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#ifndef S60MEDIAPLAYERSESSION_H

#define S60MEDIAPLAYERSESSION_H

#include <QtCore/qobject.h>

#include <QtCore/qurl.h>

#include <QtCore/qpair.h>

#include <e32cmn.h> // for TDesC

#include <QRect>

#include "s60mediaplayerservice.h"

QT_BEGIN_NAMESPACE

class QMediaTimeRange;

QT_END_NAMESPACE

class QTimer;

class S60MediaPlayerSession : public QObject

{

    Q_OBJECT

public:

    S60MediaPlayerSession(QObject *parent);

    virtual ~S60MediaPlayerSession();

    // for player control interface to use

    QMediaPlayer::State state() const;

    QMediaPlayer::MediaStatus mediaStatus() const;

    qint64 duration() const;

    qint64 position() const;

    void setPosition(qint64 pos);

    int volume() const;

    void setVolume(int volume);

    bool isMuted() const;

    void setMuted(bool muted);

    virtual bool isVideoAvailable() const = 0;

    virtual bool isAudioAvailable() const = 0;

    bool isSeekable() const;

    void play();

    void pause();

    void stop();

    void reset();

    bool isMetadataAvailable() const; 

    QVariant metaData(const QString &key) const;

    QMap<QString, QVariant> availableMetaData() const;

    void load(QUrl url);

    int bufferStatus();

    virtual void setVideoRenderer(QObject *renderer);

    void setMediaStatus(QMediaPlayer::MediaStatus);

    void setState(QMediaPlayer::State state);

    void setAudioEndpoint(const QString& audioEndpoint);

protected:    

    virtual void doLoadL(const TDesC &path) = 0;

    virtual void doLoadUrlL(const TDesC &path) = 0;

    virtual void doPlay() = 0;

    virtual void doStop() = 0;

    virtual void doPauseL() = 0;

    virtual void doSetVolumeL(int volume) = 0;

    virtual void doSetPositionL(qint64 microSeconds) = 0;

    virtual qint64 doGetPositionL() const = 0;

    virtual void updateMetaDataEntriesL() = 0;

    virtual int doGetBufferStatusL() const = 0;

    virtual qint64 doGetDurationL() const = 0;

    virtual void doSetAudioEndpoint(const QString& audioEndpoint) = 0;

public:

    // From S60MediaPlayerAudioEndpointSelector

    virtual QString activeEndpoint() const = 0;

    virtual QString defaultEndpoint() const = 0;

public Q_SLOTS:

    virtual void setActiveEndpoint(const QString& name) = 0;

protected:

    void setError(int error,  const QString &errorString = QString(), bool forceReset = false);

    void loaded();

    void buffering();

    void buffered();

    void endOfMedia();

    QMap<QString, QVariant>& metaDataEntries();

    QMediaPlayer::Error fromSymbianErrorToMultimediaError(int error);

    void startProgressTimer();

    void stopProgressTimer();

    void startStalledTimer();

    void stopStalledTimer();

    QString TDesC2QString(const TDesC& aDescriptor);

	TPtrC QString2TPtrC( const QString& string );

	QRect TRect2QRect(const TRect& tr);

	TRect QRect2TRect(const QRect& qr);

protected slots:

    void tick();

    void stalled();

signals:

    void durationChanged(qint64 duration);

    void positionChanged(qint64 position);

    void stateChanged(QMediaPlayer::State state);

    void mediaStatusChanged(QMediaPlayer::MediaStatus mediaStatus);

    void videoAvailableChanged(bool videoAvailable);    

    void audioAvailableChanged(bool audioAvailable);

    void bufferStatusChanged(int percentFilled);

    void seekableChanged(bool);     

    void availablePlaybackRangesChanged(const QMediaTimeRange&);

    void metaDataChanged();

    void error(int error, const QString &errorString);

    void activeEndpointChanged(const QString &name);

private:

    qreal m_playbackRate;

    QMap<QString, QVariant> m_metaDataMap;

    bool m_muted;

    int m_volume;

    QMediaPlayer::State m_state;

    QMediaPlayer::MediaStatus m_mediaStatus;

    QTimer *m_progressTimer;

    QTimer *m_stalledTimer;

    int m_error;    

    bool m_play_requested;

    bool m_stream;

};

#endif