diff --git a/.eslintignore b/.eslintignore index 53117f7..da8b87d 100644 --- a/.eslintignore +++ b/.eslintignore @@ -1,3 +1,4 @@ node_modules/ public/ .esm-cache +*hterm* diff --git a/gulpfile.js b/gulpfile.js index dfc74c6..fb491dc 100644 --- a/gulpfile.js +++ b/gulpfile.js @@ -5,9 +5,9 @@ const babel = require('gulp-babel'); const shell = require('gulp-shell'); const del = require('del'); -gulp.task('compress', ['hterm'], () => +gulp.task('compress', [], () => gulp - .src(['./libapps/hterm_all.js', './src/wetty.js']) + .src(['./src/hterm_all.js', './src/wetty.js']) .pipe(concat('wetty.js')) .pipe(babel()) .pipe( @@ -28,7 +28,7 @@ gulp.task( shell.task( [ 'git clone https://chromium.googlesource.com/apps/libapps', - 'LIBDOT_SEARCH_PATH=$(pwd)/libapps ./libapps/libdot/bin/concat.sh -i ./libapps/hterm/concat/hterm_all.concat -o ./libapps/hterm_all.js', + 'LIBDOT_SEARCH_PATH=$(pwd)/libapps ./libapps/libdot/bin/concat.sh -i ./libapps/hterm/concat/hterm_all.concat -o ./src/hterm_all.js', ], { verbose: true, @@ -36,4 +36,5 @@ gulp.task( ), ); -gulp.task('default', ['compress'], () => del(['./libapps'])); +gulp.task('default', ['compress']); +gulp.task('upgrade', ['hterm', 'compress'], () => del(['./libapps'])); diff --git a/public/wetty/index.html b/public/wetty/index.html index 3978fb6..1f468f9 100644 --- a/public/wetty/index.html +++ b/public/wetty/index.html @@ -35,7 +35,7 @@
-
+
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t,r=0,o=lib.wc.combining.length-1;if(elib.wc.combining[o][1])return!1;for(;o>=r;)if(t=Math.floor((r+o)/2),e>lib.wc.combining[t][1])r=t+1;else{if(!(elib.wc.ambiguous[o][1])return!1;for(;o>=r;)if(t=Math.floor((r+o)/2),e>lib.wc.ambiguous[t][1])r=t+1;else{if(!(e=127&&e<160?lib.wc.controlWidth:e<127?1:lib.wc.isSpace(e)?0:1+(e>=4352&&(e<=4447||9001==e||9002==e||e>=11904&&e<=42191&&12351!=e||e>=44032&&e<=55203||e>=63744&&e<=64255||e>=65040&&e<=65049||e>=65072&&e<=65135||e>=65280&&e<=65376||e>=65504&&e<=65510||e>=131072&&e<=196605||e>=196608&&e<=262141))},lib.wc.charWidthRegardAmbiguous=function(e){return lib.wc.isCjkAmbiguous(e)?lib.wc.cjkAmbiguousWidth:lib.wc.charWidthDisregardAmbiguous(e)},lib.wc.strWidth=function(e){for(var t,r=0,o=0;ot);o++);if(void 0!=r){for(i=o,s=0;ir&&i--,e.substring(o,i)}return e.substr(o)},lib.wc.substring=function(e,t,r){return 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hterm.Size(this.width,this.height)},hterm.Size.prototype.setTo=function(e){this.width=e.width,this.height=e.height},hterm.Size.prototype.equals=function(e){return this.width==e.width&&this.height==e.height},hterm.Size.prototype.toString=function(){return"[hterm.Size: "+this.width+", "+this.height+"]"},hterm.RowCol=function(e,t,r){this.row=e,this.column=t,this.overflow=!!r},hterm.RowCol.prototype.move=function(e,t,r){this.row=e,this.column=t,this.overflow=!!r},hterm.RowCol.prototype.clone=function(){return new hterm.RowCol(this.row,this.column,this.overflow)},hterm.RowCol.prototype.setTo=function(e){this.row=e.row,this.column=e.column,this.overflow=e.overflow},hterm.RowCol.prototype.equals=function(e){return this.row==e.row&&this.column==e.column&&this.overflow==e.overflow},hterm.RowCol.prototype.toString=function(){return"[hterm.RowCol: "+this.row+", "+this.column+", 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MessageChannel,this.messageChannel_.port1.onmessage=this.onMessage_.bind(this),this.messageChannel_.port1.start(),this.iframe_.contentWindow.postMessage({name:"ipc-init",argv:[{messagePort:this.messageChannel_.port2}]},[this.messageChannel_.port2],this.url)},hterm.Frame.prototype.onLoad=function(){},hterm.Frame.prototype.sendTerminalInfo_=function(){lib.f.getAcceptLanguages(function(e){this.postMessage("terminal-info",[{acceptLanguages:e,foregroundColor:this.terminal_.getForegroundColor(),backgroundColor:this.terminal_.getBackgroundColor(),cursorColor:this.terminal_.getCursorColor(),fontSize:this.terminal_.getFontSize(),fontFamily:this.terminal_.getFontFamily(),baseURL:lib.f.getURL("/")}])}.bind(this))},hterm.Frame.prototype.onCloseClicked_=function(){this.close()},hterm.Frame.prototype.close=function(){this.container_&&this.container_.parentNode&&(this.container_.parentNode.removeChild(this.container_),this.onClose())},hterm.Frame.prototype.onClose=function(){},hterm.Frame.prototype.postMessage=function(e,t){if(!this.messageChannel_)throw new Error("Message channel is not set up.");this.messageChannel_.port1.postMessage({name:e,argv:t})},hterm.Frame.prototype.show=function(){function e(e,r){return e in t.options?t.options[e]:r}var t=this,t=this;if(this.container_&&this.container_.parentNode)console.error("Frame already visible");else{var r=hterm.getClientSize(this.div_),o=e("width",640),i=e("height",480),s=(r.width,r.height,this.terminal_.document_),n=this.container_=s.createElement("div");n.style.cssText="position: absolute;display: -webkit-flex;-webkit-flex-direction: column;top: 10%;left: 4%;width: 90%;height: 80%;box-shadow: 0 0 2px "+this.terminal_.getForegroundColor()+";border: 2px "+this.terminal_.getForegroundColor()+" solid;";var a=s.createElement("div");a.style.cssText="display: -webkit-flex;-webkit-justify-content: flex-end;height: 16px;background-color: "+this.terminal_.getForegroundColor()+";color: "+this.terminal_.getBackgroundColor()+";font-size: 16px;font-family: 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hterm.Keyboard.KeyMap(this),this.altGrMode="none",this.shiftInsertPaste=!0,this.homeKeysScroll=!1,this.pageKeysScroll=!1,this.ctrlPlusMinusZeroZoom=!0,this.ctrlCCopy=!1,this.ctrlVPaste=!1,this.applicationKeypad=!1,this.applicationCursor=!1,this.backspaceSendsBackspace=!1,this.characterEncoding="utf-8",this.metaSendsEscape=!0,this.passMetaV=!0,this.altSendsWhat="escape",this.altIsMeta=!1,this.altBackspaceIsMetaBackspace=!1,this.altKeyPressed=0,this.mediaKeysAreFKeys=!1,this.previousAltSendsWhat_=null},hterm.Keyboard.KeyActions={CANCEL:new String("CANCEL"),DEFAULT:new String("DEFAULT"),PASS:new String("PASS"),STRIP:new String("STRIP")},hterm.Keyboard.prototype.encode=function(e){return"utf-8"==this.characterEncoding?this.terminal.vt.encodeUTF8(e):e},hterm.Keyboard.prototype.installKeyboard=function(e){if(e!=this.keyboardElement_){e&&this.keyboardElement_&&this.installKeyboard(null);for(var 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this.keyboard.shiftInsertPaste&&e.shiftKey?hterm.Keyboard.KeyActions.PASS:"[2~"},hterm.Keyboard.KeyMap.prototype.onKeyHome_=function(e){return!this.keyboard.homeKeysScroll^e.shiftKey?e.altey||e.ctrlKey||e.shiftKey||!this.keyboard.applicationCursor?"":"OH":(this.keyboard.terminal.scrollHome(),hterm.Keyboard.KeyActions.CANCEL)},hterm.Keyboard.KeyMap.prototype.onKeyEnd_=function(e){return!this.keyboard.homeKeysScroll^e.shiftKey?e.altKey||e.ctrlKey||e.shiftKey||!this.keyboard.applicationCursor?"":"OF":(this.keyboard.terminal.scrollEnd(),hterm.Keyboard.KeyActions.CANCEL)},hterm.Keyboard.KeyMap.prototype.onKeyPageUp_=function(e){return!this.keyboard.pageKeysScroll^e.shiftKey?"[5~":(this.keyboard.terminal.scrollPageUp(),hterm.Keyboard.KeyActions.CANCEL)},hterm.Keyboard.KeyMap.prototype.onKeyDel_=function(e){return this.keyboard.altBackspaceIsMetaBackspace&&this.keyboard.altKeyPressed&&!e.altKey?"":"[3~"},hterm.Keyboard.KeyMap.prototype.onKeyPageDown_=function(e){return!this.keyboard.pageKeysScroll^e.shiftKey?"[6~":(this.keyboard.terminal.scrollPageDown(),hterm.Keyboard.KeyActions.CANCEL)},hterm.Keyboard.KeyMap.prototype.onClear_=function(e,t){return this.keyboard.terminal.wipeContents(),hterm.Keyboard.KeyActions.CANCEL},hterm.Keyboard.KeyMap.prototype.onCtrlNum_=function(e,t){function r(e){return String.fromCharCode(e.charCodeAt(0)-64)}if(this.keyboard.terminal.passCtrlNumber&&!e.shiftKey)return hterm.Keyboard.KeyActions.PASS;switch(t.keyCap.substr(0,1)){case"1":return"1";case"2":return r("@");case"3":return r("[");case"4":return r("\\");case"5":return r("]");case"6":return r("^");case"7":return r("_");case"8":return"";case"9":return"9"}},hterm.Keyboard.KeyMap.prototype.onAltNum_=function(e,t){return this.keyboard.terminal.passAltNumber&&!e.shiftKey?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onMetaNum_=function(e,t){return this.keyboard.terminal.passMetaNumber&&!e.shiftKey?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onCtrlC_=function(e,t){var r=this.keyboard.terminal.getDocument().getSelection();if(!r.isCollapsed){if(this.keyboard.ctrlCCopy&&!e.shiftKey)return this.keyboard.terminal.clearSelectionAfterCopy&&setTimeout(r.collapseToEnd.bind(r),50),this.keyboard.terminal.prefs_.get("enable-clipboard-notice")&&setTimeout(this.keyboard.terminal.showOverlay.bind(this.keyboard.terminal,hterm.notifyCopyMessage,500),200),hterm.Keyboard.KeyActions.PASS;if(!this.keyboard.ctrlCCopy&&e.shiftKey)return this.keyboard.terminal.clearSelectionAfterCopy&&setTimeout(r.collapseToEnd.bind(r),50),this.keyboard.terminal.copySelectionToClipboard(),hterm.Keyboard.KeyActions.CANCEL}return""},hterm.Keyboard.KeyMap.prototype.onCtrlN_=function(e,t){return e.shiftKey?(window.open(document.location.href,"","chrome=no,close=yes,resize=yes,scrollbars=yes,minimizable=yes,width="+window.innerWidth+",height="+window.innerHeight),hterm.Keyboard.KeyActions.CANCEL):""},hterm.Keyboard.KeyMap.prototype.onCtrlV_=function(e,t){return!e.shiftKey&&this.keyboard.ctrlVPaste||e.shiftKey&&!this.keyboard.ctrlVPaste?hterm.Keyboard.KeyActions.PASS:""},hterm.Keyboard.KeyMap.prototype.onMetaN_=function(e,t){return e.shiftKey?(window.open(document.location.href,"","chrome=no,close=yes,resize=yes,scrollbars=yes,minimizable=yes,width="+window.outerWidth+",height="+window.outerHeight),hterm.Keyboard.KeyActions.CANCEL):hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onMetaC_=function(e,t){var r=this.keyboard.terminal.getDocument();return e.shiftKey||r.getSelection().isCollapsed?t.keyCap.substr(e.shiftKey?1:0,1):(this.keyboard.terminal.clearSelectionAfterCopy&&setTimeout(function(){r.getSelection().collapseToEnd()},50),hterm.Keyboard.KeyActions.PASS)},hterm.Keyboard.KeyMap.prototype.onMetaV_=function(e,t){return e.shiftKey?hterm.Keyboard.KeyActions.PASS:this.keyboard.passMetaV?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onPlusMinusZero_=function(e,t){if(!(this.keyboard.ctrlPlusMinusZeroZoom^e.shiftKey))return"-_"==t.keyCap?"":hterm.Keyboard.KeyActions.CANCEL;if(1!=this.keyboard.terminal.getZoomFactor())return hterm.Keyboard.KeyActions.PASS;var r=t.keyCap.substr(0,1);if("0"==r)this.keyboard.terminal.setFontSize(0);else{var o=this.keyboard.terminal.getFontSize();"-"==r?o-=1:o+=1,this.keyboard.terminal.setFontSize(o)}return hterm.Keyboard.KeyActions.CANCEL},hterm.Options=function(e){this.wraparound=!e||e.wraparound,this.reverseWraparound=!!e&&e.reverseWraparound,this.originMode=!!e&&e.originMode,this.autoCarriageReturn=!!e&&e.autoCarriageReturn,this.cursorVisible=!!e&&e.cursorVisible,this.cursorBlink=!!e&&e.cursorBlink,this.insertMode=!!e&&e.insertMode,this.reverseVideo=!!e&&e.reverseVideo,this.bracketedPaste=!!e&&e.bracketedPaste},lib.rtdep("lib.f","lib.Storage"),hterm.PreferenceManager=function(e){lib.PreferenceManager.call(this,hterm.defaultStorage,"/hterm/profiles/"+e);var t=hterm.PreferenceManager.defaultPreferences;Object.keys(t).forEach(function(e){this.definePreference(e,t[e])}.bind(this))},hterm.PreferenceManager.defaultPreferences={"alt-gr-mode":null,"alt-backspace-is-meta-backspace":!1,"alt-is-meta":!1,"alt-sends-what":"escape","audible-bell-sound":"lib-resource:hterm/audio/bell","desktop-notification-bell":!1,"background-color":"rgb(16, 16, 16)","background-image":"","background-size":"","background-position":"","backspace-sends-backspace":!1,"character-map-overrides":null,"close-on-exit":!0,"cursor-blink":!1,"cursor-blink-cycle":[1e3,500],"cursor-color":"rgba(255, 0, 0, 0.5)","color-palette-overrides":null,"copy-on-select":!0,"use-default-window-copy":!1,"clear-selection-after-copy":!0,"ctrl-plus-minus-zero-zoom":!0,"ctrl-c-copy":!1,"ctrl-v-paste":!1,"east-asian-ambiguous-as-two-column":!1,"enable-8-bit-control":!1,"enable-bold":null,"enable-bold-as-bright":!0,"enable-clipboard-notice":!0,"enable-clipboard-write":!0,"enable-dec12":!1,environment:{TERM:"xterm-256color"},"font-family":'"DejaVu Sans Mono", "Everson Mono", FreeMono, "Menlo", "Terminal", monospace',"font-size":15,"font-smoothing":"antialiased","foreground-color":"rgb(240, 240, 240)","home-keys-scroll":!1,"max-string-sequence":1e5,"media-keys-are-fkeys":!1,"meta-sends-escape":!0,"mouse-paste-button":null,"page-keys-scroll":!1,"pass-alt-number":null,"pass-ctrl-number":null,"pass-meta-number":null,"pass-meta-v":!0,"receive-encoding":"utf-8","scroll-on-keystroke":!0,"scroll-on-output":!1,"scrollbar-visible":!0,"scroll-wheel-move-multiplier":1,"send-encoding":"utf-8","shift-insert-paste":!0,"user-css":""},hterm.PreferenceManager.prototype={__proto__:lib.PreferenceManager.prototype},hterm.PubSub=function(){this.observers_={}},hterm.PubSub.addBehavior=function(e){var t=new hterm.PubSub;for(var r in hterm.PubSub.prototype)e[r]=hterm.PubSub.prototype[r].bind(t)},hterm.PubSub.prototype.subscribe=function(e,t){e in this.observers_||(this.observers_[e]=[]),this.observers_[e].push(t)},hterm.PubSub.prototype.unsubscribe=function(e,t){var r=this.observers_[e];if(!r)throw"Invalid subject: "+e;var o=r.indexOf(t);if(o<0)throw"Not subscribed: "+e;r.splice(o,1)},hterm.PubSub.prototype.publish=function(e,t,r){function o(e){e=e&&this.setCursorPosition(this.cursorPosition.row,e-1)},hterm.Screen.prototype.shiftRow=function(){return this.shiftRows(1)[0]},hterm.Screen.prototype.shiftRows=function(e){return this.rowsArray.splice(0,e)},hterm.Screen.prototype.unshiftRow=function(e){this.rowsArray.splice(0,0,e)},hterm.Screen.prototype.unshiftRows=function(e){this.rowsArray.unshift.apply(this.rowsArray,e)},hterm.Screen.prototype.popRow=function(){return this.popRows(1)[0]},hterm.Screen.prototype.popRows=function(e){return this.rowsArray.splice(this.rowsArray.length-e,e)},hterm.Screen.prototype.pushRow=function(e){this.rowsArray.push(e)},hterm.Screen.prototype.pushRows=function(e){e.push.apply(this.rowsArray,e)},hterm.Screen.prototype.insertRow=function(e,t){this.rowsArray.splice(e,0,t)},hterm.Screen.prototype.insertRows=function(e,t){for(var r=0;r=this.rowsArray.length?(console.error("Row out of bounds: "+e),e=this.rowsArray.length-1):e<0&&(console.error("Row out of bounds: "+e),e=0),t>=this.columnCount_?(console.error("Column out of bounds: "+t),t=this.columnCount_-1):t<0&&(console.error("Column out of bounds: "+t),t=0),this.cursorPosition.overflow=!1;var r=this.rowsArray[e],o=r.firstChild;o||(o=r.ownerDocument.createTextNode(""),r.appendChild(o));var i=0;for(r==this.cursorRowNode_?t>=this.cursorPosition.column-this.cursorOffset_&&(o=this.cursorNode_,i=this.cursorPosition.column-this.cursorOffset_):this.cursorRowNode_=r,this.cursorPosition.move(e,t);o;){var s=t-i,n=hterm.TextAttributes.nodeWidth(o);if(!o.nextSibling||n>s)return this.cursorNode_=o,void(this.cursorOffset_=s);i+=n,o=o.nextSibling}}else console.warn("Attempt to set cursor position on empty screen.")},hterm.Screen.prototype.syncSelectionCaret=function(e){try{e.collapse(this.cursorNode_,this.cursorOffset_)}catch(e){}},hterm.Screen.prototype.splitNode_=function(e,t){var r=e.cloneNode(!1),o=e.textContent;e.textContent=hterm.TextAttributes.nodeSubstr(e,0,t),r.textContent=lib.wc.substr(o,t),r.textContent&&e.parentNode.insertBefore(r,e.nextSibling),e.textContent||e.parentNode.removeChild(e)},hterm.Screen.prototype.maybeClipCurrentRow=function(){var e=hterm.TextAttributes.nodeWidth(this.cursorRowNode_);if(e<=this.columnCount_)this.cursorPosition.column>=this.columnCount_&&(this.setCursorPosition(this.cursorPosition.row,this.columnCount_-1),this.cursorPosition.overflow=!0);else{var t=this.cursorPosition.column;this.setCursorPosition(this.cursorPosition.row,this.columnCount_-1),e=hterm.TextAttributes.nodeWidth(this.cursorNode_),this.cursorOffset_hterm.TextAttributes.nodeWidth(e);){if(!e.hasAttribute("line-overflow")||!e.nextSibling)return-1;t-=hterm.TextAttributes.nodeWidth(e),e=e.nextSibling}return this.getNodeAndOffsetWithinRow_(e,t)},hterm.Screen.prototype.getNodeAndOffsetWithinRow_=function(e,t){for(var r=0;r\"'\\^!@#$%&*,;:`][^\\s\\[\\](){}<>\"'\\^]*$"),l=n.search(a);if(!(-1==l||l>o)){var h=lib.wc.substring(s,o,lib.wc.strWidth(s)),c=new RegExp("^[^\\s\\[\\](){}<>\"'\\^]*[^\\s\\[\\](){}<>\"'\\^!@#$%&*,;:~.`]"),u=h.match(c);if(u){var g=o+lib.wc.strWidth(u[0]);-1==g||gs.rowIndex)t();else if(o.focusNode==o.anchorNode)o.anchorOffset=this.lastRowCount_},hterm.ScrollPort.prototype.drawTopFold_=function(e){if(!this.selection.startRow||this.selection.startRow.rowIndex>=e)this.rowNodes_.firstChild!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.rowNodes_.firstChild);else{if(!this.selection.isMultiline||this.selection.endRow.rowIndex>=e)this.selection.startRow.nextSibling!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.selection.startRow.nextSibling);else for(this.selection.endRow.nextSibling!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.selection.endRow.nextSibling);this.selection.startRow.nextSibling!=this.selection.endRow;)this.rowNodes_.removeChild(this.selection.startRow.nextSibling);for(;this.rowNodes_.firstChild!=this.selection.startRow;)this.rowNodes_.removeChild(this.rowNodes_.firstChild)}},hterm.ScrollPort.prototype.drawBottomFold_=function(e){if(!this.selection.endRow||this.selection.endRow.rowIndex<=e)this.rowNodes_.lastChild!=this.bottomFold_&&this.rowNodes_.appendChild(this.bottomFold_);else{if(!this.selection.isMultiline||this.selection.startRow.rowIndex<=e)this.bottomFold_.nextSibling!=this.selection.endRow&&this.rowNodes_.insertBefore(this.bottomFold_,this.selection.endRow);else for(this.bottomFold_.nextSibling!=this.selection.startRow&&this.rowNodes_.insertBefore(this.bottomFold_,this.selection.startRow);this.selection.startRow.nextSibling!=this.selection.endRow;)this.rowNodes_.removeChild(this.selection.startRow.nextSibling);for(;this.rowNodes_.lastChild!=this.selection.endRow;)this.rowNodes_.removeChild(this.rowNodes_.lastChild)}},hterm.ScrollPort.prototype.drawVisibleRows_=function(e,t){function r(e,t){for(;e!=t;){if(!e)throw"Did not encounter target node";if(e==o.bottomFold_)throw"Encountered bottom fold before target node";var r=e;e=e.nextSibling,r.parentNode.removeChild(r)}}for(var o=this,i=this.selection.startRow,s=this.selection.endRow,n=this.bottomFold_,a=this.topFold_.nextSibling,l=Math.min(this.visibleRowCount,this.rowProvider_.getRowCount()),h=0;h=this.lastRowCount_;var t=e*this.characterSize.height+this.visibleRowTopMargin,r=this.getScrollMax_();t>r&&(t=r),this.screen_.scrollTop!=t&&(this.screen_.scrollTop=t,this.scheduleRedraw())},hterm.ScrollPort.prototype.scrollRowToBottom=function(e){this.syncScrollHeight(),this.isScrolledEnd=e+this.visibleRowCount>=this.lastRowCount_;var t=e*this.characterSize.height+this.visibleRowTopMargin+this.visibleRowBottomMargin;(t-=this.visibleRowCount*this.characterSize.height)<0&&(t=0),this.screen_.scrollTop!=t&&(this.screen_.scrollTop=t)},hterm.ScrollPort.prototype.getTopRowIndex=function(){return lib.f.smartFloorDivide(this.screen_.scrollTop,this.characterSize.height)},hterm.ScrollPort.prototype.getBottomRowIndex=function(e){return e+this.visibleRowCount-1},hterm.ScrollPort.prototype.onScroll_=function(e){var t=this.getScreenSize();t.width==this.lastScreenWidth_&&t.height==this.lastScreenHeight_?(this.redraw_(),this.publish("scroll",{scrollPort:this})):this.resize()},hterm.ScrollPort.prototype.onScrollWheel=function(e){},hterm.ScrollPort.prototype.onScrollWheel_=function(e){if(this.onScrollWheel(e),!e.defaultPrevented){var t="DOMMouseScroll"==e.type?-1*e.detail:e.wheelDeltaY;t*=this.scrollWheelMultiplier_;var r=this.screen_.scrollTop-t;r<0&&(r=0);var o=this.getScrollMax_();r>o&&(r=o),r!=this.screen_.scrollTop&&(this.screen_.scrollTop=r,e.preventDefault())}},hterm.ScrollPort.prototype.onResize_=function(e){this.syncCharacterSize(),this.resize()},hterm.ScrollPort.prototype.onCopy=function(e){},hterm.ScrollPort.prototype.onCopy_=function(e){if(this.onCopy(e),!e.defaultPrevented&&(this.resetSelectBags_(),this.selection.sync(),this.selection.startRow&&!(this.selection.endRow.rowIndex-this.selection.startRow.rowIndex<2))){var t=this.getTopRowIndex(),r=this.getBottomRowIndex(t);if(this.selection.startRow.rowIndexr){var i;i=this.selection.startRow.rowIndex>r?this.selection.startRow.rowIndex+1:this.bottomFold_.previousSibling.rowIndex+1,this.bottomSelectBag_.textContent=this.rowProvider_.getRowsText(i,this.selection.endRow.rowIndex),this.rowNodes_.insertBefore(this.bottomSelectBag_,this.selection.endRow)}}},hterm.ScrollPort.prototype.onBodyKeyDown_=function(e){if(this.ctrlVPaste){var t=String.fromCharCode(e.which).toLowerCase();(e.ctrlKey||e.metaKey)&&"v"==t&&this.pasteTarget_.focus()}},hterm.ScrollPort.prototype.onPaste_=function(e){this.pasteTarget_.focus();var t=this;setTimeout(function(){t.publish("paste",{text:t.pasteTarget_.value}),t.pasteTarget_.value="",t.screen_.focus()},0)},hterm.ScrollPort.prototype.handlePasteTargetTextInput_=function(e){e.stopPropagation()},hterm.ScrollPort.prototype.setScrollbarVisible=function(e){this.screen_.style.overflowY=e?"scroll":"hidden"},hterm.ScrollPort.prototype.setScrollWheelMoveMultipler=function(e){this.scrollWheelMultiplier_=e},lib.rtdep("lib.colors","lib.PreferenceManager","lib.resource","lib.wc","lib.f","hterm.Keyboard","hterm.Options","hterm.PreferenceManager","hterm.Screen","hterm.ScrollPort","hterm.Size","hterm.TextAttributes","hterm.VT"),hterm.Terminal=function(e){this.profileId_=null,this.primaryScreen_=new hterm.Screen,this.alternateScreen_=new hterm.Screen,this.screen_=this.primaryScreen_,this.screenSize=new hterm.Size(0,0),this.scrollPort_=new hterm.ScrollPort(this),this.scrollPort_.subscribe("resize",this.onResize_.bind(this)),this.scrollPort_.subscribe("scroll",this.onScroll_.bind(this)),this.scrollPort_.subscribe("paste",this.onPaste_.bind(this)),this.scrollPort_.onCopy=this.onCopy_.bind(this),this.div_=null,this.document_=window.document,this.scrollbackRows_=[],this.tabStops_=[],this.defaultTabStops=!0,this.vtScrollTop_=null,this.vtScrollBottom_=null,this.cursorNode_=null,this.cursorShape_=hterm.Terminal.cursorShape.BLOCK,this.cursorColor_=null,this.cursorBlinkCycle_=[100,100],this.myOnCursorBlink_=this.onCursorBlink_.bind(this),this.backgroundColor_=null,this.foregroundColor_=null,this.scrollOnOutput_=null,this.scrollOnKeystroke_=null,this.reportMouseEvents_=!1,this.bellAudio_=this.document_.createElement("audio"),this.bellAudio_.setAttribute("preload","auto"),this.bellNotificationList_=[],this.desktopNotificationBell_=!1,this.savedOptions_={},this.options_=new hterm.Options,this.timeouts_={},this.vt=new hterm.VT(this),this.keyboard=new hterm.Keyboard(this),this.io=new hterm.Terminal.IO(this),this.enableMouseDragScroll=!0,this.copyOnSelect=null,this.mousePasteButton=null,this.useDefaultWindowCopy=!1,this.clearSelectionAfterCopy=!0,this.realizeSize_(80,24),this.setDefaultTabStops(),this.setProfile(e||"default",function(){this.onTerminalReady()}.bind(this))},hterm.Terminal.cursorShape={BLOCK:"BLOCK",BEAM:"BEAM",UNDERLINE:"UNDERLINE"},hterm.Terminal.prototype.onTerminalReady=function(){},hterm.Terminal.prototype.tabWidth=8,hterm.Terminal.prototype.setProfile=function(e,t){this.profileId_=e.replace(/\//g,"");var r=this;this.prefs_&&this.prefs_.deactivate(),this.prefs_=new hterm.PreferenceManager(this.profileId_),this.prefs_.addObservers(null,{"alt-gr-mode":function(e){e=null==e?"en-us"==navigator.language.toLowerCase()?"none":"right-alt":"string"==typeof e?e.toLowerCase():"none",/^(none|ctrl-alt|left-alt|right-alt)$/.test(e)||(e="none"),r.keyboard.altGrMode=e},"alt-backspace-is-meta-backspace":function(e){r.keyboard.altBackspaceIsMetaBackspace=e},"alt-is-meta":function(e){r.keyboard.altIsMeta=e},"alt-sends-what":function(e){/^(escape|8-bit|browser-key)$/.test(e)||(e="escape"),r.keyboard.altSendsWhat=e},"audible-bell-sound":function(e){var t=e.match(/^lib-resource:(\S+)/);t?r.bellAudio_.setAttribute("src",lib.resource.getDataUrl(t[1])):r.bellAudio_.setAttribute("src",e)},"desktop-notification-bell":function(e){e&&Notification?(r.desktopNotificationBell_="granted"===Notification.permission,r.desktopNotificationBell_||console.warn("desktop-notification-bell is true but we do not have permission to display notifications.")):r.desktopNotificationBell_=!1},"background-color":function(e){r.setBackgroundColor(e)},"background-image":function(e){r.scrollPort_.setBackgroundImage(e)},"background-size":function(e){r.scrollPort_.setBackgroundSize(e)},"background-position":function(e){r.scrollPort_.setBackgroundPosition(e)},"backspace-sends-backspace":function(e){r.keyboard.backspaceSendsBackspace=e},"character-map-overrides":function(e){if(null==e||e instanceof Object)for(var t in e){var r=hterm.VT.CharacterMap.maps[t].glmap;for(var o in e[t])r[o]=e[t][o];hterm.VT.CharacterMap.maps[t].reset(r)}else console.warn("Preference character-map-modifications is not an object: "+e)},"cursor-blink":function(e){r.setCursorBlink(!!e)},"cursor-blink-cycle":function(e){e instanceof Array&&"number"==typeof e[0]&&"number"==typeof e[1]?r.cursorBlinkCycle_=e:r.cursorBlinkCycle_="number"==typeof e?[e,e]:[100,100]},"cursor-color":function(e){r.setCursorColor(e)},"color-palette-overrides":function(e){if(null==e||e instanceof Object||e instanceof Array){if(lib.colors.colorPalette=lib.colors.stockColorPalette.concat(),e)for(var t in e){var o=parseInt(t);if(isNaN(o)||o<0||o>255)console.log("Invalid value in palette: "+t+": "+e[t]);else if(e[o]){var i=lib.colors.normalizeCSS(e[o]);i&&(lib.colors.colorPalette[o]=i)}}r.primaryScreen_.textAttributes.resetColorPalette(),r.alternateScreen_.textAttributes.resetColorPalette()}else console.warn("Preference color-palette-overrides is not an array or object: "+e)},"copy-on-select":function(e){r.copyOnSelect=!!e},"use-default-window-copy":function(e){r.useDefaultWindowCopy=!!e},"clear-selection-after-copy":function(e){r.clearSelectionAfterCopy=!!e},"ctrl-plus-minus-zero-zoom":function(e){r.keyboard.ctrlPlusMinusZeroZoom=e},"ctrl-c-copy":function(e){r.keyboard.ctrlCCopy=e},"ctrl-v-paste":function(e){r.keyboard.ctrlVPaste=e,r.scrollPort_.setCtrlVPaste(e)},"east-asian-ambiguous-as-two-column":function(e){lib.wc.regardCjkAmbiguous=e},"enable-8-bit-control":function(e){r.vt.enable8BitControl=!!e},"enable-bold":function(e){r.syncBoldSafeState()},"enable-bold-as-bright":function(e){r.primaryScreen_.textAttributes.enableBoldAsBright=!!e,r.alternateScreen_.textAttributes.enableBoldAsBright=!!e},"enable-clipboard-write":function(e){r.vt.enableClipboardWrite=!!e},"enable-dec12":function(e){r.vt.enableDec12=!!e},"font-family":function(e){r.syncFontFamily()},"font-size":function(e){r.setFontSize(e)},"font-smoothing":function(e){r.syncFontFamily()},"foreground-color":function(e){r.setForegroundColor(e)},"home-keys-scroll":function(e){r.keyboard.homeKeysScroll=e},"max-string-sequence":function(e){r.vt.maxStringSequence=e},"media-keys-are-fkeys":function(e){r.keyboard.mediaKeysAreFKeys=e},"meta-sends-escape":function(e){r.keyboard.metaSendsEscape=e},"mouse-paste-button":function(e){r.syncMousePasteButton()},"page-keys-scroll":function(e){r.keyboard.pageKeysScroll=e},"pass-alt-number":function(e){null==e&&(e=!window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passAltNumber=e},"pass-ctrl-number":function(e){null==e&&(e=!window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passCtrlNumber=e},"pass-meta-number":function(e){null==e&&(e=window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passMetaNumber=e},"pass-meta-v":function(e){r.keyboard.passMetaV=e},"receive-encoding":function(e){/^(utf-8|raw)$/.test(e)||(console.warn('Invalid value for "receive-encoding": '+e),e="utf-8"),r.vt.characterEncoding=e},"scroll-on-keystroke":function(e){r.scrollOnKeystroke_=e},"scroll-on-output":function(e){r.scrollOnOutput_=e},"scrollbar-visible":function(e){r.setScrollbarVisible(e)},"scroll-wheel-move-multiplier":function(e){r.setScrollWheelMoveMultipler(e)},"send-encoding":function(e){/^(utf-8|raw)$/.test(e)||(console.warn('Invalid value for "send-encoding": '+e),e="utf-8"),r.keyboard.characterEncoding=e},"shift-insert-paste":function(e){r.keyboard.shiftInsertPaste=e},"user-css":function(e){r.scrollPort_.setUserCss(e)}}),this.prefs_.readStorage(function(){this.prefs_.notifyAll(),t&&t()}.bind(this))},hterm.Terminal.prototype.getPrefs=function(){return this.prefs_},hterm.Terminal.prototype.setBracketedPaste=function(e){this.options_.bracketedPaste=e},hterm.Terminal.prototype.setCursorColor=function(e){this.cursorColor_=e,this.cursorNode_.style.backgroundColor=e,this.cursorNode_.style.borderColor=e},hterm.Terminal.prototype.getCursorColor=function(){return this.cursorColor_},hterm.Terminal.prototype.setSelectionEnabled=function(e){this.enableMouseDragScroll=e},hterm.Terminal.prototype.setBackgroundColor=function(e){this.backgroundColor_=lib.colors.normalizeCSS(e),this.primaryScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.alternateScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.scrollPort_.setBackgroundColor(e)},hterm.Terminal.prototype.getBackgroundColor=function(){return this.backgroundColor_},hterm.Terminal.prototype.setForegroundColor=function(e){this.foregroundColor_=lib.colors.normalizeCSS(e),this.primaryScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.alternateScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.scrollPort_.setForegroundColor(e)},hterm.Terminal.prototype.getForegroundColor=function(){return this.foregroundColor_},hterm.Terminal.prototype.runCommandClass=function(e,t){var r=this.prefs_.get("environment");"object"==(void 0===r?"undefined":_typeof(r))&&null!=r||(r={});var o=this;this.command=new e({argString:t||"",io:this.io.push(),environment:r,onExit:function(e){o.io.pop(),o.uninstallKeyboard(),o.prefs_.get("close-on-exit")&&window.close()}}),this.installKeyboard(),this.command.run()},hterm.Terminal.prototype.isPrimaryScreen=function(){return this.screen_==this.primaryScreen_},hterm.Terminal.prototype.installKeyboard=function(){this.keyboard.installKeyboard(this.scrollPort_.getDocument().body)},hterm.Terminal.prototype.uninstallKeyboard=function(){this.keyboard.installKeyboard(null)},hterm.Terminal.prototype.setFontSize=function(e){0===e&&(e=this.prefs_.get("font-size")),this.scrollPort_.setFontSize(e),this.wcCssRule_&&(this.wcCssRule_.style.width=2*this.scrollPort_.characterSize.width+"px")},hterm.Terminal.prototype.getFontSize=function(){return this.scrollPort_.getFontSize()},hterm.Terminal.prototype.getFontFamily=function(){return this.scrollPort_.getFontFamily()},hterm.Terminal.prototype.syncFontFamily=function(){this.scrollPort_.setFontFamily(this.prefs_.get("font-family"),this.prefs_.get("font-smoothing")),this.syncBoldSafeState()},hterm.Terminal.prototype.syncMousePasteButton=function(){var e=this.prefs_.get("mouse-paste-button");if("number"!=typeof e){var t=navigator.userAgent.match(/\(X11;\s+(\S+)/);t&&"CrOS"!=t[2]?this.mousePasteButton=3:this.mousePasteButton=2}else this.mousePasteButton=e},hterm.Terminal.prototype.syncBoldSafeState=function(){var e=this.prefs_.get("enable-bold");if(null!==e)return this.primaryScreen_.textAttributes.enableBold=e,void(this.alternateScreen_.textAttributes.enableBold=e);var t=this.scrollPort_.measureCharacterSize(),r=this.scrollPort_.measureCharacterSize("bold"),o=t.equals(r);o||console.warn("Bold characters disabled: Size of bold weight differs from normal. Font family is: "+this.scrollPort_.getFontFamily()),this.primaryScreen_.textAttributes.enableBold=o,this.alternateScreen_.textAttributes.enableBold=o},hterm.Terminal.prototype.saveCursor=function(){return this.screen_.cursorPosition.clone()},hterm.Terminal.prototype.getTextAttributes=function(){return this.screen_.textAttributes},hterm.Terminal.prototype.setTextAttributes=function(e){this.screen_.textAttributes=e},hterm.Terminal.prototype.getZoomFactor=function(){return this.scrollPort_.characterSize.zoomFactor},hterm.Terminal.prototype.setWindowTitle=function(e){window.document.title=e},hterm.Terminal.prototype.restoreCursor=function(e){var t=lib.f.clamp(e.row,0,this.screenSize.height-1),r=lib.f.clamp(e.column,0,this.screenSize.width-1);this.screen_.setCursorPosition(t,r),(e.column>r||e.column==r&&e.overflow)&&(this.screen_.cursorPosition.overflow=!0)},hterm.Terminal.prototype.clearCursorOverflow=function(){this.screen_.cursorPosition.overflow=!1},hterm.Terminal.prototype.setCursorShape=function(e){this.cursorShape_=e,this.restyleCursor_()},hterm.Terminal.prototype.getCursorShape=function(){return this.cursorShape_},hterm.Terminal.prototype.setWidth=function(e){null!=e?(this.div_.style.width=Math.ceil(this.scrollPort_.characterSize.width*e+this.scrollPort_.currentScrollbarWidthPx)+"px",this.realizeSize_(e,this.screenSize.height),this.scheduleSyncCursorPosition_()):this.div_.style.width="100%"},hterm.Terminal.prototype.setHeight=function(e){null!=e?(this.div_.style.height=this.scrollPort_.characterSize.height*e+"px",this.realizeSize_(this.screenSize.width,e),this.scheduleSyncCursorPosition_()):this.div_.style.height="100%"},hterm.Terminal.prototype.realizeSize_=function(e,t){e!=this.screenSize.width&&this.realizeWidth_(e),t!=this.screenSize.height&&this.realizeHeight_(t),this.io.onTerminalResize_(e,t)},hterm.Terminal.prototype.realizeWidth_=function(e){if(e<=0)throw new Error("Attempt to realize bad width: "+e);var t=e-this.screen_.getWidth();if(this.screenSize.width=e,this.screen_.setColumnCount(e),t>0)this.defaultTabStops&&this.setDefaultTabStops(this.screenSize.width-t);else for(var r=this.tabStops_.length-1;r>=0&&!(this.tabStops_[r]0){if(t<=this.scrollbackRows_.length){var s=Math.min(t,this.scrollbackRows_.length),n=this.scrollbackRows_.splice(this.scrollbackRows_.length-s,s);this.screen_.unshiftRows(n),t-=s,r.row+=s}t&&this.appendRows_(t)}this.setVTScrollRegion(null,null),this.restoreCursor(r)},hterm.Terminal.prototype.scrollHome=function(){this.scrollPort_.scrollRowToTop(0)},hterm.Terminal.prototype.scrollEnd=function(){this.scrollPort_.scrollRowToBottom(this.getRowCount())},hterm.Terminal.prototype.scrollPageUp=function(){var e=this.scrollPort_.getTopRowIndex();this.scrollPort_.scrollRowToTop(e-this.screenSize.height+1)},hterm.Terminal.prototype.scrollPageDown=function(){var e=this.scrollPort_.getTopRowIndex();this.scrollPort_.scrollRowToTop(e+this.screenSize.height-1)},hterm.Terminal.prototype.wipeContents=function(){this.scrollbackRows_.length=0,this.scrollPort_.resetCache(),[this.primaryScreen_,this.alternateScreen_].forEach(function(e){var t=e.getHeight();t>0&&(this.renumberRows_(0,t),this.clearHome(e))}.bind(this)),this.syncCursorPosition_(),this.scrollPort_.invalidate()},hterm.Terminal.prototype.reset=function(){this.clearAllTabStops(),this.setDefaultTabStops(),this.clearHome(this.primaryScreen_),this.primaryScreen_.textAttributes.reset(),this.clearHome(this.alternateScreen_),this.alternateScreen_.textAttributes.reset(),this.setCursorBlink(!!this.prefs_.get("cursor-blink")),this.vt.reset(),this.softReset()},hterm.Terminal.prototype.softReset=function(){this.options_=new hterm.Options,this.options_.cursorBlink=!!this.timeouts_.cursorBlink,this.primaryScreen_.textAttributes.resetColorPalette(),this.alternateScreen_.textAttributes.resetColorPalette(),this.setVTScrollRegion(null,null),this.setCursorVisible(!0)},hterm.Terminal.prototype.forwardTabStop=function(){for(var e=this.screen_.cursorPosition.column,t=0;te)return void this.setCursorColumn(this.tabStops_[t]);var r=this.screen_.cursorPosition.overflow;this.setCursorColumn(this.screenSize.width-1),this.screen_.cursorPosition.overflow=r},hterm.Terminal.prototype.backwardTabStop=function(){for(var e=this.screen_.cursorPosition.column,t=this.tabStops_.length-1;t>=0;t--)if(this.tabStops_[t]=0;t--){if(this.tabStops_[t]==e)return;if(this.tabStops_[t]0){var n=this.screen_.shiftRows(s);Array.prototype.push.apply(this.scrollbackRows_,n),this.scrollPort_.isScrolledEnd&&this.scheduleScrollDown_()}t>=this.screen_.rowsArray.length&&(t=this.screen_.rowsArray.length-1),this.setAbsoluteCursorPosition(t,0)},hterm.Terminal.prototype.moveRows_=function(e,t,r){var o=this.screen_.removeRows(e,t);this.screen_.insertRows(r,o);var i,s;e=this.screenSize.width&&(s=!0,i=this.screenSize.width-this.screen_.cursorPosition.column),s&&!this.options_.wraparound?(o=lib.wc.substr(e,t,i-1)+lib.wc.substr(e,r-1),i=r):o=lib.wc.substr(e,t,i);for(var n=hterm.TextAttributes.splitWidecharString(o),a=0;a=0;i--)this.setAbsoluteCursorPosition(t+i,0),this.screen_.clearCursorRow()},hterm.Terminal.prototype.deleteLines=function(e){var t=this.saveCursor(),r=t.row,o=this.getVTScrollBottom(),i=o-r+1,s=o-(e=Math.min(e,i))+1;e!=i&&this.moveRows_(r,e,s);for(var n=0;nt)this.cursorNode_.style.top=-this.scrollPort_.characterSize.height+"px";else{this.options_.cursorVisible&&"none"==this.cursorNode_.style.display&&(this.cursorNode_.style.display=""),this.cursorNode_.style.top=this.scrollPort_.visibleRowTopMargin+this.scrollPort_.characterSize.height*(r-e)+"px",this.cursorNode_.style.left=this.scrollPort_.characterSize.width*this.screen_.cursorPosition.column+"px",this.cursorNode_.setAttribute("title","("+this.screen_.cursorPosition.row+", "+this.screen_.cursorPosition.column+")");var o=this.document_.getSelection();o&&o.isCollapsed&&this.screen_.syncSelectionCaret(o)}},hterm.Terminal.prototype.restyleCursor_=function(){var e=this.cursorShape_;"false"==this.cursorNode_.getAttribute("focus")&&(e=hterm.Terminal.cursorShape.BLOCK);var t=this.cursorNode_.style;switch(t.width=this.scrollPort_.characterSize.width+"px",e){case hterm.Terminal.cursorShape.BEAM:t.height=this.scrollPort_.characterSize.height+"px",t.backgroundColor="transparent",t.borderBottomStyle=null,t.borderLeftStyle="solid";break;case hterm.Terminal.cursorShape.UNDERLINE:t.height=this.scrollPort_.characterSize.baseline+"px",t.backgroundColor="transparent",t.borderBottomStyle="solid",t.borderLeftStyle=null;break;default:t.height=this.scrollPort_.characterSize.height+"px",t.backgroundColor=this.cursorColor_,t.borderBottomStyle=null,t.borderLeftStyle=null}},hterm.Terminal.prototype.scheduleSyncCursorPosition_=function(){if(!this.timeouts_.syncCursor){var e=this;this.timeouts_.syncCursor=setTimeout(function(){e.syncCursorPosition_(),delete e.timeouts_.syncCursor},0)}},hterm.Terminal.prototype.showZoomWarning_=function(e){if(!this.zoomWarningNode_){if(!e)return;this.zoomWarningNode_=this.document_.createElement("div"),this.zoomWarningNode_.style.cssText="color: black;background-color: #ff2222;font-size: large;border-radius: 8px;opacity: 0.75;padding: 0.2em 0.5em 0.2em 0.5em;top: 0.5em;right: 1.2em;position: absolute;-webkit-text-size-adjust: none;-webkit-user-select: none;-moz-text-size-adjust: none;-moz-user-select: none;"}this.zoomWarningNode_.textContent=lib.MessageManager.replaceReferences(hterm.zoomWarningMessage,[parseInt(100*this.scrollPort_.characterSize.zoomFactor)]),this.zoomWarningNode_.style.fontFamily=this.prefs_.get("font-family"),e?this.zoomWarningNode_.parentNode||this.div_.parentNode.appendChild(this.zoomWarningNode_):this.zoomWarningNode_.parentNode&&this.zoomWarningNode_.parentNode.removeChild(this.zoomWarningNode_)},hterm.Terminal.prototype.showOverlay=function(e,t){if(!this.overlayNode_){if(!this.div_)return;this.overlayNode_=this.document_.createElement("div"),this.overlayNode_.style.cssText="border-radius: 15px;font-size: xx-large;opacity: 0.75;padding: 0.2em 0.5em 0.2em 0.5em;position: absolute;-webkit-user-select: none;-webkit-transition: opacity 180ms ease-in;-moz-user-select: none;-moz-transition: opacity 180ms ease-in;",this.overlayNode_.addEventListener("mousedown",function(e){e.preventDefault(),e.stopPropagation()},!0)}this.overlayNode_.style.color=this.prefs_.get("background-color"),this.overlayNode_.style.backgroundColor=this.prefs_.get("foreground-color"),this.overlayNode_.style.fontFamily=this.prefs_.get("font-family"),this.overlayNode_.textContent=e,this.overlayNode_.style.opacity="0.75",this.overlayNode_.parentNode||this.div_.appendChild(this.overlayNode_);var r=hterm.getClientSize(this.div_),o=hterm.getClientSize(this.overlayNode_);this.overlayNode_.style.top=(r.height-o.height)/2+"px",this.overlayNode_.style.left=(r.width-o.width-this.scrollPort_.currentScrollbarWidthPx)/2+"px";var i=this;this.overlayTimeout_&&clearTimeout(this.overlayTimeout_),null!==t&&(this.overlayTimeout_=setTimeout(function(){i.overlayNode_.style.opacity="0",i.overlayTimeout_=setTimeout(function(){i.overlayNode_.parentNode&&i.overlayNode_.parentNode.removeChild(i.overlayNode_),i.overlayTimeout_=null,i.overlayNode_.style.opacity="0.75"},200)},t||1500))},hterm.Terminal.prototype.paste=function(){hterm.pasteFromClipboard(this.document_)},hterm.Terminal.prototype.copyStringToClipboard=function(e){this.prefs_.get("enable-clipboard-notice")&&setTimeout(this.showOverlay.bind(this,hterm.notifyCopyMessage,500),200);var t=this.document_.createElement("pre");t.textContent=e,t.style.cssText="-webkit-user-select: text;-moz-user-select: text;position: absolute;top: -99px",this.document_.body.appendChild(t);var r=this.document_.getSelection(),o=r.anchorNode,i=r.anchorOffset,s=r.focusNode,n=r.focusOffset;r.selectAllChildren(t),hterm.copySelectionToClipboard(this.document_),r.extend&&(r.collapse(o,i),r.extend(s,n)),t.parentNode.removeChild(t)},hterm.Terminal.prototype.getSelectionText=function(){var e=this.scrollPort_.selection;if(e.sync(),e.isCollapsed)return null;var t=e.startOffset,r=e.startNode;if("X-ROW"!=r.nodeName)for("#text"==r.nodeName&&"SPAN"==r.parentNode.nodeName&&(r=r.parentNode);r.previousSibling;)r=r.previousSibling,t+=hterm.TextAttributes.nodeWidth(r);var o=hterm.TextAttributes.nodeWidth(e.endNode)-e.endOffset;if("X-ROW"!=(r=e.endNode).nodeName)for("#text"==r.nodeName&&"SPAN"==r.parentNode.nodeName&&(r=r.parentNode);r.nextSibling;)r=r.nextSibling,o+=hterm.TextAttributes.nodeWidth(r);var i=this.getRowsText(e.startRow.rowIndex,e.endRow.rowIndex+1);return lib.wc.substring(i,t,lib.wc.strWidth(i)-o)},hterm.Terminal.prototype.copySelectionToClipboard=function(){var e=this.getSelectionText();null!=e&&this.copyStringToClipboard(e)},hterm.Terminal.prototype.overlaySize=function(){this.showOverlay(this.screenSize.width+"x"+this.screenSize.height)},hterm.Terminal.prototype.onVTKeystroke=function(e){this.scrollOnKeystroke_&&this.scrollPort_.scrollRowToBottom(this.getRowCount()),this.io.onVTKeystroke(this.keyboard.encode(e))},hterm.Terminal.prototype.onMouse_=function(e){e.processedByTerminalHandler_||(e.processedByTerminalHandler_=!0,e.terminalRow=parseInt((e.clientY-this.scrollPort_.visibleRowTopMargin)/this.scrollPort_.characterSize.height)+1,e.terminalColumn=parseInt(e.clientX/this.scrollPort_.characterSize.width)+1,"mousedown"==e.type&&e.terminalColumn>this.screenSize.width||(this.options_.cursorVisible&&this.vt.mouseReport==this.vt.MOUSE_REPORT_DISABLED&&(e.terminalRow-1==this.screen_.cursorPosition.row&&e.terminalColumn-1==this.screen_.cursorPosition.column?this.cursorNode_.style.display="none":"none"==this.cursorNode_.style.display&&(this.cursorNode_.style.display="")),"mousedown"==e.type&&(e.altKey||this.vt.mouseReport==this.vt.MOUSE_REPORT_DISABLED?(this.reportMouseEvents_=!1,this.setSelectionEnabled(!0)):(this.reportMouseEvents_=!0,this.document_.getSelection().collapseToEnd(),this.setSelectionEnabled(!1),e.preventDefault())),this.reportMouseEvents_?(this.scrollBlockerNode_.engaged||("mousedown"==e.type?(this.scrollBlockerNode_.engaged=!0,this.scrollBlockerNode_.style.top=e.clientY-5+"px",this.scrollBlockerNode_.style.left=e.clientX-5+"px"):"mousemove"==e.type&&(this.document_.getSelection().collapseToEnd(),e.preventDefault())),this.onMouse(e)):("dblclick"==e.type&&(this.screen_.expandSelection(this.document_.getSelection()),hterm.copySelectionToClipboard(this.document_)),"mousedown"==e.type&&e.which==this.mousePasteButton&&this.paste(),"mouseup"==e.type&&1==e.which&&this.copyOnSelect&&!this.document_.getSelection().isCollapsed&&hterm.copySelectionToClipboard(this.document_),"mousemove"!=e.type&&"mouseup"!=e.type||!this.scrollBlockerNode_.engaged||(this.scrollBlockerNode_.engaged=!1,this.scrollBlockerNode_.style.top="-99px")),"mouseup"==e.type&&this.document_.getSelection().isCollapsed&&(this.reportMouseEvents_=this.vt.mouseReport!=this.vt.MOUSE_REPORT_DISABLED)))},hterm.Terminal.prototype.onMouse=function(e){},hterm.Terminal.prototype.onFocusChange_=function(e){this.cursorNode_.setAttribute("focus",e),this.restyleCursor_(),!0===e&&this.closeBellNotifications_()},hterm.Terminal.prototype.onScroll_=function(){this.scheduleSyncCursorPosition_()},hterm.Terminal.prototype.onPaste_=function(e){var t=e.text.replace(/\n/gm,"\r");t=this.keyboard.encode(t),this.options_.bracketedPaste&&(t="[200~"+t+"[201~"),this.io.sendString(t)},hterm.Terminal.prototype.onCopy_=function(e){this.useDefaultWindowCopy||(e.preventDefault(),setTimeout(this.copySelectionToClipboard.bind(this),0))},hterm.Terminal.prototype.onResize_=function(){var e=Math.floor(this.scrollPort_.getScreenWidth()/this.scrollPort_.characterSize.width),t=lib.f.smartFloorDivide(this.scrollPort_.getScreenHeight(),this.scrollPort_.characterSize.height);if(!(e<=0||t<=0)){var r=e!=this.screenSize.width||t!=this.screenSize.height;this.realizeSize_(e,t),this.showZoomWarning_(1!=this.scrollPort_.characterSize.zoomFactor),r&&this.overlaySize(),this.restyleCursor_(),this.scheduleSyncCursorPosition_()}},hterm.Terminal.prototype.onCursorBlink_=function(){this.options_.cursorBlink?"false"==this.cursorNode_.getAttribute("focus")||"0"==this.cursorNode_.style.opacity?(this.cursorNode_.style.opacity="1",this.timeouts_.cursorBlink=setTimeout(this.myOnCursorBlink_,this.cursorBlinkCycle_[0])):(this.cursorNode_.style.opacity="0",this.timeouts_.cursorBlink=setTimeout(this.myOnCursorBlink_,this.cursorBlinkCycle_[1])):delete this.timeouts_.cursorBlink},hterm.Terminal.prototype.setScrollbarVisible=function(e){this.scrollPort_.setScrollbarVisible(e)},hterm.Terminal.prototype.setScrollWheelMoveMultipler=function(e){this.scrollPort_.setScrollWheelMoveMultipler(e)},hterm.Terminal.prototype.closeBellNotifications_=function(){this.bellNotificationList_.forEach(function(e){e.close()}),this.bellNotificationList_.length=0},lib.rtdep("lib.encodeUTF8"),hterm.Terminal.IO=function(e){this.terminal_=e,this.previousIO_=null},hterm.Terminal.IO.prototype.showOverlay=function(e,t){this.terminal_.showOverlay(e,t)},hterm.Terminal.IO.prototype.createFrame=function(e,t){return new hterm.Frame(this.terminal_,e,t)},hterm.Terminal.IO.prototype.setTerminalProfile=function(e){this.terminal_.setProfile(e)},hterm.Terminal.IO.prototype.push=function(){var e=new hterm.Terminal.IO(this.terminal_);return e.keyboardCaptured_=this.keyboardCaptured_,e.columnCount=this.columnCount,e.rowCount=this.rowCount,e.previousIO_=this.terminal_.io,this.terminal_.io=e,e},hterm.Terminal.IO.prototype.pop=function(){this.terminal_.io=this.previousIO_},hterm.Terminal.IO.prototype.sendString=function(e){console.log("Unhandled sendString: "+e)},hterm.Terminal.IO.prototype.onVTKeystroke=function(e){console.log("Unobserverd VT keystroke: "+JSON.stringify(e))},hterm.Terminal.IO.prototype.onTerminalResize_=function(e,t){for(var r=this;r;)r.columnCount=e,r.rowCount=t,r=r.previousIO_;this.onTerminalResize(e,t)},hterm.Terminal.IO.prototype.onTerminalResize=function(e,t){},hterm.Terminal.IO.prototype.writeUTF8=function(e){if(this.terminal_.io!=this)throw"Attempt to print from inactive IO object.";this.terminal_.interpret(e)},hterm.Terminal.IO.prototype.writelnUTF8=function(e){if(this.terminal_.io!=this)throw"Attempt to print from inactive IO object.";this.terminal_.interpret(e+"\r\n")},hterm.Terminal.IO.prototype.print=hterm.Terminal.IO.prototype.writeUTF16=function(e){this.writeUTF8(lib.encodeUTF8(e))},hterm.Terminal.IO.prototype.println=hterm.Terminal.IO.prototype.writelnUTF16=function(e){this.writelnUTF8(lib.encodeUTF8(e))},lib.rtdep("lib.colors"),hterm.TextAttributes=function(e){this.document_=e,this.foregroundSource=this.SRC_DEFAULT,this.backgroundSource=this.SRC_DEFAULT,this.foreground=this.DEFAULT_COLOR,this.background=this.DEFAULT_COLOR,this.defaultForeground="rgb(255, 255, 255)",this.defaultBackground="rgb(0, 0, 0)",this.bold=!1,this.faint=!1,this.italic=!1,this.blink=!1,this.underline=!1,this.strikethrough=!1,this.inverse=!1,this.invisible=!1,this.wcNode=!1,this.tileData=null,this.colorPalette=null,this.resetColorPalette()},hterm.TextAttributes.prototype.enableBold=!0,hterm.TextAttributes.prototype.enableBoldAsBright=!0,hterm.TextAttributes.prototype.DEFAULT_COLOR=new String(""),hterm.TextAttributes.prototype.SRC_DEFAULT="default",hterm.TextAttributes.prototype.SRC_RGB="rgb",hterm.TextAttributes.prototype.setDocument=function(e){this.document_=e},hterm.TextAttributes.prototype.clone=function(){var e=new hterm.TextAttributes(null);for(var t in this)e[t]=this[t];return e.colorPalette=this.colorPalette.concat(),e},hterm.TextAttributes.prototype.reset=function(){this.foregroundSource=this.SRC_DEFAULT,this.backgroundSource=this.SRC_DEFAULT,this.foreground=this.DEFAULT_COLOR,this.background=this.DEFAULT_COLOR,this.bold=!1,this.faint=!1,this.italic=!1,this.blink=!1,this.underline=!1,this.strikethrough=!1,this.inverse=!1,this.invisible=!1,this.wcNode=!1},hterm.TextAttributes.prototype.resetColorPalette=function(){this.colorPalette=lib.colors.colorPalette.concat(),this.syncColors()},hterm.TextAttributes.prototype.isDefault=function(){return!(this.foregroundSource!=this.SRC_DEFAULT||this.backgroundSource!=this.SRC_DEFAULT||this.bold||this.faint||this.italic||this.blink||this.underline||this.strikethrough||this.inverse||this.invisible||this.wcNode||null!=this.tileData)},hterm.TextAttributes.prototype.createContainer=function(e){var t=this.document_.createElement("span"),r=t.style;this.foreground!=this.DEFAULT_COLOR?r.color=this.foreground:r.color=this.defaultForeground,this.background!=this.DEFAULT_COLOR&&(r.backgroundColor=this.background),this.enableBold&&this.bold&&(r.fontWeight="bold"),this.faint&&(t.faint=!0),this.italic&&(r.fontStyle="italic"),this.blink&&(r.fontStyle="italic");var o="";return this.underline&&(o+=" underline",t.underline=!0),this.strikethrough&&(o+=" line-through",t.strikethrough=!0),o&&(r.textDecoration=o),this.wcNode&&(t.className="wc-node",t.wcNode=!0),null!=this.tileData&&(t.className+=" tile tile_"+this.tileData,t.tileNode=!0),e&&(t.textContent=e),t},hterm.TextAttributes.prototype.matchesContainer=function(e){return!1},hterm.TextAttributes.prototype.setDefaults=function(e,t){this.defaultForeground=e,this.defaultBackground=t,this.syncColors()},hterm.TextAttributes.prototype.syncColors=function(){var e=this.foregroundSource,t=this.backgroundSource,r=this.DEFAULT_COLOR,o=this.DEFAULT_COLOR;if(this.inverse&&(e=this.backgroundSource,t=this.foregroundSource,r=this.defaultBackground,o=this.defaultForeground),this.enableBoldAsBright&&this.bold&&e!=this.SRC_DEFAULT&&e!=this.SRC_RGB&&(e=function(e){return e<8?e+8:e}(e)),this.invisible&&(e=t,r=this.defaultBackground),e!=this.SRC_RGB&&(this.foreground=e==this.SRC_DEFAULT?r:this.colorPalette[e]),this.faint&&!this.invisible){var i=this.foreground==this.DEFAULT_COLOR?this.defaultForeground:this.foreground;this.foreground=lib.colors.mix(i,"rgb(0, 0, 0)",.3333)}t!=this.SRC_RGB&&(this.background=t==this.SRC_DEFAULT?o:this.colorPalette[t])},hterm.TextAttributes.containersMatch=function(e,t){if("string"==typeof e)return hterm.TextAttributes.containerIsDefault(t);if(e.nodeType!=t.nodeType)return!1;if(3==e.nodeType)return!0;var r=e.style,o=t.style;return r.color==o.color&&r.backgroundColor==o.backgroundColor&&r.fontWeight==o.fontWeight&&r.fontStyle==o.fontStyle&&r.textDecoration==o.textDecoration},hterm.TextAttributes.containerIsDefault=function(e){return"string"==typeof e||3==e.nodeType},hterm.TextAttributes.nodeWidth=function(e){return e.wcNode?lib.wc.strWidth(e.textContent):e.textContent.length},hterm.TextAttributes.nodeSubstr=function(e,t,r){return e.wcNode?lib.wc.substr(e.textContent,t,r):e.textContent.substr(t,r)},hterm.TextAttributes.nodeSubstring=function(e,t,r){return e.wcNode?lib.wc.substring(e.textContent,t,r):e.textContent.substring(t,r)},hterm.TextAttributes.splitWidecharString=function(e){for(var t=[],r=0,o=0,i=0;i0?0:1),s|=r,t=""+String.fromCharCode(s)+o+i,e.preventDefault();break;case"mousedown":var s=Math.min(e.which-1,2)+32;s|=r,t=""+String.fromCharCode(s)+o+i;break;case"mouseup":t="#"+o+i;break;case"mousemove":this.mouseReport==this.MOUSE_REPORT_DRAG&&e.which&&(s=32+Math.min(e.which-1,2),s+=32,s|=r,t=""+String.fromCharCode(s)+o+i);break;case"click":case"dblclick":break;default:console.error("Unknown mouse event: "+e.type,e)}t&&this.terminal.io.sendString(t)}},hterm.VT.prototype.interpret=function(e){for(this.parseState_.resetBuf(this.decode(e));!this.parseState_.isComplete();){var t=this.parseState_.func,r=this.parseState_.pos,e=this.parseState_.buf;if(this.parseState_.func.call(this,this.parseState_),this.parseState_.func==t&&this.parseState_.pos==r&&this.parseState_.buf==e)throw"Parser did not alter the state!"}},hterm.VT.prototype.decode=function(e){return"utf-8"==this.characterEncoding?this.decodeUTF8(e):e},hterm.VT.prototype.encodeUTF8=function(e){return lib.encodeUTF8(e)},hterm.VT.prototype.decodeUTF8=function(e){return this.utf8Decoder_.decode(e)},hterm.VT.prototype.parseUnknown_=function(e){function t(e){r[r.GL].GL&&(e=r[r.GL].GL(e)),r[r.GR].GR&&(e=r[r.GR].GR(e)),r.terminal.print(e)}var r=this,o=e.peekRemainingBuf(),i=o.search(this.cc1Pattern_);return 0==i?(this.dispatch("CC1",o.substr(0,1),e),void e.advance(1)):-1==i?(t(o),void e.reset()):(t(o.substr(0,i)),this.dispatch("CC1",o.substr(i,1),e),void e.advance(i+1))},hterm.VT.prototype.parseCSI_=function(e){var t=e.peekChar(),r=e.args;t>="@"&&t<="~"?(this.dispatch("CSI",this.leadingModifier_+this.trailingModifier_+t,e),e.resetParseFunction()):";"==t?this.trailingModifier_?e.resetParseFunction():(r.length||r.push(""),r.push("")):t>="0"&&t<="9"?this.trailingModifier_?e.resetParseFunction():r.length?r[r.length-1]+=t:r[0]=t:t>=" "&&t<="?"&&":"!=t?r.length?this.trailingModifier_+=t:this.leadingModifier_+=t:this.cc1Pattern_.test(t)?this.dispatch("CC1",t,e):e.resetParseFunction(),e.advance(1)},hterm.VT.prototype.parseUntilStringTerminator_=function(e){var t=e.peekRemainingBuf(),r=t.search(/(\x1b\\|\x07)/),o=e.args;if(o.length||(o[0]="",o[1]=new Date),-1==r){o[0]+=t;var i;return o[0].length>this.maxStringSequence&&(i="too long: "+o[0].length),-1!=o[0].indexOf("")&&(i="embedded escape: "+o[0].indexOf("")),new Date-o[1]>this.oscTimeLimit_&&(i="timeout expired: "+new Date-o[1]),i?(console.log("parseUntilStringTerminator_: aborting: "+i,o[0]),e.reset(o[0]),!1):(e.advance(t.length),!0)}return o[0].length+r>this.maxStringSequence?(e.reset(o[0]+t),!1):(o[0]+=t.substr(0,r),e.resetParseFunction(),e.advance(r+(""==t.substr(r,1)?2:1)),!0)},hterm.VT.prototype.dispatch=function(e,t,r){var o=hterm.VT[e][t];o?o!=hterm.VT.ignore?"CC1"==e&&t>""&&!this.enable8BitControl?console.warn("Ignoring 8-bit control code: 0x"+t.charCodeAt(0).toString(16)):o.apply(this,[r,t]):this.warnUnimplemented&&console.warn("Ignored "+e+" code: "+JSON.stringify(t)):this.warnUnimplemented&&console.warn("Unknown "+e+" code: "+JSON.stringify(t))},hterm.VT.prototype.setANSIMode=function(e,t){"4"==e?this.terminal.setInsertMode(t):"20"==e?this.terminal.setAutoCarriageReturn(t):this.warnUnimplemented&&console.warn("Unimplemented ANSI Mode: "+e)},hterm.VT.prototype.setDECMode=function(e,t){switch(e){case"1":this.terminal.keyboard.applicationCursor=t;break;case"3":this.allowColumnWidthChanges_&&(this.terminal.setWidth(t?132:80),this.terminal.clearHome(),this.terminal.setVTScrollRegion(null,null));break;case"5":this.terminal.setReverseVideo(t);break;case"6":this.terminal.setOriginMode(t);break;case"7":this.terminal.setWraparound(t);break;case"12":this.enableDec12&&this.terminal.setCursorBlink(t);break;case"25":this.terminal.setCursorVisible(t);break;case"40":this.terminal.allowColumnWidthChanges_=t;break;case"45":this.terminal.setReverseWraparound(t);break;case"67":this.terminal.keyboard.backspaceSendsBackspace=t;break;case"1000":this.mouseReport=t?this.MOUSE_REPORT_CLICK:this.MOUSE_REPORT_DISABLED;break;case"1002":this.mouseReport=t?this.MOUSE_REPORT_DRAG:this.MOUSE_REPORT_DISABLED;break;case"1010":this.terminal.scrollOnOutput=t;break;case"1011":this.terminal.scrollOnKeystroke=t;break;case"1036":this.terminal.keyboard.metaSendsEscape=t;break;case"1039":t?this.terminal.keyboard.previousAltSendsWhat_||(this.terminal.keyboard.previousAltSendsWhat_=this.terminal.keyboard.altSendsWhat,this.terminal.keyboard.altSendsWhat="escape"):this.terminal.keyboard.previousAltSendsWhat_&&(this.terminal.keyboard.altSendsWhat=this.terminal.keyboard.previousAltSendsWhat_,this.terminal.keyboard.previousAltSendsWhat_=null);break;case"47":case"1047":this.terminal.setAlternateMode(t);break;case"1048":this.savedState_.save();case"1049":t?(this.savedState_.save(),this.terminal.setAlternateMode(t),this.terminal.clear()):(this.terminal.setAlternateMode(t),this.savedState_.restore());break;case"2004":this.terminal.setBracketedPaste(t);break;default:this.warnUnimplemented&&console.warn("Unimplemented DEC Private Mode: "+e)}},hterm.VT.ignore=function(){},hterm.VT.CC1={},hterm.VT.ESC={},hterm.VT.CSI={},hterm.VT.OSC={},hterm.VT.VT52={},hterm.VT.CC1["\0"]=function(){},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=function(){this.terminal.ringBell()},hterm.VT.CC1["\b"]=function(){this.terminal.cursorLeft(1)},hterm.VT.CC1["\t"]=function(){this.terminal.forwardTabStop()},hterm.VT.CC1["\n"]=function(){this.terminal.formFeed()},hterm.VT.CC1["\v"]=hterm.VT.CC1["\n"],hterm.VT.CC1["\f"]=function(){this.terminal.formFeed()},hterm.VT.CC1["\r"]=function(){this.terminal.setCursorColumn(0)},hterm.VT.CC1[""]=function(){this.GL="G1"},hterm.VT.CC1[""]=function(){this.GL="G0"},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=function(e){e.resetParseFunction(),this.terminal.print("?")},hterm.VT.CC1[""]=hterm.VT.CC1[""],hterm.VT.CC1[""]=function(e){function t(e){var r=e.consumeChar();""!=r&&(this.dispatch("ESC",r,e),e.func==t&&e.resetParseFunction())}e.func=t},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1["„"]=hterm.VT.ESC.D=function(){this.terminal.lineFeed()},hterm.VT.CC1["…"]=hterm.VT.ESC.E=function(){this.terminal.setCursorColumn(0),this.terminal.cursorDown(1)},hterm.VT.CC1["ˆ"]=hterm.VT.ESC.H=function(){this.terminal.setTabStop(this.terminal.getCursorColumn())},hterm.VT.CC1[""]=hterm.VT.ESC.M=function(){this.terminal.reverseLineFeed()},hterm.VT.CC1["Ž"]=hterm.VT.ESC.N=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC.O=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC.P=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.CC1["–"]=hterm.VT.ESC.V=hterm.VT.ignore,hterm.VT.CC1["—"]=hterm.VT.ESC.W=hterm.VT.ignore,hterm.VT.CC1["˜"]=hterm.VT.ESC.X=hterm.VT.ignore,hterm.VT.CC1["š"]=hterm.VT.ESC.Z=function(){this.terminal.io.sendString("[?1;2c")},hterm.VT.CC1["›"]=hterm.VT.ESC["["]=function(e){e.resetArguments(),this.leadingModifier_="",this.trailingModifier_="",e.func=this.parseCSI_},hterm.VT.CC1["œ"]=hterm.VT.ESC["\\"]=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC["]"]=function(e){function t(e){if(this.parseUntilStringTerminator_(e)&&e.func!=t){var r=e.args[0].match(/^(\d+);(.*)$/);r?(e.args[0]=r[2],this.dispatch("OSC",r[1],e)):console.warn("Invalid OSC: "+JSON.stringify(e.args[0]))}}e.resetArguments(),e.func=t},hterm.VT.CC1["ž"]=hterm.VT.ESC["^"]=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.CC1["Ÿ"]=hterm.VT.ESC._=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.ESC[" "]=function(e){e.func=function(e){var t=e.consumeChar();this.warnUnimplemented&&console.warn("Unimplemented sequence: ESC 0x20 "+t),e.resetParseFunction()}},hterm.VT.ESC["#"]=function(e){e.func=function(e){"8"==e.consumeChar()&&this.terminal.fill("E"),e.resetParseFunction()}},hterm.VT.ESC["%"]=function(e){e.func=function(e){var t=e.consumeChar();"@"!=t&&"G"!=t&&this.warnUnimplemented&&console.warn("Unknown ESC % argument: "+JSON.stringify(t)),e.resetParseFunction()}},hterm.VT.ESC["("]=hterm.VT.ESC[")"]=hterm.VT.ESC["*"]=hterm.VT.ESC["+"]=hterm.VT.ESC["-"]=hterm.VT.ESC["."]=hterm.VT.ESC["/"]=function(e,t){e.func=function(e){var r=e.consumeChar();if(""==r)return e.resetParseFunction(),void e.func();r in hterm.VT.CharacterMap.maps?"("==t?this.G0=hterm.VT.CharacterMap.maps[r]:")"==t||"-"==t?this.G1=hterm.VT.CharacterMap.maps[r]:"*"==t||"."==t?this.G2=hterm.VT.CharacterMap.maps[r]:"+"!=t&&"/"!=t||(this.G3=hterm.VT.CharacterMap.maps[r]):this.warnUnimplemented&&console.log('Invalid character set for "'+t+'": '+r),e.resetParseFunction()}},hterm.VT.ESC[6]=hterm.VT.ignore,hterm.VT.ESC[7]=function(){this.savedState_.save()},hterm.VT.ESC[8]=function(){this.savedState_.restore()},hterm.VT.ESC[9]=hterm.VT.ignore,hterm.VT.ESC["="]=function(){this.terminal.keyboard.applicationKeypad=!0},hterm.VT.ESC[">"]=function(){this.terminal.keyboard.applicationKeypad=!1},hterm.VT.ESC.F=hterm.VT.ignore,hterm.VT.ESC.c=function(){this.reset(),this.terminal.reset()},hterm.VT.ESC.l=hterm.VT.ESC.m=hterm.VT.ignore,hterm.VT.ESC.n=function(){this.GL="G2"},hterm.VT.ESC.o=function(){this.GL="G3"},hterm.VT.ESC["|"]=function(){this.GR="G3"},hterm.VT.ESC["}"]=function(){this.GR="G2"},hterm.VT.ESC["~"]=function(){this.GR="G1"},hterm.VT.OSC[0]=function(e){this.terminal.setWindowTitle(e.args[0])},hterm.VT.OSC[2]=hterm.VT.OSC[0],hterm.VT.OSC[4]=function(e){for(var t=e.args[0].split(";"),r=parseInt(t.length/2),o=this.terminal.getTextAttributes().colorPalette,i=[],s=0;s=o.length||("?"!=a?(a=lib.colors.x11ToCSS(a))&&(o[n]=a):(a=lib.colors.rgbToX11(o[n]))&&i.push(n+";"+a))}i.length&&this.terminal.io.sendString("]4;"+i.join(";")+"")},hterm.VT.OSC[50]=function(e){var t=e.args[0].match(/CursorShape=(.)/i);if(t)switch(t[1]){case"1":this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM);break;case"2":this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE);break;default:this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK)}else console.warn("Could not parse OSC 50 args: "+e.args[0])},hterm.VT.OSC[52]=function(e){var t=e.args[0].match(/^[cps01234567]*;(.*)/);if(t){var r=window.atob(t[1]);r&&this.terminal.copyStringToClipboard(this.decode(r))}},hterm.VT.CSI["@"]=function(e){this.terminal.insertSpace(e.iarg(0,1))},hterm.VT.CSI.A=function(e){this.terminal.cursorUp(e.iarg(0,1))},hterm.VT.CSI.B=function(e){this.terminal.cursorDown(e.iarg(0,1))},hterm.VT.CSI.C=function(e){this.terminal.cursorRight(e.iarg(0,1))},hterm.VT.CSI.D=function(e){this.terminal.cursorLeft(e.iarg(0,1))},hterm.VT.CSI.E=function(e){this.terminal.cursorDown(e.iarg(0,1)),this.terminal.setCursorColumn(0)},hterm.VT.CSI.F=function(e){this.terminal.cursorUp(e.iarg(0,1)),this.terminal.setCursorColumn(0)},hterm.VT.CSI.G=function(e){this.terminal.setCursorColumn(e.iarg(0,1)-1)},hterm.VT.CSI.H=function(e){this.terminal.setCursorPosition(e.iarg(0,1)-1,e.iarg(1,1)-1)},hterm.VT.CSI.I=function(e){var t=e.iarg(0,1);t=lib.f.clamp(t,1,this.terminal.screenSize.width);for(var r=0;rT"]=hterm.VT.ignore,hterm.VT.CSI.X=function(e){this.terminal.eraseToRight(e.iarg(0,1))},hterm.VT.CSI.Z=function(e){var t=e.iarg(0,1);t=lib.f.clamp(t,1,this.terminal.screenSize.width);for(var r=0;rc"]=function(e){this.terminal.io.sendString("[>0;256;0c")},hterm.VT.CSI.d=function(e){this.terminal.setAbsoluteCursorRow(e.iarg(0,1)-1)},hterm.VT.CSI.f=hterm.VT.CSI.H,hterm.VT.CSI.g=function(e){e.args[0]&&"0"!=e.args[0]?"3"==e.args[0]&&this.terminal.clearAllTabStops():this.terminal.clearTabStopAtCursor(!1)},hterm.VT.CSI.h=function(e){for(var t=0;t=o.colorPalette.length)continue;o.foregroundSource=a}else if(39==s)o.foregroundSource=o.SRC_DEFAULT;else if(s<48)o.backgroundSource=s-40;else if(48==s){var n=r(i);if(null!=n)o.backgroundSource=o.SRC_RGB,o.background=n,i+=5;else{var a=t(i);if(null==a)break;if(i+=2,a>=o.colorPalette.length)continue;o.backgroundSource=a}}else o.backgroundSource=o.SRC_DEFAULT;else s>=90&&s<=97?o.foregroundSource=s-90+8:s>=100&&s<=107&&(o.backgroundSource=s-100+8)}o.setDefaults(this.terminal.getForegroundColor(),this.terminal.getBackgroundColor())}else o.reset()},hterm.VT.CSI[">m"]=hterm.VT.ignore,hterm.VT.CSI.n=function(e){if("5"==e.args[0])this.terminal.io.sendString("0n");else if("6"==e.args[0]){var t=this.terminal.getCursorRow()+1,r=this.terminal.getCursorColumn()+1;this.terminal.io.sendString("["+t+";"+r+"R")}},hterm.VT.CSI[">n"]=hterm.VT.ignore,hterm.VT.CSI["?n"]=function(e){if("6"==e.args[0]){var t=this.terminal.getCursorRow()+1,r=this.terminal.getCursorColumn()+1;this.terminal.io.sendString("["+t+";"+r+"R")}else"15"==e.args[0]?this.terminal.io.sendString("[?11n"):"25"==e.args[0]?this.terminal.io.sendString("[?21n"):"26"==e.args[0]?this.terminal.io.sendString("[?12;1;0;0n"):"53"==e.args[0]&&this.terminal.io.sendString("[?50n")},hterm.VT.CSI[">p"]=hterm.VT.ignore,hterm.VT.CSI["!p"]=function(){this.reset(),this.terminal.softReset()},hterm.VT.CSI.$p=hterm.VT.ignore,hterm.VT.CSI["?$p"]=hterm.VT.ignore,hterm.VT.CSI['"p']=hterm.VT.ignore,hterm.VT.CSI.q=hterm.VT.ignore,hterm.VT.CSI[" q"]=function(e){var t=e.args[0];"0"==t||"1"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK),this.terminal.setCursorBlink(!0)):"2"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK),this.terminal.setCursorBlink(!1)):"3"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE),this.terminal.setCursorBlink(!0)):"4"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE),this.terminal.setCursorBlink(!1)):console.warn("Unknown cursor style: "+t)},hterm.VT.CSI['"q']=hterm.VT.ignore,hterm.VT.CSI.r=function(e){var t=e.args,r=t[0]?parseInt(t[0],10)-1:null,o=t[1]?parseInt(t[1],10)-1:null;this.terminal.setVTScrollRegion(r,o),this.terminal.setCursorPosition(0,0)},hterm.VT.CSI["?r"]=hterm.VT.ignore,hterm.VT.CSI.$r=hterm.VT.ignore,hterm.VT.CSI.s=function(){this.savedState_.save()},hterm.VT.CSI["?s"]=hterm.VT.ignore,hterm.VT.CSI.t=hterm.VT.ignore,hterm.VT.CSI.$t=hterm.VT.ignore,hterm.VT.CSI[">t"]=hterm.VT.ignore,hterm.VT.CSI[" t"]=hterm.VT.ignore,hterm.VT.CSI.u=function(){this.savedState_.restore()},hterm.VT.CSI[" u"]=hterm.VT.ignore,hterm.VT.CSI.$v=hterm.VT.ignore,hterm.VT.CSI["'w"]=hterm.VT.ignore,hterm.VT.CSI.x=hterm.VT.ignore,hterm.VT.CSI["*x"]=hterm.VT.ignore,hterm.VT.CSI.$x=hterm.VT.ignore,hterm.VT.CSI.z=function(e){if(!(e.args.length<1)){var t=e.args[0];if("0"==t){if(e.args.length<2)return;this.terminal.getTextAttributes().tileData=e.args[1]}else"1"==t&&(this.terminal.getTextAttributes().tileData=null)}},hterm.VT.CSI["'z"]=hterm.VT.ignore,hterm.VT.CSI.$z=hterm.VT.ignore,hterm.VT.CSI["'{"]=hterm.VT.ignore,hterm.VT.CSI["'|"]=hterm.VT.ignore,hterm.VT.CSI[" }"]=hterm.VT.ignore,hterm.VT.CSI[" ~"]=hterm.VT.ignore,lib.rtdep("lib.f"),hterm.VT.CharacterMap=function(e,t){this.name=e,this.GL=null,this.GR=null,t&&this.reset(t)},hterm.VT.CharacterMap.prototype.reset=function(e){this.glmap=e;var t=Object.keys(this.glmap).map(function(e){return"\\x"+lib.f.zpad(e.charCodeAt(0).toString(16))});this.glre=new RegExp("["+t.join("")+"]","g"),this.grmap={},t.forEach(function(e){var t=String.fromCharCode(128&e.charCodeAt(0));this.grmap[t]=this.glmap[e]}.bind(this));var r=Object.keys(this.grmap).map(function(e){return"\\x"+lib.f.zpad(e.charCodeAt(0).toString(16),2)});this.grre=new RegExp("["+r.join("")+"]","g"),this.GL=function(e){return e.replace(this.glre,function(e){return this.glmap[e]}.bind(this))}.bind(this),this.GR=function(e){return e.replace(this.grre,function(e){return this.grmap[e]}.bind(this))}.bind(this)},hterm.VT.CharacterMap.maps={},hterm.VT.CharacterMap.maps[0]=new hterm.VT.CharacterMap("graphic",{"`":"◆",a:"▒",b:"␉",c:"␌",d:"␍",e:"␊",f:"°",g:"±",h:"␤",i:"␋",j:"┘",k:"┐",l:"┌",m:"└",n:"┼",o:"⎺",p:"⎻",q:"─",r:"⎼",s:"⎽",t:"├",u:"┤",v:"┴",w:"┬",x:"│",y:"≤",z:"≥","{":"π","|":"≠","}":"£","~":"·"}),hterm.VT.CharacterMap.maps.A=new hterm.VT.CharacterMap("british",{"#":"£"}),hterm.VT.CharacterMap.maps.B=new hterm.VT.CharacterMap("us",null),hterm.VT.CharacterMap.maps[4]=new hterm.VT.CharacterMap("dutch",{"#":"£","@":"¾","[":"IJ","\\":"½","]":"|","{":"¨","|":"f","}":"¼","~":"´"}),hterm.VT.CharacterMap.maps.C=hterm.VT.CharacterMap.maps[5]=new hterm.VT.CharacterMap("finnish",{"[":"Ä","\\":"Ö","]":"Å","^":"Ü","`":"é","{":"ä","|":"ö","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps.R=new hterm.VT.CharacterMap("french",{"#":"£","@":"à","[":"°","\\":"ç","]":"§","{":"é","|":"ù","}":"è","~":"¨"}),hterm.VT.CharacterMap.maps.Q=new hterm.VT.CharacterMap("french canadian",{"@":"à","[":"â","\\":"ç","]":"ê","^":"î","`":"ô","{":"é","|":"ù","}":"è","~":"û"}),hterm.VT.CharacterMap.maps.K=new hterm.VT.CharacterMap("german",{"@":"§","[":"Ä","\\":"Ö","]":"Ü","{":"ä","|":"ö","}":"ü","~":"ß"}),hterm.VT.CharacterMap.maps.Y=new hterm.VT.CharacterMap("italian",{"#":"£","@":"§","[":"°","\\":"ç","]":"é","`":"ù","{":"à","|":"ò","}":"è","~":"ì"}),hterm.VT.CharacterMap.maps.E=hterm.VT.CharacterMap.maps[6]=new hterm.VT.CharacterMap("norwegian/danish",{"@":"Ä","[":"Æ","\\":"Ø","]":"Å","^":"Ü","`":"ä","{":"æ","|":"ø","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps.Z=new hterm.VT.CharacterMap("spanish",{"#":"£","@":"§","[":"¡","\\":"Ñ","]":"¿","{":"°","|":"ñ","}":"ç"}),hterm.VT.CharacterMap.maps[7]=hterm.VT.CharacterMap.maps.H=new hterm.VT.CharacterMap("swedish",{"@":"É","[":"Ä","\\":"Ö","]":"Å","^":"Ü","`":"é","{":"ä","|":"ö","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps["="]=new 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this.keyboard.terminal.passAltNumber&&!e.shiftKey?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onMetaNum_=function(e,t){return this.keyboard.terminal.passMetaNumber&&!e.shiftKey?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onCtrlC_=function(e,t){var r=this.keyboard.terminal.getDocument().getSelection();if(!r.isCollapsed){if(this.keyboard.ctrlCCopy&&!e.shiftKey)return this.keyboard.terminal.clearSelectionAfterCopy&&setTimeout(r.collapseToEnd.bind(r),50),this.keyboard.terminal.prefs_.get("enable-clipboard-notice")&&setTimeout(this.keyboard.terminal.showOverlay.bind(this.keyboard.terminal,hterm.notifyCopyMessage,500),200),hterm.Keyboard.KeyActions.PASS;if(!this.keyboard.ctrlCCopy&&e.shiftKey)return 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r=this.keyboard.terminal.getDocument();return e.shiftKey||r.getSelection().isCollapsed?t.keyCap.substr(e.shiftKey?1:0,1):(this.keyboard.terminal.clearSelectionAfterCopy&&setTimeout(function(){r.getSelection().collapseToEnd()},50),hterm.Keyboard.KeyActions.PASS)},hterm.Keyboard.KeyMap.prototype.onMetaV_=function(e,t){return e.shiftKey?hterm.Keyboard.KeyActions.PASS:this.keyboard.passMetaV?hterm.Keyboard.KeyActions.PASS:hterm.Keyboard.KeyActions.DEFAULT},hterm.Keyboard.KeyMap.prototype.onPlusMinusZero_=function(e,t){if(!(this.keyboard.ctrlPlusMinusZeroZoom^e.shiftKey))return"-_"==t.keyCap?"":hterm.Keyboard.KeyActions.CANCEL;if(1!=this.keyboard.terminal.getZoomFactor())return hterm.Keyboard.KeyActions.PASS;var r=t.keyCap.substr(0,1);if("0"==r)this.keyboard.terminal.setFontSize(0);else{var o=this.keyboard.terminal.getFontSize();"-"==r?o-=1:o+=1,this.keyboard.terminal.setFontSize(o)}return hterm.Keyboard.KeyActions.CANCEL},hterm.Options=function(e){this.wraparound=!e||e.wraparound,this.reverseWraparound=!!e&&e.reverseWraparound,this.originMode=!!e&&e.originMode,this.autoCarriageReturn=!!e&&e.autoCarriageReturn,this.cursorVisible=!!e&&e.cursorVisible,this.cursorBlink=!!e&&e.cursorBlink,this.insertMode=!!e&&e.insertMode,this.reverseVideo=!!e&&e.reverseVideo,this.bracketedPaste=!!e&&e.bracketedPaste},lib.rtdep("lib.f","lib.Storage"),hterm.PreferenceManager=function(e){lib.PreferenceManager.call(this,hterm.defaultStorage,"/hterm/profiles/"+e);var t=hterm.PreferenceManager.defaultPreferences;Object.keys(t).forEach(function(e){this.definePreference(e,t[e])}.bind(this))},hterm.PreferenceManager.defaultPreferences={"alt-gr-mode":null,"alt-backspace-is-meta-backspace":!1,"alt-is-meta":!1,"alt-sends-what":"escape","audible-bell-sound":"lib-resource:hterm/audio/bell","desktop-notification-bell":!1,"background-color":"rgb(16, 16, 16)","background-image":"","background-size":"","background-position":"","backspace-sends-backspace":!1,"character-map-overrides":null,"close-on-exit":!0,"cursor-blink":!1,"cursor-blink-cycle":[1e3,500],"cursor-color":"rgba(255, 0, 0, 0.5)","color-palette-overrides":null,"copy-on-select":!0,"use-default-window-copy":!1,"clear-selection-after-copy":!0,"ctrl-plus-minus-zero-zoom":!0,"ctrl-c-copy":!1,"ctrl-v-paste":!1,"east-asian-ambiguous-as-two-column":!1,"enable-8-bit-control":!1,"enable-bold":null,"enable-bold-as-bright":!0,"enable-clipboard-notice":!0,"enable-clipboard-write":!0,"enable-dec12":!1,environment:{TERM:"xterm-256color"},"font-family":'"DejaVu Sans Mono", "Everson Mono", FreeMono, "Menlo", "Terminal", monospace',"font-size":15,"font-smoothing":"antialiased","foreground-color":"rgb(240, 240, 240)","home-keys-scroll":!1,"max-string-sequence":1e5,"media-keys-are-fkeys":!1,"meta-sends-escape":!0,"mouse-paste-button":null,"page-keys-scroll":!1,"pass-alt-number":null,"pass-ctrl-number":null,"pass-meta-number":null,"pass-meta-v":!0,"receive-encoding":"utf-8","scroll-on-keystroke":!0,"scroll-on-output":!1,"scrollbar-visible":!0,"scroll-wheel-move-multiplier":1,"send-encoding":"utf-8","shift-insert-paste":!0,"user-css":""},hterm.PreferenceManager.prototype={__proto__:lib.PreferenceManager.prototype},hterm.PubSub=function(){this.observers_={}},hterm.PubSub.addBehavior=function(e){var t=new hterm.PubSub;for(var r in hterm.PubSub.prototype)e[r]=hterm.PubSub.prototype[r].bind(t)},hterm.PubSub.prototype.subscribe=function(e,t){e in this.observers_||(this.observers_[e]=[]),this.observers_[e].push(t)},hterm.PubSub.prototype.unsubscribe=function(e,t){var r=this.observers_[e];if(!r)throw"Invalid subject: "+e;var o=r.indexOf(t);if(o<0)throw"Not subscribed: "+e;r.splice(o,1)},hterm.PubSub.prototype.publish=function(e,t,r){function o(e){e=e&&this.setCursorPosition(this.cursorPosition.row,e-1)},hterm.Screen.prototype.shiftRow=function(){return this.shiftRows(1)[0]},hterm.Screen.prototype.shiftRows=function(e){return this.rowsArray.splice(0,e)},hterm.Screen.prototype.unshiftRow=function(e){this.rowsArray.splice(0,0,e)},hterm.Screen.prototype.unshiftRows=function(e){this.rowsArray.unshift.apply(this.rowsArray,e)},hterm.Screen.prototype.popRow=function(){return this.popRows(1)[0]},hterm.Screen.prototype.popRows=function(e){return this.rowsArray.splice(this.rowsArray.length-e,e)},hterm.Screen.prototype.pushRow=function(e){this.rowsArray.push(e)},hterm.Screen.prototype.pushRows=function(e){e.push.apply(this.rowsArray,e)},hterm.Screen.prototype.insertRow=function(e,t){this.rowsArray.splice(e,0,t)},hterm.Screen.prototype.insertRows=function(e,t){for(var r=0;r=this.rowsArray.length?