public async Task Clear(Playlist playlist)
{
var behaviour = default(PlaylistBehaviourBase);
switch (playlist.Type)
{
case PlaylistType.Selection:
behaviour = ComponentRegistry.Instance.GetComponent <SelectionPlaylistBehaviour>();
break;
case PlaylistType.Dynamic:
behaviour = ComponentRegistry.Instance.GetComponent <DynamicPlaylistBehaviour>();
break;
}
if (behaviour != null)
{
await behaviour.Refresh(playlist).ConfigureAwait(false);
}
else
{
using (var task = new ClearPlaylistTask(playlist))
{
task.InitializeComponent(this.Core);
await this.OnBackgroundTask(task).ConfigureAwait(false);
await task.Run().ConfigureAwait(false);
}
}
}
protected virtual async Task Refresh(Playlist playlist, string expression, bool force)
{
var libraryHierarchy = this.LibraryManager.SelectedHierarchy;
if (libraryHierarchy == null || LibraryHierarchy.Empty.Equals(libraryHierarchy))
{
return;
}
var libraryHierarchyNodes = this.LibraryHierarchyBrowser.GetNodes(libraryHierarchy, expression);
if (!libraryHierarchyNodes.Any())
{
Logger.Write(this, LogLevel.Debug, "Library search returned no results: {0}", expression);
using (var task = new ClearPlaylistTask(playlist))
{
task.InitializeComponent(this.Core);
await task.Run().ConfigureAwait(false);
}
}
else
{
using (var task = new AddLibraryHierarchyNodesToPlaylistTask(playlist, 0, libraryHierarchyNodes, expression, true, false))
{
task.InitializeComponent(this.Core);
await task.Run().ConfigureAwait(false);
}
}
}
public async Task Clear()
{
using (var task = new ClearPlaylistTask())
{
task.InitializeComponent(this.Core);
await this.OnBackgroundTask(task).ConfigureAwait(false);
await task.Run().ConfigureAwait(false);
}
}