709 lines
20 KiB
Dart
709 lines
20 KiB
Dart
import 'dart:async';
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import 'package:flutter/foundation.dart';
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import 'package:audio_service/audio_service.dart';
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import 'package:just_audio/just_audio.dart';
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import 'package:tsacdop/class/episodebrief.dart';
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import 'package:tsacdop/local_storage/key_value_storage.dart';
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import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
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MediaControl playControl = MediaControl(
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androidIcon: 'drawable/ic_stat_play_circle_filled',
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label: 'Play',
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action: MediaAction.play,
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);
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MediaControl pauseControl = MediaControl(
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androidIcon: 'drawable/ic_stat_pause_circle_filled',
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label: 'Pause',
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action: MediaAction.pause,
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);
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MediaControl skipToNextControl = MediaControl(
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androidIcon: 'drawable/baseline_skip_next_white_24',
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label: 'Next',
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action: MediaAction.skipToNext,
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);
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MediaControl skipToPreviousControl = MediaControl(
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androidIcon: 'drawable/ic_action_skip_previous',
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label: 'Previous',
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action: MediaAction.skipToPrevious,
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);
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MediaControl stopControl = MediaControl(
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androidIcon: 'drawable/baseline_close_white_24',
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label: 'Stop',
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action: MediaAction.stop,
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);
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MediaControl forward30 = MediaControl(
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androidIcon: 'drawable/ic_stat_forward_30',
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label: 'forward30',
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action: MediaAction.fastForward,
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);
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void _audioPlayerTaskEntrypoint() async {
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AudioServiceBackground.run(() => AudioPlayerTask());
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}
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class PlayHistory {
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DBHelper dbHelper = DBHelper();
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String title;
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String url;
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double seconds;
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double seekValue;
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DateTime playdate;
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PlayHistory(this.title, this.url, this.seconds, this.seekValue,
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{this.playdate});
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EpisodeBrief _episode;
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EpisodeBrief get episode => _episode;
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getEpisode() async {
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_episode = await dbHelper.getRssItemWithUrl(url);
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}
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}
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class Playlist extends ChangeNotifier {
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String name;
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DBHelper dbHelper = DBHelper();
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List<EpisodeBrief> _playlist;
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//list of miediaitem
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List<EpisodeBrief> get playlist => _playlist;
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KeyValueStorage storage = KeyValueStorage('playlist');
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getPlaylist() async {
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List<String> urls = await storage.getStringList();
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if (urls.length == 0) {
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_playlist = [];
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} else {
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_playlist = [];
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await Future.forEach(urls, (url) async {
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EpisodeBrief episode = await dbHelper.getRssItemWithUrl(url);
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if (episode != null) _playlist.add(episode);
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});
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}
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print('Playlist: ' + _playlist.length.toString());
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}
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savePlaylist() async {
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List<String> urls = [];
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urls.addAll(_playlist.map((e) => e.enclosureUrl));
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await storage.saveStringList(urls);
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}
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addToPlayList(EpisodeBrief episodeBrief) async {
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_playlist.add(episodeBrief);
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await savePlaylist();
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}
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addToPlayListAt(EpisodeBrief episodeBrief, int index) async {
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_playlist.insert(index, episodeBrief);
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await savePlaylist();
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}
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Future<int> delFromPlaylist(EpisodeBrief episodeBrief) async {
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int index = _playlist.indexOf(episodeBrief);
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_playlist
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.removeWhere((item) => item.enclosureUrl == episodeBrief.enclosureUrl);
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await savePlaylist();
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return index;
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}
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}
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class AudioPlayerNotifier extends ChangeNotifier {
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DBHelper dbHelper = DBHelper();
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KeyValueStorage storage = KeyValueStorage('audioposition');
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EpisodeBrief _episode;
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Playlist _queue = Playlist();
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bool _queueUpdate = false;
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BasicPlaybackState _audioState = BasicPlaybackState.none;
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bool _playerRunning = false;
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bool _noSlide = true;
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int _backgroundAudioDuration = 0;
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int _backgroundAudioPosition = 0;