(console.error("Row out of bounds: "+e),e=this.rowsArray.length-1):e<0&&(console.error("Row out of bounds: "+e),e=0),t>=this.columnCount_?(console.error("Column out of bounds: "+t),t=this.columnCount_-1):t<0&&(console.error("Column out of bounds: "+t),t=0),this.cursorPosition.overflow=!1;var r=this.rowsArray[e],o=r.firstChild;o||(o=r.ownerDocument.createTextNode(""),r.appendChild(o));var i=0;for(r==this.cursorRowNode_?t>=this.cursorPosition.column-this.cursorOffset_&&(o=this.cursorNode_,i=this.cursorPosition.column-this.cursorOffset_):this.cursorRowNode_=r,this.cursorPosition.move(e,t);o;){var s=t-i,n=hterm.TextAttributes.nodeWidth(o);if(!o.nextSibling||n>s)return this.cursorNode_=o,void(this.cursorOffset_=s);i+=n,o=o.nextSibling}}else console.warn("Attempt to set cursor position on empty screen.")},hterm.Screen.prototype.syncSelectionCaret=function(e){try{e.collapse(this.cursorNode_,this.cursorOffset_)}catch(e){}},hterm.Screen.prototype.splitNode_=function(e,t){var r=e.cloneNode(!1),o=e.textContent;e.textContent=hterm.TextAttributes.nodeSubstr(e,0,t),r.textContent=lib.wc.substr(o,t),r.textContent&&e.parentNode.insertBefore(r,e.nextSibling),e.textContent||e.parentNode.removeChild(e)},hterm.Screen.prototype.maybeClipCurrentRow=function(){var e=hterm.TextAttributes.nodeWidth(this.cursorRowNode_);if(e<=this.columnCount_)this.cursorPosition.column>=this.columnCount_&&(this.setCursorPosition(this.cursorPosition.row,this.columnCount_-1),this.cursorPosition.overflow=!0);else{var t=this.cursorPosition.column;this.setCursorPosition(this.cursorPosition.row,this.columnCount_-1),e=hterm.TextAttributes.nodeWidth(this.cursorNode_),this.cursorOffset_hterm.TextAttributes.nodeWidth(e);){if(!e.hasAttribute("line-overflow")||!e.nextSibling)return-1;t-=hterm.TextAttributes.nodeWidth(e),e=e.nextSibling}return this.getNodeAndOffsetWithinRow_(e,t)},hterm.Screen.prototype.getNodeAndOffsetWithinRow_=function(e,t){for(var r=0;r\"'\\^!@#$%&*,;:`][^\\s\\[\\](){}<>\"'\\^]*$"),l=n.search(a);if(!(-1==l||l>o)){var h=lib.wc.substring(s,o,lib.wc.strWidth(s)),c=new RegExp("^[^\\s\\[\\](){}<>\"'\\^]*[^\\s\\[\\](){}<>\"'\\^!@#$%&*,;:~.`]"),u=h.match(c);if(u){var g=o+lib.wc.strWidth(u[0]);-1==g||gs.rowIndex)t();else if(o.focusNode==o.anchorNode)o.anchorOffset=this.lastRowCount_},hterm.ScrollPort.prototype.drawTopFold_=function(e){if(!this.selection.startRow||this.selection.startRow.rowIndex>=e)this.rowNodes_.firstChild!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.rowNodes_.firstChild);else{if(!this.selection.isMultiline||this.selection.endRow.rowIndex>=e)this.selection.startRow.nextSibling!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.selection.startRow.nextSibling);else for(this.selection.endRow.nextSibling!=this.topFold_&&this.rowNodes_.insertBefore(this.topFold_,this.selection.endRow.nextSibling);this.selection.startRow.nextSibling!=this.selection.endRow;)this.rowNodes_.removeChild(this.selection.startRow.nextSibling);for(;this.rowNodes_.firstChild!=this.selection.startRow;)this.rowNodes_.removeChild(this.rowNodes_.firstChild)}},hterm.ScrollPort.prototype.drawBottomFold_=function(e){if(!this.selection.endRow||this.selection.endRow.rowIndex<=e)this.rowNodes_.lastChild!=this.bottomFold_&&this.rowNodes_.appendChild(this.bottomFold_);else{if(!this.selection.isMultiline||this.selection.startRow.rowIndex<=e)this.bottomFold_.nextSibling!=this.selection.endRow&&this.rowNodes_.insertBefore(this.bottomFold_,this.selection.endRow);else for(this.bottomFold_.nextSibling!=this.selection.startRow&&this.rowNodes_.insertBefore(this.bottomFold_,this.selection.startRow);this.selection.startRow.nextSibling!=this.selection.endRow;)this.rowNodes_.removeChild(this.selection.startRow.nextSibling);for(;this.rowNodes_.lastChild!=this.selection.endRow;)this.rowNodes_.removeChild(this.rowNodes_.lastChild)}},hterm.ScrollPort.prototype.drawVisibleRows_=function(e,t){function r(e,t){for(;e!=t;){if(!e)throw"Did not encounter target node";if(e==o.bottomFold_)throw"Encountered bottom fold before target node";var r=e;e=e.nextSibling,r.parentNode.removeChild(r)}}for(var o=this,i=this.selection.startRow,s=this.selection.endRow,n=this.bottomFold_,a=this.topFold_.nextSibling,l=Math.min(this.visibleRowCount,this.rowProvider_.getRowCount()),h=0;h=this.lastRowCount_;var t=e*this.characterSize.height+this.visibleRowTopMargin,r=this.getScrollMax_();t>r&&(t=r),this.screen_.scrollTop!=t&&(this.screen_.scrollTop=t,this.scheduleRedraw())},hterm.ScrollPort.prototype.scrollRowToBottom=function(e){this.syncScrollHeight(),this.isScrolledEnd=e+this.visibleRowCount>=this.lastRowCount_;var t=e*this.characterSize.height+this.visibleRowTopMargin+this.visibleRowBottomMargin;(t-=this.visibleRowCount*this.characterSize.height)<0&&(t=0),this.screen_.scrollTop!=t&&(this.screen_.scrollTop=t)},hterm.ScrollPort.prototype.getTopRowIndex=function(){return lib.f.smartFloorDivide(this.screen_.scrollTop,this.characterSize.height)},hterm.ScrollPort.prototype.getBottomRowIndex=function(e){return e+this.visibleRowCount-1},hterm.ScrollPort.prototype.onScroll_=function(e){var t=this.getScreenSize();t.width==this.lastScreenWidth_&&t.height==this.lastScreenHeight_?(this.redraw_(),this.publish("scroll",{scrollPort:this})):this.resize()},hterm.ScrollPort.prototype.onScrollWheel=function(e){},hterm.ScrollPort.prototype.onScrollWheel_=function(e){if(this.onScrollWheel(e),!e.defaultPrevented){var t="DOMMouseScroll"==e.type?-1*e.detail:e.wheelDeltaY;t*=this.scrollWheelMultiplier_;var r=this.screen_.scrollTop-t;r<0&&(r=0);var o=this.getScrollMax_();r>o&&(r=o),r!=this.screen_.scrollTop&&(this.screen_.scrollTop=r,e.preventDefault())}},hterm.ScrollPort.prototype.onResize_=function(e){this.syncCharacterSize(),this.resize()},hterm.ScrollPort.prototype.onCopy=function(e){},hterm.ScrollPort.prototype.onCopy_=function(e){if(this.onCopy(e),!e.defaultPrevented&&(this.resetSelectBags_(),this.selection.sync(),this.selection.startRow&&!(this.selection.endRow.rowIndex-this.selection.startRow.rowIndex<2))){var t=this.getTopRowIndex(),r=this.getBottomRowIndex(t);if(this.selection.startRow.rowIndexr){var i;i=this.selection.startRow.rowIndex>r?this.selection.startRow.rowIndex+1:this.bottomFold_.previousSibling.rowIndex+1,this.bottomSelectBag_.textContent=this.rowProvider_.getRowsText(i,this.selection.endRow.rowIndex),this.rowNodes_.insertBefore(this.bottomSelectBag_,this.selection.endRow)}}},hterm.ScrollPort.prototype.onBodyKeyDown_=function(e){if(this.ctrlVPaste){var t=String.fromCharCode(e.which).toLowerCase();(e.ctrlKey||e.metaKey)&&"v"==t&&this.pasteTarget_.focus()}},hterm.ScrollPort.prototype.onPaste_=function(e){this.pasteTarget_.focus();var t=this;setTimeout(function(){t.publish("paste",{text:t.pasteTarget_.value}),t.pasteTarget_.value="",t.screen_.focus()},0)},hterm.ScrollPort.prototype.handlePasteTargetTextInput_=function(e){e.stopPropagation()},hterm.ScrollPort.prototype.setScrollbarVisible=function(e){this.screen_.style.overflowY=e?"scroll":"hidden"},hterm.ScrollPort.prototype.setScrollWheelMoveMultipler=function(e){this.scrollWheelMultiplier_=e},lib.rtdep("lib.colors","lib.PreferenceManager","lib.resource","lib.wc","lib.f","hterm.Keyboard","hterm.Options","hterm.PreferenceManager","hterm.Screen","hterm.ScrollPort","hterm.Size","hterm.TextAttributes","hterm.VT"),hterm.Terminal=function(e){this.profileId_=null,this.primaryScreen_=new hterm.Screen,this.alternateScreen_=new hterm.Screen,this.screen_=this.primaryScreen_,this.screenSize=new hterm.Size(0,0),this.scrollPort_=new hterm.ScrollPort(this),this.scrollPort_.subscribe("resize",this.onResize_.bind(this)),this.scrollPort_.subscribe("scroll",this.onScroll_.bind(this)),this.scrollPort_.subscribe("paste",this.onPaste_.bind(this)),this.scrollPort_.onCopy=this.onCopy_.bind(this),this.div_=null,this.document_=window.document,this.scrollbackRows_=[],this.tabStops_=[],this.defaultTabStops=!0,this.vtScrollTop_=null,this.vtScrollBottom_=null,this.cursorNode_=null,this.cursorShape_=hterm.Terminal.cursorShape.BLOCK,this.cursorColor_=null,this.cursorBlinkCycle_=[100,100],this.myOnCursorBlink_=this.onCursorBlink_.bind(this),this.backgroundColor_=null,this.foregroundColor_=null,this.scrollOnOutput_=null,this.scrollOnKeystroke_=null,this.reportMouseEvents_=!1,this.bellAudio_=this.document_.createElement("audio"),this.bellAudio_.setAttribute("preload","auto"),this.bellNotificationList_=[],this.desktopNotificationBell_=!1,this.savedOptions_={},this.options_=new hterm.Options,this.timeouts_={},this.vt=new hterm.VT(this),this.keyboard=new hterm.Keyboard(this),this.io=new hterm.Terminal.IO(this),this.enableMouseDragScroll=!0,this.copyOnSelect=null,this.mousePasteButton=null,this.useDefaultWindowCopy=!1,this.clearSelectionAfterCopy=!0,this.realizeSize_(80,24),this.setDefaultTabStops(),this.setProfile(e||"default",function(){this.onTerminalReady()}.bind(this))},hterm.Terminal.cursorShape={BLOCK:"BLOCK",BEAM:"BEAM",UNDERLINE:"UNDERLINE"},hterm.Terminal.prototype.onTerminalReady=function(){},hterm.Terminal.prototype.tabWidth=8,hterm.Terminal.prototype.setProfile=function(e,t){this.profileId_=e.replace(/\//g,"");var r=this;this.prefs_&&this.prefs_.deactivate(),this.prefs_=new hterm.PreferenceManager(this.profileId_),this.prefs_.addObservers(null,{"alt-gr-mode":function(e){e=null==e?"en-us"==navigator.language.toLowerCase()?"none":"right-alt":"string"==typeof e?e.toLowerCase():"none",/^(none|ctrl-alt|left-alt|right-alt)$/.test(e)||(e="none"),r.keyboard.altGrMode=e},"alt-backspace-is-meta-backspace":function(e){r.keyboard.altBackspaceIsMetaBackspace=e},"alt-is-meta":function(e){r.keyboard.altIsMeta=e},"alt-sends-what":function(e){/^(escape|8-bit|browser-key)$/.test(e)||(e="escape"),r.keyboard.altSendsWhat=e},"audible-bell-sound":function(e){var t=e.match(/^lib-resource:(\S+)/);t?r.bellAudio_.setAttribute("src",lib.resource.getDataUrl(t[1])):r.bellAudio_.setAttribute("src",e)},"desktop-notification-bell":function(e){e&&Notification?(r.desktopNotificationBell_="granted"===Notification.permission,r.desktopNotificationBell_||console.warn("desktop-notification-bell is true but we do not have permission to display notifications.")):r.desktopNotificationBell_=!1},"background-color":function(e){r.setBackgroundColor(e)},"background-image":function(e){r.scrollPort_.setBackgroundImage(e)},"background-size":function(e){r.scrollPort_.setBackgroundSize(e)},"background-position":function(e){r.scrollPort_.setBackgroundPosition(e)},"backspace-sends-backspace":function(e){r.keyboard.backspaceSendsBackspace=e},"character-map-overrides":function(e){if(null==e||e instanceof Object)for(var t in e){var r=hterm.VT.CharacterMap.maps[t].glmap;for(var o in e[t])r[o]=e[t][o];hterm.VT.CharacterMap.maps[t].reset(r)}else console.warn("Preference character-map-modifications is not an object: "+e)},"cursor-blink":function(e){r.setCursorBlink(!!e)},"cursor-blink-cycle":function(e){e instanceof Array&&"number"==typeof e[0]&&"number"==typeof e[1]?r.cursorBlinkCycle_=e:r.cursorBlinkCycle_="number"==typeof e?[e,e]:[100,100]},"cursor-color":function(e){r.setCursorColor(e)},"color-palette-overrides":function(e){if(null==e||e instanceof Object||e instanceof Array){if(lib.colors.colorPalette=lib.colors.stockColorPalette.concat(),e)for(var t in e){var o=parseInt(t);if(isNaN(o)||o<0||o>255)console.log("Invalid value in palette: "+t+": "+e[t]);else if(e[o]){var i=lib.colors.normalizeCSS(e[o]);i&&(lib.colors.colorPalette[o]=i)}}r.primaryScreen_.textAttributes.resetColorPalette(),r.alternateScreen_.textAttributes.resetColorPalette()}else console.warn("Preference color-palette-overrides is not an array or object: "+e)},"copy-on-select":function(e){r.copyOnSelect=!!e},"use-default-window-copy":function(e){r.useDefaultWindowCopy=!!e},"clear-selection-after-copy":function(e){r.clearSelectionAfterCopy=!!e},"ctrl-plus-minus-zero-zoom":function(e){r.keyboard.ctrlPlusMinusZeroZoom=e},"ctrl-c-copy":function(e){r.keyboard.ctrlCCopy=e},"ctrl-v-paste":function(e){r.keyboard.ctrlVPaste=e,r.scrollPort_.setCtrlVPaste(e)},"east-asian-ambiguous-as-two-column":function(e){lib.wc.regardCjkAmbiguous=e},"enable-8-bit-control":function(e){r.vt.enable8BitControl=!!e},"enable-bold":function(e){r.syncBoldSafeState()},"enable-bold-as-bright":function(e){r.primaryScreen_.textAttributes.enableBoldAsBright=!!e,r.alternateScreen_.textAttributes.enableBoldAsBright=!!e},"enable-clipboard-write":function(e){r.vt.enableClipboardWrite=!!e},"enable-dec12":function(e){r.vt.enableDec12=!!e},"font-family":function(e){r.syncFontFamily()},"font-size":function(e){r.setFontSize(e)},"font-smoothing":function(e){r.syncFontFamily()},"foreground-color":function(e){r.setForegroundColor(e)},"home-keys-scroll":function(e){r.keyboard.homeKeysScroll=e},"max-string-sequence":function(e){r.vt.maxStringSequence=e},"media-keys-are-fkeys":function(e){r.keyboard.mediaKeysAreFKeys=e},"meta-sends-escape":function(e){r.keyboard.metaSendsEscape=e},"mouse-paste-button":function(e){r.syncMousePasteButton()},"page-keys-scroll":function(e){r.keyboard.pageKeysScroll=e},"pass-alt-number":function(e){null==e&&(e=!window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passAltNumber=e},"pass-ctrl-number":function(e){null==e&&(e=!window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passCtrlNumber=e},"pass-meta-number":function(e){null==e&&(e=window.navigator.userAgent.match(/Mac OS X/)&&"popup"!=hterm.windowType),r.passMetaNumber=e},"pass-meta-v":function(e){r.keyboard.passMetaV=e},"receive-encoding":function(e){/^(utf-8|raw)$/.test(e)||(console.warn('Invalid value for "receive-encoding": '+e),e="utf-8"),r.vt.characterEncoding=e},"scroll-on-keystroke":function(e){r.scrollOnKeystroke_=e},"scroll-on-output":function(e){r.scrollOnOutput_=e},"scrollbar-visible":function(e){r.setScrollbarVisible(e)},"scroll-wheel-move-multiplier":function(e){r.setScrollWheelMoveMultipler(e)},"send-encoding":function(e){/^(utf-8|raw)$/.test(e)||(console.warn('Invalid value for "send-encoding": '+e),e="utf-8"),r.keyboard.characterEncoding=e},"shift-insert-paste":function(e){r.keyboard.shiftInsertPaste=e},"user-css":function(e){r.scrollPort_.setUserCss(e)}}),this.prefs_.readStorage(function(){this.prefs_.notifyAll(),t&&t()}.bind(this))},hterm.Terminal.prototype.getPrefs=function(){return this.prefs_},hterm.Terminal.prototype.setBracketedPaste=function(e){this.options_.bracketedPaste=e},hterm.Terminal.prototype.setCursorColor=function(e){this.cursorColor_=e,this.cursorNode_.style.backgroundColor=e,this.cursorNode_.style.borderColor=e},hterm.Terminal.prototype.getCursorColor=function(){return this.cursorColor_},hterm.Terminal.prototype.setSelectionEnabled=function(e){this.enableMouseDragScroll=e},hterm.Terminal.prototype.setBackgroundColor=function(e){this.backgroundColor_=lib.colors.normalizeCSS(e),this.primaryScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.alternateScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.scrollPort_.setBackgroundColor(e)},hterm.Terminal.prototype.getBackgroundColor=function(){return this.backgroundColor_},hterm.Terminal.prototype.setForegroundColor=function(e){this.foregroundColor_=lib.colors.normalizeCSS(e),this.primaryScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.alternateScreen_.textAttributes.setDefaults(this.foregroundColor_,this.backgroundColor_),this.scrollPort_.setForegroundColor(e)},hterm.Terminal.prototype.getForegroundColor=function(){return this.foregroundColor_},hterm.Terminal.prototype.runCommandClass=function(e,t){var r=this.prefs_.get("environment");"object"==(void 0===r?"undefined":_typeof(r))&&null!=r||(r={});var o=this;this.command=new e({argString:t||"",io:this.io.push(),environment:r,onExit:function(e){o.io.pop(),o.uninstallKeyboard(),o.prefs_.get("close-on-exit")&&window.close()}}),this.installKeyboard(),this.command.run()},hterm.Terminal.prototype.isPrimaryScreen=function(){return this.screen_==this.primaryScreen_},hterm.Terminal.prototype.installKeyboard=function(){this.keyboard.installKeyboard(this.scrollPort_.getDocument().body)},hterm.Terminal.prototype.uninstallKeyboard=function(){this.keyboard.installKeyboard(null)},hterm.Terminal.prototype.setFontSize=function(e){0===e&&(e=this.prefs_.get("font-size")),this.scrollPort_.setFontSize(e),this.wcCssRule_&&(this.wcCssRule_.style.width=2*this.scrollPort_.characterSize.width+"px")},hterm.Terminal.prototype.getFontSize=function(){return this.scrollPort_.getFontSize()},hterm.Terminal.prototype.getFontFamily=function(){return this.scrollPort_.getFontFamily()},hterm.Terminal.prototype.syncFontFamily=function(){this.scrollPort_.setFontFamily(this.prefs_.get("font-family"),this.prefs_.get("font-smoothing")),this.syncBoldSafeState()},hterm.Terminal.prototype.syncMousePasteButton=function(){var e=this.prefs_.get("mouse-paste-button");if("number"!=typeof e){var t=navigator.userAgent.match(/\(X11;\s+(\S+)/);t&&"CrOS"!=t[2]?this.mousePasteButton=3:this.mousePasteButton=2}else this.mousePasteButton=e},hterm.Terminal.prototype.syncBoldSafeState=function(){var e=this.prefs_.get("enable-bold");if(null!==e)return this.primaryScreen_.textAttributes.enableBold=e,void(this.alternateScreen_.textAttributes.enableBold=e);var t=this.scrollPort_.measureCharacterSize(),r=this.scrollPort_.measureCharacterSize("bold"),o=t.equals(r);o||console.warn("Bold characters disabled: Size of bold weight differs from normal. Font family is: "+this.scrollPort_.getFontFamily()),this.primaryScreen_.textAttributes.enableBold=o,this.alternateScreen_.textAttributes.enableBold=o},hterm.Terminal.prototype.saveCursor=function(){return this.screen_.cursorPosition.clone()},hterm.Terminal.prototype.getTextAttributes=function(){return this.screen_.textAttributes},hterm.Terminal.prototype.setTextAttributes=function(e){this.screen_.textAttributes=e},hterm.Terminal.prototype.getZoomFactor=function(){return this.scrollPort_.characterSize.zoomFactor},hterm.Terminal.prototype.setWindowTitle=function(e){window.document.title=e},hterm.Terminal.prototype.restoreCursor=function(e){var t=lib.f.clamp(e.row,0,this.screenSize.height-1),r=lib.f.clamp(e.column,0,this.screenSize.width-1);this.screen_.setCursorPosition(t,r),(e.column>r||e.column==r&&e.overflow)&&(this.screen_.cursorPosition.overflow=!0)},hterm.Terminal.prototype.clearCursorOverflow=function(){this.screen_.cursorPosition.overflow=!1},hterm.Terminal.prototype.setCursorShape=function(e){this.cursorShape_=e,this.restyleCursor_()},hterm.Terminal.prototype.getCursorShape=function(){return this.cursorShape_},hterm.Terminal.prototype.setWidth=function(e){null!=e?(this.div_.style.width=Math.ceil(this.scrollPort_.characterSize.width*e+this.scrollPort_.currentScrollbarWidthPx)+"px",this.realizeSize_(e,this.screenSize.height),this.scheduleSyncCursorPosition_()):this.div_.style.width="100%"},hterm.Terminal.prototype.setHeight=function(e){null!=e?(this.div_.style.height=this.scrollPort_.characterSize.height*e+"px",this.realizeSize_(this.screenSize.width,e),this.scheduleSyncCursorPosition_()):this.div_.style.height="100%"},hterm.Terminal.prototype.realizeSize_=function(e,t){e!=this.screenSize.width&&this.realizeWidth_(e),t!=this.screenSize.height&&this.realizeHeight_(t),this.io.onTerminalResize_(e,t)},hterm.Terminal.prototype.realizeWidth_=function(e){if(e<=0)throw new Error("Attempt to realize bad width: "+e);var t=e-this.screen_.getWidth();if(this.screenSize.width=e,this.screen_.setColumnCount(e),t>0)this.defaultTabStops&&this.setDefaultTabStops(this.screenSize.width-t);else for(var r=this.tabStops_.length-1;r>=0&&!(this.tabStops_[r]0){if(t<=this.scrollbackRows_.length){var s=Math.min(t,this.scrollbackRows_.length),n=this.scrollbackRows_.splice(this.scrollbackRows_.length-s,s);this.screen_.unshiftRows(n),t-=s,r.row+=s}t&&this.appendRows_(t)}this.setVTScrollRegion(null,null),this.restoreCursor(r)},hterm.Terminal.prototype.scrollHome=function(){this.scrollPort_.scrollRowToTop(0)},hterm.Terminal.prototype.scrollEnd=function(){this.scrollPort_.scrollRowToBottom(this.getRowCount())},hterm.Terminal.prototype.scrollPageUp=function(){var e=this.scrollPort_.getTopRowIndex();this.scrollPort_.scrollRowToTop(e-this.screenSize.height+1)},hterm.Terminal.prototype.scrollPageDown=function(){var e=this.scrollPort_.getTopRowIndex();this.scrollPort_.scrollRowToTop(e+this.screenSize.height-1)},hterm.Terminal.prototype.wipeContents=function(){this.scrollbackRows_.length=0,this.scrollPort_.resetCache(),[this.primaryScreen_,this.alternateScreen_].forEach(function(e){var t=e.getHeight();t>0&&(this.renumberRows_(0,t),this.clearHome(e))}.bind(this)),this.syncCursorPosition_(),this.scrollPort_.invalidate()},hterm.Terminal.prototype.reset=function(){this.clearAllTabStops(),this.setDefaultTabStops(),this.clearHome(this.primaryScreen_),this.primaryScreen_.textAttributes.reset(),this.clearHome(this.alternateScreen_),this.alternateScreen_.textAttributes.reset(),this.setCursorBlink(!!this.prefs_.get("cursor-blink")),this.vt.reset(),this.softReset()},hterm.Terminal.prototype.softReset=function(){this.options_=new hterm.Options,this.options_.cursorBlink=!!this.timeouts_.cursorBlink,this.primaryScreen_.textAttributes.resetColorPalette(),this.alternateScreen_.textAttributes.resetColorPalette(),this.setVTScrollRegion(null,null),this.setCursorVisible(!0)},hterm.Terminal.prototype.forwardTabStop=function(){for(var e=this.screen_.cursorPosition.column,t=0;te)return void this.setCursorColumn(this.tabStops_[t]);var r=this.screen_.cursorPosition.overflow;this.setCursorColumn(this.screenSize.width-1),this.screen_.cursorPosition.overflow=r},hterm.Terminal.prototype.backwardTabStop=function(){for(var e=this.screen_.cursorPosition.column,t=this.tabStops_.length-1;t>=0;t--)if(this.tabStops_[t]=0;t--){if(this.tabStops_[t]==e)return;if(this.tabStops_[t]0){var n=this.screen_.shiftRows(s);Array.prototype.push.apply(this.scrollbackRows_,n),this.scrollPort_.isScrolledEnd&&this.scheduleScrollDown_()}t>=this.screen_.rowsArray.length&&(t=this.screen_.rowsArray.length-1),this.setAbsoluteCursorPosition(t,0)},hterm.Terminal.prototype.moveRows_=function(e,t,r){var o=this.screen_.removeRows(e,t);this.screen_.insertRows(r,o);var i,s;e=this.screenSize.width&&(s=!0,i=this.screenSize.width-this.screen_.cursorPosition.column),s&&!this.options_.wraparound?(o=lib.wc.substr(e,t,i-1)+lib.wc.substr(e,r-1),i=r):o=lib.wc.substr(e,t,i);for(var n=hterm.TextAttributes.splitWidecharString(o),a=0;a=0;i--)this.setAbsoluteCursorPosition(t+i,0),this.screen_.clearCursorRow()},hterm.Terminal.prototype.deleteLines=function(e){var t=this.saveCursor(),r=t.row,o=this.getVTScrollBottom(),i=o-r+1,s=o-(e=Math.min(e,i))+1;e!=i&&this.moveRows_(r,e,s);for(var n=0;nt)this.cursorNode_.style.top=-this.scrollPort_.characterSize.height+"px";else{this.options_.cursorVisible&&"none"==this.cursorNode_.style.display&&(this.cursorNode_.style.display=""),this.cursorNode_.style.top=this.scrollPort_.visibleRowTopMargin+this.scrollPort_.characterSize.height*(r-e)+"px",this.cursorNode_.style.left=this.scrollPort_.characterSize.width*this.screen_.cursorPosition.column+"px",this.cursorNode_.setAttribute("title","("+this.screen_.cursorPosition.row+", "+this.screen_.cursorPosition.column+")");var o=this.document_.getSelection();o&&o.isCollapsed&&this.screen_.syncSelectionCaret(o)}},hterm.Terminal.prototype.restyleCursor_=function(){var e=this.cursorShape_;"false"==this.cursorNode_.getAttribute("focus")&&(e=hterm.Terminal.cursorShape.BLOCK);var t=this.cursorNode_.style;switch(t.width=this.scrollPort_.characterSize.width+"px",e){case hterm.Terminal.cursorShape.BEAM:t.height=this.scrollPort_.characterSize.height+"px",t.backgroundColor="transparent",t.borderBottomStyle=null,t.borderLeftStyle="solid";break;case hterm.Terminal.cursorShape.UNDERLINE:t.height=this.scrollPort_.characterSize.baseline+"px",t.backgroundColor="transparent",t.borderBottomStyle="solid",t.borderLeftStyle=null;break;default:t.height=this.scrollPort_.characterSize.height+"px",t.backgroundColor=this.cursorColor_,t.borderBottomStyle=null,t.borderLeftStyle=null}},hterm.Terminal.prototype.scheduleSyncCursorPosition_=function(){if(!this.timeouts_.syncCursor){var e=this;this.timeouts_.syncCursor=setTimeout(function(){e.syncCursorPosition_(),delete e.timeouts_.syncCursor},0)}},hterm.Terminal.prototype.showZoomWarning_=function(e){if(!this.zoomWarningNode_){if(!e)return;this.zoomWarningNode_=this.document_.createElement("div"),this.zoomWarningNode_.style.cssText="color: black;background-color: #ff2222;font-size: large;border-radius: 8px;opacity: 0.75;padding: 0.2em 0.5em 0.2em 0.5em;top: 0.5em;right: 1.2em;position: absolute;-webkit-text-size-adjust: none;-webkit-user-select: none;-moz-text-size-adjust: none;-moz-user-select: none;"}this.zoomWarningNode_.textContent=lib.MessageManager.replaceReferences(hterm.zoomWarningMessage,[parseInt(100*this.scrollPort_.characterSize.zoomFactor)]),this.zoomWarningNode_.style.fontFamily=this.prefs_.get("font-family"),e?this.zoomWarningNode_.parentNode||this.div_.parentNode.appendChild(this.zoomWarningNode_):this.zoomWarningNode_.parentNode&&this.zoomWarningNode_.parentNode.removeChild(this.zoomWarningNode_)},hterm.Terminal.prototype.showOverlay=function(e,t){if(!this.overlayNode_){if(!this.div_)return;this.overlayNode_=this.document_.createElement("div"),this.overlayNode_.style.cssText="border-radius: 15px;font-size: xx-large;opacity: 0.75;padding: 0.2em 0.5em 0.2em 0.5em;position: absolute;-webkit-user-select: none;-webkit-transition: opacity 180ms ease-in;-moz-user-select: none;-moz-transition: opacity 180ms ease-in;",this.overlayNode_.addEventListener("mousedown",function(e){e.preventDefault(),e.stopPropagation()},!0)}this.overlayNode_.style.color=this.prefs_.get("background-color"),this.overlayNode_.style.backgroundColor=this.prefs_.get("foreground-color"),this.overlayNode_.style.fontFamily=this.prefs_.get("font-family"),this.overlayNode_.textContent=e,this.overlayNode_.style.opacity="0.75",this.overlayNode_.parentNode||this.div_.appendChild(this.overlayNode_);var r=hterm.getClientSize(this.div_),o=hterm.getClientSize(this.overlayNode_);this.overlayNode_.style.top=(r.height-o.height)/2+"px",this.overlayNode_.style.left=(r.width-o.width-this.scrollPort_.currentScrollbarWidthPx)/2+"px";var i=this;this.overlayTimeout_&&clearTimeout(this.overlayTimeout_),null!==t&&(this.overlayTimeout_=setTimeout(function(){i.overlayNode_.style.opacity="0",i.overlayTimeout_=setTimeout(function(){i.overlayNode_.parentNode&&i.overlayNode_.parentNode.removeChild(i.overlayNode_),i.overlayTimeout_=null,i.overlayNode_.style.opacity="0.75"},200)},t||1500))},hterm.Terminal.prototype.paste=function(){hterm.pasteFromClipboard(this.document_)},hterm.Terminal.prototype.copyStringToClipboard=function(e){this.prefs_.get("enable-clipboard-notice")&&setTimeout(this.showOverlay.bind(this,hterm.notifyCopyMessage,500),200);var t=this.document_.createElement("pre");t.textContent=e,t.style.cssText="-webkit-user-select: text;-moz-user-select: text;position: absolute;top: -99px",this.document_.body.appendChild(t);var r=this.document_.getSelection(),o=r.anchorNode,i=r.anchorOffset,s=r.focusNode,n=r.focusOffset;r.selectAllChildren(t),hterm.copySelectionToClipboard(this.document_),r.extend&&(r.collapse(o,i),r.extend(s,n)),t.parentNode.removeChild(t)},hterm.Terminal.prototype.getSelectionText=function(){var e=this.scrollPort_.selection;if(e.sync(),e.isCollapsed)return null;var t=e.startOffset,r=e.startNode;if("X-ROW"!=r.nodeName)for("#text"==r.nodeName&&"SPAN"==r.parentNode.nodeName&&(r=r.parentNode);r.previousSibling;)r=r.previousSibling,t+=hterm.TextAttributes.nodeWidth(r);var o=hterm.TextAttributes.nodeWidth(e.endNode)-e.endOffset;if("X-ROW"!=(r=e.endNode).nodeName)for("#text"==r.nodeName&&"SPAN"==r.parentNode.nodeName&&(r=r.parentNode);r.nextSibling;)r=r.nextSibling,o+=hterm.TextAttributes.nodeWidth(r);var i=this.getRowsText(e.startRow.rowIndex,e.endRow.rowIndex+1);return lib.wc.substring(i,t,lib.wc.strWidth(i)-o)},hterm.Terminal.prototype.copySelectionToClipboard=function(){var e=this.getSelectionText();null!=e&&this.copyStringToClipboard(e)},hterm.Terminal.prototype.overlaySize=function(){this.showOverlay(this.screenSize.width+"x"+this.screenSize.height)},hterm.Terminal.prototype.onVTKeystroke=function(e){this.scrollOnKeystroke_&&this.scrollPort_.scrollRowToBottom(this.getRowCount()),this.io.onVTKeystroke(this.keyboard.encode(e))},hterm.Terminal.prototype.onMouse_=function(e){e.processedByTerminalHandler_||(e.processedByTerminalHandler_=!0,e.terminalRow=parseInt((e.clientY-this.scrollPort_.visibleRowTopMargin)/this.scrollPort_.characterSize.height)+1,e.terminalColumn=parseInt(e.clientX/this.scrollPort_.characterSize.width)+1,"mousedown"==e.type&&e.terminalColumn>this.screenSize.width||(this.options_.cursorVisible&&this.vt.mouseReport==this.vt.MOUSE_REPORT_DISABLED&&(e.terminalRow-1==this.screen_.cursorPosition.row&&e.terminalColumn-1==this.screen_.cursorPosition.column?this.cursorNode_.style.display="none":"none"==this.cursorNode_.style.display&&(this.cursorNode_.style.display="")),"mousedown"==e.type&&(e.altKey||this.vt.mouseReport==this.vt.MOUSE_REPORT_DISABLED?(this.reportMouseEvents_=!1,this.setSelectionEnabled(!0)):(this.reportMouseEvents_=!0,this.document_.getSelection().collapseToEnd(),this.setSelectionEnabled(!1),e.preventDefault())),this.reportMouseEvents_?(this.scrollBlockerNode_.engaged||("mousedown"==e.type?(this.scrollBlockerNode_.engaged=!0,this.scrollBlockerNode_.style.top=e.clientY-5+"px",this.scrollBlockerNode_.style.left=e.clientX-5+"px"):"mousemove"==e.type&&(this.document_.getSelection().collapseToEnd(),e.preventDefault())),this.onMouse(e)):("dblclick"==e.type&&(this.screen_.expandSelection(this.document_.getSelection()),hterm.copySelectionToClipboard(this.document_)),"mousedown"==e.type&&e.which==this.mousePasteButton&&this.paste(),"mouseup"==e.type&&1==e.which&&this.copyOnSelect&&!this.document_.getSelection().isCollapsed&&hterm.copySelectionToClipboard(this.document_),"mousemove"!=e.type&&"mouseup"!=e.type||!this.scrollBlockerNode_.engaged||(this.scrollBlockerNode_.engaged=!1,this.scrollBlockerNode_.style.top="-99px")),"mouseup"==e.type&&this.document_.getSelection().isCollapsed&&(this.reportMouseEvents_=this.vt.mouseReport!=this.vt.MOUSE_REPORT_DISABLED)))},hterm.Terminal.prototype.onMouse=function(e){},hterm.Terminal.prototype.onFocusChange_=function(e){this.cursorNode_.setAttribute("focus",e),this.restyleCursor_(),!0===e&&this.closeBellNotifications_()},hterm.Terminal.prototype.onScroll_=function(){this.scheduleSyncCursorPosition_()},hterm.Terminal.prototype.onPaste_=function(e){var t=e.text.replace(/\n/gm,"\r");t=this.keyboard.encode(t),this.options_.bracketedPaste&&(t="[200~"+t+"[201~"),this.io.sendString(t)},hterm.Terminal.prototype.onCopy_=function(e){this.useDefaultWindowCopy||(e.preventDefault(),setTimeout(this.copySelectionToClipboard.bind(this),0))},hterm.Terminal.prototype.onResize_=function(){var e=Math.floor(this.scrollPort_.getScreenWidth()/this.scrollPort_.characterSize.width),t=lib.f.smartFloorDivide(this.scrollPort_.getScreenHeight(),this.scrollPort_.characterSize.height);if(!(e<=0||t<=0)){var r=e!=this.screenSize.width||t!=this.screenSize.height;this.realizeSize_(e,t),this.showZoomWarning_(1!=this.scrollPort_.characterSize.zoomFactor),r&&this.overlaySize(),this.restyleCursor_(),this.scheduleSyncCursorPosition_()}},hterm.Terminal.prototype.onCursorBlink_=function(){this.options_.cursorBlink?"false"==this.cursorNode_.getAttribute("focus")||"0"==this.cursorNode_.style.opacity?(this.cursorNode_.style.opacity="1",this.timeouts_.cursorBlink=setTimeout(this.myOnCursorBlink_,this.cursorBlinkCycle_[0])):(this.cursorNode_.style.opacity="0",this.timeouts_.cursorBlink=setTimeout(this.myOnCursorBlink_,this.cursorBlinkCycle_[1])):delete this.timeouts_.cursorBlink},hterm.Terminal.prototype.setScrollbarVisible=function(e){this.scrollPort_.setScrollbarVisible(e)},hterm.Terminal.prototype.setScrollWheelMoveMultipler=function(e){this.scrollPort_.setScrollWheelMoveMultipler(e)},hterm.Terminal.prototype.closeBellNotifications_=function(){this.bellNotificationList_.forEach(function(e){e.close()}),this.bellNotificationList_.length=0},lib.rtdep("lib.encodeUTF8"),hterm.Terminal.IO=function(e){this.terminal_=e,this.previousIO_=null},hterm.Terminal.IO.prototype.showOverlay=function(e,t){this.terminal_.showOverlay(e,t)},hterm.Terminal.IO.prototype.createFrame=function(e,t){return new hterm.Frame(this.terminal_,e,t)},hterm.Terminal.IO.prototype.setTerminalProfile=function(e){this.terminal_.setProfile(e)},hterm.Terminal.IO.prototype.push=function(){var e=new hterm.Terminal.IO(this.terminal_);return e.keyboardCaptured_=this.keyboardCaptured_,e.columnCount=this.columnCount,e.rowCount=this.rowCount,e.previousIO_=this.terminal_.io,this.terminal_.io=e,e},hterm.Terminal.IO.prototype.pop=function(){this.terminal_.io=this.previousIO_},hterm.Terminal.IO.prototype.sendString=function(e){console.log("Unhandled sendString: "+e)},hterm.Terminal.IO.prototype.onVTKeystroke=function(e){console.log("Unobserverd VT keystroke: "+JSON.stringify(e))},hterm.Terminal.IO.prototype.onTerminalResize_=function(e,t){for(var r=this;r;)r.columnCount=e,r.rowCount=t,r=r.previousIO_;this.onTerminalResize(e,t)},hterm.Terminal.IO.prototype.onTerminalResize=function(e,t){},hterm.Terminal.IO.prototype.writeUTF8=function(e){if(this.terminal_.io!=this)throw"Attempt to print from inactive IO object.";this.terminal_.interpret(e)},hterm.Terminal.IO.prototype.writelnUTF8=function(e){if(this.terminal_.io!=this)throw"Attempt to print from inactive IO object.";this.terminal_.interpret(e+"\r\n")},hterm.Terminal.IO.prototype.print=hterm.Terminal.IO.prototype.writeUTF16=function(e){this.writeUTF8(lib.encodeUTF8(e))},hterm.Terminal.IO.prototype.println=hterm.Terminal.IO.prototype.writelnUTF16=function(e){this.writelnUTF8(lib.encodeUTF8(e))},lib.rtdep("lib.colors"),hterm.TextAttributes=function(e){this.document_=e,this.foregroundSource=this.SRC_DEFAULT,this.backgroundSource=this.SRC_DEFAULT,this.foreground=this.DEFAULT_COLOR,this.background=this.DEFAULT_COLOR,this.defaultForeground="rgb(255, 255, 255)",this.defaultBackground="rgb(0, 0, 0)",this.bold=!1,this.faint=!1,this.italic=!1,this.blink=!1,this.underline=!1,this.strikethrough=!1,this.inverse=!1,this.invisible=!1,this.wcNode=!1,this.tileData=null,this.colorPalette=null,this.resetColorPalette()},hterm.TextAttributes.prototype.enableBold=!0,hterm.TextAttributes.prototype.enableBoldAsBright=!0,hterm.TextAttributes.prototype.DEFAULT_COLOR=new String(""),hterm.TextAttributes.prototype.SRC_DEFAULT="default",hterm.TextAttributes.prototype.SRC_RGB="rgb",hterm.TextAttributes.prototype.setDocument=function(e){this.document_=e},hterm.TextAttributes.prototype.clone=function(){var e=new hterm.TextAttributes(null);for(var t in this)e[t]=this[t];return e.colorPalette=this.colorPalette.concat(),e},hterm.TextAttributes.prototype.reset=function(){this.foregroundSource=this.SRC_DEFAULT,this.backgroundSource=this.SRC_DEFAULT,this.foreground=this.DEFAULT_COLOR,this.background=this.DEFAULT_COLOR,this.bold=!1,this.faint=!1,this.italic=!1,this.blink=!1,this.underline=!1,this.strikethrough=!1,this.inverse=!1,this.invisible=!1,this.wcNode=!1},hterm.TextAttributes.prototype.resetColorPalette=function(){this.colorPalette=lib.colors.colorPalette.concat(),this.syncColors()},hterm.TextAttributes.prototype.isDefault=function(){return!(this.foregroundSource!=this.SRC_DEFAULT||this.backgroundSource!=this.SRC_DEFAULT||this.bold||this.faint||this.italic||this.blink||this.underline||this.strikethrough||this.inverse||this.invisible||this.wcNode||null!=this.tileData)},hterm.TextAttributes.prototype.createContainer=function(e){var t=this.document_.createElement("span"),r=t.style;this.foreground!=this.DEFAULT_COLOR?r.color=this.foreground:r.color=this.defaultForeground,this.background!=this.DEFAULT_COLOR&&(r.backgroundColor=this.background),this.enableBold&&this.bold&&(r.fontWeight="bold"),this.faint&&(t.faint=!0),this.italic&&(r.fontStyle="italic"),this.blink&&(r.fontStyle="italic");var o="";return this.underline&&(o+=" underline",t.underline=!0),this.strikethrough&&(o+=" line-through",t.strikethrough=!0),o&&(r.textDecoration=o),this.wcNode&&(t.className="wc-node",t.wcNode=!0),null!=this.tileData&&(t.className+=" tile tile_"+this.tileData,t.tileNode=!0),e&&(t.textContent=e),t},hterm.TextAttributes.prototype.matchesContainer=function(e){return!1},hterm.TextAttributes.prototype.setDefaults=function(e,t){this.defaultForeground=e,this.defaultBackground=t,this.syncColors()},hterm.TextAttributes.prototype.syncColors=function(){var e=this.foregroundSource,t=this.backgroundSource,r=this.DEFAULT_COLOR,o=this.DEFAULT_COLOR;if(this.inverse&&(e=this.backgroundSource,t=this.foregroundSource,r=this.defaultBackground,o=this.defaultForeground),this.enableBoldAsBright&&this.bold&&e!=this.SRC_DEFAULT&&e!=this.SRC_RGB&&(e=function(e){return e<8?e+8:e}(e)),this.invisible&&(e=t,r=this.defaultBackground),e!=this.SRC_RGB&&(this.foreground=e==this.SRC_DEFAULT?r:this.colorPalette[e]),this.faint&&!this.invisible){var i=this.foreground==this.DEFAULT_COLOR?this.defaultForeground:this.foreground;this.foreground=lib.colors.mix(i,"rgb(0, 0, 0)",.3333)}t!=this.SRC_RGB&&(this.background=t==this.SRC_DEFAULT?o:this.colorPalette[t])},hterm.TextAttributes.containersMatch=function(e,t){if("string"==typeof e)return hterm.TextAttributes.containerIsDefault(t);if(e.nodeType!=t.nodeType)return!1;if(3==e.nodeType)return!0;var r=e.style,o=t.style;return r.color==o.color&&r.backgroundColor==o.backgroundColor&&r.fontWeight==o.fontWeight&&r.fontStyle==o.fontStyle&&r.textDecoration==o.textDecoration},hterm.TextAttributes.containerIsDefault=function(e){return"string"==typeof e||3==e.nodeType},hterm.TextAttributes.nodeWidth=function(e){return e.wcNode?lib.wc.strWidth(e.textContent):e.textContent.length},hterm.TextAttributes.nodeSubstr=function(e,t,r){return e.wcNode?lib.wc.substr(e.textContent,t,r):e.textContent.substr(t,r)},hterm.TextAttributes.nodeSubstring=function(e,t,r){return e.wcNode?lib.wc.substring(e.textContent,t,r):e.textContent.substring(t,r)},hterm.TextAttributes.splitWidecharString=function(e){for(var t=[],r=0,o=0,i=0;i0?0:1),s|=r,t=""+String.fromCharCode(s)+o+i,e.preventDefault();break;case"mousedown":var s=Math.min(e.which-1,2)+32;s|=r,t=""+String.fromCharCode(s)+o+i;break;case"mouseup":t="#"+o+i;break;case"mousemove":this.mouseReport==this.MOUSE_REPORT_DRAG&&e.which&&(s=32+Math.min(e.which-1,2),s+=32,s|=r,t=""+String.fromCharCode(s)+o+i);break;case"click":case"dblclick":break;default:console.error("Unknown mouse event: "+e.type,e)}t&&this.terminal.io.sendString(t)}},hterm.VT.prototype.interpret=function(e){for(this.parseState_.resetBuf(this.decode(e));!this.parseState_.isComplete();){var t=this.parseState_.func,r=this.parseState_.pos,e=this.parseState_.buf;if(this.parseState_.func.call(this,this.parseState_),this.parseState_.func==t&&this.parseState_.pos==r&&this.parseState_.buf==e)throw"Parser did not alter the state!"}},hterm.VT.prototype.decode=function(e){return"utf-8"==this.characterEncoding?this.decodeUTF8(e):e},hterm.VT.prototype.encodeUTF8=function(e){return lib.encodeUTF8(e)},hterm.VT.prototype.decodeUTF8=function(e){return this.utf8Decoder_.decode(e)},hterm.VT.prototype.parseUnknown_=function(e){function t(e){r[r.GL].GL&&(e=r[r.GL].GL(e)),r[r.GR].GR&&(e=r[r.GR].GR(e)),r.terminal.print(e)}var r=this,o=e.peekRemainingBuf(),i=o.search(this.cc1Pattern_);return 0==i?(this.dispatch("CC1",o.substr(0,1),e),void e.advance(1)):-1==i?(t(o),void e.reset()):(t(o.substr(0,i)),this.dispatch("CC1",o.substr(i,1),e),void e.advance(i+1))},hterm.VT.prototype.parseCSI_=function(e){var t=e.peekChar(),r=e.args;t>="@"&&t<="~"?(this.dispatch("CSI",this.leadingModifier_+this.trailingModifier_+t,e),e.resetParseFunction()):";"==t?this.trailingModifier_?e.resetParseFunction():(r.length||r.push(""),r.push("")):t>="0"&&t<="9"?this.trailingModifier_?e.resetParseFunction():r.length?r[r.length-1]+=t:r[0]=t:t>=" "&&t<="?"&&":"!=t?r.length?this.trailingModifier_+=t:this.leadingModifier_+=t:this.cc1Pattern_.test(t)?this.dispatch("CC1",t,e):e.resetParseFunction(),e.advance(1)},hterm.VT.prototype.parseUntilStringTerminator_=function(e){var t=e.peekRemainingBuf(),r=t.search(/(\x1b\\|\x07)/),o=e.args;if(o.length||(o[0]="",o[1]=new Date),-1==r){o[0]+=t;var i;return o[0].length>this.maxStringSequence&&(i="too long: "+o[0].length),-1!=o[0].indexOf("")&&(i="embedded escape: "+o[0].indexOf("")),new Date-o[1]>this.oscTimeLimit_&&(i="timeout expired: "+new Date-o[1]),i?(console.log("parseUntilStringTerminator_: aborting: "+i,o[0]),e.reset(o[0]),!1):(e.advance(t.length),!0)}return o[0].length+r>this.maxStringSequence?(e.reset(o[0]+t),!1):(o[0]+=t.substr(0,r),e.resetParseFunction(),e.advance(r+(""==t.substr(r,1)?2:1)),!0)},hterm.VT.prototype.dispatch=function(e,t,r){var o=hterm.VT[e][t];o?o!=hterm.VT.ignore?"CC1"==e&&t>""&&!this.enable8BitControl?console.warn("Ignoring 8-bit control code: 0x"+t.charCodeAt(0).toString(16)):o.apply(this,[r,t]):this.warnUnimplemented&&console.warn("Ignored "+e+" code: "+JSON.stringify(t)):this.warnUnimplemented&&console.warn("Unknown "+e+" code: "+JSON.stringify(t))},hterm.VT.prototype.setANSIMode=function(e,t){"4"==e?this.terminal.setInsertMode(t):"20"==e?this.terminal.setAutoCarriageReturn(t):this.warnUnimplemented&&console.warn("Unimplemented ANSI Mode: "+e)},hterm.VT.prototype.setDECMode=function(e,t){switch(e){case"1":this.terminal.keyboard.applicationCursor=t;break;case"3":this.allowColumnWidthChanges_&&(this.terminal.setWidth(t?132:80),this.terminal.clearHome(),this.terminal.setVTScrollRegion(null,null));break;case"5":this.terminal.setReverseVideo(t);break;case"6":this.terminal.setOriginMode(t);break;case"7":this.terminal.setWraparound(t);break;case"12":this.enableDec12&&this.terminal.setCursorBlink(t);break;case"25":this.terminal.setCursorVisible(t);break;case"40":this.terminal.allowColumnWidthChanges_=t;break;case"45":this.terminal.setReverseWraparound(t);break;case"67":this.terminal.keyboard.backspaceSendsBackspace=t;break;case"1000":this.mouseReport=t?this.MOUSE_REPORT_CLICK:this.MOUSE_REPORT_DISABLED;break;case"1002":this.mouseReport=t?this.MOUSE_REPORT_DRAG:this.MOUSE_REPORT_DISABLED;break;case"1010":this.terminal.scrollOnOutput=t;break;case"1011":this.terminal.scrollOnKeystroke=t;break;case"1036":this.terminal.keyboard.metaSendsEscape=t;break;case"1039":t?this.terminal.keyboard.previousAltSendsWhat_||(this.terminal.keyboard.previousAltSendsWhat_=this.terminal.keyboard.altSendsWhat,this.terminal.keyboard.altSendsWhat="escape"):this.terminal.keyboard.previousAltSendsWhat_&&(this.terminal.keyboard.altSendsWhat=this.terminal.keyboard.previousAltSendsWhat_,this.terminal.keyboard.previousAltSendsWhat_=null);break;case"47":case"1047":this.terminal.setAlternateMode(t);break;case"1048":this.savedState_.save();case"1049":t?(this.savedState_.save(),this.terminal.setAlternateMode(t),this.terminal.clear()):(this.terminal.setAlternateMode(t),this.savedState_.restore());break;case"2004":this.terminal.setBracketedPaste(t);break;default:this.warnUnimplemented&&console.warn("Unimplemented DEC Private Mode: "+e)}},hterm.VT.ignore=function(){},hterm.VT.CC1={},hterm.VT.ESC={},hterm.VT.CSI={},hterm.VT.OSC={},hterm.VT.VT52={},hterm.VT.CC1["\0"]=function(){},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=function(){this.terminal.ringBell()},hterm.VT.CC1["\b"]=function(){this.terminal.cursorLeft(1)},hterm.VT.CC1["\t"]=function(){this.terminal.forwardTabStop()},hterm.VT.CC1["\n"]=function(){this.terminal.formFeed()},hterm.VT.CC1["\v"]=hterm.VT.CC1["\n"],hterm.VT.CC1["\f"]=function(){this.terminal.formFeed()},hterm.VT.CC1["\r"]=function(){this.terminal.setCursorColumn(0)},hterm.VT.CC1[""]=function(){this.GL="G1"},hterm.VT.CC1[""]=function(){this.GL="G0"},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1[""]=function(e){e.resetParseFunction(),this.terminal.print("?")},hterm.VT.CC1[""]=hterm.VT.CC1[""],hterm.VT.CC1[""]=function(e){function t(e){var r=e.consumeChar();""!=r&&(this.dispatch("ESC",r,e),e.func==t&&e.resetParseFunction())}e.func=t},hterm.VT.CC1[""]=hterm.VT.ignore,hterm.VT.CC1["„"]=hterm.VT.ESC.D=function(){this.terminal.lineFeed()},hterm.VT.CC1["…"]=hterm.VT.ESC.E=function(){this.terminal.setCursorColumn(0),this.terminal.cursorDown(1)},hterm.VT.CC1["ˆ"]=hterm.VT.ESC.H=function(){this.terminal.setTabStop(this.terminal.getCursorColumn())},hterm.VT.CC1[""]=hterm.VT.ESC.M=function(){this.terminal.reverseLineFeed()},hterm.VT.CC1["Ž"]=hterm.VT.ESC.N=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC.O=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC.P=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.CC1["–"]=hterm.VT.ESC.V=hterm.VT.ignore,hterm.VT.CC1["—"]=hterm.VT.ESC.W=hterm.VT.ignore,hterm.VT.CC1["˜"]=hterm.VT.ESC.X=hterm.VT.ignore,hterm.VT.CC1["š"]=hterm.VT.ESC.Z=function(){this.terminal.io.sendString("[?1;2c")},hterm.VT.CC1["›"]=hterm.VT.ESC["["]=function(e){e.resetArguments(),this.leadingModifier_="",this.trailingModifier_="",e.func=this.parseCSI_},hterm.VT.CC1["œ"]=hterm.VT.ESC["\\"]=hterm.VT.ignore,hterm.VT.CC1[""]=hterm.VT.ESC["]"]=function(e){function t(e){if(this.parseUntilStringTerminator_(e)&&e.func!=t){var r=e.args[0].match(/^(\d+);(.*)$/);r?(e.args[0]=r[2],this.dispatch("OSC",r[1],e)):console.warn("Invalid OSC: "+JSON.stringify(e.args[0]))}}e.resetArguments(),e.func=t},hterm.VT.CC1["ž"]=hterm.VT.ESC["^"]=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.CC1["Ÿ"]=hterm.VT.ESC._=function(e){e.resetArguments(),e.func=this.parseUntilStringTerminator_},hterm.VT.ESC[" "]=function(e){e.func=function(e){var t=e.consumeChar();this.warnUnimplemented&&console.warn("Unimplemented sequence: ESC 0x20 "+t),e.resetParseFunction()}},hterm.VT.ESC["#"]=function(e){e.func=function(e){"8"==e.consumeChar()&&this.terminal.fill("E"),e.resetParseFunction()}},hterm.VT.ESC["%"]=function(e){e.func=function(e){var t=e.consumeChar();"@"!=t&&"G"!=t&&this.warnUnimplemented&&console.warn("Unknown ESC % argument: "+JSON.stringify(t)),e.resetParseFunction()}},hterm.VT.ESC["("]=hterm.VT.ESC[")"]=hterm.VT.ESC["*"]=hterm.VT.ESC["+"]=hterm.VT.ESC["-"]=hterm.VT.ESC["."]=hterm.VT.ESC["/"]=function(e,t){e.func=function(e){var r=e.consumeChar();if(""==r)return e.resetParseFunction(),void e.func();r in hterm.VT.CharacterMap.maps?"("==t?this.G0=hterm.VT.CharacterMap.maps[r]:")"==t||"-"==t?this.G1=hterm.VT.CharacterMap.maps[r]:"*"==t||"."==t?this.G2=hterm.VT.CharacterMap.maps[r]:"+"!=t&&"/"!=t||(this.G3=hterm.VT.CharacterMap.maps[r]):this.warnUnimplemented&&console.log('Invalid character set for "'+t+'": '+r),e.resetParseFunction()}},hterm.VT.ESC[6]=hterm.VT.ignore,hterm.VT.ESC[7]=function(){this.savedState_.save()},hterm.VT.ESC[8]=function(){this.savedState_.restore()},hterm.VT.ESC[9]=hterm.VT.ignore,hterm.VT.ESC["="]=function(){this.terminal.keyboard.applicationKeypad=!0},hterm.VT.ESC[">"]=function(){this.terminal.keyboard.applicationKeypad=!1},hterm.VT.ESC.F=hterm.VT.ignore,hterm.VT.ESC.c=function(){this.reset(),this.terminal.reset()},hterm.VT.ESC.l=hterm.VT.ESC.m=hterm.VT.ignore,hterm.VT.ESC.n=function(){this.GL="G2"},hterm.VT.ESC.o=function(){this.GL="G3"},hterm.VT.ESC["|"]=function(){this.GR="G3"},hterm.VT.ESC["}"]=function(){this.GR="G2"},hterm.VT.ESC["~"]=function(){this.GR="G1"},hterm.VT.OSC[0]=function(e){this.terminal.setWindowTitle(e.args[0])},hterm.VT.OSC[2]=hterm.VT.OSC[0],hterm.VT.OSC[4]=function(e){for(var t=e.args[0].split(";"),r=parseInt(t.length/2),o=this.terminal.getTextAttributes().colorPalette,i=[],s=0;s=o.length||("?"!=a?(a=lib.colors.x11ToCSS(a))&&(o[n]=a):(a=lib.colors.rgbToX11(o[n]))&&i.push(n+";"+a))}i.length&&this.terminal.io.sendString("]4;"+i.join(";")+"")},hterm.VT.OSC[50]=function(e){var t=e.args[0].match(/CursorShape=(.)/i);if(t)switch(t[1]){case"1":this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM);break;case"2":this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE);break;default:this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK)}else console.warn("Could not parse OSC 50 args: "+e.args[0])},hterm.VT.OSC[52]=function(e){var t=e.args[0].match(/^[cps01234567]*;(.*)/);if(t){var r=window.atob(t[1]);r&&this.terminal.copyStringToClipboard(this.decode(r))}},hterm.VT.CSI["@"]=function(e){this.terminal.insertSpace(e.iarg(0,1))},hterm.VT.CSI.A=function(e){this.terminal.cursorUp(e.iarg(0,1))},hterm.VT.CSI.B=function(e){this.terminal.cursorDown(e.iarg(0,1))},hterm.VT.CSI.C=function(e){this.terminal.cursorRight(e.iarg(0,1))},hterm.VT.CSI.D=function(e){this.terminal.cursorLeft(e.iarg(0,1))},hterm.VT.CSI.E=function(e){this.terminal.cursorDown(e.iarg(0,1)),this.terminal.setCursorColumn(0)},hterm.VT.CSI.F=function(e){this.terminal.cursorUp(e.iarg(0,1)),this.terminal.setCursorColumn(0)},hterm.VT.CSI.G=function(e){this.terminal.setCursorColumn(e.iarg(0,1)-1)},hterm.VT.CSI.H=function(e){this.terminal.setCursorPosition(e.iarg(0,1)-1,e.iarg(1,1)-1)},hterm.VT.CSI.I=function(e){var t=e.iarg(0,1);t=lib.f.clamp(t,1,this.terminal.screenSize.width);for(var r=0;rT"]=hterm.VT.ignore,hterm.VT.CSI.X=function(e){this.terminal.eraseToRight(e.iarg(0,1))},hterm.VT.CSI.Z=function(e){var t=e.iarg(0,1);t=lib.f.clamp(t,1,this.terminal.screenSize.width);for(var r=0;rc"]=function(e){this.terminal.io.sendString("[>0;256;0c")},hterm.VT.CSI.d=function(e){this.terminal.setAbsoluteCursorRow(e.iarg(0,1)-1)},hterm.VT.CSI.f=hterm.VT.CSI.H,hterm.VT.CSI.g=function(e){e.args[0]&&"0"!=e.args[0]?"3"==e.args[0]&&this.terminal.clearAllTabStops():this.terminal.clearTabStopAtCursor(!1)},hterm.VT.CSI.h=function(e){for(var t=0;t=o.colorPalette.length)continue;o.foregroundSource=a}else if(39==s)o.foregroundSource=o.SRC_DEFAULT;else if(s<48)o.backgroundSource=s-40;else if(48==s){var n=r(i);if(null!=n)o.backgroundSource=o.SRC_RGB,o.background=n,i+=5;else{var a=t(i);if(null==a)break;if(i+=2,a>=o.colorPalette.length)continue;o.backgroundSource=a}}else o.backgroundSource=o.SRC_DEFAULT;else s>=90&&s<=97?o.foregroundSource=s-90+8:s>=100&&s<=107&&(o.backgroundSource=s-100+8)}o.setDefaults(this.terminal.getForegroundColor(),this.terminal.getBackgroundColor())}else o.reset()},hterm.VT.CSI[">m"]=hterm.VT.ignore,hterm.VT.CSI.n=function(e){if("5"==e.args[0])this.terminal.io.sendString("0n");else if("6"==e.args[0]){var t=this.terminal.getCursorRow()+1,r=this.terminal.getCursorColumn()+1;this.terminal.io.sendString("["+t+";"+r+"R")}},hterm.VT.CSI[">n"]=hterm.VT.ignore,hterm.VT.CSI["?n"]=function(e){if("6"==e.args[0]){var t=this.terminal.getCursorRow()+1,r=this.terminal.getCursorColumn()+1;this.terminal.io.sendString("["+t+";"+r+"R")}else"15"==e.args[0]?this.terminal.io.sendString("[?11n"):"25"==e.args[0]?this.terminal.io.sendString("[?21n"):"26"==e.args[0]?this.terminal.io.sendString("[?12;1;0;0n"):"53"==e.args[0]&&this.terminal.io.sendString("[?50n")},hterm.VT.CSI[">p"]=hterm.VT.ignore,hterm.VT.CSI["!p"]=function(){this.reset(),this.terminal.softReset()},hterm.VT.CSI.$p=hterm.VT.ignore,hterm.VT.CSI["?$p"]=hterm.VT.ignore,hterm.VT.CSI['"p']=hterm.VT.ignore,hterm.VT.CSI.q=hterm.VT.ignore,hterm.VT.CSI[" q"]=function(e){var t=e.args[0];"0"==t||"1"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK),this.terminal.setCursorBlink(!0)):"2"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK),this.terminal.setCursorBlink(!1)):"3"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE),this.terminal.setCursorBlink(!0)):"4"==t?(this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE),this.terminal.setCursorBlink(!1)):console.warn("Unknown cursor style: "+t)},hterm.VT.CSI['"q']=hterm.VT.ignore,hterm.VT.CSI.r=function(e){var t=e.args,r=t[0]?parseInt(t[0],10)-1:null,o=t[1]?parseInt(t[1],10)-1:null;this.terminal.setVTScrollRegion(r,o),this.terminal.setCursorPosition(0,0)},hterm.VT.CSI["?r"]=hterm.VT.ignore,hterm.VT.CSI.$r=hterm.VT.ignore,hterm.VT.CSI.s=function(){this.savedState_.save()},hterm.VT.CSI["?s"]=hterm.VT.ignore,hterm.VT.CSI.t=hterm.VT.ignore,hterm.VT.CSI.$t=hterm.VT.ignore,hterm.VT.CSI[">t"]=hterm.VT.ignore,hterm.VT.CSI[" t"]=hterm.VT.ignore,hterm.VT.CSI.u=function(){this.savedState_.restore()},hterm.VT.CSI[" u"]=hterm.VT.ignore,hterm.VT.CSI.$v=hterm.VT.ignore,hterm.VT.CSI["'w"]=hterm.VT.ignore,hterm.VT.CSI.x=hterm.VT.ignore,hterm.VT.CSI["*x"]=hterm.VT.ignore,hterm.VT.CSI.$x=hterm.VT.ignore,hterm.VT.CSI.z=function(e){if(!(e.args.length<1)){var t=e.args[0];if("0"==t){if(e.args.length<2)return;this.terminal.getTextAttributes().tileData=e.args[1]}else"1"==t&&(this.terminal.getTextAttributes().tileData=null)}},hterm.VT.CSI["'z"]=hterm.VT.ignore,hterm.VT.CSI.$z=hterm.VT.ignore,hterm.VT.CSI["'{"]=hterm.VT.ignore,hterm.VT.CSI["'|"]=hterm.VT.ignore,hterm.VT.CSI[" }"]=hterm.VT.ignore,hterm.VT.CSI[" ~"]=hterm.VT.ignore,lib.rtdep("lib.f"),hterm.VT.CharacterMap=function(e,t){this.name=e,this.GL=null,this.GR=null,t&&this.reset(t)},hterm.VT.CharacterMap.prototype.reset=function(e){this.glmap=e;var t=Object.keys(this.glmap).map(function(e){return"\\x"+lib.f.zpad(e.charCodeAt(0).toString(16))});this.glre=new RegExp("["+t.join("")+"]","g"),this.grmap={},t.forEach(function(e){var t=String.fromCharCode(128&e.charCodeAt(0));this.grmap[t]=this.glmap[e]}.bind(this));var r=Object.keys(this.grmap).map(function(e){return"\\x"+lib.f.zpad(e.charCodeAt(0).toString(16),2)});this.grre=new RegExp("["+r.join("")+"]","g"),this.GL=function(e){return e.replace(this.glre,function(e){return this.glmap[e]}.bind(this))}.bind(this),this.GR=function(e){return e.replace(this.grre,function(e){return this.grmap[e]}.bind(this))}.bind(this)},hterm.VT.CharacterMap.maps={},hterm.VT.CharacterMap.maps[0]=new hterm.VT.CharacterMap("graphic",{"`":"◆",a:"▒",b:"␉",c:"␌",d:"␍",e:"␊",f:"°",g:"±",h:"␤",i:"␋",j:"┘",k:"┐",l:"┌",m:"└",n:"┼",o:"⎺",p:"⎻",q:"─",r:"⎼",s:"⎽",t:"├",u:"┤",v:"┴",w:"┬",x:"│",y:"≤",z:"≥","{":"π","|":"≠","}":"£","~":"·"}),hterm.VT.CharacterMap.maps.A=new hterm.VT.CharacterMap("british",{"#":"£"}),hterm.VT.CharacterMap.maps.B=new hterm.VT.CharacterMap("us",null),hterm.VT.CharacterMap.maps[4]=new hterm.VT.CharacterMap("dutch",{"#":"£","@":"¾","[":"IJ","\\":"½","]":"|","{":"¨","|":"f","}":"¼","~":"´"}),hterm.VT.CharacterMap.maps.C=hterm.VT.CharacterMap.maps[5]=new hterm.VT.CharacterMap("finnish",{"[":"Ä","\\":"Ö","]":"Å","^":"Ü","`":"é","{":"ä","|":"ö","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps.R=new hterm.VT.CharacterMap("french",{"#":"£","@":"à","[":"°","\\":"ç","]":"§","{":"é","|":"ù","}":"è","~":"¨"}),hterm.VT.CharacterMap.maps.Q=new hterm.VT.CharacterMap("french canadian",{"@":"à","[":"â","\\":"ç","]":"ê","^":"î","`":"ô","{":"é","|":"ù","}":"è","~":"û"}),hterm.VT.CharacterMap.maps.K=new hterm.VT.CharacterMap("german",{"@":"§","[":"Ä","\\":"Ö","]":"Ü","{":"ä","|":"ö","}":"ü","~":"ß"}),hterm.VT.CharacterMap.maps.Y=new hterm.VT.CharacterMap("italian",{"#":"£","@":"§","[":"°","\\":"ç","]":"é","`":"ù","{":"à","|":"ò","}":"è","~":"ì"}),hterm.VT.CharacterMap.maps.E=hterm.VT.CharacterMap.maps[6]=new hterm.VT.CharacterMap("norwegian/danish",{"@":"Ä","[":"Æ","\\":"Ø","]":"Å","^":"Ü","`":"ä","{":"æ","|":"ø","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps.Z=new hterm.VT.CharacterMap("spanish",{"#":"£","@":"§","[":"¡","\\":"Ñ","]":"¿","{":"°","|":"ñ","}":"ç"}),hterm.VT.CharacterMap.maps[7]=hterm.VT.CharacterMap.maps.H=new hterm.VT.CharacterMap("swedish",{"@":"É","[":"Ä","\\":"Ö","]":"Å","^":"Ü","`":"é","{":"ä","|":"ö","}":"å","~":"ü"}),hterm.VT.CharacterMap.maps["="]=new 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\ No newline at end of file diff --git a/src/hterm_all.js b/src/hterm_all.js new file mode 100644 index 0000000..a277f6a --- /dev/null +++ b/src/hterm_all.js @@ -0,0 +1,16076 @@ +// This file was generated by libdot/bin/concat.sh. +// It has been marked read-only for your safety. Rather +// than edit it directly, please modify one of these source +// files... +// +// libdot/js/lib.js +// libdot/js/lib_colors.js +// libdot/js/lib_f.js +// libdot/js/lib_message_manager.js +// libdot/js/lib_preference_manager.js +// libdot/js/lib_resource.js +// libdot/js/lib_storage.js +// libdot/js/lib_storage_chrome.js +// libdot/js/lib_storage_local.js +// libdot/js/lib_storage_memory.js +// libdot/js/lib_test_manager.js +// libdot/js/lib_utf8.js +// libdot/js/lib_wc.js +// hterm/js/hterm.js +// hterm/js/hterm_frame.js +// hterm/js/hterm_keyboard.js +// hterm/js/hterm_keyboard_keymap.js +// hterm/js/hterm_options.js +// hterm/js/hterm_preference_manager.js +// hterm/js/hterm_pubsub.js +// hterm/js/hterm_screen.js +// hterm/js/hterm_scrollport.js +// hterm/js/hterm_terminal.js +// hterm/js/hterm_terminal_io.js +// hterm/js/hterm_text_attributes.js +// hterm/js/hterm_vt.js +// hterm/js/hterm_vt_character_map.js +// + +// SOURCE FILE: libdot/js/lib.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +if (typeof lib != 'undefined') + throw new Error('Global "lib" object already exists.'); + +var lib = {}; + +/** + * Map of "dependency" to ["source", ...]. + * + * Each dependency is a object name, like "lib.fs", "source" is the url that + * depdends on the object. + */ +lib.runtimeDependencies_ = {}; + +/** + * List of functions that need to be invoked during library initialization. + * + * Each element in the initCallbacks_ array is itself a two-element array. + * Element 0 is a short string describing the owner of the init routine, useful + * for debugging. Element 1 is the callback function. + */ +lib.initCallbacks_ = []; + +/** + * Records a runtime dependency. + * + * This can be useful when you want to express a run-time dependency at + * compile time. It is not intended to be a full-fledged library system or + * dependency tracker. It's just there to make it possible to debug the + * deps without running all the code. + * + * Object names are specified as strings. For example... + * + * lib.rtdep('lib.colors', 'lib.PreferenceManager'); + * + * Object names need not be rooted by 'lib'. You may use this to declare a + * dependency on any object. + * + * The client program may call lib.ensureRuntimeDependencies() at startup in + * order to ensure that all runtime dependencies have been met. + * + * @param {string} var_args One or more objects specified as strings. + */ +lib.rtdep = function(var_args) { + var source; + + try { + throw new Error(); + } catch (ex) { + var stackArray = ex.stack.split('\n'); + // In Safari, the resulting stackArray will only have 2 elements and the + // individual strings are formatted differently. + if (stackArray.length >= 3) { + source = stackArray[2].replace(/^\s*at\s+/, ''); + } else { + source = stackArray[1].replace(/^\s*global code@/, ''); + } + } + + for (var i = 0; i < arguments.length; i++) { + var path = arguments[i]; + if (path instanceof Array) { + lib.rtdep.apply(lib, path); + } else { + var ary = this.runtimeDependencies_[path]; + if (!ary) + ary = this.runtimeDependencies_[path] = []; + ary.push(source); + } + } +}; + +/** + * Ensures that all runtime dependencies are met, or an exception is thrown. + * + * Every unmet runtime dependency will be logged to the JS console. If at + * least one dependency is unmet this will raise an exception. + */ +lib.ensureRuntimeDependencies_ = function() { + var passed = true; + + for (var path in lib.runtimeDependencies_) { + var sourceList = lib.runtimeDependencies_[path]; + var names = path.split('.'); + + // In a document context 'window' is the global object. In a worker it's + // called 'self'. + var obj = (window || self); + for (var i = 0; i < names.length; i++) { + if (!(names[i] in obj)) { + console.warn('Missing "' + path + '" is needed by', sourceList); + passed = false; + break; + } + + obj = obj[names[i]]; + } + } + + if (!passed) + throw new Error('Failed runtime dependency check'); +}; + +/** + * Register an initialization function. + * + * The initialization functions are invoked in registration order when + * lib.init() is invoked. Each function will receive a single parameter, which + * is a function to be invoked when it completes its part of the initialization. + * + * @param {string} name A short descriptive name of the init routine useful for + * debugging. + * @param {function(function)} callback The initialization function to register. + * @return {function} The callback parameter. + */ +lib.registerInit = function(name, callback) { + lib.initCallbacks_.push([name, callback]); + return callback; +}; + +/** + * Initialize the library. + * + * This will ensure that all registered runtime dependencies are met, and + * invoke any registered initialization functions. + * + * Initialization is asynchronous. The library is not ready for use until + * the onInit function is invoked. + * + * @param {function()} onInit The function to invoke when initialization is + * complete. + * @param {function(*)} opt_logFunction An optional function to send + * initialization related log messages to. + */ +lib.init = function(onInit, opt_logFunction) { + var ary = lib.initCallbacks_; + + var initNext = function() { + if (ary.length) { + var rec = ary.shift(); + if (opt_logFunction) + opt_logFunction('init: ' + rec[0]); + rec[1](lib.f.alarm(initNext)); + } else { + onInit(); + } + }; + + if (typeof onInit != 'function') + throw new Error('Missing or invalid argument: onInit'); + + lib.ensureRuntimeDependencies_(); + + setTimeout(initNext, 0); +}; +// SOURCE FILE: libdot/js/lib_colors.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Namespace for color utilities. + */ +lib.colors = {}; + +/** + * First, some canned regular expressions we're going to use in this file. + * + * + * BRACE YOURSELF + * + * ,~~~~. + * |>_< ~~ + * 3`---'-/. + * 3:::::\v\ + * =o=:::::\,\ + * | :::::\,,\ + * + * THE REGULAR EXPRESSIONS + * ARE COMING. + * + * There's no way to break long RE literals in JavaScript. Fix that why don't + * you? Oh, and also there's no way to write a string that doesn't interpret + * escapes. + * + * Instead, we stoop to this .replace() trick. + */ +lib.colors.re_ = { + // CSS hex color, #RGB. + hex16: /#([a-f0-9])([a-f0-9])([a-f0-9])/i, + + // CSS hex color, #RRGGBB. + hex24: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/i, + + // CSS rgb color, rgb(rrr,ggg,bbb). + rgb: new RegExp( + ('^/s*rgb/s*/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,' + + '/s*(/d{1,3})/s*/)/s*$' + ).replace(/\//g, '\\'), 'i'), + + // CSS rgb color, rgb(rrr,ggg,bbb,aaa). + rgba: new RegExp( + ('^/s*rgba/s*' + + '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' + + '(?:,/s*(/d+(?:/./d+)?)/s*)/)/s*$' + ).replace(/\//g, '\\'), 'i'), + + // Either RGB or RGBA. + rgbx: new RegExp( + ('^/s*rgba?/s*' + + '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' + + '(?:,/s*(/d+(?:/./d+)?)/s*)?/)/s*$' + ).replace(/\//g, '\\'), 'i'), + + // An X11 "rgb:ddd/ddd/ddd" value. + x11rgb: /^\s*rgb:([a-f0-9]{1,4})\/([a-f0-9]{1,4})\/([a-f0-9]{1,4})\s*$/i, + + // English color name. + name: /[a-z][a-z0-9\s]+/, +}; + +/** + * Convert a CSS rgb(ddd,ddd,ddd) color value into an X11 color value. + * + * Other CSS color values are ignored to ensure sanitary data handling. + * + * Each 'ddd' component is a one byte value specified in decimal. + * + * @param {string} value The CSS color value to convert. + * @return {string} The X11 color value or null if the value could not be + * converted. + */ +lib.colors.rgbToX11 = function(value) { + function scale(v) { + v = (Math.min(v, 255) * 257).toString(16); + while (v.length < 4) + v = '0' + v; + + return v; + } + + var ary = value.match(lib.colors.re_.rgbx); + if (!ary) + return null; + + return 'rgb:' + scale(ary[1]) + '/' + scale(ary[2]) + '/' + scale(ary[3]); +}; + +/** + * Convert an X11 color value into an CSS rgb(...) color value. + * + * The X11 value may be an X11 color name, or an RGB value of the form + * rgb:hhhh/hhhh/hhhh. If a component value is less than 4 digits it is + * padded out to 4, then scaled down to fit in a single byte. + * + * @param {string} value The X11 color value to convert. + * @return {string} The CSS color value or null if the value could not be + * converted. + */ +lib.colors.x11ToCSS = function(v) { + function scale(v) { + // Pad out values with less than four digits. This padding (probably) + // matches xterm. It's difficult to say for sure since xterm seems to + // arrive at a padded value and then perform some combination of + // gamma correction, color space tranformation, and quantization. + + if (v.length == 1) { + // Single digits pad out to four by repeating the character. "f" becomes + // "ffff". Scaling down a hex value of this pattern by 257 is the same + // as cutting off one byte. We skip the middle step and just double + // the character. + return parseInt(v + v, 16); + } + + if (v.length == 2) { + // Similar deal here. X11 pads two digit values by repeating the + // byte (or scale up by 257). Since we're going to scale it back + // down anyway, we can just return the original value. + return parseInt(v, 16); + } + + if (v.length == 3) { + // Three digit values seem to be padded by repeating the final digit. + // e.g. 10f becomes 10ff. + v = v + v.substr(2); + } + + // Scale down the 2 byte value. + return Math.round(parseInt(v, 16) / 257); + } + + var ary = v.match(lib.colors.re_.x11rgb); + if (!ary) + return lib.colors.nameToRGB(v); + + ary.splice(0, 1); + return lib.colors.arrayToRGBA(ary.map(scale)); +}; + +/** + * Converts one or more CSS '#RRGGBB' color values into their rgb(...) + * form. + * + * Arrays are converted in place. If a value cannot be converted, it is + * replaced with null. + * + * @param {string|Array.} A single RGB value or array of RGB values to + * convert. + * @return {string|Array.} The converted value or values. + */ +lib.colors.hexToRGB = function(arg) { + function convert(hex) { + var re = (hex.length == 4) ? + lib.colors.re_.hex16 : lib.colors.re_.hex24; + var ary = hex.match(re) + if (!ary) + return null; + + return 'rgb(' + parseInt(ary[1], 16) + ', ' + + parseInt(ary[2], 16) + ', ' + + parseInt(ary[3], 16) + ')'; + } + + if (arg instanceof Array) { + for (var i = 0; i < arg.length; i++) { + arg[i] = convert(arg[i]); + } + } else { + arg = convert(arg); + } + + return arg; +}; + +/** + * Converts one or more CSS rgb(...) forms into their '#RRGGBB' color values. + * + * If given an rgba(...) form, the alpha field is thrown away. + * + * Arrays are converted in place. If a value cannot be converted, it is + * replaced with null. + * + * @param {string|Array.} A single rgb(...) value or array of rgb(...) + * values to convert. + * @return {string|Array.