Add Material 3 support for ListTile - Part 1 (#116194)

* Add Material 3 support for `ListTile` - Part 1

* minor refactor

* Add `useMaterial3: false` to M2 tests

Author: TahaTesser

dev/tools/gen_defaults/bin/gen_defaults.dart

@@ -35,6 +35,7 @@ import 'package:gen_defaults/filter_chip_template.dart';
 import 'package:gen_defaults/icon_button_template.dart';
 import 'package:gen_defaults/input_chip_template.dart';
 import 'package:gen_defaults/input_decorator_template.dart';
+import 'package:gen_defaults/list_tile_template.dart';
 import 'package:gen_defaults/menu_template.dart';
 import 'package:gen_defaults/navigation_bar_template.dart';
 import 'package:gen_defaults/navigation_drawer_template.dart';
@@ -154,6 +155,7 @@ Future<void> main(List<String> args) async {
   FilterChipTemplate('FilterChip', '$materialLib/filter_chip.dart', tokens).updateFile();
   IconButtonTemplate('IconButton', '$materialLib/icon_button.dart', tokens).updateFile();
   InputChipTemplate('InputChip', '$materialLib/input_chip.dart', tokens).updateFile();
+  ListTileTemplate('LisTile', '$materialLib/list_tile.dart', tokens).updateFile();
   InputDecoratorTemplate('InputDecorator', '$materialLib/input_decorator.dart', tokens).updateFile();
   MenuTemplate('Menu', '$materialLib/menu_anchor.dart', tokens).updateFile();
   NavigationBarTemplate('NavigationBar', '$materialLib/navigation_bar.dart', tokens).updateFile();

dev/tools/gen_defaults/lib/list_tile_template.dart

@@ -0,0 +1,37 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'template.dart';
+
+class ListTileTemplate extends TokenTemplate {
+  const ListTileTemplate(super.blockName, super.fileName, super.tokens);
+
+  @override
+  String generate() => '''
+class _${blockName}DefaultsM3 extends ListTileThemeData {
+  const _${blockName}DefaultsM3(this.context)
+    : super(shape: ${shape("md.comp.list.list-item.container")});
+
+  final BuildContext context;
+
+  @override
+  Color? get tileColor => ${componentColor("md.comp.list.list-item.container")};
+
+  @override
+  TextStyle? get titleTextStyle => ${textStyle("md.comp.list.list-item.label-text")};
+
+  @override
+  TextStyle? get subtitleTextStyle => ${textStyle("md.comp.list.list-item.supporting-text")};
+
+  @override
+  TextStyle? get leadingAndTrailingTextStyle => ${textStyle("md.comp.list.list-item.trailing-supporting-text")};
+
+  @override
+  Color? get selectedColor => ${componentColor('md.comp.list.list-item.selected.trailing-icon')};
+
+  @override
+  Color? get iconColor => ${componentColor('md.comp.list.list-item.unselected.trailing-icon')};
+}
+''';
+}