public TranscodingController(IMessageService messageService, IShellService shellService, IMusicFileContext musicFileContext, ISelectionService selectionService,
TranscodingService transcodingService, Lazy <ITranscoder> transcoder, Lazy <TranscodingListViewModel> transcodingListViewModel)
{
this.messageService = messageService;
this.shellService = shellService;
this.musicFileContext = musicFileContext;
this.selectionService = selectionService;
this.transcodingService = transcodingService;
this.transcoder = transcoder;
this.transcodingListViewModel = transcodingListViewModel;
cancellationTokenSources = new Dictionary <TranscodeItem, CancellationTokenSource>();
convertToMp3AllCommand = new DelegateCommand(ConvertToMp3All, CanConvertToMp3All);
convertToMp3SelectedCommand = new DelegateCommand(ConvertToMp3Selected, CanConvertToMp3Selected);
cancelAllCommand = new DelegateCommand(CancelAll, CanCancelAll);
cancelSelectedCommand = new DelegateCommand(CancelSelected, CanCancelSelected);
throttler = new SemaphoreSlim(Environment.ProcessorCount); // Do not dispose the throttler; it is used after Shutdown to cancel the open tasks
transcodingManager = new TranscodingManager();
throttledMusicFilesCollectionChangedAction = new ThrottledAction(ThrottledMusicFilesCollectionChanged, ThrottledActionMode.InvokeOnlyIfIdleForDelayTime, TimeSpan.FromMilliseconds(10));
}
public void AddRemoveTranscodeItemsTest()
{
var musicFile1 = new MockMusicFile(new MusicMetadata(TimeSpan.FromSeconds(33), 320), "TestFile1.wma");
var musicFile2 = new MockMusicFile(new MusicMetadata(TimeSpan.FromSeconds(33), 320), "TestFile2.wma");
var item1 = new TranscodeItem(musicFile1, "TestFile1.mp3");
var item2 = new TranscodeItem(musicFile1, "TestFile2.mp3");
var manager = new TranscodingManager();
Assert.IsFalse(manager.TranscodeItems.Any());
manager.AddTranscodeItem(item1);
manager.AddTranscodeItem(item2);
Assert.IsTrue(new[] { item1, item2 }.SequenceEqual(manager.TranscodeItems));
manager.RemoveTranscodeItem(item1);
Assert.AreEqual(item2, manager.TranscodeItems.Single());
}
