private void RemoveListeners(StartSongTaskHandler task)
{
var songTask = task.StartSongTask;
songTask.BeforeResourceStarted -= InvokeBeforeResourceStarted;
songTask.AfterResourceStarted -= InvokeAfterResourceStarted;
songTask.OnAudioResourceUpdated -= InvokeOnAudioResourceUpdated;
songTask.OnLoadFailure -= InvokeOnLoadFailure;
}
protected override void CancelTask()
{
RemoveListeners(currentTask);
currentTask.Cancel();
currentTask = null;
}
protected override void RemoveFinishedTask()
{
currentTask = null;
}
protected override void SetTask(QueueItem item, TimeSpan?remaining)
{
currentTask = constructor(item);
AddListeners(currentTask);
StartCurrentIfRemaining(remaining);
}