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String _remoteErrorMessage;
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double _seekSliderValue = 0.0;
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int _lastPostion = 0;
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bool _stopOnComplete = false;
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Timer _stopTimer;
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int _timeLeft = 0;
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bool _showStopWatch = false;
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double _switchValue = 0;
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bool _autoPlay = true;
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DateTime _current;
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int _currentPosition;
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BasicPlaybackState get audioState => _audioState;
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int get backgroundAudioDuration => _backgroundAudioDuration;
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int get backgroundAudioPosition => _backgroundAudioPosition;
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double get seekSliderValue => _seekSliderValue;
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String get remoteErrorMessage => _remoteErrorMessage;
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bool get playerRunning => _playerRunning;
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int get lastPositin => _lastPostion;
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Playlist get queue => _queue;
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bool get queueUpdate => _queueUpdate;
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EpisodeBrief get episode => _episode;
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bool get stopOnComplete => _stopOnComplete;
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bool get showStopWatch => _showStopWatch;
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bool get autoPlay => _autoPlay;
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int get timeLeft => _timeLeft;
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double get switchValue => _switchValue;
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set setSwitchValue(double value) {
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_switchValue = value;
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notifyListeners();
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}
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set autoPlaySwitch(bool boo) {
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_autoPlay = boo;
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notifyListeners();
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}
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@override
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void addListener(VoidCallback listener) async {
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super.addListener(listener);
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_queueUpdate = false;
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await AudioService.connect();
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bool running = await AudioService.running;
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if (running) {
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print(AudioService.currentMediaItem.artUri);
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}
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}
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loadPlaylist() async {
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await _queue.getPlaylist();
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_lastPostion = await storage.getInt();
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if (_lastPostion > 0 && _queue.playlist.length > 0) {
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final EpisodeBrief episode = _queue.playlist.first;
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final int duration = episode.enclosureLength * 60;
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final double seekValue = duration != 0 ? _lastPostion / duration : 1;
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final PlayHistory history = PlayHistory(
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episode.title, episode.enclosureUrl, _lastPostion / 1000, seekValue);
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await dbHelper.saveHistory(history);
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}
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}
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episodeLoad(EpisodeBrief episode) async {
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final EpisodeBrief episodeNew =
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await dbHelper.getRssItemWithUrl(episode.enclosureUrl);
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if (_playerRunning) {
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PlayHistory history = PlayHistory(_episode.title, _episode.enclosureUrl,
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backgroundAudioPosition / 1000, seekSliderValue);
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await dbHelper.saveHistory(history);
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AudioService.addQueueItemAt(episodeNew.toMediaItem(), 0);
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_queue.playlist
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.removeWhere((item) => item.enclosureUrl == episode.enclosureUrl);
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_queue.playlist.insert(0, episodeNew);
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notifyListeners();
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await _queue.savePlaylist();
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} else {
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await _queue.getPlaylist();
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_queue.playlist
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.removeWhere((item) => item.enclosureUrl == episode.enclosureUrl);
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_queue.playlist.insert(0, episodeNew);
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_queue.savePlaylist();
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_backgroundAudioDuration = 0;
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_backgroundAudioPosition = 0;
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_seekSliderValue = 0;
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_episode = episodeNew;
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_playerRunning = true;
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notifyListeners();
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await _queue.savePlaylist();
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_startAudioService(0);
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}
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}
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_startAudioService(int position) async {
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if (!AudioService.connected) {
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await AudioService.connect();
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}
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await AudioService.start(
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backgroundTaskEntrypoint: _audioPlayerTaskEntrypoint,
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androidNotificationChannelName: 'Tsacdop',
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notificationColor: 0xFF4d91be,
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androidNotificationIcon: 'drawable/ic_notification',
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enableQueue: true,
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androidStopOnRemoveTask: true,
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androidStopForegroundOnPause: true);
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_playerRunning = true;
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if (_autoPlay) {
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await Future.forEach(_queue.playlist, (episode) async {
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await AudioService.addQueueItem(episode.toMediaItem());
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});
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} else {
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await AudioService.addQueueItem(_queue.playlist.first.toMediaItem());
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}
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await AudioService.play();