} The converted value or values. + */ +lib.colors.rgbToHex = function(arg) { + function convert(rgb) { + var ary = lib.colors.crackRGB(rgb); + return '#' + lib.f.zpad(((parseInt(ary[0]) << 16) | + (parseInt(ary[1]) << 8) | + (parseInt(ary[2]) << 0)).toString(16), 6); + } + + if (arg instanceof Array) { + for (var i = 0; i < arg.length; i++) { + arg[i] = convert(arg[i]); + } + } else { + arg = convert(arg); + } + + return arg; +}; + +/** + * Take any valid css color definition and turn it into an rgb or rgba value. + * + * Returns null if the value could not be normalized. + */ +lib.colors.normalizeCSS = function(def) { + if (def.substr(0, 1) == '#') + return lib.colors.hexToRGB(def); + + if (lib.colors.re_.rgbx.test(def)) + return def; + + return lib.colors.nameToRGB(def); +}; + +/** + * Convert a 3 or 4 element array into an rgba(...) string. + */ +lib.colors.arrayToRGBA = function(ary) { + var alpha = (ary.length > 3) ? ary[3] : 1; + return 'rgba(' + ary[0] + ', ' + ary[1] + ', ' + ary[2] + ', ' + alpha + ')'; +}; + +/** + * Overwrite the alpha channel of an rgb/rgba color. + */ +lib.colors.setAlpha = function(rgb, alpha) { + var ary = lib.colors.crackRGB(rgb); + ary[3] = alpha; + return lib.colors.arrayToRGBA(ary); +}; + +/** + * Mix a percentage of a tint color into a base color. + */ +lib.colors.mix = function(base, tint, percent) { + var ary1 = lib.colors.crackRGB(base); + var ary2 = lib.colors.crackRGB(tint); + + for (var i = 0; i < 4; ++i) { + var diff = ary2[i] - ary1[i]; + ary1[i] = Math.round(parseInt(ary1[i]) + diff * percent); + } + + return lib.colors.arrayToRGBA(ary1); +}; + +/** + * Split an rgb/rgba color into an array of its components. + * + * On success, a 4 element array will be returned. For rgb values, the alpha + * will be set to 1. + */ +lib.colors.crackRGB = function(color) { + if (color.substr(0, 4) == 'rgba') { + var ary = color.match(lib.colors.re_.rgba); + if (ary) { + ary.shift(); + return ary; + } + } else { + var ary = color.match(lib.colors.re_.rgb); + if (ary) { + ary.shift(); + ary.push(1); + return ary; + } + } + + console.error('Couldn\'t crack: ' + color); + return null; +}; + +/** + * Convert an X11 color name into a CSS rgb(...) value. + * + * Names are stripped of spaces and converted to lowercase. If the name is + * unknown, null is returned. + * + * This list of color name to RGB mapping is derived from the stock X11 + * rgb.txt file. + * + * @param {string} name The color name to convert. + * @return {string} The corresponding CSS rgb(...) value. + */ +lib.colors.nameToRGB = function(name) { + if (name in lib.colors.colorNames) + return lib.colors.colorNames[name]; + + name = name.toLowerCase(); + if (name in lib.colors.colorNames) + return lib.colors.colorNames[name]; + + name = name.replace(/\s+/g, ''); + if (name in lib.colors.colorNames) + return lib.colors.colorNames[name]; + + return null; +}; + +/** + * The stock color palette. + */ +lib.colors.stockColorPalette = lib.colors.hexToRGB + ([// The "ANSI 16"... + '#000000', '#CC0000', '#4E9A06', '#C4A000', + '#3465A4', '#75507B', '#06989A', '#D3D7CF', + '#555753', '#EF2929', '#00BA13', '#FCE94F', + '#729FCF', '#F200CB', '#00B5BD', '#EEEEEC', + + // The 6x6 color cubes... + '#000000', '#00005F', '#000087', '#0000AF', '#0000D7', '#0000FF', + '#005F00', '#005F5F', '#005F87', '#005FAF', '#005FD7', '#005FFF', + '#008700', '#00875F', '#008787', '#0087AF', '#0087D7', '#0087FF', + '#00AF00', '#00AF5F', '#00AF87', '#00AFAF', '#00AFD7', '#00AFFF', + '#00D700', '#00D75F', '#00D787', '#00D7AF', '#00D7D7', '#00D7FF', + '#00FF00', '#00FF5F', '#00FF87', '#00FFAF', '#00FFD7', '#00FFFF', + + '#5F0000', '#5F005F', '#5F0087', '#5F00AF', '#5F00D7', '#5F00FF', + '#5F5F00', '#5F5F5F', '#5F5F87', '#5F5FAF', '#5F5FD7', '#5F5FFF', + '#5F8700', '#5F875F', '#5F8787', '#5F87AF', '#5F87D7', '#5F87FF', + '#5FAF00', '#5FAF5F', '#5FAF87', '#5FAFAF', '#5FAFD7', '#5FAFFF', + '#5FD700', '#5FD75F', '#5FD787', '#5FD7AF', '#5FD7D7', '#5FD7FF', + '#5FFF00', '#5FFF5F', '#5FFF87', '#5FFFAF', '#5FFFD7', '#5FFFFF', + + '#870000', '#87005F', '#870087', '#8700AF', '#8700D7', '#8700FF', + '#875F00', '#875F5F', '#875F87', '#875FAF', '#875FD7', '#875FFF', + '#878700', '#87875F', '#878787', '#8787AF', '#8787D7', '#8787FF', + '#87AF00', '#87AF5F', '#87AF87', '#87AFAF', '#87AFD7', '#87AFFF', + '#87D700', '#87D75F', '#87D787', '#87D7AF', '#87D7D7', '#87D7FF', + '#87FF00', '#87FF5F', '#87FF87', '#87FFAF', '#87FFD7', '#87FFFF', + + '#AF0000', '#AF005F', '#AF0087', '#AF00AF', '#AF00D7', '#AF00FF', + '#AF5F00', '#AF5F5F', '#AF5F87', '#AF5FAF', '#AF5FD7', '#AF5FFF', + '#AF8700', '#AF875F', '#AF8787', '#AF87AF', '#AF87D7', '#AF87FF', + '#AFAF00', '#AFAF5F', '#AFAF87', '#AFAFAF', '#AFAFD7', '#AFAFFF', + '#AFD700', '#AFD75F', '#AFD787', '#AFD7AF', '#AFD7D7', '#AFD7FF', + '#AFFF00', '#AFFF5F', '#AFFF87', '#AFFFAF', '#AFFFD7', '#AFFFFF', + + '#D70000', '#D7005F', '#D70087', '#D700AF', '#D700D7', '#D700FF', + '#D75F00', '#D75F5F', '#D75F87', '#D75FAF', '#D75FD7', '#D75FFF', + '#D78700', '#D7875F', '#D78787', '#D787AF', '#D787D7', '#D787FF', + '#D7AF00', '#D7AF5F', '#D7AF87', '#D7AFAF', '#D7AFD7', '#D7AFFF', + '#D7D700', '#D7D75F', '#D7D787', '#D7D7AF', '#D7D7D7', '#D7D7FF', + '#D7FF00', '#D7FF5F', '#D7FF87', '#D7FFAF', '#D7FFD7', '#D7FFFF', + + '#FF0000', '#FF005F', '#FF0087', '#FF00AF', '#FF00D7', '#FF00FF', + '#FF5F00', '#FF5F5F', '#FF5F87', '#FF5FAF', '#FF5FD7', '#FF5FFF', + '#FF8700', '#FF875F', '#FF8787', '#FF87AF', '#FF87D7', '#FF87FF', + '#FFAF00', '#FFAF5F', '#FFAF87', '#FFAFAF', '#FFAFD7', '#FFAFFF', + '#FFD700', '#FFD75F', '#FFD787', '#FFD7AF', '#FFD7D7', '#FFD7FF', + '#FFFF00', '#FFFF5F', '#FFFF87', '#FFFFAF', '#FFFFD7', '#FFFFFF', + + // The greyscale ramp... + '#080808', '#121212', '#1C1C1C', '#262626', '#303030', '#3A3A3A', + '#444444', '#4E4E4E', '#585858', '#626262', '#6C6C6C', '#767676', + '#808080', '#8A8A8A', '#949494', '#9E9E9E', '#A8A8A8', '#B2B2B2', + '#BCBCBC', '#C6C6C6', '#D0D0D0', '#DADADA', '#E4E4E4', '#EEEEEE' + ]); + +/** + * The current color palette, possibly with user changes. + */ +lib.colors.colorPalette = lib.colors.stockColorPalette; + +/** + * Named colors according to the stock X11 rgb.txt file. + */ +lib.colors.colorNames = { + "aliceblue": "rgb(240, 248, 255)", + "antiquewhite": "rgb(250, 235, 215)", + "antiquewhite1": "rgb(255, 239, 219)", + "antiquewhite2": "rgb(238, 223, 204)", + "antiquewhite3": "rgb(205, 192, 176)", + "antiquewhite4": "rgb(139, 131, 120)", + "aquamarine": "rgb(127, 255, 212)", + "aquamarine1": "rgb(127, 255, 212)", + "aquamarine2": "rgb(118, 238, 198)", + "aquamarine3": "rgb(102, 205, 170)", + "aquamarine4": "rgb(69, 139, 116)", + "azure": "rgb(240, 255, 255)", + "azure1": "rgb(240, 255, 255)", + "azure2": "rgb(224, 238, 238)", + "azure3": "rgb(193, 205, 205)", + "azure4": "rgb(131, 139, 139)", + "beige": "rgb(245, 245, 220)", + "bisque": "rgb(255, 228, 196)", + "bisque1": "rgb(255, 228, 196)", + "bisque2": "rgb(238, 213, 183)", + "bisque3": "rgb(205, 183, 158)", + "bisque4": "rgb(139, 125, 107)", + "black": "rgb(0, 0, 0)", + "blanchedalmond": "rgb(255, 235, 205)", + "blue": "rgb(0, 0, 255)", + "blue1": "rgb(0, 0, 255)", + "blue2": "rgb(0, 0, 238)", + "blue3": "rgb(0, 0, 205)", + "blue4": "rgb(0, 0, 139)", + "blueviolet": "rgb(138, 43, 226)", + "brown": "rgb(165, 42, 42)", + "brown1": "rgb(255, 64, 64)", + "brown2": "rgb(238, 59, 59)", + "brown3": "rgb(205, 51, 51)", + "brown4": "rgb(139, 35, 35)", + "burlywood": "rgb(222, 184, 135)", + "burlywood1": "rgb(255, 211, 155)", + "burlywood2": "rgb(238, 197, 145)", + "burlywood3": "rgb(205, 170, 125)", + "burlywood4": "rgb(139, 115, 85)", + "cadetblue": "rgb(95, 158, 160)", + "cadetblue1": "rgb(152, 245, 255)", + "cadetblue2": "rgb(142, 229, 238)", + "cadetblue3": "rgb(122, 197, 205)", + "cadetblue4": "rgb(83, 134, 139)", + "chartreuse": "rgb(127, 255, 0)", + "chartreuse1": "rgb(127, 255, 0)", + "chartreuse2": "rgb(118, 238, 0)", + "chartreuse3": "rgb(102, 205, 0)", + "chartreuse4": "rgb(69, 139, 0)", + "chocolate": "rgb(210, 105, 30)", + "chocolate1": "rgb(255, 127, 36)", + "chocolate2": "rgb(238, 118, 33)", + "chocolate3": "rgb(205, 102, 29)", + "chocolate4": "rgb(139, 69, 19)", + "coral": "rgb(255, 127, 80)", + "coral1": "rgb(255, 114, 86)", + "coral2": "rgb(238, 106, 80)", + "coral3": "rgb(205, 91, 69)", + "coral4": "rgb(139, 62, 47)", + "cornflowerblue": "rgb(100, 149, 237)", + "cornsilk": "rgb(255, 248, 220)", + "cornsilk1": "rgb(255, 248, 220)", + "cornsilk2": "rgb(238, 232, 205)", + "cornsilk3": "rgb(205, 200, 177)", + "cornsilk4": "rgb(139, 136, 120)", + "cyan": "rgb(0, 255, 255)", + "cyan1": "rgb(0, 255, 255)", + "cyan2": "rgb(0, 238, 238)", + "cyan3": "rgb(0, 205, 205)", + "cyan4": "rgb(0, 139, 139)", + "darkblue": "rgb(0, 0, 139)", + "darkcyan": "rgb(0, 139, 139)", + "darkgoldenrod": "rgb(184, 134, 11)", + "darkgoldenrod1": "rgb(255, 185, 15)", + "darkgoldenrod2": "rgb(238, 173, 14)", + "darkgoldenrod3": "rgb(205, 149, 12)", + "darkgoldenrod4": "rgb(139, 101, 8)", + "darkgray": "rgb(169, 169, 169)", + "darkgreen": "rgb(0, 100, 0)", + "darkgrey": "rgb(169, 169, 169)", + "darkkhaki": "rgb(189, 183, 107)", + "darkmagenta": "rgb(139, 0, 139)", + "darkolivegreen": "rgb(85, 107, 47)", + "darkolivegreen1": "rgb(202, 255, 112)", + 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105, 201)", + "orchid4": "rgb(139, 71, 137)", + "palegoldenrod": "rgb(238, 232, 170)", + "palegreen": "rgb(152, 251, 152)", + "palegreen1": "rgb(154, 255, 154)", + "palegreen2": "rgb(144, 238, 144)", + "palegreen3": "rgb(124, 205, 124)", + "palegreen4": "rgb(84, 139, 84)", + "paleturquoise": "rgb(175, 238, 238)", + "paleturquoise1": "rgb(187, 255, 255)", + "paleturquoise2": "rgb(174, 238, 238)", + "paleturquoise3": "rgb(150, 205, 205)", + "paleturquoise4": "rgb(102, 139, 139)", + "palevioletred": "rgb(219, 112, 147)", + "palevioletred1": "rgb(255, 130, 171)", + "palevioletred2": "rgb(238, 121, 159)", + "palevioletred3": "rgb(205, 104, 137)", + "palevioletred4": "rgb(139, 71, 93)", + "papayawhip": "rgb(255, 239, 213)", + "peachpuff": "rgb(255, 218, 185)", + "peachpuff1": "rgb(255, 218, 185)", + "peachpuff2": "rgb(238, 203, 173)", + "peachpuff3": "rgb(205, 175, 149)", + "peachpuff4": "rgb(139, 119, 101)", + "peru": "rgb(205, 133, 63)", + "pink": "rgb(255, 192, 203)", + "pink1": "rgb(255, 181, 197)", + "pink2": "rgb(238, 169, 184)", + "pink3": "rgb(205, 145, 158)", + "pink4": "rgb(139, 99, 108)", + "plum": "rgb(221, 160, 221)", + "plum1": "rgb(255, 187, 255)", + "plum2": "rgb(238, 174, 238)", + "plum3": "rgb(205, 150, 205)", + "plum4": "rgb(139, 102, 139)", + "powderblue": "rgb(176, 224, 230)", + "purple": "rgb(160, 32, 240)", + "purple1": "rgb(155, 48, 255)", + "purple2": "rgb(145, 44, 238)", + "purple3": "rgb(125, 38, 205)", + "purple4": "rgb(85, 26, 139)", + "red": "rgb(255, 0, 0)", + "red1": "rgb(255, 0, 0)", + "red2": "rgb(238, 0, 0)", + "red3": "rgb(205, 0, 0)", + "red4": "rgb(139, 0, 0)", + "rosybrown": "rgb(188, 143, 143)", + "rosybrown1": "rgb(255, 193, 193)", + "rosybrown2": "rgb(238, 180, 180)", + "rosybrown3": "rgb(205, 155, 155)", + "rosybrown4": "rgb(139, 105, 105)", + "royalblue": "rgb(65, 105, 225)", + "royalblue1": "rgb(72, 118, 255)", + "royalblue2": "rgb(67, 110, 238)", + "royalblue3": "rgb(58, 95, 205)", + "royalblue4": "rgb(39, 64, 139)", + "saddlebrown": "rgb(139, 69, 19)", + "salmon": "rgb(250, 128, 114)", + "salmon1": "rgb(255, 140, 105)", + "salmon2": "rgb(238, 130, 98)", + "salmon3": "rgb(205, 112, 84)", + "salmon4": "rgb(139, 76, 57)", + "sandybrown": "rgb(244, 164, 96)", + "seagreen": "rgb(46, 139, 87)", + "seagreen1": "rgb(84, 255, 159)", + "seagreen2": "rgb(78, 238, 148)", + "seagreen3": "rgb(67, 205, 128)", + "seagreen4": "rgb(46, 139, 87)", + "seashell": "rgb(255, 245, 238)", + "seashell1": "rgb(255, 245, 238)", + "seashell2": "rgb(238, 229, 222)", + "seashell3": "rgb(205, 197, 191)", + "seashell4": "rgb(139, 134, 130)", + "sienna": "rgb(160, 82, 45)", + "sienna1": "rgb(255, 130, 71)", + "sienna2": "rgb(238, 121, 66)", + "sienna3": "rgb(205, 104, 57)", + "sienna4": "rgb(139, 71, 38)", + "skyblue": "rgb(135, 206, 235)", + "skyblue1": "rgb(135, 206, 255)", + "skyblue2": "rgb(126, 192, 238)", + "skyblue3": "rgb(108, 166, 205)", + "skyblue4": "rgb(74, 112, 139)", + "slateblue": "rgb(106, 90, 205)", + "slateblue1": "rgb(131, 111, 255)", + "slateblue2": "rgb(122, 103, 238)", + "slateblue3": "rgb(105, 89, 205)", + "slateblue4": "rgb(71, 60, 139)", + "slategray": "rgb(112, 128, 144)", + "slategray1": "rgb(198, 226, 255)", + "slategray2": "rgb(185, 211, 238)", + "slategray3": "rgb(159, 182, 205)", + "slategray4": "rgb(108, 123, 139)", + "slategrey": "rgb(112, 128, 144)", + "snow": "rgb(255, 250, 250)", + "snow1": "rgb(255, 250, 250)", + "snow2": "rgb(238, 233, 233)", + "snow3": "rgb(205, 201, 201)", + "snow4": "rgb(139, 137, 137)", + "springgreen": "rgb(0, 255, 127)", + "springgreen1": "rgb(0, 255, 127)", + "springgreen2": "rgb(0, 238, 118)", + "springgreen3": "rgb(0, 205, 102)", + "springgreen4": "rgb(0, 139, 69)", + "steelblue": "rgb(70, 130, 180)", + "steelblue1": "rgb(99, 184, 255)", + "steelblue2": "rgb(92, 172, 238)", + "steelblue3": "rgb(79, 148, 205)", + "steelblue4": "rgb(54, 100, 139)", + "tan": "rgb(210, 180, 140)", + "tan1": "rgb(255, 165, 79)", + "tan2": "rgb(238, 154, 73)", + "tan3": "rgb(205, 133, 63)", + "tan4": "rgb(139, 90, 43)", + "thistle": "rgb(216, 191, 216)", + "thistle1": "rgb(255, 225, 255)", + "thistle2": "rgb(238, 210, 238)", + "thistle3": "rgb(205, 181, 205)", + "thistle4": "rgb(139, 123, 139)", + "tomato": "rgb(255, 99, 71)", + "tomato1": "rgb(255, 99, 71)", + "tomato2": "rgb(238, 92, 66)", + "tomato3": "rgb(205, 79, 57)", + "tomato4": "rgb(139, 54, 38)", + "turquoise": "rgb(64, 224, 208)", + "turquoise1": "rgb(0, 245, 255)", + "turquoise2": "rgb(0, 229, 238)", + "turquoise3": "rgb(0, 197, 205)", + "turquoise4": "rgb(0, 134, 139)", + "violet": "rgb(238, 130, 238)", + "violetred": "rgb(208, 32, 144)", + "violetred1": "rgb(255, 62, 150)", + "violetred2": "rgb(238, 58, 140)", + "violetred3": "rgb(205, 50, 120)", + "violetred4": "rgb(139, 34, 82)", + "wheat": "rgb(245, 222, 179)", + "wheat1": "rgb(255, 231, 186)", + "wheat2": "rgb(238, 216, 174)", + "wheat3": "rgb(205, 186, 150)", + "wheat4": "rgb(139, 126, 102)", + "white": "rgb(255, 255, 255)", + "whitesmoke": "rgb(245, 245, 245)", + "yellow": "rgb(255, 255, 0)", + "yellow1": "rgb(255, 255, 0)", + "yellow2": "rgb(238, 238, 0)", + "yellow3": "rgb(205, 205, 0)", + "yellow4": "rgb(139, 139, 0)", + "yellowgreen": "rgb(154, 205, 50)" +}; +// SOURCE FILE: libdot/js/lib_f.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Grab bag of utility functions. + */ +lib.f = {}; + +/** + * Replace variable references in a string. + * + * Variables are of the form %FUNCTION(VARNAME). FUNCTION is an optional + * escape function to apply to the value. + * + * For example + * lib.f.replaceVars("%(greeting), %encodeURIComponent(name)", + * { greeting: "Hello", + * name: "Google+" }); + * + * Will result in "Hello, Google%2B". + */ +lib.f.replaceVars = function(str, vars) { + return str.replace(/%([a-z]*)\(([^\)]+)\)/gi, function(match, fn, varname) { + if (typeof vars[varname] == 'undefined') + throw 'Unknown variable: ' + varname; + + var rv = vars[varname]; + + if (fn in lib.f.replaceVars.functions) { + rv = lib.f.replaceVars.functions[fn](rv); + } else if (fn) { + throw 'Unknown escape function: ' + fn; + } + + return rv; + }); +}; + +/** + * Functions that can be used with replaceVars. + * + * Clients can add to this list to extend lib.f.replaceVars(). + */ +lib.f.replaceVars.functions = { + encodeURI: encodeURI, + encodeURIComponent: encodeURIComponent, + escapeHTML: function(str) { + var map = { + '<': '<', + '>': '>', + '&': '&', + '"': '"', + "'": ''' + }; + + return str.replace(/[<>&\"\']/g, function(m) { return map[m] }); + } +}; + +/** + * Get the list of accepted UI languages. + * + * @param {function(Array)} callback Function to invoke with the results. The + * parameter is a list of locale names. + */ +lib.f.getAcceptLanguages = function(callback) { + if (window.chrome && chrome.i18n) { + chrome.i18n.getAcceptLanguages(callback); + } else { + setTimeout(function() { + callback([navigator.language.replace(/-/g, '_')]); + }, 0); + } +}; + +/** + * Parse a query string into a hash. + * + * This takes a url query string in the form 'name1=value&name2=value' and + * converts it into an object of the form { name1: 'value', name2: 'value' }. + * If a given name appears multiple times in the query string, only the + * last value will appear in the result. + * + * Names and values are passed through decodeURIComponent before being added + * to the result object. + * + * @param {string} queryString The string to parse. If it starts with a + * leading '?', the '?' will be ignored. + */ +lib.f.parseQuery = function(queryString) { + if (queryString.substr(0, 1) == '?') + queryString = queryString.substr(1); + + var rv = {}; + + var pairs = queryString.split('&'); + for (var i = 0; i < pairs.length; i++) { + var pair = pairs[i].split('='); + rv[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + + return rv; +}; + +lib.f.getURL = function(path) { + if (window.chrome && chrome.runtime && chrome.runtime.getURL) + return chrome.runtime.getURL(path); + + return path; +}; + +/** + * Clamp a given integer to a specified range. + * + * @param {integer} v The value to be clamped. + * @param {integer} min The minimum acceptable value. + * @param {integer} max The maximum acceptable value. + */ +lib.f.clamp = function(v, min, max) { + if (v < min) + return min; + if (v > max) + return max; + return v; +}; + +/** + * Left pad a string to a given length using a given character. + * + * @param {string} str The string to pad. + * @param {integer} length The desired length. + * @param {string} opt_ch The optional padding character, defaults to ' '. + * @return {string} The padded string. + */ +lib.f.lpad = function(str, length, opt_ch) { + str = String(str); + opt_ch = opt_ch || ' '; + + while (str.length < length) + str = opt_ch + str; + + return str; +}; + +/** + * Left pad a number to a given length with leading zeros. + * + * @param {string|integer} number The number to pad. + * @param {integer} length The desired length. + * @return {string} The padded number as a string. + */ +lib.f.zpad = function(number, length) { + return lib.f.lpad(number, length, '0'); +}; + +/** + * Return a string containing a given number of space characters. + * + * This method maintains a static cache of the largest amount of whitespace + * ever requested. It shouldn't be used to generate an insanely huge amount of + * whitespace. + * + * @param {integer} length The desired amount of whitespace. + * @param {string} A string of spaces of the requested length. + */ +lib.f.getWhitespace = function(length) { + if (length == 0) + return ''; + + var f = this.getWhitespace; + if (!f.whitespace) + f.whitespace = ' '; + + while (length > f.whitespace.length) { + f.whitespace += f.whitespace; + } + + return f.whitespace.substr(0, length); +}; + + /** + * Ensure that a function is called within a certain time limit. + * + * Simple usage looks like this... + * + * lib.registerInit(lib.f.alarm(onInit)); + * + * This will log a warning to the console if onInit() is not invoked within + * 5 seconds. + * + * If you're performing some operation that may take longer than 5 seconds you + * can pass a duration in milliseconds as the optional second parameter. + * + * If you pass a string identifier instead of a callback function, you'll get a + * wrapper generator rather than a single wrapper. Each call to the + * generator will return a wrapped version of the callback wired to + * a shared timeout. This is for cases where you want to ensure that at least + * one of a set of callbacks is invoked before a timeout expires. + * + * var alarm = lib.f.alarm('fetch object'); + * lib.foo.fetchObject(alarm(onSuccess), alarm(onFailure)); + * + * @param {function(*)} callback The function to wrap in an alarm. + * @param {int} opt_ms Optional number of milliseconds to wait before raising + * an alarm. Default is 5000 (5 seconds). + * @return {function} If callback is a function then the return value will be + * the wrapped callback. If callback is a string then the return value will + * be a function that generates new wrapped callbacks. + */ +lib.f.alarm = function(callback, opt_ms) { + var ms = opt_ms || 5 * 1000; + var stack = lib.f.getStack(1); + + return (function() { + // This outer function is called immediately. It's here to capture a new + // scope for the timeout variable. + + // The 'timeout' variable is shared by this timeout function, and the + // callback wrapper. + var timeout = setTimeout(function() { + var name = (typeof callback == 'string') ? name : callback.name; + name = name ? (': ' + name) : ''; + console.warn('lib.f.alarm: timeout expired: ' + (ms / 1000) + 's' + name); + console.log(stack); + timeout = null; + }, ms); + + var wrapperGenerator = function(callback) { + return function() { + if (timeout) { + clearTimeout(timeout); + timeout = null; + } + + return callback.apply(null, arguments); + } + }; + + if (typeof callback == 'string') + return wrapperGenerator; + + return wrapperGenerator(callback); + })(); +}; + +/** + * Return the current call stack after skipping a given number of frames. + * + * This method is intended to be used for debugging only. It returns an + * Object instead of an Array, because the console stringifies arrays by + * default and that's not what we want. + * + * A typical call might look like... + * + * console.log('Something wicked this way came', lib.f.getStack()); + * // Notice the comma ^ + * + * This would print the message to the js console, followed by an object + * which can be clicked to reveal the stack. + * + * @param {number} opt_ignoreFrames The optional number of stack frames to + * ignore. The actual 'getStack' call is always ignored. + */ +lib.f.getStack = function(opt_ignoreFrames) { + var ignoreFrames = opt_ignoreFrames ? opt_ignoreFrames + 2 : 2; + + var stackArray; + + try { + throw new Error(); + } catch (ex) { + stackArray = ex.stack.split('\n'); + } + + var stackObject = {}; + for (var i = ignoreFrames; i < stackArray.length; i++) { + stackObject[i - ignoreFrames] = stackArray[i].replace(/^\s*at\s+/, ''); + } + + return stackObject; +}; + +/** + * Divides the two numbers and floors the results, unless the remainder is less + * than an incredibly small value, in which case it returns the ceiling. + * This is useful when the number are truncated approximations of longer + * values, and so doing division with these numbers yields a result incredibly + * close to a whole number. + * + * @param {number} numerator + * @param {number} denominator + * @return {number} + */ +lib.f.smartFloorDivide = function(numerator, denominator) { + var val = numerator / denominator; + var ceiling = Math.ceil(val); + if (ceiling - val < .0001) { + return ceiling; + } else { + return Math.floor(val); + } +}; +// SOURCE FILE: libdot/js/lib_message_manager.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * MessageManager class handles internationalized strings. + * + * Note: chrome.i18n isn't sufficient because... + * 1. There's a bug in chrome that makes it unavailable in iframes: + * http://crbug.com/130200 + * 2. The client code may not be packaged in a Chrome extension. + * 3. The client code may be part of a library packaged in a third-party + * Chrome extension. + * + * @param {Array} languages List of languages to load, in the order they + * should be loaded. Newer messages replace older ones. 'en' is + * automatically added as the first language if it is not already present. + */ +lib.MessageManager = function(languages) { + this.languages_ = languages.map( + function(el) { return el.replace(/-/g, '_') }); + + if (this.languages_.indexOf('en') == -1) + this.languages_.unshift('en'); + + this.messages = {}; +}; + +/** + * Add message definitions to the message manager. + * + * This takes an object of the same format of a Chrome messages.json file. See + * . + */ +lib.MessageManager.prototype.addMessages = function(defs) { + for (var key in defs) { + var def = defs[key]; + + if (!def.placeholders) { + this.messages[key] = def.message; + } else { + // Replace "$NAME$" placeholders with "$1", etc. + this.messages[key] = def.message.replace( + /\$([a-z][^\s\$]+)\$/ig, + function(m, name) { + return defs[key].placeholders[name.toLowerCase()].content; + }); + } + } +}; + +/** + * Load the first available language message bundle. + * + * @param {string} pattern A url pattern containing a "$1" where the locale + * name should go. + * @param {function(Array,Array)} onComplete Function to be called when loading + * is complete. The two arrays are the list of successful and failed + * locale names. If the first parameter is length 0, no locales were + * loaded. + */ +lib.MessageManager.prototype.findAndLoadMessages = function( + pattern, onComplete) { + var languages = this.languages_.concat(); + var loaded = []; + var failed = []; + + function onLanguageComplete(state) { + if (state) { + loaded = languages.shift(); + } else { + failed = languages.shift(); + } + + if (languages.length) { + tryNextLanguage(); + } else { + onComplete(loaded, failed); + } + } + + var tryNextLanguage = function() { + this.loadMessages(this.replaceReferences(pattern, languages), + onLanguageComplete.bind(this, true), + onLanguageComplete.bind(this, false)); + }.bind(this); + + tryNextLanguage(); +}; + +/** + * Load messages from a messages.json file. + */ +lib.MessageManager.prototype.loadMessages = function( + url, onSuccess, opt_onError) { + var xhr = new XMLHttpRequest(); + + xhr.onloadend = function() { + if (xhr.status != 200) { + if (opt_onError) + opt_onError(xhr.status); + + return; + } + + this.addMessages(JSON.parse(xhr.responseText)); + onSuccess(); + }.bind(this); + + xhr.open('GET', url); + xhr.send(); +}; + +/** + * Replace $1...$n references with the elements of the args array. + * + * @param {string} msg String containing the message and argument references. + * @param {Array} args Array containing the argument values. + */ +lib.MessageManager.replaceReferences = function(msg, args) { + return msg.replace(/\$(\d+)/g, function (m, index) { + return args[index - 1]; + }); +}; + +/** + * Per-instance copy of replaceReferences. + */ +lib.MessageManager.prototype.replaceReferences = + lib.MessageManager.replaceReferences; + +/** + * Get a message by name, optionally replacing arguments too. + * + * @param {string} msgname String containing the name of the message to get. + * @param {Array} opt_args Optional array containing the argument values. + * @param {string} opt_default Optional value to return if the msgname is not + * found. Returns the message name by default. + */ +lib.MessageManager.prototype.get = function(msgname, opt_args, opt_default) { + var message; + + if (msgname in this.messages) { + message = this.messages[msgname]; + + } else { + if (window.chrome.i18n) + message = chrome.i18n.getMessage(msgname); + + if (!message) { + console.warn('Unknown message: ' + msgname); + return (typeof opt_default == 'undefined') ? msgname : opt_default; + } + } + + if (!opt_args) + return message; + + if (!(opt_args instanceof Array)) + opt_args = [opt_args]; + + return this.replaceReferences(message, opt_args); +}; + +/** + * Process all of the "i18n" html attributes found in a given dom fragment. + * + * Each i18n attribute should contain a JSON object. The keys are taken to + * be attribute names, and the values are message names. + * + * If the JSON object has a "_" (underscore) key, it's value is used as the + * textContent of the element. + * + * Message names can refer to other attributes on the same element with by + * prefixing with a dollar sign. For example... + * + * + * + * The aria-label message name will be computed as "SEND_BUTTON_ARIA_LABEL". + * Notice that the "id" attribute was appended to the target attribute, and + * the result converted to UPPER_AND_UNDER style. + */ +lib.MessageManager.prototype.processI18nAttributes = function(dom) { + // Convert the "lower-and-dashes" attribute names into + // "UPPER_AND_UNDER" style. + function thunk(str) { return str.replace(/-/g, '_').toUpperCase() } + + var nodes = dom.querySelectorAll('[i18n]'); + + for (var i = 0; i < nodes.length; i++) { + var node = nodes[i]; + var i18n = node.getAttribute('i18n'); + + if (!i18n) + continue; + + try { + i18n = JSON.parse(i18n); + } catch (ex) { + console.error('Can\'t parse ' + node.tagName + '#' + node.id + ': ' + + i18n); + throw ex; + } + + for (var key in i18n) { + var msgname = i18n[key]; + if (msgname.substr(0, 1) == '$') + msgname = thunk(node.getAttribute(msgname.substr(1)) + '_' + key); + + var msg = this.get(msgname); + if (key == '_') { + node.textContent = msg; + } else { + node.setAttribute(key, msg); + } + } + } +}; +// SOURCE FILE: libdot/js/lib_preference_manager.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Constructor for lib.PreferenceManager objects. + * + * These objects deal with persisting changes to stable storage and notifying + * consumers when preferences change. + * + * It is intended that the backing store could be something other than HTML5 + * storage, but there aren't any use cases at the moment. In the future there + * may be a chrome api to store sync-able name/value pairs, and we'd want + * that. + * + * @param {lib.Storage.*} storage The storage object to use as a backing + * store. + * @param {string} opt_prefix The optional prefix to be used for all preference + * names. The '/' character should be used to separate levels of heirarchy, + * if you're going to have that kind of thing. If provided, the prefix + * should start with a '/'. If not provided, it defaults to '/'. + */ +lib.PreferenceManager = function(storage, opt_prefix) { + this.storage = storage; + this.storageObserver_ = this.onStorageChange_.bind(this); + + this.isActive_ = false; + this.activate(); + + this.trace = false; + + var prefix = opt_prefix || '/'; + if (prefix.substr(prefix.length - 1) != '/') + prefix += '/'; + + this.prefix = prefix; + + this.prefRecords_ = {}; + this.globalObservers_ = []; + + this.childFactories_ = {}; + + // Map of list-name to {map of child pref managers} + // As in... + // + // this.childLists_ = { + // 'profile-ids': { + // 'one': PreferenceManager, + // 'two': PreferenceManager, + // ... + // }, + // + // 'frob-ids': { + // ... + // } + // } + this.childLists_ = {}; +}; + +/** + * Used internally to indicate that the current value of the preference should + * be taken from the default value defined with the preference. + * + * Equality tests against this value MUST use '===' or '!==' to be accurate. + */ +lib.PreferenceManager.prototype.DEFAULT_VALUE = new String('DEFAULT'); + +/** + * An individual preference. + * + * These objects are managed by the PreferenceManager, you shoudn't need to + * handle them directly. + */ +lib.PreferenceManager.Record = function(name, defaultValue) { + this.name = name; + this.defaultValue = defaultValue; + this.currentValue = this.DEFAULT_VALUE; + this.observers = []; +}; + +/** + * A local copy of the DEFAULT_VALUE constant to make it less verbose. + */ +lib.PreferenceManager.Record.prototype.DEFAULT_VALUE = + lib.PreferenceManager.prototype.DEFAULT_VALUE; + +/** + * Register a callback to be invoked when this preference changes. + * + * @param {function(value, string, lib.PreferenceManager} observer The function + * to invoke. It will receive the new value, the name of the preference, + * and a reference to the PreferenceManager as parameters. + */ +lib.PreferenceManager.Record.prototype.addObserver = function(observer) { + this.observers.push(observer); +}; + +/** + * Unregister an observer callback. + * + * @param {function} observer A previously registered callback. + */ +lib.PreferenceManager.Record.prototype.removeObserver = function(observer) { + var i = this.observers.indexOf(observer); + if (i >= 0) + this.observers.splice(i, 1); +}; + +/** + * Fetch the value of this preference. + */ +lib.PreferenceManager.Record.prototype.get = function() { + if (this.currentValue === this.DEFAULT_VALUE) { + if (/^(string|number)$/.test(typeof this.defaultValue)) + return this.defaultValue; + + if (typeof this.defaultValue == 'object') { + // We want to return a COPY of the default value so that users can + // modify the array or object without changing the default value. + return JSON.parse(JSON.stringify(this.defaultValue)); + } + + return this.defaultValue; + } + + return this.currentValue; +}; + +/** + * Stop this preference manager from tracking storage changes. + * + * Call this if you're going to swap out one preference manager for another so + * that you don't get notified about irrelevant changes. + */ +lib.PreferenceManager.prototype.deactivate = function() { + if (!this.isActive_) + throw new Error('Not activated'); + + this.isActive_ = false; + this.storage.removeObserver(this.storageObserver_); +}; + +/** + * Start tracking storage changes. + * + * If you previously deactivated this preference manager, you can reactivate it + * with this method. You don't need to call this at initialization time, as + * it's automatically called as part of the constructor. + */ +lib.PreferenceManager.prototype.activate = function() { + if (this.isActive_) + throw new Error('Already activated'); + + this.isActive_ = true; + this.storage.addObserver(this.storageObserver_); +}; + +/** + * Read the backing storage for these preferences. + * + * You should do this once at initialization time to prime the local cache + * of preference values. The preference manager will monitor the backing + * storage for changes, so you should not need to call this more than once. + * + * This function recursively reads storage for all child preference managers as + * well. + * + * This function is asynchronous, if you need to read preference values, you + * *must* wait for the callback. + * + * @param {function()} opt_callback Optional function to invoke when the read + * has completed. + */ +lib.PreferenceManager.prototype.readStorage = function(opt_callback) { + var pendingChildren = 0; + + function onChildComplete() { + if (--pendingChildren == 0 && opt_callback) + opt_callback(); + } + + var keys = Object.keys(this.prefRecords_).map( + function(el) { return this.prefix + el }.bind(this)); + + if (this.trace) + console.log('Preferences read: ' + this.prefix); + + this.storage.getItems(keys, function(items) { + var prefixLength = this.prefix.length; + + for (var key in items) { + var value = items[key]; + var name = key.substr(prefixLength); + var needSync = (name in this.childLists_ && + (JSON.stringify(value) != + JSON.stringify(this.prefRecords_[name].currentValue))); + + this.prefRecords_[name].currentValue = value; + + if (needSync) { + pendingChildren++; + this.syncChildList(name, onChildComplete); + } + } + + if (pendingChildren == 0 && opt_callback) + setTimeout(opt_callback); + }.bind(this)); +}; + +/** + * Define a preference. + * + * This registers a name, default value, and onChange handler for a preference. + * + * @param {string} name The name of the preference. This will be prefixed by + * the prefix of this PreferenceManager before written to local storage. + * @param {string|number|boolean|Object|Array|null} value The default value of + * this preference. Anything that can be represented in JSON is a valid + * default value. + * @param {function(value, string, lib.PreferenceManager} opt_observer A + * function to invoke when the preference changes. It will receive the new + * value, the name of the preference, and a reference to the + * PreferenceManager as parameters. + */ +lib.PreferenceManager.prototype.definePreference = function( + name, value, opt_onChange) { + + var record = this.prefRecords_[name]; + if (record) { + this.changeDefault(name, value); + } else { + record = this.prefRecords_[name] = + new lib.PreferenceManager.Record(name, value); + } + + if (opt_onChange) + record.addObserver(opt_onChange); +}; + +/** + * Define multiple preferences with a single function call. + * + * @param {Array} defaults An array of 3-element arrays. Each three element + * array should contain the [key, value, onChange] parameters for a + * preference. + */ +lib.PreferenceManager.prototype.definePreferences = function(defaults) { + for (var i = 0; i < defaults.length; i++) { + this.definePreference(defaults[i][0], defaults[i][1], defaults[i][2]); + } +}; + +/** + * Define an ordered list of child preferences. + * + * Child preferences are different from just storing an array of JSON objects + * in that each child is an instance of a preference manager. This means you + * can observe changes to individual child preferences, and get some validation + * that you're not reading or writing to an undefined child preference value. + * + * @param {string} listName A name for the list of children. This must be + * unique in this preference manager. The listName will become a + * preference on this PreferenceManager used to store the ordered list of + * child ids. It is also used in get/add/remove operations to identify the + * list of children to operate on. + * @param {function} childFactory A function that will be used to generate + * instances of these childred. The factory function will receive the + * parent lib.PreferenceManager object and a unique id for the new child + * preferences. + */ +lib.PreferenceManager.prototype.defineChildren = function( + listName, childFactory) { + + // Define a preference to hold the ordered list of child ids. + this.definePreference(listName, [], + this.onChildListChange_.bind(this, listName)); + this.childFactories_[listName] = childFactory; + this.childLists_[listName] = {}; +}; + +/** + * Register to observe preference changes. + * + * @param {Function} global A callback that will happen for every preference. + * Pass null if you don't need one. + * @param {Object} map A map of preference specific callbacks. Pass null if + * you don't need any. + */ +lib.PreferenceManager.prototype.addObservers = function(global, map) { + if (global && typeof global != 'function') + throw new Error('Invalid param: globals'); + + if (global) + this.globalObservers_.push(global); + + if (!map) + return; + + for (var name in map) { + if (!(name in this.prefRecords_)) + throw new Error('Unknown preference: ' + name); + + this.prefRecords_[name].addObserver(map[name]); + } +}; + +/** + * Dispatch the change observers for all known preferences. + * + * It may be useful to call this after readStorage completes, in order to + * get application state in sync with user preferences. + * + * This can be used if you've changed a preference manager out from under + * a live object, for example when switching to a different prefix. + */ +lib.PreferenceManager.prototype.notifyAll = function() { + for (var name in this.prefRecords_) { + this.notifyChange_(name); + } +}; + +/** + * Notify the change observers for a given preference. + * + * @param {string} name The name of the preference that changed. + */ +lib.PreferenceManager.prototype.notifyChange_ = function(name) { + var record = this.prefRecords_[name]; + if (!record) + throw new Error('Unknown preference: ' + name); + + var currentValue = record.get(); + + for (var i = 0; i < this.globalObservers_.length; i++) + this.globalObservers_[i](name, currentValue); + + for (var i = 0; i < record.observers.length; i++) { + record.observers[i](currentValue, name, this); + } +}; + +/** + * Create a new child PreferenceManager for the given child list. + * + * The optional hint parameter is an opaque prefix added to the auto-generated + * unique id for this child. Your child factory can parse out the prefix + * and use it. + * + * @param {string} listName The child list to create the new instance from. + * @param {string} opt_hint Optional hint to include in the child id. + * @param {string} opt_id Optional id to override the generated id. + */ +lib.PreferenceManager.prototype.createChild = function(listName, opt_hint, + opt_id) { + var ids = this.get(listName); + var id; + + if (opt_id) { + id = opt_id; + if (ids.indexOf(id) != -1) + throw new Error('Duplicate child: ' + listName + ': ' + id); + + } else { + // Pick a random, unique 4-digit hex identifier for the new profile. + while (!id || ids.indexOf(id) != -1) { + id = Math.floor(Math.random() * 0xffff + 1).toString(16); + id = lib.f.zpad(id, 4); + if (opt_hint) + id = opt_hint + ':' + id; + } + } + + var childManager = this.childFactories_[listName](this, id); + childManager.trace = this.trace; + childManager.resetAll(); + + this.childLists_[listName][id] = childManager; + + ids.push(id); + this.set(listName, ids); + + return childManager; +}; + +/** + * Remove a child preferences instance. + * + * Removes a child preference manager and clears any preferences stored in it. + * + * @param {string} listName The name of the child list containing the child to + * remove. + * @param {string} id The child ID. + */ +lib.PreferenceManager.prototype.removeChild = function(listName, id) { + var prefs = this.getChild(listName, id); + prefs.resetAll(); + + var ids = this.get(listName); + var i = ids.indexOf(id); + if (i != -1) { + ids.splice(i, 1); + this.set(listName, ids); + } + + delete this.childLists_[listName][id]; +}; + +/** + * Return a child PreferenceManager instance for a given id. + * + * If the child list or child id is not known this will return the specified + * default value or throw an exception if no default value is provided. + * + * @param {string} listName The child list to look in. + * @param {string} id The child ID. + * @param {*} opt_default The optional default value to return if the child + * is not found. + */ +lib.PreferenceManager.prototype.getChild = function(listName, id, opt_default) { + if (!(listName in this.childLists_)) + throw new Error('Unknown child list: ' + listName); + + var childList = this.childLists_[listName]; + if (!(id in childList)) { + if (typeof opt_default == 'undefined') + throw new Error('Unknown "' + listName + '" child: ' + id); + + return opt_default; + } + + return childList[id]; +}; + +/** + * Calculate the difference between two lists of child ids. + * + * Given two arrays of child ids, this function will return an object + * with "added", "removed", and "common" properties. Each property is + * a map of child-id to `true`. For example, given... + * + * a = ['child-x', 'child-y'] + * b = ['child-y'] + * + * diffChildLists(a, b) => + * { added: { 'child-x': true }, removed: {}, common: { 'child-y': true } } + * + * The added/removed properties assume that `a` is the current list. + * + * @param {Array[string]} a The most recent list of child ids. + * @param {Array[string]} b An older list of child ids. + * @return {Object} An object with added/removed/common properties. + */ +lib.PreferenceManager.diffChildLists = function(a, b) { + var rv = { + added: {}, + removed: {}, + common: {}, + }; + + for (var i = 0; i < a.length; i++) { + if (b.indexOf(a[i]) != -1) { + rv.common[a[i]] = true; + } else { + rv.added[a[i]] = true; + } + } + + for (var i = 0; i < b.length; i++) { + if ((b[i] in rv.added) || (b[i] in rv.common)) + continue; + + rv.removed[b[i]] = true; + } + + return rv; +}; + +/** + * Synchronize a list of child PreferenceManagers instances with the current + * list stored in prefs. + * + * This will instantiate any missing managers and read current preference values + * from storage. Any active managers that no longer appear in preferences will + * be deleted. + * + * @param {string} listName The child list to synchronize. + * @param {function()} opt_callback Optional function to invoke when the sync + * is complete. + */ +lib.PreferenceManager.prototype.syncChildList = function( + listName, opt_callback) { + + var pendingChildren = 0; + function onChildStorage() { + if (--pendingChildren == 0 && opt_callback) + opt_callback(); + } + + // The list of child ids that we *should* have a manager for. + var currentIds = this.get(listName); + + // The known managers at the start of the sync. Any manager still in this + // list at the end should be discarded. + var oldIds = Object.keys(this.childLists_[listName]); + + var rv = lib.PreferenceManager.diffChildLists(currentIds, oldIds); + + for (var i = 0; i < currentIds.length; i++) { + var id = currentIds[i]; + + var managerIndex = oldIds.indexOf(id); + if (managerIndex >= 0) + oldIds.splice(managerIndex, 1); + + if (!this.childLists_[listName][id]) { + var childManager = this.childFactories_[listName](this, id); + if (!childManager) { + console.warn('Unable to restore child: ' + listName + ': ' + id); + continue; + } + + childManager.trace = this.trace; + this.childLists_[listName][id] = childManager; + pendingChildren++; + childManager.readStorage(onChildStorage); + } + } + + for (var i = 0; i < oldIds.length; i++) { + delete this.childLists_[listName][oldIds[i]]; + } + + if (!pendingChildren && opt_callback) + setTimeout(opt_callback); +}; + +/** + * Reset a preference to its default state. + * + * This will dispatch the onChange handler if the preference value actually + * changes. + * + * @param {string} name The preference to reset. + */ +lib.PreferenceManager.prototype.reset = function(name) { + var record = this.prefRecords_[name]; + if (!record) + throw new Error('Unknown preference: ' + name); + + this.storage.removeItem(this.prefix + name); + + if (record.currentValue !== this.DEFAULT_VALUE) { + record.currentValue = this.DEFAULT_VALUE; + this.notifyChange_(name); + } +}; + +/** + * Reset all preferences back to their default state. + */ +lib.PreferenceManager.prototype.resetAll = function() { + var changed = []; + + for (var listName in this.childLists_) { + var childList = this.childLists_[listName]; + for (var id in childList) { + childList[id].resetAll(); + } + } + + for (var name in this.prefRecords_) { + if (this.prefRecords_[name].currentValue !== this.DEFAULT_VALUE) { + this.prefRecords_[name].currentValue = this.DEFAULT_VALUE; + changed.push(name); + } + } + + var keys = Object.keys(this.prefRecords_).map(function(el) { + return this.prefix + el; + }.bind(this)); + + this.storage.removeItems(keys); + + changed.forEach(this.notifyChange_.bind(this)); +}; + +/** + * Return true if two values should be considered not-equal. + * + * If both values are the same scalar type and compare equal this function + * returns false (no difference), otherwise return true. + * + * This is used in places where we want to check if a preference has changed. + * Rather than take the time to compare complex values we just consider them + * to always be different. + * + * @param {*} a A value to compare. + * @param {*} b A value to compare. + */ +lib.PreferenceManager.prototype.diff = function(a, b) { + // If the types are different, or the type is not a simple primitive one. + if ((typeof a) !== (typeof b) || + !(/^(undefined|boolean|number|string)$/.test(typeof a))) { + return true; + } + + return a !== b; +}; + +/** + * Change the default value of a preference. + * + * This is useful when subclassing preference managers. + * + * The function does not alter the current value of the preference, unless + * it has the old default value. When that happens, the change observers + * will be notified. + * + * @param {string} name The name of the parameter to change. + * @param {*} newValue The new default value for the preference. + */ +lib.PreferenceManager.prototype.changeDefault = function(name, newValue) { + var record = this.prefRecords_[name]; + if (!record) + throw new Error('Unknown preference: ' + name); + + if (!this.diff(record.defaultValue, newValue)) { + // Default value hasn't changed. + return; + } + + if (record.currentValue !== this.DEFAULT_VALUE) { + // This pref has a specific value, just change the default and we're done. + record.defaultValue = newValue; + return; + } + + record.defaultValue = newValue; + + this.notifyChange_(name); +}; + +/** + * Change the default value of multiple preferences. + * + * @param {Object} map A map of name -> value pairs specifying the new default + * values. + */ +lib.PreferenceManager.prototype.changeDefaults = function(map) { + for (var key in map) { + this.changeDefault(key, map[key]); + } +}; + +/** + * Set a preference to a specific value. + * + * This will dispatch the onChange handler if the preference value actually + * changes. + * + * @param {string} key The preference to set. + * @param {*} value The value to set. Anything that can be represented in + * JSON is a valid value. + */ +lib.PreferenceManager.prototype.set = function(name, newValue) { + var record = this.prefRecords_[name]; + if (!record) + throw new Error('Unknown preference: ' + name); + + var oldValue = record.get(); + + if (!this.diff(oldValue, newValue)) + return; + + if (this.diff(record.defaultValue, newValue)) { + record.currentValue = newValue; + this.storage.setItem(this.prefix + name, newValue); + } else { + record.currentValue = this.DEFAULT_VALUE; + this.storage.removeItem(this.prefix + name); + } + + // We need to manually send out the notification on this instance. If we + // The storage event won't fire a notification because we've already changed + // the currentValue, so it won't see a difference. If we delayed changing + // currentValue until the storage event, a pref read immediately after a write + // would return the previous value. + // + // The notification is in a timeout so clients don't accidentally depend on + // a synchronous notification. + setTimeout(this.notifyChange_.bind(this, name), 0); +}; + +/** + * Get the value of a preference. + * + * @param {string} key The preference to get. + */ +lib.PreferenceManager.prototype.get = function(name) { + var record = this.prefRecords_[name]; + if (!record) + throw new Error('Unknown preference: ' + name); + + return record.get(); +}; + +/** + * Return all non-default preferences as a JSON onject. + * + * This includes any nested preference managers as well. + */ +lib.PreferenceManager.prototype.exportAsJson = function() { + var rv = {}; + + for (var name in this.prefRecords_) { + if (name in this.childLists_) { + rv[name] = []; + var childIds = this.get(name); + for (var i = 0; i < childIds.length; i++) { + var id = childIds[i]; + rv[name].push({id: id, json: this.getChild(name, id).exportAsJson()}); + } + + } else { + var record = this.prefRecords_[name]; + if (record.currentValue != this.DEFAULT_VALUE) + rv[name] = record.currentValue; + } + } + + return rv; +}; + +/** + * Import a JSON blob of preferences previously generated with exportAsJson. + * + * This will create nested preference managers as well. + */ +lib.PreferenceManager.prototype.importFromJson = function(json) { + for (var name in json) { + if (name in this.childLists_) { + var childList = json[name]; + for (var i = 0; i < childList.length; i++) { + var id = childList[i].id; + + var childPrefManager = this.childLists_[name][id]; + if (!childPrefManager) + childPrefManager = this.createChild(name, null, id); + + childPrefManager.importFromJson(childList[i].json); + } + + } else { + this.set(name, json[name]); + } + } +}; + +/** + * Called when one of the child list preferences changes. + */ +lib.PreferenceManager.prototype.onChildListChange_ = function(listName) { + this.syncChildList(listName); +}; + +/** + * Called when a key in the storage changes. + */ +lib.PreferenceManager.prototype.onStorageChange_ = function(map) { + for (var key in map) { + if (this.prefix) { + if (key.lastIndexOf(this.prefix, 0) != 0) + continue; + } + + var name = key.substr(this.prefix.length); + + if (!(name in this.prefRecords_)) { + // Sometimes we'll get notified about prefs that are no longer defined. + continue; + } + + var record = this.prefRecords_[name]; + + var newValue = map[key].newValue; + var currentValue = record.currentValue; + if (currentValue === record.DEFAULT_VALUE) + currentValue = (void 0); + + if (this.diff(currentValue, newValue)) { + if (typeof newValue == 'undefined') { + record.currentValue = record.DEFAULT_VALUE; + } else { + record.currentValue = newValue; + } + + this.notifyChange_(name); + } + } +}; +// SOURCE FILE: libdot/js/lib_resource.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Storage for canned resources. + * + * These are usually non-JavaScript things that are collected during a build + * step and converted into a series of 'lib.resource.add(...)' calls. See + * the "@resource" directive from libdot/bin/concat.sh for the canonical use + * case. + * + * This is global storage, so you should prefix your resource names to avoid + * collisions. + */ +lib.resource = { + resources_: {} +}; + +/** + * Add a resource. + * + * @param {string} name A name for the resource. You should prefix this to + * avoid collisions with resources from a shared library. + * @param {string} type A mime type for the resource, or "raw" if not + * applicable. + * @param {*} data The value of the resource. + */ +lib.resource.add = function(name, type, data) { + lib.resource.resources_[name] = { + type: type, + name: name, + data: data + }; +}; + +/** + * Retrieve a resource record. + * + * The resource data is stored on the "data" property of the returned object. + * + * @param {string} name The name of the resource to get. + * @param {*} opt_defaultValue The optional value to return if the resource is + * not defined. + * @return {object} An object with "type", "name", and "data" properties. + */ +lib.resource.get = function(name, opt_defaultValue) { + if (!(name in lib.resource.resources_)) { + if (typeof opt_defaultValue == 'undefined') + throw 'Unknown resource: ' + name; + + return opt_defaultValue; + } + + return lib.resource.resources_[name]; +}; + +/** + * Retrieve resource data. + * + * @param {string} name The name of the resource to get. + * @param {*} opt_defaultValue The optional value to return if the resource is + * not defined. + * @return {*} The resource data. + */ +lib.resource.getData = function(name, opt_defaultValue) { + if (!(name in lib.resource.resources_)) { + if (typeof opt_defaultValue == 'undefined') + throw 'Unknown resource: ' + name; + + return opt_defaultValue; + } + + return lib.resource.resources_[name].data; +}; + +/** + * Retrieve resource as a data: url. + * + * @param {string} name The name of the resource to get. + * @param {*} opt_defaultValue The optional value to return if the resource is + * not defined. + * @return {*} A data: url encoded version of the resource. + */ +lib.resource.getDataUrl = function(name, opt_defaultValue) { + var resource = lib.resource.get(name, opt_defaultValue); + return 'data:' + resource.type + ',' + resource.data; +}; +// SOURCE FILE: libdot/js/lib_storage.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Namespace for implementations of persistent, possibly cloud-backed + * storage. + */ +lib.Storage = new Object(); +// SOURCE FILE: libdot/js/lib_storage_chrome.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * chrome.storage based class with an async interface that is interchangeable + * with other lib.Storage.* implementations. + */ +lib.Storage.Chrome = function(storage) { + this.storage_ = storage; + this.observers_ = []; + + chrome.storage.onChanged.addListener(this.onChanged_.bind(this)); +}; + +/** + * Called by the storage implementation when the storage is modified. + */ +lib.Storage.Chrome.prototype.onChanged_ = function(changes, areaname) { + if (chrome.storage[areaname] != this.storage_) + return; + + for (var i = 0; i < this.observers_.length; i++) { + this.observers_[i](changes); + } +}; + +/** + * Register a function to observe storage changes. + * + * @param {function(map)} callback The function to invoke when the storage + * changes. + */ +lib.Storage.Chrome.prototype.addObserver = function(callback) { + this.observers_.push(callback); +}; + +/** + * Unregister a change observer. + * + * @param {function} observer A previously registered callback. + */ +lib.Storage.Chrome.prototype.removeObserver = function(callback) { + var i = this.observers_.indexOf(callback); + if (i != -1) + this.observers_.splice(i, 1); +}; + +/** + * Delete everything in this storage. + * + * @param {function(map)} callback The function to invoke when the delete + * has completed. + */ +lib.Storage.Chrome.prototype.clear = function(opt_callback) { + this.storage_.clear(); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Return the current value of a storage item. + * + * @param {string} key The key to look up. + * @param {function(value) callback The function to invoke when the value has + * been retrieved. + */ +lib.Storage.Chrome.prototype.getItem = function(key, callback) { + this.storage_.get(key, callback); +}; +/** + * Fetch the values of multiple storage items. + * + * @param {Array} keys The keys to look up. + * @param {function(map) callback The function to invoke when the values have + * been retrieved. + */ + +lib.Storage.Chrome.prototype.getItems = function(keys, callback) { + this.storage_.get(keys, callback); +}; + +/** + * Set a value in storage. + * + * @param {string} key The key for the value to be stored. + * @param {*} value The value to be stored. Anything that can be serialized + * with JSON is acceptable. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Chrome.prototype.setItem = function(key, value, opt_callback) { + var obj = {}; + obj[key] = value; + this.storage_.set(obj, opt_callback); +}; + +/** + * Set multiple values in storage. + * + * @param {Object} map A map of key/values to set in storage. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Chrome.prototype.setItems = function(obj, opt_callback) { + this.storage_.set(obj, opt_callback); +}; + +/** + * Remove an item from storage. + * + * @param {string} key The key to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Chrome.prototype.removeItem = function(key, opt_callback) { + this.storage_.remove(key, opt_callback); +}; + +/** + * Remove multiple items from storage. + * + * @param {Array} keys The keys to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Chrome.prototype.removeItems = function(keys, opt_callback) { + this.storage_.remove(keys, opt_callback); +}; +// SOURCE FILE: libdot/js/lib_storage_local.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * window.localStorage based class with an async interface that is + * interchangeable with other lib.Storage.* implementations. + */ +lib.Storage.Local = function() { + this.observers_ = []; + this.storage_ = window.localStorage; + window.addEventListener('storage', this.onStorage_.bind(this)); +}; + +/** + * Called by the storage implementation when the storage is modified. + */ +lib.Storage.Local.prototype.onStorage_ = function(e) { + if (e.storageArea != this.storage_) + return; + + // IE throws an exception if JSON.parse is given an empty string. + var prevValue = e.oldValue ? JSON.parse(e.oldValue) : ""; + var curValue = e.newValue ? JSON.parse(e.newValue) : ""; + var o = {}; + o[e.key] = { + oldValue: prevValue, + newValue: curValue + }; + + for (var i = 0; i < this.observers_.length; i++) { + this.observers_[i](o); + } +}; + +/** + * Register a function to observe storage changes. + * + * @param {function(map)} callback The function to invoke when the storage + * changes. + */ +lib.Storage.Local.prototype.addObserver = function(callback) { + this.observers_.push(callback); +}; + +/** + * Unregister a change observer. + * + * @param {function} observer A previously registered callback. + */ +lib.Storage.Local.prototype.removeObserver = function(callback) { + var i = this.observers_.indexOf(callback); + if (i != -1) + this.observers_.splice(i, 1); +}; + +/** + * Delete everything in this storage. + * + * @param {function(map)} callback The function to invoke when the delete + * has completed. + */ +lib.Storage.Local.prototype.clear = function(opt_callback) { + this.storage_.clear(); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Return the current value of a storage item. + * + * @param {string} key The key to look up. + * @param {function(value) callback The function to invoke when the value has + * been retrieved. + */ +lib.Storage.Local.prototype.getItem = function(key, callback) { + var value = this.storage_.getItem(key); + + if (typeof value == 'string') { + try { + value = JSON.parse(value); + } catch (e) { + // If we can't parse the value, just return it unparsed. + } + } + + setTimeout(callback.bind(null, value), 0); +}; + +/** + * Fetch the values of multiple storage items. + * + * @param {Array} keys The keys to look up. + * @param {function(map) callback The function to invoke when the values have + * been retrieved. + */ +lib.Storage.Local.prototype.getItems = function(keys, callback) { + var rv = {}; + + for (var i = keys.length - 1; i >= 0; i--) { + var key = keys[i]; + var value = this.storage_.getItem(key); + if (typeof value == 'string') { + try { + rv[key] = JSON.parse(value); + } catch (e) { + // If we can't parse the value, just return it unparsed. + rv[key] = value; + } + } else { + keys.splice(i, 1); + } + } + + setTimeout(callback.bind(null, rv), 0); +}; + +/** + * Set a value in storage. + * + * @param {string} key The key for the value to be stored. + * @param {*} value The value to be stored. Anything that can be serialized + * with JSON is acceptable. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Local.prototype.setItem = function(key, value, opt_callback) { + this.storage_.setItem(key, JSON.stringify(value)); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Set multiple values in storage. + * + * @param {Object} map A map of key/values to set in storage. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Local.prototype.setItems = function(obj, opt_callback) { + for (var key in obj) { + this.storage_.setItem(key, JSON.stringify(obj[key])); + } + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Remove an item from storage. + * + * @param {string} key The key to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Local.prototype.removeItem = function(key, opt_callback) { + this.storage_.removeItem(key); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Remove multiple items from storage. + * + * @param {Array} keys The keys to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Local.prototype.removeItems = function(ary, opt_callback) { + for (var i = 0; i < ary.length; i++) { + this.storage_.removeItem(ary[i]); + } + + if (opt_callback) + setTimeout(opt_callback, 0); +}; +// SOURCE FILE: libdot/js/lib_storage_memory.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * In-memory storage class with an async interface that is interchangeable with + * other lib.Storage.* implementations. + */ +lib.Storage.Memory = function() { + this.observers_ = []; + this.storage_ = {}; +}; + +/** + * Register a function to observe storage changes. + * + * @param {function(map)} callback The function to invoke when the storage + * changes. + */ +lib.Storage.Memory.prototype.addObserver = function(callback) { + this.observers_.push(callback); +}; + +/** + * Unregister a change observer. + * + * @param {function} observer A previously registered callback. + */ +lib.Storage.Memory.prototype.removeObserver = function(callback) { + var i = this.observers_.indexOf(callback); + if (i != -1) + this.observers_.splice(i, 1); +}; + +/** + * Delete everything in this storage. + * + * @param {function(map)} callback The function to invoke when the delete + * has completed. + */ +lib.Storage.Memory.prototype.clear = function(opt_callback) { + var e = {}; + for (var key in this.storage_) { + e[key] = {oldValue: this.storage_[key], newValue: (void 0)}; + } + + this.storage_ = {}; + + setTimeout(function() { + for (var i = 0; i < this.observers_.length; i++) { + this.observers_[i](e); + } + }.bind(this), 0); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Return the current value of a storage item. + * + * @param {string} key The key to look up. + * @param {function(value) callback The function to invoke when the value has + * been retrieved. + */ +lib.Storage.Memory.prototype.getItem = function(key, callback) { + var value = this.storage_[key]; + + if (typeof value == 'string') { + try { + value = JSON.parse(value); + } catch (e) { + // If we can't parse the value, just return it unparsed. + } + } + + setTimeout(callback.bind(null, value), 0); +}; + +/** + * Fetch the values of multiple storage items. + * + * @param {Array} keys The keys to look up. + * @param {function(map) callback The function to invoke when the values have + * been retrieved. + */ +lib.Storage.Memory.prototype.getItems = function(keys, callback) { + var rv = {}; + + for (var i = keys.length - 1; i >= 0; i--) { + var key = keys[i]; + var value = this.storage_[key]; + if (typeof value == 'string') { + try { + rv[key] = JSON.parse(value); + } catch (e) { + // If we can't parse the value, just return it unparsed. + rv[key] = value; + } + } else { + keys.splice(i, 1); + } + } + + setTimeout(callback.bind(null, rv), 0); +}; + +/** + * Set a value in storage. + * + * @param {string} key The key for the value to be stored. + * @param {*} value The value to be stored. Anything that can be serialized + * with JSON is acceptable. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Memory.prototype.setItem = function(key, value, opt_callback) { + var oldValue = this.storage_[key]; + this.storage_[key] = JSON.stringify(value); + + var e = {}; + e[key] = {oldValue: oldValue, newValue: value}; + + setTimeout(function() { + for (var i = 0; i < this.observers_.length; i++) { + this.observers_[i](e); + } + }.bind(this), 0); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Set multiple values in storage. + * + * @param {Object} map A map of key/values to set in storage. + * @param {function()} opt_callback Optional function to invoke when the + * set is complete. You don't have to wait for the set to complete in order + * to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Memory.prototype.setItems = function(obj, opt_callback) { + var e = {}; + + for (var key in obj) { + e[key] = {oldValue: this.storage_[key], newValue: obj[key]}; + this.storage_[key] = JSON.stringify(obj[key]); + } + + setTimeout(function() { + for (var i = 0; i < this.observers_.length; i++) { + this.observers_[i](e); + } + }.bind(this)); + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Remove an item from storage. + * + * @param {string} key The key to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Memory.prototype.removeItem = function(key, opt_callback) { + delete this.storage_[key]; + + if (opt_callback) + setTimeout(opt_callback, 0); +}; + +/** + * Remove multiple items from storage. + * + * @param {Array} keys The keys to be removed. + * @param {function()} opt_callback Optional function to invoke when the + * remove is complete. You don't have to wait for the set to complete in + * order to read the value, since the local cache is updated synchronously. + */ +lib.Storage.Memory.prototype.removeItems = function(ary, opt_callback) { + for (var i = 0; i < ary.length; i++) { + delete this.storage_[ary[i]]; + } + + if (opt_callback) + setTimeout(opt_callback, 0); +}; +// SOURCE FILE: libdot/js/lib_test_manager.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * @fileoverview JavaScript unit testing framework for synchronous and + * asynchronous tests. + * + * This file contains the lib.TestManager and related classes. At the moment + * it's all collected in a single file since it's reasonably small + * (=~1k lines), and it's a lot easier to include one file into your test + * harness than it is to include seven. + * + * The following classes are defined... + * + * lib.TestManager - The root class and entrypoint for creating test runs. + * lib.TestManager.Log - Logging service. + * lib.TestManager.Suite - A collection of tests. + * lib.TestManager.Test - A single test. + * lib.TestManager.TestRun - Manages the execution of a set of tests. + * lib.TestManager.Result - A single test result. + */ + +/** + * Root object in the unit test heirarchy, and keeper of the log object. + * + * @param {lib.TestManager.Log} opt_log Optional lib.TestManager.Log object. + * Logs to the JavaScript console if ommitted. + */ +lib.TestManager = function(opt_log) { + this.log = opt_log || new lib.TestManager.Log(); +} + +/** + * Create a new test run object for this test manager. + * + * @param {Object} opt_cx An object to be passed to test suite setup(), + * preamble(), and test cases during this test run. This object is opaque + * to lib.TestManager.* code. It's entirely up to the test suite what it's + * used for. + */ +lib.TestManager.prototype.createTestRun = function(opt_cx) { + return new lib.TestManager.TestRun(this, opt_cx); +}; + +/** + * Called when a test run associated with this test manager completes. + * + * Clients may override this to call an appropriate function. + */ +lib.TestManager.prototype.onTestRunComplete = function(testRun) {}; + +/** + * Destination for test case output. + * + * @param {function(string)} opt_logFunction Optional function to call to + * write a string to the log. If ommitted, console.log is used. + */ +lib.TestManager.Log = function(opt_logFunction) { + this.logFunction_ = opt_logFunction || function(s) { console.log(s) }; + this.pending_ = ''; + this.prefix_ = ''; + this.prefixStack_ = []; +}; + +/** + * Add a prefix to log messages. + * + * This only affects log messages that are added after the prefix is pushed. + * + * @param {string} str The prefix to prepend to future log messages. + */ +lib.TestManager.Log.prototype.pushPrefix = function(str) { + this.prefixStack_.push(str); + this.prefix_ = this.prefixStack_.join(''); +}; + +/** + * Remove the most recently added message prefix. + */ +lib.TestManager.Log.prototype.popPrefix = function() { + this.prefixStack_.pop(); + this.prefix_ = this.prefixStack_.join(''); +}; + +/** + * Queue up a string to print to the log. + * + * If a line is already pending, this string is added to it. + * + * The string is not actually printed to the log until flush() or println() + * is called. The following call sequence will result in TWO lines in the + * log... + * + * log.print('hello'); + * log.print(' '); + * log.println('world'); + * + * While a typical stream-like thing would result in 'hello world\n', this one + * results in 'hello \nworld\n'. + * + * @param {string} str The string to add to the log. + */ +lib.TestManager.Log.prototype.print = function(str) { + if (this.pending_) { + this.pending_ += str; + } else { + this.pending_ = this.prefix_ + str; + } +}; + +/** + * Print a line to the log and flush it immediately. + * + * @param {string} str The string to add to the log. + */ +lib.TestManager.Log.prototype.println = function(str) { + if (this.pending_) + this.flush(); + + this.logFunction_(this.prefix_ + str); +}; + +/** + * Flush any pending log message. + */ +lib.TestManager.Log.prototype.flush = function() { + if (!this.pending_) + return; + + this.logFunction_(this.pending_); + this.pending_ = ''; +}; + +/** + * Returns a new constructor function that will inherit from + * lib.TestManager.Suite. + * + * Use this function to create a new test suite subclass. It will return a + * properly initialized constructor function for the subclass. You can then + * override the setup() and preamble() methods if necessary and add test cases + * to the subclass. + * + * var MyTests = new lib.TestManager.Suite('MyTests'); + * + * MyTests.prototype.setup = function(cx) { + * // Sets this.size to cx.size if it exists, or the default value of 10 + * // if not. + * this.setDefault(cx, {size: 10}); + * }; + * + * MyTests.prototype.preamble = function(result, cx) { + * // Some tests (even successful ones) may side-effect this list, so + * // recreate it before every test. + * this.list = []; + * for (var i = 0; i < this.size; i++) { + * this.list[i] = i; + * } + * }; + * + * // Basic synchronous test case. + * MyTests.addTest('pop-length', function(result, cx) { + * this.list.pop(); + * + * // If this assertion fails, the testcase will stop here. + * result.assertEQ(this.list.length, this.size - 1); + * + * // A test must indicate it has passed by calling this method. + * result.pass(); + * }); + * + * // Sample asynchronous test case. + * MyTests.addTest('async-pop-length', function(result, cx) { + * var self = this; + * + * var callback = function() { + * result.assertEQ(self.list.length, self.size - 1); + * result.pass(); + * }; + * + * // Wait 100ms to check the array length for the sake of this example. + * setTimeout(callback, 100); + * + * this.list.pop(); + * + * // Indicate that this test needs another 200ms to complete. + * // If the test does not report pass/fail by then, it is considered to + * // have timed out. + * result.requestTime(200); + * }); + * + * ... + * + * @param {string} suiteName The name of the test suite. + */ +lib.TestManager.Suite = function(suiteName) { + function ctor(testManager, cx) { + this.testManager_ = testManager; + this.suiteName = suiteName; + + this.setup(cx); + } + + ctor.suiteName = suiteName; + ctor.addTest = lib.TestManager.Suite.addTest; + ctor.disableTest = lib.TestManager.Suite.disableTest; + ctor.getTest = lib.TestManager.Suite.getTest; + ctor.getTestList = lib.TestManager.Suite.getTestList; + ctor.testList_ = []; + ctor.testMap_ = {}; + ctor.prototype = { __proto__: lib.TestManager.Suite.prototype }; + + lib.TestManager.Suite.subclasses.push(ctor); + + return ctor; +}; + +/** + * List of lib.TestManager.Suite subclasses, in the order they were defined. + */ +lib.TestManager.Suite.subclasses = []; + +/** + * Add a test to a lib.TestManager.Suite. + * + * This method is copied to new subclasses when they are created. + */ +lib.TestManager.Suite.addTest = function(testName, testFunction) { + if (testName in this.testMap_) + throw 'Duplicate test name: ' + testName; + + var test = new lib.TestManager.Test(this, testName, testFunction); + this.testMap_[testName] = test; + this.testList_.push(test); +}; + +/** + * Defines a disabled test. + */ +lib.TestManager.Suite.disableTest = function(testName, testFunction) { + if (testName in this.testMap_) + throw 'Duplicate test name: ' + testName; + + var test = new lib.TestManager.Test(this, testName, testFunction); + console.log('Disabled test: ' + test.fullName); +}; + +/** + * Get a lib.TestManager.Test instance by name. + * + * This method is copied to new subclasses when they are created. + * + * @param {string} testName The name of the desired test. + * @return {lib.TestManager.Test} The requested test, or undefined if it was not + * found. + */ +lib.TestManager.Suite.getTest = function(testName) { + return this.testMap_[testName]; +}; + +/** + * Get an array of lib.TestManager.Tests associated with this Suite. + * + * This method is copied to new subclasses when they are created. + */ +lib.TestManager.Suite.getTestList = function() { + return this.testList_; +}; + +/** + * Set properties on a test suite instance, pulling the property value from + * the context if it exists and from the defaults dictionary if not. + * + * This is intended to be used in your test suite's setup() method to + * define parameters for the test suite which may be overridden through the + * context object. For example... + * + * MySuite.prototype.setup = function(cx) { + * this.setDefaults(cx, {size: 10}); + * }; + * + * If the context object has a 'size' property then this.size will be set to + * the value of cx.size, otherwise this.size will get a default value of 10. + * + * @param {Object} cx The context object for a test run. + * @param {Object} defaults An object containing name/value pairs to set on + * this test suite instance. The value listed here will be used if the + * name is not defined on the context object. + */ +lib.TestManager.Suite.prototype.setDefaults = function(cx, defaults) { + for (var k in defaults) { + this[k] = (k in cx) ? cx[k] : defaults[k]; + } +}; + +/** + * Subclassable method called to set up the test suite. + * + * The default implementation of this method is a no-op. If your test suite + * requires some kind of suite-wide setup, this is the place to do it. + * + * It's fine to store state on the test suite instance, that state will be + * accessible to all tests in the suite. If any test case fails, the entire + * test suite object will be discarded and a new one will be created for + * the remaining tests. + * + * Any side effects outside of this test suite instance must be idempotent. + * For example, if you're adding DOM nodes to a document, make sure to first + * test that they're not already there. If they are, remove them rather than + * reuse them. You should not count on their state, since they were probably + * left behind by a failed testcase. + * + * Any exception here will abort the remainder of the test run. + * + * @param {Object} cx The context object for a test run. + */ +lib.TestManager.Suite.prototype.setup = function(cx) {}; + +/** + * Subclassable method called to do pre-test set up. + * + * The default implementation of this method is a no-op. If your test suite + * requires some kind of pre-test setup, this is the place to do it. + * + * This can be used to avoid a bunch of boilerplate setup/teardown code in + * this suite's testcases. + * + * Any exception here will abort the remainder of the test run. + * + * @param {lib.TestManager.Result} result The result object for the upcoming + * test. + * @param {Object} cx The context object for a test run. + */ +lib.TestManager.Suite.prototype.preamble = function(result, cx) {}; + +/** + * Subclassable method called to do post-test tear-down. + * + * The default implementation of this method is a no-op. If your test suite + * requires some kind of pre-test setup, this is the place to do it. + * + * This can be used to avoid a bunch of boilerplate setup/teardown code in + * this suite's testcases. + * + * Any exception here will abort the remainder of the test run. + * + * @param {lib.TestManager.Result} result The result object for the upcoming + * test. + * @param {Object} cx The context object for a test run. + */ +lib.TestManager.Suite.prototype.postamble = function(result, cx) {}; + +/** + * Object representing a single test in a test suite. + * + * These are created as part of the lib.TestManager.Suite.addTest() method. + * You should never have to construct one by hand. + * + * @param {lib.TestManager.Suite} suiteClass The test suite class containing + * this test. + * @param {string} testName The local name of this test case, not including the + * test suite name. + * @param {function(lib.TestManager.Result, Object)} testFunction The function + * to invoke for this test case. This is passed a Result instance and the + * context object associated with the test run. + * + */ +lib.TestManager.Test = function(suiteClass, testName, testFunction) { + /** + * The test suite class containing this function. + */ + this.suiteClass = suiteClass; + + /** + * The local name of this test, not including the test suite name. + */ + this.testName = testName; + + /** + * The global name of this test, including the test suite name. + */ + this.fullName = suiteClass.suiteName + '[' + testName + ']'; + + // The function to call for this test. + this.testFunction_ = testFunction; +}; + +/** + * Execute this test. + * + * This is called by a lib.TestManager.Result instance, as part of a + * lib.TestManager.TestRun. You should not call it by hand. + * + * @param {lib.TestManager.Result} result The result object for the test. + */ +lib.TestManager.Test.prototype.run = function(result) { + try { + // Tests are applied to the parent lib.TestManager.Suite subclass. + this.testFunction_.apply(result.suite, + [result, result.testRun.cx]); + } catch (ex) { + if (ex instanceof lib.TestManager.Result.TestComplete) + return; + + result.println('Test raised an exception: ' + ex); + + if (ex.stack) { + if (ex.stack instanceof Array) { + result.println(ex.stack.join('\n')); + } else { + result.println(ex.stack); + } + } + + result.completeTest_(result.FAILED, false); + } +}; + +/** + * Used to choose a set of tests and run them. + * + * It's slightly more convenient to construct one of these from + * lib.TestManager.prototype.createTestRun(). + * + * @param {lib.TestManager} testManager The testManager associated with this + * TestRun. + * @param {Object} cx A context to be passed into the tests. This can be used + * to set parameters for the test suite or individual test cases. + */ +lib.TestManager.TestRun = function(testManager, cx) { + /** + * The associated lib.TestManager instance. + */ + this.testManager = testManager; + + /** + * Shortcut to the lib.TestManager's log. + */ + this.log = testManager.log; + + /** + * The test run context. It's entirely up to the test suite and test cases + * how this is used. It is opaque to lib.TestManager.