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tsacdop-podcast-app-android/lib/state/audiostate.dart
2020-06-28 23:47:29 +08:00

989 lines
30 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'dart:math' as math;
import 'package:path/path.dart';
import 'package:flutter/foundation.dart';
import 'package:audio_service/audio_service.dart';
import 'package:just_audio/just_audio.dart';
import 'package:rxdart/rxdart.dart';
import 'package:dio/dio.dart';
import 'package:path_provider/path_provider.dart';
import '../type/episodebrief.dart';
import '../local_storage/key_value_storage.dart';
import '../local_storage/sqflite_localpodcast.dart';
import '../.env.dart';
MediaControl playControl = MediaControl(
androidIcon: 'drawable/ic_stat_play_circle_filled',
label: 'Play',
action: MediaAction.play,
);
MediaControl pauseControl = MediaControl(
androidIcon: 'drawable/ic_stat_pause_circle_filled',
label: 'Pause',
action: MediaAction.pause,
);
MediaControl skipToNextControl = MediaControl(
androidIcon: 'drawable/baseline_skip_next_white_24',
label: 'Next',
action: MediaAction.skipToNext,
);
MediaControl skipToPreviousControl = MediaControl(
androidIcon: 'drawable/ic_action_skip_previous',
label: 'Previous',
action: MediaAction.skipToPrevious,
);
MediaControl stopControl = MediaControl(
androidIcon: 'drawable/baseline_close_white_24',
label: 'Stop',
action: MediaAction.stop,
);
MediaControl forward30 = MediaControl(
androidIcon: 'drawable/ic_stat_forward_30',
label: 'forward30',
action: MediaAction.fastForward,
);
void _audioPlayerTaskEntrypoint() async {
AudioServiceBackground.run(() => AudioPlayerTask());
}
class PlayHistory {
DBHelper dbHelper = DBHelper();
String title;
String url;
double seconds;
double seekValue;
DateTime playdate;
PlayHistory(this.title, this.url, this.seconds, this.seekValue,
{this.playdate});
EpisodeBrief _episode;
EpisodeBrief get episode => _episode;
getEpisode() async {
_episode = await dbHelper.getRssItemWithUrl(url);
}
}
class Playlist {
String name;
DBHelper dbHelper = DBHelper();
List<EpisodeBrief> _playlist;
List<EpisodeBrief> get playlist => _playlist;
KeyValueStorage storage = KeyValueStorage('playlist');
getPlaylist() async {
List<String> urls = await storage.getStringList();
if (urls.length == 0) {
_playlist = [];
} else {
_playlist = [];
await Future.forEach(urls, (url) async {
EpisodeBrief episode = await dbHelper.getRssItemWithUrl(url);
if (episode != null) _playlist.add(episode);
});
}
}
savePlaylist() async {
List<String> urls = [];
urls.addAll(_playlist.map((e) => e.enclosureUrl));
await storage.saveStringList(urls.toSet().toList());
}
addToPlayList(EpisodeBrief episodeBrief) async {
if (!_playlist.contains(episodeBrief)) {
_playlist.add(episodeBrief);
await savePlaylist();
dbHelper.removeEpisodeNewMark(episodeBrief.enclosureUrl);
}
}
addToPlayListAt(EpisodeBrief episodeBrief, int index) async {
if (!_playlist.contains(episodeBrief)) {
_playlist.insert(index, episodeBrief);
await savePlaylist();
dbHelper.removeEpisodeNewMark(episodeBrief.enclosureUrl);
}
}
Future<int> delFromPlaylist(EpisodeBrief episodeBrief) async {
int index = _playlist.indexOf(episodeBrief);
_playlist.removeWhere(
(episode) => episode.enclosureUrl == episodeBrief.enclosureUrl);
print('delete' + episodeBrief.title);
await savePlaylist();
return index;
}
}
enum SleepTimerMode { endOfEpisode, timer, undefined }
enum ShareStatus { generate, download, complete, undefined, error }
class AudioPlayerNotifier extends ChangeNotifier {
DBHelper dbHelper = DBHelper();
KeyValueStorage positionStorage = KeyValueStorage(audioPositionKey);
KeyValueStorage autoPlayStorage = KeyValueStorage(autoPlayKey);
KeyValueStorage autoSleepTimerStorage = KeyValueStorage(autoSleepTimerKey);
KeyValueStorage defaultSleepTimerStorage =
KeyValueStorage(defaultSleepTimerKey);
KeyValueStorage autoSleepTimerModeStorage =
KeyValueStorage(autoSleepTimerModeKey);
KeyValueStorage autoSleepTimerStartStorage =
KeyValueStorage(autoSleepTimerStartKey);
KeyValueStorage autoSleepTimerEndStorage =
KeyValueStorage(autoSleepTimerEndKey);
EpisodeBrief _episode;
Playlist _queue = Playlist();
bool _queueUpdate = false;
BasicPlaybackState _audioState = BasicPlaybackState.none;
bool _playerRunning = false;
bool _noSlide = true;
int _backgroundAudioDuration = 0;
int _backgroundAudioPosition = 0;
String _remoteErrorMessage;
double _seekSliderValue = 0.0;
int _lastPostion = 0;
bool _stopOnComplete = false;
Timer _stopTimer;
int _timeLeft = 0;
bool _startSleepTimer = false;
double _switchValue = 0;
SleepTimerMode _sleepTimerMode = SleepTimerMode.undefined;
//Auto stop at the end of episode when you start play at scheduled time.
