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@ -12,112 +12,123 @@ class QQMusicPlaylistController extends GetxController { |
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final isLoggedIn = false.obs; |
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final userInfo = Rxn<Map<String, dynamic>>(); |
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// 直接使用全局服务的状态 - 修复返回类型 |
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RxBool get isPlaying => _qqMusicService.isPlaying; |
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// 界面维护的播放列表状态 |
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RxList<SongModel> playlist = <SongModel>[].obs; |
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RxInt currentIndex = 0.obs; |
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// 界面显示的当前歌曲（可能与实际播放的不同） |
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Rxn<SongModel> displayCurrentSong = Rxn<SongModel>(); |
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// 界面播放状态（当前播放歌曲不在列表中时为未播放状态） |
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RxBool displayIsPlaying = false.obs; |
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// 从全局服务获取实际播放状态（仅用于同步） |
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RxBool get actualIsPlaying => _qqMusicService.isPlaying; |
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RxInt get currentPosition => _qqMusicService.currentPosition; |
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RxInt get totalDuration => _qqMusicService.totalDuration; |
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Rxn<SongModel> get currentSong => _qqMusicService.currentSong; |
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RxList<SongModel> get playlist => _qqMusicService.playlist; |
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RxInt get currentIndex => _qqMusicService.currentIndex; |
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Rxn<SongModel> get actualCurrentSong => _qqMusicService.currentSong; |
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@override |
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void onInit() { |
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super.onInit(); |
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// 使用 WidgetsBinding.instance.addPostFrameCallback 延迟执行状态更新 |
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WidgetsBinding.instance.addPostFrameCallback((_) { |
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_initializePlaylist(); |
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}); |
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_initializePlaylist(); |
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print('🎵 [QQMusicPlaylistController] 控制器初始化完成'); |
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} |
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/// 初始化播放列表 - 延迟执行避免构建期间状态更新 |
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/// 初始化播放列表 |
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void _initializePlaylist() { |
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// 从路由参数获取播放列表 |
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final arguments = Get.arguments; |
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if (arguments != null && arguments['playlist'] != null) { |
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final List<dynamic> playlistData = arguments['playlist']; |
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try { |
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// 解析播放列表数据 |
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final songList = playlistData |
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.map((item) { |
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try { |
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return SongModel.fromJson(item); |
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} catch (e) { |
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Logger.e('QQMusicPlaylist', '解析歌曲数据失败: $e, 数据: $item'); |
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return null; |
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} |
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}) |
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.where((song) => song != null) |
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.cast<SongModel>() |
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.toList(); |
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Logger.d('QQMusicPlaylist', '成功解析歌曲数量: ${songList.length}'); |
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// 更新播放列表 |
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_qqMusicService.playlist.assignAll(songList); |
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// 安全地设置当前歌曲 |
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if (songList.isNotEmpty) { |
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_qqMusicService.currentSong.value = songList.first; |
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_qqMusicService.currentIndex.value = 0; |
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Logger.d('QQMusicPlaylist', '设置当前歌曲: ${songList.first.name}'); |
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} else { |
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_qqMusicService.currentSong.value = null; |
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_qqMusicService.currentIndex.value = 0; |
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Logger.w('QQMusicPlaylist', '播放列表为空，无法设置当前歌曲'); |
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} |
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} catch (e) { |
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Logger.e('QQMusicPlaylist', '处理播放列表时发生异常: $e'); |
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// 确保状态一致性 |
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_qqMusicService.currentSong.value = null; |
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_qqMusicService.currentIndex.value = 0; |
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} |
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final List<SongModel> songList = arguments['playlist']; |
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// try { |
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// // 解析播放列表数据 |
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// final songList = playlistData |
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// .map((item) { |
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// try { |
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// return SongModel.fromJson(item); |
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// } catch (e) { |
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// Logger.e('QQMusicPlaylist', '解析歌曲数据失败: $e, 数据: $item'); |
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// return null; |
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// } |
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// }) |
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// .where((song) => song != null) |
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// .cast<SongModel>() |
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// .toList(); |
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// Logger.d('QQMusicPlaylist', '成功解析歌曲数量: ${songList.length}'); |
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// 更新播放列表 |
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playlist.assignAll(songList); |
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// 检查当前播放歌曲是否在列表中 |
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_syncDisplayStateWithActualPlayback(); |
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// } catch (e) { |
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// Logger.e('QQMusicPlaylist', '处理播放列表时发生异常: $e'); |
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// _setDefaultDisplayState(); |
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// } |
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} else { |
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Logger.w('QQMusicPlaylist', '未接收到播放列表参数'); |
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} |
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// 确保 playlist 初始化 |
