/// <summary>
/// Forget a playlist. This sets the Known value of the Playlist to false and unbinds
/// all the events.
/// </summary>
void Forget(SpotiFire.Playlist playlist) {
playlist.SetKnown(false);
playlist.ImageChanged -= playlist_ImageChanged;
playlist.MetadataUpdated -= playlist_MetadataUpdated;
playlist.Renamed -= playlist_Renamed;
playlist.UpdateInProgress -= playlist_UpdateInProgress;
playlist.StateChanged -= playlist_StateChanged;
playlist.Tracks.CollectionChanged -= tracks_CollectionChanged;
}
/// <summary>
/// Introduce a playlist to the environment. This sets the Known value of the playlist
/// to true and binds the necessary events.
/// TODO: move content-related change binds to somewhere else, so they are only called
/// when we already have a touchee representation of the playlist
/// </summary>
void Introduce(SpotiFire.Playlist playlist) {
playlist.SetKnown(true);
playlist.ImageChanged += playlist_ImageChanged;
playlist.MetadataUpdated += playlist_MetadataUpdated;
playlist.Renamed += playlist_Renamed;
playlist.UpdateInProgress += playlist_UpdateInProgress;
}