fix: 多层播放页快速返回首页致后台播放、通知未消失

lib/services/audio_handler.dart

@@ -1,4 +1,6 @@
+import 'package:PiliPalaX/models/danmaku/dm.pb.dart';
 import 'package:audio_service/audio_service.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:hive/hive.dart';
 import 'package:PiliPalaX/models/bangumi/info.dart';
 import 'package:PiliPalaX/models/video_detail_res.dart';
@@ -26,7 +28,7 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
   static final List<MediaItem> _item = [];
   Box setting = GStrorage.setting;
   bool enableBackgroundPlay = true;
-  PlPlayerController player = PlPlayerController.getInstance();
+  // PlPlayerController player = PlPlayerController.getInstance();
 
   VideoPlayerServiceHandler() {
     revalidateSetting();
@@ -39,12 +41,14 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
 
   @override
   Future<void> play() async {
-    player.play();
+    await PlPlayerController.playIfExists();
+    // player.play();
   }
 
   @override
   Future<void> pause() async {
-    player.pause();
+    await PlPlayerController.pauseIfExists();
+    // player.pause();
   }
 
   @override
@@ -52,12 +56,17 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
     playbackState.add(playbackState.value.copyWith(
       updatePosition: position,
     ));
-    await player.seekTo(position);
+    await PlPlayerController.seekToIfExists(position);
+    // await player.seekTo(position);
   }
 
   Future<void> setMediaItem(MediaItem newMediaItem) async {
     if (!enableBackgroundPlay) return;
-    mediaItem.add(newMediaItem);
+    // print("此时调用栈为：");
+    // print(newMediaItem);
+    // print(newMediaItem.title);
+    // debugPrint(StackTrace.current.toString());
+    if(!mediaItem.isClosed) mediaItem.add(newMediaItem);
   }
 
   Future<void> setPlaybackState(PlayerStatus status, bool isBuffering) async {
@@ -99,9 +108,11 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
 
   onVideoDetailChange(dynamic data, int cid) {
     if (!enableBackgroundPlay) return;
-
+    // print('当前调用栈为：');
+    // print(StackTrace.current);
+    if (!PlPlayerController.instanceExists()) return;
     if (data == null) return;
-    if (Get.arguments == null) return;
+    if (Get.arguments == null || Get.arguments['heroTag'] == null) return;
     final heroTag = Get.arguments['heroTag'];
 
     late MediaItem? mediaItem;
@@ -137,6 +148,8 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
       );
     }
     if (mediaItem == null) return;
+    print("exist: ${PlPlayerController.instanceExists()}");
+    if (!PlPlayerController.instanceExists()) return;
     setMediaItem(mediaItem);
     _item.add(mediaItem);
   }
@@ -153,10 +166,8 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
     }
     if (_item.isNotEmpty) {
       setMediaItem(_item.last);
-    }
-    if (_item.isEmpty) {
-      playbackState
-          .add(playbackState.value.copyWith(updatePosition: Duration.zero));
+    } else {
+      mediaItem?.close();
     }
     stop();
   }

lib/services/audio_session.dart

@@ -18,29 +18,38 @@ class AudioSessionHandler {
     session.configure(const AudioSessionConfiguration.music());
 
     session.interruptionEventStream.listen((event) {
-      final player = PlPlayerController.getInstance();
+      final playerStatus = PlPlayerController.getPlayerStatusIfExists();
+      // final player = PlPlayerController.getInstance();
       if (event.begin) {
-        if (!player.playerStatus.playing) return;
+        if (playerStatus != PlayerStatus.playing) return;
+        // if (!player.playerStatus.playing) return;
         switch (event.type) {
           case AudioInterruptionType.duck:
-            player.setVolume(player.volume.value * 0.5);
+            PlPlayerController.setVolumeIfExists(
+                (PlPlayerController.getVolumeIfExists() ?? 0) * 0.5);
+            // player.setVolume(player.volume.value * 0.5);
             break;
           case AudioInterruptionType.pause:
-            player.pause(isInterrupt: true);
+            PlPlayerController.pauseIfExists(isInterrupt: true);
+            // player.pause(isInterrupt: true);
             _playInterrupted = true;
             break;
           case AudioInterruptionType.unknown:
-            player.pause(isInterrupt: true);
+            PlPlayerController.pauseIfExists(isInterrupt: true);
+            // player.pause(isInterrupt: true);
             _playInterrupted = true;
             break;
         }
       } else {
         switch (event.type) {
           case AudioInterruptionType.duck:
-            player.setVolume(player.volume.value * 2);
+            PlPlayerController.setVolumeIfExists(
+                (PlPlayerController.getVolumeIfExists() ?? 0) * 2);
+            // player.setVolume(player.volume.value * 2);
             break;
           case AudioInterruptionType.pause:
-            if (_playInterrupted) player.play();
+            if (_playInterrupted) PlPlayerController.playIfExists();
+              //player.play();
             break;
           case AudioInterruptionType.unknown:
             break;
@@ -51,10 +60,11 @@ class AudioSessionHandler {
 