* classes. + */ + this.cx = cx || {}; + + /** + * The list of test cases that encountered failures. + */ + this.failures = []; + + /** + * The list of test cases that passed. + */ + this.passes = []; + + /** + * The time the test run started, or null if it hasn't been started yet. + */ + this.startDate = null; + + /** + * The time in milliseconds that the test run took to complete, or null if + * it hasn't completed yet. + */ + this.duration = null; + + /** + * The most recent result object, or null if the test run hasn't started + * yet. In order to detect late failures, this is not cleared when the test + * completes. + */ + this.currentResult = null; + + /** + * Number of maximum failures. The test run will stop when this number is + * reached. If 0 or ommitted, the entire set of selected tests is run, even + * if some fail. + */ + this.maxFailures = 0; + + /** + * True if this test run ended early because of an unexpected condition. + */ + this.panic = false; + + // List of pending test cases. + this.testQueue_ = []; + +}; + +/** + * This value can be passed to select() to indicate that all tests should + * be selected. + */ +lib.TestManager.TestRun.prototype.ALL_TESTS = new String(''); + +/** + * Add a single test to the test run. + */ +lib.TestManager.TestRun.prototype.selectTest = function(test) { + this.testQueue_.push(test); +}; + +lib.TestManager.TestRun.prototype.selectSuite = function( + suiteClass, opt_pattern) { + var pattern = opt_pattern || this.ALL_TESTS; + var selectCount = 0; + var testList = suiteClass.getTestList(); + + for (var j = 0; j < testList.length; j++) { + var test = testList[j]; + // Note that we're using "!==" rather than "!=" so that we're matching + // the ALL_TESTS String object, rather than the contents of the string. + if (pattern !== this.ALL_TESTS) { + if (pattern instanceof RegExp) { + if (!pattern.test(test.testName)) + continue; + } else if (test.testName != pattern) { + continue; + } + } + + this.selectTest(test); + selectCount++; + } + + return selectCount; +}; + +/** + * Selects one or more tests to gather results for. + * + * Selecting the same test more than once is allowed. + * + * @param {string|RegExp} pattern Pattern used to select tests. + * If TestRun.prototype.ALL_TESTS, all tests are selected. + * If a string, only the test that exactly matches is selected. + * If a RegExp, only tests matching the RegExp are added. + * + * @return {int} The number of additional tests that have been selected into + * this TestRun. + */ +lib.TestManager.TestRun.prototype.selectPattern = function(pattern) { + var selectCount = 0; + + for (var i = 0; i < lib.TestManager.Suite.subclasses.length; i++) { + selectCount += this.selectSuite(lib.TestManager.Suite.subclasses[i], + pattern); + } + + if (!selectCount) { + this.log.println('No tests matched selection criteria: ' + pattern); + } + + return selectCount; +}; + +/** + * Hooked up to window.onerror during a test run in order to catch exceptions + * that would otherwise go uncaught. + */ +lib.TestManager.TestRun.prototype.onUncaughtException_ = function( + message, file, line) { + + if (message.indexOf('Uncaught lib.TestManager.Result.TestComplete') == 0 || + message.indexOf('status: passed') != -1) { + // This is a result.pass() or result.fail() call from a callback. We're + // already going to deal with it as part of the completeTest_() call + // that raised it. We can safely squelch this error message. + return true; + } + + if (!this.currentResult) + return; + + if (message == 'Uncaught ' + this.currentResult.expectedErrorMessage_) { + // Test cases may need to raise an unhandled exception as part of the test. + return; + } + + var when = 'during'; + + if (this.currentResult.status != this.currentResult.PENDING) + when = 'after'; + + this.log.println('Uncaught exception ' + when + ' test case: ' + + this.currentResult.test.fullName); + this.log.println(message + ', ' + file + ':' + line); + + this.currentResult.completeTest_(this.currentResult.FAILED, false); + + return false; +}; + +/** + * Called to when this test run has completed. + * + * This method typically re-runs itself asynchronously, in order to let the + * DOM stabilize and short-term timeouts to complete before declaring the + * test run complete. + * + * @param {boolean} opt_skipTimeout If true, the timeout is skipped and the + * test run is completed immediately. This should only be used from within + * this function. + */ +lib.TestManager.TestRun.prototype.onTestRunComplete_ = function( + opt_skipTimeout) { + if (!opt_skipTimeout) { + // The final test may have left a lingering setTimeout(..., 0), or maybe + // poked at the DOM in a way that will trigger a event to fire at the end + // of this stack, so we give things a chance to settle down before our + // final cleanup... + setTimeout(this.onTestRunComplete_.bind(this), 0, true); + return; + } + + this.duration = (new Date()) - this.startDate; + + this.log.popPrefix(); + this.log.println('} ' + this.passes.length + ' passed, ' + + this.failures.length + ' failed, ' + + this.msToSeconds_(this.duration)); + this.log.println(''); + + this.summarize(); + + window.onerror = null; + + this.testManager.onTestRunComplete(this); +}; + +/** + * Called by the lib.TestManager.Result object when a test completes. + * + * @param {lib.TestManager.Result} result The result object which has just + * completed. + */ +lib.TestManager.TestRun.prototype.onResultComplete = function(result) { + try { + result.suite.postamble(); + } catch (ex) { + this.log.println('Unexpected exception in postamble: ' + + (ex.stack ? ex.stack : ex)); + this.panic = true; + } + + this.log.popPrefix(); + this.log.print('} ' + result.status + ', ' + + this.msToSeconds_(result.duration)); + this.log.flush(); + + if (result.status == result.FAILED) { + this.failures.push(result); + this.currentSuite = null; + } else if (result.status == result.PASSED) { + this.passes.push(result); + } else { + this.log.println('Unknown result status: ' + result.test.fullName + ': ' + + result.status); + return this.panic = true; + } + + this.runNextTest_(); +}; + +/** + * Called by the lib.TestManager.Result object when a test which has already + * completed reports another completion. + * + * This is usually indicative of a buggy testcase. It is probably reporting a + * result on exit and then again from an asynchronous callback. + * + * It may also be the case that the last act of the testcase causes a DOM change + * which triggers some event to run after the test returns. If the event + * handler reports a failure or raises an uncaught exception, the test will + * fail even though it has already completed. + * + * In any case, re-completing a test ALWAYS moves it into the failure pile. + * + * @param {lib.TestManager.Result} result The result object which has just + * completed. + * @param {string} lateStatus The status that the test attempted to record this + * time around. + */ +lib.TestManager.TestRun.prototype.onResultReComplete = function( + result, lateStatus) { + this.log.println('Late complete for test: ' + result.test.fullName + ': ' + + lateStatus); + + // Consider any late completion a failure, even if it's a double-pass, since + // it's a misuse of the testing API. + var index = this.passes.indexOf(result); + if (index >= 0) { + this.passes.splice(index, 1); + this.failures.push(result); + } +}; + +/** + * Run the next test in the queue. + */ +lib.TestManager.TestRun.prototype.runNextTest_ = function() { + if (this.panic || !this.testQueue_.length) + return this.onTestRunComplete_(); + + if (this.maxFailures && this.failures.length >= this.maxFailures) { + this.log.println('Maximum failure count reached, aborting test run.'); + return this.onTestRunComplete_(); + } + + // Peek at the top test first. We remove it later just before it's about + // to run, so that we don't disturb the incomplete test count in the + // event that we fail before running it. + var test = this.testQueue_[0]; + var suite = this.currentResult ? this.currentResult.suite : null; + + try { + if (!suite || !(suite instanceof test.suiteClass)) { + this.log.println('Initializing suite: ' + test.suiteClass.suiteName); + suite = new test.suiteClass(this.testManager, this.cx); + } + } catch (ex) { + // If test suite setup fails we're not even going to try to run the tests. + this.log.println('Exception during setup: ' + (ex.stack ? ex.stack : ex)); + this.panic = true; + this.onTestRunComplete_(); + return; + } + + try { + this.log.print('Test: ' + test.fullName + ' {'); + this.log.pushPrefix(' '); + + this.currentResult = new lib.TestManager.Result(this, suite, test); + suite.preamble(this.currentResult, this.cx); + + this.testQueue_.shift(); + } catch (ex) { + this.log.println('Unexpected exception during test preamble: ' + + (ex.stack ? ex.stack : ex)); + this.log.popPrefix(); + this.log.println('}'); + + this.panic = true; + this.onTestRunComplete_(); + return; + } + + try { + this.currentResult.run(); + } catch (ex) { + // Result.run() should catch test exceptions and turn them into failures. + // If we got here, it means there is trouble in the testing framework. + this.log.println('Unexpected exception during test run: ' + + (ex.stack ? ex.stack : ex)); + this.panic = true; + } +}; + +/** + * Run the selected list of tests. + * + * Some tests may need to run asynchronously, so you cannot assume the run is + * complete when this function returns. Instead, pass in a function to be + * called back when the run has completed. + * + * This function will log the results of the test run as they happen into the + * log defined by the associated lib.TestManager. By default this is + * console.log, which can be viewed in the JavaScript console of most browsers. + * + * The browser state is determined by the last test to run. We intentionally + * don't do any cleanup so that you can inspect the state of a failed test, or + * leave the browser ready for manual testing. + * + * Any failures in lib.TestManager.* code or test suite setup or test case + * preamble will cause the test run to abort. + */ +lib.TestManager.TestRun.prototype.run = function() { + this.log.println('Running ' + this.testQueue_.length + ' test(s) {'); + this.log.pushPrefix(' '); + + window.onerror = this.onUncaughtException_.bind(this); + this.startDate = new Date(); + this.runNextTest_(); +}; + +/** + * Format milliseconds as fractional seconds. + */ +lib.TestManager.TestRun.prototype.msToSeconds_ = function(ms) { + var secs = (ms / 1000).toFixed(2); + return secs + 's'; +}; + +/** + * Log the current result summary. + */ +lib.TestManager.TestRun.prototype.summarize = function() { + if (this.failures.length) { + for (var i = 0; i < this.failures.length; i++) { + this.log.println('FAILED: ' + this.failures[i].test.fullName); + } + } + + if (this.testQueue_.length) { + this.log.println('Test run incomplete: ' + this.testQueue_.length + + ' test(s) were not run.'); + } +}; + +/** + * Record of the result of a single test. + * + * These are constructed during a test run, you shouldn't have to make one + * on your own. + * + * An instance of this class is passed in to each test function. It can be + * used to add messages to the test log, to record a test pass/fail state, to + * test assertions, or to create exception-proof wrappers for callback + * functions. + * + * @param {lib.TestManager.TestRun} testRun The TestRun instance associated with + * this result. + * @param {lib.TestManager.Suit} suite The Suite containing the test we're + * collecting this result for. + * @param {lib.TestManager.Test} test The test we're collecting this result for. + */ +lib.TestManager.Result = function(testRun, suite, test) { + /** + * The TestRun instance associated with this result. + */ + this.testRun = testRun; + + /** + * The Suite containing the test we're collecting this result for. + */ + this.suite = suite; + + /** + * The test we're collecting this result for. + */ + this.test = test; + + /** + * The time we started to collect this result, or null if we haven't started. + */ + this.startDate = null; + + /** + * The time in milliseconds that the test took to complete, or null if + * it hasn't completed yet. + */ + this.duration = null; + + /** + * The current status of this test result. + */ + this.status = this.PENDING; + + // An error message that the test case is expected to generate. + this.expectedErrorMessage_ = null; +}; + +/** + * Possible values for this.status. + */ +lib.TestManager.Result.prototype.PENDING = 'pending'; +lib.TestManager.Result.prototype.FAILED = 'FAILED'; +lib.TestManager.Result.prototype.PASSED = 'passed'; + +/** + * Exception thrown when a test completes (pass or fail), to ensure no more of + * the test is run. + */ +lib.TestManager.Result.TestComplete = function(result) { + this.result = result; +}; + +lib.TestManager.Result.TestComplete.prototype.toString = function() { + return 'lib.TestManager.Result.TestComplete: ' + this.result.test.fullName + + ', status: ' + this.result.status; +} + +/** + * Start the test associated with this result. + */ +lib.TestManager.Result.prototype.run = function() { + var self = this; + + this.startDate = new Date(); + this.test.run(this); + + if (this.status == this.PENDING && !this.timeout_) { + this.println('Test did not return a value and did not request more time.'); + this.completeTest_(this.FAILED, false); + } +}; + +/** + * Unhandled error message this test expects to generate. + * + * This must be the exact string that would appear in the JavaScript console, + * minus the 'Uncaught ' prefix. + * + * The test case does *not* automatically fail if the error message is not + * encountered. + */ +lib.TestManager.Result.prototype.expectErrorMessage = function(str) { + this.expectedErrorMessage_ = str; +}; + +/** + * Function called when a test times out. + */ +lib.TestManager.Result.prototype.onTimeout_ = function() { + this.timeout_ = null; + + if (this.status != this.PENDING) + return; + + this.println('Test timed out.'); + this.completeTest_(this.FAILED, false); +}; + +/** + * Indicate that a test case needs more time to complete. + * + * Before a test case returns it must report a pass/fail result, or request more + * time to do so. + * + * If a test does not report pass/fail before the time expires it will + * be reported as a timeout failure. Any late pass/fails will be noted in the + * test log, but will not affect the final result of the test. + * + * Test cases may call requestTime more than once. If you have a few layers + * of asynchronous API to go through, you should call this once per layer with + * an estimate of how long each callback will take to complete. + * + * @param {int} ms Number of milliseconds requested. + */ +lib.TestManager.Result.prototype.requestTime = function(ms) { + if (this.timeout_) + clearTimeout(this.timeout_); + + this.timeout_ = setTimeout(this.onTimeout_.bind(this), ms); +}; + +/** + * Report the completion of a test. + * + * @param {string} status The status of the test case. + * @param {boolean} opt_throw Optional boolean indicating whether or not + * to throw the TestComplete exception. + */ +lib.TestManager.Result.prototype.completeTest_ = function(status, opt_throw) { + if (this.status == this.PENDING) { + this.duration = (new Date()) - this.startDate; + this.status = status; + + this.testRun.onResultComplete(this); + } else { + this.testRun.onResultReComplete(this, status); + } + + if (arguments.length < 2 || opt_throw) + throw new lib.TestManager.Result.TestComplete(this); +}; + +/** + * Assert that an actual value is exactly equal to the expected value. + * + * This uses the JavaScript '===' operator in order to avoid type coercion. + * + * If the assertion fails, the test is marked as a failure and a TestCompleted + * exception is thrown. + * + * @param {*} actual The actual measured value. + * @param {*} expected The value expected. + * @param {string} opt_name An optional name used to identify this + * assertion in the test log. If ommitted it will be the file:line + * of the caller. + */ +lib.TestManager.Result.prototype.assertEQ = function( + actual, expected, opt_name) { + // Utility function to pretty up the log. + function format(value) { + if (typeof value == 'number') + return value; + + var str = String(value); + var ary = str.split('\n').map(function (e) { return JSON.stringify(e) }); + if (ary.length > 1) { + // If the string has newlines, start it off on its own line so that + // it's easier to compare against another string with newlines. + return '\n' + ary.join('\n'); + } else { + return ary.join('\n'); + } + } + + if (actual === expected) + return; + + var name = opt_name ? '[' + opt_name + ']' : ''; + + this.fail('assertEQ' + name + ': ' + this.getCallerLocation_(1) + ': ' + + format(actual) + ' !== ' + format(expected)); +}; + +/** + * Assert that a value is true. + * + * This uses the JavaScript '===' operator in order to avoid type coercion. + * The must be the boolean value `true`, not just some "truish" value. + * + * If the assertion fails, the test is marked as a failure and a TestCompleted + * exception is thrown. + * + * @param {boolean} actual The actual measured value. + * @param {string} opt_name An optional name used to identify this + * assertion in the test log. If ommitted it will be the file:line + * of the caller. + */ +lib.TestManager.Result.prototype.assert = function(actual, opt_name) { + if (actual === true) + return; + + var name = opt_name ? '[' + opt_name + ']' : ''; + + this.fail('assert' + name + ': ' + this.getCallerLocation_(1) + ': ' + + String(actual)); +}; + +/** + * Return the filename:line of a calling stack frame. + * + * This uses a dirty hack. It throws an exception, catches it, and examines + * the stack property of the caught exception. + * + * @param {int} frameIndex The stack frame to return. 0 is the frame that + * called this method, 1 is its caller, and so on. + * @return {string} A string of the format "filename:linenumber". + */ +lib.TestManager.Result.prototype.getCallerLocation_ = function(frameIndex) { + try { + throw new Error(); + } catch (ex) { + var frame = ex.stack.split('\n')[frameIndex + 2]; + var ary = frame.match(/([^/]+:\d+):\d+\)?$/); + return ary ? ary[1] : '???'; + } +}; + +/** + * Write a message to the result log. + */ +lib.TestManager.Result.prototype.println = function(message) { + this.testRun.log.println(message); +}; + +/** + * Mark a failed test and exit out of the rest of the test. + * + * This will throw a TestCompleted exception, causing the current test to stop. + * + * @param {string} opt_message Optional message to add to the log. + */ +lib.TestManager.Result.prototype.fail = function(opt_message) { + if (arguments.length) + this.println(opt_message); + + this.completeTest_(this.FAILED, true); +}; + +/** + * Mark a passed test and exit out of the rest of the test. + * + * This will throw a TestCompleted exception, causing the current test to stop. + */ +lib.TestManager.Result.prototype.pass = function() { + this.completeTest_(this.PASSED, true); +}; +// SOURCE FILE: libdot/js/lib_utf8.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +// TODO(davidben): When the string encoding API is implemented, +// replace this with the native in-browser implementation. +// +// http://wiki.whatwg.org/wiki/StringEncoding +// http://dvcs.w3.org/hg/encoding/raw-file/tip/Overview.html + +/** + * A stateful UTF-8 decoder. + */ +lib.UTF8Decoder = function() { + // The number of bytes left in the current sequence. + this.bytesLeft = 0; + // The in-progress code point being decoded, if bytesLeft > 0. + this.codePoint = 0; + // The lower bound on the final code point, if bytesLeft > 0. + this.lowerBound = 0; +}; + +/** + * Decodes a some UTF-8 data, taking into account state from previous + * data streamed through the encoder. + * + * @param {String} str data to decode, represented as a JavaScript + * String with each code unit representing a byte between 0x00 to + * 0xFF. + * @return {String} The data decoded into a JavaScript UTF-16 string. + */ +lib.UTF8Decoder.prototype.decode = function(str) { + var ret = ''; + for (var i = 0; i < str.length; i++) { + var c = str.charCodeAt(i); + if (this.bytesLeft == 0) { + if (c <= 0x7F) { + ret += str.charAt(i); + } else if (0xC0 <= c && c <= 0xDF) { + this.codePoint = c - 0xC0; + this.bytesLeft = 1; + this.lowerBound = 0x80; + } else if (0xE0 <= c && c <= 0xEF) { + this.codePoint = c - 0xE0; + this.bytesLeft = 2; + this.lowerBound = 0x800; + } else if (0xF0 <= c && c <= 0xF7) { + this.codePoint = c - 0xF0; + this.bytesLeft = 3; + this.lowerBound = 0x10000; + } else if (0xF8 <= c && c <= 0xFB) { + this.codePoint = c - 0xF8; + this.bytesLeft = 4; + this.lowerBound = 0x200000; + } else if (0xFC <= c && c <= 0xFD) { + this.codePoint = c - 0xFC; + this.bytesLeft = 5; + this.lowerBound = 0x4000000; + } else { + ret += '\ufffd'; + } + } else { + if (0x80 <= c && c <= 0xBF) { + this.bytesLeft--; + this.codePoint = (this.codePoint << 6) + (c - 0x80); + if (this.bytesLeft == 0) { + // Got a full sequence. Check if it's within bounds and + // filter out surrogate pairs. + var codePoint = this.codePoint; + if (codePoint < this.lowerBound + || (0xD800 <= codePoint && codePoint <= 0xDFFF) + || codePoint > 0x10FFFF) { + ret += '\ufffd'; + } else { + // Encode as UTF-16 in the output. + if (codePoint < 0x10000) { + ret += String.fromCharCode(codePoint); + } else { + // Surrogate pair. + codePoint -= 0x10000; + ret += String.fromCharCode( + 0xD800 + ((codePoint >>> 10) & 0x3FF), + 0xDC00 + (codePoint & 0x3FF)); + } + } + } + } else { + // Too few bytes in multi-byte sequence. Rewind stream so we + // don't lose the next byte. + ret += '\ufffd'; + this.bytesLeft = 0; + i--; + } + } + } + return ret; +}; + +/** + * Decodes UTF-8 data. This is a convenience function for when all the + * data is already known. + * + * @param {String} str data to decode, represented as a JavaScript + * String with each code unit representing a byte between 0x00 to + * 0xFF. + * @return {String} The data decoded into a JavaScript UTF-16 string. + */ +lib.decodeUTF8 = function(utf8) { + return (new lib.UTF8Decoder()).decode(utf8); +}; + +/** + * Encodes a UTF-16 string into UTF-8. + * + * TODO(davidben): Do we need a stateful version of this that can + * handle a surrogate pair split in two calls? What happens if a + * keypress event would have contained a character outside the BMP? + * + * @param {String} str The string to encode. + * @return {String} The string encoded as UTF-8, as a JavaScript + * string with bytes represented as code units from 0x00 to 0xFF. + */ +lib.encodeUTF8 = function(str) { + var ret = ''; + for (var i = 0; i < str.length; i++) { + // Get a unicode code point out of str. + var c = str.charCodeAt(i); + if (0xDC00 <= c && c <= 0xDFFF) { + c = 0xFFFD; + } else if (0xD800 <= c && c <= 0xDBFF) { + if (i+1 < str.length) { + var d = str.charCodeAt(i+1); + if (0xDC00 <= d && d <= 0xDFFF) { + // Swallow a surrogate pair. + c = 0x10000 + ((c & 0x3FF) << 10) + (d & 0x3FF); + i++; + } else { + c = 0xFFFD; + } + } else { + c = 0xFFFD; + } + } + + // Encode c in UTF-8. + var bytesLeft; + if (c <= 0x7F) { + ret += str.charAt(i); + continue; + } else if (c <= 0x7FF) { + ret += String.fromCharCode(0xC0 | (c >>> 6)); + bytesLeft = 1; + } else if (c <= 0xFFFF) { + ret += String.fromCharCode(0xE0 | (c >>> 12)); + bytesLeft = 2; + } else /* if (c <= 0x10FFFF) */ { + ret += String.fromCharCode(0xF0 | (c >>> 18)); + bytesLeft = 3; + } + + while (bytesLeft > 0) { + bytesLeft--; + ret += String.fromCharCode(0x80 | ((c >>> (6 * bytesLeft)) & 0x3F)); + } + } + return ret; +}; +// SOURCE FILE: libdot/js/lib_wc.js +// Copyright (c) 2014 The Chromium OS Authors. All rights reserved. +// Use of lib.wc source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * This JavaScript library is ported from the wcwidth.js module of node.js. + * The original implementation can be found at: + * https://npmjs.org/package/wcwidth.js + */ + +/** + * JavaScript porting of Markus Kuhn's wcwidth() implementation + * + * The following explanation comes from the original C implementation: + * + * This is an implementation of wcwidth() and wcswidth() (defined in + * IEEE Std 1002.1-2001) for Unicode. + * + * http://www.opengroup.org/onlinepubs/007904975/functions/wcwidth.html + * http://www.opengroup.org/onlinepubs/007904975/functions/wcswidth.html + * + * In fixed-width output devices, Latin characters all occupy a single + * "cell" position of equal width, whereas ideographic CJK characters + * occupy two such cells. Interoperability between terminal-line + * applications and (teletype-style) character terminals using the + * UTF-8 encoding requires agreement on which character should advance + * the cursor by how many cell positions. No established formal + * standards exist at present on which Unicode character shall occupy + * how many cell positions on character terminals. These routines are + * a first attempt of defining such behavior based on simple rules + * applied to data provided by the Unicode Consortium. + * + * For some graphical characters, the Unicode standard explicitly + * defines a character-cell width via the definition of the East Asian + * FullWidth (F), Wide (W), Half-width (H), and Narrow (Na) classes. + * In all these cases, there is no ambiguity about which width a + * terminal shall use. For characters in the East Asian Ambiguous (A) + * class, the width choice depends purely on a preference of backward + * compatibility with either historic CJK or Western practice. + * Choosing single-width for these characters is easy to justify as + * the appropriate long-term solution, as the CJK practice of + * displaying these characters as double-width comes from historic + * implementation simplicity (8-bit encoded characters were displayed + * single-width and 16-bit ones double-width, even for Greek, + * Cyrillic, etc.) and not any typographic considerations. + * + * Much less clear is the choice of width for the Not East Asian + * (Neutral) class. Existing practice does not dictate a width for any + * of these characters. It would nevertheless make sense + * typographically to allocate two character cells to characters such + * as for instance EM SPACE or VOLUME INTEGRAL, which cannot be + * represented adequately with a single-width glyph. The following + * routines at present merely assign a single-cell width to all + * neutral characters, in the interest of simplicity. This is not + * entirely satisfactory and should be reconsidered before + * establishing a formal standard in lib.wc area. At the moment, the + * decision which Not East Asian (Neutral) characters should be + * represented by double-width glyphs cannot yet be answered by + * applying a simple rule from the Unicode database content. Setting + * up a proper standard for the behavior of UTF-8 character terminals + * will require a careful analysis not only of each Unicode character, + * but also of each presentation form, something the author of these + * routines has avoided to do so far. + * + * http://www.unicode.org/unicode/reports/tr11/ + * + * Markus Kuhn -- 2007-05-26 (Unicode 5.0) + * + * Permission to use, copy, modify, and distribute lib.wc software + * for any purpose and without fee is hereby granted. The author + * disclaims all warranties with regard to lib.wc software. + * + * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c + */ + +/** + * The following function defines the column width of an ISO 10646 character + * as follows: + * + * - The null character (U+0000) has a column width of 0. + * - Other C0/C1 control characters and DEL will lead to a return value of -1. + * - Non-spacing and enclosing combining characters (general category code Mn + * or Me in the Unicode database) have a column width of 0. + * - SOFT HYPHEN (U+00AD) has a column width of 1. + * - Other format characters (general category code Cf in the Unicode database) + * and ZERO WIDTH SPACE (U+200B) have a column width of 0. + * - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) have a + * column width of 0. + * - Spacing characters in the East Asian Wide (W) or East Asian Full-width (F) + * category as defined in Unicode Technical Report #11 have a column width of + * 2. + * - East Asian Ambigous characters are taken into account if + * regardCjkAmbiguous flag is enabled. They have a column width of 2. + * - All remaining characters (including all printable ISO 8859-1 and WGL4 + * characters, Unicode control characters, etc.) have a column width of 1. + * + * This implementation assumes that characters are encoded in ISO 10646. + */ + +lib.wc = {}; + +// Width of a nul character. +lib.wc.nulWidth = 0; + +// Width of a control charater. +lib.wc.controlWidth = 0; + +// Flag whether to consider East Asian Ambiguous characters. +lib.wc.regardCjkAmbiguous = false; + +// Width of an East Asian Ambiguous character. +lib.wc.cjkAmbiguousWidth = 2; + +// Sorted list of non-overlapping intervals of non-spacing characters +// generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" +lib.wc.combining = [ + [ 0x0300, 0x036F ], [ 0x0483, 0x0486 ], [ 0x0488, 0x0489 ], + [ 0x0591, 0x05BD ], [ 0x05BF, 0x05BF ], [ 0x05C1, 0x05C2 ], + [ 0x05C4, 0x05C5 ], [ 0x05C7, 0x05C7 ], [ 0x0600, 0x0603 ], + [ 0x0610, 0x0615 ], [ 0x064B, 0x065E ], [ 0x0670, 0x0670 ], + [ 0x06D6, 0x06E4 ], [ 0x06E7, 0x06E8 ], [ 0x06EA, 0x06ED ], + [ 0x070F, 0x070F ], [ 0x0711, 0x0711 ], [ 0x0730, 0x074A ], + [ 0x07A6, 0x07B0 ], [ 0x07EB, 0x07F3 ], [ 0x0901, 0x0902 ], + [ 0x093C, 0x093C ], [ 0x0941, 0x0948 ], [ 0x094D, 0x094D ], + [ 0x0951, 0x0954 ], [ 0x0962, 0x0963 ], [ 0x0981, 0x0981 ], + [ 0x09BC, 0x09BC ], [ 0x09C1, 0x09C4 ], [ 0x09CD, 0x09CD ], + [ 0x09E2, 0x09E3 ], [ 0x0A01, 0x0A02 ], [ 0x0A3C, 0x0A3C ], + [ 0x0A41, 0x0A42 ], [ 0x0A47, 0x0A48 ], [ 0x0A4B, 0x0A4D ], + [ 0x0A70, 0x0A71 ], [ 0x0A81, 0x0A82 ], [ 0x0ABC, 0x0ABC ], + [ 0x0AC1, 0x0AC5 ], [ 0x0AC7, 0x0AC8 ], [ 0x0ACD, 0x0ACD ], + [ 0x0AE2, 0x0AE3 ], [ 0x0B01, 0x0B01 ], [ 0x0B3C, 0x0B3C ], + [ 0x0B3F, 0x0B3F ], [ 0x0B41, 0x0B43 ], [ 0x0B4D, 0x0B4D ], + [ 0x0B56, 0x0B56 ], [ 0x0B82, 0x0B82 ], [ 0x0BC0, 0x0BC0 ], + [ 0x0BCD, 0x0BCD ], [ 0x0C3E, 0x0C40 ], [ 0x0C46, 0x0C48 ], + [ 0x0C4A, 0x0C4D ], [ 0x0C55, 0x0C56 ], [ 0x0CBC, 0x0CBC ], + [ 0x0CBF, 0x0CBF ], [ 0x0CC6, 0x0CC6 ], [ 0x0CCC, 0x0CCD ], + [ 0x0CE2, 0x0CE3 ], [ 0x0D41, 0x0D43 ], [ 0x0D4D, 0x0D4D ], + [ 0x0DCA, 0x0DCA ], [ 0x0DD2, 0x0DD4 ], [ 0x0DD6, 0x0DD6 ], + [ 0x0E31, 0x0E31 ], [ 0x0E34, 0x0E3A ], [ 0x0E47, 0x0E4E ], + [ 0x0EB1, 0x0EB1 ], [ 0x0EB4, 0x0EB9 ], [ 0x0EBB, 0x0EBC ], + [ 0x0EC8, 0x0ECD ], [ 0x0F18, 0x0F19 ], [ 0x0F35, 0x0F35 ], + [ 0x0F37, 0x0F37 ], [ 0x0F39, 0x0F39 ], [ 0x0F71, 0x0F7E ], + [ 0x0F80, 0x0F84 ], [ 0x0F86, 0x0F87 ], [ 0x0F90, 0x0F97 ], + [ 0x0F99, 0x0FBC ], [ 0x0FC6, 0x0FC6 ], [ 0x102D, 0x1030 ], + [ 0x1032, 0x1032 ], [ 0x1036, 0x1037 ], [ 0x1039, 0x1039 ], + [ 0x1058, 0x1059 ], [ 0x1160, 0x11FF ], [ 0x135F, 0x135F ], + [ 0x1712, 0x1714 ], [ 0x1732, 0x1734 ], [ 0x1752, 0x1753 ], + [ 0x1772, 0x1773 ], [ 0x17B4, 0x17B5 ], [ 0x17B7, 0x17BD ], + [ 0x17C6, 0x17C6 ], [ 0x17C9, 0x17D3 ], [ 0x17DD, 0x17DD ], + [ 0x180B, 0x180D ], [ 0x18A9, 0x18A9 ], [ 0x1920, 0x1922 ], + [ 0x1927, 0x1928 ], [ 0x1932, 0x1932 ], [ 0x1939, 0x193B ], + [ 0x1A17, 0x1A18 ], [ 0x1B00, 0x1B03 ], [ 0x1B34, 0x1B34 ], + [ 0x1B36, 0x1B3A ], [ 0x1B3C, 0x1B3C ], [ 0x1B42, 0x1B42 ], + [ 0x1B6B, 0x1B73 ], [ 0x1DC0, 0x1DCA ], [ 0x1DFE, 0x1DFF ], + [ 0x200B, 0x200F ], [ 0x202A, 0x202E ], [ 0x2060, 0x2063 ], + [ 0x206A, 0x206F ], [ 0x20D0, 0x20EF ], [ 0x302A, 0x302F ], + [ 0x3099, 0x309A ], [ 0xA806, 0xA806 ], [ 0xA80B, 0xA80B ], + [ 0xA825, 0xA826 ], [ 0xFB1E, 0xFB1E ], [ 0xFE00, 0xFE0F ], + [ 0xFE20, 0xFE23 ], [ 0xFEFF, 0xFEFF ], [ 0xFFF9, 0xFFFB ], + [ 0x10A01, 0x10A03 ], [ 0x10A05, 0x10A06 ], [ 0x10A0C, 0x10A0F ], + [ 0x10A38, 0x10A3A ], [ 0x10A3F, 0x10A3F ], [ 0x1D167, 0x1D169 ], + [ 0x1D173, 0x1D182 ], [ 0x1D185, 0x1D18B ], [ 0x1D1AA, 0x1D1AD ], + [ 0x1D242, 0x1D244 ], [ 0xE0001, 0xE0001 ], [ 0xE0020, 0xE007F ], + [ 0xE0100, 0xE01EF ] +]; + +// Sorted list of non-overlapping intervals of East Asian Ambiguous characters +// generated by "uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf c" +lib.wc.ambiguous = [ + [ 0x00A1, 0x00A1 ], [ 0x00A4, 0x00A4 ], [ 0x00A7, 0x00A8 ], + [ 0x00AA, 0x00AA ], [ 0x00AE, 0x00AE ], [ 0x00B0, 0x00B4 ], + [ 0x00B6, 0x00BA ], [ 0x00BC, 0x00BF ], [ 0x00C6, 0x00C6 ], + [ 0x00D0, 0x00D0 ], [ 0x00D7, 0x00D8 ], [ 0x00DE, 0x00E1 ], + [ 0x00E6, 0x00E6 ], [ 0x00E8, 0x00EA ], [ 0x00EC, 0x00ED ], + [ 0x00F0, 0x00F0 ], [ 0x00F2, 0x00F3 ], [ 0x00F7, 0x00FA ], + [ 0x00FC, 0x00FC ], [ 0x00FE, 0x00FE ], [ 0x0101, 0x0101 ], + [ 0x0111, 0x0111 ], [ 0x0113, 0x0113 ], [ 0x011B, 0x011B ], + [ 0x0126, 0x0127 ], [ 0x012B, 0x012B ], [ 0x0131, 0x0133 ], + [ 0x0138, 0x0138 ], [ 0x013F, 0x0142 ], [ 0x0144, 0x0144 ], + [ 0x0148, 0x014B ], [ 0x014D, 0x014D ], [ 0x0152, 0x0153 ], + [ 0x0166, 0x0167 ], [ 0x016B, 0x016B ], [ 0x01CE, 0x01CE ], + [ 0x01D0, 0x01D0 ], [ 0x01D2, 0x01D2 ], [ 0x01D4, 0x01D4 ], + [ 0x01D6, 0x01D6 ], [ 0x01D8, 0x01D8 ], [ 0x01DA, 0x01DA ], + [ 0x01DC, 0x01DC ], [ 0x0251, 0x0251 ], [ 0x0261, 0x0261 ], + [ 0x02C4, 0x02C4 ], [ 0x02C7, 0x02C7 ], [ 0x02C9, 0x02CB ], + [ 0x02CD, 0x02CD ], [ 0x02D0, 0x02D0 ], [ 0x02D8, 0x02DB ], + [ 0x02DD, 0x02DD ], [ 0x02DF, 0x02DF ], [ 0x0391, 0x03A1 ], + [ 0x03A3, 0x03A9 ], [ 0x03B1, 0x03C1 ], [ 0x03C3, 0x03C9 ], + [ 0x0401, 0x0401 ], [ 0x0410, 0x044F ], [ 0x0451, 0x0451 ], + [ 0x2010, 0x2010 ], [ 0x2013, 0x2016 ], [ 0x2018, 0x2019 ], + [ 0x201C, 0x201D ], [ 0x2020, 0x2022 ], [ 0x2024, 0x2027 ], + [ 0x2030, 0x2030 ], [ 0x2032, 0x2033 ], [ 0x2035, 0x2035 ], + [ 0x203B, 0x203B ], [ 0x203E, 0x203E ], [ 0x2074, 0x2074 ], + [ 0x207F, 0x207F ], [ 0x2081, 0x2084 ], [ 0x20AC, 0x20AC ], + [ 0x2103, 0x2103 ], [ 0x2105, 0x2105 ], [ 0x2109, 0x2109 ], + [ 0x2113, 0x2113 ], [ 0x2116, 0x2116 ], [ 0x2121, 0x2122 ], + [ 0x2126, 0x2126 ], [ 0x212B, 0x212B ], [ 0x2153, 0x2154 ], + [ 0x215B, 0x215E ], [ 0x2160, 0x216B ], [ 0x2170, 0x2179 ], + [ 0x2190, 0x2199 ], [ 0x21B8, 0x21B9 ], [ 0x21D2, 0x21D2 ], + [ 0x21D4, 0x21D4 ], [ 0x21E7, 0x21E7 ], [ 0x2200, 0x2200 ], + [ 0x2202, 0x2203 ], [ 0x2207, 0x2208 ], [ 0x220B, 0x220B ], + [ 0x220F, 0x220F ], [ 0x2211, 0x2211 ], [ 0x2215, 0x2215 ], + [ 0x221A, 0x221A ], [ 0x221D, 0x2220 ], [ 0x2223, 0x2223 ], + [ 0x2225, 0x2225 ], [ 0x2227, 0x222C ], [ 0x222E, 0x222E ], + [ 0x2234, 0x2237 ], [ 0x223C, 0x223D ], [ 0x2248, 0x2248 ], + [ 0x224C, 0x224C ], [ 0x2252, 0x2252 ], [ 0x2260, 0x2261 ], + [ 0x2264, 0x2267 ], [ 0x226A, 0x226B ], [ 0x226E, 0x226F ], + [ 0x2282, 0x2283 ], [ 0x2286, 0x2287 ], [ 0x2295, 0x2295 ], + [ 0x2299, 0x2299 ], [ 0x22A5, 0x22A5 ], [ 0x22BF, 0x22BF ], + [ 0x2312, 0x2312 ], [ 0x2460, 0x24E9 ], [ 0x24EB, 0x254B ], + [ 0x2550, 0x2573 ], [ 0x2580, 0x258F ], [ 0x2592, 0x2595 ], + [ 0x25A0, 0x25A1 ], [ 0x25A3, 0x25A9 ], [ 0x25B2, 0x25B3 ], + [ 0x25B6, 0x25B7 ], [ 0x25BC, 0x25BD ], [ 0x25C0, 0x25C1 ], + [ 0x25C6, 0x25C8 ], [ 0x25CB, 0x25CB ], [ 0x25CE, 0x25D1 ], + [ 0x25E2, 0x25E5 ], [ 0x25EF, 0x25EF ], [ 0x2605, 0x2606 ], + [ 0x2609, 0x2609 ], [ 0x260E, 0x260F ], [ 0x2614, 0x2615 ], + [ 0x261C, 0x261C ], [ 0x261E, 0x261E ], [ 0x2640, 0x2640 ], + [ 0x2642, 0x2642 ], [ 0x2660, 0x2661 ], [ 0x2663, 0x2665 ], + [ 0x2667, 0x266A ], [ 0x266C, 0x266D ], [ 0x266F, 0x266F ], + [ 0x273D, 0x273D ], [ 0x2776, 0x277F ], [ 0xE000, 0xF8FF ], + [ 0xFFFD, 0xFFFD ], [ 0xF0000, 0xFFFFD ], [ 0x100000, 0x10FFFD ] +]; + +/** + * Binary search to check if the given unicode character is a space character. + * + * @param {interger} ucs A unicode character code. + * + * @return {boolean} True if the given character is a space character; false + * otherwise. + */ +lib.wc.isSpace = function(ucs) { + // Auxiliary function for binary search in interval table. + var min = 0, max = lib.wc.combining.length - 1; + var mid; + + if (ucs < lib.wc.combining[0][0] || ucs > lib.wc.combining[max][1]) + return false; + while (max >= min) { + mid = Math.floor((min + max) / 2); + if (ucs > lib.wc.combining[mid][1]) { + min = mid + 1; + } else if (ucs < lib.wc.combining[mid][0]) { + max = mid - 1; + } else { + return true; + } + } + + return false; +}; + +/** + * Auxiliary function for checking if the given unicode character is a East + * Asian Ambiguous character. + * + * @param {interger} ucs A unicode character code. + * + * @return {boolean} True if the given character is a East Asian Ambiguous + * character. + */ +lib.wc.isCjkAmbiguous = function(ucs) { + var min = 0, max = lib.wc.ambiguous.length - 1; + var mid; + + if (ucs < lib.wc.ambiguous[0][0] || ucs > lib.wc.ambiguous[max][1]) + return false; + while (max >= min) { + mid = Math.floor((min + max) / 2); + if (ucs > lib.wc.ambiguous[mid][1]) { + min = mid + 1; + } else if (ucs < lib.wc.ambiguous[mid][0]) { + max = mid - 1; + } else { + return true; + } + } + + return false; +}; + +/** + * Determine the column width of the given character. + * + * @param {integer} ucs A unicode character code. + * + * @return {integer} The column width of the given character. + */ +lib.wc.charWidth = function(ucs) { + if (lib.wc.regardCjkAmbiguous) { + return lib.wc.charWidthRegardAmbiguous(ucs); + } else { + return lib.wc.charWidthDisregardAmbiguous(ucs); + } +}; + +/** + * Determine the column width of the given character without considering East + * Asian Ambiguous characters. + * + * @param {integer} ucs A unicode character code. + * + * @return {integer} The column width of the given character. + */ +lib.wc.charWidthDisregardAmbiguous = function(ucs) { + // Test for 8-bit control characters. + if (ucs === 0) + return lib.wc.nulWidth; + if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) + return lib.wc.controlWidth; + + // Optimize for ASCII characters. + if (ucs < 0x7f) + return 1; + + // Binary search in table of non-spacing characters. + if (lib.wc.isSpace(ucs)) + return 0; + + // If we arrive here, ucs is not a combining or C0/C1 control character. + return 1 + + (ucs >= 0x1100 && + (ucs <= 0x115f || // Hangul Jamo init. consonants + ucs == 0x2329 || ucs == 0x232a || + (ucs >= 0x2e80 && ucs <= 0xa4cf && + ucs != 0x303f) || // CJK ... Yi + (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables + (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compatibility Ideographs + (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms + (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compatibility Forms + (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms + (ucs >= 0xffe0 && ucs <= 0xffe6) || + (ucs >= 0x20000 && ucs <= 0x2fffd) || + (ucs >= 0x30000 && ucs <= 0x3fffd))); +}; + +/** + * Determine the column width of the given character considering East Asian + * Ambiguous characters. + * + * @param {integer} ucs A unicode character code. + * + * @return {integer} The column width of the given character. + */ +lib.wc.charWidthRegardAmbiguous = function(ucs) { + if (lib.wc.isCjkAmbiguous(ucs)) + return lib.wc.cjkAmbiguousWidth; + + return lib.wc.charWidthDisregardAmbiguous(ucs); +}; + +/** + * Determine the column width of the given string. + * + * @param {string} str A string. + * + * @return {integer} The column width of the given string. + */ +lib.wc.strWidth = function(str) { + var width, rv = 0; + + for (var i = 0; i < str.length; i++) { + width = lib.wc.charWidth(str.charCodeAt(i)); + if (width < 0) + return -1; + rv += width; + } + + return rv; +}; + +/** + * Get the substring at the given column offset of the given column width. + * + * @param {string} str The string to get substring from. + * @param {integer} start The starting column offset to get substring. + * @param {integer} opt_width The column width of the substring. + * + * @return {string} The substring. + */ +lib.wc.substr = function(str, start, opt_width) { + var startIndex, endIndex, width; + + for (startIndex = 0, width = 0; startIndex < str.length; startIndex++) { + width += lib.wc.charWidth(str.charCodeAt(startIndex)); + if (width > start) + break; + } + + if (opt_width != undefined) { + for (endIndex = startIndex, width = 0; + endIndex < str.length && width < opt_width; + width += lib.wc.charWidth(str.charCodeAt(endIndex)), endIndex++); + if (width > opt_width) + endIndex--; + return str.substring(startIndex, endIndex); + } + + return str.substr(startIndex); +}; + +/** + * Get substring at the given start and end column offset. + * + * @param {string} str The string to get substring from. + * @param {integer} start The starting column offset. + * @param {integer} end The ending column offset. + * + * @return {string} The substring. + */ +lib.wc.substring = function(str, start, end) { + return lib.wc.substr(str, start, end - start); +}; +lib.resource.add('libdot/changelog/version', 'text/plain', +'1.9' + +'' +); + +lib.resource.add('libdot/changelog/date', 'text/plain', +'2014-05-27' + +'' +); + +// SOURCE FILE: hterm/js/hterm.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.Storage'); + +/** + * @fileoverview Declares the hterm.* namespace and some basic shared utilities + * that are too small to deserve dedicated files. + */ +var hterm = {}; + +/** + * The type of window hosting hterm. + * + * This is set as part of hterm.init(). The value is invalid until + * initialization completes. + */ +hterm.windowType = null; + +/** + * Warning message to display in the terminal when browser zoom is enabled. + * + * You can replace it with your own localized message. + */ +hterm.zoomWarningMessage = 'ZOOM != 100%'; + +/** + * Brief overlay message displayed when text is copied to the clipboard. + * + * By default it is the unicode BLACK SCISSORS character, but you can + * replace it with your own localized message. + * + * This is only displayed when the 'enable-clipboard-notice' preference + * is enabled. + */ +hterm.notifyCopyMessage = '\u2702'; + + +/** + * Text shown in a desktop notification for the terminal + * bell. \u226a is a unicode EIGHTH NOTE, %(title) will + * be replaced by the terminal title. + */ +hterm.desktopNotificationTitle = '\u266A %(title) \u266A'; + +/** + * List of known hterm test suites. + * + * A test harness should ensure that they all exist before running. + */ +hterm.testDeps = ['hterm.ScrollPort.Tests', 'hterm.Screen.Tests', + 'hterm.Terminal.Tests', 'hterm.VT.Tests', + 'hterm.VT.CannedTests']; + +/** + * The hterm init function, registered with lib.registerInit(). + * + * This is called during lib.init(). + * + * @param {function} onInit The function lib.init() wants us to invoke when + * initialization is complete. + */ +lib.registerInit('hterm', function(onInit) { + function onWindow(window) { + hterm.windowType = window.type; + setTimeout(onInit, 0); + } + + function onTab(tab) { + if (tab && window.chrome) { + chrome.windows.get(tab.windowId, null, onWindow); + } else { + // TODO(rginda): This is where we end up for a v1 app's background page. + // Maybe windowType = 'none' would be more appropriate, or something. + hterm.windowType = 'normal'; + setTimeout(onInit, 0); + } + } + + if (!hterm.defaultStorage) { + var ary = navigator.userAgent.match(/\sChrome\/(\d\d)/); + var version = ary ? parseInt(ary[1]) : -1; + if (window.chrome && chrome.storage && chrome.storage.sync && + version > 21) { + hterm.defaultStorage = new lib.Storage.Chrome(chrome.storage.sync); + } else { + hterm.defaultStorage = new lib.Storage.Local(); + } + } + + // The chrome.tabs API is not supported in packaged apps, and detecting if + // you're a packaged app is a little awkward. + var isPackagedApp = false; + if (window.chrome && chrome.runtime && chrome.runtime.getManifest) { + var manifest = chrome.runtime.getManifest(); + var isPackagedApp = manifest.app && manifest.app.background; + } + + if (isPackagedApp) { + // Packaged apps are never displayed in browser tabs. + setTimeout(onWindow.bind(null, {type: 'popup'}), 0); + } else { + if (window.chrome && chrome.tabs) { + // The getCurrent method gets the tab that is "currently running", not the + // topmost or focused tab. + chrome.tabs.getCurrent(onTab); + } else { + setTimeout(onWindow.bind(null, {type: 'normal'}), 0); + } + } +}); + +/** + * Return decimal { width, height } for a given dom node. + */ +hterm.getClientSize = function(dom) { + return dom.getBoundingClientRect(); +}; + +/** + * Return decimal width for a given dom node. + */ +hterm.getClientWidth = function(dom) { + return dom.getBoundingClientRect().width; +}; + +/** + * Return decimal height for a given dom node. + */ +hterm.getClientHeight = function(dom) { + return dom.getBoundingClientRect().height; +}; + +/** + * Copy the current selection to the system clipboard. + * + * @param {HTMLDocument} The document with the selection to copy. + */ +hterm.copySelectionToClipboard = function(document) { + try { + document.execCommand('copy'); + } catch (firefoxException) { + // Ignore this. FF throws an exception if there was an error, even though + // the spec says just return false. + } +}; + +/** + * Paste the system clipboard into the element with focus. + * + * @param {HTMLDocument} The document to paste into. + */ +hterm.pasteFromClipboard = function(document) { + try { + document.execCommand('paste'); + } catch (firefoxException) { + // Ignore this. FF throws an exception if there was an error, even though + // the spec says just return false. + } +}; + +/** + * Constructor for a hterm.Size record. + * + * Instances of this class have public read/write members for width and height. + * + * @param {integer} width The width of this record. + * @param {integer} height The height of this record. + */ +hterm.Size = function(width, height) { + this.width = width; + this.height = height; +}; + +/** + * Adjust the width and height of this record. + * + * @param {integer} width The new width of this record. + * @param {integer} height The new height of this record. + */ +hterm.Size.prototype.resize = function(width, height) { + this.width = width; + this.height = height; +}; + +/** + * Return a copy of this record. + * + * @return {hterm.Size} A new hterm.Size instance with the same width and + * height. + */ +hterm.Size.prototype.clone = function() { + return new hterm.Size(this.width, this.height); +}; + +/** + * Set the height and width of this instance based on another hterm.Size. + * + * @param {hterm.Size} that The object to copy from. + */ +hterm.Size.prototype.setTo = function(that) { + this.width = that.width; + this.height = that.height; +}; + +/** + * Test if another hterm.Size instance is equal to this one. + * + * @param {hterm.Size} that The other hterm.Size instance. + * @return {boolen} True if both instances have the same width/height, false + * otherwise. + */ +hterm.Size.prototype.equals = function(that) { + return this.width == that.width && this.height == that.height; +}; + +/** + * Return a string representation of this instance. + * + * @return {string} A string that identifies the width and height of this + * instance. + */ +hterm.Size.prototype.toString = function() { + return '[hterm.Size: ' + this.width + ', ' + this.height + ']'; +}; + +/** + * Constructor for a hterm.RowCol record. + * + * Instances of this class have public read/write members for row and column. + * + * This class includes an 'overflow' bit which is use to indicate that the an + * attempt has been made to move the cursor column passed the end of the + * screen. When this happens we leave the cursor column set to the last column + * of the screen but set the overflow bit. In this state cursor movement + * happens normally, but any attempt to print new characters causes a cr/lf + * first. + * + * @param {integer} row The row of this record. + * @param {integer} column The column of this record. + * @param {boolean} opt_overflow Optional boolean indicating that the RowCol + * has overflowed. + */ +hterm.RowCol = function(row, column, opt_overflow) { + this.row = row; + this.column = column; + this.overflow = !!opt_overflow; +}; + +/** + * Adjust the row and column of this record. + * + * @param {integer} row The new row of this record. + * @param {integer} column The new column of this record. + * @param {boolean} opt_overflow Optional boolean indicating that the RowCol + * has overflowed. + */ +hterm.RowCol.prototype.move = function(row, column, opt_overflow) { + this.row = row; + this.column = column; + this.overflow = !!opt_overflow; +}; + +/** + * Return a copy of this record. + * + * @return {hterm.RowCol} A new hterm.RowCol instance with the same row and + * column. + */ +hterm.RowCol.prototype.clone = function() { + return new hterm.RowCol(this.row, this.column, this.overflow); +}; + +/** + * Set the row and column of this instance based on another hterm.RowCol. + * + * @param {hterm.RowCol} that The object to copy from. + */ +hterm.RowCol.prototype.setTo = function(that) { + this.row = that.row; + this.column = that.column; + this.overflow = that.overflow; +}; + +/** + * Test if another hterm.RowCol instance is equal to this one. + * + * @param {hterm.RowCol} that The other hterm.RowCol instance. + * @return {boolen} True if both instances have the same row/column, false + * otherwise. + */ +hterm.RowCol.prototype.equals = function(that) { + return (this.row == that.row && this.column == that.column && + this.overflow == that.overflow); +}; + +/** + * Return a string representation of this instance. + * + * @return {string} A string that identifies the row and column of this + * instance. + */ +hterm.RowCol.prototype.toString = function() { + return ('[hterm.RowCol: ' + this.row + ', ' + this.column + ', ' + + this.overflow + ']'); +}; +// SOURCE FILE: hterm/js/hterm_frame.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.f'); + +/** + * First draft of the interface between the terminal and a third party dialog. + * + * This is rough. It's just the terminal->dialog layer. To complete things + * we'll also need a command->terminal layer. That will have to facilitate + * command->terminal->dialog or direct command->dialog communication. + * + * I imagine this class will change significantly when that happens. + */ + +/** + * Construct a new frame for the given terminal. + * + * @param terminal {hterm.Terminal} The parent terminal object. + * @param url {String} The url to load in the frame. + * @param opt_options {Object} Optional options for the frame. Not implemented. + */ +hterm.Frame = function(terminal, url, opt_options) { + this.terminal_ = terminal; + this.div_ = terminal.div_; + this.url = url; + this.options = opt_options || {}; + this.iframe_ = null; + this.container_ = null; + this.messageChannel_ = null; +}; + +/** + * Handle messages from the iframe. + */ +hterm.Frame.prototype.onMessage_ = function(e) { + if (e.data.name != 'ipc-init-ok') { + console.log('Unknown message from frame:', e.data); + return; + } + + this.sendTerminalInfo_(); + this.messageChannel_.port1.onmessage = this.onMessage.bind(this); + this.onLoad(); +}; + +/** + * Clients could override this, I guess. + * + * It doesn't support multiple listeners, but I'm not sure that would make sense + * here. It's probably better to speak directly to our parents. + */ +hterm.Frame.prototype.onMessage = function() {}; + +/** + * Handle iframe onLoad event. + */ +hterm.Frame.prototype.onLoad_ = function() { + this.messageChannel_ = new MessageChannel(); + this.messageChannel_.port1.onmessage = this.onMessage_.bind(this); + this.messageChannel_.port1.start(); + this.iframe_.contentWindow.postMessage( + {name: 'ipc-init', argv: [{messagePort: this.messageChannel_.port2}]}, + [this.messageChannel_.port2], this.url); +}; + +/** + * Clients may override this. + */ +hterm.Frame.prototype.onLoad = function() {}; + +/** + * Sends the terminal-info message to the iframe. + */ +hterm.Frame.prototype.sendTerminalInfo_ = function() { + lib.f.getAcceptLanguages(function(languages) { + this.postMessage('terminal-info', [{ + acceptLanguages: languages, + foregroundColor: this.terminal_.getForegroundColor(), + backgroundColor: this.terminal_.getBackgroundColor(), + cursorColor: this.terminal_.getCursorColor(), + fontSize: this.terminal_.getFontSize(), + fontFamily: this.terminal_.getFontFamily(), + baseURL: lib.f.getURL('/') + }] + ); + }.bind(this)); +}; + +/** + * User clicked the close button on the frame decoration. + */ +hterm.Frame.prototype.onCloseClicked_ = function() { + this.close(); +}; + +/** + * Close this frame. + */ +hterm.Frame.prototype.close = function() { + if (!this.container_ || !this.container_.parentNode) + return; + + this.container_.parentNode.removeChild(this.container_); + this.onClose(); +}; + + +/** + * Clients may override this. + */ +hterm.Frame.prototype.onClose = function() {}; + +/** + * Send a message to the iframe. + */ +hterm.Frame.prototype.postMessage = function(name, argv) { + if (!this.messageChannel_) + throw new Error('Message channel is not set up.'); + + this.messageChannel_.port1.postMessage({name: name, argv: argv}); +}; + +/** + * Show the UI for this frame. + * + * The iframe src is not loaded until this method is called. + */ +hterm.Frame.prototype.show = function() { + var self = this; + + function opt(name, defaultValue) { + if (name in self.options) + return self.options[name]; + + return defaultValue; + } + + var self = this; + + if (this.container_ && this.container_.parentNode) { + console.error('Frame already visible'); + return; + } + + var headerHeight = '16px'; + + var divSize = hterm.getClientSize(this.div_); + + var width = opt('width', 640); + var height = opt('height', 480); + var left = (divSize.width - width) / 2; + var top = (divSize.height - height) / 2; + + var document = this.terminal_.document_; + + var container = this.container_ = document.createElement('div'); + container.style.cssText = ( + 'position: absolute;' + + 'display: -webkit-flex;' + + '-webkit-flex-direction: column;' + + 'top: 10%;' + + 'left: 4%;' + + 'width: 90%;' + + 'height: 80%;' + + 'box-shadow: 0 0 2px ' + this.terminal_.getForegroundColor() + ';' + + 'border: 2px ' + this.terminal_.getForegroundColor() + ' solid;'); + + var header = document.createElement('div'); + header.style.cssText = ( + 'display: -webkit-flex;' + + '-webkit-justify-content: flex-end;' + + 'height: ' + headerHeight + ';' + + 'background-color: ' + this.terminal_.getForegroundColor() + ';' + + 'color: ' + this.terminal_.getBackgroundColor() + ';' + + 'font-size: 16px;' + + 'font-family: ' + this.terminal_.getFontFamily()); + container.appendChild(header); + + if (false) { + // No use for the close button. + var button = document.createElement('div'); + button.setAttribute('role', 'button'); + button.style.cssText = ( + 'margin-top: -3px;' + + 'margin-right: 3px;' + + 'cursor: pointer;'); + button.textContent = '\u2a2f'; + button.addEventListener('click', this.onCloseClicked_.bind(this)); + header.appendChild(button); + } + + var iframe = this.iframe_ = document.createElement('iframe'); + iframe.onload = this.onLoad_.bind(this); + iframe.style.cssText = ( + 'display: -webkit-flex;' + + '-webkit-flex: 1;' + + 'width: 100%'); + iframe.setAttribute('src', this.url); + iframe.setAttribute('seamless', true); + container.appendChild(iframe); + + this.div_.appendChild(container); +}; +// SOURCE FILE: hterm/js/hterm_keyboard.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('hterm.Keyboard.KeyMap'); + +/** + * Keyboard handler. + * + * Consumes onKey* events and invokes onVTKeystroke on the associated + * hterm.Terminal object. + * + * See also: [XTERM] as referenced in vt.js. + * + * @param {hterm.Terminal} The Terminal object associated with this keyboard. + */ +hterm.Keyboard = function(terminal) { + // The parent vt interpreter. + this.terminal = terminal; + + // The element we're currently capturing keyboard events for. + this.keyboardElement_ = null; + + // The event handlers we are interested in, and their bound callbacks, saved + // so they can be uninstalled with removeEventListener, when required. + this.handlers_ = [ + ['blur', this.onBlur_.bind(this)], + ['keydown', this.onKeyDown_.bind(this)], + ['keypress', this.onKeyPress_.bind(this)], + ['keyup', this.onKeyUp_.bind(this)], + ['textInput', this.onTextInput_.bind(this)] + ]; + + /** + * The current key map. + */ + this.keyMap = new hterm.Keyboard.KeyMap(this); + + /** + * none: Disable any AltGr related munging. + * ctrl-alt: Assume Ctrl+Alt means AltGr. + * left-alt: Assume left Alt means AltGr. + * right-alt: Assume right Alt means AltGr. + */ + this.altGrMode = 'none'; + + /** + * If true, Shift-Insert will fall through to the browser as a paste. + * If false, the keystroke will be sent to the host. + */ + this.shiftInsertPaste = true; + + /** + * If true, home/end will control the terminal scrollbar and shift home/end + * will send the VT keycodes. If false then home/end sends VT codes and + * shift home/end scrolls. + */ + this.homeKeysScroll = false; + + /** + * Same as above, except for page up/page down. + */ + this.pageKeysScroll = false; + + /** + * If true, Ctrl-Plus/Minus/Zero controls zoom. + * If false, Ctrl-Shift-Plus/Minus/Zero controls zoom, Ctrl-Minus sends ^_, + * Ctrl-Plus/Zero do nothing. + */ + this.ctrlPlusMinusZeroZoom = true; + + /** + * Ctrl+C copies if true, sends ^C to host if false. + * Ctrl+Shift+C sends ^C to host if true, copies if false. + */ + this.ctrlCCopy = false; + + /** + * Ctrl+V pastes if true, sends ^V to host if false. + * Ctrl+Shift+V sends ^V to host if true, pastes if false. + */ + this.ctrlVPaste = false; + + /** + * Enable/disable application keypad. + * + * This changes the way numeric keys are sent from the keyboard. + */ + this.applicationKeypad = false; + + /** + * Enable/disable the application cursor mode. + * + * This changes the way cursor keys are sent from the keyboard. + */ + this.applicationCursor = false; + + /** + * If true, the backspace should send BS ('\x08', aka ^H). Otherwise + * the backspace key should send '\x7f'. + */ + this.backspaceSendsBackspace = false; + + /** + * The encoding method for data sent to the host. + */ + this.characterEncoding = 'utf-8'; + + /** + * Set whether the meta key sends a leading escape or not. + */ + this.metaSendsEscape = true; + + /** + * Set whether meta-V gets passed to host. + */ + this.passMetaV = true; + + /** + * Controls how the alt key is handled. + * + * escape....... Send an ESC prefix. + * 8-bit........ Add 128 to the unshifted character as in xterm. + * browser-key.. Wait for the keypress event and see what the browser says. + * (This won't work well on platforms where the browser + * performs a default action for some alt sequences.) + * + * This setting only matters when alt is distinct from meta (altIsMeta is + * false.) + */ + this.altSendsWhat = 'escape'; + + /** + * Set whether the alt key acts as a meta key, instead of producing 8-bit + * characters. + * + * True to enable, false to disable, null to autodetect based on platform. + */ + this.altIsMeta = false; + + /** + * If true, tries to detect DEL key events that are from alt-backspace on + * Chrome OS vs from a true DEL key press. + * + * Background: At the time of writing, on Chrome OS, alt-backspace is mapped + * to DEL. Some users may be happy with this, but others may be frustrated + * that it's impossible to do meta-backspace. If the user enables this pref, + * we use a trick to tell a true DEL keypress from alt-backspace: on + * alt-backspace, we will see the alt key go down, then get a DEL keystroke + * that indicates that alt is not pressed. See http://crbug.com/174410 . + */ + this.altBackspaceIsMetaBackspace = false; + + /** + * Used to keep track of the current alt-key state, which is necessary for + * the altBackspaceIsMetaBackspace preference above and for the altGrMode + * preference. This is a bitmap with where bit positions correspond to the + * "location" property of the key event. + */ + this.altKeyPressed = 0; + + /** + * If true, Chrome OS media keys will be mapped to their F-key equivalent. + * E.g. "Back" will be mapped to F1. If false, Chrome will handle the keys. + */ + this.mediaKeysAreFKeys = false; + + /** + * Holds the previous setting of altSendsWhat when DECSET 1039 is used. When + * DECRST 1039 is used, altSendsWhat is changed back to this and this is + * nulled out. + */ + this.previousAltSendsWhat_ = null; +}; + +/** + * Special handling for keyCodes in a keyboard layout. + */ +hterm.Keyboard.KeyActions = { + /** + * Call preventDefault and stopPropagation for this key event and nothing + * else. + */ + CANCEL: new String('CANCEL'), + + /** + * This performs the default terminal action for the key. If used in the + * 'normal' action and the the keystroke represents a printable key, the + * character will be sent to the host. If used in one of the modifier + * actions, the terminal will perform the normal action after (possibly) + * altering it. + * + * - If the normal sequence starts with CSI, the sequence will be adjusted + * to include the modifier parameter as described in [XTERM] in the final + * table of the "PC-Style Function Keys" section. + * + * - If the control key is down and the key represents a printable character, + * and the uppercase version of the unshifted keycap is between + * 64 (ASCII '@') and 95 (ASCII '_'), then the uppercase version of the + * unshifted keycap minus 64 is sent. This makes '^@' send '\x00' and + * '^_' send '\x1f'. (Note that one higher that 0x1f is 0x20, which is + * the first printable ASCII value.) + * + * - If the alt key is down and the key represents a printable character then + * the value of the character is shifted up by 128. + * + * - If meta is down and configured to send an escape, '\x1b' will be sent + * before the normal action is performed. + */ + DEFAULT: new String('DEFAULT'), + + /** + * Causes the terminal to opt out of handling the key event, instead letting + * the browser deal with it. + */ + PASS: new String('PASS'), + + /** + * Insert the first or second character of the keyCap, based on e.shiftKey. + * The key will be handled in onKeyDown, and e.preventDefault() will be + * called. + * + * It is useful for a modified key action, where it essentially strips the + * modifier while preventing the browser from reacting to the key. + */ + STRIP: new String('STRIP') +}; + +/** + * Encode a string according to the 'send-encoding' preference. + */ +hterm.Keyboard.prototype.encode = function(str) { + if (this.characterEncoding == 'utf-8') + return this.terminal.vt.encodeUTF8(str); + + return str; +}; + +/** + * Capture keyboard events sent to the associated element. + * + * This enables the keyboard. Captured events are consumed by this class + * and will not perform their default action or bubble to other elements. + * + * Passing a null element will uninstall the keyboard handlers. + * + * @param {HTMLElement} element The element whose events should be captured, or + * null to disable the keyboard. + */ +hterm.Keyboard.prototype.installKeyboard = function(element) { + if (element == this.keyboardElement_) + return; + + if (element && this.keyboardElement_) + this.installKeyboard(null); + + for (var i = 0; i < this.handlers_.length; i++) { + var handler = this.handlers_[i]; + if (element) { + element.addEventListener(handler[0], handler[1]); + } else { + this.keyboardElement_.removeEventListener(handler[0], handler[1]); + } + } + + this.keyboardElement_ = element; +}; + +/** + * Disable keyboard event capture. + * + * This will allow the browser to process key events normally. + */ +hterm.Keyboard.prototype.uninstallKeyboard = function() { + this.installKeyboard(null); +}; + +/** + * Handle onTextInput events. + * + * We're not actually supposed to get these, but we do on the Mac in the case + * where a third party app sends synthetic keystrokes to Chrome. + */ +hterm.Keyboard.prototype.onTextInput_ = function(e) { + if (!e.data) + return; + + e.data.split('').forEach(this.terminal.onVTKeystroke.bind(this.terminal)); +}; + +/** + * Handle onKeyPress events. + */ +hterm.Keyboard.prototype.onKeyPress_ = function(e) { + var code; + + var key = String.fromCharCode(e.which); + var lowerKey = key.toLowerCase(); + if ((e.ctrlKey || e.metaKey) && (lowerKey == 'c' || lowerKey == 'v')) { + // On FF the key press (not key down) event gets fired for copy/paste. + // Let it fall through for the default browser behaviour. + return; + } + + if (e.altKey && this.altSendsWhat == 'browser-key' && e.charCode == 0) { + // If we got here because we were expecting the browser to handle an + // alt sequence but it didn't do it, then we might be on an OS without + // an enabled IME system. In that case we fall back to xterm-like + // behavior. + // + // This happens here only as a fallback. Typically these platforms should + // set altSendsWhat to either 'escape' or '8-bit'. + var ch = String.fromCharCode(e.keyCode); + if (!e.shiftKey) + ch = ch.toLowerCase(); + code = ch.charCodeAt(0) + 128; + + } else if (e.charCode >= 32) { + ch = e.charCode; + } + + if (ch) + this.terminal.onVTKeystroke(String.fromCharCode(ch)); + + e.preventDefault(); + e.stopPropagation(); +}; + +/** + * Prevent default handling for non-shifted event. + * + * When combined with Chrome permission 'app.window.fullscreen.overrideEsc', + * and called for both key down and key up events, + * the ESC key remains usable within fullscreen Chrome app windows. + */ +hterm.Keyboard.prototype.preventChromeAppNonShiftDefault_ = function(e) { + if (!window.chrome || !window.chrome.app || !window.chrome.app.window) + return; + if (!e.shiftKey) + e.preventDefault(); +}; + +hterm.Keyboard.prototype.onBlur_ = function(e) { + this.altKeyPressed = 0; +}; + +hterm.Keyboard.prototype.onKeyUp_ = function(e) { + if (e.keyCode == 18) + this.altKeyPressed = this.altKeyPressed & ~(1 << (e.location - 1)); + + if (e.keyCode == 27) + this.preventChromeAppNonShiftDefault_(e); +}; + +/** + * Handle onKeyDown events. + */ +hterm.Keyboard.prototype.onKeyDown_ = function(e) { + if (e.keyCode == 18) + this.altKeyPressed = this.altKeyPressed | (1 << (e.location - 1)); + + if (e.keyCode == 27) + this.preventChromeAppNonShiftDefault_(e); + + var keyDef = this.keyMap.keyDefs[e.keyCode]; + if (!keyDef) { + console.warn('No definition for keyCode: ' + e.keyCode); + return; + } + + // The type of action we're going to use. + var resolvedActionType = null; + + var self = this; + function getAction(name) { + // Get the key action for the given action name. If the action is a + // function, dispatch it. If the action defers to the normal action, + // resolve that instead. + + resolvedActionType = name; + + var action = keyDef[name]; + if (typeof action == 'function') + action = action.apply(self.keyMap, [e, keyDef]); + + if (action === DEFAULT && name != 'normal') + action = getAction('normal'); + + return action; + } + + // Note that we use the triple-equals ('===') operator to test equality for + // these constants, in order to distingush usage of the constant from usage + // of a literal string that happens to contain the same bytes. + var CANCEL = hterm.Keyboard.KeyActions.CANCEL; + var DEFAULT = hterm.Keyboard.KeyActions.DEFAULT; + var PASS = hterm.Keyboard.KeyActions.PASS; + var STRIP = hterm.Keyboard.KeyActions.STRIP; + + var control = e.ctrlKey; + var alt = this.altIsMeta ? false : e.altKey; + var meta = this.altIsMeta ? (e.altKey || e.metaKey) : e.metaKey; + + // In the key-map, we surround the keyCap for non-printables in "[...]" + var isPrintable = !(/^\[\w+\]$/.test(keyDef.keyCap)); + + switch (this.altGrMode) { + case 'ctrl-alt': + if (isPrintable && control && alt) { + // ctrl-alt-printable means altGr. We clear out the control and + // alt modifiers and wait to see the charCode in the keydown event. + control = false; + alt = false; + } + break; + + case 'right-alt': + if (isPrintable && (this.terminal.keyboard.altKeyPressed & 2)) { + control = false; + alt = false; + } + break; + + case 'left-alt': + if (isPrintable && (this.terminal.keyboard.altKeyPressed & 1)) { + control = false; + alt = false; + } + break; + } + + var action; + + if (control) { + action = getAction('control'); + } else if (alt) { + action = getAction('alt'); + } else if (meta) { + action = getAction('meta'); + } else { + action = getAction('normal'); + } + + if (alt && this.altSendsWhat == 'browser-key' && action == DEFAULT) { + // When altSendsWhat is 'browser-key', we wait for the keypress event. + // In keypress, the browser should have set the event.charCode to the + // appropriate character. + // TODO(rginda): Character compositions will need some black magic. + action = PASS; + } + + if (action === PASS || (action === DEFAULT && !(control || alt || meta))) { + // If this key is supposed to be handled by the browser, or it is an + // unmodified key with the default action, then exit this event handler. + // If it's an unmodified key, it'll be handled in onKeyPress where we + // can tell for sure which ASCII code to insert. + // + // This block needs to come before the STRIP test, otherwise we'll strip + // the modifier and think it's ok to let the browser handle the keypress. + // The browser won't know we're trying to ignore the modifiers and might + // perform some default action. + return; + } + + if (action === STRIP) { + alt = control = false; + action = keyDef.normal; + if (typeof action == 'function') + action = action.apply(this.keyMap, [e, keyDef]); + + if (action == DEFAULT && keyDef.keyCap.length == 2) + action = keyDef.keyCap.substr((e.shiftKey ? 1 : 0), 1); + } + + e.preventDefault(); + e.stopPropagation(); + + if (action === CANCEL) + return; + + if (action !== DEFAULT && typeof action != 'string') { + console.warn('Invalid action: ' + JSON.stringify(action)); + return; + } + + // Strip the modifier that is associated with the action, since we assume that + // modifier has already been accounted for in the action. + if (resolvedActionType == 'control') { + control = false; + } else if (resolvedActionType == 'alt') { + alt = false; + } else if (resolvedActionType == 'meta') { + meta = false; + } + + // Maybe strip the shift modifier too, for the same reason as above. + // This is only used for Ctrl-Shift-Tab, which should send "CSI Z", not + // "CSI 1 ; 2 Z". + var shift = !e.maskShiftKey && e.shiftKey; + + if (action.substr(0, 2) == '\x1b[' && (alt || control || shift)) { + // The action is an escape sequence that and it was triggered in the + // presence of a keyboard modifier, we may need to alter the action to + // include the modifier before sending it. + + var mod; + + if (shift && !(alt || control)) { + mod = ';2'; + } else if (alt && !(shift || control)) { + mod = ';3'; + } else if (shift && alt && !control) { + mod = ';4'; + } else if (control && !