refactor: inject platform helper

lib/game/behaviors/character_selection_behavior.dart

@@ -2,6 +2,8 @@ import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+import 'package:platform_helper/platform_helper.dart';
 
 /// Updates the [ArcadeBackground] and launch [Ball] to reflect character
 /// selections.
@@ -11,12 +13,14 @@ class CharacterSelectionBehavior extends Component
         HasGameRef {
   @override
   void onNewState(CharacterThemeState state) {
-    gameRef
-        .descendants()
-        .whereType<ArcadeBackground>()
-        .single
-        .bloc
-        .onCharacterSelected(state.characterTheme);
+    if (!readProvider<PlatformHelper>().isMobile) {
+      gameRef
+          .descendants()
+          .whereType<ArcadeBackground>()
+          .single
+          .bloc
+          .onCharacterSelected(state.characterTheme);
+    }
     gameRef
         .descendants()
         .whereType<Ball>()

lib/game/pinball_game.dart

@@ -26,11 +26,13 @@ class PinballGame extends PinballForge2DGame
     required GameBloc gameBloc,
     required AppLocalizations l10n,
     required PinballAudioPlayer audioPlayer,
+    required PlatformHelper platformHelper,
   })  : focusNode = FocusNode(),
         _gameBloc = gameBloc,
         _audioPlayer = audioPlayer,
         _characterThemeBloc = characterThemeBloc,
         _l10n = l10n,
+        _platformHelper = platformHelper,
         super(
           gravity: Vector2(0, 30),
         ) {
@@ -58,6 +60,8 @@ class PinballGame extends PinballForge2DGame
 
   final AppLocalizations _l10n;
 
+  final PlatformHelper _platformHelper;
+
   final GameBloc _gameBloc;
 
   List<LeaderboardEntryData>? _entries;
@@ -91,6 +95,7 @@ class PinballGame extends PinballForge2DGame
               FlameProvider<LeaderboardRepository>.value(leaderboardRepository),
               FlameProvider<ShareRepository>.value(shareRepository),
               FlameProvider<AppLocalizations>.value(_l10n),
+              FlameProvider<PlatformHelper>.value(_platformHelper),
             ],
             children: [
               BonusNoiseBehavior(),
@@ -107,7 +112,7 @@ class PinballGame extends PinballForge2DGame
                 children: [
                   ZCanvasComponent(
                     children: [
-                      if (!PlatformHelper().isMobile) ArcadeBackground(),
+                      if (!_platformHelper.isMobile) ArcadeBackground(),
                       BoardBackgroundSpriteComponent(),
                       Boundaries(),
                       Backbox(
@@ -198,6 +203,7 @@ class DebugPinballGame extends PinballGame with FPSCounter, PanDetector {
     required ShareRepository shareRepository,
     required AppLocalizations l10n,
     required PinballAudioPlayer audioPlayer,
+    required PlatformHelper platformHelper,
     required GameBloc gameBloc,
   }) : super(
           characterThemeBloc: characterThemeBloc,
@@ -205,6 +211,7 @@ class DebugPinballGame extends PinballGame with FPSCounter, PanDetector {
           leaderboardRepository: leaderboardRepository,
           shareRepository: shareRepository,
           l10n: l10n,
+          platformHelper: platformHelper,
           gameBloc: gameBloc,
         );
 

lib/game/view/pinball_game_page.dart

@@ -11,6 +11,7 @@ import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_ui/pinball_ui.dart';
+import 'package:platform_helper/platform_helper.dart';
 import 'package:share_repository/share_repository.dart';
 
