/// <summary>
/// Initializes a new instance of the <see cref="PlayQueueViewModel"/> class.
/// </summary>
/// <param name="eventAggregator">The event aggregator.</param>
/// <param name="playbackService">The playback service.</param>
/// <param name="openSynoSettings"></param>
public PlayQueueViewModel(IEventAggregator eventAggregator, IPlaybackService playbackService, INotificationService notificationService, IOpenSynoSettings openSynoSettings, ILogService logService, ITrackViewModelFactory trackViewModelFactory, IPageSwitchingService pageSwitchingService)
{
if (eventAggregator == null)
{
throw new ArgumentNullException("eventAggregator");
}
if (playbackService == null)
{
throw new ArgumentNullException("playbackService");
}
if (notificationService == null)
{
throw new ArgumentNullException("notificationService");
}
if (openSynoSettings == null)
{
throw new ArgumentNullException("openSynoSettings");
}
if (trackViewModelFactory == null)
{
throw new ArgumentNullException("trackViewModelFactory");
}
if (pageSwitchingService == null)
{
throw new ArgumentNullException("pageSwitchingService");
}
_trackViewModelFactory = trackViewModelFactory;
RemoveTracksFromQueueCommand = new DelegateCommand<IEnumerable<object>>(OnRemoveTracksFromQueue);
Action consecutiveAlbumsIdPatcher = () =>
{
var previousAlbumGuid = Guid.Empty;
string previousAlbumId = null;
foreach (var trackViewModel in this.PlayQueueItems)
{
if (previousAlbumId != trackViewModel.TrackInfo.ItemPid)
{
previousAlbumId = trackViewModel.TrackInfo.ItemPid;
previousAlbumGuid = Guid.NewGuid();
}
trackViewModel.ConsecutiveAlbumIdentifier = previousAlbumGuid;
}
};
_playbackService = playbackService;
this.PlayQueueItems = new ObservableCollection<TrackViewModel>(playbackService.GetTracksInQueue().Select(o => _trackViewModelFactory.Create(o.Guid, o.Track, this._pageSwitchingService)));
this.PlayQueueItems.CollectionChanged += (s, ea) =>
{
consecutiveAlbumsIdPatcher();
};
consecutiveAlbumsIdPatcher();
_playbackService.PlayqueueChanged += this.OnPlayqueueChanged;
// FIXME : using aggregated event is not a great idea here : we'd rather use a service : that would be cleaner and easier to debug !
eventAggregator.GetEvent<CompositePresentationEvent<PlayListOperationAggregatedEvent>>().Subscribe(OnPlayListOperation, true);
this._notificationService = notificationService;
_openSynoSettings = openSynoSettings;
_logService = logService;
_pageSwitchingService = pageSwitchingService;
_playbackService.TrackStarted += (o, e) =>
{
CurrentArtwork = new Uri(e.Track.AlbumArtUrl, UriKind.Absolute);
this.ActiveTrack = this._trackViewModelFactory.Create(e.Guid, e.Track, this._pageSwitchingService);
};
_playbackService.BufferingProgressUpdated += (o, e) =>
{
// throttle refresh through binding.
if (_lastBufferProgressUpdate.AddMilliseconds(500) < DateTime.Now || e.BytesLeft == 0)
{
_lastBufferProgressUpdate = DateTime.Now;
this.BufferedBytesCount = e.FileSize - e.BytesLeft;
this.CurrentFileSize = e.FileSize;
Debug.WriteLine("Download progress : " + (double)(e.FileSize - e.BytesLeft) / (double)e.FileSize * (double)100.0);
}
};
_playbackService.TrackCurrentPositionChanged += (o, e) =>
{
CurrentPlaybackPercentComplete = e.PlaybackPercentComplete;;
CurrentTrackPosition = e.Position;
};
PlayCommand = new DelegateCommand<TrackViewModel>(o => OnPlay(o), track => track != null);
PlayNextCommand = new DelegateCommand(OnPlayNext);
PausePlaybackCommand = new DelegateCommand(OnPausePlayback);
ResumePlaybackCommand = new DelegateCommand(OnResumePlayback);
PlayPreviousCommand = new DelegateCommand(OnPlayPrevious);
SavePlaylistCommand = new DelegateCommand<IEnumerable<TrackViewModel>>(OnSavePlaylist);
SelectAllAlbumTracksCommand = new DelegateCommand<Guid>(OnSelectAllAlbumTracks);
}
/// <summary>
/// Initializes a new instance of the <see cref="PlayQueueViewModel"/> class.