bool _autoSleepTimer;
//Default sleep timer time.
ShareStatus _shareStatus = ShareStatus.undefined;
String _shareFile = '';
//set autoplay episode in playlist
bool _autoPlay;
DateTime _current;
int _currentPosition;
double _currentSpeed = 1;
BehaviorSubject<List<MediaItem>> queueSubject;
//Update episode card when setting changed
bool _episodeState = false;
BasicPlaybackState get audioState => _audioState;
int get backgroundAudioDuration => _backgroundAudioDuration;
int get backgroundAudioPosition => _backgroundAudioPosition;
double get seekSliderValue => _seekSliderValue;
String get remoteErrorMessage => _remoteErrorMessage;
bool get playerRunning => _playerRunning;
int get lastPositin => _lastPostion;
Playlist get queue => _queue;
bool get queueUpdate => _queueUpdate;
EpisodeBrief get episode => _episode;
bool get stopOnComplete => _stopOnComplete;
bool get startSleepTimer => _startSleepTimer;
SleepTimerMode get sleepTimerMode => _sleepTimerMode;
ShareStatus get shareStatus => _shareStatus;
String get shareFile => _shareFile;
//bool get autoPlay => _autoPlay;
int get timeLeft => _timeLeft;
double get switchValue => _switchValue;
double get currentSpeed => _currentSpeed;
bool get episodeState => _episodeState;
bool get autoSleepTimer => _autoSleepTimer;
set setSwitchValue(double value) {
_switchValue = value;
notifyListeners();
}
set setShareStatue(ShareStatus status) {
_shareStatus = status;
notifyListeners();
}
set setEpisodeState(bool boo) {
_episodeState = !_episodeState;
notifyListeners();
}
Future _getAutoPlay() async {
int i = await autoPlayStorage.getInt();
_autoPlay = i == 0;
}
Future _getAutoSleepTimer() async {
int i = await autoSleepTimerStorage.getInt();
_autoSleepTimer = i == 1;
}
set setSleepTimerMode(SleepTimerMode timer) {
_sleepTimerMode = timer;
notifyListeners();
}
@override
void addListener(VoidCallback listener) async {
super.addListener(listener);
_queueUpdate = false;
await _getAutoSleepTimer();
await AudioService.connect();
bool running = AudioService.running;
if (running) {}
}
loadPlaylist() async {
await _queue.getPlaylist();
await _getAutoPlay();
// await _getAutoAdd();
// await addNewEpisode('all');
_lastPostion = await positionStorage.getInt();
if (_lastPostion > 0 && _queue.playlist.length > 0) {
final EpisodeBrief episode = _queue.playlist.first;
final int duration = episode.duration * 1000;
final double seekValue = duration != 0 ? _lastPostion / duration : 1;
final PlayHistory history = PlayHistory(
episode.title, episode.enclosureUrl, _lastPostion / 1000, seekValue);
await dbHelper.saveHistory(history);
}
KeyValueStorage lastWorkStorage = KeyValueStorage(lastWorkKey);
await lastWorkStorage.saveInt(0);
}
episodeLoad(EpisodeBrief episode, {int startPosition = 0}) async {
print(episode.enclosureUrl);
final EpisodeBrief episodeNew =
await dbHelper.getRssItemWithUrl(episode.enclosureUrl);
//TODO load episode from last position when player running
if (_playerRunning) {
PlayHistory history = PlayHistory(_episode.title, _episode.enclosureUrl,
backgroundAudioPosition / 1000, seekSliderValue);
await dbHelper.saveHistory(history);
AudioService.addQueueItemAt(episodeNew.toMediaItem(), 0);
_queue.playlist
.removeWhere((item) => item.enclosureUrl == episode.enclosureUrl);
_queue.playlist.insert(0, episodeNew);
notifyListeners();
await _queue.savePlaylist();
} else {
await _queue.getPlaylist();
await _queue.delFromPlaylist(episode);
await _queue.addToPlayListAt(episodeNew, 0);
_backgroundAudioDuration = 0;
_backgroundAudioPosition = 0;
