feat:绘本播放状态优化

吴启风
1 parent 46c68b45
Showing 1 changed file with 33 additions and 17 deletions
lib/pages/reading/bloc/reading_bloc.dart
@@ -95,7 +95,7 @@ class ReadingPageBloc
       //音频播放器
       audioPlayer = AudioPlayer();
       audioPlayer.onPlayerStateChanged.listen((event) async {
-        debugPrint('播放状态变化');
+        Log.d("播放状态变化 event=$event");
         if (event == PlayerState.completed) {
           debugPrint('播放完成');
           _voicePlayState = VoicePlayState.completed;
@@ -104,13 +104,18 @@ class ReadingPageBloc
         if (event == PlayerState.stopped) {
           debugPrint('播放结束');
           _voicePlayState = VoicePlayState.stop;
-          _onAudioPlayComplete();
         }
  
         if (event == PlayerState.playing) {
           debugPrint('正在播放中');
           _voicePlayState = VoicePlayState.playing;
         }
+
+        if (event == PlayerState.disposed) {
+          debugPrint('播放器释放');
+          _voicePlayState = VoicePlayState.unKnow;
+        }
+
         if (isClosed) {
           return;
         }
@@ -181,7 +186,7 @@ class ReadingPageBloc
       Emitter<ReadingPageState> emitter) async {
     _currentPage = event.pageIndex;
     _voiceXsCancel();
-    _playOriginalAudioInner(null);
+    _playOriginalAudioInner(null, forcePlay: true);
     emitter(CurrentPageIndexState());
   }
  
@@ -218,20 +223,27 @@ class ReadingPageBloc
   }
  
   ///播放原音音频
-  void _playOriginalAudioInner(String? audioUrl) async {
+  /// - [force]: 是否强制播放（true:不管当前状态如何，都会播放目标原音音频，比如翻页场景）
+  /// （false:如果正在播放，暂停播放，比如点击播放按钮场景）
+  void _playOriginalAudioInner(String? audioUrl, {bool forcePlay = false}) async {
     if (_isRecordAudioPlaying) {
+      await audioPlayer.stop();
       _isRecordAudioPlaying = false;
     }
     Log.d(
         "_playOriginalAudio _isRecordAudioPlaying=$_isRecordAudioPlaying _isOriginAudioPlaying=$_isOriginAudioPlaying url=$audioUrl");
     if (_isOriginAudioPlaying) {
-      _isOriginAudioPlaying = false;
       await audioPlayer.stop();
+      _isOriginAudioPlaying = false;
+      if (forcePlay) {
+        audioUrl ??= currentPageData()?.audioUrl ?? '';
+        await _playAudio(audioUrl);
+        _isOriginAudioPlaying = true;
+      }
     } else {
-      _isOriginAudioPlaying = true;
-      Log.d("_playOriginalAudioInner _isOriginAudioPlaying: true");
       audioUrl ??= currentPageData()?.audioUrl ?? '';
-      _playAudio(audioUrl);
+      await _playAudio(audioUrl);
+      _isOriginAudioPlaying = true;
     }
   }
  
@@ -242,23 +254,27 @@ class ReadingPageBloc
   }
  
   Future<void> _playRecordAudioInner() async {
+    Log.d(
+        "_playRecordAudioInner _isOriginAudioPlaying=$_isOriginAudioPlaying _isRecordAudioPlaying=$_isRecordAudioPlaying url=${currentPageData()
+            ?.recordUrl}");
     if (_isOriginAudioPlaying) {
+      ///如果正在播放原音，暂停
+      await audioPlayer.stop();
       _isOriginAudioPlaying = false;
     }
-    Log.d(
-        "_playRecordAudioInner _isRecordAudioPlaying=$_isRecordAudioPlaying url=${currentPageData()?.recordUrl}");
+
     if (_isRecordAudioPlaying) {
-      _isRecordAudioPlaying = false;
       await audioPlayer.stop();
+      _isRecordAudioPlaying = false;
     } else {
-      _isRecordAudioPlaying = true;
       final recordAudioUrl = currentPageData()?.recordUrl;
-      _playAudio(recordAudioUrl);
+      await _playAudio(recordAudioUrl);
+      _isRecordAudioPlaying = true;
     }
     // emitter(VoicePlayStateChange());
   }
  
-  void _playAudio(String? audioUrl) async {
+  Future<void> _playAudio(String? audioUrl) async {
     if (audioUrl!.isNotEmpty) {
       await audioPlayer.play(UrlSource(audioUrl));
     }
@@ -302,10 +318,11 @@ class ReadingPageBloc
   ///先声测试
   void _voiceXsStart(
       XSVoiceStartEvent event, Emitter<ReadingPageState> emitter) async {
-    _stopAudio();
+    await _stopAudio();
     startRecord(event.content);
   }
  
+  ///开始录音
   void startRecord(String content) async {
     // 调用封装好的权限检查和请求方法
     bool result =
@@ -374,7 +391,6 @@ class ReadingPageBloc
     Log.d(
         "_onAudioPlayComplete _isOriginAudioPlaying=$_isOriginAudioPlaying _voicePlayState=$_voicePlayState recordUrl=${currentPageData()?.recordUrl?.isNotEmpty}");
     if (_isOriginAudioPlaying &&
-        _voicePlayState == VoicePlayState.completed &&
         currentPageData()?.recordUrl?.isNotEmpty != true) {
       ///如果刚刚完成原音播放&&录音为空,则开始录音
       startRecord(currentPageData()?.word ?? '');
@@ -384,7 +400,7 @@ class ReadingPageBloc
     _isRecordAudioPlaying = false;
   }
  
-  void _stopAudio() async {
+  Future<void> _stopAudio() async {
     await audioPlayer.stop();
     _isOriginAudioPlaying = false;
     _isRecordAudioPlaying = false;