/// </summary>
/// <param name="eventAggregator">The event aggregator.</param>
/// <param name="playbackService">The playback service.</param>
/// <param name="openSynoSettings"></param>
public PlayQueueViewModel(IEventAggregator eventAggregator, IPlaybackService playbackService, INotificationService notificationService, IOpenSynoSettings openSynoSettings, ILogService logService, ITrackViewModelFactory trackViewModelFactory, IPageSwitchingService pageSwitchingService)
{
if (eventAggregator == null)
{
throw new ArgumentNullException("eventAggregator");
}
if (playbackService == null)
{
throw new ArgumentNullException("playbackService");
}
if (notificationService == null)
{
throw new ArgumentNullException("notificationService");
}
if (openSynoSettings == null)
{
throw new ArgumentNullException("openSynoSettings");
}
if (trackViewModelFactory == null)
{
throw new ArgumentNullException("trackViewModelFactory");
}
if (pageSwitchingService == null)
{
throw new ArgumentNullException("pageSwitchingService");
}
_trackViewModelFactory = trackViewModelFactory;
RemoveTracksFromQueueCommand = new DelegateCommand <IEnumerable <object> >(OnRemoveTracksFromQueue);
Action consecutiveAlbumsIdPatcher = () =>
{
var previousAlbumGuid = Guid.Empty;
string previousAlbumId = null;
foreach (var trackViewModel in this.PlayQueueItems)
{
if (previousAlbumId != trackViewModel.TrackInfo.ItemPid)
{
previousAlbumId = trackViewModel.TrackInfo.ItemPid;
previousAlbumGuid = Guid.NewGuid();
}
trackViewModel.ConsecutiveAlbumIdentifier = previousAlbumGuid;
}
};
_playbackService = playbackService;
this.PlayQueueItems = new ObservableCollection <TrackViewModel>(playbackService.GetTracksInQueue().Select(o => _trackViewModelFactory.Create(o.Guid, o.Track, this._pageSwitchingService)));
this.PlayQueueItems.CollectionChanged += (s, ea) =>
{
consecutiveAlbumsIdPatcher();
};
consecutiveAlbumsIdPatcher();
_playbackService.PlayqueueChanged += this.OnPlayqueueChanged;
// FIXME : using aggregated event is not a great idea here : we'd rather use a service : that would be cleaner and easier to debug !
eventAggregator.GetEvent <CompositePresentationEvent <PlayListOperationAggregatedEvent> >().Subscribe(OnPlayListOperation, true);
this._notificationService = notificationService;
_openSynoSettings = openSynoSettings;
_logService = logService;
_pageSwitchingService = pageSwitchingService;
_playbackService.TrackStarted += (o, e) =>
{
CurrentArtwork = new Uri(e.Track.AlbumArtUrl, UriKind.Absolute);
this.ActiveTrack = this._trackViewModelFactory.Create(e.Guid, e.Track, this._pageSwitchingService);
};
_playbackService.BufferingProgressUpdated += (o, e) =>
{
// throttle refresh through binding.
if (_lastBufferProgressUpdate.AddMilliseconds(500) < DateTime.Now || e.BytesLeft == 0)
{
_lastBufferProgressUpdate = DateTime.Now;
this.BufferedBytesCount = e.FileSize - e.BytesLeft;
this.CurrentFileSize = e.FileSize;
Debug.WriteLine("Download progress : " + (double)(e.FileSize - e.BytesLeft) / (double)e.FileSize * (double)100.0);
}
};
_playbackService.TrackCurrentPositionChanged += (o, e) =>
{
CurrentPlaybackPercentComplete = e.PlaybackPercentComplete;;
CurrentTrackPosition = e.Position;
};
PlayCommand = new DelegateCommand <TrackViewModel>(o => OnPlay(o), track => track != null);
PlayNextCommand = new DelegateCommand(OnPlayNext);
PausePlaybackCommand = new DelegateCommand(OnPausePlayback);
ResumePlaybackCommand = new DelegateCommand(OnResumePlayback);
PlayPreviousCommand = new DelegateCommand(OnPlayPrevious);
SavePlaylistCommand = new DelegateCommand <IEnumerable <TrackViewModel> >(OnSavePlaylist);
SelectAllAlbumTracksCommand = new DelegateCommand <Guid>(OnSelectAllAlbumTracks);
}