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****************************************************************************/

#ifndef QT7PLAYERSESSION_H

#define QT7PLAYERSESSION_H

#include <QtCore/qobject.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qset.h>

#include <QtCore/qresource.h>

#include <qmediaplayercontrol.h>

#include <qmediaplayer.h>

#include <QtGui/qmacdefines_mac.h>

QT_BEGIN_NAMESPACE

class QT7PlayerControl;

class QMediaPlaylist;

class QMediaPlaylistNavigator;

class QT7VideoOutput;

class QT7PlayerSession;

class QT7PlayerService;

class QT7PlayerSession : public QObject

{

    Q_OBJECT

public:

    QT7PlayerSession(QObject *parent = 0);

    ~QT7PlayerSession();

    void *movie() const;

    void setControl(QT7PlayerControl *control);

    void setVideoOutput(QT7VideoOutput *output);

    QMediaPlayer::State state() const;

    QMediaPlayer::MediaStatus mediaStatus() const;

    QMediaContent media() const;

    const QIODevice *mediaStream() const;

    void setMedia(const QMediaContent &content, QIODevice *stream);

    qint64 position() const;

    qint64 duration() const;

    int bufferStatus() const;

    int volume() const;

    bool isMuted() const;

    bool isAudioAvailable() const;

    bool isVideoAvailable() const;

    bool isSeekable() const;

    qreal playbackRate() const;

public slots:

    void setPlaybackRate(qreal rate);

    void setPosition(qint64 pos);

    void play();

    void pause();

    void stop();

    void setVolume(int volume);

    void setMuted(bool muted);

    void processEOS();

    void processLoadStateChange();

    void processVolumeChange();

    void processNaturalSizeChange();

signals:

    void positionChanged(qint64 position);

    void durationChanged(qint64 duration);

    void stateChanged(QMediaPlayer::State newState);

    void mediaStatusChanged(QMediaPlayer::MediaStatus status);

    void volumeChanged(int volume);

    void mutedChanged(bool muted);

    void audioAvailableChanged(bool audioAvailable);

    void videoAvailableChanged(bool videoAvailable);

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

private:

    class ResourceHandler {

    public:

        ResourceHandler():resource(0) {}

        ~ResourceHandler() { clear(); }

        void setResourceFile(const QString &file) {

            if (resource) {

                if (resource->fileName() == file)

                    return;

                delete resource;

                rawData.clear();

            }

            resource = new QResource(file);

        }

        bool isValid() const { return resource && resource->isValid() && resource->data() != 0; }

        const uchar *data() {

            if (!isValid())

                return 0;

            if (resource->isCompressed()) {

                if (rawData.size() == 0)

                    rawData = qUncompress(resource->data(), resource->size());

                return (const uchar *)rawData.constData();

            }

            return resource->data();

        }

        qint64 size() {

            if (data() == 0)

                return 0;

            return resource->isCompressed() ? rawData.size() : resource->size();

        }

        void clear() {

            delete resource;

            rawData.clear();

        }

        QResource *resource;

        QByteArray rawData;

    };

    void openMovie(bool tryAsync);

    void *m_QTMovie;

    void *m_movieObserver;

    QMediaPlayer::State m_state;

    QMediaPlayer::MediaStatus m_mediaStatus;

    QIODevice *m_mediaStream;

    QMediaContent m_resources;

    ResourceHandler m_resourceHandler;

    QT7VideoOutput * m_videoOutput;

    mutable qint64 m_currentTime;

    bool m_muted;

    bool m_tryingAsync;

    int m_volume;

    qreal m_rate;

    qint64 m_duration;

    bool m_videoAvailable;

    bool m_audioAvailable;

};

QT_END_NAMESPACE

#endif