public ShellMenuViewModel(
LibraryViewModel libraryViewModel,
//AllTracksFilterViewModel allTracksViewModel,
//AllTracksViewModel allTracksViewModel,
PlaybackControlsViewModel playbackControlsViewModel)
{
this.LibraryViewModel = libraryViewModel ?? throw new ArgumentNullException(nameof(libraryViewModel));
//this.AllTracksViewModel = allTracksViewModel ?? throw new ArgumentNullException(nameof(allTracksViewModel));
this.PlaybackControlsViewModel = playbackControlsViewModel ?? throw new ArgumentNullException(nameof(playbackControlsViewModel));
}
public ShellViewModel(
IAudioPlaybackEngine playbackService,
//IWriteLibraryService writeLibraryService,
IReadLibraryService readLibraryService,
IDialogService dialogService,
LibraryViewModel libraryViewModel,
PlaybackControlsViewModel playbackControlsViewModel,
PlaybackHistoryViewModel playbackHistoryViewModel,
ShellMenuViewModel shellMenuViewModel)
{
this._playbackService = playbackService ?? throw new ArgumentNullException(nameof(playbackService));
//this._writeLibraryService = writeLibraryService ?? throw new ArgumentNullException(nameof(writeLibraryService));
this._readLibraryService = readLibraryService ?? throw new ArgumentNullException(nameof(readLibraryService));
this._dialogService = dialogService ?? throw new ArgumentNullException(nameof(dialogService));
this.LibraryViewModel = libraryViewModel ?? throw new ArgumentNullException(nameof(libraryViewModel));
this.PlaybackControlsViewModel = playbackControlsViewModel ?? throw new ArgumentNullException(nameof(playbackControlsViewModel));
this.PlaybackHistoryViewModel = playbackHistoryViewModel ?? throw new ArgumentNullException(nameof(playbackHistoryViewModel));
this.ShellMenuViewModel = shellMenuViewModel ?? throw new ArgumentNullException(nameof(shellMenuViewModel));
this._isEnabled_OAPH = Observable
.Return(true)
.ToProperty(this, nameof(this.IsEnabled))
.DisposeWith(this._disposables);
this._taskbarProgressState_OAPH = Observable.CombineLatest(
this._playbackService.WhenStatusChanged,
this._playbackService.WhenDurationChanged,
this._playbackService.WhenPositionChanged,
(status, duration, position) =>
{
switch (status)
{
case PlaybackStatus.Loaded:
case PlaybackStatus.PlayedToEnd:
case PlaybackStatus.ManuallyInterrupted:
case PlaybackStatus.None:
return(TaskbarItemProgressState.None);
case PlaybackStatus.Playing:
if (duration.HasValue && position.HasValue)
{
return(TaskbarItemProgressState.Normal);
}
return(TaskbarItemProgressState.Indeterminate);
case PlaybackStatus.Paused:
return(TaskbarItemProgressState.Paused);
case PlaybackStatus.Loading:
return(TaskbarItemProgressState.Indeterminate);
case PlaybackStatus.Exploded:
return(TaskbarItemProgressState.Error);
default:
return(TaskbarItemProgressState.None);
}
})
.DistinctUntilChanged()
.ToProperty(this, nameof(this.TaskbarProgressState))
.DisposeWith(this._disposables);
this._taskbarProgressValue_OAPH = Observable.CombineLatest(
this._playbackService.WhenDurationChanged,
this._playbackService.WhenPositionChanged,
(duration, position) =>
{
if (duration.HasValue && position.HasValue)
{
return(position.Value.TotalMilliseconds / duration.Value.TotalMilliseconds);
}
return(Double.NaN);
})
.DistinctUntilChanged()
.ToProperty(this, nameof(this.TaskbarProgressValue))
.DisposeWith(this._disposables);
this._playbackService.WhenTrackChanged
.Subscribe(track => this.UpdateDisplayName(track))
.DisposeWith(this._disposables);
this.ActivateItem(this.LibraryViewModel);
this.ActivateItem(this.PlaybackControlsViewModel);
this.ActivateItem(this.PlaybackHistoryViewModel);
this.ActivateItem(this.ShellMenuViewModel);
}
