/*  This file is part of the KDE project.

    Copyright (C) 2    //Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).007 Nokia Corporation and/or its subsidiary(-ies).

    This library is free software: you can redistribute it and/or modify

    it under the terms of the GNU Lesser General Public License as published by

    the Free Software Foundation, either version 2.1 or 3 of the License.

    This library 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License

    along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef Phonon_GSTREAMER_ABSTRACTRENDERER_H

#define Phonon_GSTREAMER_ABSTRACTRENDERER_H

#include "backend.h"

#include "common.h"

#include "medianode.h"

#include <phonon/videowidget.h>

#ifndef QT_NO_PHONON_VIDEO

QT_BEGIN_NAMESPACE

class QString;

namespace Phonon

{

namespace Gstreamer

{

class VideoWidget;

class AbstractRenderer

{

public:

    AbstractRenderer(VideoWidget *video) :

          m_videoWidget(video)

        , m_videoSink(0) { }

    virtual ~AbstractRenderer();

    virtual GstElement *videoSink() {return m_videoSink;}

    virtual void aspectRatioChanged(Phonon::VideoWidget::AspectRatio aspectRatio);

    virtual void scaleModeChanged(Phonon::VideoWidget::ScaleMode scaleMode);

    virtual void movieSizeChanged(const QSize &movieSize);

    virtual void handleMediaNodeEvent(const MediaNodeEvent *event) = 0;

    virtual bool eventFilter(QEvent *) = 0;

    virtual void handlePaint(QPaintEvent *) {}

    virtual bool paintsOnWidget() { return true; } // Controls overlays

protected:

    VideoWidget *m_videoWidget;

    GstElement *m_videoSink;

};

}

} //namespace Phonon::Gstreamer

QT_END_NAMESPACE

#endif //QT_NO_PHONON_VIDEO

#endif // Phonon_GSTREAMER_ABSTRACTRENDERER_H