fix: shake detector not detecting in background

lib/features/shake_detection/core/shake_detector.dart

@@ -28,6 +28,9 @@ class ShakeDetector {
 
   DateTime _lastShakeTime = DateTime.now();
 
+  final StreamController<UserAccelerometerEvent>
+      _detectedShakeStreamController = StreamController.broadcast();
+
   void start() {
     if (_accelerometerSubscription != null) {
       _logger.warning('ShakeDetector is already running');
@@ -36,6 +39,7 @@ class ShakeDetector {
     _accelerometerSubscription =
         userAccelerometerEventStream(samplingPeriod: _settings.samplingPeriod)
             .listen((event) {
+      _logger.finest('RMS: ${event.rms}');
       if (event.rms > _settings.threshold) {
         _currentShakeCount++;
 
@@ -44,6 +48,7 @@ class ShakeDetector {
           _logger.fine('Shake detected $_currentShakeCount times');
 
           onShakeDetected?.call();
+          _detectedShakeStreamController.add(event);
 
           _lastShakeTime = DateTime.now();
           _currentShakeCount = 0;
@@ -60,6 +65,7 @@ class ShakeDetector {
     _currentShakeCount = 0;
     _accelerometerSubscription?.cancel();
     _accelerometerSubscription = null;
+    _detectedShakeStreamController.close();
     _logger.fine('ShakeDetector stopped');
   }
 

lib/features/shake_detection/providers/shake_detector.dart

@@ -25,26 +25,38 @@ class ShakeDetector extends _$ShakeDetector {
     final shakeDetectionSettings = appSettings.shakeDetectionSettings;
 
     if (!shakeDetectionSettings.isEnabled) {
-      _logger.fine('Shake detection is disabled');
+      _logger.config('Shake detection is disabled');
-      return null;
-    }
-    final player = ref.watch(audiobookPlayerProvider);
-    if (!player.playing && !shakeDetectionSettings.isActiveWhenPaused) {
-      _logger.fine(
-        'Shake detection is disabled when paused and player is not playing',
-      );
       return null;
     }
+
+    // TODO: implement optimization when no book is loaded, currently it is not possible
+    // as rebuild is not triggered when app is in background and player keeps rebuilding
+    // when paused or playing
+
+    // if no book is loaded, shake detection should not be enabled
+    // final player = ref.watch(audiobookPlayerProvider);
+
+    // if (player.book == null) {
+    //   _logger.config('No book is loaded');
+    //   return null;
+    // }
+    // if (!player.playing && !shakeDetectionSettings.isActiveWhenPaused) {
+    //   _logger.config(
+    //     'Shake detection is disabled when paused and player is not playing',
+    //   );
+    //   return null;
+    // }
     // if sleep timer is not enabled, shake detection should not be enabled
     final sleepTimer = ref.watch(sleepTimerProvider);
     if (!shakeDetectionSettings.isPlaybackManagementEnabled &&
         sleepTimer == null) {
-      _logger.fine('No playback management is enabled and sleep timer is off, '
+      _logger
-          'so shake detection is disabled');
+          .config('No playback management is enabled and sleep timer is off, '
+              'so shake detection is disabled');
       return null;
     }
 
-    _logger.fine('Creating shake detector');
+    _logger.config('Creating shake detector');
     final detector = core.ShakeDetector(
       shakeDetectionSettings,
       () {
@@ -63,11 +75,18 @@ class ShakeDetector extends _$ShakeDetector {
     ShakeAction shakeAction, {
     required Ref ref,
   }) {
-    final player = ref.watch(simpleAudiobookPlayerProvider);
+    final player = ref.read(simpleAudiobookPlayerProvider);
+    if (player.book == null) {
+      _logger.warning('No book is loaded');
+    }
     switch (shakeAction) {
       case ShakeAction.resetSleepTimer:
         _logger.fine('Resetting sleep timer');
-        ref.read(sleepTimerProvider.notifier).restartTimer();
+        var sleepTimer = ref.read(sleepTimerProvider);
+        if (sleepTimer == null) {
+          _logger.warning('No sleep timer is running');
+        }
+        sleepTimer!.restartTimer();
         break;
       case ShakeAction.fastForward:
         _logger.fine('Fast forwarding');
@@ -78,10 +97,6 @@ class ShakeDetector extends _$ShakeDetector {
         player.seek(player.position - const Duration(seconds: 30));
         break;
       case ShakeAction.playPause:
-        if (player.book == null) {
-          _logger.warning('No book is loaded');
-          break;
-        }
         player.togglePlayPause();
         break;
       default:

lib/features/shake_detection/providers/shake_detector.g.dart

@@ -6,7 +6,7 @@ part of 'shake_detector.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$shakeDetectorHash() => r'7bfbdd22f2f43ef3e3858d226d1eb78923e8114d';
+String _$shakeDetectorHash() => r'b246be847d3ff8310f16abd683a4428dca60efdb';
 
 /// See also [ShakeDetector].
 @ProviderFor(ShakeDetector)

lib/features/sleep_timer/providers/sleep_timer_provider.dart

@@ -54,7 +54,7 @@ class SleepTimer extends _$SleepTimer {
   void restartTimer() {
     state?.restartTimer();
 
-    ref.notifyListeners();
+    // ref.notifyListeners();
   }
 
   void cancelTimer() {

lib/features/sleep_timer/providers/sleep_timer_provider.g.dart

@@ -6,7 +6,7 @@ part of 'sleep_timer_provider.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$sleepTimerHash() => r'9d9f20267da91e5483151b58b7d4d7c0762c3ca7';
+String _$sleepTimerHash() => r'4f80bcc342e918c70c547b8b24790ccd88aba8c3';
 
 /// See also [SleepTimer].
 @ProviderFor(SleepTimer)