public async Task RemovePlaylist(Playlist playlist)
{
PlaylistDataMember.Remove(playlist);
Playlists.Remove(playlist);
await PlaylistManager.Instance.Serialize();
}
public static void GetNowPlayingIndices(out int previousIndex, out int currentIndex, out int nextIndex, out int subsequentIndex, Playlist playlist = null)
{
currentIndex = NowPlayingInformation.CurrentIndex;
if (playlist == null)
{
playlist = NowPlayingInformation.CurrentPlaylist;
}
if (playlist == null)
{
previousIndex = currentIndex = nextIndex = subsequentIndex = -1;
return;
}
previousIndex = currentIndex - 1;
if (previousIndex < 0)
{
if (RepeatEnabled)
{
previousIndex += playlist.Songs.Count;
}
else
{
previousIndex = -1;
}
}
nextIndex = currentIndex + 1;
if (nextIndex >= playlist.Songs.Count)
{
if (RepeatEnabled)
{
nextIndex -= playlist.Songs.Count;
}
else
{
nextIndex = -1;
}
}
subsequentIndex = currentIndex + 2;
if (subsequentIndex >= playlist.Songs.Count)
{
if (RepeatEnabled)
{
subsequentIndex -= playlist.Songs.Count;
}
else
{
subsequentIndex = -1;
}
}
}
public async Task AddPlaylist(Playlist playlist)
{
PlaylistDataMember.Add(playlist);
Playlists.Add(playlist);
await PlaylistManager.Instance.Serialize();
}