_seekSliderValue = 0;
_episode = episodeNew;
_playerRunning = true;
_audioState = BasicPlaybackState.connecting;
notifyListeners();
//await _queue.savePlaylist();
_startAudioService(startPosition, episodeNew.enclosureUrl);
if (episodeNew.isNew == 1) {
await dbHelper.removeEpisodeNewMark(episodeNew.enclosureUrl);
}
}
}
_startAudioService(int position, String url) async {
_stopOnComplete = false;
_sleepTimerMode = SleepTimerMode.undefined;
if (!AudioService.connected) {
await AudioService.connect();
}
await AudioService.start(
backgroundTaskEntrypoint: _audioPlayerTaskEntrypoint,
androidNotificationChannelName: 'Tsacdop',
notificationColor: 0xFF4d91be,
androidNotificationIcon: 'drawable/ic_notification',
enableQueue: true,
androidStopOnRemoveTask: true,
androidStopForegroundOnPause: true);
//Check autoplay setting
await _getAutoPlay();
if (_autoPlay) {
await Future.forEach(_queue.playlist, (episode) async {
await AudioService.addQueueItem(episode.toMediaItem());
});
} else {
await AudioService.addQueueItem(_queue.playlist.first.toMediaItem());
}
//Check auto sleep timer setting
await _getAutoSleepTimer();
if (_autoSleepTimer) {
int startTime =
await autoSleepTimerStartStorage.getInt(defaultValue: 1380);
int endTime = await autoSleepTimerEndStorage.getInt(defaultValue: 360);
int currentTime = DateTime.now().hour * 60 + DateTime.now().minute;
if ((startTime > endTime &&
(currentTime > startTime || currentTime > endTime)) ||
((startTime < endTime) &&
(currentTime > startTime && currentTime < endTime))) {
int mode = await autoSleepTimerModeStorage.getInt();
_sleepTimerMode = SleepTimerMode.values[mode];
int defaultTimer =
await defaultSleepTimerStorage.getInt(defaultValue: 30);
sleepTimer(defaultTimer);
}
}
_playerRunning = true;
await AudioService.play();
AudioService.currentMediaItemStream
.where((event) => event != null)
.listen((item) async {
EpisodeBrief episode = await dbHelper.getRssItemWithMediaId(item.id);
if (episode != null) {
_episode = episode;
_backgroundAudioDuration = item?.duration ?? 0;
if (position > 0 &&
_backgroundAudioDuration > 0 &&
_episode.enclosureUrl == url) {
AudioService.seekTo(position);
position = 0;
}
notifyListeners();
} else {
_queue.playlist.removeAt(0);
AudioService.skipToNext();
}
});
queueSubject = BehaviorSubject<List<MediaItem>>();
queueSubject.addStream(
AudioService.queueStream.distinct().where((event) => event != null));
queueSubject.stream.listen((event) {
if (event.length == _queue.playlist.length - 1 &&
_audioState == BasicPlaybackState.skippingToNext) {
if (event.length == 0 || _stopOnComplete) {
_queue.delFromPlaylist(_episode);
_lastPostion = 0;
notifyListeners();
positionStorage.saveInt(_lastPostion);
final PlayHistory history = PlayHistory(
_episode.title,
_episode.enclosureUrl,
backgroundAudioPosition / 1000,
seekSliderValue);
dbHelper.saveHistory(history);
} else if (event.first.id != _episode.mediaId) {
_lastPostion = 0;
notifyListeners();
positionStorage.saveInt(_lastPostion);
_queue.delFromPlaylist(_episode);
final PlayHistory history = PlayHistory(
_episode.title,
_episode.enclosureUrl,
backgroundAudioPosition / 1000,
seekSliderValue);
dbHelper.saveHistory(history);
}
}
});
AudioService.playbackStateStream.listen((event) async {
_current = DateTime.now();
_audioState = event?.basicState;
if (_audioState == BasicPlaybackState.stopped) {
_playerRunning = false;
if (_switchValue > 0) _switchValue = 0;
}
if (_audioState == BasicPlaybackState.error) {
_remoteErrorMessage = 'Network Error';
}
if (_audioState != BasicPlaybackState.error &&
