added TimerInteractor

lib/interactors/timer_interactor.dart

@@ -0,0 +1,22 @@
+import 'package:lightmeter/data/haptics_service.dart';
+import 'package:lightmeter/data/shared_prefs_service.dart';
+
+class TimerInteractor {
+  final UserPreferencesService _userPreferencesService;
+  final HapticsService _hapticsService;
+
+  TimerInteractor(
+    this._userPreferencesService,
+    this._hapticsService,
+  );
+
+  /// Executes vibration if haptics are enabled in settings
+  Future<void> quickVibration() async {
+    if (_userPreferencesService.haptics) await _hapticsService.quickVibration();
+  }
+
+  /// Executes vibration if haptics are enabled in settings
+  Future<void> responseVibration() async {
+    if (_userPreferencesService.haptics) await _hapticsService.responseVibration();
+  }
+}

lib/screens/timer/bloc_timer.dart

@@ -1,30 +1,35 @@
 import 'dart:async';
 
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:lightmeter/interactors/metering_interactor.dart';
+import 'package:lightmeter/interactors/timer_interactor.dart';
 import 'package:lightmeter/screens/timer/event_timer.dart';
 import 'package:lightmeter/screens/timer/state_timer.dart';
 
 class TimerBloc extends Bloc<TimerEvent, TimerState> {
-  final MeteringInteractor _meteringInteractor;
+  final TimerInteractor _timerInteractor;
   final Duration duration;
 
-  TimerBloc(this._meteringInteractor, this.duration) : super(const TimerStoppedState()) {
+  TimerBloc(this._timerInteractor, this.duration) : super(const TimerStoppedState()) {
     on<StartTimerEvent>(_onStartTimer);
-    on<SetTimeLeftEvent>(_onSetTimeLeft);
+    on<TimerEndedEvent>(_onTimerEnded);
     on<StopTimerEvent>(_onStopTimer);
     on<ResetTimerEvent>(_onResetTimer);
   }
 
   Future<void> _onStartTimer(StartTimerEvent _, Emitter emit) async {
+    _timerInteractor.quickVibration();
     emit(const TimerResumedState());
   }
 
-  Future<void> _onSetTimeLeft(SetTimeLeftEvent event, Emitter emit) async {
-    emit(const TimerResumedState());
+  Future<void> _onTimerEnded(TimerEndedEvent event, Emitter emit) async {
+    if (state is! TimerResetState) {
+      _timerInteractor.responseVibration();
+      emit(const TimerStoppedState());
+    }
   }
 
   Future<void> _onStopTimer(StopTimerEvent _, Emitter emit) async {
+    _timerInteractor.quickVibration();
     emit(const TimerStoppedState());
   }
 

lib/screens/timer/event_timer.dart

@@ -10,10 +10,8 @@ class StopTimerEvent extends TimerEvent {
   const StopTimerEvent();
 }
 
-class SetTimeLeftEvent extends TimerEvent {
-  final Duration timeLeft;
-
-  const SetTimeLeftEvent(this.timeLeft);
+class TimerEndedEvent extends TimerEvent {
+  const TimerEndedEvent();
 }
 
 class ResetTimerEvent extends TimerEvent {

lib/screens/timer/flow_timer.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
 import 'package:lightmeter/interactors/metering_interactor.dart';
+import 'package:lightmeter/interactors/timer_interactor.dart';
 import 'package:lightmeter/providers/services_provider.dart';
 import 'package:lightmeter/screens/timer/bloc_timer.dart';
 import 'package:lightmeter/screens/timer/screen_timer.dart';
@@ -15,18 +16,14 @@ class TimerFlow extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MeteringInteractorProvider(
-      data: MeteringInteractor(
+    return TimerInteractorProvider(
+      data: TimerInteractor(
         ServicesProvider.of(context).userPreferencesService,
-        ServicesProvider.of(context).caffeineService,
         ServicesProvider.of(context).hapticsService,
-        ServicesProvider.of(context).permissionsService,
-        ServicesProvider.of(context).lightSensorService,
-        ServicesProvider.of(context).volumeEventsService,
-      )..initialize(),
+      ),
       child: BlocProvider(
         create: (context) => TimerBloc(
-          MeteringInteractorProvider.of(context),
+          TimerInteractorProvider.of(context),
           _duration,
         ),
         child: TimerScreen(
@@ -38,19 +35,19 @@ class TimerFlow extends StatelessWidget {
   }
 }
 
-class MeteringInteractorProvider extends InheritedWidget {
-  final MeteringInteractor data;
+class TimerInteractorProvider extends InheritedWidget {
+  final TimerInteractor data;
 
