20 #ifndef MPD_QUEUE_LISTENER_HXX
21 #define MPD_QUEUE_LISTENER_HXX
virtual void OnQueueModified()=0
Called after the queue has been modified.
virtual void OnQueueSongStarted()=0
Called after the player has started playing a new song.
virtual void OnQueueOptionsChanged()=0
Called after a playback options have been changed.