_audioState != BasicPlaybackState.paused) {
_remoteErrorMessage = null;
}
_currentPosition = event?.currentPosition ?? 0;
notifyListeners();
});
//double s = _currentSpeed ?? 1.0;
int getPosition = 0;
Timer.periodic(Duration(milliseconds: 500), (timer) {
double s = _currentSpeed ?? 1.0;
if (_noSlide) {
if (_audioState == BasicPlaybackState.playing) {
getPosition = _currentPosition +
((DateTime.now().difference(_current).inMilliseconds) * s)
.toInt();
_backgroundAudioPosition = getPosition < _backgroundAudioDuration
? getPosition
: _backgroundAudioDuration;
} else
_backgroundAudioPosition = _currentPosition ?? 0;
if (_backgroundAudioDuration != null &&
_backgroundAudioDuration != 0 &&
_backgroundAudioPosition != null) {
_seekSliderValue =
_backgroundAudioPosition / _backgroundAudioDuration ?? 0;
} else
_seekSliderValue = 0;
if (_backgroundAudioPosition > 0 &&
_backgroundAudioPosition < _backgroundAudioDuration) {
_lastPostion = _backgroundAudioPosition;
positionStorage.saveInt(_lastPostion);
}
notifyListeners();
}
if (_audioState == BasicPlaybackState.stopped) {
timer.cancel();
}
});
}
playlistLoad() async {
await _queue.getPlaylist();
_backgroundAudioDuration = 0;
_backgroundAudioPosition = 0;
_seekSliderValue = 0;
_episode = _queue.playlist.first;
_playerRunning = true;
_audioState = BasicPlaybackState.connecting;
_queueUpdate = !_queueUpdate;
notifyListeners();
_startAudioService(_lastPostion ?? 0, _queue.playlist.first.enclosureUrl);
}
playNext() async {
await AudioService.skipToNext();
}
addToPlaylist(EpisodeBrief episode) async {
if (!_queue.playlist.contains(episode)) {
if (_playerRunning) {
await AudioService.addQueueItem(episode.toMediaItem());
}
await _queue.addToPlayList(episode);
notifyListeners();
}
}
addToPlaylistAt(EpisodeBrief episode, int index) async {
if (_playerRunning) {
await AudioService.addQueueItemAt(episode.toMediaItem(), index);
}
await _queue.addToPlayListAt(episode, index);
_queueUpdate = !_queueUpdate;
notifyListeners();
}
addNewEpisode(List<String> group) async {
List<EpisodeBrief> newEpisodes = [];
if (group.first == 'All')
newEpisodes = await dbHelper.getRecentNewRssItem();
else
newEpisodes = await dbHelper.getGroupNewRssItem(group);
if (newEpisodes.length > 0 && newEpisodes.length < 100)
await Future.forEach(newEpisodes, (episode) async {
await addToPlaylist(episode);
});
if (group.first == 'All')
await dbHelper.removeAllNewMark();
else
await dbHelper.removeGroupNewMark(group);
}
updateMediaItem(EpisodeBrief episode) async {
int index = _queue.playlist
.indexWhere((item) => item.enclosureUrl == episode.enclosureUrl);
if (index > 0) {
EpisodeBrief episodeNew =
await dbHelper.getRssItemWithUrl(episode.enclosureUrl);
await delFromPlaylist(episode);
await addToPlaylistAt(episodeNew, index);
}
}
Future<int> delFromPlaylist(EpisodeBrief episode) async {
if (_playerRunning) {
await AudioService.removeQueueItem(episode.toMediaItem());
}
int index = await _queue.delFromPlaylist(episode);
_queueUpdate = !_queueUpdate;
notifyListeners();
return index;
}
moveToTop(EpisodeBrief episode) async {
await delFromPlaylist(episode);
if (_playerRunning) {
await addToPlaylistAt(episode, 1);
} else {
await addToPlaylistAt(episode, 0);
_lastPostion = 0;
positionStorage.saveInt(_lastPostion);
}
notifyListeners();
}
pauseAduio() async {
AudioService.pause();
}
resumeAudio() async {
if (_audioState != BasicPlaybackState.connecting &&
_audioState != BasicPlaybackState.none) AudioService.play();
}
forwardAudio(int s) {
int pos = _backgroundAudioPosition + s * 1000;
