private void Playlist_CurrentSongChanged(object sender, CurrentSongChangedEventArgs args)
{
Song currentSong = args.NewCurrentSong;
int shuffleIndex = GetCurrentSongIndex(Parent.Count);
int currentSongIndex = IndexOf(currentSong);
if (currentSongIndex == -1)
{
Song[] removes = this.Skip(Count - shuffleIndex - 1).ToArray();
List <Song> adds = GetRandomSongs(Parent, removes, Count - shuffleIndex);
if (!adds.Remove(currentSong))
{
adds.RemoveAt(0);
}
adds.Insert(0, currentSong);
Change(removes, adds);
}
else if (currentSongIndex > shuffleIndex)
{
Song[] removes = this.Take(currentSongIndex - shuffleIndex).ToArray();
List <Song> adds = GetRandomSongs(Parent, removes, currentSongIndex - shuffleIndex);
Change(removes, adds);
}
else if (currentSongIndex < shuffleIndex)
{
Song[] removes = this.Skip(Count - shuffleIndex + currentSongIndex).ToArray();
List <ChangeCollectionItem <Song> > adds = GetRandomSongs(Parent, removes, shuffleIndex - currentSongIndex).
Select((c, i) => new ChangeCollectionItem <Song>(i, c)).ToList();
Change(removes, adds);
}
}
private void OnCurrentSongChanged(object sender, CurrentSongChangedEventArgs e)
{
CurrentSong.Unsubscribe(e.OldCurrentSong);
CurrentSong.Subscribe(e.NewCurrentSong);
OtherSongs.Unsubscribe(e.NewCurrentSong);
OtherSongs.Subscribe(e.OldCurrentSong);
CurrentSongChanged?.Invoke(this, new SubscriptionsEventArgs <IPlaylist, CurrentSongChangedEventArgs>(sender, e));
}
async void audioControls_CurrentSongChanged(object sender, CurrentSongChangedEventArgs e)
{
var library = this.library ?? await libraryLoadingTask;
var currentSongFileName = ApplicationSettings.CurrentSongFileName.Read();
if (currentSongFileName == null)
{
this.NowPlaying = null;
}
else
{
var song = library.Songs.FirstOrDefault(p => p.FileName == currentSongFileName);
this.NowPlaying = song;
this.Playlist.UpdateSongChanged(e.Type, this.NowPlaying);
if (SongChanged != null)
SongChanged(this, e.Type);
if (this.NowPlayingAlbum == null || !this.NowPlayingAlbum.Contains(song))
this.NowPlayingAlbum = library.Albums.FirstOrDefault(p => p.Contains(song));
}
}