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if (_qqMusicService.playlist.isEmpty) { |
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Logger.w('QQMusicPlaylist', 'Playlist is empty on init'); |
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_setDefaultDisplayState(); |
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} |
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// 添加状态监听器 |
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_qqMusicService.addListener(_onMusicStateChanged); |
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// 界面初始化时同步播放状态和进度 |
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_syncInitialState(); |
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_qqMusicService.syncCurrentPlayInfo(); |
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} |
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/// 同步初始播放状态 - 移除 update() 调用 |
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Future<void> _syncInitialState() async { |
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try { |
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Logger.d('QQMusicPlaylist', '开始同步初始播放状态'); |
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/// 同步显示状态与实际播放状态 |
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void _syncDisplayStateWithActualPlayback() { |
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if (playlist.isEmpty) { |
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_setDefaultDisplayState(); |
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return; |
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} |
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// 同步当前播放信息 |
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await _qqMusicService.syncCurrentPlayInfo(); |
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final actualSong = actualCurrentSong.value; |
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// 如果当前有音乐在播放，启动状态监听 |
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if (_qqMusicService.isPlaying.value) { |
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Logger.d('QQMusicPlaylist', '检测到音乐正在播放，启动状态监听'); |
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_qqMusicService.startPlaybackStateMonitor(); |
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} |
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if (actualSong != null) { |
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// 查找当前播放歌曲在列表中的位置 |
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final index = playlist.indexWhere((song) => song.mid == actualSong.mid); |
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// 移除这行，避免在构建期间调用 update() |
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// update(); |
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if (index != -1) { |
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// 当前播放歌曲在列表中 |
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currentIndex.value = index; |
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displayCurrentSong.value = playlist[index]; |
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displayIsPlaying.value = actualIsPlaying.value; |
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Logger.d('QQMusicPlaylist', '当前播放歌曲在列表中，索引: $index'); |
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} else { |
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// 当前播放歌曲不在列表中，显示列表第一个，状态为未播放 |
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_setDefaultDisplayState(); |
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Logger.d('QQMusicPlaylist', '当前播放歌曲不在列表中，显示默认状态'); |
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} |
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} else { |
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// 没有当前播放歌曲，显示列表第一个，状态为未播放 |
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_setDefaultDisplayState(); |
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Logger.d('QQMusicPlaylist', '无当前播放歌曲，显示默认状态'); |
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} |
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} |
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Logger.d('QQMusicPlaylist', '初始状态同步完成'); |
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} catch (e) { |
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Logger.e('QQMusicPlaylist', '初始状态同步失败: $e'); |
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/// 设置默认显示状态 |
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void _setDefaultDisplayState() { |
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if (playlist.isNotEmpty) { |
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currentIndex.value = 0; |
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displayCurrentSong.value = playlist.first; |
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displayIsPlaying.value = false; // 默认为未播放状态 |
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Logger.d('QQMusicPlaylist', '设置默认显示状态: ${playlist.first.name}'); |
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} else { |
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currentIndex.value = 0; |
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displayCurrentSong.value = null; |
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displayIsPlaying.value = false; |
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Logger.w('QQMusicPlaylist', '播放列表为空，无法设置默认状态'); |
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} |
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} |
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/// 音乐状态变化回调 - 使用 SchedulerBinding 延迟更新 |
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/// 音乐状态变化回调 |
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void _onMusicStateChanged() { |
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// 使用 SchedulerBinding 确保在构建完成后再更新 |
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SchedulerBinding.instance.addPostFrameCallback((_) { |
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if (!isClosed) { |
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// 重新同步显示状态 |
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_syncDisplayStateWithActualPlayback(); |
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update(); |
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} |
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}); |
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@ -133,7 +144,7 @@ class QQMusicPlaylistController extends GetxController { |
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/// 播放歌曲 |
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Future<void> playSong(SongModel song, {List<SongModel>? songList}) async { |
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try { |
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// 如果没有传入歌曲列表，使用当前播放列表 |
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// 使用传入的歌曲列表或当前播放列表 |
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final List<SongModel> finalSongList = songList ?? playlist.toList(); |
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final songMids = finalSongList.map((s) => s.mid).toList(); |
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final playIndex = finalSongList.indexOf(song); |
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@ -149,6 +160,7 @@ class QQMusicPlaylistController extends GetxController { |
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); |
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if (result['success'] == true) { |
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// 播放成功后，如果歌曲不在当前列表中，保持列表显示状态不变 |
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Get.snackbar('开始播放', song.name); |
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} else { |
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Get.snackbar('播放失败', result['error'] ?? '未知错误'); |
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@ -156,6 +168,10 @@ class QQMusicPlaylistController extends GetxController { |
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return; |
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} |
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// 歌曲在当前列表中，更新界面状态 |
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currentIndex.value = playIndex; |
