/*  This file is part of the KDE project.

Copyright (C) 2009 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_MMF_VIDEOPLAYER_H

#define PHONON_MMF_VIDEOPLAYER_H

#include <videoplayer.h> // from epoc32/include

#include "abstractmediaplayer.h"

#include "videooutput.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace MMF

{

/**

 * @short Wrapper over MMF video client utility

 *

 * See

 * <a href="http://wiki.forum.nokia.com/index.php/How_to_play_a_video_file_using_CVideoPlayerUtility">How to

 * play a video file using CVideoPlayerUtility</a>

 */

class VideoPlayer : public AbstractMediaPlayer

                  , public MVideoPlayerUtilityObserver

                  , public MVideoLoadingObserver

{

    Q_OBJECT

public:

    VideoPlayer(MediaObject *parent = 0, const AbstractPlayer *player = 0);

    virtual ~VideoPlayer();

    typedef CVideoPlayerUtility NativePlayer;

    NativePlayer *nativePlayer() const;

    // AbstractPlayer

    virtual void doPlay();

    virtual void doPause();

    virtual void doStop();

    virtual void doSeek(qint64 milliseconds);

    virtual int setDeviceVolume(int mmfVolume);

    virtual int openFile(RFile& file);

    virtual int openUrl(const QString& url);

    virtual int bufferStatus() const;

    virtual void close();

    // MediaObjectInterface

    virtual bool hasVideo() const;

    virtual qint64 currentTime() const;

    virtual qint64 totalTime() const;

    // AbstractPlayer

    virtual void videoOutputChanged();

    // AbstractMediaPlayer

    virtual int numberOfMetaDataEntries() const;

    virtual QPair<QString, QString> metaDataEntry(int index) const;

public Q_SLOTS:

    void videoWindowChanged();

    void aspectRatioChanged();

    void scaleModeChanged();

    void suspendDirectScreenAccess();

    void resumeDirectScreenAccess();

private:

    void construct();

    void doPrepareCompleteL(TInt aError);

    void getVideoWindow();

    void initVideoOutput();

    void updateVideoRect();

    void applyPendingChanges();

    void applyVideoWindowChange();

    void startDirectScreenAccess();

    bool stopDirectScreenAccess();

private:

    // MVideoPlayerUtilityObserver

    virtual void MvpuoOpenComplete(TInt aError);

    virtual void MvpuoPrepareComplete(TInt aError);

    virtual void MvpuoFrameReady(CFbsBitmap &aFrame, TInt aError);

    virtual void MvpuoPlayComplete(TInt aError);

    virtual void MvpuoEvent(const TMMFEvent &aEvent);

    // MVideoLoadingObserver

    virtual void MvloLoadingStarted();

    virtual void MvloLoadingComplete();

private:

    QScopedPointer<NativePlayer>        m_player;

    // Not owned

    RWsSession&                         m_wsSession;

    CWsScreenDevice&                    m_screenDevice;

    RWindowBase*                        m_window;

    /* Extent of the video display - will be clipped to m_windowRect */

    TRect                               m_videoRect;

    TReal32                             m_scaleWidth;

    TReal32                             m_scaleHeight;

    QSize                               m_videoFrameSize;

    qint64                              m_totalTime;

    bool                                m_pendingChanges;

    bool                                m_dsaActive;

    bool                                m_dsaWasActive;

};

}

}

QT_END_NAMESPACE

#endif