(shift || alt)) { + mod = ';5'; + } else if (shift && control && !alt) { + mod = ';6'; + } else if (alt && control && !shift) { + mod = ';7'; + } else if (shift && alt && control) { + mod = ';8'; + } + + if (action.length == 3) { + // Some of the CSI sequences have zero parameters unless modified. + action = '\x1b[1' + mod + action.substr(2, 1); + } else { + // Others always have at least one parameter. + action = action.substr(0, action.length - 1) + mod + + action.substr(action.length - 1); + } + + } else { + if (action === DEFAULT) { + action = keyDef.keyCap.substr((e.shiftKey ? 1 : 0), 1); + + if (control) { + var unshifted = keyDef.keyCap.substr(0, 1); + var code = unshifted.charCodeAt(0); + if (code >= 64 && code <= 95) { + action = String.fromCharCode(code - 64); + } + } + } + + if (alt && this.altSendsWhat == '8-bit' && action.length == 1) { + var code = action.charCodeAt(0) + 128; + action = String.fromCharCode(code); + } + + // We respect alt/metaSendsEscape even if the keymap action was a literal + // string. Otherwise, every overridden alt/meta action would have to + // check alt/metaSendsEscape. + if ((alt && this.altSendsWhat == 'escape') || + (meta && this.metaSendsEscape)) { + action = '\x1b' + action; + } + } + + this.terminal.onVTKeystroke(action); +}; +// SOURCE FILE: hterm/js/hterm_keyboard_keymap.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('hterm.Keyboard.KeyActions'); + +/** + * The default key map for hterm. + * + * Contains a mapping of keyCodes to keyDefs (aka key definitions). The key + * definition tells the hterm.Keyboard class how to handle keycodes. + * + * This should work for most cases, as the printable characters get handled + * in the keypress event. In that case, even if the keycap is wrong in the + * key map, the correct character should be sent. + * + * Different layouts, such as Dvorak should work with this keymap, as those + * layouts typically move keycodes around on the keyboard without disturbing + * the actual keycaps. + * + * There may be issues with control keys on non-US keyboards or with keyboards + * that very significantly from the expectations here, in which case we may + * have to invent new key maps. + * + * The sequences defined in this key map come from [XTERM] as referenced in + * vt.js, starting with the section titled "Alt and Meta Keys". + */ +hterm.Keyboard.KeyMap = function(keyboard) { + this.keyboard = keyboard; + this.keyDefs = {}; + this.reset(); +}; + +/** + * Add a single key definition. + * + * The definition is a hash containing the following keys: 'keyCap', 'normal', + * 'control', and 'alt'. + * + * - keyCap is a string identifying the key. For printable + * keys, the key cap should be exactly two characters, starting with the + * unshifted version. For example, 'aA', 'bB', '1!' and '=+'. For + * non-printable the key cap should be surrounded in square braces, as in + * '[INS]', '[LEFT]'. By convention, non-printable keycaps are in uppercase + * but this is not a strict requirement. + * + * - Normal is the action that should be performed when they key is pressed + * in the absence of any modifier. See below for the supported actions. + * + * - Control is the action that should be performed when they key is pressed + * along with the control modifier. See below for the supported actions. + * + * - Alt is the action that should be performed when they key is pressed + * along with the alt modifier. See below for the supported actions. + * + * - Meta is the action that should be performed when they key is pressed + * along with the meta modifier. See below for the supported actions. + * + * Actions can be one of the hterm.Keyboard.KeyActions as documented below, + * a literal string, or an array. If the action is a literal string then + * the string is sent directly to the host. If the action is an array it + * is taken to be an escape sequence that may be altered by modifier keys. + * The second-to-last element of the array will be overwritten with the + * state of the modifier keys, as specified in the final table of "PC-Style + * Function Keys" from [XTERM]. + */ +hterm.Keyboard.KeyMap.prototype.addKeyDef = function(keyCode, def) { + if (keyCode in this.keyDefs) + console.warn('Duplicate keyCode: ' + keyCode); + + this.keyDefs[keyCode] = def; +}; + +/** + * Add mutiple key definitions in a single call. + * + * This function takes the key definitions as variable argument list. Each + * argument is the key definition specified as an array. + * + * (If the function took everything as one big hash we couldn't detect + * duplicates, and there would be a lot more typing involved.) + * + * Each key definition should have 6 elements: (keyCode, keyCap, normal action, + * control action, alt action and meta action). See KeyMap.addKeyDef for the + * meaning of these elements. + */ +hterm.Keyboard.KeyMap.prototype.addKeyDefs = function(var_args) { + for (var i = 0; i < arguments.length; i++) { + this.addKeyDef(arguments[i][0], + { keyCap: arguments[i][1], + normal: arguments[i][2], + control: arguments[i][3], + alt: arguments[i][4], + meta: arguments[i][5] + }); + } +}; + +/** + * Inherit from hterm.Keyboard.KeyMap, as defined in keyboard.js. + */ +hterm.Keyboard.KeyMap.prototype = { + __proto__: hterm.Keyboard.KeyMap.prototype +}; + +/** + * Set up the default state for this keymap. + */ +hterm.Keyboard.KeyMap.prototype.reset = function() { + this.keyDefs = {}; + + var self = this; + + // This function is used by the "macro" functions below. It makes it + // possible to use the call() macro as an argument to any other macro. + function resolve(action, e, k) { + if (typeof action == 'function') + return action.apply(self, [e, k]); + + return action; + } + + // If not application keypad a, else b. The keys that care about + // application keypad ignore it when the key is modified. + function ak(a, b) { + return function(e, k) { + var action = (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey || + !self.keyboard.applicationKeypad) ? a : b; + return resolve(action, e, k); + }; + } + + // If mod or not application cursor a, else b. The keys that care about + // application cursor ignore it when the key is modified. + function ac(a, b) { + return function(e, k) { + var action = (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey || + !self.keyboard.applicationCursor) ? a : b; + return resolve(action, e, k); + }; + } + + // If not backspace-sends-backspace keypad a, else b. + function bs(a, b) { + return function(e, k) { + var action = !self.keyboard.backspaceSendsBackspace ? a : b; + return resolve(action, e, k); + }; + } + + // If not e.shiftKey a, else b. + function sh(a, b) { + return function(e, k) { + var action = !e.shiftKey ? a : b; + e.maskShiftKey = true; + return resolve(action, e, k); + }; + } + + // If not e.altKey a, else b. + function alt(a, b) { + return function(e, k) { + var action = !e.altKey ? a : b; + return resolve(action, e, k); + }; + } + + // If no modifiers a, else b. + function mod(a, b) { + return function(e, k) { + var action = !(e.shiftKey || e.ctrlKey || e.altKey || e.metaKey) ? a : b; + return resolve(action, e, k); + }; + } + + // Compute a control character for a given character. + function ctl(ch) { return String.fromCharCode(ch.charCodeAt(0) - 64) } + + // Call a method on the keymap instance. + function c(m) { return function (e, k) { return this[m](e, k) } } + + // Ignore if not trapping media keys. + function med(fn) { + return function(e, k) { + if (!self.keyboard.mediaKeysAreFKeys) { + // Block Back, Forward, and Reload keys to avoid navigating away from + // the current page. + return (e.keyCode == 166 || e.keyCode == 167 || e.keyCode == 168) ? + hterm.Keyboard.KeyActions.CANCEL : + hterm.Keyboard.KeyActions.PASS; + } + return resolve(fn, e, k); + }; + } + + var ESC = '\x1b'; + var CSI = '\x1b['; + var SS3 = '\x1bO'; + + var CANCEL = hterm.Keyboard.KeyActions.CANCEL; + var DEFAULT = hterm.Keyboard.KeyActions.DEFAULT; + var PASS = hterm.Keyboard.KeyActions.PASS; + var STRIP = hterm.Keyboard.KeyActions.STRIP; + + this.addKeyDefs( + // These fields are: [keycode, keycap, normal, control, alt, meta] + + // The browser sends the keycode 0 for some keys. We'll just assume it's + // going to do the right thing by default for those keys. + [0, '[UNKNOWN]', PASS, PASS, PASS, PASS], + + // First row. + [27, '[ESC]', ESC, DEFAULT, DEFAULT, DEFAULT], + [112, '[F1]', mod(SS3 + 'P', CSI + 'P'), DEFAULT, CSI + "23~", DEFAULT], + [113, '[F2]', mod(SS3 + 'Q', CSI + 'Q'), DEFAULT, CSI + "24~", DEFAULT], + [114, '[F3]', mod(SS3 + 'R', CSI + 'R'), DEFAULT, CSI + "25~", DEFAULT], + [115, '[F4]', mod(SS3 + 'S', CSI + 'S'), DEFAULT, CSI + "26~", DEFAULT], + [116, '[F5]', CSI + '15~', DEFAULT, CSI + "28~", DEFAULT], + [117, '[F6]', CSI + '17~', DEFAULT, CSI + "29~", DEFAULT], + [118, '[F7]', CSI + '18~', DEFAULT, CSI + "31~", DEFAULT], + [119, '[F8]', CSI + '19~', DEFAULT, CSI + "32~", DEFAULT], + [120, '[F9]', CSI + '20~', DEFAULT, CSI + "33~", DEFAULT], + [121, '[F10]', CSI + '21~', DEFAULT, CSI + "34~", DEFAULT], + [122, '[F11]', CSI + '23~', DEFAULT, CSI + "42~", DEFAULT], + [123, '[F12]', CSI + '24~', DEFAULT, CSI + "43~", DEFAULT], + + // Second row. + [192, '`~', DEFAULT, sh(ctl('@'), ctl('^')), DEFAULT, PASS], + [49, '1!', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [50, '2@', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [51, '3#', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [52, '4$', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [53, '5%', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [54, '6^', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [55, '7&', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [56, '8*', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [57, '9(', DEFAULT, c('onCtrlNum_'), c('onAltNum_'), c('onMetaNum_')], + [48, '0)', DEFAULT, c('onPlusMinusZero_'),c('onAltNum_'),c('onPlusMinusZero_')], + [189, '-_', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')], + [187, '=+', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')], + // Firefox -_ and =+ + [173, '-_', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')], + [61, '=+', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')], + // Firefox Italian +* + [171, '+*', DEFAULT, c('onPlusMinusZero_'), DEFAULT, c('onPlusMinusZero_')], + + [8, '[BKSP]', bs('\x7f', '\b'), bs('\b', '\x7f'), DEFAULT, DEFAULT], + + // Third row. + [9, '[TAB]', sh('\t', CSI + 'Z'), STRIP, PASS, DEFAULT], + [81, 'qQ', DEFAULT, ctl('Q'), DEFAULT, DEFAULT], + [87, 'wW', DEFAULT, ctl('W'), DEFAULT, DEFAULT], + [69, 'eE', DEFAULT, ctl('E'), DEFAULT, DEFAULT], + [82, 'rR', DEFAULT, ctl('R'), DEFAULT, DEFAULT], + [84, 'tT', DEFAULT, ctl('T'), DEFAULT, DEFAULT], + [89, 'yY', DEFAULT, ctl('Y'), DEFAULT, DEFAULT], + [85, 'uU', DEFAULT, ctl('U'), DEFAULT, DEFAULT], + [73, 'iI', DEFAULT, ctl('I'), DEFAULT, DEFAULT], + [79, 'oO', DEFAULT, ctl('O'), DEFAULT, DEFAULT], + [80, 'pP', DEFAULT, ctl('P'), DEFAULT, DEFAULT], + [219, '[{', DEFAULT, ctl('['), DEFAULT, DEFAULT], + [221, ']}', DEFAULT, ctl(']'), DEFAULT, DEFAULT], + [220, '\\|', DEFAULT, ctl('\\'), DEFAULT, DEFAULT], + + // Fourth row. (We let Ctrl-Shift-J pass for Chrome DevTools.) + [20, '[CAPS]', PASS, PASS, PASS, DEFAULT], + [65, 'aA', DEFAULT, ctl('A'), DEFAULT, DEFAULT], + [83, 'sS', DEFAULT, ctl('S'), DEFAULT, DEFAULT], + [68, 'dD', DEFAULT, ctl('D'), DEFAULT, DEFAULT], + [70, 'fF', DEFAULT, ctl('F'), DEFAULT, DEFAULT], + [71, 'gG', DEFAULT, ctl('G'), DEFAULT, DEFAULT], + [72, 'hH', DEFAULT, ctl('H'), DEFAULT, DEFAULT], + [74, 'jJ', DEFAULT, sh(ctl('J'), PASS), DEFAULT, DEFAULT], + [75, 'kK', DEFAULT, sh(ctl('K'), c('onClear_')), DEFAULT, DEFAULT], + [76, 'lL', DEFAULT, sh(ctl('L'), PASS), DEFAULT, DEFAULT], + [186, ';:', DEFAULT, STRIP, DEFAULT, DEFAULT], + [222, '\'"', DEFAULT, STRIP, DEFAULT, DEFAULT], + [13, '[ENTER]', '\r', CANCEL, CANCEL, DEFAULT], + + // Fifth row. This includes the copy/paste shortcuts. On some + // platforms it's Ctrl-C/V, on others it's Meta-C/V. We assume either + // Ctrl-C/Meta-C should pass to the browser when there is a selection, + // and Ctrl-Shift-V/Meta-*-V should always pass to the browser (since + // these seem to be recognized as paste too). + [16, '[SHIFT]', PASS, PASS, PASS, DEFAULT], + [90, 'zZ', DEFAULT, ctl('Z'), DEFAULT, DEFAULT], + [88, 'xX', DEFAULT, ctl('X'), DEFAULT, DEFAULT], + [67, 'cC', DEFAULT, c('onCtrlC_'), DEFAULT, c('onMetaC_')], + [86, 'vV', DEFAULT, c('onCtrlV_'), DEFAULT, c('onMetaV_')], + [66, 'bB', DEFAULT, sh(ctl('B'), PASS), DEFAULT, sh(DEFAULT, PASS)], + [78, 'nN', DEFAULT, c('onCtrlN_'), DEFAULT, c('onMetaN_')], + [77, 'mM', DEFAULT, ctl('M'), DEFAULT, DEFAULT], + [188, ',<', DEFAULT, alt(STRIP, PASS), DEFAULT, DEFAULT], + [190, '.>', DEFAULT, alt(STRIP, PASS), DEFAULT, DEFAULT], + [191, '/?', DEFAULT, sh(ctl('_'), ctl('?')), DEFAULT, DEFAULT], + + // Sixth and final row. + [17, '[CTRL]', PASS, PASS, PASS, PASS], + [18, '[ALT]', PASS, PASS, PASS, PASS], + [91, '[LAPL]', PASS, PASS, PASS, PASS], + [32, ' ', DEFAULT, ctl('@'), DEFAULT, DEFAULT], + [92, '[RAPL]', PASS, PASS, PASS, PASS], + [93, '[RMENU]', PASS, PASS, PASS, PASS], + + // These things. + [42, '[PRTSCR]', PASS, PASS, PASS, PASS], + [145, '[SCRLK]', PASS, PASS, PASS, PASS], + [19, '[BREAK]', PASS, PASS, PASS, PASS], + + // The block of six keys above the arrows. + [45, '[INSERT]', c('onKeyInsert_'), DEFAULT, DEFAULT, DEFAULT], + [36, '[HOME]', c('onKeyHome_'), DEFAULT, DEFAULT, DEFAULT], + [33, '[PGUP]', c('onKeyPageUp_'), DEFAULT, DEFAULT, DEFAULT], + [46, '[DEL]', c('onKeyDel_'), DEFAULT, DEFAULT, DEFAULT], + [35, '[END]', c('onKeyEnd_'), DEFAULT, DEFAULT, DEFAULT], + [34, '[PGDOWN]', c('onKeyPageDown_'), DEFAULT, DEFAULT, DEFAULT], + + // Arrow keys. When unmodified they respect the application cursor state, + // otherwise they always send the CSI codes. + [38, '[UP]', ac(CSI + 'A', SS3 + 'A'), DEFAULT, DEFAULT, DEFAULT], + [40, '[DOWN]', ac(CSI + 'B', SS3 + 'B'), DEFAULT, DEFAULT, DEFAULT], + [39, '[RIGHT]', ac(CSI + 'C', SS3 + 'C'), DEFAULT, DEFAULT, DEFAULT], + [37, '[LEFT]', ac(CSI + 'D', SS3 + 'D'), DEFAULT, DEFAULT, DEFAULT], + + [144, '[NUMLOCK]', PASS, PASS, PASS, PASS], + + // With numlock off, the keypad generates the same key codes as the arrows + // and 'block of six' for some keys, and null key codes for the rest. + + // Keypad with numlock on generates unique key codes... + [96, '[KP0]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [97, '[KP1]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [98, '[KP2]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [99, '[KP3]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [100, '[KP4]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [101, '[KP5]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [102, '[KP6]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [103, '[KP7]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [104, '[KP8]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [105, '[KP9]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [107, '[KP+]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [109, '[KP-]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [106, '[KP*]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [111, '[KP/]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + [110, '[KP.]', DEFAULT, DEFAULT, DEFAULT, DEFAULT], + + // Chrome OS keyboard top row. + [166, '[BACK]', med(mod(SS3+'P', CSI+'P')), DEFAULT, CSI+"23~", DEFAULT], + [167, '[FWD]', med(mod(SS3+'Q', CSI+'Q')), DEFAULT, CSI+"24~", DEFAULT], + [168, '[RELOAD]', med(mod(SS3+'R', CSI+'R')), DEFAULT, CSI+"25~", DEFAULT], + [183, '[FSCR]', med(mod(SS3+'S', CSI+'S')), DEFAULT, CSI+"26~", DEFAULT], + [182, '[WINS]', med(CSI + '15~'), DEFAULT, CSI+"28~", DEFAULT], + [216, '[BRIT-]', med(CSI + '17~'), DEFAULT, CSI+"29~", DEFAULT], + [217, '[BRIT+]', med(CSI + '18~'), DEFAULT, CSI+"31~", DEFAULT] + + // 173 [MUTE], 174 [VOL-] and 175 [VOL+] are trapped by the Chrome OS + // window manager, so we'll never see them. Note that 173 is also + // Firefox's -_ keycode. + ); +}; + +/** + * Either allow the paste or send a key sequence. + */ +hterm.Keyboard.KeyMap.prototype.onKeyInsert_ = function(e) { + if (this.keyboard.shiftInsertPaste && e.shiftKey) + return hterm.Keyboard.KeyActions.PASS; + + return '\x1b[2~'; +}; + +/** + * Either scroll the scrollback buffer or send a key sequence. + */ +hterm.Keyboard.KeyMap.prototype.onKeyHome_ = function(e) { + if (!this.keyboard.homeKeysScroll ^ e.shiftKey) { + if ((e.altey || e.ctrlKey || e.shiftKey) || + !this.keyboard.applicationCursor) { + return '\x1b[H'; + } + + return '\x1bOH'; + } + + this.keyboard.terminal.scrollHome(); + return hterm.Keyboard.KeyActions.CANCEL; +}; + +/** + * Either scroll the scrollback buffer or send a key sequence. + */ +hterm.Keyboard.KeyMap.prototype.onKeyEnd_ = function(e) { + if (!this.keyboard.homeKeysScroll ^ e.shiftKey) { + if ((e.altKey || e.ctrlKey || e.shiftKey) || + !this.keyboard.applicationCursor) { + return '\x1b[F'; + } + + return '\x1bOF'; + } + + this.keyboard.terminal.scrollEnd(); + return hterm.Keyboard.KeyActions.CANCEL; +}; + +/** + * Either scroll the scrollback buffer or send a key sequence. + */ +hterm.Keyboard.KeyMap.prototype.onKeyPageUp_ = function(e) { + if (!this.keyboard.pageKeysScroll ^ e.shiftKey) + return '\x1b[5~'; + + this.keyboard.terminal.scrollPageUp(); + return hterm.Keyboard.KeyActions.CANCEL; +}; + +/** + * Either send a true DEL, or sub in meta-backspace. + * + * On Chrome OS, if we know the alt key is down, but we get a DEL event that + * claims that the alt key is not pressed, we know the DEL was a synthetic + * one from a user that hit alt-backspace. Based on a user pref, we can sub + * in meta-backspace in this case. + */ +hterm.Keyboard.KeyMap.prototype.onKeyDel_ = function(e) { + if (this.keyboard.altBackspaceIsMetaBackspace && + this.keyboard.altKeyPressed && !e.altKey) + return '\x1b\x7f'; + return '\x1b[3~'; +}; + +/** + * Either scroll the scrollback buffer or send a key sequence. + */ +hterm.Keyboard.KeyMap.prototype.onKeyPageDown_ = function(e) { + if (!this.keyboard.pageKeysScroll ^ e.shiftKey) + return '\x1b[6~'; + + this.keyboard.terminal.scrollPageDown(); + return hterm.Keyboard.KeyActions.CANCEL; +}; + +/** + * Clear the primary/alternate screens and the scrollback buffer. + */ +hterm.Keyboard.KeyMap.prototype.onClear_ = function(e, keyDef) { + this.keyboard.terminal.wipeContents(); + return hterm.Keyboard.KeyActions.CANCEL; +}; + +/** + * Either pass Ctrl-1..9 to the browser or send them to the host. + * + * Note that Ctrl-1 and Ctrl-9 don't actually have special sequences mapped + * to them in xterm or gnome-terminal. The range is really Ctrl-2..8, but + * we handle 1..9 since Chrome treats the whole range special. + */ +hterm.Keyboard.KeyMap.prototype.onCtrlNum_ = function(e, keyDef) { + // Compute a control character for a given character. + function ctl(ch) { return String.fromCharCode(ch.charCodeAt(0) - 64) } + + if (this.keyboard.terminal.passCtrlNumber && !e.shiftKey) + return hterm.Keyboard.KeyActions.PASS; + + switch (keyDef.keyCap.substr(0, 1)) { + case '1': return '1'; + case '2': return ctl('@'); + case '3': return ctl('['); + case '4': return ctl('\\'); + case '5': return ctl(']'); + case '6': return ctl('^'); + case '7': return ctl('_'); + case '8': return '\x7f'; + case '9': return '9'; + } +}; + +/** + * Either pass Alt-1..9 to the browser or send them to the host. + */ +hterm.Keyboard.KeyMap.prototype.onAltNum_ = function(e, keyDef) { + if (this.keyboard.terminal.passAltNumber && !e.shiftKey) + return hterm.Keyboard.KeyActions.PASS; + + return hterm.Keyboard.KeyActions.DEFAULT; +}; + +/** + * Either pass Meta-1..9 to the browser or send them to the host. + */ +hterm.Keyboard.KeyMap.prototype.onMetaNum_ = function(e, keyDef) { + if (this.keyboard.terminal.passMetaNumber && !e.shiftKey) + return hterm.Keyboard.KeyActions.PASS; + + return hterm.Keyboard.KeyActions.DEFAULT; +}; + +/** + * Either send a ^C or interpret the keystroke as a copy command. + */ +hterm.Keyboard.KeyMap.prototype.onCtrlC_ = function(e, keyDef) { + var selection = this.keyboard.terminal.getDocument().getSelection(); + + if (!selection.isCollapsed) { + if (this.keyboard.ctrlCCopy && !e.shiftKey) { + // Ctrl-C should copy if there is a selection, send ^C otherwise. + // Perform the copy by letting the browser handle Ctrl-C. On most + // browsers, this is the *only* way to place text on the clipboard from + // the 'drive-by' web. + if (this.keyboard.terminal.clearSelectionAfterCopy) { + setTimeout(selection.collapseToEnd.bind(selection), 50); + } + if (this.keyboard.terminal.prefs_.get('enable-clipboard-notice')) + setTimeout(this.keyboard.terminal.showOverlay.bind(this.keyboard.terminal, hterm.notifyCopyMessage, 500), 200); + return hterm.Keyboard.KeyActions.PASS; + } + + if (!this.keyboard.ctrlCCopy && e.shiftKey) { + // Ctrl-Shift-C should copy if there is a selection, send ^C otherwise. + // Perform the copy manually. This only works in situations where + // document.execCommand('copy') is allowed. + if (this.keyboard.terminal.clearSelectionAfterCopy) { + setTimeout(selection.collapseToEnd.bind(selection), 50); + } + this.keyboard.terminal.copySelectionToClipboard(); + return hterm.Keyboard.KeyActions.CANCEL; + } + } + + return '\x03'; +}; + +/** + * Either send a ^N or open a new window to the same location. + */ +hterm.Keyboard.KeyMap.prototype.onCtrlN_ = function(e, keyDef) { + if (e.shiftKey) { + window.open(document.location.href, '', + 'chrome=no,close=yes,resize=yes,scrollbars=yes,' + + 'minimizable=yes,width=' + window.innerWidth + + ',height=' + window.innerHeight); + return hterm.Keyboard.KeyActions.CANCEL; + } + + return '\x0e'; +}; + +/** + * Either send a ^V or allow the browser to interpret the keystroke as a paste + * command. + * + * The default behavior is to paste if the user presses Ctrl-Shift-V, and send + * a ^V if the user presses Ctrl-V. This can be flipped with the + * 'ctrl-v-paste' preference. + */ +hterm.Keyboard.KeyMap.prototype.onCtrlV_ = function(e, keyDef) { + if ((!e.shiftKey && this.keyboard.ctrlVPaste) || + (e.shiftKey && !this.keyboard.ctrlVPaste)) { + return hterm.Keyboard.KeyActions.PASS; + } + + return '\x16'; +}; + +/** + * Either the default action or open a new window to the same location. + */ +hterm.Keyboard.KeyMap.prototype.onMetaN_ = function(e, keyDef) { + if (e.shiftKey) { + window.open(document.location.href, '', + 'chrome=no,close=yes,resize=yes,scrollbars=yes,' + + 'minimizable=yes,width=' + window.outerWidth + + ',height=' + window.outerHeight); + return hterm.Keyboard.KeyActions.CANCEL; + } + + return hterm.Keyboard.KeyActions.DEFAULT; +}; + +/** + * Either send a Meta-C or allow the browser to interpret the keystroke as a + * copy command. + * + * If there is no selection, or if the user presses Meta-Shift-C, then we'll + * transmit an '\x1b' (if metaSendsEscape is on) followed by 'c' or 'C'. + * + * If there is a selection, we defer to the browser. In this case we clear out + * the selection so the user knows we heard them, and also to give them a + * chance to send a Meta-C by just hitting the key again. + */ +hterm.Keyboard.KeyMap.prototype.onMetaC_ = function(e, keyDef) { + var document = this.keyboard.terminal.getDocument(); + if (e.shiftKey || document.getSelection().isCollapsed) { + // If the shift key is being held, or there is no document selection, send + // a Meta-C. The keyboard code will add the ESC if metaSendsEscape is true, + // we just have to decide between 'c' and 'C'. + return keyDef.keyCap.substr(e.shiftKey ? 1 : 0, 1); + } + + // Otherwise let the browser handle it as a copy command. + if (this.keyboard.terminal.clearSelectionAfterCopy) { + setTimeout(function() { document.getSelection().collapseToEnd() }, 50); + } + return hterm.Keyboard.KeyActions.PASS; +}; + +/** + * Either PASS or DEFAULT Meta-V, depending on preference. + * + * Always PASS Meta-Shift-V to allow browser to interpret the keystroke as + * a paste command. + */ +hterm.Keyboard.KeyMap.prototype.onMetaV_ = function(e, keyDef) { + if (e.shiftKey) + return hterm.Keyboard.KeyActions.PASS; + + return this.keyboard.passMetaV ? + hterm.Keyboard.KeyActions.PASS : + hterm.Keyboard.KeyActions.DEFAULT; +}; + +/** + * Handle font zooming. + * + * The browser's built-in zoom has a bit of an issue at certain zoom levels. + * At some magnifications, the measured height of a row of text differs from + * the height that was explicitly set. + * + * We override the browser zoom keys to change the ScrollPort's font size to + * avoid the issue. + */ +hterm.Keyboard.KeyMap.prototype.onPlusMinusZero_ = function(e, keyDef) { + if (!(this.keyboard.ctrlPlusMinusZeroZoom ^ e.shiftKey)) { + // If ctrl-PMZ controls zoom and the shift key is pressed, or + // ctrl-shift-PMZ controls zoom and this shift key is not pressed, + // then we want to send the control code instead of affecting zoom. + if (keyDef.keyCap == '-_') + return '\x1f'; // ^_ + + // Only ^_ is valid, the other sequences have no meaning. + return hterm.Keyboard.KeyActions.CANCEL; + } + + if (this.keyboard.terminal.getZoomFactor() != 1) { + // If we're not at 1:1 zoom factor, let the Ctrl +/-/0 keys control the + // browser zoom, so it's easier to for the user to get back to 100%. + return hterm.Keyboard.KeyActions.PASS; + } + + var cap = keyDef.keyCap.substr(0, 1); + if (cap == '0') { + this.keyboard.terminal.setFontSize(0); + } else { + var size = this.keyboard.terminal.getFontSize(); + + if (cap == '-') { + size -= 1; + } else { + size += 1; + } + + this.keyboard.terminal.setFontSize(size); + } + + return hterm.Keyboard.KeyActions.CANCEL; +}; +// SOURCE FILE: hterm/js/hterm_options.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * @fileoverview This file implements the hterm.Options class, + * which stores current operating conditions for the terminal. This object is + * used instead of a series of parameters to allow saving/restoring of cursor + * conditions easily, and to provide an easy place for common configuration + * options. + * + * Original code by Cory Maccarrone. + */ + +/** + * Constructor for the hterm.Options class, optionally acting as a copy + * constructor. + * + * The defaults are as defined in http://www.vt100.net/docs/vt510-rm/DECSTR + * except that we enable autowrap (wraparound) by defaut since that seems to + * be what xterm does. + * + * @param {hterm.Options=} opt_copy Optional instance to copy. + * @constructor + */ +hterm.Options = function(opt_copy) { + // All attributes in this class are public to allow easy access by the + // terminal. + + this.wraparound = opt_copy ? opt_copy.wraparound : true; + this.reverseWraparound = opt_copy ? opt_copy.reverseWraparound : false; + this.originMode = opt_copy ? opt_copy.originMode : false; + this.autoCarriageReturn = opt_copy ? opt_copy.autoCarriageReturn : false; + this.cursorVisible = opt_copy ? opt_copy.cursorVisible : false; + this.cursorBlink = opt_copy ? opt_copy.cursorBlink : false; + this.insertMode = opt_copy ? opt_copy.insertMode : false; + this.reverseVideo = opt_copy ? opt_copy.reverseVideo : false; + this.bracketedPaste = opt_copy ? opt_copy.bracketedPaste : false; +}; +// SOURCE FILE: hterm/js/hterm_preference_manager.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.f', 'lib.Storage'); + +/** + * PreferenceManager subclass managing global NaSSH preferences. + * + * This is currently just an ordered list of known connection profiles. + */ +hterm.PreferenceManager = function(profileId) { + lib.PreferenceManager.call(this, hterm.defaultStorage, + '/hterm/profiles/' + profileId); + var defs = hterm.PreferenceManager.defaultPreferences; + Object.keys(defs).forEach(function(key) { + this.definePreference(key, defs[key]); + }.bind(this)); +}; + +hterm.PreferenceManager.defaultPreferences = { + /** + * Select an AltGr detection hack^Wheuristic. + * + * null: Autodetect based on navigator.language: + * 'en-us' => 'none', else => 'right-alt' + * 'none': Disable any AltGr related munging. + * 'ctrl-alt': Assume Ctrl+Alt means AltGr. + * 'left-alt': Assume left Alt means AltGr. + * 'right-alt': Assume right Alt means AltGr. + */ + 'alt-gr-mode': null, + + /** + * If set, undoes the Chrome OS Alt-Backspace->DEL remap, so that + * alt-backspace indeed is alt-backspace. + */ + 'alt-backspace-is-meta-backspace': false, + + /** + * Set whether the alt key acts as a meta key or as a distinct alt key. + */ + 'alt-is-meta': false, + + /** + * Controls how the alt key is handled. + * + * escape....... Send an ESC prefix. + * 8-bit........ Add 128 to the unshifted character as in xterm. + * browser-key.. Wait for the keypress event and see what the browser says. + * (This won't work well on platforms where the browser + * performs a default action for some alt sequences.) + */ + 'alt-sends-what': 'escape', + + /** + * Terminal bell sound. Empty string for no audible bell. + */ + 'audible-bell-sound': 'lib-resource:hterm/audio/bell', + + /** + * If true, terminal bells in the background will create a Web + * Notification. http://www.w3.org/TR/notifications/ + * + * Displaying notifications requires permission from the user. When this + * option is set to true, hterm will attempt to ask the user for permission + * if necessary. Note browsers may not show this permission request if it + * did not originate from a user action. + * + * Chrome extensions with the "notfications" permission have permission to + * display notifications. + */ + 'desktop-notification-bell': false, + + /** + * The background color for text with no other color attributes. + */ + 'background-color': 'rgb(16, 16, 16)', + + /** + * The background image. + */ + 'background-image': '', + + /** + * The background image size, + * + * Defaults to none. + */ + 'background-size': '', + + /** + * The background image position, + * + * Defaults to none. + */ + 'background-position': '', + + /** + * If true, the backspace should send BS ('\x08', aka ^H). Otherwise + * the backspace key should send '\x7f'. + */ + 'backspace-sends-backspace': false, + + /** + * Character map overrides. + * + * This is specified as an object. It is a sparse array, where each property + * is the character set code and the value is an object that is a sparse array + * itself. In that sparse array, each property is the received character and + * the value is the displayed character. + * + * For example: + * {"0":{"+":"\u2192",",":"\u2190","-":"\u2191",".":"\u2193","0":"\u2588"}} + */ + 'character-map-overrides': null, + + /** + * Whether or not to close the window when the command exits. + */ + 'close-on-exit': true, + + /** + * Whether or not to blink the cursor by default. + */ + 'cursor-blink': false, + + /** + * The cursor blink rate in milliseconds. + * + * A two element array, the first of which is how long the cursor should be + * on, second is how long it should be off. + */ + 'cursor-blink-cycle': [1000, 500], + + /** + * The color of the visible cursor. + */ + 'cursor-color': 'rgba(255, 0, 0, 0.5)', + + /** + * Override colors in the default palette. + * + * This can be specified as an array or an object. If specified as an + * object it is assumed to be a sparse array, where each property + * is a numeric index into the color palette. + * + * Values can be specified as css almost any css color value. This + * includes #RGB, #RRGGBB, rgb(...), rgba(...), and any color names + * that are also part of the stock X11 rgb.txt file. + * + * You can use 'null' to specify that the default value should be not + * be changed. This is useful for skipping a small number of indicies + * when the value is specified as an array. + */ + 'color-palette-overrides': null, + + /** + * Automatically copy mouse selection to the clipboard. + */ + 'copy-on-select': true, + + /** + * Whether to use the default window copy behaviour. + */ + 'use-default-window-copy': false, + + /** + * Whether to clear the selection after copying. + */ + 'clear-selection-after-copy': true, + + /** + * If true, Ctrl-Plus/Minus/Zero controls zoom. + * If false, Ctrl-Shift-Plus/Minus/Zero controls zoom, Ctrl-Minus sends ^_, + * Ctrl-Plus/Zero do nothing. + */ + 'ctrl-plus-minus-zero-zoom': true, + + /** + * Ctrl+C copies if true, send ^C to host if false. + * Ctrl+Shift+C sends ^C to host if true, copies if false. + */ + 'ctrl-c-copy': false, + + /** + * Ctrl+V pastes if true, send ^V to host if false. + * Ctrl+Shift+V sends ^V to host if true, pastes if false. + */ + 'ctrl-v-paste': false, + + /** + * Set whether East Asian Ambiguous characters have two column width. + */ + 'east-asian-ambiguous-as-two-column': false, + + /** + * True to enable 8-bit control characters, false to ignore them. + * + * We'll respect the two-byte versions of these control characters + * regardless of this setting. + */ + 'enable-8-bit-control': false, + + /** + * True if we should use bold weight font for text with the bold/bright + * attribute. False to use the normal weight font. Null to autodetect. + */ + 'enable-bold': null, + + /** + * True if we should use bright colors (8-15 on a 16 color palette) + * for any text with the bold attribute. False otherwise. + */ + 'enable-bold-as-bright': true, + + /** + * Allow the host to write directly to the system clipboard. + */ + 'enable-clipboard-notice': true, + + /** + * Allow the host to write directly to the system clipboard. + */ + 'enable-clipboard-write': true, + + /** + * Respect the host's attempt to change the cursor blink status using + * DEC Private Mode 12. + */ + 'enable-dec12': false, + + /** + * The default environment variables. + */ + 'environment': {'TERM': 'xterm-256color'}, + + /** + * Default font family for the terminal text. + */ + 'font-family': ('"DejaVu Sans Mono", "Everson Mono", ' + + 'FreeMono, "Menlo", "Terminal", ' + + 'monospace'), + + /** + * The default font size in pixels. + */ + 'font-size': 15, + + /** + * Anti-aliasing. + */ + 'font-smoothing': 'antialiased', + + /** + * The foreground color for text with no other color attributes. + */ + 'foreground-color': 'rgb(240, 240, 240)', + + /** + * If true, home/end will control the terminal scrollbar and shift home/end + * will send the VT keycodes. If false then home/end sends VT codes and + * shift home/end scrolls. + */ + 'home-keys-scroll': false, + + /** + * Max length of a DCS, OSC, PM, or APS sequence before we give up and + * ignore the code. + */ + 'max-string-sequence': 100000, + + /** + * If true, convert media keys to their Fkey equivalent. If false, let + * Chrome handle the keys. + */ + 'media-keys-are-fkeys': false, + + /** + * Set whether the meta key sends a leading escape or not. + */ + 'meta-sends-escape': true, + + /** + * Mouse paste button, or null to autodetect. + * + * For autodetect, we'll try to enable middle button paste for non-X11 + * platforms. + * + * On X11 we move it to button 3, but that'll probably be a context menu + * in the future. + */ + 'mouse-paste-button': null, + + /** + * If true, page up/down will control the terminal scrollbar and shift + * page up/down will send the VT keycodes. If false then page up/down + * sends VT codes and shift page up/down scrolls. + */ + 'page-keys-scroll': false, + + /** + * Set whether we should pass Alt-1..9 to the browser. + * + * This is handy when running hterm in a browser tab, so that you don't lose + * Chrome's "switch to tab" keyboard accelerators. When not running in a + * tab it's better to send these keys to the host so they can be used in + * vim or emacs. + * + * If true, Alt-1..9 will be handled by the browser. If false, Alt-1..9 + * will be sent to the host. If null, autodetect based on browser platform + * and window type. + */ + 'pass-alt-number': null, + + /** + * Set whether we should pass Ctrl-1..9 to the browser. + * + * This is handy when running hterm in a browser tab, so that you don't lose + * Chrome's "switch to tab" keyboard accelerators. When not running in a + * tab it's better to send these keys to the host so they can be used in + * vim or emacs. + * + * If true, Ctrl-1..9 will be handled by the browser. If false, Ctrl-1..9 + * will be sent to the host. If null, autodetect based on browser platform + * and window type. + */ + 'pass-ctrl-number': null, + + /** + * Set whether we should pass Meta-1..9 to the browser. + * + * This is handy when running hterm in a browser tab, so that you don't lose + * Chrome's "switch to tab" keyboard accelerators. When not running in a + * tab it's better to send these keys to the host so they can be used in + * vim or emacs. + * + * If true, Meta-1..9 will be handled by the browser. If false, Meta-1..9 + * will be sent to the host. If null, autodetect based on browser platform + * and window type. + */ + 'pass-meta-number': null, + + /** + * Set whether meta-V gets passed to host. + */ + 'pass-meta-v': true, + + /** + * Set the expected encoding for data received from the host. + * + * Valid values are 'utf-8' and 'raw'. + */ + 'receive-encoding': 'utf-8', + + /** + * If true, scroll to the bottom on any keystroke. + */ + 'scroll-on-keystroke': true, + + /** + * If true, scroll to the bottom on terminal output. + */ + 'scroll-on-output': false, + + /** + * The vertical scrollbar mode. + */ + 'scrollbar-visible': true, + + /** + * The multiplier for the pixel delta in mousewheel event caused by the scroll + * wheel. Alters how fast the page scrolls. + */ + 'scroll-wheel-move-multiplier': 1, + + /** + * Set the encoding for data sent to host. + * + * Valid values are 'utf-8' and 'raw'. + */ + 'send-encoding': 'utf-8', + + /** + * Shift + Insert pastes if true, sent to host if false. + */ + 'shift-insert-paste': true, + + /** + * User stylesheet to include in the terminal document. + */ + 'user-css': '' +}; + +hterm.PreferenceManager.prototype = { + __proto__: lib.PreferenceManager.prototype +}; +// SOURCE FILE: hterm/js/hterm_pubsub.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +/** + * Utility class used to add publish/subscribe/unsubscribe functionality to + * an existing object. + */ +hterm.PubSub = function() { + this.observers_ = {}; +}; + +/** + * Add publish, subscribe, and unsubscribe methods to an existing object. + * + * No other properties of the object are touched, so there is no need to + * worry about clashing private properties. + * + * @param {Object} obj The object to add this behavior to. + */ +hterm.PubSub.addBehavior = function(obj) { + var pubsub = new hterm.PubSub(); + for (var m in hterm.PubSub.prototype) { + obj[m] = hterm.PubSub.prototype[m].bind(pubsub); + } +}; + +/** + * Subscribe to be notified of messages about a subject. + * + * @param {string} subject The subject to subscribe to. + * @param {function(Object)} callback The function to invoke for notifications. + */ +hterm.PubSub.prototype.subscribe = function(subject, callback) { + if (!(subject in this.observers_)) + this.observers_[subject] = []; + + this.observers_[subject].push(callback); +}; + +/** + * Unsubscribe from a subject. + * + * @param {string} subject The subject to unsubscribe from. + * @param {function(Object)} callback A callback previously registered via + * subscribe(). + */ +hterm.PubSub.prototype.unsubscribe = function(subject, callback) { + var list = this.observers_[subject]; + if (!list) + throw 'Invalid subject: ' + subject; + + var i = list.indexOf(callback); + if (i < 0) + throw 'Not subscribed: ' + subject; + + list.splice(i, 1); +}; + +/** + * Publish a message about a subject. + * + * Subscribers (and the optional final callback) are invoked asynchronously. + * This method will return before anyone is actually notified. + * + * @param {string} subject The subject to publish about. + * @param {Object} e An arbitrary object associated with this notification. + * @param {function(Object)} opt_lastCallback An optional function to call after + * all subscribers have been notified. + */ +hterm.PubSub.prototype.publish = function(subject, e, opt_lastCallback) { + function notifyList(i) { + // Set this timeout before invoking the callback, so we don't have to + // concern ourselves with exceptions. + if (i < list.length - 1) + setTimeout(notifyList, 0, i + 1); + + list[i](e); + } + + var list = this.observers_[subject]; + if (list) { + // Copy the list, in case it changes while we're notifying. + list = [].concat(list); + } + + if (opt_lastCallback) { + if (list) { + list.push(opt_lastCallback); + } else { + list = [opt_lastCallback]; + } + } + + if (list) + setTimeout(notifyList, 0, 0); +}; +// SOURCE FILE: hterm/js/hterm_screen.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.f', 'lib.wc', + 'hterm.RowCol', 'hterm.Size', 'hterm.TextAttributes'); + +/** + * @fileoverview This class represents a single terminal screen full of text. + * + * It maintains the current cursor position and has basic methods for text + * insert and overwrite, and adding or removing rows from the screen. + * + * This class has no knowledge of the scrollback buffer. + * + * The number of rows on the screen is determined only by the number of rows + * that the caller inserts into the screen. If a caller wants to ensure a + * constant number of rows on the screen, it's their responsibility to remove a + * row for each row inserted. + * + * The screen width, in contrast, is enforced locally. + * + * + * In practice... + * - The hterm.Terminal class holds two hterm.Screen instances. One for the + * primary screen and one for the alternate screen. + * + * - The html.Screen class only cares that rows are HTMLElements. In the + * larger context of hterm, however, the rows happen to be displayed by an + * hterm.ScrollPort and have to follow a few rules as a result. Each + * row must be rooted by the custom HTML tag 'x-row', and each must have a + * rowIndex property that corresponds to the index of the row in the context + * of the scrollback buffer. These invariants are enforced by hterm.Terminal + * because that is the class using the hterm.Screen in the context of an + * hterm.ScrollPort. + */ + +/** + * Create a new screen instance. + * + * The screen initially has no rows and a maximum column count of 0. + * + * @param {integer} opt_columnCount The maximum number of columns for this + * screen. See insertString() and overwriteString() for information about + * what happens when too many characters are added too a row. Defaults to + * 0 if not provided. + */ +hterm.Screen = function(opt_columnCount) { + /** + * Public, read-only access to the rows in this screen. + */ + this.rowsArray = []; + + // The max column width for this screen. + this.columnCount_ = opt_columnCount || 80; + + // The current color, bold, underline and blink attributes. + this.textAttributes = new hterm.TextAttributes(window.document); + + // Current zero-based cursor coordinates. + this.cursorPosition = new hterm.RowCol(0, 0); + + // The node containing the row that the cursor is positioned on. + this.cursorRowNode_ = null; + + // The node containing the span of text that the cursor is positioned on. + this.cursorNode_ = null; + + // The offset in column width into cursorNode_ where the cursor is positioned. + this.cursorOffset_ = null; +}; + +/** + * Return the screen size as an hterm.Size object. + * + * @return {hterm.Size} hterm.Size object representing the current number + * of rows and columns in this screen. + */ +hterm.Screen.prototype.getSize = function() { + return new hterm.Size(this.columnCount_, this.rowsArray.length); +}; + +/** + * Return the current number of rows in this screen. + * + * @return {integer} The number of rows in this screen. + */ +hterm.Screen.prototype.getHeight = function() { + return this.rowsArray.length; +}; + +/** + * Return the current number of columns in this screen. + * + * @return {integer} The number of columns in this screen. + */ +hterm.Screen.prototype.getWidth = function() { + return this.columnCount_; +}; + +/** + * Set the maximum number of columns per row. + * + * @param {integer} count The maximum number of columns per row. + */ +hterm.Screen.prototype.setColumnCount = function(count) { + this.columnCount_ = count; + + if (this.cursorPosition.column >= count) + this.setCursorPosition(this.cursorPosition.row, count - 1); +}; + +/** + * Remove the first row from the screen and return it. + * + * @return {HTMLElement} The first row in this screen. + */ +hterm.Screen.prototype.shiftRow = function() { + return this.shiftRows(1)[0]; +}; + +/** + * Remove rows from the top of the screen and return them as an array. + * + * @param {integer} count The number of rows to remove. + * @return {Array.} The selected rows. + */ +hterm.Screen.prototype.shiftRows = function(count) { + return this.rowsArray.splice(0, count); +}; + +/** + * Insert a row at the top of the screen. + * + * @param {HTMLElement} The row to insert. + */ +hterm.Screen.prototype.unshiftRow = function(row) { + this.rowsArray.splice(0, 0, row); +}; + +/** + * Insert rows at the top of the screen. + * + * @param {Array.} The rows to insert. + */ +hterm.Screen.prototype.unshiftRows = function(rows) { + this.rowsArray.unshift.apply(this.rowsArray, rows); +}; + +/** + * Remove the last row from the screen and return it. + * + * @return {HTMLElement} The last row in this screen. + */ +hterm.Screen.prototype.popRow = function() { + return this.popRows(1)[0]; +}; + +/** + * Remove rows from the bottom of the screen and return them as an array. + * + * @param {integer} count The number of rows to remove. + * @return {Array.} The selected rows. + */ +hterm.Screen.prototype.popRows = function(count) { + return this.rowsArray.splice(this.rowsArray.length - count, count); +}; + +/** + * Insert a row at the bottom of the screen. + * + * @param {HTMLElement} The row to insert. + */ +hterm.Screen.prototype.pushRow = function(row) { + this.rowsArray.push(row); +}; + +/** + * Insert rows at the bottom of the screen. + * + * @param {Array.} The rows to insert. + */ +hterm.Screen.prototype.pushRows = function(rows) { + rows.push.apply(this.rowsArray, rows); +}; + +/** + * Insert a row at the specified column of the screen. + * + * @param {HTMLElement} The row to insert. + */ +hterm.Screen.prototype.insertRow = function(index, row) { + this.rowsArray.splice(index, 0, row); +}; + +/** + * Insert rows at the specified column of the screen. + * + * @param {Array.} The rows to insert. + */ +hterm.Screen.prototype.insertRows = function(index, rows) { + for (var i = 0; i < rows.length; i++) { + this.rowsArray.splice(index + i, 0, rows[i]); + } +}; + +/** + * Remove a last row from the specified column of the screen and return it. + * + * @return {HTMLElement} The selected row. + */ +hterm.Screen.prototype.removeRow = function(index) { + return this.rowsArray.splice(index, 1)[0]; +}; + +/** + * Remove rows from the bottom of the screen and return them as an array. + * + * @param {integer} count The number of rows to remove. + * @return {Array.} The selected rows. + */ +hterm.Screen.prototype.removeRows = function(index, count) { + return this.rowsArray.splice(index, count); +}; + +/** + * Invalidate the current cursor position. + * + * This sets this.cursorPosition to (0, 0) and clears out some internal + * data. + * + * Attempting to insert or overwrite text while the cursor position is invalid + * will raise an obscure exception. + */ +hterm.Screen.prototype.invalidateCursorPosition = function() { + this.cursorPosition.move(0, 0); + this.cursorRowNode_ = null; + this.cursorNode_ = null; + this.cursorOffset_ = null; +}; + +/** + * Clear the contents of the cursor row. + */ +hterm.Screen.prototype.clearCursorRow = function() { + this.cursorRowNode_.innerHTML = ''; + this.cursorRowNode_.removeAttribute('line-overflow'); + this.cursorOffset_ = 0; + this.cursorPosition.column = 0; + this.cursorPosition.overflow = false; + + var text; + if (this.textAttributes.isDefault()) { + text = ''; + } else { + text = lib.f.getWhitespace(this.columnCount_); + } + + // We shouldn't honour inverse colors when clearing an area, to match + // xterm's back color erase behaviour. + var inverse = this.textAttributes.inverse; + this.textAttributes.inverse = false; + this.textAttributes.syncColors(); + + var node = this.textAttributes.createContainer(text); + this.cursorRowNode_.appendChild(node); + this.cursorNode_ = node; + + this.textAttributes.inverse = inverse; + this.textAttributes.syncColors(); +}; + +/** + * Mark the current row as having overflowed to the next line. + * + * The line overflow state is used when converting a range of rows into text. + * It makes it possible to recombine two or more overflow terminal rows into + * a single line. + * + * This is distinct from the cursor being in the overflow state. Cursor + * overflow indicates that printing at the cursor position will commit a + * line overflow, unless it is preceded by a repositioning of the cursor + * to a non-overflow state. + */ +hterm.Screen.prototype.commitLineOverflow = function() { + this.cursorRowNode_.setAttribute('line-overflow', true); +}; + +/** + * Relocate the cursor to a give row and column. + * + * @param {integer} row The zero based row. + * @param {integer} column The zero based column. + */ +hterm.Screen.prototype.setCursorPosition = function(row, column) { + if (!this.rowsArray.length) { + console.warn('Attempt to set cursor position on empty screen.'); + return; + } + + if (row >= this.rowsArray.length) { + console.error('Row out of bounds: ' + row); + row = this.rowsArray.length - 1; + } else if (row < 0) { + console.error('Row out of bounds: ' + row); + row = 0; + } + + if (column >= this.columnCount_) { + console.error('Column out of bounds: ' + column); + column = this.columnCount_ - 1; + } else if (column < 0) { + console.error('Column out of bounds: ' + column); + column = 0; + } + + this.cursorPosition.overflow = false; + + var rowNode = this.rowsArray[row]; + var node = rowNode.firstChild; + + if (!node) { + node = rowNode.ownerDocument.createTextNode(''); + rowNode.appendChild(node); + } + + var currentColumn = 0; + + if (rowNode == this.cursorRowNode_) { + if (column >= this.cursorPosition.column - this.cursorOffset_) { + node = this.cursorNode_; + currentColumn = this.cursorPosition.column - this.cursorOffset_; + } + } else { + this.cursorRowNode_ = rowNode; + } + + this.cursorPosition.move(row, column); + + while (node) { + var offset = column - currentColumn; + var width = hterm.TextAttributes.nodeWidth(node); + if (!node.nextSibling || width > offset) { + this.cursorNode_ = node; + this.cursorOffset_ = offset; + return; + } + + currentColumn += width; + node = node.nextSibling; + } +}; + +/** + * Set the provided selection object to be a caret selection at the current + * cursor position. + */ +hterm.Screen.prototype.syncSelectionCaret = function(selection) { + try { + selection.collapse(this.cursorNode_, this.cursorOffset_); + } catch (firefoxIgnoredException) { + // FF can throw an exception if the range is off, rather than just not + // performing the collapse. + } +}; + +/** + * Split a single node into two nodes at the given offset. + * + * For example: + * Given the DOM fragment '
Hello World
', call splitNode_ + * passing the span and an offset of 6. This would modifiy the fragment to + * become: '
Hello World
'. If the span + * had any attributes they would have been copied to the new span as well. + * + * The to-be-split node must have a container, so that the new node can be + * placed next to it. + * + * @param {HTMLNode} node The node to split. + * @param {integer} offset The offset into the node where the split should + * occur. + */ +hterm.Screen.prototype.splitNode_ = function(node, offset) { + var afterNode = node.cloneNode(false); + + var textContent = node.textContent; + node.textContent = hterm.TextAttributes.nodeSubstr(node, 0, offset); + afterNode.textContent = lib.wc.substr(textContent, offset); + + if (afterNode.textContent) + node.parentNode.insertBefore(afterNode, node.nextSibling); + if (!node.textContent) + node.parentNode.removeChild(node); +}; + +/** + * Ensure that text is clipped and the cursor is clamped to the column count. + */ +hterm.Screen.prototype.maybeClipCurrentRow = function() { + var width = hterm.TextAttributes.nodeWidth(this.cursorRowNode_); + + if (width <= this.columnCount_) { + // Current row does not need clipping, but may need clamping. + if (this.cursorPosition.column >= this.columnCount_) { + this.setCursorPosition(this.cursorPosition.row, this.columnCount_ - 1); + this.cursorPosition.overflow = true; + } + + return; + } + + // Save off the current column so we can maybe restore it later. + var currentColumn = this.cursorPosition.column; + + // Move the cursor to the final column. + this.setCursorPosition(this.cursorPosition.row, this.columnCount_ - 1); + + // Remove any text that partially overflows. + width = hterm.TextAttributes.nodeWidth(this.cursorNode_); + + if (this.cursorOffset_ < width - 1) { + this.cursorNode_.textContent = hterm.TextAttributes.nodeSubstr( + this.cursorNode_, 0, this.cursorOffset_ + 1); + } + + // Remove all nodes after the cursor. + var rowNode = this.cursorRowNode_; + var node = this.cursorNode_.nextSibling; + + while (node) { + rowNode.removeChild(node); + node = this.cursorNode_.nextSibling; + } + + if (currentColumn < this.columnCount_) { + // If the cursor was within the screen before we started then restore its + // position. + this.setCursorPosition(this.cursorPosition.row, currentColumn); + } else { + // Otherwise leave it at the the last column in the overflow state. + this.cursorPosition.overflow = true; + } +}; + +/** + * Insert a string at the current character position using the current + * text attributes. + * + * You must call maybeClipCurrentRow() after in order to clip overflowed + * text and clamp the cursor. + * + * It is also up to the caller to properly maintain the line overflow state + * using hterm.Screen..commitLineOverflow(). + */ +hterm.Screen.prototype.insertString = function(str) { + var cursorNode = this.cursorNode_; + var cursorNodeText = cursorNode.textContent; + + this.cursorRowNode_.removeAttribute('line-overflow'); + + // We may alter the width of the string by prepending some missing + // whitespaces, so we need to record the string width ahead of time. + var strWidth = lib.wc.strWidth(str); + + // No matter what, before this function exits the cursor column will have + // moved this much. + this.cursorPosition.column += strWidth; + + // Local cache of the cursor offset. + var offset = this.cursorOffset_; + + // Reverse offset is the offset measured from the end of the string. + // Zero implies that the cursor is at the end of the cursor node. + var reverseOffset = hterm.TextAttributes.nodeWidth(cursorNode) - offset; + + if (reverseOffset < 0) { + // A negative reverse offset means the cursor is positioned past the end + // of the characters on this line. We'll need to insert the missing + // whitespace. + var ws = lib.f.getWhitespace(-reverseOffset); + + // This whitespace should be completely unstyled. Underline, background + // color, and strikethrough would be visible on whitespace, so we can't use + // one of those spans to hold the text. + if (!(this.textAttributes.underline || + this.textAttributes.strikethrough || + this.textAttributes.background || + this.textAttributes.wcNode || + this.textAttributes.tileData != null)) { + // Best case scenario, we can just pretend the spaces were part of the + // original string. + str = ws + str; + } else if (cursorNode.nodeType == 3 || + !(cursorNode.wcNode || + cursorNode.tileNode || + cursorNode.style.textDecoration || + cursorNode.style.backgroundColor)) { + // Second best case, the current node is able to hold the whitespace. + cursorNode.textContent = (cursorNodeText += ws); + } else { + // Worst case, we have to create a new node to hold the whitespace. + var wsNode = cursorNode.ownerDocument.createTextNode(ws); + this.cursorRowNode_.insertBefore(wsNode, cursorNode.nextSibling); + this.cursorNode_ = cursorNode = wsNode; + this.cursorOffset_ = offset = -reverseOffset; + cursorNodeText = ws; + } + + // We now know for sure that we're at the last character of the cursor node. + reverseOffset = 0; + } + + if (this.textAttributes.matchesContainer(cursorNode)) { + // The new text can be placed directly in the cursor node. + if (reverseOffset == 0) { + cursorNode.textContent = cursorNodeText + str; + } else if (offset == 0) { + cursorNode.textContent = str + cursorNodeText; + } else { + cursorNode.textContent = + hterm.TextAttributes.nodeSubstr(cursorNode, 0, offset) + + str + hterm.TextAttributes.nodeSubstr(cursorNode, offset); + } + + this.cursorOffset_ += strWidth; + return; + } + + // The cursor node is the wrong style for the new text. If we're at the + // beginning or end of the cursor node, then the adjacent node is also a + // potential candidate. + + if (offset == 0) { + // At the beginning of the cursor node, the check the previous sibling. + var previousSibling = cursorNode.previousSibling; + if (previousSibling && + this.textAttributes.matchesContainer(previousSibling)) { + previousSibling.textContent += str; + this.cursorNode_ = previousSibling; + this.cursorOffset_ = lib.wc.strWidth(previousSibling.textContent); + return; + } + + var newNode = this.textAttributes.createContainer(str); + this.cursorRowNode_.insertBefore(newNode, cursorNode); + this.cursorNode_ = newNode; + this.cursorOffset_ = strWidth; + return; + } + + if (reverseOffset == 0) { + // At the end of the cursor node, the check the next sibling. + var nextSibling = cursorNode.nextSibling; + if (nextSibling && + this.textAttributes.matchesContainer(nextSibling)) { + nextSibling.textContent = str + nextSibling.textContent; + this.cursorNode_ = nextSibling; + this.cursorOffset_ = lib.wc.strWidth(str); + return; + } + + var newNode = this.textAttributes.createContainer(str); + this.cursorRowNode_.insertBefore(newNode, nextSibling); + this.cursorNode_ = newNode; + // We specifically need to include any missing whitespace here, since it's + // going in a new node. + this.cursorOffset_ = hterm.TextAttributes.nodeWidth(newNode); + return; + } + + // Worst case, we're somewhere in the middle of the cursor node. We'll + // have to split it into two nodes and insert our new container in between. + this.splitNode_(cursorNode, offset); + var newNode = this.textAttributes.createContainer(str); + this.cursorRowNode_.insertBefore(newNode, cursorNode.nextSibling); + this.cursorNode_ = newNode; + this.cursorOffset_ = strWidth; +}; + +/** + * Overwrite the text at the current cursor position. + * + * You must call maybeClipCurrentRow() after in order to clip overflowed + * text and clamp the cursor. + * + * It is also up to the caller to properly maintain the line overflow state + * using hterm.Screen..commitLineOverflow(). + */ +hterm.Screen.prototype.overwriteString = function(str) { + var maxLength = this.columnCount_ - this.cursorPosition.column; + if (!maxLength) + return [str]; + + var width = lib.wc.strWidth(str); + if (this.textAttributes.matchesContainer(this.cursorNode_) && + this.cursorNode_.textContent.substr(this.cursorOffset_) == str) { + // This overwrite would be a no-op, just move the cursor and return. + this.cursorOffset_ += width; + this.cursorPosition.column += width; + return; + } + + this.deleteChars(Math.min(width, maxLength)); + this.insertString(str); +}; + +/** + * Forward-delete one or more characters at the current cursor position. + * + * Text to the right of the deleted characters is shifted left. Only affects + * characters on the same row as the cursor. + * + * @param {integer} count The column width of characters to delete. This is + * clamped to the column width minus the cursor column. + * @return {integer} The column width of the characters actually deleted. + */ +hterm.Screen.prototype.deleteChars = function(count) { + var node = this.cursorNode_; + var offset = this.cursorOffset_; + + var currentCursorColumn = this.cursorPosition.column; + count = Math.min(count, this.columnCount_ - currentCursorColumn); + if (!count) + return 0; + + var rv = count; + var startLength, endLength; + + while (node && count) { + startLength = hterm.TextAttributes.nodeWidth(node); + node.textContent = hterm.TextAttributes.nodeSubstr(node, 0, offset) + + hterm.TextAttributes.nodeSubstr(node, offset + count); + endLength = hterm.TextAttributes.nodeWidth(node); + count -= startLength - endLength; + if (offset < startLength && endLength && startLength == endLength) { + // No characters were deleted when there should be. We're probably trying + // to delete one column width from a wide character node. We remove the + // wide character node here and replace it with a single space. + var spaceNode = this.textAttributes.createContainer(' '); + node.parentNode.insertBefore(spaceNode, node.nextSibling); + node.textContent = ''; + endLength = 0; + count -= 1; + } + + var nextNode = node.nextSibling; + if (endLength == 0 && node != this.cursorNode_) { + node.parentNode.removeChild(node); + } + node = nextNode; + offset = 0; + } + + // Remove this.cursorNode_ if it is an empty non-text node. + if (this.cursorNode_.nodeType != 3 && !this.cursorNode_.textContent) { + var cursorNode = this.cursorNode_; + if (cursorNode.previousSibling) { + this.cursorNode_ = cursorNode.previousSibling; + this.cursorOffset_ = hterm.TextAttributes.nodeWidth( + cursorNode.previousSibling); + } else if (cursorNode.nextSibling) { + this.cursorNode_ = cursorNode.nextSibling; + this.cursorOffset_ = 0; + } else { + var emptyNode = this.cursorRowNode_.ownerDocument.createTextNode(''); + this.cursorRowNode_.appendChild(emptyNode); + this.cursorNode_ = emptyNode; + this.cursorOffset_ = 0; + } + this.cursorRowNode_.removeChild(cursorNode); + } + + return rv; +}; + +/** + * Finds first X-ROW of a line containing specified X-ROW. + * Used to support line overflow. + * + * @param {Node} row X-ROW to begin search for first row of line. + * @return {Node} The X-ROW that is at the beginning of the line. + **/ +hterm.Screen.prototype.getLineStartRow_ = function(row) { + while (row.previousSibling && + row.previousSibling.hasAttribute('line-overflow')) { + row = row.previousSibling; + } + return row; +}; + +/** + * Gets text of a line beginning with row. + * Supports line overflow. + * + * @param {Node} row First X-ROW of line. + * @return {string} Text content of line. + **/ +hterm.Screen.prototype.getLineText_ = function(row) { + var rowText = ""; + while (row) { + rowText += row.textContent; + if (row.hasAttribute('line-overflow')) { + row = row.nextSibling; + } else { + break; + } + } + return rowText; +}; + +/** + * Returns X-ROW that is ancestor of the node. + * + * @param {Node} node Node to get X-ROW ancestor for. + * @return {Node} X-ROW ancestor of node, or null if not found. + **/ +hterm.Screen.prototype.getXRowAncestor_ = function(node) { + while (node) { + if (node.nodeName === 'X-ROW') + break; + node = node.parentNode; + } + return node; +}; + +/** + * Returns position within line of character at offset within node. + * Supports line overflow. + * + * @param {Node} row X-ROW at beginning of line. + * @param {Node} node Node to get position of. + * @param {integer} offset Offset into node. + * + * @return {integer} Position within line of character at offset within node. + **/ +hterm.Screen.prototype.getPositionWithOverflow_ = function(row, node, offset) { + if (!node) + return -1; + var ancestorRow = this.getXRowAncestor_(node); + if (!ancestorRow) + return -1; + var position = 0; + while (ancestorRow != row) { + position += hterm.TextAttributes.nodeWidth(row); + if (row.hasAttribute('line-overflow') && row.nextSibling) { + row = row.nextSibling; + } else { + return -1; + } + } + return position + this.getPositionWithinRow_(row, node, offset); +}; + +/** + * Returns position within row of character at offset within node. + * Does not support line overflow. + * + * @param {Node} row X-ROW to get position within. + * @param {Node} node Node to get position for. + * @param {integer} offset Offset within node to get position for. + * @return {integer} Position within row of character at offset within node. + **/ +hterm.Screen.prototype.getPositionWithinRow_ = function(row, node, offset) { + if (node.parentNode != row) { + return this.getPositionWithinRow_(node.parentNode, node, offset) + + this.getPositionWithinRow_(row, node.parentNode, 0); + } + var position = 0; + for (var i = 0; i < row.childNodes.length; i++) { + var currentNode = row.childNodes[i]; + if (currentNode == node) + return position + offset; + position += hterm.TextAttributes.nodeWidth(currentNode); + } + return -1; +}; + +/** + * Returns the node and offset corresponding to position within line. + * Supports line overflow. + * + * @param {Node} row X-ROW at beginning of line. + * @param {integer} position Position within line to retrieve node and offset. + * @return {Array} Two element array containing node and offset respectively. + **/ +hterm.Screen.prototype.getNodeAndOffsetWithOverflow_ = function(row, position) { + while (row && position > hterm.TextAttributes.nodeWidth(row)) { + if (row.hasAttribute('line-overflow') && row.nextSibling) { + position -= hterm.TextAttributes.nodeWidth(row); + row = row.nextSibling; + } else { + return -1; + } + } + return this.getNodeAndOffsetWithinRow_(row, position); +}; + +/** + * Returns the node and offset corresponding to position within row. + * Does not support line overflow. + * + * @param {Node} row X-ROW to get position within. + * @param {integer} position Position within row to retrieve node and offset. + * @return {Array} Two element array containing node and offset respectively. + **/ +hterm.Screen.prototype.getNodeAndOffsetWithinRow_ = function(row, position) { + for (var i = 0; i < row.childNodes.length; i++) { + var node = row.childNodes[i]; + var nodeTextWidth = hterm.TextAttributes.nodeWidth(node); + if (position <= nodeTextWidth) { + if (node.nodeName === 'SPAN') { + /** Drill down to node contained by SPAN. **/ + return this.getNodeAndOffsetWithinRow_(node, position); + } else { + return [node, position]; + } + } + position -= nodeTextWidth; + } + return null; +}; + +/** + * Returns the node and offset corresponding to position within line. + * Supports line overflow. + * + * @param {Node} row X-ROW at beginning of line. + * @param {integer} start Start position of range within line. + * @param {integer} end End position of range within line. + * @param {Range} range Range to modify. + **/ +hterm.Screen.prototype.setRange_ = function(row, start, end, range) { + var startNodeAndOffset = this.getNodeAndOffsetWithOverflow_(row, start); + if (startNodeAndOffset == null) + return; + var endNodeAndOffset = this.getNodeAndOffsetWithOverflow_(row, end); + if (endNodeAndOffset == null) + return; + range.setStart(startNodeAndOffset[0], startNodeAndOffset[1]); + range.setEnd(endNodeAndOffset[0], endNodeAndOffset[1]); +}; + +/** + * Expands selection to surround URLs. + * + * @param {Selection} selection Selection to expand. + **/ +hterm.Screen.prototype.expandSelection = function(selection) { + if (!selection) + return; + + var range = selection.getRangeAt(0); + if (!range || range.toString().match(/\s/)) + return; + + var row = this.getLineStartRow_(this.getXRowAncestor_(range.startContainer)); + if (!row) + return; + + var startPosition = this.getPositionWithOverflow_(row, + range.startContainer, + range.startOffset); + if (startPosition == -1) + return; + var endPosition = this.getPositionWithOverflow_(row, + range.endContainer, + range.endOffset); + if (endPosition == -1) + return; + + // Matches can start with '~' or '.', since paths frequently do. + var leftMatch = '[^\\s\\[\\](){}<>"\'\\^!@#$%&*,;:`]'; + var rightMatch = '[^\\s\\[\\](){}<>"\'\\^!@#$%&*,;:~.`]'; + var insideMatch = '[^\\s\\[\\](){}<>"\'\\^]*'; + + //Move start to the left. + var rowText = this.getLineText_(row); + var lineUpToRange = lib.wc.substring(rowText, 0, endPosition); + var leftRegularExpression = new RegExp(leftMatch + insideMatch + "$"); + var expandedStart = lineUpToRange.search(leftRegularExpression); + if (expandedStart == -1 || expandedStart > startPosition) + return; + + //Move end to the right. + var lineFromRange = lib.wc.substring(rowText, startPosition, + lib.wc.strWidth(rowText)); + var rightRegularExpression = new RegExp("^" + insideMatch + rightMatch); + var found = lineFromRange.match(rightRegularExpression); + if (!found) + return; + var expandedEnd = startPosition + lib.wc.strWidth(found[0]); + if (expandedEnd == -1 || expandedEnd < endPosition) + return; + + this.setRange_(row, expandedStart, expandedEnd, range); + selection.addRange(range); +}; +// SOURCE FILE: hterm/js/hterm_scrollport.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.f', 'hterm.PubSub', 'hterm.Size'); + +/** + * A 'viewport' view of fixed-height rows with support for selection and + * copy-to-clipboard. + * + * 'Viewport' in this case means that only the visible rows are in the DOM. + * If the rowProvider has 100,000 rows, but the ScrollPort is only 25 rows + * tall, then only 25 dom nodes are created. The ScrollPort will ask the + * RowProvider to create new visible rows on demand as they are scrolled in + * to the visible area. + * + * This viewport is designed so that select and copy-to-clipboard still works, + * even when all or part of the selection is scrolled off screen. + * + * Note that the X11 mouse clipboard does not work properly when all or part + * of the selection is off screen. It would be difficult to fix this without + * adding significant overhead to pathologically large selection cases. + * + * The RowProvider should return rows rooted by the custom tag name 'x-row'. + * This ensures that we can quickly assign the correct display height + * to the rows with css. + * + * @param {RowProvider} rowProvider An object capable of providing rows as + * raw text or row nodes. + */ +hterm.ScrollPort = function(rowProvider) { + hterm.PubSub.addBehavior(this); + + this.rowProvider_ = rowProvider; + + // SWAG the character size until we can measure it. + this.characterSize = new hterm.Size(10, 10); + + // DOM node used for character measurement. + this.ruler_ = null; + + this.selection = new hterm.ScrollPort.Selection(this); + + // A map of rowIndex => rowNode for each row that is drawn as part of a + // pending redraw_() call. Null if there is no pending redraw_ call. + this.currentRowNodeCache_ = null; + + // A map of rowIndex => rowNode for each row that was drawn as part of the + // previous redraw_() call. + this.previousRowNodeCache_ = {}; + + // Used during scroll events to detect when the underlying cause is a resize. + this.lastScreenWidth_ = null; + this.lastScreenHeight_ = null; + + // True if the user should be allowed to select text in the terminal. + // This is disabled when the host requests mouse drag events so that we don't + // end up with two notions of selection. + this.selectionEnabled_ = true; + + // The last row count returned by the row provider, re-populated during + // syncScrollHeight(). + this.lastRowCount_ = 0; + + // The scroll wheel pixel delta multiplier to increase/descrease + // the scroll speed of mouse wheel events. See: http://goo.gl/sXelnq + this.scrollWheelMultiplier_ = 1; + + /** + * True if the last scroll caused the scrollport to show the final row. + */ + this.isScrolledEnd = true; + + // The css rule that we use to control the height of a row. + this.xrowCssRule_ = null; + + /** + * A guess at the current scrollbar width, fixed in resize(). + */ + this.currentScrollbarWidthPx = 16; + + /** + * Whether the ctrl-v key on the screen should paste. + */ + this.ctrlVPaste = false; + + this.div_ = null; + this.document_ = null; + + // Collection of active timeout handles. + this.timeouts_ = {}; + + this.observers_ = {}; + + this.DEBUG_ = false; +} + +/** + * Proxy for the native selection object which understands how to walk up the + * DOM to find the containing row node and sort out which comes first. + * + * @param {hterm.ScrollPort} scrollPort The parent hterm.ScrollPort instance. + */ +hterm.ScrollPort.Selection = function(scrollPort) { + this.scrollPort_ = scrollPort; + + /** + * The row containing the start of the selection. + * + * This may be partially or fully selected. It may be the selection anchor + * or the focus, but its rowIndex is guaranteed to be less-than-or-equal-to + * that of the endRow. + * + * If only one row is selected then startRow == endRow. If there is no + * selection or the selection is collapsed then startRow == null. + */ + this.startRow = null; + + /** + * The row containing the end of the selection. + * + * This may be partially or fully selected. It may be the selection anchor + * or the focus, but its rowIndex is guaranteed to be greater-than-or-equal-to + * that of the startRow. + * + * If only one row is selected then startRow == endRow. If there is no + * selection or the selection is collapsed then startRow == null. + */ + this.endRow = null; + + /** + * True if startRow != endRow. + */ + this.isMultiline = null; + + /** + * True if the selection is just a point rather than a range. + */ + this.isCollapsed = null; +}; + +/** + * Given a list of DOM nodes and a container, return the DOM node that + * is first according to a depth-first search. + * + * Returns null if none of the children are found. + */ +hterm.ScrollPort.Selection.prototype.findFirstChild = function( + parent, childAry) { + var node = parent.firstChild; + + while (node) { + if (childAry.indexOf(node) != -1) + return node; + + if (node.childNodes.length) { + var rv = this.findFirstChild(node, childAry); + if (rv) + return rv; + } + + node = node.nextSibling; + } + + return null; +}; + +/** + * Synchronize this object with the current DOM selection. + * + * This is a one-way synchronization, the DOM selection is copied to this + * object, not the other way around. + */ +hterm.ScrollPort.Selection.prototype.sync = function() { + var self = this; + + // The dom selection object has no way to tell which nodes come first in + // the document, so we have to figure that out. + // + // This function is used when we detect that the "anchor" node is first. + function anchorFirst() { + self.startRow = anchorRow; + self.startNode = selection.anchorNode; + self.startOffset = selection.anchorOffset; + self.endRow = focusRow; + self.endNode = selection.focusNode; + self.endOffset = selection.focusOffset; + } + + // This function is used when we detect that the "focus" node is first. + function focusFirst() { + self.startRow = focusRow; + self.startNode = selection.focusNode; + self.startOffset = selection.focusOffset; + self.endRow = anchorRow; + self.endNode = selection.anchorNode; + self.endOffset = selection.anchorOffset; + } + + var selection = this.scrollPort_.getDocument().getSelection(); + + this.startRow = null; + this.endRow = null; + this.isMultiline = null; + this.isCollapsed = !selection || selection.isCollapsed; + + if (this.isCollapsed) + return; + + var anchorRow = selection.anchorNode; + while (anchorRow && !