/* Copyright (C) 2015 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef PLAYLISTNULL_H_
#define PLAYLISTNULL_H_
#include <QDebug>
#include "HelperStructs/MetaData.h"
#include "playlist.h"
// This is a placeholder playlist object which does nothing, for when the
// renderer is using a source we can't control.
class PlaylistNULL : public Playlist {
Q_OBJECT
public:
PlaylistNULL(QObject *parent = 0)
: Playlist(parent) {
}
virtual ~PlaylistNULL() { }
virtual void update_state() {
// Send out empty data.
emit sig_track_metadata(MetaData());
emit sig_playlist_updated(m_meta, -1, 0);
}
signals:
void sig_track_metadata(const MetaData&);
public slots:
void psl_change_track_impl(int) {}
void psl_clear_playlist_impl() {}
void psl_play() {}
void psl_pause_impl() {}
void psl_stop() {}
void psl_forward() {}
void psl_backward() {}
void psl_remove_rows(const QList<int>&, bool = true) {}
void psl_insert_tracks(const MetaDataList&, int) {}
void psl_seek(int) {}
};
#endif /* PLAYLISTNULL_H_ */