AudioService.seekTo(pos);
}
seekTo(int position) async {
if (_audioState != BasicPlaybackState.connecting &&
_audioState != BasicPlaybackState.none)
await AudioService.seekTo(position);
}
sliderSeek(double val) async {
if (_audioState != BasicPlaybackState.connecting &&
_audioState != BasicPlaybackState.none) {
_noSlide = false;
_seekSliderValue = val;
notifyListeners();
_currentPosition = (val * _backgroundAudioDuration).toInt();
await AudioService.seekTo(_currentPosition);
_noSlide = true;
}
}
setSpeed(double speed) async {
await AudioService.customAction('setSpeed', speed);
_currentSpeed = speed;
notifyListeners();
}
//Set sleep timer
sleepTimer(int mins) {
if (_sleepTimerMode == SleepTimerMode.timer) {
_startSleepTimer = true;
_switchValue = 1;
notifyListeners();
_timeLeft = mins * 60;
Timer.periodic(Duration(seconds: 1), (timer) {
if (_timeLeft == 0) {
timer.cancel();
notifyListeners();
} else {
_timeLeft = _timeLeft - 1;
notifyListeners();
}
});
_stopTimer = Timer(Duration(minutes: mins), () {
_stopOnComplete = false;
_startSleepTimer = false;
_switchValue = 0;
_playerRunning = false;
notifyListeners();
AudioService.stop();
AudioService.disconnect();
});
} else if (_sleepTimerMode == SleepTimerMode.endOfEpisode) {
_stopOnComplete = true;
_switchValue = 1;
notifyListeners();
if (_queue.playlist.length > 1 && _autoPlay) {
AudioService.customAction('stopAtEnd');
}
}
}
//Cancel sleep timer
cancelTimer() {
if (_sleepTimerMode == SleepTimerMode.timer) {
_stopTimer.cancel();
_timeLeft = 0;
_startSleepTimer = false;
_switchValue = 0;
notifyListeners();
} else if (_sleepTimerMode == SleepTimerMode.endOfEpisode) {
AudioService.customAction('cancelStopAtEnd');
_switchValue = 0;
_stopOnComplete = false;
notifyListeners();
}
}
shareClip(int start, int duration) async {
_shareStatus = ShareStatus.generate;
notifyListeners();
int length = math.min(duration, (_backgroundAudioDuration ~/ 1000 - start));
final BaseOptions options = BaseOptions(
connectTimeout: 60000,
receiveTimeout: 120000,
);
String imageUrl = await dbHelper.getImageUrl(_episode.enclosureUrl);
String url = "https://podcastapi.stonegate.me/clip?" +
"audio_link=${_episode.enclosureUrl}&image_link=$imageUrl&title=${_episode.feedTitle}" +
"&text=${_episode.title}&start=$start&length=$length";
String shareKey = environment['shareKey'];
try {
Response response = await Dio(options).get(url,
options: Options(headers: {
'X-Share-Key': "$shareKey",
}));
String shareLink = response.data;
print(shareLink);
String fileName = _episode.title + start.toString() + '.mp4';
_shareStatus = ShareStatus.download;
notifyListeners();
Directory dir = await getTemporaryDirectory();
String shareDir = join(dir.path, 'share', fileName);
try {
await Dio().download(shareLink, shareDir);
_shareFile = shareDir;
_shareStatus = ShareStatus.complete;
notifyListeners();
} on DioError catch (e) {
print(e);
_shareStatus = ShareStatus.error;
notifyListeners();
}
} catch (e) {
print(e);
_shareStatus = ShareStatus.error;
notifyListeners();
}
}
@override
void dispose() async {
await AudioService.stop();
await AudioService.disconnect();
//_playerRunning = false;
super.dispose();
}
}
class AudioPlayerTask extends BackgroundAudioTask {
KeyValueStorage cacheStorage = KeyValueStorage(cacheMaxKey);
List<MediaItem> _queue = [];
AudioPlayer _audioPlayer = AudioPlayer();
Completer _completer = Completer();
BasicPlaybackState _skipState;
bool _lostFocus;
bool _playing;
bool _stopAtEnd;
int cacheMax;
bool get hasNext => _queue.length > 0;