('rowIndex' in anchorRow)) { + anchorRow = anchorRow.parentNode; + } + + if (!anchorRow) { + console.error('Selection anchor is not rooted in a row node: ' + + selection.anchorNode.nodeName); + return; + } + + var focusRow = selection.focusNode; + while (focusRow && !('rowIndex' in focusRow)) { + focusRow = focusRow.parentNode; + } + + if (!focusRow) { + console.error('Selection focus is not rooted in a row node: ' + + selection.focusNode.nodeName); + return; + } + + if (anchorRow.rowIndex < focusRow.rowIndex) { + anchorFirst(); + + } else if (anchorRow.rowIndex > focusRow.rowIndex) { + focusFirst(); + + } else if (selection.focusNode == selection.anchorNode) { + if (selection.anchorOffset < selection.focusOffset) { + anchorFirst(); + } else { + focusFirst(); + } + + } else { + // The selection starts and ends in the same row, but isn't contained all + // in a single node. + var firstNode = this.findFirstChild( + anchorRow, [selection.anchorNode, selection.focusNode]); + + if (!firstNode) + throw new Error('Unexpected error syncing selection.'); + + if (firstNode == selection.anchorNode) { + anchorFirst(); + } else { + focusFirst(); + } + } + + this.isMultiline = anchorRow.rowIndex != focusRow.rowIndex; +}; + + +/** + * Turn a div into this hterm.ScrollPort. + */ +hterm.ScrollPort.prototype.decorate = function(div) { + this.div_ = div; + + this.iframe_ = div.ownerDocument.createElement('iframe'); + this.iframe_.style.cssText = ( + 'border: 0;' + + 'height: 100%;' + + 'position: absolute;' + + 'width: 100%'); + + // Set the iframe src to # in FF. Otherwise when the frame's + // load event fires in FF it clears out the content of the iframe. + if ('mozInnerScreenX' in window) // detect a FF only property + this.iframe_.src = '#'; + + div.appendChild(this.iframe_); + + this.iframe_.contentWindow.addEventListener('resize', + this.onResize_.bind(this)); + + var doc = this.document_ = this.iframe_.contentDocument; + doc.body.style.cssText = ( + 'margin: 0px;' + + 'padding: 0px;' + + 'height: 100%;' + + 'width: 100%;' + + 'overflow: hidden;' + + '-webkit-user-select: none;' + + '-moz-user-select: none;'); + + var style = doc.createElement('style'); + style.textContent = 'x-row {}'; + doc.head.appendChild(style); + + this.xrowCssRule_ = doc.styleSheets[0].cssRules[0]; + this.xrowCssRule_.style.display = 'block'; + + this.userCssLink_ = doc.createElement('link'); + this.userCssLink_.setAttribute('rel', 'stylesheet'); + + // TODO(rginda): Sorry, this 'screen_' isn't the same thing as hterm.Screen + // from screen.js. I need to pick a better name for one of them to avoid + // the collision. + this.screen_ = doc.createElement('x-screen'); + this.screen_.setAttribute('contenteditable', 'true'); + this.screen_.setAttribute('spellcheck', 'false'); + this.screen_.setAttribute('autocorrect', 'false'); + this.screen_.setAttribute('autocomplete', 'false'); + this.screen_.setAttribute('role', 'textbox'); + this.screen_.setAttribute('tabindex', '-1'); + this.screen_.style.cssText = ( + 'display: block;' + + 'font-family: monospace;' + + 'font-size: 15px;' + + 'height: 100%;' + + 'overflow-y: scroll; overflow-x: hidden;' + + 'white-space: pre;' + + 'width: 100%;' + + 'outline: none !important'); + + doc.body.appendChild(this.screen_); + + this.screen_.addEventListener('scroll', this.onScroll_.bind(this)); + this.screen_.addEventListener('mousewheel', this.onScrollWheel_.bind(this)); + this.screen_.addEventListener( + 'DOMMouseScroll', this.onScrollWheel_.bind(this)); + this.screen_.addEventListener('copy', this.onCopy_.bind(this)); + this.screen_.addEventListener('paste', this.onPaste_.bind(this)); + + doc.body.addEventListener('keydown', this.onBodyKeyDown_.bind(this)); + + // This is the main container for the fixed rows. + this.rowNodes_ = doc.createElement('div'); + this.rowNodes_.style.cssText = ( + 'display: block;' + + 'position: fixed;' + + 'overflow: hidden;' + + '-webkit-user-select: text;' + + '-moz-user-select: text;'); + this.screen_.appendChild(this.rowNodes_); + + // Two nodes to hold offscreen text during the copy event. + this.topSelectBag_ = doc.createElement('x-select-bag'); + this.topSelectBag_.style.cssText = ( + 'display: block;' + + 'overflow: hidden;' + + 'white-space: pre;'); + + this.bottomSelectBag_ = this.topSelectBag_.cloneNode(); + + // Nodes above the top fold and below the bottom fold are hidden. They are + // only used to hold rows that are part of the selection but are currently + // scrolled off the top or bottom of the visible range. + this.topFold_ = doc.createElement('x-fold'); + this.topFold_.style.cssText = 'display: block;'; + this.rowNodes_.appendChild(this.topFold_); + + this.bottomFold_ = this.topFold_.cloneNode(); + this.rowNodes_.appendChild(this.bottomFold_); + + // This hidden div accounts for the vertical space that would be consumed by + // all the rows in the buffer if they were visible. It's what causes the + // scrollbar to appear on the 'x-screen', and it moves within the screen when + // the scrollbar is moved. + // + // It is set 'visibility: hidden' to keep the browser from trying to include + // it in the selection when a user 'drag selects' upwards (drag the mouse to + // select and scroll at the same time). Without this, the selection gets + // out of whack. + this.scrollArea_ = doc.createElement('div'); + this.scrollArea_.style.cssText = 'visibility: hidden'; + this.screen_.appendChild(this.scrollArea_); + + // This svg element is used to detect when the browser is zoomed. It must be + // placed in the outermost document for currentScale to be correct. + // TODO(rginda): This means that hterm nested in an iframe will not correctly + // detect browser zoom level. We should come up with a better solution. + this.svg_ = this.div_.ownerDocument.createElementNS( + 'http://www.w3.org/2000/svg', 'svg'); + this.svg_.setAttribute('xmlns', 'http://www.w3.org/2000/svg'); + this.svg_.setAttribute('version', '1.1'); + this.svg_.style.cssText = ( + 'position: absolute;' + + 'top: 0;' + + 'left: 0;' + + 'visibility: hidden'); + + + // We send focus to this element just before a paste happens, so we can + // capture the pasted text and forward it on to someone who cares. + this.pasteTarget_ = doc.createElement('textarea'); + this.pasteTarget_.setAttribute('tabindex', '-1'); + this.pasteTarget_.style.cssText = ( + 'position: absolute;' + + 'height: 1px;' + + 'width: 1px;' + + 'left: 0px; ' + + 'bottom: 0px;' + + 'opacity: 0'); + this.pasteTarget_.contentEditable = true; + + this.screen_.appendChild(this.pasteTarget_); + this.pasteTarget_.addEventListener( + 'textInput', this.handlePasteTargetTextInput_.bind(this)); + + this.resize(); +}; + +/** + * Select the font-family and font-smoothing for this scrollport. + * + * @param {string} fontFamily Value of the CSS 'font-family' to use for this + * scrollport. Should be a monospace font. + * @param {string} opt_smoothing Optional value for '-webkit-font-smoothing'. + * Defaults to an empty string if not specified. + */ +hterm.ScrollPort.prototype.setFontFamily = function(fontFamily, opt_smoothing) { + this.screen_.style.fontFamily = fontFamily; + if (opt_smoothing) { + this.screen_.style.webkitFontSmoothing = opt_smoothing; + } else { + this.screen_.style.webkitFontSmoothing = ''; + } + + this.syncCharacterSize(); +}; + +hterm.ScrollPort.prototype.getFontFamily = function() { + return this.screen_.style.fontFamily; +}; + +/** + * Set a custom stylesheet to include in the scrollport. + * + * Defaults to null, meaning no custom css is loaded. Set it back to null or + * the empty string to remove a previously applied custom css. + */ +hterm.ScrollPort.prototype.setUserCss = function(url) { + if (url) { + this.userCssLink_.setAttribute('href', url); + + if (!this.userCssLink_.parentNode) + this.document_.head.appendChild(this.userCssLink_); + } else if (this.userCssLink_.parentNode) { + this.document_.head.removeChild(this.userCssLink_); + } +}; + +hterm.ScrollPort.prototype.focus = function() { + this.iframe_.focus(); + this.screen_.focus(); +}; + +hterm.ScrollPort.prototype.getForegroundColor = function() { + return this.screen_.style.color; +}; + +hterm.ScrollPort.prototype.setForegroundColor = function(color) { + //this.screen_.style.color = color; +}; + +hterm.ScrollPort.prototype.getBackgroundColor = function() { + return this.screen_.style.backgroundColor; +}; + +hterm.ScrollPort.prototype.setBackgroundColor = function(color) { + this.screen_.style.backgroundColor = color; +}; + +hterm.ScrollPort.prototype.setBackgroundImage = function(image) { + this.screen_.style.backgroundImage = image; +}; + +hterm.ScrollPort.prototype.setBackgroundSize = function(size) { + this.screen_.style.backgroundSize = size; +}; + +hterm.ScrollPort.prototype.setBackgroundPosition = function(position) { + this.screen_.style.backgroundPosition = position; +}; + +hterm.ScrollPort.prototype.setCtrlVPaste = function(ctrlVPaste) { + this.ctrlVPaste = ctrlVPaste; +}; + +/** + * Get the usable size of the scrollport screen. + * + * The width will not include the scrollbar width. + */ +hterm.ScrollPort.prototype.getScreenSize = function() { + var size = hterm.getClientSize(this.screen_); + return { + height: size.height, + width: size.width - this.currentScrollbarWidthPx + }; +}; + +/** + * Get the usable width of the scrollport screen. + * + * This the widget width minus scrollbar width. + */ +hterm.ScrollPort.prototype.getScreenWidth = function() { + return this.getScreenSize().width ; +}; + +/** + * Get the usable height of the scrollport screen. + */ +hterm.ScrollPort.prototype.getScreenHeight = function() { + return this.getScreenSize().height; +}; + +/** + * Return the document that holds the visible rows of this hterm.ScrollPort. + */ +hterm.ScrollPort.prototype.getDocument = function() { + return this.document_; +}; + +/** + * Returns the x-screen element that holds the rows of this hterm.ScrollPort. + */ +hterm.ScrollPort.prototype.getScreenNode = function() { + return this.screen_; +}; + +/** + * Clear out any cached rowNodes. + */ +hterm.ScrollPort.prototype.resetCache = function() { + this.currentRowNodeCache_ = null; + this.previousRowNodeCache_ = {}; +}; + +/** + * Change the current rowProvider. + * + * This will clear the row cache and cause a redraw. + * + * @param {Object} rowProvider An object capable of providing the rows + * in this hterm.ScrollPort. + */ +hterm.ScrollPort.prototype.setRowProvider = function(rowProvider) { + this.resetCache(); + this.rowProvider_ = rowProvider; + this.scheduleRedraw(); +}; + +/** + * Inform the ScrollPort that the root DOM nodes for some or all of the visible + * rows are no longer valid. + * + * Specifically, this should be called if this.rowProvider_.getRowNode() now + * returns an entirely different node than it did before. It does not + * need to be called if the content of a row node is the only thing that + * changed. + * + * This skips some of the overhead of a full redraw, but should not be used + * in cases where the scrollport has been scrolled, or when the row count has + * changed. + */ +hterm.ScrollPort.prototype.invalidate = function() { + var node = this.topFold_.nextSibling; + while (node != this.bottomFold_) { + var nextSibling = node.nextSibling; + node.parentElement.removeChild(node); + node = nextSibling; + } + + this.previousRowNodeCache_ = null; + var topRowIndex = this.getTopRowIndex(); + var bottomRowIndex = this.getBottomRowIndex(topRowIndex); + + this.drawVisibleRows_(topRowIndex, bottomRowIndex); +}; + +hterm.ScrollPort.prototype.scheduleInvalidate = function() { + if (this.timeouts_.invalidate) + return; + + var self = this; + this.timeouts_.invalidate = setTimeout(function () { + delete self.timeouts_.invalidate; + self.invalidate(); + }, 0); +}; + +/** + * Set the font size of the ScrollPort. + */ +hterm.ScrollPort.prototype.setFontSize = function(px) { + this.screen_.style.fontSize = px + 'px'; + this.syncCharacterSize(); +}; + +/** + * Return the current font size of the ScrollPort. + */ +hterm.ScrollPort.prototype.getFontSize = function() { + return parseInt(this.screen_.style.fontSize); +}; + +/** + * Measure the size of a single character in pixels. + * + * @param {string} opt_weight The font weight to measure, or 'normal' if + * omitted. + * @return {hterm.Size} A new hterm.Size object. + */ +hterm.ScrollPort.prototype.measureCharacterSize = function(opt_weight) { + if (!this.ruler_) { + this.ruler_ = this.document_.createElement('div'); + this.ruler_.style.cssText = ( + 'position: absolute;' + + 'top: 0;' + + 'left: 0;' + + 'visibility: hidden;' + + 'height: auto !important;' + + 'width: auto !important;'); + + // We need to put the text in a span to make the size calculation + // work properly in Firefox + this.rulerSpan_ = this.document_.createElement('span'); + this.rulerSpan_.textContent = ('XXXXXXXXXXXXXXXXXXXX' + + 'XXXXXXXXXXXXXXXXXXXX' + + 'XXXXXXXXXXXXXXXXXXXX' + + 'XXXXXXXXXXXXXXXXXXXX' + + 'XXXXXXXXXXXXXXXXXXXX'); + this.ruler_.appendChild(this.rulerSpan_); + + this.rulerBaseline_ = this.document_.createElement('span'); + // We want to collapse it on the baseline + this.rulerBaseline_.style.fontSize = '0px'; + this.rulerBaseline_.textContent = 'X'; + } + + this.rulerSpan_.style.fontWeight = opt_weight || ''; + + this.rowNodes_.appendChild(this.ruler_); + var rulerSize = hterm.getClientSize(this.rulerSpan_); + + var size = new hterm.Size(rulerSize.width / this.ruler_.textContent.length, + rulerSize.height); + + this.ruler_.appendChild(this.rulerBaseline_); + size.baseline = this.rulerBaseline_.offsetTop; + this.ruler_.removeChild(this.rulerBaseline_); + + this.rowNodes_.removeChild(this.ruler_); + + this.div_.ownerDocument.body.appendChild(this.svg_); + size.zoomFactor = this.svg_.currentScale; + this.div_.ownerDocument.body.removeChild(this.svg_); + + return size; +}; + +/** + * Synchronize the character size. + * + * This will re-measure the current character size and adjust the height + * of an x-row to match. + */ +hterm.ScrollPort.prototype.syncCharacterSize = function() { + this.characterSize = this.measureCharacterSize(); + + var lineHeight = this.characterSize.height + 'px'; + this.xrowCssRule_.style.height = lineHeight; + this.topSelectBag_.style.height = lineHeight; + this.bottomSelectBag_.style.height = lineHeight; + + this.resize(); + + if (this.DEBUG_) { + // When we're debugging we add padding to the body so that the offscreen + // elements are visible. + this.document_.body.style.paddingTop = + this.document_.body.style.paddingBottom = + 3 * this.characterSize.height + 'px'; + } +}; + +/** + * Reset dimensions and visible row count to account for a change in the + * dimensions of the 'x-screen'. + */ +hterm.ScrollPort.prototype.resize = function() { + this.currentScrollbarWidthPx = hterm.getClientWidth(this.screen_) - + this.screen_.clientWidth; + + this.syncScrollHeight(); + this.syncRowNodesDimensions_(); + + var self = this; + this.publish( + 'resize', { scrollPort: this }, + function() { + self.scrollRowToBottom(self.rowProvider_.getRowCount()); + self.scheduleRedraw(); + }); +}; + +/** + * Set the position and size of the row nodes element. + */ +hterm.ScrollPort.prototype.syncRowNodesDimensions_ = function() { + var screenSize = this.getScreenSize(); + + this.lastScreenWidth_ = screenSize.width; + this.lastScreenHeight_ = screenSize.height; + + // We don't want to show a partial row because it would be distracting + // in a terminal, so we floor any fractional row count. + this.visibleRowCount = lib.f.smartFloorDivide( + screenSize.height, this.characterSize.height); + + // Then compute the height of our integral number of rows. + var visibleRowsHeight = this.visibleRowCount * this.characterSize.height; + + // Then the difference between the screen height and total row height needs to + // be made up for as top margin. We need to record this value so it + // can be used later to determine the topRowIndex. + this.visibleRowTopMargin = 0; + this.visibleRowBottomMargin = screenSize.height - visibleRowsHeight; + + this.topFold_.style.marginBottom = this.visibleRowTopMargin + 'px'; + + + var topFoldOffset = 0; + var node = this.topFold_.previousSibling; + while (node) { + topFoldOffset += hterm.getClientHeight(node); + node = node.previousSibling; + } + + // Set the dimensions of the visible rows container. + this.rowNodes_.style.width = screenSize.width + 'px'; + this.rowNodes_.style.height = visibleRowsHeight + topFoldOffset + 'px'; + this.rowNodes_.style.left = this.screen_.offsetLeft + 'px'; + this.rowNodes_.style.top = this.screen_.offsetTop - topFoldOffset + 'px'; +}; + +hterm.ScrollPort.prototype.syncScrollHeight = function() { + // Resize the scroll area to appear as though it contains every row. + this.lastRowCount_ = this.rowProvider_.getRowCount(); + this.scrollArea_.style.height = (this.characterSize.height * + this.lastRowCount_ + + this.visibleRowTopMargin + + this.visibleRowBottomMargin + + 'px'); +}; + +/** + * Schedule a redraw to happen asynchronously. + * + * If this method is called multiple times before the redraw has a chance to + * run only one redraw occurs. + */ +hterm.ScrollPort.prototype.scheduleRedraw = function() { + if (this.timeouts_.redraw) + return; + + var self = this; + this.timeouts_.redraw = setTimeout(function () { + delete self.timeouts_.redraw; + self.redraw_(); + }, 0); +}; + +/** + * Redraw the current hterm.ScrollPort based on the current scrollbar position. + * + * When redrawing, we are careful to make sure that the rows that start or end + * the current selection are not touched in any way. Doing so would disturb + * the selection, and cleaning up after that would cause flashes at best and + * incorrect selection at worst. Instead, we modify the DOM around these nodes. + * We even stash the selection start/end outside of the visible area if + * they are not supposed to be visible in the hterm.ScrollPort. + */ +hterm.ScrollPort.prototype.redraw_ = function() { + this.resetSelectBags_(); + this.selection.sync(); + + this.syncScrollHeight(); + + this.currentRowNodeCache_ = {}; + + var topRowIndex = this.getTopRowIndex(); + var bottomRowIndex = this.getBottomRowIndex(topRowIndex); + + this.drawTopFold_(topRowIndex); + this.drawBottomFold_(bottomRowIndex); + this.drawVisibleRows_(topRowIndex, bottomRowIndex); + + this.syncRowNodesDimensions_(); + + this.previousRowNodeCache_ = this.currentRowNodeCache_; + this.currentRowNodeCache_ = null; + + this.isScrolledEnd = ( + this.getTopRowIndex() + this.visibleRowCount >= this.lastRowCount_); +}; + +/** + * Ensure that the nodes above the top fold are as they should be. + * + * If the selection start and/or end nodes are above the visible range + * of this hterm.ScrollPort then the dom will be adjusted so that they appear + * before the top fold (the first x-fold element, aka this.topFold). + * + * If not, the top fold will be the first element. + * + * It is critical that this method does not move the selection nodes. Doing + * so would clear the current selection. Instead, the rest of the DOM is + * adjusted around them. + */ +hterm.ScrollPort.prototype.drawTopFold_ = function(topRowIndex) { + if (!this.selection.startRow || + this.selection.startRow.rowIndex >= topRowIndex) { + // Selection is entirely below the top fold, just make sure the fold is + // the first child. + if (this.rowNodes_.firstChild != this.topFold_) + this.rowNodes_.insertBefore(this.topFold_, this.rowNodes_.firstChild); + + return; + } + + if (!this.selection.isMultiline || + this.selection.endRow.rowIndex >= topRowIndex) { + // Only the startRow is above the fold. + if (this.selection.startRow.nextSibling != this.topFold_) + this.rowNodes_.insertBefore(this.topFold_, + this.selection.startRow.nextSibling); + } else { + // Both rows are above the fold. + if (this.selection.endRow.nextSibling != this.topFold_) { + this.rowNodes_.insertBefore(this.topFold_, + this.selection.endRow.nextSibling); + } + + // Trim any intermediate lines. + while (this.selection.startRow.nextSibling != + this.selection.endRow) { + this.rowNodes_.removeChild(this.selection.startRow.nextSibling); + } + } + + while(this.rowNodes_.firstChild != this.selection.startRow) { + this.rowNodes_.removeChild(this.rowNodes_.firstChild); + } +}; + +/** + * Ensure that the nodes below the bottom fold are as they should be. + * + * If the selection start and/or end nodes are below the visible range + * of this hterm.ScrollPort then the dom will be adjusted so that they appear + * after the bottom fold (the second x-fold element, aka this.bottomFold). + * + * If not, the bottom fold will be the last element. + * + * It is critical that this method does not move the selection nodes. Doing + * so would clear the current selection. Instead, the rest of the DOM is + * adjusted around them. + */ +hterm.ScrollPort.prototype.drawBottomFold_ = function(bottomRowIndex) { + if (!this.selection.endRow || + this.selection.endRow.rowIndex <= bottomRowIndex) { + // Selection is entirely above the bottom fold, just make sure the fold is + // the last child. + if (this.rowNodes_.lastChild != this.bottomFold_) + this.rowNodes_.appendChild(this.bottomFold_); + + return; + } + + if (!this.selection.isMultiline || + this.selection.startRow.rowIndex <= bottomRowIndex) { + // Only the endRow is below the fold. + if (this.bottomFold_.nextSibling != this.selection.endRow) + this.rowNodes_.insertBefore(this.bottomFold_, + this.selection.endRow); + } else { + // Both rows are below the fold. + if (this.bottomFold_.nextSibling != this.selection.startRow) { + this.rowNodes_.insertBefore(this.bottomFold_, + this.selection.startRow); + } + + // Trim any intermediate lines. + while (this.selection.startRow.nextSibling != + this.selection.endRow) { + this.rowNodes_.removeChild(this.selection.startRow.nextSibling); + } + } + + while(this.rowNodes_.lastChild != this.selection.endRow) { + this.rowNodes_.removeChild(this.rowNodes_.lastChild); + } +}; + +/** + * Ensure that the rows between the top and bottom folds are as they should be. + * + * This method assumes that drawTopFold_() and drawBottomFold_() have already + * run, and that they have left any visible selection row (selection start + * or selection end) between the folds. + * + * It recycles DOM nodes from the previous redraw where possible, but will ask + * the rowSource to make new nodes if necessary. + * + * It is critical that this method does not move the selection nodes. Doing + * so would clear the current selection. Instead, the rest of the DOM is + * adjusted around them. + */ +hterm.ScrollPort.prototype.drawVisibleRows_ = function( + topRowIndex, bottomRowIndex) { + var self = this; + + // Keep removing nodes, starting with currentNode, until we encounter + // targetNode. Throws on failure. + function removeUntilNode(currentNode, targetNode) { + while (currentNode != targetNode) { + if (!currentNode) + throw 'Did not encounter target node'; + + if (currentNode == self.bottomFold_) + throw 'Encountered bottom fold before target node'; + + var deadNode = currentNode; + currentNode = currentNode.nextSibling; + deadNode.parentNode.removeChild(deadNode); + } + } + + // Shorthand for things we're going to use a lot. + var selectionStartRow = this.selection.startRow; + var selectionEndRow = this.selection.endRow; + var bottomFold = this.bottomFold_; + + // The node we're examining during the current iteration. + var node = this.topFold_.nextSibling; + + var targetDrawCount = Math.min(this.visibleRowCount, + this.rowProvider_.getRowCount()); + + for (var drawCount = 0; drawCount < targetDrawCount; drawCount++) { + var rowIndex = topRowIndex + drawCount; + + if (node == bottomFold) { + // We've hit the bottom fold, we need to insert a new row. + var newNode = this.fetchRowNode_(rowIndex); + if (!newNode) { + console.log("Couldn't fetch row index: " + rowIndex); + break; + } + + this.rowNodes_.insertBefore(newNode, node); + continue; + } + + if (node.rowIndex == rowIndex) { + // This node is in the right place, move along. + node = node.nextSibling; + continue; + } + + if (selectionStartRow && selectionStartRow.rowIndex == rowIndex) { + // The selection start row is supposed to be here, remove nodes until + // we find it. + removeUntilNode(node, selectionStartRow); + node = selectionStartRow.nextSibling; + continue; + } + + if (selectionEndRow && selectionEndRow.rowIndex == rowIndex) { + // The selection end row is supposed to be here, remove nodes until + // we find it. + removeUntilNode(node, selectionEndRow); + node = selectionEndRow.nextSibling; + continue; + } + + if (node == selectionStartRow || node == selectionEndRow) { + // We encountered the start/end of the selection, but we don't want it + // yet. Insert a new row instead. + var newNode = this.fetchRowNode_(rowIndex); + if (!newNode) { + console.log("Couldn't fetch row index: " + rowIndex); + break; + } + + this.rowNodes_.insertBefore(newNode, node); + continue; + } + + // There is nothing special about this node, but it's in our way. Replace + // it with the node that should be here. + var newNode = this.fetchRowNode_(rowIndex); + if (!newNode) { + console.log("Couldn't fetch row index: " + rowIndex); + break; + } + + if (node == newNode) { + node = node.nextSibling; + continue; + } + + this.rowNodes_.insertBefore(newNode, node); + if (!newNode.nextSibling) + debugger; + this.rowNodes_.removeChild(node); + node = newNode.nextSibling; + } + + if (node != this.bottomFold_) + removeUntilNode(node, bottomFold); +}; + +/** + * Empty out both select bags and remove them from the document. + * + * These nodes hold the text between the start and end of the selection + * when that text is otherwise off screen. They are filled out in the + * onCopy_ event. + */ +hterm.ScrollPort.prototype.resetSelectBags_ = function() { + if (this.topSelectBag_.parentNode) { + this.topSelectBag_.textContent = ''; + this.topSelectBag_.parentNode.removeChild(this.topSelectBag_); + } + + if (this.bottomSelectBag_.parentNode) { + this.bottomSelectBag_.textContent = ''; + this.bottomSelectBag_.parentNode.removeChild(this.bottomSelectBag_); + } +}; + +/** + * Place a row node in the cache of visible nodes. + * + * This method may only be used during a redraw_. + */ +hterm.ScrollPort.prototype.cacheRowNode_ = function(rowNode) { + this.currentRowNodeCache_[rowNode.rowIndex] = rowNode; +}; + +/** + * Fetch the row node for the given index. + * + * This will return a node from the cache if possible, or will request one + * from the RowProvider if not. + * + * If a redraw_ is in progress the row will be added to the current cache. + */ +hterm.ScrollPort.prototype.fetchRowNode_ = function(rowIndex) { + var node; + + if (this.previousRowNodeCache_ && rowIndex in this.previousRowNodeCache_) { + node = this.previousRowNodeCache_[rowIndex]; + } else { + node = this.rowProvider_.getRowNode(rowIndex); + } + + if (this.currentRowNodeCache_) + this.cacheRowNode_(node); + + return node; +}; + +/** + * Select all rows in the viewport. + */ +hterm.ScrollPort.prototype.selectAll = function() { + var firstRow; + + if (this.topFold_.nextSibling.rowIndex != 0) { + while (this.topFold_.previousSibling) { + this.rowNodes_.removeChild(this.topFold_.previousSibling); + } + + firstRow = this.fetchRowNode_(0); + this.rowNodes_.insertBefore(firstRow, this.topFold_); + this.syncRowNodesDimensions_(); + } else { + firstRow = this.topFold_.nextSibling; + } + + var lastRowIndex = this.rowProvider_.getRowCount() - 1; + var lastRow; + + if (this.bottomFold_.previousSibling.rowIndex != lastRowIndex) { + while (this.bottomFold_.nextSibling) { + this.rowNodes_.removeChild(this.bottomFold_.nextSibling); + } + + lastRow = this.fetchRowNode_(lastRowIndex); + this.rowNodes_.appendChild(lastRow); + } else { + lastRow = this.bottomFold_.previousSibling.rowIndex; + } + + var selection = this.document_.getSelection(); + selection.collapse(firstRow, 0); + selection.extend(lastRow, lastRow.childNodes.length); + + this.selection.sync(); +}; + +/** + * Return the maximum scroll position in pixels. + */ +hterm.ScrollPort.prototype.getScrollMax_ = function(e) { + return (hterm.getClientHeight(this.scrollArea_) + + this.visibleRowTopMargin + this.visibleRowBottomMargin - + hterm.getClientHeight(this.screen_)); +}; + +/** + * Scroll the given rowIndex to the top of the hterm.ScrollPort. + * + * @param {integer} rowIndex Index of the target row. + */ +hterm.ScrollPort.prototype.scrollRowToTop = function(rowIndex) { + this.syncScrollHeight(); + + this.isScrolledEnd = ( + rowIndex + this.visibleRowCount >= this.lastRowCount_); + + var scrollTop = rowIndex * this.characterSize.height + + this.visibleRowTopMargin; + + var scrollMax = this.getScrollMax_(); + if (scrollTop > scrollMax) + scrollTop = scrollMax; + + if (this.screen_.scrollTop == scrollTop) + return; + + this.screen_.scrollTop = scrollTop; + this.scheduleRedraw(); +}; + +/** + * Scroll the given rowIndex to the bottom of the hterm.ScrollPort. + * + * @param {integer} rowIndex Index of the target row. + */ +hterm.ScrollPort.prototype.scrollRowToBottom = function(rowIndex) { + this.syncScrollHeight(); + + this.isScrolledEnd = ( + rowIndex + this.visibleRowCount >= this.lastRowCount_); + + var scrollTop = rowIndex * this.characterSize.height + + this.visibleRowTopMargin + this.visibleRowBottomMargin; + scrollTop -= this.visibleRowCount * this.characterSize.height; + + if (scrollTop < 0) + scrollTop = 0; + + if (this.screen_.scrollTop == scrollTop) + return; + + this.screen_.scrollTop = scrollTop; +}; + +/** + * Return the row index of the first visible row. + * + * This is based on the scroll position. If a redraw_ is in progress this + * returns the row that *should* be at the top. + */ +hterm.ScrollPort.prototype.getTopRowIndex = function() { + return lib.f.smartFloorDivide( + this.screen_.scrollTop, this.characterSize.height); +}; + +/** + * Return the row index of the last visible row. + * + * This is based on the scroll position. If a redraw_ is in progress this + * returns the row that *should* be at the bottom. + */ +hterm.ScrollPort.prototype.getBottomRowIndex = function(topRowIndex) { + return topRowIndex + this.visibleRowCount - 1; +}; + +/** + * Handler for scroll events. + * + * The onScroll event fires when scrollArea's scrollTop property changes. This + * may be due to the user manually move the scrollbar, or a programmatic change. + */ +hterm.ScrollPort.prototype.onScroll_ = function(e) { + var screenSize = this.getScreenSize(); + if (screenSize.width != this.lastScreenWidth_ || + screenSize.height != this.lastScreenHeight_) { + // This event may also fire during a resize (but before the resize event!). + // This happens when the browser moves the scrollbar as part of the resize. + // In these cases, we want to ignore the scroll event and let onResize + // handle things. If we don't, then we end up scrolling to the wrong + // position after a resize. + this.resize(); + return; + } + + this.redraw_(); + this.publish('scroll', { scrollPort: this }); +}; + +/** + * Clients can override this if they want to hear scrollwheel events. + * + * Clients may call event.preventDefault() if they want to keep the scrollport + * from also handling the events. + */ +hterm.ScrollPort.prototype.onScrollWheel = function(e) {}; + +/** + * Handler for scroll-wheel events. + * + * The onScrollWheel event fires when the user moves their scrollwheel over this + * hterm.ScrollPort. Because the frontmost element in the hterm.ScrollPort is + * a fixed position DIV, the scroll wheel does nothing by default. Instead, we + * have to handle it manually. + */ +hterm.ScrollPort.prototype.onScrollWheel_ = function(e) { + this.onScrollWheel(e); + + if (e.defaultPrevented) + return; + + // In FF, the event is DOMMouseScroll and puts the scroll pixel delta in the + // 'detail' field of the event. It also flips the mapping of which direction + // a negative number means in the scroll. + var delta = e.type == 'DOMMouseScroll' ? (-1 * e.detail) : e.wheelDeltaY; + delta *= this.scrollWheelMultiplier_; + + var top = this.screen_.scrollTop - delta; + if (top < 0) + top = 0; + + var scrollMax = this.getScrollMax_(); + if (top > scrollMax) + top = scrollMax; + + if (top != this.screen_.scrollTop) { + // Moving scrollTop causes a scroll event, which triggers the redraw. + this.screen_.scrollTop = top; + + // Only preventDefault when we've actually scrolled. If there's nothing + // to scroll we want to pass the event through so Chrome can detect the + // overscroll. + e.preventDefault(); + } +}; + +/** + * Handler for resize events. + * + * The browser will resize us such that the top row stays at the top, but we + * prefer to the bottom row to stay at the bottom. + */ +hterm.ScrollPort.prototype.onResize_ = function(e) { + // Re-measure, since onResize also happens for browser zoom changes. + this.syncCharacterSize(); + this.resize(); +}; + +/** + * Clients can override this if they want to hear copy events. + * + * Clients may call event.preventDefault() if they want to keep the scrollport + * from also handling the events. + */ +hterm.ScrollPort.prototype.onCopy = function(e) { }; + +/** + * Handler for copy-to-clipboard events. + * + * If some or all of the selected rows are off screen we may need to fill in + * the rows between selection start and selection end. This handler determines + * if we're missing some of the selected text, and if so populates one or both + * of the "select bags" with the missing text. + */ +hterm.ScrollPort.prototype.onCopy_ = function(e) { + this.onCopy(e); + + if (e.defaultPrevented) + return; + + this.resetSelectBags_(); + this.selection.sync(); + + if (!this.selection.startRow || + this.selection.endRow.rowIndex - this.selection.startRow.rowIndex < 2) { + return; + } + + var topRowIndex = this.getTopRowIndex(); + var bottomRowIndex = this.getBottomRowIndex(topRowIndex); + + if (this.selection.startRow.rowIndex < topRowIndex) { + // Start of selection is above the top fold. + var endBackfillIndex; + + if (this.selection.endRow.rowIndex < topRowIndex) { + // Entire selection is above the top fold. + endBackfillIndex = this.selection.endRow.rowIndex; + } else { + // Selection extends below the top fold. + endBackfillIndex = this.topFold_.nextSibling.rowIndex; + } + + this.topSelectBag_.textContent = this.rowProvider_.getRowsText( + this.selection.startRow.rowIndex + 1, endBackfillIndex); + this.rowNodes_.insertBefore(this.topSelectBag_, + this.selection.startRow.nextSibling); + this.syncRowNodesDimensions_(); + } + + if (this.selection.endRow.rowIndex > bottomRowIndex) { + // Selection ends below the bottom fold. + var startBackfillIndex; + + if (this.selection.startRow.rowIndex > bottomRowIndex) { + // Entire selection is below the bottom fold. + startBackfillIndex = this.selection.startRow.rowIndex + 1; + } else { + // Selection starts above the bottom fold. + startBackfillIndex = this.bottomFold_.previousSibling.rowIndex + 1; + } + + this.bottomSelectBag_.textContent = this.rowProvider_.getRowsText( + startBackfillIndex, this.selection.endRow.rowIndex); + this.rowNodes_.insertBefore(this.bottomSelectBag_, this.selection.endRow); + } +}; + +/** + * Focuses on the paste target on a ctrl-v keydown event, as in + * FF a content editable element must be focused before the paste event. + */ +hterm.ScrollPort.prototype.onBodyKeyDown_ = function(e) { + if (!this.ctrlVPaste) + return; + + var key = String.fromCharCode(e.which); + var lowerKey = key.toLowerCase(); + if ((e.ctrlKey || e.metaKey) && lowerKey == "v") + this.pasteTarget_.focus(); +}; + +/** + * Handle a paste event on the the ScrollPort's screen element. + */ +hterm.ScrollPort.prototype.onPaste_ = function(e) { + this.pasteTarget_.focus(); + + var self = this; + setTimeout(function() { + self.publish('paste', { text: self.pasteTarget_.value }); + self.pasteTarget_.value = ''; + self.screen_.focus(); + }, 0); +}; + +/** + * Handles a textInput event on the paste target. Stops this from + * propagating as we want this to be handled in the onPaste_ method. + */ +hterm.ScrollPort.prototype.handlePasteTargetTextInput_ = function(e) { + e.stopPropagation(); +}; + +/** + * Set the vertical scrollbar mode of the ScrollPort. + */ +hterm.ScrollPort.prototype.setScrollbarVisible = function(state) { + this.screen_.style.overflowY = state ? 'scroll' : 'hidden'; +}; + +/** + * Set scroll wheel multiplier. This alters how much the screen scrolls on + * mouse wheel events. + */ +hterm.ScrollPort.prototype.setScrollWheelMoveMultipler = function(multiplier) { + this.scrollWheelMultiplier_ = multiplier; +}; +// SOURCE FILE: hterm/js/hterm_terminal.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.colors', 'lib.PreferenceManager', 'lib.resource', 'lib.wc', + 'lib.f', 'hterm.Keyboard', 'hterm.Options', 'hterm.PreferenceManager', + 'hterm.Screen', 'hterm.ScrollPort', 'hterm.Size', + 'hterm.TextAttributes', 'hterm.VT'); + +/** + * Constructor for the Terminal class. + * + * A Terminal pulls together the hterm.ScrollPort, hterm.Screen and hterm.VT100 + * classes to provide the complete terminal functionality. + * + * There are a number of lower-level Terminal methods that can be called + * directly to manipulate the cursor, text, scroll region, and other terminal + * attributes. However, the primary method is interpret(), which parses VT + * escape sequences and invokes the appropriate Terminal methods. + * + * This class was heavily influenced by Cory Maccarrone's Framebuffer class. + * + * TODO(rginda): Eventually we're going to need to support characters which are + * displayed twice as wide as standard latin characters. This is to support + * CJK (and possibly other character sets). + * + * @param {string} opt_profileId Optional preference profile name. If not + * provided, defaults to 'default'. + */ +hterm.Terminal = function(opt_profileId) { + this.profileId_ = null; + + // Two screen instances. + this.primaryScreen_ = new hterm.Screen(); + this.alternateScreen_ = new hterm.Screen(); + + // The "current" screen. + this.screen_ = this.primaryScreen_; + + // The local notion of the screen size. ScreenBuffers also have a size which + // indicates their present size. During size changes, the two may disagree. + // Also, the inactive screen's size is not altered until it is made the active + // screen. + this.screenSize = new hterm.Size(0, 0); + + // The scroll port we'll be using to display the visible rows. + this.scrollPort_ = new hterm.ScrollPort(this); + this.scrollPort_.subscribe('resize', this.onResize_.bind(this)); + this.scrollPort_.subscribe('scroll', this.onScroll_.bind(this)); + this.scrollPort_.subscribe('paste', this.onPaste_.bind(this)); + this.scrollPort_.onCopy = this.onCopy_.bind(this); + + // The div that contains this terminal. + this.div_ = null; + + // The document that contains the scrollPort. Defaulted to the global + // document here so that the terminal is functional even if it hasn't been + // inserted into a document yet, but re-set in decorate(). + this.document_ = window.document; + + // The rows that have scrolled off screen and are no longer addressable. + this.scrollbackRows_ = []; + + // Saved tab stops. + this.tabStops_ = []; + + // Keep track of whether default tab stops have been erased; after a TBC + // clears all tab stops, defaults aren't restored on resize until a reset. + this.defaultTabStops = true; + + // The VT's notion of the top and bottom rows. Used during some VT + // cursor positioning and scrolling commands. + this.vtScrollTop_ = null; + this.vtScrollBottom_ = null; + + // The DIV element for the visible cursor. + this.cursorNode_ = null; + + // The current cursor shape of the terminal. + this.cursorShape_ = hterm.Terminal.cursorShape.BLOCK; + + // The current color of the cursor. + this.cursorColor_ = null; + + // Cursor blink on/off cycle in ms, overwritten by prefs once they're loaded. + this.cursorBlinkCycle_ = [100, 100]; + + // Pre-bound onCursorBlink_ handler, so we don't have to do this for each + // cursor on/off servicing. + this.myOnCursorBlink_ = this.onCursorBlink_.bind(this); + + // These prefs are cached so we don't have to read from local storage with + // each output and keystroke. They are initialized by the preference manager. + this.backgroundColor_ = null; + this.foregroundColor_ = null; + this.scrollOnOutput_ = null; + this.scrollOnKeystroke_ = null; + + // True if we should send mouse events to the vt, false if we want them + // to manage the local text selection. + this.reportMouseEvents_ = false; + + // Terminal bell sound. + this.bellAudio_ = this.document_.createElement('audio'); + this.bellAudio_.setAttribute('preload', 'auto'); + + // All terminal bell notifications that have been generated (not necessarily + // shown). + this.bellNotificationList_ = []; + + // Whether we have permission to display notifications. + this.desktopNotificationBell_ = false; + + // Cursor position and attributes saved with DECSC. + this.savedOptions_ = {}; + + // The current mode bits for the terminal. + this.options_ = new hterm.Options(); + + // Timeouts we might need to clear. + this.timeouts_ = {}; + + // The VT escape sequence interpreter. + this.vt = new hterm.VT(this); + + // The keyboard hander. + this.keyboard = new hterm.Keyboard(this); + + // General IO interface that can be given to third parties without exposing + // the entire terminal object. + this.io = new hterm.Terminal.IO(this); + + // True if mouse-click-drag should scroll the terminal. + this.enableMouseDragScroll = true; + + this.copyOnSelect = null; + this.mousePasteButton = null; + + // Whether to use the default window copy behaviour. + this.useDefaultWindowCopy = false; + + this.clearSelectionAfterCopy = true; + + this.realizeSize_(80, 24); + this.setDefaultTabStops(); + + this.setProfile(opt_profileId || 'default', + function() { this.onTerminalReady() }.bind(this)); +}; + +/** + * Possible cursor shapes. + */ +hterm.Terminal.cursorShape = { + BLOCK: 'BLOCK', + BEAM: 'BEAM', + UNDERLINE: 'UNDERLINE' +}; + +/** + * Clients should override this to be notified when the terminal is ready + * for use. + * + * The terminal initialization is asynchronous, and shouldn't be used before + * this method is called. + */ +hterm.Terminal.prototype.onTerminalReady = function() { }; + +/** + * Default tab with of 8 to match xterm. + */ +hterm.Terminal.prototype.tabWidth = 8; + +/** + * Select a preference profile. + * + * This will load the terminal preferences for the given profile name and + * associate subsequent preference changes with the new preference profile. + * + * @param {string} newName The name of the preference profile. Forward slash + * characters will be removed from the name. + * @param {function} opt_callback Optional callback to invoke when the profile + * transition is complete. + */ +hterm.Terminal.prototype.setProfile = function(profileId, opt_callback) { + this.profileId_ = profileId.replace(/\//g, ''); + + var terminal = this; + + if (this.prefs_) + this.prefs_.deactivate(); + + this.prefs_ = new hterm.PreferenceManager(this.profileId_); + this.prefs_.addObservers(null, { + 'alt-gr-mode': function(v) { + if (v == null) { + if (navigator.language.toLowerCase() == 'en-us') { + v = 'none'; + } else { + v = 'right-alt'; + } + } else if (typeof v == 'string') { + v = v.toLowerCase(); + } else { + v = 'none'; + } + + if (!/^(none|ctrl-alt|left-alt|right-alt)$/.test(v)) + v = 'none'; + + terminal.keyboard.altGrMode = v; + }, + + 'alt-backspace-is-meta-backspace': function(v) { + terminal.keyboard.altBackspaceIsMetaBackspace = v; + }, + + 'alt-is-meta': function(v) { + terminal.keyboard.altIsMeta = v; + }, + + 'alt-sends-what': function(v) { + if (!/^(escape|8-bit|browser-key)$/.test(v)) + v = 'escape'; + + terminal.keyboard.altSendsWhat = v; + }, + + 'audible-bell-sound': function(v) { + var ary = v.match(/^lib-resource:(\S+)/); + if (ary) { + terminal.bellAudio_.setAttribute('src', + lib.resource.getDataUrl(ary[1])); + } else { + terminal.bellAudio_.setAttribute('src', v); + } + }, + + 'desktop-notification-bell': function(v) { + if (v && Notification) { + terminal.desktopNotificationBell_ = + Notification.permission === 'granted'; + if (!terminal.desktopNotificationBell_) { + // Note: We don't call Notification.requestPermission here because + // Chrome requires the call be the result of a user action (such as an + // onclick handler), and pref listeners are run asynchronously. + // + // A way of working around this would be to display a dialog in the + // terminal with a "click-to-request-permission" button. + console.warn('desktop-notification-bell is true but we do not have ' + + 'permission to display notifications.'); + } + } else { + terminal.desktopNotificationBell_ = false; + } + }, + + 'background-color': function(v) { + terminal.setBackgroundColor(v); + }, + + 'background-image': function(v) { + terminal.scrollPort_.setBackgroundImage(v); + }, + + 'background-size': function(v) { + terminal.scrollPort_.setBackgroundSize(v); + }, + + 'background-position': function(v) { + terminal.scrollPort_.setBackgroundPosition(v); + }, + + 'backspace-sends-backspace': function(v) { + terminal.keyboard.backspaceSendsBackspace = v; + }, + + 'character-map-overrides': function(v) { + if (!(v == null || v instanceof Object)) { + console.warn('Preference character-map-modifications is not an ' + + 'object: ' + v); + return; + } + + for (var code in v) { + var glmap = hterm.VT.CharacterMap.maps[code].glmap; + for (var received in v[code]) { + glmap[received] = v[code][received]; + } + hterm.VT.CharacterMap.maps[code].reset(glmap); + } + }, + + 'cursor-blink': function(v) { + terminal.setCursorBlink(!!v); + }, + + 'cursor-blink-cycle': function(v) { + if (v instanceof Array && + typeof v[0] == 'number' && + typeof v[1] == 'number') { + terminal.cursorBlinkCycle_ = v; + } else if (typeof v == 'number') { + terminal.cursorBlinkCycle_ = [v, v]; + } else { + // Fast blink indicates an error. + terminal.cursorBlinkCycle_ = [100, 100]; + } + }, + + 'cursor-color': function(v) { + terminal.setCursorColor(v); + }, + + 'color-palette-overrides': function(v) { + if (!(v == null || v instanceof Object || v instanceof Array)) { + console.warn('Preference color-palette-overrides is not an array or ' + + 'object: ' + v); + return; + } + + lib.colors.colorPalette = lib.colors.stockColorPalette.concat(); + + if (v) { + for (var key in v) { + var i = parseInt(key); + if (isNaN(i) || i < 0 || i > 255) { + console.log('Invalid value in palette: ' + key + ': ' + v[key]); + continue; + } + + if (v[i]) { + var rgb = lib.colors.normalizeCSS(v[i]); + if (rgb) + lib.colors.colorPalette[i] = rgb; + } + } + } + + terminal.primaryScreen_.textAttributes.resetColorPalette() + terminal.alternateScreen_.textAttributes.resetColorPalette(); + }, + + 'copy-on-select': function(v) { + terminal.copyOnSelect = !!v; + }, + + 'use-default-window-copy': function(v) { + terminal.useDefaultWindowCopy = !!v; + }, + + 'clear-selection-after-copy': function(v) { + terminal.clearSelectionAfterCopy = !!v; + }, + + 'ctrl-plus-minus-zero-zoom': function(v) { + terminal.keyboard.ctrlPlusMinusZeroZoom = v; + }, + + 'ctrl-c-copy': function(v) { + terminal.keyboard.ctrlCCopy = v; + }, + + 'ctrl-v-paste': function(v) { + terminal.keyboard.ctrlVPaste = v; + terminal.scrollPort_.setCtrlVPaste(v); + }, + + 'east-asian-ambiguous-as-two-column': function(v) { + lib.wc.regardCjkAmbiguous = v; + }, + + 'enable-8-bit-control': function(v) { + terminal.vt.enable8BitControl = !!v; + }, + + 'enable-bold': function(v) { + terminal.syncBoldSafeState(); + }, + + 'enable-bold-as-bright': function(v) { + terminal.primaryScreen_.textAttributes.enableBoldAsBright = !!v; + terminal.alternateScreen_.textAttributes.enableBoldAsBright = !!v; + }, + + 'enable-clipboard-write': function(v) { + terminal.vt.enableClipboardWrite = !!v; + }, + + 'enable-dec12': function(v) { + terminal.vt.enableDec12 = !!v; + }, + + 'font-family': function(v) { + terminal.syncFontFamily(); + }, + + 'font-size': function(v) { + terminal.setFontSize(v); + }, + + 'font-smoothing': function(v) { + terminal.syncFontFamily(); + }, + + 'foreground-color': function(v) { + terminal.setForegroundColor(v); + }, + + 'home-keys-scroll': function(v) { + terminal.keyboard.homeKeysScroll = v; + }, + + 'max-string-sequence': function(v) { + terminal.vt.maxStringSequence = v; + }, + + 'media-keys-are-fkeys': function(v) { + terminal.keyboard.mediaKeysAreFKeys = v; + }, + + 'meta-sends-escape': function(v) { + terminal.keyboard.metaSendsEscape = v; + }, + + 'mouse-paste-button': function(v) { + terminal.syncMousePasteButton(); + }, + + 'page-keys-scroll': function(v) { + terminal.keyboard.pageKeysScroll = v; + }, + + 'pass-alt-number': function(v) { + if (v == null) { + var osx = window.navigator.userAgent.match(/Mac OS X/); + + // Let Alt-1..9 pass to the browser (to control tab switching) on + // non-OS X systems, or if hterm is not opened in an app window. + v = (!osx && hterm.windowType != 'popup'); + } + + terminal.passAltNumber = v; + }, + + 'pass-ctrl-number': function(v) { + if (v == null) { + var osx = window.navigator.userAgent.match(/Mac OS X/); + + // Let Ctrl-1..9 pass to the browser (to control tab switching) on + // non-OS X systems, or if hterm is not opened in an app window. + v = (!osx && hterm.windowType != 'popup'); + } + + terminal.passCtrlNumber = v; + }, + + 'pass-meta-number': function(v) { + if (v == null) { + var osx = window.navigator.userAgent.match(/Mac OS X/); + + // Let Meta-1..9 pass to the browser (to control tab switching) on + // OS X systems, or if hterm is not opened in an app window. + v = (osx && hterm.windowType != 'popup'); + } + + terminal.passMetaNumber = v; + }, + + 'pass-meta-v': function(v) { + terminal.keyboard.passMetaV = v; + }, + + 'receive-encoding': function(v) { + if (!(/^(utf-8|raw)$/).test(v)) { + console.warn('Invalid value for "receive-encoding": ' + v); + v = 'utf-8'; + } + + terminal.vt.characterEncoding = v; + }, + + 'scroll-on-keystroke': function(v) { + terminal.scrollOnKeystroke_ = v; + }, + + 'scroll-on-output': function(v) { + terminal.scrollOnOutput_ = v; + }, + + 'scrollbar-visible': function(v) { + terminal.setScrollbarVisible(v); + }, + + 'scroll-wheel-move-multiplier': function(v) { + terminal.setScrollWheelMoveMultipler(v); + }, + + 'send-encoding': function(v) { + if (!(/^(utf-8|raw)$/).test(v)) { + console.warn('Invalid value for "send-encoding": ' + v); + v = 'utf-8'; + } + + terminal.keyboard.characterEncoding = v; + }, + + 'shift-insert-paste': function(v) { + terminal.keyboard.shiftInsertPaste = v; + }, + + 'user-css': function(v) { + terminal.scrollPort_.setUserCss(v); + } + }); + + this.prefs_.readStorage(function() { + this.prefs_.notifyAll(); + + if (opt_callback) + opt_callback(); + }.bind(this)); +}; + + +/** + * Returns the preferences manager used for configuring this terminal. + */ +hterm.Terminal.prototype.getPrefs = function() { + return this.prefs_; +}; + +/** + * Enable or disable bracketed paste mode. + */ +hterm.Terminal.prototype.setBracketedPaste = function(state) { + this.options_.bracketedPaste = state; +}; + +/** + * Set the color for the cursor. + * + * If you want this setting to persist, set it through prefs_, rather than + * with this method. + */ +hterm.Terminal.prototype.setCursorColor = function(color) { + this.cursorColor_ = color; + this.cursorNode_.style.backgroundColor = color; + this.cursorNode_.style.borderColor = color; +}; + +/** + * Return the current cursor color as a string. + */ +hterm.Terminal.prototype.getCursorColor = function() { + return this.cursorColor_; +}; + +/** + * Enable or disable mouse based text selection in the terminal. + */ +hterm.Terminal.prototype.setSelectionEnabled = function(state) { + this.enableMouseDragScroll = state; +}; + +/** + * Set the background color. + * + * If you want this setting to persist, set it through prefs_, rather than + * with this method. + */ +hterm.Terminal.prototype.setBackgroundColor = function(color) { + this.backgroundColor_ = lib.colors.normalizeCSS(color); + this.primaryScreen_.textAttributes.setDefaults( + this.foregroundColor_, this.backgroundColor_); + this.alternateScreen_.textAttributes.setDefaults( + this.foregroundColor_, this.backgroundColor_); + this.scrollPort_.setBackgroundColor(color); +}; + +/** + * Return the current terminal background color. + * + * Intended for use by other classes, so we don't have to expose the entire + * prefs_ object. + */ +hterm.Terminal.prototype.getBackgroundColor = function() { + return this.backgroundColor_; +}; + +/** + * Set the foreground color. + * + * If you want this setting to persist, set it through prefs_, rather than + * with this method. + */ +hterm.Terminal.prototype.setForegroundColor = function(color) { + this.foregroundColor_ = lib.colors.normalizeCSS(color); + this.primaryScreen_.textAttributes.setDefaults( + this.foregroundColor_, this.backgroundColor_); + this.alternateScreen_.textAttributes.setDefaults( + this.foregroundColor_, this.backgroundColor_); + this.scrollPort_.setForegroundColor(color); +}; + +/** + * Return the current terminal foreground color. + * + * Intended for use by other classes, so we don't have to expose the entire + * prefs_ object. + */ +hterm.Terminal.prototype.getForegroundColor = function() { + return this.foregroundColor_; +}; + +/** + * Create a new instance of a terminal command and run it with a given + * argument string. + * + * @param {function} commandClass The constructor for a terminal command. + * @param {string} argString The argument string to pass to the command. + */ +hterm.Terminal.prototype.runCommandClass = function(commandClass, argString) { + var environment = this.prefs_.get('environment'); + if (typeof environment != 'object' || environment == null) + environment = {}; + + var self = this; + this.command = new commandClass( + { argString: argString || '', + io: this.io.push(), + environment: environment, + onExit: function(code) { + self.io.pop(); + self.uninstallKeyboard(); + if (self.prefs_.get('close-on-exit')) + window.close(); + } + }); + + this.installKeyboard(); + this.command.run(); +}; + +/** + * Returns true if the current screen is the primary screen, false otherwise. + */ +hterm.Terminal.prototype.isPrimaryScreen = function() { + return this.screen_ == this.primaryScreen_; +}; + +/** + * Install the keyboard handler for this terminal. + * + * This will prevent the browser from seeing any keystrokes sent to the + * terminal. + */ +hterm.Terminal.prototype.installKeyboard = function() { + this.keyboard.installKeyboard(this.scrollPort_.getDocument().body); +} + +/** + * Uninstall the keyboard handler for this terminal. + */ +hterm.Terminal.prototype.uninstallKeyboard = function() { + this.keyboard.installKeyboard(null); +} + +/** + * Set the font size for this terminal. + * + * Call setFontSize(0) to reset to the default font size. + * + * This function does not modify the font-size preference. + * + * @param {number} px The desired font size, in pixels. + */ +hterm.Terminal.prototype.setFontSize = function(px) { + if (px === 0) + px = this.prefs_.get('font-size'); + + this.scrollPort_.setFontSize(px); + if (this.wcCssRule_) { + this.wcCssRule_.style.width = this.scrollPort_.characterSize.width * 2 + + 'px'; + } +}; + +/** + * Get the current font size. + */ +hterm.Terminal.prototype.getFontSize = function() { + return this.scrollPort_.getFontSize(); +}; + +/** + * Get the current font family. + */ +hterm.Terminal.prototype.getFontFamily = function() { + return this.scrollPort_.getFontFamily(); +}; + +/** + * Set the CSS "font-family" for this terminal. + */ +hterm.Terminal.prototype.syncFontFamily = function() { + this.scrollPort_.setFontFamily(this.prefs_.get('font-family'), + this.prefs_.get('font-smoothing')); + this.syncBoldSafeState(); +}; + +/** + * Set this.mousePasteButton based on the mouse-paste-button pref, + * autodetecting if necessary. + */ +hterm.Terminal.prototype.syncMousePasteButton = function() { + var button = this.prefs_.get('mouse-paste-button'); + if (typeof button == 'number') { + this.mousePasteButton = button; + return; + } + + var ary = navigator.userAgent.match(/\(X11;\s+(\S+)/); + if (!ary || ary[2] == 'CrOS') { + this.mousePasteButton = 2; + } else { + this.mousePasteButton = 3; + } +}; + +/** + * Enable or disable bold based on the enable-bold pref, autodetecting if + * necessary. + */ +hterm.Terminal.prototype.syncBoldSafeState = function() { + var enableBold = this.prefs_.get('enable-bold'); + if (enableBold !== null) { + this.primaryScreen_.textAttributes.enableBold = enableBold; + this.alternateScreen_.textAttributes.enableBold = enableBold; + return; + } + + var normalSize = this.scrollPort_.measureCharacterSize(); + var boldSize = this.scrollPort_.measureCharacterSize('bold'); + + var isBoldSafe = normalSize.equals(boldSize); + if (!isBoldSafe) { + console.warn('Bold characters disabled: Size of bold weight differs ' + + 'from normal. Font family is: ' + + this.scrollPort_.getFontFamily()); + } + + this.primaryScreen_.textAttributes.enableBold = isBoldSafe; + this.alternateScreen_.textAttributes.enableBold = isBoldSafe; +}; + +/** + * Return a copy of the current cursor position. + * + * @return {hterm.RowCol} The RowCol object representing the current position. + */ +hterm.Terminal.prototype.saveCursor = function() { + return this.screen_.cursorPosition.clone(); +}; + +hterm.Terminal.prototype.getTextAttributes = function() { + return this.screen_.textAttributes; +}; + +hterm.Terminal.prototype.setTextAttributes = function(textAttributes) { + this.screen_.textAttributes = textAttributes; +}; + +/** + * Return the current browser zoom factor applied to the terminal. + * + * @return {number} The current browser zoom factor. + */ +hterm.Terminal.prototype.getZoomFactor = function() { + return this.scrollPort_.characterSize.zoomFactor; +}; + +/** + * Change the title of this terminal's window. + */ +hterm.Terminal.prototype.setWindowTitle = function(title) { + window.document.title = title; +}; + +/** + * Restore a previously saved cursor position. + * + * @param {hterm.RowCol} cursor The position to restore. + */ +hterm.Terminal.prototype.restoreCursor = function(cursor) { + var row = lib.f.clamp(cursor.row, 0, this.screenSize.height - 1); + var column = lib.f.clamp(cursor.column, 0, this.screenSize.width - 1); + this.screen_.setCursorPosition(row, column); + if (cursor.column > column || + cursor.column == column && cursor.overflow) { + this.screen_.cursorPosition.overflow = true; + } +}; + +/** + * Clear the cursor's overflow flag. + */ +hterm.Terminal.prototype.clearCursorOverflow = function() { + this.screen_.cursorPosition.overflow = false; +}; + +/** + * Sets the cursor shape + */ +hterm.Terminal.prototype.setCursorShape = function(shape) { + this.cursorShape_ = shape; + this.restyleCursor_(); +} + +/** + * Get the cursor shape + */ +hterm.Terminal.prototype.getCursorShape = function() { + return this.cursorShape_; +} + +/** + * Set the width of the terminal, resizing the UI to match. + */ +hterm.Terminal.prototype.setWidth = function(columnCount) { + if (columnCount == null) { + this.div_.style.width = '100%'; + return; + } + + this.div_.style.width = Math.ceil( + this.scrollPort_.characterSize.width * + columnCount + this.scrollPort_.currentScrollbarWidthPx) + 'px'; + this.realizeSize_(columnCount, this.screenSize.height); + this.scheduleSyncCursorPosition_(); +}; + +/** + * Set the height of the terminal, resizing the UI to match. + */ +hterm.Terminal.prototype.setHeight = function(rowCount) { + if (rowCount == null) { + this.div_.style.height = '100%'; + return; + } + + this.div_.style.height = + this.scrollPort_.characterSize.height * rowCount + 'px'; + this.realizeSize_(this.screenSize.width, rowCount); + this.scheduleSyncCursorPosition_(); +}; + +/** + * Deal with terminal size changes. + * + */ +hterm.Terminal.prototype.realizeSize_ = function(columnCount, rowCount) { + if (columnCount != this.screenSize.width) + this.realizeWidth_(columnCount); + + if (rowCount != this.screenSize.height) + this.realizeHeight_(rowCount); + + // Send new terminal size to plugin. + this.io.onTerminalResize_(columnCount, rowCount); +}; + +/** + * Deal with terminal width changes. + * + * This function does what needs to be done when the terminal width changes + * out from under us. It happens here rather than in onResize_() because this + * code may need to run synchronously to handle programmatic changes of + * terminal width. + * + * Relying on the browser to send us an async resize event means we may not be + * in the correct state yet when the next escape sequence hits. + */ +hterm.Terminal.prototype.realizeWidth_ = function(columnCount) { + if (columnCount <= 0) + throw new Error('Attempt to realize bad width: ' + columnCount); + + var deltaColumns = columnCount - this.screen_.getWidth(); + + this.screenSize.width = columnCount; + this.screen_.setColumnCount(columnCount); + + if (deltaColumns > 0) { + if (this.defaultTabStops) + this.setDefaultTabStops(this.screenSize.width - deltaColumns); + } else { + for (var i = this.tabStops_.length - 1; i >= 0; i--) { + if (this.tabStops_[i] < columnCount) + break; + + this.tabStops_.pop(); + } + } + + this.screen_.setColumnCount(this.screenSize.width); +}; + +/** + * Deal with terminal height changes. + * + * This function does what needs to be done when the terminal height changes + * out from under us. It happens here rather than in onResize_() because this + * code may need to run synchronously to handle programmatic changes of + * terminal height. + * + * Relying on the browser to send us an async resize event means we may not be + * in the correct state yet when the next escape sequence hits. + */ +hterm.Terminal.prototype.realizeHeight_ = function(rowCount) { + if (rowCount <= 0) + throw new Error('Attempt to realize bad height: ' + rowCount); + + var deltaRows = rowCount - this.screen_.getHeight(); + + this.screenSize.height = rowCount; + + var cursor = this.saveCursor(); + + if (deltaRows < 0) { + // Screen got smaller. + deltaRows *= -1; + while (deltaRows) { + var lastRow = this.getRowCount() - 1; + if (lastRow - this.scrollbackRows_.length == cursor.row) + break; + + if (this.getRowText(lastRow)) + break; + + this.screen_.popRow(); + deltaRows--; + } + + var ary = this.screen_.shiftRows(deltaRows); + this.scrollbackRows_.push.apply(this.scrollbackRows_, ary); + + // We just removed rows from the top of the screen, we need to update + // the cursor to match. + cursor.row = Math.max(cursor.row - deltaRows, 0); + } else if (deltaRows > 0) { + // Screen got larger. + + if (deltaRows <= this.scrollbackRows_.length) { + var scrollbackCount = Math.min(deltaRows, this.scrollbackRows_.length); + var rows = this.scrollbackRows_.splice( + this.scrollbackRows_.length - scrollbackCount, scrollbackCount); + this.screen_.unshiftRows(rows); + deltaRows -= scrollbackCount; + cursor.row += scrollbackCount; + } + + if (deltaRows) + this.appendRows_(deltaRows); + } + + this.setVTScrollRegion(null, null); + this.restoreCursor(cursor); +}; + +/** + * Scroll the terminal to the top of the scrollback buffer. + */ +hterm.Terminal.prototype.scrollHome = function() { + this.scrollPort_.scrollRowToTop(0); +}; + +/** + * Scroll the terminal to the end. + */ +hterm.Terminal.prototype.scrollEnd = function() { + this.scrollPort_.scrollRowToBottom(this.getRowCount()); +}; + +/** + * Scroll the terminal one page up (minus one line) relative to the current + * position. + */ +hterm.Terminal.prototype.scrollPageUp = function() { + var i = this.scrollPort_.getTopRowIndex(); + this.scrollPort_.scrollRowToTop(i - this.screenSize.height + 1); +}; + +/** + * Scroll the terminal one page down (minus one line) relative to the current + * position. + */ +hterm.Terminal.prototype.scrollPageDown = function() { + var i = this.scrollPort_.getTopRowIndex(); + this.scrollPort_.scrollRowToTop(i + this.screenSize.height - 1); +}; + +/** + * Clear primary screen, secondary screen, and the scrollback buffer. + */ +hterm.Terminal.prototype.wipeContents = function() { + this.scrollbackRows_.length = 0; + this.scrollPort_.resetCache(); + + [this.primaryScreen_, this.alternateScreen_].forEach(function(screen) { + var bottom = screen.getHeight(); + if (bottom > 0) { + this.renumberRows_(0, bottom); + this.clearHome(screen); + } + }.bind(this)); + + this.syncCursorPosition_(); + this.scrollPort_.invalidate(); +}; + +/** + * Full terminal reset. + */ +hterm.Terminal.prototype.reset = function() { + this.clearAllTabStops(); + this.setDefaultTabStops(); + + this.clearHome(this.primaryScreen_); + this.primaryScreen_.textAttributes.reset(); + + this.clearHome(this.alternateScreen_); + this.alternateScreen_.textAttributes.reset(); + + this.setCursorBlink(!!this.prefs_.get('cursor-blink')); + + this.vt.reset(); + + this.softReset(); +}; + +/** + * Soft terminal reset. + * + * Perform a soft reset to the default values listed in + * http://www.vt100.net/docs/vt510-rm/DECSTR#T5-9 + */ +hterm.Terminal.prototype.softReset = function() { + // Reset terminal options to their default values. + this.options_ = new hterm.Options(); + + // We show the cursor on soft reset but do not alter the blink state. + this.options_.cursorBlink = !!this.timeouts_.cursorBlink; + + // Xterm also resets the color palette on soft reset, even though it doesn't + // seem to be documented anywhere. + this.primaryScreen_.textAttributes.resetColorPalette(); + this.alternateScreen_.textAttributes.resetColorPalette(); + + // The xterm man page explicitly says this will happen on soft reset. + this.setVTScrollRegion(null, null); + + // Xterm also shows the cursor on soft reset, but does not alter the blink + // state. + this.setCursorVisible(true); +}; + +/** + * Move the cursor forward to the next tab stop, or to the last column + * if no more tab stops are set. + */ +hterm.Terminal.prototype.forwardTabStop = function() { + var column = this.screen_.cursorPosition.column; + + for (var i = 0; i < this.tabStops_.length; i++) { + if (this.tabStops_[i] > column) { + this.setCursorColumn(this.tabStops_[i]); + return; + } + } + + // xterm does not clear the overflow flag on HT or CHT. + var overflow = this.screen_.cursorPosition.overflow; + this.setCursorColumn(this.screenSize.width - 1); + this.screen_.cursorPosition.overflow = overflow; +}; + +/** + * Move the cursor backward to the previous tab stop, or to the first column + * if no previous tab stops are set. + */ +hterm.Terminal.prototype.backwardTabStop = function() { + var column = this.screen_.cursorPosition.column; + + for (var i = this.tabStops_.length - 1; i >= 0; i--) { + if (this.tabStops_[i] < column) { + this.setCursorColumn(this.tabStops_[i]); + return; + } + } + + this.setCursorColumn(1); +}; + +/** + * Set a tab stop at the given column. + * + * @param {int} column Zero based column. + */ +hterm.Terminal.prototype.setTabStop = function(column) { + for (var i = this.tabStops_.length - 1; i >= 0; i--) { + if (this.tabStops_[i] == column) + return; + + if (this.tabStops_[i] < column) { + this.tabStops_.splice(i + 1, 0, column); + return; + } + } + + this.tabStops_.splice(0, 0, column); +}; + +/** + * Clear the tab stop at the current cursor position. + * + * No effect if there is no tab stop at the current cursor position. + */ +hterm.Terminal.prototype.clearTabStopAtCursor = function() { + var column = this.screen_.cursorPosition.column; + + var i = this.tabStops_.indexOf(column); + if (i == -1) + return; + + this.tabStops_.splice(i, 1); +}; + +/** + * Clear all tab stops. + */ +hterm.Terminal.prototype.clearAllTabStops = function() { + this.tabStops_.length = 0; + this.defaultTabStops = false; +}; + +/** + * Set up the default tab stops, starting from a given column. + * + * This sets a tabstop every (column % this.tabWidth) column, starting + * from the specified column, or 0 if no column is provided. It also flags + * future resizes to set them up. + * + * This does not clear the existing tab stops first, use clearAllTabStops + * for that. + * + * @param {int} opt_start Optional starting zero based starting column, useful + * for filling out missing tab stops when the terminal is resized. + */ +hterm.Terminal.prototype.setDefaultTabStops = function(opt_start) { + var start = opt_start || 0; + var w = this.tabWidth; + // Round start up to a default tab stop. + start = start - 1 - ((start - 1) % w) + w; + for (var i = start; i < this.screenSize.width; i += w) { + this.setTabStop(i); + } + + this.defaultTabStops = true; +}; + +/** + * Interpret a sequence of characters. + * + * Incomplete escape sequences are buffered until the next call. + * + * @param {string} str Sequence of characters to interpret or pass through. + */ +hterm.Terminal.prototype.interpret = function(str) { + this.vt.interpret(str); + this.scheduleSyncCursorPosition_(); +}; + +/** + * Take over the given DIV for use as the terminal display. + * + * @param {HTMLDivElement} div The div to use as the terminal display. + */ +hterm.Terminal.prototype.decorate = function(div) { + this.div_ = div; + + this.scrollPort_.decorate(div); + this.scrollPort_.setBackgroundImage(this.prefs_.get('background-image')); + this.scrollPort_.setBackgroundSize(this.prefs_.get('background-size')); + this.scrollPort_.setBackgroundPosition( + this.prefs_.get('background-position')); + this.scrollPort_.setUserCss(this.prefs_.get('user-css')); + + this.div_.focus = this.focus.bind(this); + + this.setFontSize(this.prefs_.get('font-size')); + this.syncFontFamily(); + + this.setScrollbarVisible(this.prefs_.get('scrollbar-visible')); + this.setScrollWheelMoveMultipler( + this.prefs_.get('scroll-wheel-move-multiplier')); + + this.document_ = this.scrollPort_.getDocument(); + + this.document_.body.oncontextmenu = function() { return false }; + + var onMouse = this.onMouse_.bind(this); + var screenNode = this.scrollPort_.getScreenNode(); + screenNode.addEventListener('mousedown', onMouse); + screenNode.addEventListener('mouseup', onMouse); + screenNode.addEventListener('mousemove', onMouse); + this.scrollPort_.onScrollWheel = onMouse; + + screenNode.addEventListener( + 'focus', this.onFocusChange_.bind(this, true)); + // Listen for mousedown events on the screenNode as in FF the focus + // events don't bubble. + screenNode.addEventListener('mousedown', function() { + setTimeout(this.onFocusChange_.bind(this, true)); + }.bind(this)); + + screenNode.addEventListener( + 'blur', this.onFocusChange_.bind(this, false)); + + var style = this.document_.createElement('style'); + style.textContent = + ('.cursor-node[focus="false"] {' + + ' box-sizing: border-box;' + + ' background-color: transparent !important;' + + ' border-width: 2px;' + + ' border-style: solid;' + + '}' + + '.wc-node {' + + ' display: inline-block;' + + ' text-align: center;' + + ' width: ' + this.scrollPort_.characterSize.width * 2 + 'px;' + + '}'); + this.document_.head.appendChild(style); + + var styleSheets = this.document_.styleSheets; + var cssRules = styleSheets[styleSheets.length - 1].cssRules; + this.wcCssRule_ = cssRules[cssRules.length - 1]; + + this.cursorNode_ = this.document_.createElement('div'); + this.cursorNode_.className = 'cursor-node'; + this.cursorNode_.style.cssText = + ('position: absolute;' + + 'top: -99px;' + + 'display: block;' + + 'width: ' + this.scrollPort_.characterSize.width + 'px;' + + 'height: ' + this.scrollPort_.characterSize.height + 'px;' + + '-webkit-transition: opacity, background-color 100ms linear;' + + '-moz-transition: opacity, background-color 100ms linear;'); + + this.setCursorColor(this.prefs_.get('cursor-color')); + this.setCursorBlink(!!this.prefs_.get('cursor-blink')); + this.restyleCursor_(); + + this.document_.body.appendChild(this.cursorNode_); + + // When 'enableMouseDragScroll' is off we reposition this element directly + // under the mouse cursor after a click. This makes Chrome associate + // subsequent mousemove events with the scroll-blocker. Since the + // scroll-blocker is a peer (not a child) of the scrollport, the mousemove + // events do not cause the scrollport to scroll. + // + // It's a hack, but it's the cleanest way I could find. + this.scrollBlockerNode_ = this.document_.createElement('div'); + this.scrollBlockerNode_.style.cssText = + ('position: absolute;' + + 'top: -99px;' + + 'display: block;' + + 'width: 10px;' + + 'height: 10px;'); + this.document_.body.appendChild(this.scrollBlockerNode_); + + var onMouse = this.onMouse_.bind(this); + this.scrollPort_.onScrollWheel = onMouse; + ['mousedown', 'mouseup', 'mousemove', 'click', 'dblclick', + ].forEach(function(event) { + this.scrollBlockerNode_.addEventListener(event, onMouse); + this.cursorNode_.addEventListener(event, onMouse); + this.document_.addEventListener(event, onMouse); + }.bind(this)); + + this.cursorNode_.addEventListener('mousedown', function() { + setTimeout(this.focus.bind(this)); + }.bind(this)); + + this.setReverseVideo(false); + + this.scrollPort_.focus(); + this.scrollPort_.scheduleRedraw(); +}; + +/** + * Return the HTML document that contains the terminal DOM nodes. + */ +hterm.Terminal.prototype.getDocument = function() { + return this.document_; +}; + +/** + * Focus the terminal. + */ +hterm.Terminal.prototype.focus = function() { + this.scrollPort_.focus(); +}; + +/** + * Return the HTML Element for a given row index. + * + * This is a method from the RowProvider interface. The ScrollPort uses + * it to fetch rows on demand as they are scrolled into view. + * + * TODO(rginda): Consider saving scrollback rows as (HTML source, text content) + * pairs to conserve memory. + * + * @param {integer} index The zero-based row index, measured relative to the + * start of the scrollback buffer. On-screen rows will always have the + * largest indicies. + * @return {HTMLElement} The 'x-row' element containing for the requested row. + */ +hterm.Terminal.prototype.getRowNode = function(index) { + if (index < this.scrollbackRows_.length) + return this.scrollbackRows_[index]; + + var screenIndex = index - this.scrollbackRows_.length; + return this.screen_.rowsArray[screenIndex]; +}; + +/** + * Return the text content for a given range of rows. + * + * This is a method from the RowProvider interface. The ScrollPort uses + * it to fetch text content on demand when the user attempts to copy their + * selection to the clipboard. + * + * @param {integer} start The zero-based row index to start from, measured + * relative to the start of the scrollback buffer. On-screen rows will + * always have the largest indicies. + * @param {integer} end The zero-based row index to end on, measured + * relative to the start of the scrollback buffer. + * @return {string} A single string containing the text value of the range of + * rows. Lines will be newline delimited, with no trailing newline. + */ +hterm.Terminal.prototype.getRowsText = function(start, end) { + var ary = []; + for (var i = start; i < end; i++) { + var node = this.getRowNode(i); + ary.push(node.textContent); + if (i < end - 1 && !node.getAttribute('line-overflow')) + ary.push('\n'); + } + + return ary.join(''); +}; + +/** + * Return the text content for a given row. + * + * This is a method from the RowProvider interface. The ScrollPort uses + * it to fetch text content on demand when the user attempts to copy their + * selection to the clipboard. + * + * @param {integer} index The zero-based row index to return, measured + * relative to the start of the scrollback buffer. On-screen rows will + * always have the largest indicies. + * @return {string} A string containing the text value of the selected row. + */ +hterm.Terminal.prototype.getRowText = function(index) { + var node = this.getRowNode(index); + return node.textContent; +}; + +/** + * Return the total number of rows in the addressable screen and in the + * scrollback buffer of this terminal. + * + * This is a method from the RowProvider interface. The ScrollPort uses + * it to compute the size of the scrollbar. + * + * @return {integer} The number of rows in this terminal. + */ +hterm.Terminal.prototype.getRowCount = function() { + return this.scrollbackRows_.length + this.screen_.rowsArray.length; +}; + +/** + * Create DOM nodes for new rows and append them to the end of the terminal. + * + * This is the only correct way to add a new DOM node for a row. Notice that + * the new row is appended to the bottom of the list of rows, and does not + * require renumbering (of the rowIndex property) of previous rows. + * + * If you think you want a new blank row somewhere in the middle of the + * terminal, look into moveRows_(). + * + * This method does not pay attention to vtScrollTop/Bottom, since you should + * be using moveRows() in cases where they would matter. + * + * The cursor will be positioned at column 0 of the first inserted line. + */ +hterm.Terminal.prototype.appendRows_ = function(count) { + var cursorRow = this.screen_.rowsArray.length; + var offset = this.scrollbackRows_.length + cursorRow; + for (var i = 0; i < count; i++) { + var row = this.document_.createElement('x-row'); + row.appendChild(this.document_.createTextNode('')); + row.rowIndex = offset + i; + this.screen_.pushRow(row); + } + + var extraRows = this.screen_.rowsArray.length - this.screenSize.height; + if (extraRows > 0) { + var ary = this.screen_.shiftRows(extraRows); + Array.prototype.push.apply(this.scrollbackRows_, ary); + if (this.scrollPort_.isScrolledEnd) + this.scheduleScrollDown_(); + } + + if (cursorRow >= this.screen_.rowsArray.length) + cursorRow = this.screen_.rowsArray.length - 1; + + this.setAbsoluteCursorPosition(cursorRow, 0); +}; + +/** + * Relocate rows from one part of the addressable screen to another. + * + * This is used to recycle rows during VT scrolls (those which are driven + * by VT commands, rather than by the user manipulating the scrollbar.) + * + * In this case, the blank lines scrolled into the scroll region are made of + * the nodes we scrolled off. These have their rowIndex properties carefully + * renumbered so as not to confuse the ScrollPort. + */ +hterm.Terminal.prototype.moveRows_ = function(fromIndex, count, toIndex) { + var ary = this.screen_.removeRows(fromIndex, count); + this.screen_.insertRows(toIndex, ary); + + var start, end; + if (fromIndex < toIndex) { + start = fromIndex; + end = toIndex + count; + } else { + start = toIndex; + end = fromIndex + count; + } + + this.renumberRows_(start, end); + this.scrollPort_.scheduleInvalidate(); +}; + +/** + * Renumber the rowIndex property of the given range of rows. + * + * The start and end indicies are relative to the screen, not the scrollback. + * Rows in the scrollback buffer cannot be renumbered. Since they are not + * addressable (you can't delete them, scroll them, etc), you should have + * no need to renumber scrollback rows. + */ +hterm.Terminal.prototype.renumberRows_ = function(start, end, opt_screen) { + var screen = opt_screen || this.screen_; + + var offset = this.scrollbackRows_.length; + for (var i = start; i < end; i++) { + screen.rowsArray[i].rowIndex = offset + i; + } +}; + +/** + * Print a string to the terminal. + * + * This respects the current insert and wraparound modes. It will add new lines + * to the end of the terminal, scrolling off the top into the scrollback buffer + * if necessary. + * + * The string is *not* parsed for escape codes. Use the interpret() method if + * that's what you're after. + * + * @param{string} str The string to print. + */ +hterm.Terminal.prototype.print = function(str) { + var startOffset = 0; + + var strWidth = lib.wc.strWidth(str); + + while (startOffset < strWidth) { + if (this.options_.wraparound && this.screen_.cursorPosition.overflow) { + this.screen_.commitLineOverflow(); + this.newLine(); + } + + var count = strWidth - startOffset; + var didOverflow = false; + var substr; + + if (this.screen_.cursorPosition.column + count >= this.screenSize.width) { + didOverflow = true; + count = this.screenSize.width - this.screen_.cursorPosition.column; + } + + if (didOverflow && !this.options_.wraparound) { + // If the string overflowed the line but wraparound is off, then the + // last printed character should be the last of the string. + // TODO: This will add to our problems with multibyte UTF-16 characters. + substr = lib.wc.substr(str, startOffset, count - 1) + + lib.wc.substr(str, strWidth - 1); + count = strWidth; + } else { + substr = lib.wc.substr(str, startOffset, count); + } + + var tokens = hterm.TextAttributes.splitWidecharString(substr); + for (var i = 0; i < tokens.length; i++) { + if (tokens[i].wcNode) + this.screen_.textAttributes.wcNode = true; + + if (this.options_.insertMode) { + this.screen_.insertString(tokens[i].str); + } else { + this.screen_.overwriteString(tokens[i].str); + } + this.screen_.textAttributes.wcNode = false; + } + + this.screen_.maybeClipCurrentRow(); + startOffset += count; + } + + this.scheduleSyncCursorPosition_(); + + if (this.scrollOnOutput_) + this.scrollPort_.scrollRowToBottom(this.getRowCount()); +}; + +/** + * Set the VT scroll region. + * + * This also resets the cursor position to the absolute (0, 0) position, since + * that's what xterm appears to do. + * + * Setting the scroll region to the full height of the terminal will clear + * the scroll region. This is *NOT* what most terminals do. We're explicitly + * going "off-spec" here because it makes `screen` and `tmux` overflow into the + * local scrollback buffer, which means the scrollbars and shift-pgup/pgdn + * continue to work as most users would expect. + * + * @param {integer} scrollTop The zero-based top of the scroll region. + * @param {integer} scrollBottom The zero-based bottom of the scroll region, + * inclusive. + */ +hterm.Terminal.prototype.setVTScrollRegion = function(scrollTop, scrollBottom) { + if (scrollTop == 0 && scrollBottom == this.screenSize.height - 1) { + this.vtScrollTop_ = null; + this.vtScrollBottom_ = null; + } else { + this.vtScrollTop_ = scrollTop; + this.vtScrollBottom_ = scrollBottom; + } +}; + +/** + * Return the top row index according to the VT. + * + * This will return 0 unless the terminal has been told to restrict scrolling + * to some lower row. It is used for some VT cursor positioning and scrolling + * commands. + * + * @return {integer} The topmost row in the terminal's scroll region. + */ +hterm.Terminal.prototype.getVTScrollTop = function() { + if (this.vtScrollTop_ != null) + return this.vtScrollTop_; + + return 0; +}; + +/** + * Return the bottom row index according to the VT. + * + * This will return the height of the terminal unless the it has been told to + * restrict scrolling to some higher row. It is used for some VT cursor + * positioning and scrolling commands. + * + * @return {integer} The bottommost row in the terminal's scroll region. + */ +hterm.Terminal.prototype.getVTScrollBottom = function() { + if (this.vtScrollBottom_ != null) + return this.vtScrollBottom_; + + return this.screenSize.height - 1; +} + +/** + * Process a '\n' character. + * + * If the cursor is on the final row of the terminal this will append a new + * blank row to the screen and scroll the topmost row into the scrollback + * buffer. + * + * Otherwise, this moves the cursor to column zero of the next row. + */ +hterm.Terminal.prototype.newLine = function() { + var cursorAtEndOfScreen = (this.screen_.cursorPosition.row == + this.screen_.rowsArray.length - 1); + + if (this.vtScrollBottom_ != null) { + // A VT Scroll region is active, we never append new rows. + if (this.screen_.cursorPosition.row == this.vtScrollBottom_) { + // We're at the end of the VT Scroll Region, perform a VT scroll. + this.vtScrollUp(1); + this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, 0); + } else if (cursorAtEndOfScreen) { + // We're at the end of the screen, the only thing to do is put the + // cursor to column 0. + this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, 0); + } else { + // Anywhere else, advance the cursor row, and reset the column. + this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row + 1, 0); + } + } else if (cursorAtEndOfScreen) { + // We're at the end of the screen. Append a new row to the terminal, + // shifting the top row into the scrollback. + this.appendRows_(1); + } else { + // Anywhere else in the screen just moves the cursor. + this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row + 1, 0); + } +}; + +/** + * Like newLine(), except maintain the cursor column. + */ +hterm.Terminal.prototype.lineFeed = function() { + var column = this.screen_.cursorPosition.column; + this.newLine(); + this.setCursorColumn(column); +}; + +/** + * If autoCarriageReturn is set then newLine(), else lineFeed(). + */ +hterm.Terminal.prototype.formFeed = function() { + if (this.options_.autoCarriageReturn) { + this.newLine(); + } else { + this.lineFeed(); + } +}; + +/** + * Move the cursor up one row, possibly inserting a blank line. + * + * The cursor column is not changed. + */ +hterm.Terminal.prototype.reverseLineFeed = function() { + var scrollTop = this.getVTScrollTop(); + var currentRow = this.screen_.cursorPosition.row; + + if (currentRow == scrollTop) { + this.insertLines(1); + } else { + this.setAbsoluteCursorRow(currentRow - 1); + } +}; + +/** + * Replace all characters to the left of the current cursor with the space + * character. + * + * TODO(rginda): This should probably *remove* the characters (not just replace + * with a space) if there are no characters at or beyond the current cursor + * position. + */ +hterm.Terminal.prototype.eraseToLeft = function() { + var cursor = this.saveCursor(); + this.setCursorColumn(0); + this.screen_.overwriteString(lib.f.getWhitespace(cursor.column + 1)); + this.restoreCursor(cursor); +}; + +/** + * Erase a given number of characters to the right of the cursor. + * + * The cursor position is unchanged. + * + * If the current background color is not the default background color this + * will insert spaces rather than delete. This is unfortunate because the + * trailing space will affect text selection, but it's difficult to come up + * with a way to style empty space that wouldn't trip up the hterm.Screen + * code. + * + * eraseToRight is ignored in the presence of a cursor overflow. This deviates + * from xterm, but agrees with gnome-terminal and konsole, xfce4-terminal. See + * crbug.com/232390 for details. + */ +hterm.Terminal.prototype.eraseToRight = function(opt_count) { + if (this.screen_.cursorPosition.overflow) + return; + + var maxCount = this.screenSize.width - this.screen_.cursorPosition.column; + var count = opt_count ? Math.min(opt_count, maxCount) : maxCount; + + if (this.screen_.textAttributes.background === + this.screen_.textAttributes.DEFAULT_COLOR) { + var cursorRow = this.screen_.rowsArray[this.screen_.cursorPosition.row]; + if (hterm.TextAttributes.nodeWidth(cursorRow) <= + this.screen_.cursorPosition.column + count) { + this.screen_.deleteChars(count); + this.clearCursorOverflow(); + return; + } + } + + var cursor = this.saveCursor(); + this.screen_.overwriteString(lib.f.getWhitespace(count)); + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Erase the current line. + * + * The cursor position is unchanged. + */ +hterm.Terminal.prototype.eraseLine = function() { + var cursor = this.saveCursor(); + this.screen_.clearCursorRow(); + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Erase all characters from the start of the screen to the current cursor + * position, regardless of scroll region. + * + * The cursor position is unchanged. + */ +hterm.Terminal.prototype.eraseAbove = function() { + var cursor = this.saveCursor(); + + this.eraseToLeft(); + + for (var i = 0; i < cursor.row; i++) { + this.setAbsoluteCursorPosition(i, 0); + this.screen_.clearCursorRow(); + } + + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Erase all characters from the current cursor position to the end of the + * screen, regardless of scroll region. + * + * The cursor position is unchanged. + */ +hterm.Terminal.prototype.eraseBelow = function() { + var cursor = this.saveCursor(); + + this.eraseToRight(); + + var bottom = this.screenSize.height - 1; + for (var i = cursor.row + 1; i <= bottom; i++) { + this.setAbsoluteCursorPosition(i, 0); + this.screen_.clearCursorRow(); + } + + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Fill the terminal with a given character. + * + * This methods does not respect the VT scroll region. + * + * @param {string} ch The character to use for the fill. + */ +hterm.Terminal.prototype.fill = function(ch) { + var cursor = this.saveCursor(); + + this.setAbsoluteCursorPosition(0, 0); + for (var row = 0; row < this.screenSize.height; row++) { + for (var col = 0; col < this.screenSize.width; col++) { + this.setAbsoluteCursorPosition(row, col); + this.screen_.overwriteString(ch); + } + } + + this.restoreCursor(cursor); +}; + +/** + * Erase the entire display and leave the cursor at (0, 0). + * + * This does not respect the scroll region. + * + * @param {hterm.Screen} opt_screen Optional screen to operate on. Defaults + * to the current screen. + */ +hterm.Terminal.prototype.clearHome = function(opt_screen) { + var screen = opt_screen || this.screen_; + var bottom = screen.getHeight(); + + if (bottom == 0) { + // Empty screen, nothing to do. + return; + } + + for (var i = 0; i < bottom; i++) { + screen.setCursorPosition(i, 0); + screen.clearCursorRow(); + } + + screen.setCursorPosition(0, 0); +}; + +/** + * Erase the entire display without changing the cursor position. + * + * The cursor position is unchanged. This does not respect the scroll + * region. + * + * @param {hterm.Screen} opt_screen Optional screen to operate on. Defaults + * to the current screen. + */ +hterm.Terminal.prototype.clear = function(opt_screen) { + var screen = opt_screen || this.screen_; + var cursor = screen.cursorPosition.clone(); + this.clearHome(screen); + screen.setCursorPosition(cursor.row, cursor.column); +}; + +/** + * VT command to insert lines at the current cursor row. + * + * This respects the current scroll region. Rows pushed off the bottom are + * lost (they won't show up in the scrollback buffer). + * + * @param {integer} count The number of lines to insert. + */ +hterm.Terminal.prototype.insertLines = function(count) { + var cursorRow = this.screen_.cursorPosition.row; + + var bottom = this.getVTScrollBottom(); + count = Math.min(count, bottom - cursorRow); + + // The moveCount is the number of rows we need to relocate to make room for + // the new row(s). The count is the distance to move them. + var moveCount = bottom - cursorRow - count + 1; + if (moveCount) + this.moveRows_(cursorRow, moveCount, cursorRow + count); + + for (var i = count - 1; i >= 0; i--) { + this.setAbsoluteCursorPosition(cursorRow + i, 0); + this.screen_.clearCursorRow(); + } +}; + +/** + * VT command to delete lines at the current cursor row. + * + * New rows are added to the bottom of scroll region to take their place. New + * rows are strictly there to take up space and have no content or style. + */ +hterm.Terminal.prototype.deleteLines = function(count) { + var cursor = this.saveCursor(); + + var top = cursor.row; + var bottom = this.getVTScrollBottom(); + + var maxCount = bottom - top + 1; + count = Math.min(count, maxCount); + + var moveStart = bottom - count + 1; + if (count != maxCount) + this.moveRows_(top, count, moveStart); + + for (var i = 0; i < count; i++) { + this.setAbsoluteCursorPosition(moveStart + i, 0); + this.screen_.clearCursorRow(); + } + + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Inserts the given number of spaces at the current cursor position. + * + * The cursor position is not changed. + */ +hterm.Terminal.prototype.insertSpace = function(count) { + var cursor = this.saveCursor(); + + var ws = lib.f.getWhitespace(count || 1); + this.screen_.insertString(ws); + this.screen_.maybeClipCurrentRow(); + + this.restoreCursor(cursor); + this.clearCursorOverflow(); +}; + +/** + * Forward-delete the specified number of characters starting at the cursor + * position. + * + * @param {integer} count The number of characters to delete. + */ +hterm.Terminal.prototype.deleteChars = function(count) { + var deleted = this.screen_.deleteChars(count); + if (deleted && !this.screen_.textAttributes.isDefault()) { + var cursor = this.saveCursor(); + this.setCursorColumn(this.screenSize.width - deleted); + this.screen_.insertString(lib.f.getWhitespace(deleted)); + this.restoreCursor(cursor); + } + + this.clearCursorOverflow(); +}; + +/** + * Shift rows in the scroll region upwards by a given number of lines. + * + * New rows are inserted at the bottom of the scroll region to fill the + * vacated rows. The new rows not filled out with the current text attributes. + * + * This function does not affect the scrollback rows at all. Rows shifted + * off the top are lost. + * + * The cursor position is not altered. + * + * @param {integer} count The number of rows to scroll. + */ +hterm.Terminal.prototype.vtScrollUp = function(count) { + var cursor = this.saveCursor(); + + this.setAbsoluteCursorRow(this.getVTScrollTop()); + this.deleteLines(count); + + this.restoreCursor(cursor); +}; + +/** + * Shift rows below the cursor down by a given number of lines. + * + * This function respects the current scroll region. + * + * New rows are inserted at the top of the scroll region to fill the + * vacated rows. The new rows not filled out with the current text attributes. + * + * This function does not affect the scrollback rows at all. Rows shifted + * off the bottom are lost. + * + * @param {integer} count The number of rows to scroll. + */ +hterm.Terminal.prototype.vtScrollDown = function(opt_count) { + var cursor = this.saveCursor(); + + this.setAbsoluteCursorPosition(this.getVTScrollTop(), 0); + this.insertLines(opt_count); + + this.restoreCursor(cursor); +}; + + +/** + * Set the cursor position. + * + * The cursor row is relative to the scroll region if the terminal has + * 'origin mode' enabled, or relative to the addressable screen otherwise. + * + * @param {integer} row The new zero-based cursor row. + * @param {integer} row The new zero-based cursor column. + */ +hterm.Terminal.prototype.setCursorPosition = function(row, column) { + if (this.options_.originMode) { + this.setRelativeCursorPosition(row, column); + } else { + this.setAbsoluteCursorPosition(row, column); + } +}; + +hterm.Terminal.prototype.setRelativeCursorPosition = function(row, column) { + var scrollTop = this.getVTScrollTop(); + row = lib.f.clamp(row + scrollTop, scrollTop, this.getVTScrollBottom()); + column = lib.f.clamp(column, 0, this.screenSize.width - 1); + this.screen_.setCursorPosition(row, column); +}; + +hterm.Terminal.prototype.setAbsoluteCursorPosition = function(row, column) { + row = lib.f.clamp(row, 0, this.screenSize.height - 1); + column = lib.f.clamp(column, 0, this.screenSize.width - 1); + this.screen_.setCursorPosition(row, column); +}; + +/** + * Set the cursor column. + * + * @param {integer} column The new zero-based cursor column. + */ +hterm.Terminal.prototype.setCursorColumn = function(column) { + this.setAbsoluteCursorPosition(this.screen_.cursorPosition.row, column); +}; + +/** + * Return the cursor column. + * + * @return {integer} The zero-based cursor column. + */ +hterm.Terminal.prototype.getCursorColumn = function() { + return this.screen_.cursorPosition.column; +}; + +/** + * Set the cursor row. + * + * The cursor row is relative to the scroll region if the terminal has + * 'origin mode' enabled, or relative to the addressable screen otherwise. + * + * @param {integer} row The new cursor row. + */ +hterm.Terminal.prototype.setAbsoluteCursorRow = function(row) { + this.setAbsoluteCursorPosition(row, this.screen_.cursorPosition.column); +}; + +/** + * Return the cursor row. + * + * @return {integer} The zero-based cursor row. + */ +hterm.Terminal.prototype.getCursorRow = function(row) { + return this.screen_.cursorPosition.row; +}; + +/** + * Request that the ScrollPort redraw itself soon. + * + * The redraw will happen asynchronously, soon after the call stack winds down. + * Multiple calls will be coalesced into a single redraw. + */ +hterm.Terminal.prototype.scheduleRedraw_ = function() { + if (this.timeouts_.redraw) + return; + + var self = this; + this.timeouts_.redraw = setTimeout(function() { + delete self.timeouts_.redraw; + self.scrollPort_.redraw_(); + }, 0); +}; + +/** + * Request that the ScrollPort be scrolled to the bottom. + * + * The scroll will happen asynchronously, soon after the call stack winds down. + * Multiple calls will be coalesced into a single scroll. + * + * This affects the scrollbar position of the ScrollPort, and has nothing to + * do with the VT scroll commands. + */ +hterm.Terminal.prototype.scheduleScrollDown_ = function() { + if (this.timeouts_.scrollDown) + return; + + var self = this; + this.timeouts_.scrollDown = setTimeout(function() { + delete self.timeouts_.scrollDown; + self.scrollPort_.scrollRowToBottom(self.getRowCount()); + }, 10); +}; + +/** + * Move the cursor up a specified number of rows. + * + * @param {integer} count The number of rows to move the cursor. + */ +hterm.Terminal.prototype.cursorUp = function(count) { + return this.cursorDown(-(count || 1)); +}; + +/** + * Move the cursor down a specified number of rows. + * + * @param {integer} count The number of rows to move the cursor. + */ +hterm.Terminal.prototype.cursorDown = function(count) { + count = count || 1; + var minHeight = (this.options_.originMode ? this.getVTScrollTop() : 0); + var maxHeight = (this.options_.originMode ? this.getVTScrollBottom() : + this.screenSize.height - 1); + + var row = lib.f.clamp(this.screen_.cursorPosition.row + count, + minHeight, maxHeight); + this.setAbsoluteCursorRow(row); +}; + +/** + * Move the cursor left a specified number of columns. + * + * If reverse wraparound mode is enabled and the previous row wrapped into + * the current row then we back up through the wraparound as well. + * + * @param {integer} count The number of columns to move the cursor. + */ +hterm.Terminal.prototype.cursorLeft = function(count) { + count = count || 1; + + if (count < 1) + return; + + var currentColumn = this.screen_.cursorPosition.column; + if (this.options_.reverseWraparound) { + if (this.screen_.cursorPosition.overflow) { + // If this cursor is in the right margin, consume one count to get it + // back to the last column. This only applies when we're in reverse + // wraparound mode. + count--; + this.clearCursorOverflow(); + + if (!count) + return; + } + + var newRow = this.screen_.cursorPosition.row; + var newColumn = currentColumn - count; + if (newColumn < 0) { + newRow = newRow - Math.floor(count / this.screenSize.width) - 1; + if (newRow < 0) { + // xterm also wraps from row 0 to the last row. + newRow = this.screenSize.height + newRow % this.screenSize.height; + } + newColumn = this.screenSize.width + newColumn % this.screenSize.width; + } + + this.setCursorPosition(Math.max(newRow, 0), newColumn); + + } else { + var newColumn = Math.max(currentColumn - count, 0); + this.setCursorColumn(newColumn); + } +}; + +/** + * Move the cursor right a specified number of columns. + * + * @param {integer} count The number of columns to move the cursor. + */ +hterm.Terminal.prototype.cursorRight = function(count) { + count = count || 1; + + if (count < 1) + return; + + var column = lib.f.clamp(this.screen_.cursorPosition.column + count, + 0, this.screenSize.width - 1); + this.setCursorColumn(column); +}; + +/** + * Reverse the foreground and background colors of the terminal. + * + * This only affects text that was drawn with no attributes. + * + * TODO(rginda): Test xterm to see if reverse is respected for text that has + * been drawn with attributes that happen to coincide with the default + * 'no-attribute' colors. My guess is probably not. + */ +hterm.Terminal.prototype.setReverseVideo = function(state) { + this.options_.reverseVideo = state; + if (state) { + this.scrollPort_.setForegroundColor(this.prefs_.get('background-color')); + this.scrollPort_.setBackgroundColor(this.prefs_.get('foreground-color')); + } else { + this.scrollPort_.setForegroundColor(this.prefs_.get('foreground-color')); + this.scrollPort_.setBackgroundColor(this.prefs_.get('background-color')); + } +}; + +/** + * Ring the terminal bell. + * + * This will not play the bell audio more than once per second. + */ +hterm.Terminal.prototype.ringBell = function() { + this.cursorNode_.style.backgroundColor = + this.scrollPort_.getForegroundColor(); + + var self = this; + setTimeout(function() { + self.cursorNode_.style.backgroundColor = self.prefs_.get('cursor-color'); + }, 200); + + // bellSquelchTimeout_ affects both audio and notification bells. + if (this.bellSquelchTimeout_) + return; + + if (this.bellAudio_.getAttribute('src')) { + this.bellAudio_.play(); + this.bellSequelchTimeout_ = setTimeout(function() { + delete this.bellSquelchTimeout_; + }.bind(this), 500); + } else { + delete this.bellSquelchTimeout_; + } + + if (this.desktopNotificationBell_ && !this.document_.hasFocus()) { + var n = new Notification( + lib.f.replaceVars(hterm.desktopNotificationTitle, + {'title': window.document.title || 'hterm'})); + this.bellNotificationList_.push(n); + // TODO: Should we try to raise the window here? + n.onclick = function() { self.closeBellNotifications_(); }; + } +}; + +/** + * Set the origin mode bit. + * + * If origin mode is on, certain VT cursor and scrolling commands measure their + * row parameter relative to the VT scroll region. Otherwise, row 0 corresponds + * to the top of the addressable screen. + * + * Defaults to off. + * + * @param {boolean} state True to set origin mode, false to unset. + */ +hterm.Terminal.prototype.setOriginMode = function(state) { + this.options_.originMode = state; + this.setCursorPosition(0, 0); +}; + +/** + * Set the insert mode bit. + * + * If insert mode is on, existing text beyond the cursor position will be + * shifted right to make room for new text. Otherwise, new text overwrites + * any existing text. + * + * Defaults to off. + * + * @param {boolean} state True to set insert mode, false to unset. + */ +hterm.Terminal.prototype.setInsertMode = function(state) { + this.options_.insertMode = state; +}; + +/** + * Set the auto carriage return bit. + * + * If auto carriage return is on then a formfeed character is interpreted + * as a newline, otherwise it's the same as a linefeed. The difference boils + * down to whether or not the cursor column is reset. + */ +hterm.Terminal.prototype.setAutoCarriageReturn = function(state) { + this.options_.autoCarriageReturn = state; +}; + +/** + * Set the wraparound mode bit. + * + * If wraparound mode is on, certain VT commands will allow the cursor to wrap + * to the start of the following row. Otherwise, the cursor is clamped to the + * end of the screen and attempts to write past it are ignored. + * + * Defaults to on. + * + * @param {boolean} state True to set wraparound mode, false to unset. + */ +hterm.Terminal.prototype.setWraparound = function(state) { + this.options_.wraparound = state; +}; + +/** + * Set the reverse-wraparound mode bit. + * + * If wraparound mode is off, certain VT commands will allow the cursor to wrap + * to the end of the previous row. Otherwise, the cursor is clamped to column + * 0. + * + * Defaults to off. + * + * @param {boolean} state True to set reverse-wraparound mode, false to unset. + */ +hterm.Terminal.prototype.setReverseWraparound = function(state) { + this.options_.reverseWraparound = state; +}; + +/** + * Selects between the primary and alternate screens. + * + * If alternate mode is on, the alternate screen is active. Otherwise the + * primary screen is active. + * + * Swapping screens has no effect on the scrollback buffer. + * + * Each screen maintains its own cursor position. + * + * Defaults to off. + * + * @param {boolean} state True to set alternate mode, false to unset. + */ +hterm.Terminal.prototype.setAlternateMode = function(state) { + var cursor = this.saveCursor(); + this.screen_ = state ? this.alternateScreen_ : this.primaryScreen_; + + if (this.screen_.rowsArray.length && + this.screen_.rowsArray[0].rowIndex != this.scrollbackRows_.length) { + // If the screen changed sizes while we were away, our rowIndexes may + // be incorrect. + var offset = this.scrollbackRows_.length; + var ary = this.screen_.rowsArray; + for (var i = 0; i < ary.length; i++) { + ary[i].rowIndex = offset + i; + } + } + + this.realizeWidth_(this.screenSize.width); + this.realizeHeight_(this.screenSize.height); + this.scrollPort_.syncScrollHeight(); + this.scrollPort_.invalidate(); + + this.restoreCursor(cursor); + this.scrollPort_.resize(); +}; + +/** + * Set the cursor-blink mode bit. + * + * If cursor-blink is on, the cursor will blink when it is visible. Otherwise + * a visible cursor does not blink. + * + * You should make sure to turn blinking off if you're going to dispose of a + * terminal, otherwise you'll leak a timeout. + * + * Defaults to on. + * + * @param {boolean} state True to set cursor-blink mode, false to unset. + */ +hterm.Terminal.prototype.setCursorBlink = function(state) { + this.options_.cursorBlink = state; + + if (!state && this.timeouts_.cursorBlink) { + clearTimeout(this.timeouts_.cursorBlink); + delete this.timeouts_.cursorBlink; + } + + if (this.options_.cursorVisible) + this.setCursorVisible(true); +}; + +/** + * Set the cursor-visible mode bit. + * + * If cursor-visible is on, the cursor will be visible. Otherwise it will not. + * + * Defaults to on. + * + * @param {boolean} state True to set cursor-visible mode, false to unset. + */ +hterm.Terminal.prototype.setCursorVisible = function(state) { + this.options_.cursorVisible = state; + + if (!state) { + if (this.timeouts_.cursorBlink) { + clearTimeout(this.timeouts_.cursorBlink); + delete this.timeouts_.cursorBlink; + } + this.cursorNode_.style.opacity = '0'; + return; + } + + this.syncCursorPosition_(); + + this.cursorNode_.style.opacity = '1'; + + if (this.options_.cursorBlink) { + if (this.timeouts_.cursorBlink) + return; + + this.onCursorBlink_(); + } else { + if (this.timeouts_.cursorBlink) { + clearTimeout(this.timeouts_.cursorBlink); + delete this.timeouts_.cursorBlink; + } + } +}; + +/** + * Synchronizes the visible cursor and document selection with the current + * cursor coordinates. + */ +hterm.Terminal.prototype.syncCursorPosition_ = function() { + var topRowIndex = this.scrollPort_.getTopRowIndex(); + var bottomRowIndex = this.scrollPort_.getBottomRowIndex(topRowIndex); + var cursorRowIndex = this.scrollbackRows_.length + + this.screen_.cursorPosition.row; + + if (cursorRowIndex > bottomRowIndex) { + // Cursor is scrolled off screen, move it outside of the visible area. + this.cursorNode_.style.top = -this.scrollPort_.characterSize.height + 'px'; + return; + } + + if (this.options_.cursorVisible && + this.cursorNode_.style.display == 'none') { + // Re-display the terminal cursor if it was hidden by the mouse cursor. + this.cursorNode_.style.display = ''; + } + + + this.cursorNode_.style.top = this.scrollPort_.visibleRowTopMargin + + this.scrollPort_.characterSize.height * (cursorRowIndex - topRowIndex) + + 'px'; + this.cursorNode_.style.left = this.scrollPort_.characterSize.width * + this.screen_.cursorPosition.column + 'px'; + + this.cursorNode_.setAttribute('title', + '(' + this.screen_.cursorPosition.row + + ', ' + this.screen_.cursorPosition.column + + ')'); + + // Update the caret for a11y purposes. + var selection = this.document_.getSelection(); + if (selection && selection.isCollapsed) + this.screen_.syncSelectionCaret(selection); +}; + +/** + * Adjusts the style of this.cursorNode_ according to the current cursor shape + * and character cell dimensions. + */ +hterm.Terminal.prototype.restyleCursor_ = function() { + var shape = this.cursorShape_; + + if (this.cursorNode_.getAttribute('focus') == 'false') { + // Always show a block cursor when unfocused. + shape = hterm.Terminal.cursorShape.BLOCK; + } + + var style = this.cursorNode_.style; + + style.width = this.scrollPort_.characterSize.width + 'px'; + + switch (shape) { + case hterm.Terminal.cursorShape.BEAM: + style.height = this.scrollPort_.characterSize.height + 'px'; + style.backgroundColor = 'transparent'; + style.borderBottomStyle = null; + style.borderLeftStyle = 'solid'; + break; + + case hterm.Terminal.cursorShape.UNDERLINE: + style.height = this.scrollPort_.characterSize.baseline + 'px'; + style.backgroundColor = 'transparent'; + style.borderBottomStyle = 'solid'; + // correct the size to put it exactly at the baseline + style.borderLeftStyle = null; + break; + + default: + style.height = this.scrollPort_.characterSize.height + 'px'; + style.backgroundColor = this.cursorColor_; + style.borderBottomStyle = null; + style.borderLeftStyle = null; + break; + } +}; + +/** + * Synchronizes the visible cursor with the current cursor coordinates. + * + * The sync will happen asynchronously, soon after the call stack winds down. + * Multiple calls will be coalesced into a single sync. + */ +hterm.Terminal.prototype.scheduleSyncCursorPosition_ = function() { + if (this.timeouts_.syncCursor) + return; + + var self = this; + this.timeouts_.syncCursor = setTimeout(function() { + self.syncCursorPosition_(); + delete self.timeouts_.syncCursor; + }, 0); +}; + +/** + * Show or hide the zoom warning. + * + * The zoom warning is a message warning the user that their browser zoom must + * be set to 100% in order for hterm to function properly. + * + * @param {boolean} state True to show the message, false to hide it. + */ +hterm.Terminal.prototype.showZoomWarning_ = function(state) { + if (!this.zoomWarningNode_) { + if (!state) + return; + + this.zoomWarningNode_ = this.document_.createElement('div'); + this.zoomWarningNode_.style.cssText = ( + 'color: black;' + + 'background-color: #ff2222;' + + 'font-size: large;' + + 'border-radius: 8px;' + + 'opacity: 0.75;' + + 'padding: 0.2em 0.5em 0.2em 0.5em;' + + 'top: 0.5em;' + + 'right: 1.2em;' + + 'position: absolute;' + + '-webkit-text-size-adjust: none;' + + '-webkit-user-select: none;' + + '-moz-text-size-adjust: none;' + + '-moz-user-select: none;'); + } + + this.zoomWarningNode_.textContent = lib.MessageManager.replaceReferences( + hterm.zoomWarningMessage, + [parseInt(this.scrollPort_.characterSize.zoomFactor * 100)]); + + this.zoomWarningNode_.style.fontFamily = this.prefs_.get('font-family'); + + if (state) { + if (!this.zoomWarningNode_.parentNode) + this.div_.parentNode.appendChild(this.zoomWarningNode_); + } else if (this.zoomWarningNode_.parentNode) { + this.zoomWarningNode_.parentNode.removeChild(this.zoomWarningNode_); + } +}; + +/** + * Show the terminal overlay for a given amount of time. + * + * The terminal overlay appears in inverse video in a large font, centered + * over the terminal. You should probably keep the overlay message brief, + * since it's in a large font and you probably aren't going to check the size + * of the terminal first. + * + * @param {string} msg The text (not HTML) message to display in the overlay. + * @param {number} opt_timeout The amount of time to wait before fading out + * the overlay. Defaults to 1.5 seconds. Pass null to have the overlay + * stay up forever (or until the next overlay). + */ +hterm.Terminal.prototype.showOverlay = function(msg, opt_timeout) { + if (!this.overlayNode_) { + if (!this.div_) + return; + + this.overlayNode_ = this.document_.createElement('div'); + this.overlayNode_.style.cssText = ( + 'border-radius: 15px;' + + 'font-size: xx-large;' + + 'opacity: 0.75;' + + 'padding: 0.2em 0.5em 0.2em 0.5em;' + + 'position: absolute;' + + '-webkit-user-select: none;' + + '-webkit-transition: opacity 180ms ease-in;' + + '-moz-user-select: none;' + + '-moz-transition: opacity 180ms ease-in;'); + + this.overlayNode_.addEventListener('mousedown', function(e) { + e.preventDefault(); + e.stopPropagation(); + }, true); + } + + this.overlayNode_.style.color = this.prefs_.get('background-color'); + this.overlayNode_.style.backgroundColor = this.prefs_.get('foreground-color'); + this.overlayNode_.style.fontFamily = this.prefs_.get('font-family'); + + this.overlayNode_.textContent = msg; + this.overlayNode_.style.opacity = '0.75'; + + if (!this.overlayNode_.parentNode) + this.div_.appendChild(this.overlayNode_); + + var divSize = hterm.getClientSize(this.div_); + var overlaySize = hterm.getClientSize(this.overlayNode_); + + this.overlayNode_.style.top = + (divSize.height - overlaySize.height) / 2 + 'px'; + this.overlayNode_.style.left = (divSize.width - overlaySize.width - + this.scrollPort_.currentScrollbarWidthPx) / 2 + 'px'; + + var self = this; + + if (this.overlayTimeout_) + clearTimeout(this.overlayTimeout_); + + if (opt_timeout === null) + return; + + this.overlayTimeout_ = setTimeout(function() { + self.overlayNode_.style.opacity = '0'; + self.overlayTimeout_ = setTimeout(function() { + if (self.overlayNode_.parentNode) + self.overlayNode_.parentNode.removeChild(self.overlayNode_); + self.overlayTimeout_ = null; + self.overlayNode_.style.opacity = '0.75'; + }, 200); + }, opt_timeout || 1500); +}; + +/** + * Paste from the system clipboard to the terminal. + */ +hterm.Terminal.prototype.paste = function() { + hterm.pasteFromClipboard(this.document_); +}; + +/** + * Copy a string to the system clipboard. + * + * Note: If there is a selected range in the terminal, it'll be cleared. + */ +hterm.Terminal.prototype.copyStringToClipboard = function(str) { + if (this.prefs_.get('enable-clipboard-notice')) + setTimeout(this.showOverlay.bind(this, hterm.notifyCopyMessage, 500), 200); + + var copySource = this.document_.createElement('pre'); + copySource.textContent = str; + copySource.style.cssText = ( + '-webkit-user-select: text;' + + '-moz-user-select: text;' + + 'position: absolute;' + + 'top: -99px'); + + this.document_.body.appendChild(copySource); + + var selection = this.document_.getSelection(); + var anchorNode = selection.anchorNode; + var anchorOffset = selection.anchorOffset; + var focusNode = selection.focusNode; + var focusOffset = selection.focusOffset; + + selection.selectAllChildren(copySource); + + hterm.copySelectionToClipboard(this.document_); + + // IE doesn't support selection.extend. This means that the selection + // won't return on IE. + if (selection.extend) { + selection.collapse(anchorNode, anchorOffset); + selection.extend(focusNode, focusOffset); + } + + copySource.parentNode.removeChild(copySource); +}; + +hterm.Terminal.prototype.getSelectionText = function() { + var selection = this.scrollPort_.selection; + selection.sync(); + + if (selection.isCollapsed) + return null; + + + // Start offset measures from the beginning of the line. + var startOffset = selection.startOffset; + var node = selection.startNode; + + if (node.nodeName != 'X-ROW') { + // If the selection doesn't start on an x-row node, then it must be + // somewhere inside the x-row. Add any characters from previous siblings + // into the start offset. + + if (node.nodeName == '#text' && node.parentNode.nodeName == 'SPAN') { + // If node is the text node in a styled span, move up to the span node. + node = node.parentNode; + } + + while (node.previousSibling) { + node = node.previousSibling; + startOffset += hterm.TextAttributes.nodeWidth(node); + } + } + + // End offset measures from the end of the line. + var endOffset = (hterm.TextAttributes.nodeWidth(selection.endNode) - + selection.endOffset); + var node = selection.endNode; + + if (node.nodeName != 'X-ROW') { + // If the selection doesn't end on an x-row node, then it must be + // somewhere inside the x-row. Add any characters from following siblings + // into the end offset. + + if (node.nodeName == '#text' && node.parentNode.nodeName == 'SPAN') { + // If node is the text node in a styled span, move up to the span node. + node = node.parentNode; + } + + while (node.nextSibling) { + node = node.nextSibling; + endOffset += hterm.TextAttributes.nodeWidth(node); + } + } + + var rv = this.getRowsText(selection.startRow.rowIndex, + selection.endRow.rowIndex + 1); + return lib.wc.substring(rv, startOffset, lib.wc.strWidth(rv) - endOffset); +}; + +/** + * Copy the current selection to the system clipboard, then clear it after a + * short delay. + */ +hterm.Terminal.prototype.copySelectionToClipboard = function() { + var text = this.getSelectionText(); + if (text != null) + this.copyStringToClipboard(text); +}; + +hterm.Terminal.prototype.overlaySize = function() { + this.showOverlay(this.screenSize.width + 'x' + this.screenSize.height); +}; + +/** + * Invoked by hterm.Terminal.Keyboard when a VT keystroke is detected. + * + * @param {string} string The VT string representing the keystroke, in UTF-16. + */ +hterm.Terminal.prototype.onVTKeystroke = function(string) { + if (this.scrollOnKeystroke_) + this.scrollPort_.scrollRowToBottom(this.getRowCount()); + + this.io.onVTKeystroke(this.keyboard.encode(string)); +}; + +/** + * Add the terminalRow and terminalColumn properties to mouse events and + * then forward on to onMouse(). + * + * The terminalRow and terminalColumn properties contain the (row, column) + * coordinates for the mouse event. + */ +hterm.Terminal.prototype.onMouse_ = function(e) { + if (e.processedByTerminalHandler_) { + // We register our event handlers on the document, as well as the cursor + // and the scroll blocker. Mouse events that occur on the cursor or + // scroll blocker will also appear on the document, but we don't want to + // process them twice. + // + // We can't just prevent bubbling because that has other side effects, so + // we decorate the event object with this property instead. + return; + } + + e.processedByTerminalHandler_ = true; + + // One based row/column stored on the mouse event. + e.terminalRow = parseInt((e.clientY - this.scrollPort_.visibleRowTopMargin) / + this.scrollPort_.characterSize.height) + 1; + e.terminalColumn = parseInt(e.clientX / + this.scrollPort_.characterSize.width) + 1; + + if (e.type == 'mousedown' && e.terminalColumn > this.screenSize.width) { + // Mousedown in the scrollbar area. + return; + } + + if (this.options_.cursorVisible && + this.vt.mouseReport == this.vt.MOUSE_REPORT_DISABLED) { + // If the cursor is visible and we're not sending mouse events to the + // host app, then we want to hide the terminal cursor when the mouse + // cursor is over top. This keeps the terminal cursor from interfering + // with local text selection. + if (e.terminalRow - 1 == this.screen_.cursorPosition.row && + e.terminalColumn - 1 == this.screen_.cursorPosition.column) { + this.cursorNode_.style.display = 'none'; + } else if (this.cursorNode_.style.display == 'none') { + this.cursorNode_.style.display = ''; + } + } + + if (e.type == 'mousedown') { + if (e.altKey || this.vt.mouseReport == this.vt.MOUSE_REPORT_DISABLED) { + // If VT mouse reporting is disabled, or has been defeated with + // alt-mousedown, then the mouse will act on the local selection. + this.reportMouseEvents_ = false; + this.setSelectionEnabled(true); + } else { + // Otherwise we defer ownership of the mouse to the VT. + this.reportMouseEvents_ = true; + this.document_.getSelection().collapseToEnd(); + this.setSelectionEnabled(false); + e.preventDefault(); + } + } + + if (!this.reportMouseEvents_) { + if (e.type == 'dblclick') { + this.screen_.expandSelection(this.document_.getSelection()); + hterm.copySelectionToClipboard(this.document_); + } + + if (e.type == 'mousedown' && e.which == this.mousePasteButton) + this.paste(); + + if (e.type == 'mouseup' && e.which == 1 && this.copyOnSelect && + !this.document_.getSelection().isCollapsed) { + hterm.copySelectionToClipboard(this.document_); + } + + if ((e.type == 'mousemove' || e.type == 'mouseup') && + this.scrollBlockerNode_.engaged) { + // Disengage the scroll-blocker after one of these events. + this.scrollBlockerNode_.engaged = false; + this.scrollBlockerNode_.style.top = '-99px'; + } + + } else /* if (this.reportMouseEvents) */ { + if (!this.scrollBlockerNode_.engaged) { + if (e.type == 'mousedown') { + // Move the scroll-blocker into place if we want to keep the scrollport + // from scrolling. + this.scrollBlockerNode_.engaged = true; + this.scrollBlockerNode_.style.top = (e.clientY - 5) + 'px'; + this.scrollBlockerNode_.style.left = (e.clientX - 5) + 'px'; + } else if (e.type == 'mousemove') { + // Oh. This means that drag-scroll was disabled AFTER the mouse down, + // in which case it's too late to engage the scroll-blocker. + this.document_.getSelection().collapseToEnd(); + e.preventDefault(); + } + } + + this.onMouse(e); + } + + if (e.type == 'mouseup' && this.document_.getSelection().isCollapsed) { + // Restore this on mouseup in case it was temporarily defeated with a + // alt-mousedown. Only do this when the selection is empty so that + // we don't immediately kill the users selection. + this.reportMouseEvents_ = (this.vt.mouseReport != + this.vt.MOUSE_REPORT_DISABLED); + } +}; + +/** + * Clients should override this if they care to know about mouse events. + * + * The event parameter will be a normal DOM mouse click event with additional + * 'terminalRow' and 'terminalColumn' properties. + */ +hterm.Terminal.prototype.onMouse = function(e) { }; + +/** + * React when focus changes. + */ +hterm.Terminal.prototype.onFocusChange_ = function(focused) { + this.cursorNode_.setAttribute('focus', focused); + this.restyleCursor_(); + if (focused === true) + this.closeBellNotifications_(); +}; + +/** + * React when the ScrollPort is scrolled. + */ +hterm.Terminal.prototype.onScroll_ = function() { + this.scheduleSyncCursorPosition_(); +}; + +/** + * React when text is pasted into the scrollPort. + */ +hterm.Terminal.prototype.onPaste_ = function(e) { + var data = e.text.replace(/\n/mg, '\r'); + data = this.keyboard.encode(data); + if (this.options_.bracketedPaste) + data = '\x1b[200~' + data + '\x1b[201~'; + + this.io.sendString(data); +}; + +/** + * React when the user tries to copy from the scrollPort. + */ +hterm.Terminal.prototype.onCopy_ = function(e) { + if (!this.useDefaultWindowCopy) { + e.preventDefault(); + setTimeout(this.copySelectionToClipboard.bind(this), 0); + } +}; + +/** + * React when the ScrollPort is resized. + * + * Note: This function should not directly contain code that alters the internal + * state of the terminal. That kind of code belongs in realizeWidth or + * realizeHeight, so that it can be executed synchronously in the case of a + * programmatic width change. + */ +hterm.Terminal.prototype.onResize_ = function() { + var columnCount = Math.floor(this.scrollPort_.getScreenWidth() / + this.scrollPort_.characterSize.width); + var rowCount = lib.f.smartFloorDivide(this.scrollPort_.getScreenHeight(), + this.scrollPort_.characterSize.height); + + if (columnCount <= 0 || rowCount <= 0) { + // We avoid these situations since they happen sometimes when the terminal + // gets removed from the document or during the initial load, and we can't + // deal with that. + return; + } + + var isNewSize = (columnCount != this.screenSize.width || + rowCount != this.screenSize.height); + + // We do this even if the size didn't change, just to be sure everything is + // in sync. + this.realizeSize_(columnCount, rowCount); + this.showZoomWarning_(this.scrollPort_.characterSize.zoomFactor != 1); + + if (isNewSize) + this.overlaySize(); + + this.restyleCursor_(); + this.scheduleSyncCursorPosition_(); +}; + +/** + * Service the cursor blink timeout. + */ +hterm.Terminal.prototype.onCursorBlink_ = function() { + if (!this.options_.cursorBlink) { + delete this.timeouts_.cursorBlink; + return; + } + + if (this.cursorNode_.getAttribute('focus') == 'false' || + this.cursorNode_.style.opacity == '0') { + this.cursorNode_.style.opacity = '1'; + this.timeouts_.cursorBlink = setTimeout(this.myOnCursorBlink_, + this.cursorBlinkCycle_[0]); + } else { + this.cursorNode_.style.opacity = '0'; + this.timeouts_.cursorBlink = setTimeout(this.myOnCursorBlink_, + this.cursorBlinkCycle_[1]); + } +}; + +/** + * Set the scrollbar-visible mode bit. + * + * If scrollbar-visible is on, the vertical scrollbar will be visible. + * Otherwise it will not. + * + * Defaults to on. + * + * @param {boolean} state True to set scrollbar-visible mode, false to unset. + */ +hterm.Terminal.prototype.setScrollbarVisible = function(state) { + this.scrollPort_.setScrollbarVisible(state); +}; + +/** + * Set the scroll wheel move multiplier. This will affect how fast the page + * scrolls on mousewheel events. + * + * Defaults to 1. + * + * @param {number} multiplier. + */ +hterm.Terminal.prototype.setScrollWheelMoveMultipler = function(multiplier) { + this.scrollPort_.setScrollWheelMoveMultipler(multiplier); +}; + +/** + * Close all web notifications created by terminal bells. + */ +hterm.Terminal.prototype.closeBellNotifications_ = function() { + this.bellNotificationList_.forEach(function(n) { + n.close(); + }); + this.bellNotificationList_.length = 0; +}; +// SOURCE FILE: hterm/js/hterm_terminal_io.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.encodeUTF8'); + +/** + * Input/Output interface used by commands to communicate with the terminal. + * + * Commands like `nassh` and `crosh` receive an instance of this class as + * part of their argv object. This allows them to write to and read from the + * terminal without exposing them to an entire hterm.Terminal instance. + * + * The active command must override the onVTKeystroke() and sendString() methods + * of this class in order to receive keystrokes and send output to the correct + * destination. + * + * Isolating commands from the terminal provides the following benefits: + * - Provides a mechanism to save and restore onVTKeystroke and sendString + * handlers when invoking subcommands (see the push() and pop() methods). + * - The isolation makes it easier to make changes in Terminal and supporting + * classes without affecting commands. + * - In The Future commands may run in web workers where they would only be able + * to talk to a Terminal instance through an IPC mechanism. + * + * @param {hterm.Terminal} + */ +hterm.Terminal.IO = function(terminal) { + this.terminal_ = terminal; + + // The IO object to restore on IO.pop(). + this.previousIO_ = null; +}; + +/** + * Show the terminal overlay for a given amount of time. + * + * The terminal overlay appears in inverse video in a large font, centered + * over the terminal. You should probably keep the overlay message brief, + * since it's in a large font and you probably aren't going to check the size + * of the terminal first. + * + * @param {string} msg The text (not HTML) message to display in the overlay. + * @param {number} opt_timeout The amount of time to wait before fading out + * the overlay. Defaults to 1.5 seconds. Pass null to have the overlay + * stay up forever (or until the next overlay). + */ +hterm.Terminal.IO.prototype.showOverlay = function(message, opt_timeout) { + this.terminal_.showOverlay(message, opt_timeout); +}; + +/** + * Open an frame in the current terminal window, pointed to the specified + * url. + * + * Eventually we'll probably need size/position/decoration options. + * The user should also be able to move/resize the frame. + * + * @param {string} url The URL to load in the frame. + * @param {Object} opt_options Optional frame options. Not implemented. + */ +hterm.Terminal.IO.prototype.createFrame = function(url, opt_options) { + return new hterm.Frame(this.terminal_, url, opt_options); +}; + +/** + * Change the preference profile for the terminal. + * + * @param profileName {string} The name of the preference profile to activate. + */ +hterm.Terminal.IO.prototype.setTerminalProfile = function(profileName) { + this.terminal_.setProfile(profileName); +}; + +/** + * Create a new hterm.Terminal.IO instance and make it active on the Terminal + * object associated with this instance. + * + * This is used to pass control of the terminal IO off to a subcommand. The + * IO.pop() method can be used to restore control when the subcommand completes. + */ +hterm.Terminal.IO.prototype.push = function() { + var io = new hterm.Terminal.IO(this.terminal_); + io.keyboardCaptured_ = this.keyboardCaptured_; + + io.columnCount = this.columnCount; + io.rowCount = this.rowCount; + + io.previousIO_ = this.terminal_.io; + this.terminal_.io = io; + + return io; +}; + +/** + * Restore the Terminal's previous IO object. + */ +hterm.Terminal.IO.prototype.pop = function() { + this.terminal_.io = this.previousIO_; +}; + +/** + * Called when data needs to be sent to the current command. + * + * Clients should override this to receive notification of pending data. + * + * @param {string} string The data to send. + */ +hterm.Terminal.IO.prototype.sendString = function(string) { + // Override this. + console.log('Unhandled sendString: ' + string); +}; + +/** + * Called when a terminal keystroke is detected. + * + * Clients should override this to receive notification of keystrokes. + * + * The keystroke data will be encoded according to the 'send-encoding' + * preference. + * + * @param {string} string The VT key sequence. + */ +hterm.Terminal.IO.prototype.onVTKeystroke = function(string) { + // Override this. + console.log('Unobserverd VT keystroke: ' + JSON.stringify(string)); +}; + +hterm.Terminal.IO.prototype.onTerminalResize_ = function(width, height) { + var obj = this; + while (obj) { + obj.columnCount = width; + obj.rowCount = height; + obj = obj.previousIO_; + } + + this.onTerminalResize(width, height); +}; + +/** + * Called when terminal size is changed. + * + * Clients should override this to receive notification of resize. + * + * @param {string|integer} terminal width. + * @param {string|integer} terminal height. + */ +hterm.Terminal.IO.prototype.onTerminalResize = function(width, height) { + // Override this. +}; + +/** + * Write a UTF-8 encoded byte string to the terminal. + * + * @param {string} string The UTF-8 encoded string to print. + */ +hterm.Terminal.IO.prototype.writeUTF8 = function(string) { + if (this.terminal_.io != this) + throw 'Attempt to print from inactive IO object.'; + + this.terminal_.interpret(string); +}; + +/** + * Write a UTF-8 encoded byte string to the terminal followed by crlf. + * + * @param {string} string The UTF-8 encoded string to print. + */ +hterm.Terminal.IO.prototype.writelnUTF8 = function(string) { + if (this.terminal_.io != this) + throw 'Attempt to print from inactive IO object.'; + + this.terminal_.interpret(string + '\r\n'); +}; + +/** + * Write a UTF-16 JavaScript string to the terminal. + * + * @param {string} string The string to print. + */ +hterm.Terminal.IO.prototype.print = +hterm.Terminal.IO.prototype.writeUTF16 = function(string) { + this.writeUTF8(lib.encodeUTF8(string)); +}; + +/** + * Print a UTF-16 JavaScript string to the terminal followed by a newline. + * + * @param {string} string The string to print. + */ +hterm.Terminal.IO.prototype.println = +hterm.Terminal.IO.prototype.writelnUTF16 = function(string) { + this.writelnUTF8(lib.encodeUTF8(string)); +}; +// SOURCE FILE: hterm/js/hterm_text_attributes.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.colors'); + +/** + * Constructor for TextAttribute objects. + * + * These objects manage a set of text attributes such as foreground/ + * background color, bold, faint, italic, blink, underline, and strikethrough. + * + * TextAttribute instances can be used to construct a DOM container implementing + * the current attributes, or to test an existing DOM container for + * compatibility with the current attributes. + * + * @constructor + * @param {HTMLDocument} document The parent document to use when creating + * new DOM containers. + */ +hterm.TextAttributes = function(document) { + this.document_ = document; + // These variables contain the source of the color as either: + // SRC_DEFAULT (use context default) + // SRC_RGB (specified in 'rgb( r, g, b)' form) + // number (representing the index from color palette to use) + this.foregroundSource = this.SRC_DEFAULT; + this.backgroundSource = this.SRC_DEFAULT; + + // These properties cache the value in the color table, but foregroundSource + // and backgroundSource contain the canonical values. + this.foreground = this.DEFAULT_COLOR; + this.background = this.DEFAULT_COLOR; + + this.defaultForeground = 'rgb(255, 255, 255)'; + this.defaultBackground = 'rgb(0, 0, 0)'; + + this.bold = false; + this.faint = false; + this.italic = false; + this.blink = false; + this.underline = false; + this.strikethrough = false; + this.inverse = false; + this.invisible = false; + this.wcNode = false; + this.tileData = null; + + this.colorPalette = null; + this.resetColorPalette(); +}; + +/** + * If false, we ignore the bold attribute. + * + * This is used for fonts that have a bold version that is a different size + * than the normal weight version. + */ +hterm.TextAttributes.prototype.enableBold = true; + +/** + * If true, use bright colors (if available) for bold text. + * + * This setting is independent of the enableBold setting. + */ +hterm.TextAttributes.prototype.enableBoldAsBright = true; + +/** + * A sentinel constant meaning "whatever the default color is in this context". + */ +hterm.TextAttributes.prototype.DEFAULT_COLOR = new String(''); + +/** + * A constant string used to specify that source color is context default. + */ +hterm.TextAttributes.prototype.SRC_DEFAULT = 'default'; + + +/** + * A constant string used to specify that the source of a color is a valid + * rgb( r, g, b) specifier. + */ +hterm.TextAttributes.prototype.SRC_RGB = 'rgb'; + +/** + * The document object which should own the DOM nodes created by this instance. + * + * @param {HTMLDocument} document The parent document. + */ +hterm.TextAttributes.prototype.setDocument = function(document) { + this.document_ = document; +}; + +/** + * Create a deep copy of this object. + * + * @return {hterm.TextAttributes} A deep copy of this object. + */ +hterm.TextAttributes.prototype.clone = function() { + var rv = new hterm.TextAttributes(null); + + for (var key in this) { + rv[key] = this[key]; + } + + rv.colorPalette = this.colorPalette.concat(); + return rv; +}; + +/** + * Reset the current set of attributes. + * + * This does not affect the palette. Use resetColorPalette() for that. + * It also doesn't affect the tile data, it's not meant to. + */ +hterm.TextAttributes.prototype.reset = function() { + this.foregroundSource = this.SRC_DEFAULT; + this.backgroundSource = this.SRC_DEFAULT; + this.foreground = this.DEFAULT_COLOR; + this.background = this.DEFAULT_COLOR; + this.bold = false; + this.faint = false; + this.italic = false; + this.blink = false; + this.underline = false; + this.strikethrough = false; + this.inverse = false; + this.invisible = false; + this.wcNode = false; +}; + +/** + * Reset the color palette to the default state. + */ +hterm.TextAttributes.prototype.resetColorPalette = function() { + this.colorPalette = lib.colors.colorPalette.concat(); + this.syncColors(); +}; + +/** + * Test if the current attributes describe unstyled text. + * + * @return {boolean} True if the current attributes describe unstyled text. + */ +hterm.TextAttributes.prototype.isDefault = function() { + return (this.foregroundSource == this.SRC_DEFAULT && + this.backgroundSource == this.SRC_DEFAULT && + !this.bold && + !this.faint && + !this.italic && + !this.blink && + !this.underline && + !this.strikethrough && + !this.inverse && + !this.invisible && + !this.wcNode && + this.tileData == null); +}; + +/** + * Create a DOM container (a span or a text node) with a style to match the + * current set of attributes. + * + * This method will create a plain text node if the text is unstyled, or + * an HTML span if the text is styled. Due to lack of monospace wide character + * fonts on certain systems (e.g. Chrome OS), we need to put each wide character + * in a span of CSS class '.wc-node' which has double column width. + * Each vt_tiledata tile is also represented by a span with a single + * character, with CSS classes '.tile' and '.tile_'. + * + * @param {string} opt_textContent Optional text content for the new container. + * @return {HTMLNode} An HTML span or text nodes styled to match the current + * attributes. + */ +hterm.TextAttributes.prototype.createContainer = function(opt_textContent) { + //if (this.isDefault()) + // return this.document_.createTextNode(opt_textContent); + + var span = this.document_.createElement('span'); + var style = span.style; + + if (this.foreground != this.DEFAULT_COLOR) { + style.color = this.foreground; + } else { + style.color = this.defaultForeground; + } + + if (this.background != this.DEFAULT_COLOR) + style.backgroundColor = this.background; + + if (this.enableBold && this.bold) + style.fontWeight = 'bold'; + + if (this.faint) + span.faint = true; + + if (this.italic) + style.fontStyle = 'italic'; + + if (this.blink) + style.fontStyle = 'italic'; + + var textDecoration = ''; + if (this.underline) { + textDecoration += ' underline'; + span.underline = true; + } + if (this.strikethrough) { + textDecoration += ' line-through'; + span.strikethrough = true; + } + if (textDecoration) { + style.textDecoration = textDecoration; + } + + if (this.wcNode) { + span.className = 'wc-node'; + span.wcNode = true; + } + + if (this.tileData != null) { + // This could be a wcNode too, so we add to the className here. + span.className += ' tile tile_' + this.tileData; + span.tileNode = true; + } + + if (opt_textContent) + span.textContent = opt_textContent; + + return span; +}; + +/** + * Tests if the provided object (string, span or text node) has the same + * style as this TextAttributes instance. + * + * This indicates that text with these attributes could be inserted directly + * into the target DOM node. + * + * For the purposes of this method, a string is considered a text node. + * + * @param {string|HTMLNode} obj The object to test. + * @return {boolean} True if the provided container has the same style as + * this attributes instance. + */ +hterm.TextAttributes.prototype.matchesContainer = function(obj) { + return false; + if (typeof obj == 'string' || obj.nodeType == 3) + return this.isDefault(); + + var style = obj.style; + + // We don't want to put multiple characters in a wcNode or a tile. + // See the comments in createContainer. + return (!(this.wcNode || obj.wcNode) && + !(this.tileData != null || obj.tileNode) && + this.foreground == style.color && + this.background == style.backgroundColor && + (this.enableBold && this.bold) == !!style.fontWeight && + (this.blink || this.italic) == !!style.fontStyle && + !!this.underline == !!obj.underline && + !!this.strikethrough == !!obj.strikethrough); +}; + +hterm.TextAttributes.prototype.setDefaults = function(foreground, background) { + this.defaultForeground = foreground; + this.defaultBackground = background; + + this.syncColors(); +}; + +/** + * Updates foreground and background properties based on current indices and + * other state. + * + * @param {string} terminalForeground The terminal foreground color for use as + * inverse text background. + * @param {string} terminalBackground The terminal background color for use as + * inverse text foreground. + * + */ +hterm.TextAttributes.prototype.syncColors = function() { + function getBrightIndex(i) { + if (i < 8) { + // If the color is from the lower half of the ANSI 16, add 8. + return i + 8; + } + + // If it's not from the 16 color palette, ignore bold requests. This + // matches the behavior of gnome-terminal. + return i; + } + + var foregroundSource = this.foregroundSource; + var backgroundSource = this.backgroundSource; + var defaultForeground = this.DEFAULT_COLOR; + var defaultBackground = this.DEFAULT_COLOR; + + if (this.inverse) { + foregroundSource = this.backgroundSource; + backgroundSource = this.foregroundSource; + // We can't inherit the container's color anymore. + defaultForeground = this.defaultBackground; + defaultBackground = this.defaultForeground; + } + + if (this.enableBoldAsBright && this.bold) { + if (foregroundSource != this.SRC_DEFAULT && + foregroundSource != this.SRC_RGB) { + foregroundSource = getBrightIndex(foregroundSource); + } + } + + if (this.invisible) { + foregroundSource = backgroundSource; + defaultForeground = this.defaultBackground; + } + + // Set fore/background colors unless already specified in rgb(r, g, b) form. + if (foregroundSource != this.SRC_RGB) { + this.foreground = ((foregroundSource == this.SRC_DEFAULT) ? + defaultForeground : this.colorPalette[foregroundSource]); + } + + if (this.faint && !this.invisible) { + var colorToMakeFaint = ((this.foreground == this.DEFAULT_COLOR) ? + this.defaultForeground : this.foreground); + this.foreground = lib.colors.mix(colorToMakeFaint, 'rgb(0, 0, 0)', 0.3333); + } + + if (backgroundSource != this.SRC_RGB) { + this.background = ((backgroundSource == this.SRC_DEFAULT) ? + defaultBackground : this.colorPalette[backgroundSource]); + } +}; + +/** + * Static method used to test if the provided objects (strings, spans or + * text nodes) have the same style. + * + * For the purposes of this method, a string is considered a text node. + * + * @param {string|HTMLNode} obj1 An object to test. + * @param {string|HTMLNode} obj2 Another object to test. + * @return {boolean} True if the containers have the same style. + */ +hterm.TextAttributes.containersMatch = function(obj1, obj2) { + if (typeof obj1 == 'string') + return hterm.TextAttributes.containerIsDefault(obj2); + + if (obj1.nodeType != obj2.nodeType) + return false; + + if (obj1.nodeType == 3) + return true; + + var style1 = obj1.style; + var style2 = obj2.style; + + return (style1.color == style2.color && + style1.backgroundColor == style2.backgroundColor && + style1.fontWeight == style2.fontWeight && + style1.fontStyle == style2.fontStyle && + style1.textDecoration == style2.textDecoration); +}; + +/** + * Static method to test if a given DOM container represents unstyled text. + * + * For the purposes of this method, a string is considered a text node. + * + * @param {string|HTMLNode} obj1 An object to test. + * @return {boolean} True if the object is unstyled. + */ +hterm.TextAttributes.containerIsDefault = function(obj) { + return typeof obj == 'string' || obj.nodeType == 3; +}; + +/** + * Static method to get the column width of a node's textContent. + * + * @param {HTMLElement} node The HTML element to get the width of textContent + * from. + * @return {integer} The column width of the node's textContent. + */ +hterm.TextAttributes.nodeWidth = function(node) { + if (node.wcNode) { + return lib.wc.strWidth(node.textContent); + } else { + return node.textContent.length; + } +} + +/** + * Static method to get the substr of a node's textContent. The start index + * and substr width are computed in column width. + * + * @param {HTMLElement} node The HTML element to get the substr of textContent + * from. + * @param {integer} start The starting offset in column width. + * @param {integer} width The width to capture in column width. + * @return {integer} The extracted substr of the node's textContent. + */ +hterm.TextAttributes.nodeSubstr = function(node, start, width) { + if (node.wcNode) { + return lib.wc.substr(node.textContent, start, width); + } else { + return node.textContent.substr(start, width); + } +} + +/** + * Static method to get the substring based of a node's textContent. The + * start index of end index are computed in column width. + * + * @param {HTMLElement} node The HTML element to get the substr of textContent + * from. + * @param {integer} start The starting offset in column width. + * @param {integer} end The ending offset in column width. + * @return {integer} The extracted substring of the node's textContent. + */ +hterm.TextAttributes.nodeSubstring = function(node, start, end) { + if (node.wcNode) { + return lib.wc.substring(node.textContent, start, end); + } else { + return node.textContent.substring(start, end); + } +} + +/** + * Static method to split a string into contiguous runs of single-width + * characters and runs of double-width characters. + * + * @param {string} str The string to split. + * @return {Array} An array of objects that contain substrings of str, where + * each substring is either a contiguous runs of single-width characters + * or a double-width character. For object that contains a double-width + * character, its wcNode property is set to true. + */ +hterm.TextAttributes.splitWidecharString = function(str) { + var rv = []; + var base = 0, length = 0; + + for (var i = 0; i < str.length; i++) { + var c = str.charCodeAt(i); + if (c < 128 || lib.wc.charWidth(c) == 1) { + length++; + } else { + if (length) { + rv.push({str: str.substr(base, length)}); + } + rv.push({str: str.substr(i, 1), wcNode: true}); + base = i + 1; + length = 0; + } + } + + if (length) + rv.push({str: str.substr(base, length)}); + + return rv; +} +// SOURCE FILE: hterm/js/hterm_vt.