-  const MeteringInteractorProvider({
+  const TimerInteractorProvider({
     required this.data,
     required super.child,
     super.key,
   });
 
-  static MeteringInteractor of(BuildContext context) {
-    return context.findAncestorWidgetOfExactType<MeteringInteractorProvider>()!.data;
+  static TimerInteractor of(BuildContext context) {
+    return context.findAncestorWidgetOfExactType<TimerInteractorProvider>()!.data;
   }
 
   @override
-  bool updateShouldNotify(MeteringInteractorProvider oldWidget) => false;
+  bool updateShouldNotify(TimerInteractorProvider oldWidget) => false;
 }

lib/screens/timer/screen_timer.dart

@@ -39,7 +39,7 @@ class _TimerScreenState extends State<TimerScreen> with TickerProviderStateMixin
     timelineAnimation = Tween<double>(begin: 1, end: 0).animate(timelineController);
     timelineController.addStatusListener((status) {
       if (status == AnimationStatus.completed) {
-        context.read<TimerBloc>().add(const StopTimerEvent());
+        context.read<TimerBloc>().add(const TimerEndedEvent());
       }
     });
 

test/interactors/timer_interactor_test.dart

@@ -0,0 +1,63 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lightmeter/data/haptics_service.dart';
+import 'package:lightmeter/data/shared_prefs_service.dart';
+import 'package:lightmeter/interactors/timer_interactor.dart';
+import 'package:mocktail/mocktail.dart';
+
+class _MockUserPreferencesService extends Mock implements UserPreferencesService {}
+
+class _MockHapticsService extends Mock implements HapticsService {}
+
+void main() {
+  late _MockUserPreferencesService mockUserPreferencesService;
+  late _MockHapticsService mockHapticsService;
+
+  late TimerInteractor interactor;
+
+  setUp(() {
+    mockUserPreferencesService = _MockUserPreferencesService();
+    mockHapticsService = _MockHapticsService();
+
+    interactor = TimerInteractor(
+      mockUserPreferencesService,
+      mockHapticsService,
+    );
+  });
+
+  group(
+    'Haptics',
+    () {
+      test('quickVibration() - true', () async {
+        when(() => mockUserPreferencesService.haptics).thenReturn(true);
+        when(() => mockHapticsService.quickVibration()).thenAnswer((_) async {});
+        interactor.quickVibration();
+        verify(() => mockUserPreferencesService.haptics).called(1);
+        verify(() => mockHapticsService.quickVibration()).called(1);
+      });
+
+      test('quickVibration() - false', () async {
+        when(() => mockUserPreferencesService.haptics).thenReturn(false);
+        when(() => mockHapticsService.quickVibration()).thenAnswer((_) async {});
+        interactor.quickVibration();
+        verify(() => mockUserPreferencesService.haptics).called(1);
+        verifyNever(() => mockHapticsService.quickVibration());
+      });
+
+      test('responseVibration() - true', () async {
+        when(() => mockUserPreferencesService.haptics).thenReturn(true);
+        when(() => mockHapticsService.responseVibration()).thenAnswer((_) async {});
+        interactor.responseVibration();
+        verify(() => mockUserPreferencesService.haptics).called(1);
+        verify(() => mockHapticsService.responseVibration()).called(1);
+      });
+
+      test('responseVibration() - false', () async {
+        when(() => mockUserPreferencesService.haptics).thenReturn(false);
+        when(() => mockHapticsService.responseVibration()).thenAnswer((_) async {});
+        interactor.responseVibration();
+        verify(() => mockUserPreferencesService.haptics).called(1);
+        verifyNever(() => mockHapticsService.responseVibration());
+      });
+    },
+  );
+}

