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@use 'sass:map';
@use 'sass:list';
@use '../core/tokens/m3-utils';
@use '../core/style/elevation';
@use '../core/theming/theming';
@use '../core/tokens/m3';
/// Generates custom tokens for the mat-fab.
@function get-tokens($theme: m3.$sys-theme, $color-variant: null) {
$system: m3-utils.get-system($theme);
$touch-target-size: 48px;
@if $color-variant {
$system: m3-utils.replace-colors-with-variant($system, primary, $color-variant);
}
$tokens: (
base: (
fab-container-shape: map.get($system, corner-large),
fab-extended-container-height: 56px,
fab-extended-container-shape: map.get($system, corner-large),
fab-small-container-shape: map.get($system, corner-medium),
fab-touch-target-display: null,
fab-touch-target-size: $touch-target-size,
fab-small-touch-target-size: $touch-target-size,
),
color: (
fab-container-color: map.get($system, primary-container),
fab-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level3)),
fab-disabled-state-container-color:
m3-utils.color-with-opacity(map.get($system, on-surface), 12%),
fab-disabled-state-foreground-color:
m3-utils.color-with-opacity(map.get($system, on-surface), 38%),
fab-extended-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level3)),
fab-extended-focus-container-elevation-shadow:
elevation.get-box-shadow(map.get($system, level3)),
fab-extended-hover-container-elevation-shadow:
elevation.get-box-shadow(map.get($system, level4)),
fab-extended-pressed-container-elevation-shadow: map.get($system, level3),
fab-focus-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level3)),
fab-focus-state-layer-opacity: map.get($system, focus-state-layer-opacity),
fab-foreground-color: map.get($system, on-primary-container),
fab-hover-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level4)),
fab-hover-state-layer-opacity: map.get($system, hover-state-layer-opacity),
fab-pressed-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level3)),
fab-pressed-state-layer-opacity: map.get($system, pressed-state-layer-opacity),
fab-ripple-color: m3-utils.color-with-opacity(
map.get($system, on-primary-container), map.get($system, pressed-state-layer-opacity)),
fab-small-container-color: map.get($system, primary-container),
fab-small-container-elevation-shadow: elevation.get-box-shadow(map.get($system, level3)),
fab-small-disabled-state-container-color:
m3-utils.color-with-opacity(map.get($system, on-surface), 12%),
fab-small-disabled-state-foreground-color:
m3-utils.color-with-opacity(map.get($system, on-surface), 38%),
fab-small-focus-container-elevation-shadow:
elevation.get-box-shadow(map.get($system, level3)),
fab-small-focus-state-layer-opacity: map.get($system, focus-state-layer-opacity),
fab-small-foreground-color: map.get($system, on-primary-container),
fab-small-hover-container-elevation-shadow:
elevation.get-box-shadow(map.get($system, level4)),
fab-small-hover-state-layer-opacity: map.get($system, hover-state-layer-opacity),
fab-small-pressed-container-elevation-shadow:
elevation.get-box-shadow(map.get($system, level3)),
fab-small-pressed-state-layer-opacity: map.get($system, pressed-state-layer-opacity),
fab-small-ripple-color: m3-utils.color-with-opacity(
map.get($system, on-primary-container), map.get($system, pressed-state-layer-opacity)),
fab-small-state-layer-color: map.get($system, on-primary-container),
fab-state-layer-color: map.get($system, on-primary-container),
fab-disabled-state-layer-color: null,
fab-small-disabled-state-layer-color: null,
),
typography: (
fab-extended-label-text-font: map.get($system, label-large-font),
fab-extended-label-text-size: map.get($system, label-large-size),
fab-extended-label-text-tracking: map.get($system, label-large-tracking),
fab-extended-label-text-weight: map.get($system, label-large-weight),
),
density: get-density-tokens(map.get($system, density-scale)),
);
@return $tokens;
}
// Tokens that can be configured through Angular Material's density theming API.
@function get-density-tokens($scale) {
$scale: theming.clamp-density($scale, -3);
$index: ($scale * -1) + 1;
@return (
fab-small-touch-target-display: null,
fab-touch-target-display: list.nth((block, block, none, none), $index),
);
}