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AudioService.currentMediaItemStream.listen((item) async {
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if (item != null) {
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_episode = await dbHelper.getRssItemWithMediaId(item.id);
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_backgroundAudioDuration = item?.duration ?? 0;
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if (position > 0 && _backgroundAudioDuration > 0) {
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AudioService.seekTo(position);
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position = 0;
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}
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}
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notifyListeners();
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});
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AudioService.playbackStateStream.listen((event) async {
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_current = DateTime.now();
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_audioState = event?.basicState;
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if (_audioState == BasicPlaybackState.skippingToNext &&
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_episode != null) {
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print(_episode.title);
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_queue.delFromPlaylist(_episode);
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}
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if (_audioState == BasicPlaybackState.skippingToNext &&
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_episode != null &&
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_backgroundAudioPosition > 0) {
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PlayHistory history = PlayHistory(_episode.title, _episode.enclosureUrl,
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_backgroundAudioPosition / 1000, _seekSliderValue);
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await dbHelper.saveHistory(history);
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}
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if (_audioState == BasicPlaybackState.stopped) _playerRunning = false;
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if (_audioState == BasicPlaybackState.error) {
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_remoteErrorMessage = 'Network Error';
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}
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if (_audioState != BasicPlaybackState.error &&
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_audioState != BasicPlaybackState.paused) {
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_remoteErrorMessage = null;
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}
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_currentPosition = event?.currentPosition ?? 0;
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notifyListeners();
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});
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Timer.periodic(Duration(milliseconds: 500), (timer) {
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if (_noSlide) {
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if (_audioState == BasicPlaybackState.playing) {
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if (_backgroundAudioPosition < _backgroundAudioDuration - 500)
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_backgroundAudioPosition = _currentPosition +
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DateTime.now().difference(_current).inMilliseconds;
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else
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_backgroundAudioPosition = _backgroundAudioDuration;
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} else
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_backgroundAudioPosition = _currentPosition;
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if (_backgroundAudioDuration != null &&
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_backgroundAudioDuration != 0 &&
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_backgroundAudioPosition != null) {
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_seekSliderValue =
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_backgroundAudioPosition / _backgroundAudioDuration ?? 0;
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} else
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_seekSliderValue = 0;
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if (_backgroundAudioPosition > 0) {
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_lastPostion = _backgroundAudioPosition;
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storage.saveInt(_lastPostion);
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}
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if ((_queue.playlist.length == 1 || !_autoPlay) &&
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_seekSliderValue > 0.9 &&
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_episode != null) {
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_queue.delFromPlaylist(_episode);
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_lastPostion = 0;
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storage.saveInt(_lastPostion);
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final PlayHistory history = PlayHistory(
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_episode.title,
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_episode.enclosureUrl,
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backgroundAudioPosition / 1000,
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seekSliderValue);
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dbHelper.saveHistory(history);
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}
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notifyListeners();
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}
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if (_audioState == BasicPlaybackState.stopped) {
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timer.cancel();
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}
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});
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}
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playlistLoad() async {
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await _queue.getPlaylist();
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_backgroundAudioDuration = 0;
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_backgroundAudioPosition = 0;
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_seekSliderValue = 0;
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_episode = _queue.playlist.first;
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_playerRunning = true;
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notifyListeners();
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_startAudioService(_lastPostion ?? 0);
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}
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playNext() async {
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AudioService.skipToNext();
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}
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addToPlaylist(EpisodeBrief episode) async {
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if (_playerRunning) {
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await AudioService.addQueueItem(episode.toMediaItem());
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}
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print('add to playlist when not rnnning');
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await _queue.addToPlayList(episode);
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notifyListeners();
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}
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addToPlaylistAt(EpisodeBrief episode, int index) async {
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if (_playerRunning) {
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await AudioService.addQueueItemAt(episode.toMediaItem(), index);
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}
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print('add to playlist when not rnnning');
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await _queue.addToPlayListAt(episode, index);
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_queueUpdate = !_queueUpdate;
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notifyListeners();
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}
