Banshee.Dap.Mtp.MtpSource.SyncPlaylists C# (CSharp) Method

        public override void SyncPlaylists ()
        {
            lock (mtp_device) {
                List<MTP.Playlist> device_playlists = new List<MTP.Playlist> (mtp_device.GetPlaylists ());
                foreach (MTP.Playlist playlist in device_playlists) {
                    playlist.Remove ();
                }
                device_playlists.Clear ();

                // Add playlists from Banshee to the device
                List<Source> children = new List<Source> (Children);
                foreach (Source child in children) {
                    PlaylistSource from = child as PlaylistSource;
                    if (from != null && from.Count > 0) {
                        MTP.Playlist playlist = new MTP.Playlist (mtp_device, from.Name);
                        foreach (uint track_id in ServiceManager.DbConnection.QueryEnumerable<uint> (String.Format (
                            "SELECT CoreTracks.ExternalID FROM {0} WHERE {1}",
                            from.DatabaseTrackModel.ConditionFromFragment, from.DatabaseTrackModel.Condition)))
                        {
                            playlist.AddTrack (track_id);
                        }
                        playlist.Save ();
                    }
                }
            }
        }