/*  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_VIDEOWIDGET_H

#define Phonon_GSTREAMER_VIDEOWIDGET_H

#include <phonon/videowidget.h>

#include <phonon/videowidgetinterface.h>

#include "backend.h"

#include "common.h"

#include "medianode.h"

#include "abstractrenderer.h"

#include <gst/gst.h>

QT_BEGIN_NAMESPACE

class QString;

namespace Phonon

{

namespace Gstreamer

{

class VideoWidget : public QWidget, public Phonon::VideoWidgetInterface, public MediaNode

{

    Q_OBJECT

    Q_INTERFACES(Phonon::VideoWidgetInterface Phonon::Gstreamer::MediaNode)

public:

    VideoWidget(Backend *backend, QWidget *parent = 0);

    ~VideoWidget();

    void setupVideoBin();

    void paintEvent(QPaintEvent *event);

    void mediaNodeEvent(const MediaNodeEvent *event);

    void setVisible(bool);

    Phonon::VideoWidget::AspectRatio aspectRatio() const;

    void setAspectRatio(Phonon::VideoWidget::AspectRatio aspectRatio);

    Phonon::VideoWidget::ScaleMode scaleMode() const;

    void setScaleMode(Phonon::VideoWidget::ScaleMode);

    qreal brightness() const;

    void setBrightness(qreal);

    qreal contrast() const;

    void setContrast(qreal);

    qreal hue() const;

    void setHue(qreal);

    qreal saturation() const;

    void setSaturation(qreal);

    void setMovieSize(const QSize &size);

    QSize sizeHint() const;

    QRect scaleToAspect(QRect srcRect, int w, int h) const;

    QRect calculateDrawFrameRect() const;

    GstElement *videoElement()

    {

        Q_ASSERT(m_videoBin);

        return m_videoBin;

    }

    QSize movieSize() const {

        return m_movieSize;

    }

    bool event(QEvent *);

    QWidget *widget() {

        return this;

    }

protected:

    GstElement *m_videoBin;

    QSize m_movieSize;

    AbstractRenderer *m_renderer;

private:

    Phonon::VideoWidget::AspectRatio m_aspectRatio;

    qreal m_brightness, m_hue, m_contrast, m_saturation;

    Phonon::VideoWidget::ScaleMode m_scaleMode;

    GstElement *m_videoBalance;

    GstElement *m_colorspace;

    GstElement *m_videoplug;

};

}

} //namespace Phonon::Gstreamer

QT_END_NAMESPACE

#endif // Phonon_GSTREAMER_VIDEOWIDGET_H