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updateMediaItem(EpisodeBrief episode) async {
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int index = _queue.playlist
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.indexWhere((item) => item.enclosureUrl == episode.enclosureUrl);
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if (index > 0) {
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EpisodeBrief episodeNew =
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await dbHelper.getRssItemWithUrl(episode.enclosureUrl);
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await delFromPlaylist(episode);
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await addToPlaylistAt(episodeNew, index);
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}
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}
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Future<int> delFromPlaylist(EpisodeBrief episode) async {
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if (_playerRunning) {
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await AudioService.removeQueueItem(episode.toMediaItem());
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}
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int index = await _queue.delFromPlaylist(episode);
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notifyListeners();
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return index;
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}
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moveToTop(EpisodeBrief episode) async {
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await delFromPlaylist(episode);
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if (_playerRunning) {
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await addToPlaylistAt(episode, 1);
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} else {
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await addToPlaylistAt(episode, 0);
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_lastPostion = 0;
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storage.saveInt(_lastPostion);
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}
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notifyListeners();
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}
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pauseAduio() async {
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AudioService.pause();
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}
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resumeAudio() async {
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if (_audioState != BasicPlaybackState.connecting &&
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_audioState != BasicPlaybackState.none) AudioService.play();
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}
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forwardAudio(int s) {
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int pos = _backgroundAudioPosition + s * 1000;
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AudioService.seekTo(pos);
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}
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seekTo(int position) async{
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if (_audioState != BasicPlaybackState.connecting &&
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_audioState != BasicPlaybackState.none)
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await AudioService.seekTo(position);
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}
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sliderSeek(double val) async {
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print(val.toString());
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if (_audioState != BasicPlaybackState.connecting &&
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_audioState != BasicPlaybackState.none) {
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_noSlide = false;
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_seekSliderValue = val;
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notifyListeners();
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_currentPosition = (val * _backgroundAudioDuration).toInt();
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await AudioService.seekTo(_currentPosition);
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_noSlide = true;
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}
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}
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//Set sleep time
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sleepTimer(int mins) {
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_showStopWatch = true;
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_switchValue = 1;
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notifyListeners();
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_timeLeft = mins * 60;
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Timer.periodic(Duration(seconds: 1), (timer) {
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if (_timeLeft == 0) {
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timer.cancel();
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notifyListeners();
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} else {
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_timeLeft = _timeLeft - 1;
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notifyListeners();
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}
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});
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_stopTimer = Timer(Duration(minutes: mins), () {
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_stopOnComplete = false;
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_showStopWatch = false;
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_switchValue = 0;
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AudioService.stop();
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notifyListeners();
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});
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}
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//Cancel sleep timer
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cancelTimer() {
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_stopTimer.cancel();
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_timeLeft = 0;
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_showStopWatch = false;
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_switchValue = 0;
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notifyListeners();
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}
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@override
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void dispose() async {
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await AudioService.stop();
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await AudioService.disconnect();
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super.dispose();
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}
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}
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class AudioPlayerTask extends BackgroundAudioTask {
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List<MediaItem> _queue = [];
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AudioPlayer _audioPlayer = AudioPlayer();
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Completer _completer = Completer();
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BasicPlaybackState _skipState;
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bool _playing;
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bool get hasNext => _queue.length > 0;
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MediaItem get mediaItem => _queue.first;
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BasicPlaybackState _stateToBasicState(AudioPlaybackState state) {
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switch (state) {
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case AudioPlaybackState.none:
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return BasicPlaybackState.none;
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case AudioPlaybackState.stopped:
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return _skipState ?? BasicPlaybackState.stopped;
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case AudioPlaybackState.paused:
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return BasicPlaybackState.paused;
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case AudioPlaybackState.playing:
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return BasicPlaybackState.playing;