 class PinballGamePage extends StatelessWidget {
@@ -27,6 +28,7 @@ class PinballGamePage extends StatelessWidget {
     final audioPlayer = context.read<PinballAudioPlayer>();
     final leaderboardRepository = context.read<LeaderboardRepository>();
     final shareRepository = context.read<ShareRepository>();
+    final platformHelper = PlatformHelper();
     final gameBloc = context.read<GameBloc>();
     final game = isDebugMode
         ? DebugPinballGame(
@@ -35,6 +37,7 @@ class PinballGamePage extends StatelessWidget {
             leaderboardRepository: leaderboardRepository,
             shareRepository: shareRepository,
             l10n: context.l10n,
+            platformHelper: platformHelper,
             gameBloc: gameBloc,
           )
         : PinballGame(
@@ -43,6 +46,7 @@ class PinballGamePage extends StatelessWidget {
             leaderboardRepository: leaderboardRepository,
             shareRepository: shareRepository,
             l10n: context.l10n,
+            platformHelper: platformHelper,
             gameBloc: gameBloc,
           );
 

test/game/behaviors/character_selection_behavior_test.dart

@@ -12,6 +12,7 @@ import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 import 'package:pinball_theme/pinball_theme.dart' as theme;
+import 'package:platform_helper/platform_helper.dart';
 
 class _TestGame extends Forge2DGame {
   @override
@@ -28,11 +29,17 @@ class _TestGame extends Forge2DGame {
   Future<void> pump(
     List<Component> children, {
     CharacterThemeCubit? characterThemeBloc,
+    PlatformHelper? platformHelper,
   }) async {
     await ensureAdd(
       FlameBlocProvider<CharacterThemeCubit, CharacterThemeState>.value(
         value: characterThemeBloc ?? CharacterThemeCubit(),
-        children: children,
+        children: [
+          FlameProvider.value(
+            platformHelper ?? _MockPlatformHelper(),
+            children: children,
+          ),
+        ],
       ),
     );
   }
@@ -43,6 +50,8 @@ class _MockBallCubit extends Mock implements BallCubit {}
 class _MockArcadeBackgroundCubit extends Mock implements ArcadeBackgroundCubit {
 }
 
+class _MockPlatformHelper extends Mock implements PlatformHelper {}
+
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
@@ -68,8 +77,45 @@ void main() {
       );
 
       flameTester.test(
-        'onNewState calls onCharacterSelected on the arcade background bloc',
+        'onNewState does not call onCharacterSelected on the arcade background '
+        'bloc when platform is mobile',
+        (game) async {
+          final platformHelper = _MockPlatformHelper();
+          when(() => platformHelper.isMobile).thenAnswer((_) => true);
+          final arcadeBackgroundBloc = _MockArcadeBackgroundCubit();
+          whenListen(
+            arcadeBackgroundBloc,
+            const Stream<ArcadeBackgroundState>.empty(),
+            initialState: const ArcadeBackgroundState.initial(),
+          );
+          final behavior = CharacterSelectionBehavior();
+          await game.pump(
+            [
+              behavior,
+              ZCanvasComponent(),
+              Plunger.test(compressionDistance: 10),
+              Ball.test(),
+            ],
+            platformHelper: platformHelper,
+          );
+
+          const dinoThemeState = CharacterThemeState(theme.DinoTheme());
+          behavior.onNewState(dinoThemeState);
+          await game.ready();
+
+          verifyNever(
+            () => arcadeBackgroundBloc
+                .onCharacterSelected(dinoThemeState.characterTheme),
+          );
+        },
+      );
+
+      flameTester.test(
+        'onNewState calls onCharacterSelected on the arcade background '
+        'bloc when platform is not mobile',
         (game) async {
+          final platformHelper = _MockPlatformHelper();
+          when(() => platformHelper.isMobile).thenAnswer((_) => false);
           final arcadeBackgroundBloc = _MockArcadeBackgroundCubit();
           whenListen(
             arcadeBackgroundBloc,
@@ -79,13 +125,16 @@ void main() {
           final arcadeBackground =
               ArcadeBackground.test(bloc: arcadeBackgroundBloc);
           final behavior = CharacterSelectionBehavior();
-          await game.pump([
-            arcadeBackground,
-            behavior,
-            ZCanvasComponent(),
-            Plunger.test(compressionDistance: 10),
-            Ball.test(),
-          ]);
+          await game.pump(
+            [
+              arcadeBackground,
+              behavior,
+              ZCanvasComponent(),
+              Plunger.test(compressionDistance: 10),
+              Ball.test(),
+            ],
+            platformHelper: platformHelper,
+          );
 
