Clementine-audio-player-Mac.../3rdparty/libxrme/mediaplayerinterface.h

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2.0 KiB
C++

/* This file is part of the XMPP Remote Media Extension.
Copyright 2010, David Sansome <me@davidsansome.com>
This library 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBXRME_MEDIAPLAYERINTERFACE_H
#define LIBXRME_MEDIAPLAYERINTERFACE_H
#include <xrme/common.h>
#include <QImage>
#include <QScopedPointer>
namespace xrme {
class MediaPlayerHandler;
class MediaPlayerInterface {
public:
MediaPlayerInterface();
virtual ~MediaPlayerInterface();
// Control playback
virtual void PlayPause() = 0;
virtual void Stop() = 0;
virtual void Next() = 0;
virtual void Previous() = 0;
// Query the current state of the player. StateChanged() should be called
// when any part of the state changes.
virtual State state() const = 0;
// Query the album art of the currently playing song. This is separate from
// state() because it is bigger and needs to be sent less often.
// AlbumArtChanged() should be called when this changes. Return a null
// QImage() if there is no song playing or the song has no album art.
virtual QImage album_art() const = 0;
// Call when the values returned from the above getters have changed.
virtual void StateChanged();
virtual void AlbumArtChanged();
private:
Q_DISABLE_COPY(MediaPlayerInterface);
friend class MediaPlayerHandler;
void Attach(MediaPlayerHandler* handler);
struct Private;
QScopedPointer<Private> d;
};
} // namespace xrme
#endif // LIBXRME_MEDIAPLAYERINTERFACE_H