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.colors', 'lib.f', 'lib.UTF8Decoder', + 'hterm.VT.CharacterMap'); + +/** + * Constructor for the VT escape sequence interpreter. + * + * The interpreter operates on a terminal object capable of performing cursor + * move operations, painting characters, etc. + * + * This interpreter is intended to be compatible with xterm, though it + * ignores some of the more esoteric escape sequences. + * + * Some sequences are marked "Will not implement", meaning that they aren't + * considered relevant to hterm and will probably never be implemented. + * + * Others are marked "Not currently implemented", meaning that they are lower + * priority items that may be useful to implement at some point. + * + * See also: + * [VT100] VT100 User Guide + * http://vt100.net/docs/vt100-ug/chapter3.html + * [VT510] VT510 Video Terminal Programmer Information + * http://vt100.net/docs/vt510-rm/contents + * [XTERM] Xterm Control Sequences + * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html + * [CTRL] Wikipedia: C0 and C1 Control Codes + * http://en.wikipedia.org/wiki/C0_and_C1_control_codes + * [CSI] Wikipedia: ANSI Escape Code + * http://en.wikipedia.org/wiki/Control_Sequence_Introducer + * man 5 terminfo, man infocmp, infocmp -L xterm-new + * + * @param {hterm.Terminal} terminal Terminal to use with the interpreter. + */ +hterm.VT = function(terminal) { + /** + * The display terminal object associated with this virtual terminal. + */ + this.terminal = terminal; + + terminal.onMouse = this.onTerminalMouse_.bind(this); + this.mouseReport = this.MOUSE_REPORT_DISABLED; + + // Parse state left over from the last parse. You should use the parseState + // instance passed into your parse routine, rather than reading + // this.parseState_ directly. + this.parseState_ = new hterm.VT.ParseState(this.parseUnknown_); + + // Any "leading modifiers" for the escape sequence, such as '?', ' ', or the + // other modifiers handled in this.parseCSI_. + this.leadingModifier_ = ''; + + // Any "trailing modifiers". Same character set as a leading modifier, + // except these are found after the numeric arguments. + this.trailingModifier_ = ''; + + // Whether or not to respect the escape codes for setting terminal width. + this.allowColumnWidthChanges_ = false; + + // The amount of time we're willing to wait for the end of an OSC sequence. + this.oscTimeLimit_ = 20000; + + // Construct a regular expression to match the known one-byte control chars. + // This is used in parseUnknown_ to quickly scan a string for the next + // control character. + var cc1 = Object.keys(hterm.VT.CC1).map( + function(e) { + return '\\x' + lib.f.zpad(e.charCodeAt().toString(16), 2) + }).join(''); + this.cc1Pattern_ = new RegExp('[' + cc1 + ']'); + + // Decoder to maintain UTF-8 decode state. + this.utf8Decoder_ = new lib.UTF8Decoder(); + + /** + * Whether to accept the 8-bit control characters. + * + * An 8-bit control character is one with the eighth bit set. These + * didn't work on 7-bit terminals so they all have two byte equivalents. + * Most hosts still only use the two-byte versions. + * + * We ignore 8-bit control codes by default. This is in order to avoid + * issues with "accidental" usage of codes that need to be terminated. + * The "accident" usually involves cat'ing binary data. + */ + this.enable8BitControl = false; + + /** + * Whether to allow the OSC 52 sequence to write to the system clipboard. + */ + this.enableClipboardWrite = true; + + /** + * Respect the host's attempt to change the cursor blink status using + * the DEC Private mode 12. + */ + this.enableDec12 = false; + + /** + * The expected encoding method for data received from the host. + */ + this.characterEncoding = 'utf-8'; + + /** + * Max length of an unterminated DCS, OSC, PM or APC sequence before we give + * up and ignore the code. + * + * These all end with a String Terminator (ST, '\x9c', ESC '\\') or + * (BEL, '\x07') character, hence the "string sequence" moniker. + */ + this.maxStringSequence = 1024; + + /** + * If true, emit warnings when we encounter a control character or escape + * sequence that we don't recognize or explicitly ignore. + */ + this.warnUnimplemented = true; + + /** + * The default G0...G3 character maps. + */ + this.G0 = hterm.VT.CharacterMap.maps['B']; + this.G1 = hterm.VT.CharacterMap.maps['0']; + this.G2 = hterm.VT.CharacterMap.maps['B']; + this.G3 = hterm.VT.CharacterMap.maps['B']; + + /** + * The 7-bit visible character set. + * + * This is a mapping from inbound data to display glyph. The GL set + * contains the 94 bytes from 0x21 to 0x7e. + * + * The default GL set is 'B', US ASCII. + */ + this.GL = 'G0'; + + /** + * The 8-bit visible character set. + * + * This is a mapping from inbound data to display glyph. The GR set + * contains the 94 bytes from 0xa1 to 0xfe. + */ + this.GR = 'G0'; + + // Saved state used in DECSC. + // + // This is a place to store a copy VT state, it is *not* the active state. + this.savedState_ = new hterm.VT.CursorState(this); +}; + +/** + * No mouse events. + */ +hterm.VT.prototype.MOUSE_REPORT_DISABLED = 0; + +/** + * DECSET mode 1000. + * + * Report mouse down/up events only. + */ +hterm.VT.prototype.MOUSE_REPORT_CLICK = 1; + +/** + * DECSET mode 1002. + * + * Report mouse down/up and movement while a button is down. + */ +hterm.VT.prototype.MOUSE_REPORT_DRAG = 3; + +/** + * ParseState constructor. + * + * This object tracks the current state of the parse. It has fields for the + * current buffer, position in the buffer, and the parse function. + * + * @param {function} defaultFunc The default parser function. + * @param {string} opt_buf Optional string to use as the current buffer. + */ +hterm.VT.ParseState = function(defaultFunction, opt_buf) { + this.defaultFunction = defaultFunction; + this.buf = opt_buf || null; + this.pos = 0; + this.func = defaultFunction; + this.args = []; +}; + +/** + * Reset the parser function, buffer, and position. + */ +hterm.VT.ParseState.prototype.reset = function(opt_buf) { + this.resetParseFunction(); + this.resetBuf(opt_buf || ''); + this.resetArguments(); +}; + +/** + * Reset the parser function only. + */ +hterm.VT.ParseState.prototype.resetParseFunction = function() { + this.func = this.defaultFunction; +}; + +/** + * Reset the buffer and position only. + * + * @param {string} buf Optional new value for buf, defaults to null. + */ +hterm.VT.ParseState.prototype.resetBuf = function(opt_buf) { + this.buf = (typeof opt_buf == 'string') ? opt_buf : null; + this.pos = 0; +}; + +/** + * Reset the arguments list only. + * + * @param {string} opt_arg_zero Optional initial value for args[0]. + */ +hterm.VT.ParseState.prototype.resetArguments = function(opt_arg_zero) { + this.args.length = 0; + if (typeof opt_arg_zero != 'undefined') + this.args[0] = opt_arg_zero; +}; + +/** + * Get an argument as an integer. + * + * @param {number} argnum The argument number to retreive. + */ +hterm.VT.ParseState.prototype.iarg = function(argnum, defaultValue) { + var str = this.args[argnum]; + if (str) { + var ret = parseInt(str, 10); + // An argument of zero is treated as the default value. + if (ret == 0) + ret = defaultValue; + return ret; + } + return defaultValue; +}; + +/** + * Advance the parse postion. + * + * @param {integer} count The number of bytes to advance. + */ +hterm.VT.ParseState.prototype.advance = function(count) { + this.pos += count; +}; + +/** + * Return the remaining portion of the buffer without affecting the parse + * position. + * + * @return {string} The remaining portion of the buffer. + */ +hterm.VT.ParseState.prototype.peekRemainingBuf = function() { + return this.buf.substr(this.pos); +}; + +/** + * Return the next single character in the buffer without affecting the parse + * position. + * + * @return {string} The next character in the buffer. + */ +hterm.VT.ParseState.prototype.peekChar = function() { + return this.buf.substr(this.pos, 1); +}; + +/** + * Return the next single character in the buffer and advance the parse + * position one byte. + * + * @return {string} The next character in the buffer. + */ +hterm.VT.ParseState.prototype.consumeChar = function() { + return this.buf.substr(this.pos++, 1); +}; + +/** + * Return true if the buffer is empty, or the position is past the end. + */ +hterm.VT.ParseState.prototype.isComplete = function() { + return this.buf == null || this.buf.length <= this.pos; +}; + +hterm.VT.CursorState = function(vt) { + this.vt_ = vt; + this.save(); +}; + +hterm.VT.CursorState.prototype.save = function() { + this.cursor = this.vt_.terminal.saveCursor(); + + this.textAttributes = this.vt_.terminal.getTextAttributes().clone(); + + this.GL = this.vt_.GL; + this.GR = this.vt_.GR; + + this.G0 = this.vt_.G0; + this.G1 = this.vt_.G1; + this.G2 = this.vt_.G2; + this.G3 = this.vt_.G3; +}; + +hterm.VT.CursorState.prototype.restore = function() { + this.vt_.terminal.restoreCursor(this.cursor); + + this.vt_.terminal.setTextAttributes(this.textAttributes.clone()); + + this.vt_.GL = this.GL; + this.vt_.GR = this.GR; + + this.vt_.G0 = this.G0; + this.vt_.G1 = this.G1; + this.vt_.G2 = this.G2; + this.vt_.G3 = this.G3; +}; + +hterm.VT.prototype.reset = function() { + this.G0 = hterm.VT.CharacterMap.maps['B']; + this.G1 = hterm.VT.CharacterMap.maps['0']; + this.G2 = hterm.VT.CharacterMap.maps['B']; + this.G3 = hterm.VT.CharacterMap.maps['B']; + + this.GL = 'G0'; + this.GR = 'G0'; + + this.savedState_ = new hterm.VT.CursorState(this); + + this.mouseReport = this.MOUSE_REPORT_DISABLED; +}; + +/** + * Handle terminal mouse events. + * + * See the "Mouse Tracking" section of [xterm]. + */ +hterm.VT.prototype.onTerminalMouse_ = function(e) { + if (this.mouseReport == this.MOUSE_REPORT_DISABLED) + return; + + // Temporary storage for our response. + var response; + + // Modifier key state. + var mod = 0; + if (e.shiftKey) + mod |= 4; + if (e.metaKey || (this.terminal.keyboard.altIsMeta && e.altKey)) + mod |= 8; + if (e.ctrlKey) + mod |= 16; + + // TODO(rginda): We should also support mode 1005 and/or 1006 to extend the + // coordinate space. Though, after poking around just a little, I wasn't + // able to get vi or emacs to use either of these modes. + var x = String.fromCharCode(lib.f.clamp(e.terminalColumn + 32, 32, 255)); + var y = String.fromCharCode(lib.f.clamp(e.terminalRow + 32, 32, 255)); + + switch (e.type) { + case 'mousewheel': + // Mouse wheel is treated as button 1 or 2 plus an additional 64. + b = ((e.wheelDeltaY > 0) ? 0 : 1) + 96; + b |= mod; + response = '\x1b[M' + String.fromCharCode(b) + x + y; + + // Keep the terminal from scrolling. + e.preventDefault(); + break; + + case 'mousedown': + // Buttons are encoded as button number plus 32. + var b = Math.min(e.which - 1, 2) + 32; + + // And mix in the modifier keys. + b |= mod; + + response = '\x1b[M' + String.fromCharCode(b) + x + y; + break; + + case 'mouseup': + // Mouse up has no indication of which button was released. + response = '\x1b[M\x23' + x + y; + break; + + case 'mousemove': + if (this.mouseReport == this.MOUSE_REPORT_DRAG && e.which) { + // Standard button bits. + b = 32 + Math.min(e.which - 1, 2); + + // Add 32 to indicate mouse motion. + b += 32; + + // And mix in the modifier keys. + b |= mod; + + response = '\x1b[M' + String.fromCharCode(b) + x + y; + } + + break; + + case 'click': + case 'dblclick': + break; + + default: + console.error('Unknown mouse event: ' + e.type, e); + break; + } + + if (response) + this.terminal.io.sendString(response); +}; + +/** + * Interpret a string of characters, displaying the results on the associated + * terminal object. + * + * The buffer will be decoded according to the 'receive-encoding' preference. + */ +hterm.VT.prototype.interpret = function(buf) { + this.parseState_.resetBuf(this.decode(buf)); + + while (!this.parseState_.isComplete()) { + var func = this.parseState_.func; + var pos = this.parseState_.pos; + var buf = this.parseState_.buf; + + this.parseState_.func.call(this, this.parseState_); + + if (this.parseState_.func == func && this.parseState_.pos == pos && + this.parseState_.buf == buf) { + throw 'Parser did not alter the state!'; + } + } +}; + +/** + * Decode a string according to the 'receive-encoding' preference. + */ +hterm.VT.prototype.decode = function(str) { + if (this.characterEncoding == 'utf-8') + return this.decodeUTF8(str); + + return str; +}; + +/** + * Encode a UTF-16 string as UTF-8. + * + * See also: http://en.wikipedia.org/wiki/UTF-16 + */ +hterm.VT.prototype.encodeUTF8 = function(str) { + return lib.encodeUTF8(str); +}; + +/** + * Decode a UTF-8 string into UTF-16. + */ +hterm.VT.prototype.decodeUTF8 = function(str) { + return this.utf8Decoder_.decode(str); +}; + +/** + * The default parse function. + * + * This will scan the string for the first 1-byte control character (C0/C1 + * characters from [CTRL]). Any plain text coming before the code will be + * printed to the terminal, then the control character will be dispatched. + */ +hterm.VT.prototype.parseUnknown_ = function(parseState) { + var self = this; + + function print(str) { + if (self[self.GL].GL) + str = self[self.GL].GL(str); + + if (self[self.GR].GR) + str = self[self.GR].GR(str); + + self.terminal.print(str); + }; + + // Search for the next contiguous block of plain text. + var buf = parseState.peekRemainingBuf(); + var nextControl = buf.search(this.cc1Pattern_); + + if (nextControl == 0) { + // We've stumbled right into a control character. + this.dispatch('CC1', buf.substr(0, 1), parseState); + parseState.advance(1); + return; + } + + if (nextControl == -1) { + // There are no control characters in this string. + print(buf); + parseState.reset(); + return; + } + + print(buf.substr(0, nextControl)); + this.dispatch('CC1', buf.substr(nextControl, 1), parseState); + parseState.advance(nextControl + 1); +}; + +/** + * Parse a Control Sequence Introducer code and dispatch it. + * + * See [CSI] for some useful information about these codes. + */ +hterm.VT.prototype.parseCSI_ = function(parseState) { + var ch = parseState.peekChar(); + var args = parseState.args; + + if (ch >= '@' && ch <= '~') { + // This is the final character. + this.dispatch('CSI', this.leadingModifier_ + this.trailingModifier_ + ch, + parseState); + parseState.resetParseFunction(); + + } else if (ch == ';') { + // Parameter delimeter. + if (this.trailingModifier_) { + // Parameter delimiter after the trailing modifier. That's a paddlin'. + parseState.resetParseFunction(); + + } else { + if (!args.length) { + // They omitted the first param, we need to supply it. + args.push(''); + } + + args.push(''); + } + + } else if (ch >= '0' && ch <= '9') { + // Next byte in the current parameter. + + if (this.trailingModifier_) { + // Numeric parameter after the trailing modifier. That's a paddlin'. + parseState.resetParseFunction(); + } else { + if (!args.length) { + args[0] = ch; + } else { + args[args.length - 1] += ch; + } + } + + } else if (ch >= ' ' && ch <= '?' && ch != ':') { + // Modifier character. + if (!args.length) { + this.leadingModifier_ += ch; + } else { + this.trailingModifier_ += ch; + } + + } else if (this.cc1Pattern_.test(ch)) { + // Control character. + this.dispatch('CC1', ch, parseState); + + } else { + // Unexpected character in sequence, bail out. + parseState.resetParseFunction(); + } + + parseState.advance(1); +}; + +/** + * Skip over the string until the next String Terminator (ST, 'ESC \') or + * Bell (BEL, '\x07'). + * + * The string is accumulated in parseState.args[0]. Make sure to reset the + * arguments (with parseState.resetArguments) before starting the parse. + * + * You can detect that parsing in complete by checking that the parse + * function has changed back to the default parse function. + * + * If we encounter more than maxStringSequence characters, we send back + * the unterminated sequence to be re-parsed with the default parser function. + * + * @return {boolean} If true, parsing is ongoing or complete. If false, we've + * exceeded the max string sequence. + */ +hterm.VT.prototype.parseUntilStringTerminator_ = function(parseState) { + var buf = parseState.peekRemainingBuf(); + var nextTerminator = buf.search(/(\x1b\\|\x07)/); + var args = parseState.args; + + if (!args.length) { + args[0] = ''; + args[1] = new Date(); + } + + if (nextTerminator == -1) { + // No terminator here, have to wait for the next string. + + args[0] += buf; + + var abortReason; + + if (args[0].length > this.maxStringSequence) + abortReason = 'too long: ' + args[0].length; + + if (args[0].indexOf('\x1b') != -1) + abortReason = 'embedded escape: ' + args[0].indexOf('\x1b'); + + if (new Date() - args[1] > this.oscTimeLimit_) + abortReason = 'timeout expired: ' + new Date() - args[1]; + + if (abortReason) { + console.log('parseUntilStringTerminator_: aborting: ' + abortReason, + args[0]); + parseState.reset(args[0]); + return false; + } + + parseState.advance(buf.length); + return true; + } + + if (args[0].length + nextTerminator > this.maxStringSequence) { + // We found the end of the sequence, but we still think it's too long. + parseState.reset(args[0] + buf); + return false; + } + + args[0] += buf.substr(0, nextTerminator); + + parseState.resetParseFunction(); + parseState.advance(nextTerminator + + (buf.substr(nextTerminator, 1) == '\x1b' ? 2 : 1)); + + return true; +}; + +/** + * Dispatch to the function that handles a given CC1, ESC, or CSI or VT52 code. + */ +hterm.VT.prototype.dispatch = function(type, code, parseState) { + var handler = hterm.VT[type][code]; + if (!handler) { + if (this.warnUnimplemented) + console.warn('Unknown ' + type + ' code: ' + JSON.stringify(code)); + return; + } + + if (handler == hterm.VT.ignore) { + if (this.warnUnimplemented) + console.warn('Ignored ' + type + ' code: ' + JSON.stringify(code)); + return; + } + + if (type == 'CC1' && code > '\x7f' && !this.enable8BitControl) { + // It's kind of a hack to put this here, but... + // + // If we're dispatching a 'CC1' code, and it's got the eighth bit set, + // but we're not supposed to handle 8-bit codes? Just ignore it. + // + // This prevents an errant (DCS, '\x90'), (OSC, '\x9d'), (PM, '\x9e') or + // (APC, '\x9f') from locking up the terminal waiting for its expected + // (ST, '\x9c') or (BEL, '\x07'). + console.warn('Ignoring 8-bit control code: 0x' + + code.charCodeAt(0).toString(16)); + return; + } + + handler.apply(this, [parseState, code]); +}; + +/** + * Set one of the ANSI defined terminal mode bits. + * + * Invoked in response to SM/RM. + * + * Expected values for code: + * 2 - Keyboard Action Mode (AM). Will not implement. + * 4 - Insert Mode (IRM). + * 12 - Send/receive (SRM). Will not implement. + * 20 - Automatic Newline (LNM). + * + * Unexpected and unimplemented values are silently ignored. + */ +hterm.VT.prototype.setANSIMode = function(code, state) { + if (code == '4') { + this.terminal.setInsertMode(state); + } else if (code == '20') { + this.terminal.setAutoCarriageReturn(state); + } else if (this.warnUnimplemented) { + console.warn('Unimplemented ANSI Mode: ' + code); + } +}; + +/** + * Set or reset one of the DEC Private modes. + * + * Invoked in response to DECSET/DECRST. + * + * Expected values for code: + * 1 - Application Cursor Keys (DECCKM). + * 2 - [!] Designate USASCII for character sets G0-G3 (DECANM), and set + * VT100 mode. + * 3 - 132 Column Mode (DECCOLM). + * 4 - [x] Smooth (Slow) Scroll (DECSCLM). + * 5 - Reverse Video (DECSCNM). + * 6 - Origin Mode (DECOM). + * 7 - Wraparound Mode (DECAWM). + * 8 - [x] Auto-repeat Keys (DECARM). + * 9 - [!] Send Mouse X & Y on button press. + * 10 - [x] Show toolbar (rxvt). + * 12 - Start Blinking Cursor (att610). + * 18 - [!] Print form feed (DECPFF). + * 19 - [x] Set print extent to full screen (DECPEX). + * 25 - Show Cursor (DECTCEM). + * 30 - [!] Show scrollbar (rxvt). + * 35 - [x] Enable font-shifting functions (rxvt). + * 38 - [x] Enter Tektronix Mode (DECTEK). + * 40 - Allow 80 - 132 Mode. + * 41 - [!] more(1) fix (see curses resource). + * 42 - [!] Enable Nation Replacement Character sets (DECNRCM). + * 44 - [!] Turn On Margin Bell. + * 45 - Reverse-wraparound Mode. + * 46 - [x] Start Logging. + * 47 - [!] Use Alternate Screen Buffer. + * 66 - [!] Application keypad (DECNKM). + * 67 - Backarrow key sends backspace (DECBKM). + * 1000 - Send Mouse X & Y on button press and release. (MOUSE_REPORT_CLICK) + * 1001 - [!] Use Hilite Mouse Tracking. + * 1002 - Use Cell Motion Mouse Tracking. (MOUSE_REPORT_DRAG) + * 1003 - [!] Use All Motion Mouse Tracking. + * 1004 - [!] Send FocusIn/FocusOut events. + * 1005 - [!] Enable Extended Mouse Mode. + * 1010 - Scroll to bottom on tty output (rxvt). + * 1011 - Scroll to bottom on key press (rxvt). + * 1034 - [x] Interpret "meta" key, sets eighth bit. + * 1035 - [x] Enable special modifiers for Alt and NumLock keys. + * 1036 - Send ESC when Meta modifies a key. + * 1037 - [!] Send DEL from the editing-keypad Delete key. + * 1039 - Send ESC when Alt modifies a key. + * 1040 - [x] Keep selection even if not highlighted. + * 1041 - [x] Use the CLIPBOARD selection. + * 1042 - [!] Enable Urgency window manager hint when Control-G is received. + * 1043 - [!] Enable raising of the window when Control-G is received. + * 1047 - [!] Use Alternate Screen Buffer. + * 1048 - Save cursor as in DECSC. + * 1049 - Save cursor as in DECSC and use Alternate Screen Buffer, clearing + * it first. (This may be disabled by the titeInhibit resource). This + * combines the effects of the 1047 and 1048 modes. Use this with + * terminfo-based applications rather than the 47 mode. + * 1050 - [!] Set terminfo/termcap function-key mode. + * 1051 - [x] Set Sun function-key mode. + * 1052 - [x] Set HP function-key mode. + * 1053 - [x] Set SCO function-key mode. + * 1060 - [x] Set legacy keyboard emulation (X11R6). + * 1061 - [!] Set VT220 keyboard emulation. + * 2004 - Set bracketed paste mode. + * + * [!] - Not currently implemented, may be in the future. + * [x] - Will not implement. + */ +hterm.VT.prototype.setDECMode = function(code, state) { + switch (code) { + case '1': // DECCKM + this.terminal.keyboard.applicationCursor = state; + break; + + case '3': // DECCOLM + if (this.allowColumnWidthChanges_) { + this.terminal.setWidth(state ? 132 : 80); + + this.terminal.clearHome(); + this.terminal.setVTScrollRegion(null, null); + } + break; + + case '5': // DECSCNM + this.terminal.setReverseVideo(state); + break; + + case '6': // DECOM + this.terminal.setOriginMode(state); + break; + + case '7': // DECAWM + this.terminal.setWraparound(state); + break; + + case '12': // att610 + if (this.enableDec12) + this.terminal.setCursorBlink(state); + break; + + case '25': // DECTCEM + this.terminal.setCursorVisible(state); + break; + + case '40': // no-spec + this.terminal.allowColumnWidthChanges_ = state; + break; + + case '45': // no-spec + this.terminal.setReverseWraparound(state); + break; + + case '67': // DECBKM + this.terminal.keyboard.backspaceSendsBackspace = state; + break; + + case '1000': // Report on mouse clicks only. + this.mouseReport = ( + state ? this.MOUSE_REPORT_CLICK : this.MOUSE_REPORT_DISABLED); + break; + + case '1002': // Report on mouse clicks and drags + this.mouseReport = ( + state ? this.MOUSE_REPORT_DRAG : this.MOUSE_REPORT_DISABLED); + break; + + case '1010': // rxvt + this.terminal.scrollOnOutput = state; + break; + + case '1011': // rxvt + this.terminal.scrollOnKeystroke = state; + break; + + case '1036': // no-spec + this.terminal.keyboard.metaSendsEscape = state; + break; + + case '1039': // no-spec + if (state) { + if (!this.terminal.keyboard.previousAltSendsWhat_) { + this.terminal.keyboard.previousAltSendsWhat_ = + this.terminal.keyboard.altSendsWhat; + this.terminal.keyboard.altSendsWhat = 'escape'; + } + } else if (this.terminal.keyboard.previousAltSendsWhat_) { + this.terminal.keyboard.altSendsWhat = + this.terminal.keyboard.previousAltSendsWhat_; + this.terminal.keyboard.previousAltSendsWhat_ = null; + } + break; + + case '47': + case '1047': // no-spec + this.terminal.setAlternateMode(state); + break; + + case '1048': // Save cursor as in DECSC. + this.savedState_.save(); + + case '1049': // 1047 + 1048 + clear. + if (state) { + this.savedState_.save(); + this.terminal.setAlternateMode(state); + this.terminal.clear(); + } else { + this.terminal.setAlternateMode(state); + this.savedState_.restore(); + } + + break; + + case '2004': // Bracketed paste mode. + this.terminal.setBracketedPaste(state); + break; + + default: + if (this.warnUnimplemented) + console.warn('Unimplemented DEC Private Mode: ' + code); + break; + } +}; + +/** + * Function shared by control characters and escape sequences that are + * ignored. + */ +hterm.VT.ignore = function() {}; + +/** + * Collection of control characters expressed in a single byte. + * + * This includes the characters from the C0 and C1 sets (see [CTRL]) that we + * care about. Two byte versions of the C1 codes are defined in the + * hterm.VT.ESC collection. + * + * The 'CC1' mnemonic here refers to the fact that these are one-byte Control + * Codes. It's only used in this source file and not defined in any of the + * referenced documents. + */ +hterm.VT.CC1 = {}; + +/** + * Collection of two-byte and three-byte sequences starting with ESC. + */ +hterm.VT.ESC = {}; + +/** + * Collection of CSI (Control Sequence Introducer) sequences. + * + * These sequences begin with 'ESC [', and may take zero or more arguments. + */ +hterm.VT.CSI = {}; + +/** + * Collection of OSC (Operating System Control) sequences. + * + * These sequences begin with 'ESC ]', followed by a function number and a + * string terminated by either ST or BEL. + */ +hterm.VT.OSC = {}; + +/** + * Collection of VT52 sequences. + * + * When in VT52 mode, other sequences are disabled. + */ +hterm.VT.VT52 = {}; + +/** + * Null (NUL). + * + * Silently ignored. + */ +hterm.VT.CC1['\x00'] = function () {}; + +/** + * Enquiry (ENQ). + * + * Transmit answerback message. + * + * The default answerback message in xterm is an empty string, so we just + * ignore this. + */ +hterm.VT.CC1['\x05'] = hterm.VT.ignore; + +/** + * Ring Bell (BEL). + */ +hterm.VT.CC1['\x07'] = function() { + this.terminal.ringBell(); +}; + +/** + * Backspace (BS). + * + * Move the cursor to the left one character position, unless it is at the + * left margin, in which case no action occurs. + */ +hterm.VT.CC1['\x08'] = function() { + this.terminal.cursorLeft(1); +}; + +/** + * Horizontal Tab (HT). + * + * Move the cursor to the next tab stop, or to the right margin if no further + * tab stops are present on the line. + */ +hterm.VT.CC1['\x09'] = function() { + this.terminal.forwardTabStop(); +}; + +/** + * Line Feed (LF). + * + * This code causes a line feed or a new line operation. See Automatic + * Newline (LNM). + */ +hterm.VT.CC1['\x0a'] = function() { + this.terminal.formFeed(); +}; + +/** + * Vertical Tab (VT). + * + * Interpreted as LF. + */ +hterm.VT.CC1['\x0b'] = hterm.VT.CC1['\x0a']; + +/** + * Form Feed (FF). + * + * Interpreted as LF. + */ +hterm.VT.CC1['\x0c'] = function() { + this.terminal.formFeed(); +}; + +/** + * Carriage Return (CR). + * + * Move cursor to the left margin on the current line. + */ +hterm.VT.CC1['\x0d'] = function() { + this.terminal.setCursorColumn(0); +}; + +/** + * Shift Out (SO), aka Lock Shift 0 (LS1). + * + * Invoke G1 character set in GL. + */ +hterm.VT.CC1['\x0e'] = function() { + this.GL = 'G1'; +}; + +/** + * Shift In (SI), aka Lock Shift 0 (LS0). + * + * Invoke G0 character set in GL. + */ +hterm.VT.CC1['\x0f'] = function() { + this.GL = 'G0'; +}; + +/** + * Transmit On (XON). + * + * Not currently implemented. + * + * TODO(rginda): Implement? + */ +hterm.VT.CC1['\x11'] = hterm.VT.ignore; + +/** + * Transmit Off (XOFF). + * + * Not currently implemented. + * + * TODO(rginda): Implement? + */ +hterm.VT.CC1['\x13'] = hterm.VT.ignore; + +/** + * Cancel (CAN). + * + * If sent during a control sequence, the sequence is immediately terminated + * and not executed. + * + * It also causes the error character to be displayed. + */ +hterm.VT.CC1['\x18'] = function(parseState) { + parseState.resetParseFunction(); + this.terminal.print('?'); +}; + +/** + * Substitute (SUB). + * + * Interpreted as CAN. + */ +hterm.VT.CC1['\x1a'] = hterm.VT.CC1['\x18']; + +/** + * Escape (ESC). + */ +hterm.VT.CC1['\x1b'] = function(parseState) { + function parseESC(parseState) { + var ch = parseState.consumeChar(); + + if (ch == '\x1b') + return; + + this.dispatch('ESC', ch, parseState); + + if (parseState.func == parseESC) + parseState.resetParseFunction(); + }; + + parseState.func = parseESC; +}; + +/** + * Delete (DEL). + */ +hterm.VT.CC1['\x7f'] = hterm.VT.ignore; + +// 8 bit control characters and their two byte equivalents, below... + +/** + * Index (IND). + * + * Like newline, only keep the X position + */ +hterm.VT.CC1['\x84'] = +hterm.VT.ESC['D'] = function() { + this.terminal.lineFeed(); +}; + +/** + * Next Line (NEL). + * + * Like newline, but doesn't add lines. + */ +hterm.VT.CC1['\x85'] = +hterm.VT.ESC['E'] = function() { + this.terminal.setCursorColumn(0); + this.terminal.cursorDown(1); +}; + +/** + * Horizontal Tabulation Set (HTS). + */ +hterm.VT.CC1['\x88'] = +hterm.VT.ESC['H'] = function() { + this.terminal.setTabStop(this.terminal.getCursorColumn()); +}; + +/** + * Reverse Index (RI). + * + * Move up one line. + */ +hterm.VT.CC1['\x8d'] = +hterm.VT.ESC['M'] = function() { + this.terminal.reverseLineFeed(); +}; + +/** + * Single Shift 2 (SS2). + * + * Select of G2 Character Set for the next character only. + * + * Not currently implemented. + */ +hterm.VT.CC1['\x8e'] = +hterm.VT.ESC['N'] = hterm.VT.ignore; + +/** + * Single Shift 3 (SS3). + * + * Select of G3 Character Set for the next character only. + * + * Not currently implemented. + */ +hterm.VT.CC1['\x8f'] = +hterm.VT.ESC['O'] = hterm.VT.ignore; + +/** + * Device Control String (DCS). + * + * Indicate a DCS sequence. See Device-Control functions in [XTERM]. + * Not currently implemented. + * + * TODO(rginda): Consider implementing DECRQSS, the rest don't seem applicable. + */ +hterm.VT.CC1['\x90'] = +hterm.VT.ESC['P'] = function(parseState) { + parseState.resetArguments(); + parseState.func = this.parseUntilStringTerminator_; +}; + +/** + * Start of Protected Area (SPA). + * + * Will not implement. + */ +hterm.VT.CC1['\x96'] = +hterm.VT.ESC['V'] = hterm.VT.ignore; + +/** + * End of Protected Area (EPA). + * + * Will not implement. + */ +hterm.VT.CC1['\x97'] = +hterm.VT.ESC['W'] = hterm.VT.ignore; + +/** + * Start of String (SOS). + * + * Will not implement. + */ +hterm.VT.CC1['\x98'] = +hterm.VT.ESC['X'] = hterm.VT.ignore; + +/** + * Single Character Introducer (SCI, also DECID). + * + * Return Terminal ID. Obsolete form of 'ESC [ c' (DA). + */ +hterm.VT.CC1['\x9a'] = +hterm.VT.ESC['Z'] = function() { + this.terminal.io.sendString('\x1b[?1;2c'); +}; + +/** + * Control Sequence Introducer (CSI). + * + * The lead into most escape sequences. See [CSI]. + */ +hterm.VT.CC1['\x9b'] = +hterm.VT.ESC['['] = function(parseState) { + parseState.resetArguments(); + this.leadingModifier_ = ''; + this.trailingModifier_ = ''; + parseState.func = this.parseCSI_; +}; + +/** + * String Terminator (ST). + * + * Used to terminate DCS/OSC/PM/APC commands which may take string arguments. + * + * We don't directly handle it here, as it's only used to terminate other + * sequences. See the 'parseUntilStringTerminator_' method. + */ +hterm.VT.CC1['\x9c'] = +hterm.VT.ESC['\\'] = hterm.VT.ignore; + +/** + * Operating System Command (OSC). + * + * Commands relating to the operating system. + */ +hterm.VT.CC1['\x9d'] = +hterm.VT.ESC[']'] = function(parseState) { + parseState.resetArguments(); + + function parseOSC(parseState) { + if (!this.parseUntilStringTerminator_(parseState)) { + // The string sequence was too long. + return; + } + + if (parseState.func == parseOSC) { + // We're not done parsing the string yet. + return; + } + + // We're done. + var ary = parseState.args[0].match(/^(\d+);(.*)$/); + if (ary) { + parseState.args[0] = ary[2]; + this.dispatch('OSC', ary[1], parseState); + } else { + console.warn('Invalid OSC: ' + JSON.stringify(parseState.args[0])); + } + }; + + parseState.func = parseOSC; +}; + +/** + * Privacy Message (PM). + * + * Will not implement. + */ +hterm.VT.CC1['\x9e'] = +hterm.VT.ESC['^'] = function(parseState) { + parseState.resetArguments(); + parseState.func = this.parseUntilStringTerminator_; +}; + +/** + * Application Program Control (APC). + * + * Will not implement. + */ +hterm.VT.CC1['\x9f'] = +hterm.VT.ESC['_'] = function(parseState) { + parseState.resetArguments(); + parseState.func = this.parseUntilStringTerminator_; +}; + +/** + * ESC \x20 - Unclear to me where these originated, possibly in xterm. + * + * Not currently implemented: + * ESC \x20 F - Select 7 bit escape codes in responses (S7C1T). + * ESC \x20 G - Select 8 bit escape codes in responses (S8C1T). + * NB: We currently assume S7C1T always. + * + * Will not implement: + * ESC \x20 L - Set ANSI conformance level 1. + * ESC \x20 M - Set ANSI conformance level 2. + * ESC \x20 N - Set ANSI conformance level 3. + */ +hterm.VT.ESC['\x20'] = function(parseState) { + parseState.func = function(parseState) { + var ch = parseState.consumeChar(); + if (this.warnUnimplemented) + console.warn('Unimplemented sequence: ESC 0x20 ' + ch); + parseState.resetParseFunction(); + }; +}; + +/** + * DEC 'ESC #' sequences. + * + * Handled: + * ESC # 8 - DEC Screen Alignment Test (DECALN). + * Fills the terminal with 'E's. Used liberally by vttest. + * + * Ignored: + * ESC # 3 - DEC double-height line, top half (DECDHL). + * ESC # 4 - DEC double-height line, bottom half (DECDHL). + * ESC # 5 - DEC single-width line (DECSWL). + * ESC # 6 - DEC double-width line (DECDWL). + */ +hterm.VT.ESC['#'] = function(parseState) { + parseState.func = function(parseState) { + var ch = parseState.consumeChar(); + if (ch == '8') + this.terminal.fill('E'); + + parseState.resetParseFunction(); + }; +}; + +/** + * 'ESC %' sequences, character set control. Not currently implemented. + * + * To be implemented (currently ignored): + * ESC % @ - Set ISO 8859-1 character set. + * ESC % G - Set UTF-8 character set. + * + * All other ESC # sequences are echoed to the terminal. + * + * TODO(rginda): Implement. + */ +hterm.VT.ESC['%'] = function(parseState) { + parseState.func = function(parseState) { + var ch = parseState.consumeChar(); + if (ch != '@' && ch != 'G' && this.warnUnimplemented) + console.warn('Unknown ESC % argument: ' + JSON.stringify(ch)); + parseState.resetParseFunction(); + }; +}; + +/** + * Character Set Selection (SCS). + * + * ESC ( Ps - Set G0 character set (VT100). + * ESC ) Ps - Set G1 character set (VT220). + * ESC * Ps - Set G2 character set (VT220). + * ESC + Ps - Set G3 character set (VT220). + * ESC - Ps - Set G1 character set (VT300). + * ESC . Ps - Set G2 character set (VT300). + * ESC / Ps - Set G3 character set (VT300). + * + * Values for Ps are: + * 0 - DEC Special Character and Line Drawing Set. + * A - United Kingdom (UK). + * B - United States (USASCII). + * 4 - Dutch. + * C or 5 - Finnish. + * R - French. + * Q - French Canadian. + * K - German. + * Y - Italian. + * E or 6 - Norwegian/Danish. + * Z - Spanish. + * H or 7 - Swedish. + * = - Swiss. + * + * All other sequences are echoed to the terminal. + * + * TODO(rginda): Implement. + */ +hterm.VT.ESC['('] = +hterm.VT.ESC[')'] = +hterm.VT.ESC['*'] = +hterm.VT.ESC['+'] = +hterm.VT.ESC['-'] = +hterm.VT.ESC['.'] = +hterm.VT.ESC['/'] = function(parseState, code) { + parseState.func = function(parseState) { + var ch = parseState.consumeChar(); + if (ch == '\x1b') { + parseState.resetParseFunction(); + parseState.func(); + return; + } + + if (ch in hterm.VT.CharacterMap.maps) { + if (code == '(') { + this.G0 = hterm.VT.CharacterMap.maps[ch]; + } else if (code == ')' || code == '-') { + this.G1 = hterm.VT.CharacterMap.maps[ch]; + } else if (code == '*' || code == '.') { + this.G2 = hterm.VT.CharacterMap.maps[ch]; + } else if (code == '+' || code == '/') { + this.G3 = hterm.VT.CharacterMap.maps[ch]; + } + } else if (this.warnUnimplemented) { + console.log('Invalid character set for "' + code + '": ' + ch); + } + + parseState.resetParseFunction(); + }; +}; + +/** + * Back Index (DECBI). + * + * VT420 and up. Not currently implemented. + */ +hterm.VT.ESC['6'] = hterm.VT.ignore; + +/** + * Save Cursor (DECSC). + */ +hterm.VT.ESC['7'] = function() { + this.savedState_.save(); +}; + +/** + * Restore Cursor (DECSC). + */ +hterm.VT.ESC['8'] = function() { + this.savedState_.restore(); +}; + +/** + * Forward Index (DECFI). + * + * VT210 and up. Not currently implemented. + */ +hterm.VT.ESC['9'] = hterm.VT.ignore; + +/** + * Application keypad (DECPAM). + */ +hterm.VT.ESC['='] = function() { + this.terminal.keyboard.applicationKeypad = true; +}; + +/** + * Normal keypad (DECPNM). + */ +hterm.VT.ESC['>'] = function() { + this.terminal.keyboard.applicationKeypad = false; +}; + +/** + * Cursor to lower left corner of screen. + * + * Will not implement. + * + * This is only recognized by xterm when the hpLowerleftBugCompat resource is + * set. + */ +hterm.VT.ESC['F'] = hterm.VT.ignore; + +/** + * Full Reset (RIS). + */ +hterm.VT.ESC['c'] = function() { + this.reset(); + this.terminal.reset(); +}; + +/** + * Memory lock/unlock. + * + * Will not implement. + */ +hterm.VT.ESC['l'] = +hterm.VT.ESC['m'] = hterm.VT.ignore; + +/** + * Lock Shift 2 (LS2) + * + * Invoke the G2 Character Set as GL. + */ +hterm.VT.ESC['n'] = function() { + this.GL = 'G2'; +}; + +/** + * Lock Shift 3 (LS3) + * + * Invoke the G3 Character Set as GL. + */ +hterm.VT.ESC['o'] = function() { + this.GL = 'G3'; +}; + +/** + * Lock Shift 2, Right (LS3R) + * + * Invoke the G3 Character Set as GR. + */ +hterm.VT.ESC['|'] = function() { + this.GR = 'G3'; +}; + +/** + * Lock Shift 2, Right (LS2R) + * + * Invoke the G2 Character Set as GR. + */ +hterm.VT.ESC['}'] = function() { + this.GR = 'G2'; +}; + +/** + * Lock Shift 1, Right (LS1R) + * + * Invoke the G1 Character Set as GR. + */ +hterm.VT.ESC['~'] = function() { + this.GR = 'G1'; +}; + +/** + * Change icon name and window title. + * + * We only change the window title. + */ +hterm.VT.OSC['0'] = function(parseState) { + this.terminal.setWindowTitle(parseState.args[0]); +}; + +/** + * Change window title. + */ +hterm.VT.OSC['2'] = hterm.VT.OSC['0']; + +/** + * Set/read color palette. + */ +hterm.VT.OSC['4'] = function(parseState) { + // Args come in as a single 'index1;rgb1 ... ;indexN;rgbN' string. + // We split on the semicolon and iterate through the pairs. + var args = parseState.args[0].split(';'); + + var pairCount = parseInt(args.length / 2); + var colorPalette = this.terminal.getTextAttributes().colorPalette; + var responseArray = []; + + for (var pairNumber = 0; pairNumber < pairCount; ++pairNumber) { + var colorIndex = parseInt(args[pairNumber * 2]); + var colorValue = args[pairNumber * 2 + 1]; + + if (colorIndex >= colorPalette.length) + continue; + + if (colorValue == '?') { + // '?' means we should report back the current color value. + colorValue = lib.colors.rgbToX11(colorPalette[colorIndex]); + if (colorValue) + responseArray.push(colorIndex + ';' + colorValue); + + continue; + } + + colorValue = lib.colors.x11ToCSS(colorValue); + if (colorValue) + colorPalette[colorIndex] = colorValue; + } + + if (responseArray.length) + this.terminal.io.sendString('\x1b]4;' + responseArray.join(';') + '\x07'); +}; + +/** + * Set the cursor shape. + * + * Parameter is expected to be in the form "CursorShape=number", where number is + * one of: + * + * 0 - Block + * 1 - I-Beam + * 2 - Underline + * + * This is a bit of a de-facto standard supported by iTerm 2 and Konsole. See + * also: DECSCUSR. + * + * Invalid numbers will restore the cursor to the block shape. + */ +hterm.VT.OSC['50'] = function(parseState) { + var args = parseState.args[0].match(/CursorShape=(.)/i); + if (!args) { + console.warn('Could not parse OSC 50 args: ' + parseState.args[0]); + return; + } + + switch (args[1]) { + case '1': + this.terminal.setCursorShape(hterm.Terminal.cursorShape.BEAM); + break; + + case '2': + this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE); + break; + + default: + this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK); + } +}; + +/** + * Set/read system clipboard. + * + * Read is not implemented due to security considerations. A remote app + * that is able to both write and read to the clipboard could essentially + * take over your session. + * + * The clipboard data will be decoded according to the 'receive-encoding' + * preference. + */ +hterm.VT.OSC['52'] = function(parseState) { + // Args come in as a single 'clipboard;b64-data' string. The clipboard + // parameter is used to select which of the X clipboards to address. Since + // we're not integrating with X, we treat them all the same. + var args = parseState.args[0].match(/^[cps01234567]*;(.*)/); + if (!args) + return; + + var data = window.atob(args[1]); + if (data) + this.terminal.copyStringToClipboard(this.decode(data)); +}; + +/** + * Insert (blank) characters (ICH). + */ +hterm.VT.CSI['@'] = function(parseState) { + this.terminal.insertSpace(parseState.iarg(0, 1)); +}; + +/** + * Cursor Up (CUU). + */ +hterm.VT.CSI['A'] = function(parseState) { + this.terminal.cursorUp(parseState.iarg(0, 1)); +}; + +/** + * Cursor Down (CUD). + */ +hterm.VT.CSI['B'] = function(parseState) { + this.terminal.cursorDown(parseState.iarg(0, 1)); +}; + +/** + * Cursor Forward (CUF). + */ +hterm.VT.CSI['C'] = function(parseState) { + this.terminal.cursorRight(parseState.iarg(0, 1)); +}; + +/** + * Cursor Backward (CUB). + */ +hterm.VT.CSI['D'] = function(parseState) { + this.terminal.cursorLeft(parseState.iarg(0, 1)); +}; + +/** + * Cursor Next Line (CNL). + * + * This is like Cursor Down, except the cursor moves to the beginning of the + * line as well. + */ +hterm.VT.CSI['E'] = function(parseState) { + this.terminal.cursorDown(parseState.iarg(0, 1)); + this.terminal.setCursorColumn(0); +}; + +/** + * Cursor Preceding Line (CPL). + * + * This is like Cursor Up, except the cursor moves to the beginning of the + * line as well. + */ +hterm.VT.CSI['F'] = function(parseState) { + this.terminal.cursorUp(parseState.iarg(0, 1)); + this.terminal.setCursorColumn(0); +}; + +/** + * Cursor Character Absolute (CHA). + */ +hterm.VT.CSI['G'] = function(parseState) { + this.terminal.setCursorColumn(parseState.iarg(0, 1) - 1); +}; + +/** + * Cursor Position (CUP). + */ +hterm.VT.CSI['H'] = function(parseState) { + this.terminal.setCursorPosition(parseState.iarg(0, 1) - 1, + parseState.iarg(1, 1) - 1); +}; + +/** + * Cursor Forward Tabulation (CHT). + */ +hterm.VT.CSI['I'] = function(parseState) { + var count = parseState.iarg(0, 1); + count = lib.f.clamp(count, 1, this.terminal.screenSize.width); + for (var i = 0; i < count; i++) { + this.terminal.forwardTabStop(); + } +}; + +/** + * Erase in Display (ED, DECSED). + */ +hterm.VT.CSI['J'] = +hterm.VT.CSI['?J'] = function(parseState, code) { + var arg = parseState.args[0]; + + if (!arg || arg == '0') { + this.terminal.eraseBelow(); + } else if (arg == '1') { + this.terminal.eraseAbove(); + } else if (arg == '2') { + this.terminal.clear(); + } else if (arg == '3') { + // The xterm docs say this means "Erase saved lines", but we'll just clear + // the display since killing the scrollback seems rude. + this.terminal.clear(); + } +}; + +/** + * Erase in line (EL, DECSEL). + */ +hterm.VT.CSI['K'] = +hterm.VT.CSI['?K'] = function(parseState, code) { + var arg = parseState.args[0]; + + if (!arg || arg == '0') { + this.terminal.eraseToRight(); + } else if (arg == '1'){ + this.terminal.eraseToLeft(); + } else if (arg == '2') { + this.terminal.eraseLine(); + } +}; + +/** + * Insert Lines (IL). + */ +hterm.VT.CSI['L'] = function(parseState) { + this.terminal.insertLines(parseState.iarg(0, 1)); +}; + +/** + * Delete Lines (DL). + */ +hterm.VT.CSI['M'] = function(parseState) { + this.terminal.deleteLines(parseState.iarg(0, 1)); +}; + +/** + * Delete Characters (DCH). + * + * This command shifts the line contents left, starting at the cursor position. + */ +hterm.VT.CSI['P'] = function(parseState) { + this.terminal.deleteChars(parseState.iarg(0, 1)); +}; + +/** + * Scroll Up (SU). + */ +hterm.VT.CSI['S'] = function(parseState) { + this.terminal.vtScrollUp(parseState.iarg(0, 1)); +}; + +/** + * Scroll Down (SD). + * Also 'Initiate highlight mouse tracking'. Will not implement this part. + */ +hterm.VT.CSI['T'] = function(parseState) { + if (parseState.args.length <= 1) + this.terminal.vtScrollDown(parseState.iarg(0, 1)); +}; + +/** + * Reset one or more features of the title modes to the default value. + * + * ESC [ > Ps T + * + * Normally, "reset" disables the feature. It is possible to disable the + * ability to reset features by compiling a different default for the title + * modes into xterm. + * + * Ps values: + * 0 - Do not set window/icon labels using hexadecimal. + * 1 - Do not query window/icon labels using hexadecimal. + * 2 - Do not set window/icon labels using UTF-8. + * 3 - Do not query window/icon labels using UTF-8. + * + * Will not implement. + */ +hterm.VT.CSI['>T'] = hterm.VT.ignore; + +/** + * Erase Characters (ECH). + */ +hterm.VT.CSI['X'] = function(parseState) { + this.terminal.eraseToRight(parseState.iarg(0, 1)); +}; + +/** + * Cursor Backward Tabulation (CBT). + */ +hterm.VT.CSI['Z'] = function(parseState) { + var count = parseState.iarg(0, 1); + count = lib.f.clamp(count, 1, this.terminal.screenSize.width); + for (var i = 0; i < count; i++) { + this.terminal.backwardTabStop(); + } +}; + +/** + * Character Position Absolute (HPA). + */ +hterm.VT.CSI['`'] = function(parseState) { + this.terminal.setCursorColumn(parseState.iarg(0, 1) - 1); +}; + +/** + * Repeat the preceding graphic character. + * + * Not currently implemented. + */ +hterm.VT.CSI['b'] = hterm.VT.ignore; + +/** + * Send Device Attributes (Primary DA). + * + * TODO(rginda): This is hardcoded to send back 'VT100 with Advanced Video + * Option', but it may be more correct to send a VT220 response once + * we fill out the 'Not currently implemented' parts. + */ +hterm.VT.CSI['c'] = function(parseState) { + if (!parseState.args[0] || parseState.args[0] == '0') { + this.terminal.io.sendString('\x1b[?1;2c'); + } +}; + +/** + * Send Device Attributes (Secondary DA). + * + * TODO(rginda): This is hardcoded to send back 'VT100' but it may be more + * correct to send a VT220 response once we fill out more 'Not currently + * implemented' parts. + */ +hterm.VT.CSI['>c'] = function(parseState) { + this.terminal.io.sendString('\x1b[>0;256;0c'); +}; + +/** + * Line Position Absolute (VPA). + */ +hterm.VT.CSI['d'] = function(parseState) { + this.terminal.setAbsoluteCursorRow(parseState.iarg(0, 1) - 1); +}; + +/** + * Horizontal and Vertical Position (HVP). + * + * Same as Cursor Position (CUP). + */ +hterm.VT.CSI['f'] = hterm.VT.CSI['H']; + +/** + * Tab Clear (TBC). + */ +hterm.VT.CSI['g'] = function(parseState) { + if (!parseState.args[0] || parseState.args[0] == '0') { + // Clear tab stop at cursor. + this.terminal.clearTabStopAtCursor(false); + } else if (parseState.args[0] == '3') { + // Clear all tab stops. + this.terminal.clearAllTabStops(); + } +}; + +/** + * Set Mode (SM). + */ +hterm.VT.CSI['h'] = function(parseState) { + for (var i = 0; i < parseState.args.length; i++) { + this.setANSIMode(parseState.args[i], true); + } +}; + +/** + * DEC Private Mode Set (DECSET). + */ +hterm.VT.CSI['?h'] = function(parseState) { + for (var i = 0; i < parseState.args.length; i++) { + this.setDECMode(parseState.args[i], true); + } +}; + +/** + * Media Copy (MC). + * Media Copy (MC, DEC Specific). + * + * These commands control the printer. Will not implement. + */ +hterm.VT.CSI['i'] = +hterm.VT.CSI['?i'] = hterm.VT.ignore; + +/** + * Reset Mode (RM). + */ +hterm.VT.CSI['l'] = function(parseState) { + for (var i = 0; i < parseState.args.length; i++) { + this.setANSIMode(parseState.args[i], false); + } +}; + +/** + * DEC Private Mode Reset (DECRST). + */ +hterm.VT.CSI['?l'] = function(parseState) { + for (var i = 0; i < parseState.args.length; i++) { + this.setDECMode(parseState.args[i], false); + } +}; + +/** + * Character Attributes (SGR). + * + * Iterate through the list of arguments, applying the following attribute + * changes based on the argument value... + * + * 0 Normal (default). + * 1 Bold. + * 2 Faint. + * 3 Italic (non-xterm). + * 4 Underlined. + * 5 Blink (appears as Bold). + * 7 Inverse. + * 8 Invisible, i.e., hidden (VT300). + * 9 Crossed out (ECMA-48). + * 22 Normal (neither bold nor faint). + * 23 Not italic (non-xterm). + * 24 Not underlined. + * 25 Steady (not blinking). + * 27 Positive (not inverse). + * 28 Visible, i.e., not hidden (VT300). + * 29 Not crossed out (ECMA-48). + * 30 Set foreground color to Black. + * 31 Set foreground color to Red. + * 32 Set foreground color to Green. + * 33 Set foreground color to Yellow. + * 34 Set foreground color to Blue. + * 35 Set foreground color to Magenta. + * 36 Set foreground color to Cyan. + * 37 Set foreground color to White. + * 39 Set foreground color to default (original). + * 40 Set background color to Black. + * 41 Set background color to Red. + * 42 Set background color to Green. + * 43 Set background color to Yellow. + * 44 Set background color to Blue. + * 45 Set background color to Magenta. + * 46 Set background color to Cyan. + * 47 Set background color to White. + * 49 Set background color to default (original) + * + * Non-xterm (italic) codes have mixed support, but are supported by both + * gnome-terminal and rxvt and are recognized as CSI codes on Wikipedia + * (http://en.wikipedia.org/wiki/ANSI_escape_code). + * + * For 16-color support, the following apply. + * + * 90 Set foreground color to Bright Black. + * 91 Set foreground color to Bright Red. + * 92 Set foreground color to Bright Green. + * 93 Set foreground color to Bright Yellow. + * 94 Set foreground color to Bright Blue. + * 95 Set foreground color to Bright Magenta. + * 96 Set foreground color to Bright Cyan. + * 97 Set foreground color to Bright White. + * 100 Set background color to Bright Black. + * 101 Set background color to Bright Red. + * 102 Set background color to Bright Green. + * 103 Set background color to Bright Yellow. + * 104 Set background color to Bright Blue. + * 105 Set background color to Bright Magenta. + * 106 Set background color to Bright Cyan. + * 107 Set background color to Bright White. + * + * For 88- or 256-color support, the following apply. + * 38 ; 5 ; P Set foreground color to P. + * 48 ; 5 ; P Set background color to P. + * + * For true color (24-bit) support, the following apply. + * 38 ; 2 ; R ; G ; B Set foreground color to rgb(R, G, B) + * 48 ; 2 ; R ; G ; B Set background color to rgb(R, G, B) + * + * Note that most terminals consider "bold" to be "bold and bright". In + * some documents the bold state is even referred to as bright. We interpret + * bold as bold-bright here too, but only when the "bold" setting comes before + * the color selection. + */ +hterm.VT.CSI['m'] = function(parseState) { + function get256(i) { + if (parseState.args.length < i + 2 || parseState.args[i + 1] != '5') + return null; + + return parseState.iarg(i + 2, 0); + } + + function getTrueColor(i) { + if (parseState.args.length < i + 5 || parseState.args[i + 1] != '2') + return null; + var r = parseState.iarg(i + 2, 0); + var g = parseState.iarg(i + 3, 0); + var b = parseState.iarg(i + 4, 0); + + return 'rgb(' + r + ' ,' + g + ' ,' + b + ')'; + } + + var attrs = this.terminal.getTextAttributes(); + + if (!parseState.args.length) { + attrs.reset(); + return; + } + + for (var i = 0; i < parseState.args.length; i++) { + var arg = parseState.iarg(i, 0); + + if (arg < 30) { + if (arg == 0) { + attrs.reset(); + } else if (arg == 1) { + attrs.bold = true; + } else if (arg == 2) { + attrs.faint = true; + } else if (arg == 3) { + attrs.italic = true; + } else if (arg == 4) { + attrs.underline = true; + } else if (arg == 5) { + attrs.blink = true; + } else if (arg == 7) { // Inverse. + attrs.inverse = true; + } else if (arg == 8) { // Invisible. + attrs.invisible = true; + } else if (arg == 9) { + attrs.strikethrough = true; + } else if (arg == 22) { + attrs.bold = false; + attrs.faint = false; + } else if (arg == 23) { + attrs.italic = false; + } else if (arg == 24) { + attrs.underline = false; + } else if (arg == 25) { + attrs.blink = false; + } else if (arg == 27) { + attrs.inverse = false; + } else if (arg == 28) { + attrs.invisible = false; + } else if (arg == 29) { + attrs.strikethrough = false; + } + + } else if (arg < 50) { + // Select fore/background color from bottom half of 16 color palette + // or from the 256 color palette or alternative specify color in fully + // qualified rgb(r, g, b) form. + if (arg < 38) { + attrs.foregroundSource = arg - 30; + + } else if (arg == 38) { + // First check for true color definition + var trueColor = getTrueColor(i); + if (trueColor != null) { + attrs.foregroundSource = attrs.SRC_RGB; + attrs.foreground = trueColor; + + i += 5; + } else { + // Check for 256 color + var c = get256(i); + if (c == null) + break; + + i += 2; + + if (c >= attrs.colorPalette.length) + continue; + + attrs.foregroundSource = c; + } + + } else if (arg == 39) { + attrs.foregroundSource = attrs.SRC_DEFAULT; + + } else if (arg < 48) { + attrs.backgroundSource = arg - 40; + + } else if (arg == 48) { + // First check for true color definition + var trueColor = getTrueColor(i); + if (trueColor != null) { + attrs.backgroundSource = attrs.SRC_RGB; + attrs.background = trueColor; + + i += 5; + } else { + // Check for 256 color + var c = get256(i); + if (c == null) + break; + + i += 2; + + if (c >= attrs.colorPalette.length) + continue; + + attrs.backgroundSource = c; + } + } else { + attrs.backgroundSource = attrs.SRC_DEFAULT; + } + + } else if (arg >= 90 && arg <= 97) { + attrs.foregroundSource = arg - 90 + 8; + + } else if (arg >= 100 && arg <= 107) { + attrs.backgroundSource = arg - 100 + 8; + } + } + + attrs.setDefaults(this.terminal.getForegroundColor(), + this.terminal.getBackgroundColor()); +}; + +/** + * Set xterm-specific keyboard modes. + * + * Will not implement. + */ +hterm.VT.CSI['>m'] = hterm.VT.ignore; + +/** + * Device Status Report (DSR, DEC Specific). + * + * 5 - Status Report. Result (OK) is CSI 0 n + * 6 - Report Cursor Position (CPR) [row;column]. Result is CSI r ; c R + */ +hterm.VT.CSI['n'] = function(parseState) { + if (parseState.args[0] == '5') { + this.terminal.io.sendString('\x1b0n'); + } else if (parseState.args[0] == '6') { + var row = this.terminal.getCursorRow() + 1; + var col = this.terminal.getCursorColumn() + 1; + this.terminal.io.sendString('\x1b[' + row + ';' + col + 'R'); + } +}; + +/** + * Disable modifiers which may be enabled via CSI['>m']. + * + * Will not implement. + */ +hterm.VT.CSI['>n'] = hterm.VT.ignore; + +/** + * Device Status Report (DSR, DEC Specific). + * + * 6 - Report Cursor Position (CPR) [row;column] as CSI ? r ; c R + * 15 - Report Printer status as CSI ? 1 0 n (ready) or + * CSI ? 1 1 n (not ready). + * 25 - Report UDK status as CSI ? 2 0 n (unlocked) or CSI ? 2 1 n (locked). + * 26 - Report Keyboard status as CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). + * The last two parameters apply to VT400 & up, and denote keyboard ready + * and LK01 respectively. + * 53 - Report Locator status as CSI ? 5 3 n Locator available, if compiled-in, + * or CSI ? 5 0 n No Locator, if not. + */ +hterm.VT.CSI['?n'] = function(parseState) { + if (parseState.args[0] == '6') { + var row = this.terminal.getCursorRow() + 1; + var col = this.terminal.getCursorColumn() + 1; + this.terminal.io.sendString('\x1b[' + row + ';' + col + 'R'); + } else if (parseState.args[0] == '15') { + this.terminal.io.sendString('\x1b[?11n'); + } else if (parseState.args[0] == '25') { + this.terminal.io.sendString('\x1b[?21n'); + } else if (parseState.args[0] == '26') { + this.terminal.io.sendString('\x1b[?12;1;0;0n'); + } else if (parseState.args[0] == '53') { + this.terminal.io.sendString('\x1b[?50n'); + } +}; + +/** + * This is used by xterm to decide whether to hide the pointer cursor as the + * user types. + * + * Valid values for the parameter: + * 0 - Never hide the pointer. + * 1 - Hide if the mouse tracking mode is not enabled. + * 2 - Always hide the pointer. + * + * If no parameter is given, xterm uses the default, which is 1. + * + * Not currently implemented. + */ +hterm.VT.CSI['>p'] = hterm.VT.ignore; + +/** + * Soft terminal reset (DECSTR). + */ +hterm.VT.CSI['!p'] = function() { + this.reset(); + this.terminal.softReset(); +}; + +/** + * Request ANSI Mode (DECRQM). + * + * Not currently implemented. + */ +hterm.VT.CSI['$p'] = hterm.VT.ignore; +hterm.VT.CSI['?$p'] = hterm.VT.ignore; + +/** + * Set conformance level (DECSCL). + * + * Not currently implemented. + */ +hterm.VT.CSI['"p'] = hterm.VT.ignore; + +/** + * Load LEDs (DECLL). + * + * Not currently implemented. Could be implemented as virtual LEDs overlaying + * the terminal if anyone cares. + */ +hterm.VT.CSI['q'] = hterm.VT.ignore; + +/** + * Set cursor style (DECSCUSR, VT520). + * + * 0 - Blinking block. + * 1 - Blinking block (default). + * 2 - Steady block. + * 3 - Blinking underline. + * 4 - Steady underline. + */ +hterm.VT.CSI[' q'] = function(parseState) { + var arg = parseState.args[0]; + + if (arg == '0' || arg == '1') { + this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK); + this.terminal.setCursorBlink(true); + } else if (arg == '2') { + this.terminal.setCursorShape(hterm.Terminal.cursorShape.BLOCK); + this.terminal.setCursorBlink(false); + } else if (arg == '3') { + this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE); + this.terminal.setCursorBlink(true); + } else if (arg == '4') { + this.terminal.setCursorShape(hterm.Terminal.cursorShape.UNDERLINE); + this.terminal.setCursorBlink(false); + } else { + console.warn('Unknown cursor style: ' + arg); + } +}; + +/** + * Select character protection attribute (DECSCA). + * + * Will not implement. + */ +hterm.VT.CSI['"q'] = hterm.VT.ignore; + +/** + * Set Scrolling Region (DECSTBM). + */ +hterm.VT.CSI['r'] = function(parseState) { + var args = parseState.args; + var scrollTop = args[0] ? parseInt(args[0], 10) -1 : null; + var scrollBottom = args[1] ? parseInt(args[1], 10) - 1 : null; + this.terminal.setVTScrollRegion(scrollTop, scrollBottom); + this.terminal.setCursorPosition(0, 0); +}; + +/** + * Restore DEC Private Mode Values. + * + * Will not implement. + */ +hterm.VT.CSI['?r'] = hterm.VT.ignore; + +/** + * Change Attributes in Rectangular Area (DECCARA) + * + * Will not implement. + */ +hterm.VT.CSI['$r'] = hterm.VT.ignore; + +/** + * Save cursor (ANSI.SYS) + */ +hterm.VT.CSI['s'] = function() { + this.savedState_.save(); +}; + +/** + * Save DEC Private Mode Values. + * + * Will not implement. + */ +hterm.VT.CSI['?s'] = hterm.VT.ignore; + +/** + * Window manipulation (from dtterm, as well as extensions). + * + * Will not implement. + */ +hterm.VT.CSI['t'] = hterm.VT.ignore; + +/** + * Reverse Attributes in Rectangular Area (DECRARA). + * + * Will not implement. + */ +hterm.VT.CSI['$t'] = hterm.VT.ignore; + +/** + * Set one or more features of the title modes. + * + * Will not implement. + */ +hterm.VT.CSI['>t'] = hterm.VT.ignore; + +/** + * Set warning-bell volume (DECSWBV, VT520). + * + * Will not implement. + */ +hterm.VT.CSI[' t'] = hterm.VT.ignore; + +/** + * Restore cursor (ANSI.SYS). + */ +hterm.VT.CSI['u'] = function() { + this.savedState_.restore(); +}; + +/** + * Set margin-bell volume (DECSMBV, VT520). + * + * Will not implement. + */ +hterm.VT.CSI[' u'] = hterm.VT.ignore; + +/** + * Copy Rectangular Area (DECCRA, VT400 and up). + * + * Will not implement. + */ +hterm.VT.CSI['$v'] = hterm.VT.ignore; + +/** + * Enable Filter Rectangle (DECEFR). + * + * Will not implement. + */ +hterm.VT.CSI['\'w'] = hterm.VT.ignore; + +/** + * Request Terminal Parameters (DECREQTPARM). + * + * Not currently implemented. + */ +hterm.VT.CSI['x'] = hterm.VT.ignore; + +/** + * Select Attribute Change Extent (DECSACE). + * + * Will not implement. + */ +hterm.VT.CSI['*x'] = hterm.VT.ignore; + +/** + * Fill Rectangular Area (DECFRA), VT420 and up. + * + * Will not implement. + */ +hterm.VT.CSI['$x'] = hterm.VT.ignore; + +/** + * vt_tiledata (as used by NAOhack and UnNetHack) + * (see http://nethackwiki.com/wiki/Vt_tiledata for more info) + * + * Implemented as far as we care (start a glyph and end a glyph). + */ +hterm.VT.CSI['z'] = function(parseState) { + if (parseState.args.length < 1) + return; + var arg = parseState.args[0]; + if (arg == '0') { + // Start a glyph (one parameter, the glyph number). + if (parseState.args.length < 2) + return; + this.terminal.getTextAttributes().tileData = parseState.args[1]; + } else if (arg == '1') { + // End a glyph. + this.terminal.getTextAttributes().tileData = null; + } +}; + +/** + * Enable Locator Reporting (DECELR). + * + * Not currently implemented. + */ +hterm.VT.CSI['\'z'] = hterm.VT.ignore; + +/** + * Erase Rectangular Area (DECERA), VT400 and up. + * + * Will not implement. + */ +hterm.VT.CSI['$z'] = hterm.VT.ignore; + +/** + * Select Locator Events (DECSLE). + * + * Not currently implemented. + */ +hterm.VT.CSI['\'{'] = hterm.VT.ignore; + +/** + * Request Locator Position (DECRQLP). + * + * Not currently implemented. + */ +hterm.VT.CSI['\'|'] = hterm.VT.ignore; + +/** + * Insert Columns (DECIC), VT420 and up. + * + * Will not implement. + */ +hterm.VT.CSI[' }'] = hterm.VT.ignore; + +/** + * Delete P s Columns (DECDC), VT420 and up. + * + * Will not implement. + */ +hterm.VT.CSI[' ~'] = hterm.VT.ignore; +// SOURCE FILE: hterm/js/hterm_vt_character_map.js +// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +'use strict'; + +lib.rtdep('lib.f'); + +/** + * Character map object. + * + * @param {object} The GL mapping from input characters to output characters. + * The GR mapping will be automatically created. + */ +hterm.VT.CharacterMap = function(name, glmap) { + /** + * Short name for this character set, useful for debugging. + */ + this.name = name; + + /** + * The function to call to when this map is installed in GL. + */ + this.GL = null; + + /** + * The function to call to when this map is installed in GR. + */ + this.GR = null; + + if (glmap) + this.reset(glmap); +}; + +/** + * @param {object} The GL mapping from input characters to output characters. + * The GR mapping will be automatically created. + */ +hterm.VT.CharacterMap.prototype.reset = function(glmap) { + // Set the the GL mapping. + this.glmap = glmap; + + var glkeys = Object.keys(this.glmap).map(function(key) { + return '\\x' + lib.f.zpad(key.charCodeAt(0).toString(16)); + }); + + this.glre = new RegExp('[' + glkeys.join('') + ']', 'g'); + + // Compute the GR mapping. + // This is the same as GL except all keys have their MSB set. + this.grmap = {}; + + glkeys.forEach(function(glkey) { + var grkey = String.fromCharCode(glkey.charCodeAt(0) & 0x80); + this.grmap[grkey] = this.glmap[glkey]; + }.bind(this)); + + var grkeys = Object.keys(this.grmap).map(function(key) { + return '\\x' + lib.f.zpad(key.charCodeAt(0).toString(16), 2); + }); + + this.grre = new RegExp('[' + grkeys.join('') + ']', 'g'); + + this.GL = function(str) { + return str.replace(this.glre, + function(ch) { return this.glmap[ch] }.bind(this)); + }.bind(this); + + this.GR = function(str) { + return str.replace(this.grre, + function(ch) { return this.grmap[ch] }.bind(this)); + }.bind(this); +}; + +/** + * Mapping from received to display character, used depending on the active + * VT character set. + */ +hterm.VT.CharacterMap.maps = {}; + +/** + * VT100 Graphic character map. + * http://vt100.net/docs/vt220-rm/table2-4.html + */ +hterm.VT.CharacterMap.maps['0'] = new hterm.VT.CharacterMap( + 'graphic', { + '\x60':'\u25c6', // ` -> diamond + '\x61':'\u2592', // a -> grey-box + '\x62':'\u2409', // b -> h/t + '\x63':'\u240c', // c -> f/f + '\x64':'\u240d', // d -> c/r + '\x65':'\u240a', // e -> l/f + '\x66':'\u00b0', // f -> degree + '\x67':'\u00b1', // g -> +/- + '\x68':'\u2424', // h -> n/l + '\x69':'\u240b', // i -> v/t + '\x6a':'\u2518', // j -> bottom-right + '\x6b':'\u2510', // k -> top-right + '\x6c':'\u250c', // l -> top-left + '\x6d':'\u2514', // m -> bottom-left + '\x6e':'\u253c', // n -> line-cross + '\x6f':'\u23ba', // o -> scan1 + '\x70':'\u23bb', // p -> scan3 + '\x71':'\u2500', // q -> scan5 + '\x72':'\u23bc', // r -> scan7 + '\x73':'\u23bd', // s -> scan9 + '\x74':'\u251c', // t -> left-tee + '\x75':'\u2524', // u -> right-tee + '\x76':'\u2534', // v -> bottom-tee + '\x77':'\u252c', // w -> top-tee + '\x78':'\u2502', // x -> vertical-line + '\x79':'\u2264', // y -> less-equal + '\x7a':'\u2265', // z -> greater-equal + '\x7b':'\u03c0', // { -> pi + '\x7c':'\u2260', // | -> not-equal + '\x7d':'\u00a3', // } -> british-pound + '\x7e':'\u00b7', // ~ -> dot + }); + +/** + * British character map. + * http://vt100.net/docs/vt220-rm/table2-5.html + */ +hterm.VT.CharacterMap.maps['A'] = new hterm.VT.CharacterMap( + 'british', { + '\x23': '\u00a3', // # -> british-pound + }); + +/** + * US ASCII map, no changes. + */ +hterm.VT.CharacterMap.maps['B'] = new hterm.VT.CharacterMap( + 'us', null); + +/** + * Dutch character map. + * http://vt100.net/docs/vt220-rm/table2-6.html + */ +hterm.VT.CharacterMap.maps['4'] = new hterm.VT.CharacterMap( + 'dutch', { + '\x23': '\u00a3', // # -> british-pound + + '\x40': '\u00be', // @ -> 3/4 + + '\x5b': '\u0132', // [ -> 'ij' ligature (xterm goes with \u00ff?) + '\x5c': '\u00bd', // \ -> 1/2 + '\x5d': '\u007c', // ] -> vertical bar + + '\x7b': '\u00a8', // { -> two dots + '\x7c': '\u0066', // | -> f + '\x7d': '\u00bc', // } -> 1/4 + '\x7e': '\u00b4', // ~ -> acute + }); + +/** + * Finnish character map. + * http://vt100.net/docs/vt220-rm/table2-7.html + */ +hterm.VT.CharacterMap.maps['C'] = +hterm.VT.CharacterMap.maps['5'] = new hterm.VT.CharacterMap( + 'finnish', { + '\x5b': '\u00c4', // [ -> 'A' umlaut + '\x5c': '\u00d6', // \ -> 'O' umlaut + '\x5d': '\u00c5', // ] -> 'A' ring + '\x5e': '\u00dc', // ~ -> 'u' umlaut + + '\x60': '\u00e9', // ` -> 'e' acute + + '\x7b': '\u00e4', // { -> 'a' umlaut + '\x7c': '\u00f6', // | -> 'o' umlaut + '\x7d': '\u00e5', // } -> 'a' ring + '\x7e': '\u00fc', // ~ -> 'u' umlaut + }); + +/** + * French character map. + * http://vt100.net/docs/vt220-rm/table2-8.html + */ +hterm.VT.CharacterMap.maps['R'] = new hterm.VT.CharacterMap( + 'french', { + '\x23': '\u00a3', // # -> british-pound + + '\x40': '\u00e0', // @ -> 'a' grave + + '\x5b': '\u00b0', // [ -> ring + '\x5c': '\u00e7', // \ -> 'c' cedilla + '\x5d': '\u00a7', // ] -> section symbol (double s) + + '\x7b': '\u00e9', // { -> 'e' acute + '\x7c': '\u00f9', // | -> 'u' grave + '\x7d': '\u00e8', // } -> 'e' grave + '\x7e': '\u00a8', // ~ -> umlaut + }); + +/** + * French Canadian character map. + * http://vt100.net/docs/vt220-rm/table2-9.html + */ +hterm.VT.CharacterMap.maps['Q'] = new hterm.VT.CharacterMap( + 'french canadian', { + '\x40': '\u00e0', // @ -> 'a' grave + + '\x5b': '\u00e2', // [ -> 'a' circumflex + '\x5c': '\u00e7', // \ -> 'c' cedilla + '\x5d': '\u00ea', // ] -> 'e' circumflex + '\x5e': '\u00ee', // ^ -> 'i' circumflex + + '\x60': '\u00f4', // ` -> 'o' circumflex + + '\x7b': '\u00e9', // { -> 'e' acute + '\x7c': '\u00f9', // | -> 'u' grave + '\x7d': '\u00e8', // } -> 'e' grave + '\x7e': '\u00fb', // ~ -> 'u' circumflex + }); + +/** + * German character map. + * http://vt100.net/docs/vt220-rm/table2-10.html + */ +hterm.VT.CharacterMap.maps['K'] = new hterm.VT.CharacterMap( + 'german', { + '\x40': '\u00a7', // @ -> section symbol (double s) + + '\x5b': '\u00c4', // [ -> 'A' umlaut + '\x5c': '\u00d6', // \ -> 'O' umlaut + '\x5d': '\u00dc', // ] -> 'U' umlaut + + '\x7b': '\u00e4', // { -> 'a' umlaut + '\x7c': '\u00f6', // | -> 'o' umlaut + '\x7d': '\u00fc', // } -> 'u' umlaut + '\x7e': '\u00df', // ~ -> eszett + }); + +/** + * Italian character map. + * http://vt100.net/docs/vt220-rm/table2-11.html + */ +hterm.VT.CharacterMap.maps['Y'] = new hterm.VT.CharacterMap( + 'italian', { + '\x23': '\u00a3', // # -> british-pound + + '\x40': '\u00a7', // @ -> section symbol (double s) + + '\x5b': '\u00b0', // [ -> ring + '\x5c': '\u00e7', // \ -> 'c' cedilla + '\x5d': '\u00e9', // ] -> 'e' acute + + '\x60': '\u00f9', // ` -> 'u' grave + + '\x7b': '\u00e0', // { -> 'a' grave + '\x7c': '\u00f2', // | -> 'o' grave + '\x7d': '\u00e8', // } -> 'e' grave + '\x7e': '\u00ec', // ~ -> 'i' grave + }); + +/** + * Norwegian/Danish character map. + * http://vt100.net/docs/vt220-rm/table2-12.html + */ +hterm.VT.CharacterMap.maps['E'] = +hterm.VT.CharacterMap.maps['6'] = new hterm.VT.CharacterMap( + 'norwegian/danish', { + '\x40': '\u00c4', // @ -> 'A' umlaut + + '\x5b': '\u00c6', // [ -> 'AE' ligature + '\x5c': '\u00d8', // \ -> 'O' stroke + '\x5d': '\u00c5', // ] -> 'A' ring + '\x5e': '\u00dc', // ^ -> 'U' umlaut + + '\x60': '\u00e4', // ` -> 'a' umlaut + + '\x7b': '\u00e6', // { -> 'ae' ligature + '\x7c': '\u00f8', // | -> 'o' stroke + '\x7d': '\u00e5', // } -> 'a' ring + '\x7e': '\u00fc', // ~ -> 'u' umlaut + }); + +/** + * Spanish character map. + * http://vt100.net/docs/vt220-rm/table2-13.html + */ +hterm.VT.CharacterMap.maps['Z'] = new hterm.VT.CharacterMap( + 'spanish', { + '\x23': '\u00a3', // # -> british-pound + + '\x40': '\u00a7', // @ -> section symbol (double s) + + '\x5b': '\u00a1', // [ -> '!' inverted + '\x5c': '\u00d1', // \ -> 'N' tilde + '\x5d': '\u00bf', // ] -> '?' inverted + + '\x7b': '\u00b0', // { -> ring + '\x7c': '\u00f1', // | -> 'n' tilde + '\x7d': '\u00e7', // } -> 'c' cedilla + }); + +/** + * Swedish character map. + * http://vt100.net/docs/vt220-rm/table2-14.html + */ +hterm.VT.CharacterMap.maps['7'] = +hterm.VT.CharacterMap.maps['H'] = new hterm.VT.CharacterMap( + 'swedish', { + '\x40': '\u00c9', // @ -> 'E' acute + + '\x5b': '\u00c4', // [ -> 'A' umlaut + '\x5c': '\u00d6', // \ -> 'O' umlaut + '\x5d': '\u00c5', // ] -> 'A' ring + '\x5e': '\u00dc', // ^ -> 'U' umlaut + + '\x60': '\u00e9', // ` -> 'e' acute + + '\x7b': '\u00e4', // { -> 'a' umlaut + '\x7c': '\u00f6', // | -> 'o' umlaut + '\x7d': '\u00e5', // } -> 'a' ring + '\x7e': '\u00fc', // ~ -> 'u' umlaut + }); + +/** + * Swiss character map. + * http://vt100.net/docs/vt220-rm/table2-15.html + */ +hterm.VT.CharacterMap.maps['='] = new hterm.VT.CharacterMap( + 'swiss', { + '\x23': '\u00f9', // # -> 'u' grave + + '\x40': '\u00e0', // @ -> 'a' grave + + '\x5b': '\u00e9', // [ -> 'e' acute + '\x5c': '\u00e7', // \ -> 'c' cedilla + 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+lib.resource.add('hterm/changelog/version', 'text/plain', +'1.54' + +'' +); + +lib.resource.add('hterm/changelog/date', 'text/plain', +'2015-03-19' + +'' +); + +lib.resource.add('hterm/git/HEAD', 'text/plain', +'5db5b0ceefff97ce8b7a97edd3f5ba6857db54cf' + +'' +); + + diff --git a/src/wetty.js b/src/wetty.js index e31bcac..4bb10d8 100644 --- a/src/wetty.js +++ b/src/wetty.js @@ -41,10 +41,11 @@ socket.on('connect', () => { term.prefs_.set('use-default-window-copy', true); term.prefs_.set('send-encoding', 'raw'); term.prefs_.set('receive-encoding', 'raw'); + term.prefs_.set('font-size', 14); term.scrollPort_.screen_.setAttribute('spellcheck', 'false'); term.scrollPort_.screen_.setAttribute('autocorrect', 'false'); term.scrollPort_.screen_.setAttribute('autocomplete', 'false'); - term.scrollPort_.screen_.setAttribute('contenteditable', 'true'); + term.scrollPort_.screen_.setAttribute('contenteditable', 'false'); term.runCommandClass(Wetty, document.location.hash.substr(1)); socket.emit('resize', { diff --git a/wetty.js b/wetty.js index e8110a7..c9a338d 100644 --- a/wetty.js +++ b/wetty.js @@ -46,7 +46,7 @@ export default (port, globalsshuser, sshhost, sshport, sshauth, sslopts) => { const match = request.headers.referer.match('.+/ssh/.+$'); const sshAddress = globalsshuser ? `${globalsshuser}@${sshhost}` : sshhost; const ssh = match ? `${match[0].split('/ssh/').pop()}@${sshhost}` : sshAddress; - const cmd = process.getuid() === 0 && sshhost === 'localhost' ? '/bin/login' : './bin/ssh'; + const cmd = process.getuid() === 0 && sshhost === 'localhost' ? '/usr/bin/login' : './bin/ssh'; const args = cmd === './bin/ssh' ? [ssh, '-p', sshport, '-o', `PreferredAuthentications=${sshauth}`]