private void OnSongsCollectionChanged(object sender, SongCollectionChangedEventArgs e)
{
MobileDebug.Service.WriteEvent("PlaylistSubscribtionHandler.OnSongsCollectionChanged", (sender as ISongCollection)?.Parent?.Name);
Unsubscribe(e.GetRemoved());
Subscribe(e.GetAdded());
SongCollectionChanged?.Invoke(this, new SubscriptionsEventArgs <ISongCollection, SongCollectionChangedEventArgs>(sender, e));
}
private void Parent_CollectionChanged(object sender, SongCollectionChangedEventArgs e)
{
List <ChangeCollectionItem <Song> > adds = new List <ChangeCollectionItem <Song> >();
foreach (Song addSong in e.GetAdded())
{
int index = ran.Next(Count - e.RemovedSongs.Length + adds.Count);
adds.Add(new ChangeCollectionItem <Song>(index, addSong));
}
Change(e.GetRemoved(), adds);
}
private void Parent_CollectionChanged(object sender, SongCollectionChangedEventArgs e)
{
Song[] ordered = GetOrdered(Parent).ToArray();
Change(e.GetRemoved(), e.GetAdded().Select(s => new ChangeCollectionItem <Song>(Array.IndexOf(ordered, s), s)));
}