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case AudioPlaybackState.connecting:
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return _skipState ?? BasicPlaybackState.connecting;
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case AudioPlaybackState.completed:
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return BasicPlaybackState.stopped;
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default:
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throw Exception("Illegal state");
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}
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}
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@override
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Future<void> onStart() async {
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print('start background task');
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var playerStateSubscription = _audioPlayer.playbackStateStream
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.where((state) => state == AudioPlaybackState.completed)
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.listen((state) {
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_handlePlaybackCompleted();
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});
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var eventSubscription = _audioPlayer.playbackEventStream.listen((event) {
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print('buffer position' + event.bufferedPosition.toString());
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if (event.playbackError != null) {
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_setState(state: BasicPlaybackState.error);
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}
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BasicPlaybackState state;
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if (event.buffering) {
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state = BasicPlaybackState.buffering;
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} else {
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state = _stateToBasicState(event.state);
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}
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if (state != BasicPlaybackState.stopped) {
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_setState(
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state: state,
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position: event.position.inMilliseconds,
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);
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}
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});
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await _completer.future;
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playerStateSubscription.cancel();
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eventSubscription.cancel();
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}
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void _handlePlaybackCompleted() {
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if (hasNext) {
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onSkipToNext();
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} else {
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_skipState = BasicPlaybackState.skippingToNext;
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_audioPlayer.stop();
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_queue.removeAt(0);
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_skipState = null;
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onStop();
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}
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}
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void playPause() {
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if (AudioServiceBackground.state.basicState == BasicPlaybackState.playing)
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onPause();
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else
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onPlay();
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}
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@override
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Future<void> onSkipToNext() async {
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if (_playing == null) {
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// First time, we want to start playing
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_playing = true;
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} else {
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// Stop current item
|
|
await _audioPlayer.stop();
|
|
_queue.removeAt(0);
|
|
}
|
|
if (_queue.length == 0) {
|
|
onStop();
|
|
} else {
|
|
AudioServiceBackground.setQueue(_queue);
|
|
AudioServiceBackground.setMediaItem(mediaItem);
|
|
_skipState = BasicPlaybackState.skippingToNext;
|
|
await _audioPlayer.setUrl(mediaItem.id);
|
|
print(mediaItem.id);
|
|
Duration duration = await _audioPlayer.durationFuture ?? Duration.zero;
|
|
AudioServiceBackground.setMediaItem(
|
|
mediaItem.copyWith(duration: duration.inMilliseconds));
|
|
_skipState = null;
|
|
// Resume playback if we were playing
|
|
if (_playing) {
|
|
onPlay();
|
|
} else {
|
|
_setState(state: BasicPlaybackState.paused);
|
|
}
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onPlay() async {
|
|
if (_skipState == null) {
|
|
if (_playing == null) {
|
|
_playing = true;
|
|
AudioServiceBackground.setQueue(_queue);
|
|
await _audioPlayer.setUrl(mediaItem.id);
|
|
Duration duration = await _audioPlayer.durationFuture;
|
|
AudioServiceBackground.setMediaItem(
|
|
mediaItem.copyWith(duration: duration.inMilliseconds));
|
|
}
|
|
_playing = true;
|
|
_audioPlayer.play();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onPause() {
|
|
if (_skipState == null) {
|
|
if (_playing == null) {}
|
|
_playing = false;
|
|
_audioPlayer.pause();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onSeekTo(int position) {
|
|
_audioPlayer.seek(Duration(milliseconds: position));
|
|
}
|
|
|
|
@override
|
|
void onClick(MediaButton button) {
|
|
playPause();
|
|
}
|
|
|
|
@override
|
|
void onStop() async {
|
|
await _audioPlayer.stop();
|
|
_setState(state: BasicPlaybackState.stopped);
|
|
_completer.complete();
|
|
}
|
|
|
|
@override
|
|
void onAddQueueItem(MediaItem mediaItem) async {
|
|
_queue.add(mediaItem);
|
|
AudioServiceBackground.setQueue(_queue);
|
|
}
|
|
|
|
@override
|
|
void onRemoveQueueItem(MediaItem mediaItem) async {
|
|
_queue.removeWhere((item) => item.id == mediaItem.id);
|
|
await AudioServiceBackground.setQueue(_queue);
|
|
}
|
|
|
|
@override
|
|
void onAddQueueItemAt(MediaItem mediaItem, int index) async {
|
|
if (index == 0) {
|
|
await _audioPlayer.stop();
|
|
_queue.removeWhere((item) => item.id == mediaItem.id);
|
|
_queue.insert(0, mediaItem);
|
|
AudioServiceBackground.setQueue(_queue);
|
|
AudioServiceBackground.setMediaItem(mediaItem);
|
|
await _audioPlayer.setUrl(mediaItem.id);
|
|
Duration duration = await _audioPlayer.durationFuture ?? Duration.zero;
|
|
AudioServiceBackground.setMediaItem(
|
|
mediaItem.copyWith(duration: duration.inMilliseconds));
|
|
onPlay();
|
|
} else {
|
|
_queue.insert(index, mediaItem);
|
|
AudioServiceBackground.setQueue(_queue);
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onFastForward() {
|
|
_audioPlayer.seek(Duration(
|
|
milliseconds: AudioServiceBackground.state.position + 30 * 1000));
|
|
}
|
|
|
|
@override
|
|
void onAudioFocusLost() {
|
|
if (_skipState == null) {
|
|
if (_playing == null) {}
|
|
_playing = false;
|
|
_audioPlayer.pause();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onAudioBecomingNoisy() {
|
|
if (_skipState == null) {
|
|
if (_playing == null) {}
|
|
_playing = false;
|
|
_audioPlayer.pause();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onAudioFocusGained() {
|
|
if (_skipState == null) {
|
|
if (_playing == null) {}
|
|
_playing = true;
|
|
_audioPlayer.play();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void onCustomAction(funtion, argument) {
|
|
switch (funtion) {
|
|
case 'addQueue':
|
|
break;
|
|
case 'updateMedia':
|
|
break;
|
|
}
|
|
}
|
|
|
|
void _setState({@required BasicPlaybackState state, int position}) {
|
|
if (position == null) {
|
|
position = _audioPlayer.playbackEvent.position.inMilliseconds;
|
|
}
|
|
AudioServiceBackground.setState(
|
|
controls: getControls(state),
|
|
systemActions: [MediaAction.seekTo],
|
|
basicState: state,
|
|
position: position,
|
|
);
|
|
}
|
|
|
|
List<MediaControl> getControls(BasicPlaybackState state) {
|
|
if (_playing) {
|
|
return [pauseControl, forward30, skipToNextControl, stopControl];
|
|
} else {
|
|
return [playControl, forward30, skipToNextControl, stopControl];
|
|
}
|
|
}
|
|
}
|