     // 耳机拔出暂停
     session.becomingNoisyEventStream.listen((_) {
-      final player = PlPlayerController.getInstance();
-      if (player.playerStatus.playing) {
-        player.pause();
-      }
+      PlPlayerController.pauseIfExists();
+      // final player = PlPlayerController.getInstance();
+      // if (player.playerStatus.playing) {
+      //   player.pause();
+      // }
     });
   }
 }

lib/services/shutdown_timer_service.dart

@@ -1,6 +1,7 @@
 // 定时关闭服务
 import 'dart:async';
 import 'dart:io';
+import 'package:PiliPalaX/plugin/pl_player/index.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
@@ -29,8 +30,8 @@ class ShutdownTimerService {
       return;
     }
     SmartDialog.showToast("设置 $scheduledExitInMinutes 分钟后定时关闭");
-    _shutdownTimer = Timer(Duration(minutes: scheduledExitInMinutes),
-        () => _shutdownDecider());
+    _shutdownTimer = Timer(
+        Duration(minutes: scheduledExitInMinutes), () => _shutdownDecider());
   }
 
   void _showTimeUpButPauseDialog() {
@@ -59,7 +60,7 @@ class ShutdownTimerService {
         // Start the 10-second timer to auto close the dialog
         _autoCloseDialogTimer?.cancel();
         _autoCloseDialogTimer = Timer(const Duration(seconds: 10), () {
-          SmartDialog.dismiss();// Close the dialog
+          SmartDialog.dismiss(); // Close the dialog
           _executeShutdown();
         });
         return AlertDialog(
@@ -88,9 +89,12 @@ class ShutdownTimerService {
       _showShutdownDialog();
       return;
     }
-    PlPlayerController plPlayerController = PlPlayerController.getInstance();
+    // PlPlayerController plPlayerController = PlPlayerController.getInstance();
+    PlayerStatus? playerStatus = PlPlayerController.getPlayerStatusIfExists();
     if (!exitApp && !waitForPlayingCompleted) {
-      if (!plPlayerController.playerStatus.playing) {
+      // if (!plPlayerController.playerStatus.playing) {
+      if (playerStatus == PlayerStatus.paused ||
+          playerStatus == PlayerStatus.completed) {
         //仅提示用户
         _showTimeUpButPauseDialog();
       } else {
@@ -99,7 +103,9 @@ class ShutdownTimerService {
       return;
     }
     //waitForPlayingCompleted
-    if (!plPlayerController.playerStatus.playing) {
+    if (playerStatus == PlayerStatus.paused ||
+        playerStatus == PlayerStatus.completed) {
+      // if (!plPlayerController.playerStatus.playing) {
       _showShutdownDialog();
       return;
     }
@@ -108,26 +114,36 @@ class ShutdownTimerService {
     //该方法依赖耦合实现，不够优雅
     isWaiting = true;
   }
-  void handleWaitingFinished(){
-    if(isWaiting){
+
+  void handleWaitingFinished() {
+    if (isWaiting) {
       _showShutdownDialog();
       isWaiting = false;
     }
   }
+
   void _executeShutdown() {
     if (exitApp) {
       //退出app
       exit(0);
     } else {
       //暂停播放
-      PlPlayerController plPlayerController = PlPlayerController.getInstance();
-      if (plPlayerController.playerStatus.playing) {
-        plPlayerController.pause();
+      PlayerStatus? playerStatus = PlPlayerController.getPlayerStatusIfExists();
+      if (playerStatus == PlayerStatus.playing) {
+        PlPlayerController.pauseIfExists();
         waitForPlayingCompleted = true;
         SmartDialog.showToast("已暂停播放");
       } else {
         SmartDialog.showToast("当前未播放");
       }
+      // PlPlayerController plPlayerController = PlPlayerController.getInstance();
+      // if (plPlayerController.playerStatus.playing) {
+      //   plPlayerController.pause();
+      //   waitForPlayingCompleted = true;
+      //   SmartDialog.showToast("已暂停播放");
+      // } else {
+      //   SmartDialog.showToast("当前未播放");
+      // }
     }
   }