test/screens/timer/screen_metering_golden_test.dart

@@ -0,0 +1,144 @@
+import 'dart:convert';
+
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:golden_toolkit/golden_toolkit.dart';
+import 'package:lightmeter/data/models/ev_source_type.dart';
+import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
+import 'package:lightmeter/data/models/theme_type.dart';
+import 'package:lightmeter/data/shared_prefs_service.dart';
+import 'package:lightmeter/providers/user_preferences_provider.dart';
+import 'package:lightmeter/screens/metering/flow_metering.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../../../integration_test/utils/finder_actions.dart';
+import '../../../integration_test/utils/platform_channel_mock.dart';
+import '../../application_mock.dart';
+
+class _MeteringScreenConfig {
+  final IAPProductStatus iapProductStatus;
+  final EvSourceType evSourceType;
+
+  _MeteringScreenConfig(
+    this.iapProductStatus,
+    this.evSourceType,
+  );
+
+  @override
+  String toString() {
+    final buffer = StringBuffer();
+    buffer.write(iapProductStatus.toString().split('.')[1]);
+    buffer.write(' - ');
+    buffer.write(evSourceType.toString().split('.')[1]);
+    return buffer.toString();
+  }
+}
+
+final _testScenarios = [IAPProductStatus.purchased, IAPProductStatus.purchasable].expand(
+  (iapProductStatus) => EvSourceType.values.map(
+    (evSourceType) => _MeteringScreenConfig(iapProductStatus, evSourceType),
+  ),
+);
+
+void main() {
+  Future<void> setEvSource(WidgetTester tester, Key scenarioWidgetKey, EvSourceType evSourceType) async {
+    final flow = find.descendant(
+      of: find.byKey(scenarioWidgetKey),
+      matching: find.byType(MeteringFlow),
+    );
+    final BuildContext context = tester.element(flow);
+    if (UserPreferencesProvider.evSourceTypeOf(context) != evSourceType) {
+      UserPreferencesProvider.of(context).toggleEvSourceType();
+    }
+    await tester.pumpAndSettle();
+  }
+
+  Future<void> setTheme(WidgetTester tester, Key scenarioWidgetKey, ThemeType themeType) async {
+    final flow = find.descendant(
+      of: find.byKey(scenarioWidgetKey),
+      matching: find.byType(MeteringFlow),
+    );
+    final BuildContext context = tester.element(flow);
+    UserPreferencesProvider.of(context).setThemeType(themeType);
+    await tester.pumpAndSettle();
+  }
+
+  Future<void> takePhoto(WidgetTester tester, Key scenarioWidgetKey) async {
+    final button = find.descendant(
+      of: find.byKey(scenarioWidgetKey),
+      matching: find.measureButton(),
+    );
+    await tester.tap(button);
+    await tester.pump(const Duration(seconds: 2)); // wait for circular progress indicator
+    await tester.pump(const Duration(seconds: 1)); // wait for circular progress indicator
+    await tester.pumpAndSettle();
+  }
+
+  Future<void> toggleIncidentMetering(WidgetTester tester, Key scenarioWidgetKey, double ev) async {
+    final button = find.descendant(
+      of: find.byKey(scenarioWidgetKey),
+      matching: find.measureButton(),
+    );
+    await tester.tap(button);
+    await sendMockIncidentEv(ev);
+    await tester.tap(button);
+    await tester.pumpAndSettle();
+  }
+
+  setUpAll(() {
+    SharedPreferences.setMockInitialValues({
+      UserPreferencesService.evSourceTypeKey: EvSourceType.camera.index,
+      UserPreferencesService.meteringScreenLayoutKey: json.encode(
+        {
+          MeteringScreenLayoutFeature.equipmentProfiles: true,
+          MeteringScreenLayoutFeature.extremeExposurePairs: true,
+          MeteringScreenLayoutFeature.filmPicker: true,
+        }.toJson(),
+      ),
+    });
+  });
+
+  testGoldens(
+    'MeteringScreen golden test',
+    (tester) async {
+      final builder = DeviceBuilder();
+      for (final scenario in _testScenarios) {
+        builder.addScenario(
+          name: scenario.toString(),
+          widget: _MockMeteringFlow(productStatus: scenario.iapProductStatus),
+          onCreate: (scenarioWidgetKey) async {
+            await setEvSource(tester, scenarioWidgetKey, scenario.evSourceType);
+            if (scenarioWidgetKey.toString().contains('Dark')) {
+              await setTheme(tester, scenarioWidgetKey, ThemeType.dark);
+            }
+            if (scenario.evSourceType == EvSourceType.camera) {
+              await takePhoto(tester, scenarioWidgetKey);
+            } else {
+              await toggleIncidentMetering(tester, scenarioWidgetKey, 7.3);
+            }
+          },
+        );
+      }
+      await tester.pumpDeviceBuilder(builder);
+      await screenMatchesGolden(
+        tester,
+        'metering_screen',
+      );
+    },
+  );
+}
+
+class _MockMeteringFlow extends StatelessWidget {
+  final IAPProductStatus productStatus;
+
+  const _MockMeteringFlow({required this.productStatus});
+
+  @override
+  Widget build(BuildContext context) {
+    return GoldenTestApplicationMock(
+      productStatus: productStatus,
+      child: const MeteringFlow(),
+    );
+  }
+}