private async void PlayerService_TrackChanged(IPlayerService sender, TrackChangedEventArgs e)
{
_currentTrackId = e.TrackID;
if (Tracks == null)
{
return;
}
if (_currentTrackId >= 0)
{
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (CurrentTrack != null)
{
CurrentTrack.IsCurrent = false;
}
CurrentTrack = Tracks[_currentTrackId];
CurrentTrack.IsCurrent = true;
_position = TimeSpan.Zero;
OnPropertyChanged(nameof(Position));
Duration = TimeSpan.FromSeconds(1);
TrackChanged?.Invoke(this, CurrentTrack);
ShowLyricsCommand.RaiseCanExecuteChanged();
DownloadTrackCommand.RaiseCanExecuteChanged();
});
LoadArtistImage(CurrentTrack.Track);
LoadTrackImage(CurrentTrack.Track);
}
}
private async void LoadPlayerState()
{
_appLoaderService.Show();
RepeatMode = _playerService.RepeatMode;
_isShuffleMode = _playerService.IsShuffleMode;
OnPropertyChanged(nameof(IsShuffleMode));
_isScrobbleMode = _playerService.IsScrobbleMode;
OnPropertyChanged(nameof(IsScrobbleMode));
IsPlaying = _playerService.CurrentState == PlayerState.Playing;
_currentTrackId = _playerService.CurrentTrackID;
Duration = _playerService.Duration;
_position = _playerService.Position;
OnPropertyChanged(nameof(Position));
IEnumerable <IPlayerTrack> loadedPlaylist = null;
if (IsShuffleMode)
{
loadedPlaylist = await _playerPlaylistService.ReadShuffledPlaylist();
}
else
{
loadedPlaylist = await _playerPlaylistService.ReadPlaylist();
}
if (loadedPlaylist == null)
{
await Task.Delay(1);
_navigationService.Navigate("NoTracksView", null);
_navigationService.RemoveLastPage("PlayerView");
_appLoaderService.Hide();
return;
}
else
{
_tracks = loadedPlaylist.ToList();
}
Tracks = new ObservableCollection <PlayerItem>(_tracks.Select(t => new PlayerItem {
Track = t
}));
if (_currentTrackId >= 0)
{
CurrentTrack = Tracks[_currentTrackId];
CurrentTrack.IsCurrent = true;
LoadArtistImage(CurrentTrack.Track);
LoadTrackImage(CurrentTrack.Track);
ShowLyricsCommand.RaiseCanExecuteChanged();
DownloadTrackCommand.RaiseCanExecuteChanged();
}
CanShuffle = true;
_appLoaderService.Hide();
UpdateAppBarState(CurrentPivotIndex);
TryShowLikeInfo();
}