           const dinoThemeState = CharacterThemeState(theme.DinoTheme());
           behavior.onNewState(dinoThemeState);
@@ -101,6 +150,8 @@ void main() {
       flameTester.test(
         'onNewState calls onCharacterSelected on the ball bloc',
         (game) async {
+          final platformHelper = _MockPlatformHelper();
+          when(() => platformHelper.isMobile).thenAnswer((_) => false);
           final ballBloc = _MockBallCubit();
           whenListen(
             ballBloc,
@@ -109,13 +160,16 @@ void main() {
           );
           final ball = Ball.test(bloc: ballBloc);
           final behavior = CharacterSelectionBehavior();
-          await game.pump([
-            ball,
-            behavior,
-            ZCanvasComponent(),
-            Plunger.test(compressionDistance: 10),
-            ArcadeBackground.test(),
-          ]);
+          await game.pump(
+            [
+              ball,
+              behavior,
+              ZCanvasComponent(),
+              Plunger.test(compressionDistance: 10),
+              ArcadeBackground.test(),
+            ],
+            platformHelper: platformHelper,
+          );
 
           const dinoThemeState = CharacterThemeState(theme.DinoTheme());
           behavior.onNewState(dinoThemeState);

test/game/pinball_game_test.dart

@@ -16,6 +16,7 @@ import 'package:pinball/game/game.dart';
 import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball_audio/src/pinball_audio.dart';
 import 'package:pinball_components/pinball_components.dart';
+import 'package:platform_helper/platform_helper.dart';
 import 'package:share_repository/share_repository.dart';
 
 class _TestPinballGame extends PinballGame {
@@ -27,6 +28,7 @@ class _TestPinballGame extends PinballGame {
           gameBloc: GameBloc(),
           l10n: _MockAppLocalizations(),
           audioPlayer: _MockPinballAudioPlayer(),
+          platformHelper: _MockPlatformHelper(),
         );
 
   @override
@@ -47,6 +49,7 @@ class _TestDebugPinballGame extends DebugPinballGame {
           gameBloc: GameBloc(),
           l10n: _MockAppLocalizations(),
           audioPlayer: _MockPinballAudioPlayer(),
+          platformHelper: _MockPlatformHelper(),
         );
 
   @override
@@ -88,6 +91,11 @@ class _MockShareRepository extends Mock implements ShareRepository {}
 
 class _MockPinballAudioPlayer extends Mock implements PinballAudioPlayer {}
 
+class _MockPlatformHelper extends Mock implements PlatformHelper {
+  @override
+  bool get isMobile => false;
+}
+
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 

test/game/view/pinball_game_page_test.dart

@@ -15,6 +15,7 @@ import 'package:pinball/more_information/more_information.dart';
 import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_audio/pinball_audio.dart';
+import 'package:platform_helper/platform_helper.dart';
 import 'package:share_repository/share_repository.dart';
 
 import '../../helpers/helpers.dart';
@@ -28,6 +29,7 @@ class _TestPinballGame extends PinballGame {
           gameBloc: GameBloc(),
           l10n: _MockAppLocalizations(),
           audioPlayer: _MockPinballAudioPlayer(),
+          platformHelper: _MockPlatformHelper(),
         );
 
   @override
@@ -63,6 +65,11 @@ class _MockLeaderboardRepository extends Mock implements LeaderboardRepository {
 
 class _MockShareRepository extends Mock implements ShareRepository {}
 
+class _MockPlatformHelper extends Mock implements PlatformHelper {
+  @override
+  bool get isMobile => false;
+}
+
 void main() {
   final game = _TestPinballGame();