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displayCurrentSong.value = song; |
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final result = await _qqMusicService.playSongs( |
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songMids: songMids, |
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index: playIndex, |
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@ -164,41 +180,102 @@ class QQMusicPlaylistController extends GetxController { |
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); |
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if (result['success'] == true) { |
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displayIsPlaying.value = true; |
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_qqMusicService.syncCurrentPlayInfo(); |
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Get.snackbar('开始播放', song.name); |
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} else { |
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displayIsPlaying.value = false; |
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Get.snackbar('播放失败', result['error'] ?? '未知错误'); |
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} |
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} catch (e) { |
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displayIsPlaying.value = false; |
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Get.snackbar('播放失败', e.toString()); |
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} |
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} |
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/// 播放列表中的指定歌曲 |
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Future<void> playPlaylistSong(int index) async { |
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if (index >= 0 && index < playlist.length) { |
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await playSong(playlist[index]); |
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} |
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} |
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/// 暂停/继续播放 |
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Future<void> togglePlayPause() async { |
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if (isPlaying.value) { |
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await _qqMusicService.pauseMusic(); |
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// 检查当前显示的歌曲是否正在播放 |
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final displaySong = displayCurrentSong.value; |
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final actualSong = actualCurrentSong.value; |
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if (displaySong != null && |
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actualSong != null && |
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displaySong.mid == actualSong.mid) { |
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// 显示的歌曲正在播放，执行暂停/继续 |
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if (actualIsPlaying.value) { |
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await _qqMusicService.pauseMusic(); |
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displayIsPlaying.value = false; |
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} else { |
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await _qqMusicService.resumeMusic(); |
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displayIsPlaying.value = true; |
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} |
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} else { |
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await _qqMusicService.resumeMusic(); |
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// 显示的歌曲不是当前播放的，播放显示的歌曲 |
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if (displaySong != null) { |
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await playSong(displaySong); |
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} |
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} |
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} |
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/// 下一首 |
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/// 下一首（列表内） |
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Future<void> nextSong() async { |
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await _qqMusicService.skipToNext(); |
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if (playlist.isNotEmpty) { |
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final nextIndex = (currentIndex.value + 1) % playlist.length; |
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await playPlaylistSong(nextIndex); |
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} |
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} |
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/// 上一首 |
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/// 上一首（列表内） |
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Future<void> previousSong() async { |
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await _qqMusicService.skipToPrevious(); |
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if (playlist.isNotEmpty) { |
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final prevIndex = |
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currentIndex.value > 0 ? currentIndex.value - 1 : playlist.length - 1; |
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await playPlaylistSong(prevIndex); |
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} |
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} |
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/// 停止播放 |
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Future<void> stopMusic() async { |
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await _qqMusicService.stopMusic(); |
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displayIsPlaying.value = false; |
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} |
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/// 格式化时间 |
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String formatDuration(int milliseconds) { |
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return _qqMusicService.formatDuration(milliseconds); |
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} |
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/// 获取当前显示的播放状态（用于UI显示） |
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bool get isCurrentSongPlaying { |
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final displaySong = displayCurrentSong.value; |
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final actualSong = actualCurrentSong.value; |
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// 只有当显示的歌曲与实际播放的歌曲相同时，才显示播放状态 |
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if (displaySong != null && |
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actualSong != null && |
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displaySong.mid == actualSong.mid) { |
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return actualIsPlaying.value; |
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} |
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return false; |
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} |
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/// 检查歌曲是否在当前播放列表中 |
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bool isSongInPlaylist(SongModel song) { |
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return playlist.any((s) => s.mid == song.mid); |
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} |
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/// 更新播放列表（支持多个播放列表场景） |
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void updatePlaylist(List<SongModel> newPlaylist) { |
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playlist.assignAll(newPlaylist); |
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_syncDisplayStateWithActualPlayback(); |
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Logger.d('QQMusicPlaylist', '播放列表已更新，歌曲数量: ${newPlaylist.length}'); |
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} |
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} |
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