MediaItem get mediaItem => _queue.length > 0 ? _queue.first : null;
BasicPlaybackState _stateToBasicState(AudioPlaybackState state) {
switch (state) {
case AudioPlaybackState.none:
return BasicPlaybackState.none;
case AudioPlaybackState.stopped:
return _skipState ?? BasicPlaybackState.stopped;
case AudioPlaybackState.paused:
return BasicPlaybackState.paused;
case AudioPlaybackState.playing:
return BasicPlaybackState.playing;
case AudioPlaybackState.connecting:
return _skipState ?? BasicPlaybackState.connecting;
case AudioPlaybackState.completed:
return BasicPlaybackState.stopped;
default:
throw Exception("Illegal state");
}
}
@override
Future<void> onStart() async {
_stopAtEnd = false;
_lostFocus = false;
var playerStateSubscription = _audioPlayer.playbackStateStream
.where((state) => state == AudioPlaybackState.completed)
.listen((state) {
_handlePlaybackCompleted();
});
var eventSubscription = _audioPlayer.playbackEventStream.listen((event) {
if (event.playbackError != null) {
_setState(state: _skipState ?? BasicPlaybackState.error);
}
BasicPlaybackState state;
if (event.buffering) {
state = _skipState ?? BasicPlaybackState.buffering;
} else {
state = _stateToBasicState(event.state);
}
if (state != BasicPlaybackState.stopped) {
_setState(
state: state,
position: event.position.inMilliseconds,
speed: event.speed,
);
}
});
await _completer.future;
playerStateSubscription.cancel();
eventSubscription.cancel();
}
void _handlePlaybackCompleted() async {
if (hasNext) {
onSkipToNext();
} else {
_audioPlayer.stop();
_queue.removeAt(0);
await AudioServiceBackground.setQueue(_queue);
onStop();
}
}
void playPause() {
if (AudioServiceBackground.state.basicState == BasicPlaybackState.playing)
onPause();
else
onPlay();
}
@override
Future<void> onSkipToNext() async {
_skipState = BasicPlaybackState.skippingToNext;
await _audioPlayer.stop();
if (_queue.length > 0) _queue.removeAt(0);
await AudioServiceBackground.setQueue(_queue);
// }
if (_queue.length == 0 || _stopAtEnd) {
// await Future.delayed(Duration(milliseconds: 300));
_skipState = null;
onStop();
} else {
await AudioServiceBackground.setQueue(_queue);
await AudioServiceBackground.setMediaItem(mediaItem);
await _audioPlayer.setUrl(mediaItem.id, cacheMax);
print(mediaItem.title);
Duration duration = await _audioPlayer.durationFuture;
if (duration != null)
await AudioServiceBackground.setMediaItem(
mediaItem.copyWith(duration: duration.inMilliseconds));
_skipState = null;
// Resume playback if we were playing
// if (_playing) {
//onPlay();
playFromStart();
// } else {
// _setState(state: BasicPlaybackState.paused);
// }
}
}
@override
void onPlay() async {
if (_skipState == null) {
if (_playing == null) {
_playing = true;
int cache = await cacheStorage.getInt();
cacheMax = cache == 0 ? 500 * 1024 * 1024 : cache;
// await AudioServiceBackground.setQueue(_queue);
await _audioPlayer.setUrl(mediaItem.id, cacheMax);
var duration = await _audioPlayer.durationFuture;
if (duration != null)
await AudioServiceBackground.setMediaItem(
mediaItem.copyWith(duration: duration.inMilliseconds));
playFromStart();
}
// if (mediaItem.extras['skip'] > 0) {
// await _audioPlayer.setClip(
// start: Duration(seconds: 60));
// print(mediaItem.extras['skip']);
// print('set clip success');
// }
else {
_playing = true;
if (_audioPlayer.playbackEvent.state != AudioPlaybackState.connecting ||
_audioPlayer.playbackEvent.state != AudioPlaybackState.none)
_audioPlayer.play();
}
// if (mediaItem.extras['skip'] >
// _audioPlayer.playbackEvent.position.inSeconds ??
