private void AddPlayback() { int numberFreePlace = FreePlace(_playbackPresenters.Count); IPlaybackPresenter playbackPresenter = new PlaybackPresenter(new MiniPlayBack()); _playbackPresenters.Add(playbackPresenter); if (numberFreePlace > 0) { _view.AddPlaybackControl(playbackPresenter.GetView()); } else { List <IVideoBase> list = GetPlaybackView(); _view.AddListPlayBack(list); } }