protected ContainerPlaylist(Session session, PlaylistContainer container, IntPtr playlistPtr, IntPtr folderId, sp_playlist_type type)
: base(session, playlistPtr, true)
{
this.folderId = folderId;
this.container = container;
this.type = type;
}
public PlaylistContainerWrapper(PlaylistContainer pc)
{
this.pc = pc;
pc.Loaded += new PlaylistContainerHandler(pc_Loaded);
pc.PlaylistAdded += new PlaylistContainerHandler <PlaylistEventArgs>(pc_PlaylistAdded);
pc.PlaylistMoved += new PlaylistContainerHandler <PlaylistMovedEventArgs>(pc_PlaylistMoved);
pc.PlaylistRemoved += new PlaylistContainerHandler <PlaylistEventArgs>(pc_PlaylistRemoved);
}
protected override void OnDispose()
{
pc.Loaded -= new PlaylistContainerHandler(pc_Loaded);
pc.PlaylistAdded -= new PlaylistContainerHandler <PlaylistEventArgs>(pc_PlaylistAdded);
pc.PlaylistMoved -= new PlaylistContainerHandler <PlaylistMovedEventArgs>(pc_PlaylistMoved);
pc.PlaylistRemoved -= new PlaylistContainerHandler <PlaylistEventArgs>(pc_PlaylistRemoved);
PlaylistContainer.Delete(pc.pcPtr);
pc = null;
}
internal static void Delete(IntPtr pcPtr)
{
lock (pcsLock)
{
PlaylistContainer pc = pcs[pcPtr];
int count = pc.RemRef();
if (count == 0)
{
pcs.Remove(pcPtr);
}
}
}
internal static IContainerPlaylist Get(Session session, PlaylistContainer container, IntPtr playlistPtr, IntPtr folderId, sp_playlist_type type)
{
KeyGen key = new KeyGen(playlistPtr, folderId, type);
ContainerPlaylist playlist;
lock (playlistsLock)
{
if (!playlists.ContainsKey(key))
{
playlists.Add(key, new ContainerPlaylist(session, container, playlistPtr, folderId, type));
}
playlist = playlists[key];
playlist.AddRef();
}
return(new ContainerPlaylistWrapper(playlist));
}
private static Delegate CreateDelegate <T>(Expression <Func <PlaylistContainer, Action <T> > > expr, PlaylistContainer s) where T : EventArgs
{
return(expr.Compile().Invoke(s));
}