// 0) {
// _audioPlayer.seek(Duration(seconds: mediaItem.extras['skip']));
// }
}
}
playFromStart() async {
_playing = true;
if (_audioPlayer.playbackEvent.state != AudioPlaybackState.connecting ||
_audioPlayer.playbackEvent.state != AudioPlaybackState.none)
try {
_audioPlayer.play();
} catch (e) {
_setState(state: BasicPlaybackState.error);
}
if (mediaItem.extras['skip'] > 0) {
_audioPlayer.seek(Duration(seconds: mediaItem.extras['skip']));
}
}
@override
void onPause() {
if (_skipState == null) {
if (_playing == null) {
} else if (_audioPlayer.playbackEvent.state ==
AudioPlaybackState.playing) {
_playing = false;
_audioPlayer.pause();
}
}
}
@override
void onSeekTo(int position) {
if (_audioPlayer.playbackEvent.state != AudioPlaybackState.connecting ||
_audioPlayer.playbackEvent.state != AudioPlaybackState.none)
_audioPlayer.seek(Duration(milliseconds: position));
}
@override
void onClick(MediaButton button) {
if (button == MediaButton.media)
playPause();
else if (button == MediaButton.next)
_audioPlayer.seek(Duration(
milliseconds: AudioServiceBackground.state.position + 30 * 1000));
else if (button == MediaButton.previous)
_audioPlayer.seek(Duration(
milliseconds: AudioServiceBackground.state.position - 10 * 1000));
}
@override
void onStop() async {
await _audioPlayer.stop();
await _audioPlayer.dispose();
_setState(state: BasicPlaybackState.stopped);
await Future.delayed(Duration(milliseconds: 300));
_completer?.complete();
}
@override
void onAddQueueItem(MediaItem mediaItem) async {
_queue.add(mediaItem);
await 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);
await AudioServiceBackground.setQueue(_queue);
await AudioServiceBackground.setMediaItem(mediaItem);
await _audioPlayer.setUrl(mediaItem.id, cacheMax);
Duration duration = await _audioPlayer.durationFuture ?? Duration.zero;
AudioServiceBackground.setMediaItem(
mediaItem.copyWith(duration: duration.inMilliseconds));
playFromStart();
//onPlay();
} else {
_queue.insert(index, mediaItem);
await AudioServiceBackground.setQueue(_queue);
}
}
@override
void onFastForward() {
_audioPlayer.seek(Duration(
milliseconds: AudioServiceBackground.state.position + 30 * 1000));
}
@override
void onRewind() {
_audioPlayer.seek(Duration(
milliseconds: AudioServiceBackground.state.position - 10 * 1000));
}
@override
void onAudioFocusLost() {
if (_skipState == null) {
if (_playing == null) {
} else if (_audioPlayer.playbackEvent.state ==
AudioPlaybackState.playing) {
_playing = false;
_lostFocus = true;
_audioPlayer.pause();
}
}
}
@override
void onAudioBecomingNoisy() {
if (_skipState == null) {
if (_playing == null) {
} else if (_audioPlayer.playbackEvent.state ==
AudioPlaybackState.playing) {
_playing = false;
_audioPlayer.pause();
}
}
}
@override
void onAudioFocusGained() {
if (_skipState == null) {
if (_lostFocus) {
_lostFocus = false;
_playing = true;
_audioPlayer.play();
}
}
}
@override
Future onCustomAction(funtion, argument) async {
switch (funtion) {
case 'stopAtEnd':
_stopAtEnd = true;
break;
case 'cancelStopAtEnd':
_stopAtEnd = false;
break;
case 'setSpeed':
await _audioPlayer.setSpeed(argument);
break;
}
}
void _setState(
{@required BasicPlaybackState state, int position, double speed}) {
if (position == null) {
position = _audioPlayer.playbackEvent.position.inMilliseconds;
}
if (speed == null) {
speed = _audioPlayer.playbackEvent.speed;
}
AudioServiceBackground.setState(
controls: getControls(state),
systemActions: [MediaAction.seekTo],
basicState: state,
position: position,
speed: speed,
);
}
List<MediaControl> getControls(BasicPlaybackState state) {
if (_playing) {
return [pauseControl, forward30, skipToNextControl, stopControl];
} else {
return [playControl, forward30, skipToNextControl, stopControl];
}
}
}