feat(material-experimental/theming): add M3 grid-list support (#28131)

Author: mmalerba

src/dev-app/theme-m3.scss

@@ -39,6 +39,7 @@ html {
   @include mat.card-theme($light-theme);
   @include mat.checkbox-theme($light-theme);
   @include mat.form-field-theme($light-theme);
+  @include mat.grid-list-theme($light-theme);
   @include mat.input-theme($light-theme);
   @include mat.list-theme($light-theme);
   @include mat.progress-bar-theme($light-theme);
@@ -66,6 +67,7 @@ html {
   @include mat.card-color($dark-theme);
   @include mat.checkbox-color($dark-theme);
   @include mat.form-field-color($dark-theme);
+  @include mat.grid-list-color($dark-theme);
   @include mat.input-color($dark-theme);
   @include mat.list-color($dark-theme);
   @include mat.progress-bar-color($dark-theme);
@@ -92,6 +94,7 @@ html {
     @include mat.card-density($scale-theme);
     @include mat.checkbox-density($scale-theme);
     @include mat.form-field-density($scale-theme);
+    @include mat.grid-list-density($scale-theme);
     @include mat.input-density($scale-theme);
     @include mat.list-density($scale-theme);
     @include mat.progress-bar-density($scale-theme);

src/material-experimental/theming/_custom-tokens.scss

@@ -62,6 +62,19 @@
   );
 }
 
+/// Generates custom tokens for the mat-grid-list.
+/// @param {Map} $systems The MDC system tokens
+/// @param {Boolean} $exclude-hardcoded Whether to exclude hardcoded token values
+/// @return {Map} A set of custom tokens for the mat-grid-list
+@function grid-list($systems, $exclude-hardcoded) {
+  @return (
+    tile-header-primary-text-size: map.get($systems, md-sys-typescale, body-large),
+    tile-header-secondary-text-size: map.get($systems, md-sys-typescale, body-medium),
+    tile-footer-primary-text-size: map.get($systems, md-sys-typescale, body-large),
+    tile-footer-secondary-text-size: map.get($systems, md-sys-typescale, body-medium),
+  );
+}
+
 /// Generates custom tokens for the mat-toolbar.
 /// @param {Map} $systems The MDC system tokens
 /// @param {Boolean} $exclude-hardcoded Whether to exclude hardcoded token values

src/material-experimental/theming/_m3-density.scss

@@ -45,6 +45,7 @@ $_density-tokens: (
   // Custom Angular Material tokens
   (mat, card): (),
   (mat, form-fild): (),
+  (mat, grid-list): (),
   (mat, toolbar): (
     standard-height: (64px, 60px, 56px, 52px),
     mobile-height: (56px, 52px, 48px, 44px),

src/material-experimental/theming/_m3-tokens.scss

@@ -259,6 +259,11 @@
       custom-tokens.form-field($systems, $exclude-hardcoded),
       $token-slots
     ),
+    _namespace-tokens(
+      (mat, grid-list),
+      custom-tokens.grid-list($systems, $exclude-hardcoded),
+      $token-slots
+    ),
     _namespace-tokens(
       (mat, toolbar),
       custom-tokens.toolbar($systems, $exclude-hardcoded),

src/material/core/tokens/m2/_index.scss

@@ -3,6 +3,7 @@
 @use '../../style/sass-utils';
 @use './mat/card' as tokens-mat-card;
 @use './mat/form-field' as tokens-mat-form-field;
+@use './mat/grid-list' as tokens-mat-grid-list;
 @use './mat/radio' as tokens-mat-radio;
 @use './mat/ripple' as tokens-mat-ripple;
 @use './mat/slide-toggle' as tokens-mat-slide-toggle;
@@ -78,6 +79,7 @@
   @return sass-utils.deep-merge-all(
       _get-tokens-for-module($theme, tokens-mat-card),
       _get-tokens-for-module($theme, tokens-mat-form-field),
+      _get-tokens-for-module($theme, tokens-mat-grid-list),
       _get-tokens-for-module($theme, tokens-mat-radio),
       _get-tokens-for-module($theme, tokens-mat-ripple),
       _get-tokens-for-module($theme, tokens-mat-slide-toggle),

src/material/grid-list/_grid-list-theme.scss

@@ -1,35 +1,68 @@
+@use 'sass:map';
 @use '../core/theming/theming';
 @use '../core/theming/inspection';
 @use '../core/typography/typography';
 @use '../core/tokens/m2/mat/grid-list' as tokens-mat-grid-list;
 @use '../core/style/sass-utils';
 @use '../core/tokens/token-utils';
 
-@mixin base($theme) {}
+@mixin base($theme) {
+  @if inspection.get-theme-version($theme) == 1 {
+    @include _theme-from-tokens(inspection.get-theme-tokens($theme, base));
+  }
+  @else {}
+}
 
 // Include this empty mixin for consistency with the other components.
-@mixin color($theme) {}
+@mixin color($theme) {
+  @if inspection.get-theme-version($theme) == 1 {
+    @include _theme-from-tokens(inspection.get-theme-tokens($theme, color));
+  }
+  @else {}
+}
 
 @mixin typography($theme) {
-  @include sass-utils.current-selector-or-root() {
-    @include token-utils.create-token-values(tokens-mat-grid-list.$prefix,
-      tokens-mat-grid-list.get-typography-tokens($theme));
+  @if inspection.get-theme-version($theme) == 1 {
+    @include _theme-from-tokens(inspection.get-theme-tokens($theme, typography));
+  }
+  @else {
+    @include sass-utils.current-selector-or-root() {
+      @include token-utils.create-token-values(tokens-mat-grid-list.$prefix,
+        tokens-mat-grid-list.get-typography-tokens($theme));
+    }
   }
 }
 
-@mixin density($theme) {}
+@mixin density($theme) {
+  @if inspection.get-theme-version($theme) == 1 {
+    @include _theme-from-tokens(inspection.get-theme-tokens($theme, density));
+  }
+  @else {}
+}
 
 @mixin theme($theme) {
   @include theming.private-check-duplicate-theme-styles($theme, 'mat-grid-list') {
-    @include base($theme);
-    @if inspection.theme-has($theme, color) {
-      @include color($theme);
-    }
-    @if inspection.theme-has($theme, density) {
-      @include density($theme);
+    @if inspection.get-theme-version($theme) == 1 {
+      @include _theme-from-tokens(inspection.get-theme-tokens($theme));
     }
-    @if inspection.theme-has($theme, typography) {
-      @include typography($theme);
+    @else {
+      @include base($theme);
+      @if inspection.theme-has($theme, color) {
+        @include color($theme);
+      }
+      @if inspection.theme-has($theme, density) {
+        @include density($theme);
+      }
+      @if inspection.theme-has($theme, typography) {
+        @include typography($theme);
+      }
     }
   }
 }
+
+@mixin _theme-from-tokens($tokens) {
+  @if ($tokens != ()) {
+    @include token-utils.create-token-values(
+        tokens-mat-grid-list.$prefix, map.get($tokens, tokens-mat-grid-list.$prefix));
+  }
+}