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#ifndef QMEDIAPLAYLISTPROVIDER_H

#define QMEDIAPLAYLISTPROVIDER_H

#include <QObject>

QT_BEGIN_NAMESPACE

class QString;

QT_END_NAMESPACE

QTM_BEGIN_NAMESPACE

class QMediaPlaylistProviderPrivate;

class Q_MEDIA_EXPORT QMediaPlaylistProvider : public QObject

{

Q_OBJECT

public:

    QMediaPlaylistProvider(QObject *parent=0);

    virtual ~QMediaPlaylistProvider();

    virtual bool load(const QUrl &location, const char *format = 0);

    virtual bool load(QIODevice * device, const char *format = 0);

    virtual bool save(const QUrl &location, const char *format = 0);

    virtual bool save(QIODevice * device, const char *format);

    virtual int mediaCount() const = 0;

    virtual QMediaContent media(int index) const = 0;

    virtual bool isReadOnly() const;

    virtual bool addMedia(const QMediaContent &content);

    virtual bool addMedia(const QList<QMediaContent> &contentList);

    virtual bool insertMedia(int index, const QMediaContent &content);

    virtual bool insertMedia(int index, const QList<QMediaContent> &content);

    virtual bool removeMedia(int pos);

    virtual bool removeMedia(int start, int end);

    virtual bool clear();

public Q_SLOTS:

    virtual void shuffle();

Q_SIGNALS:

    void mediaAboutToBeInserted(int start, int end);

    void mediaInserted(int start, int end);

    void mediaAboutToBeRemoved(int start, int end);

    void mediaRemoved(int start, int end);

    void mediaChanged(int start, int end);

    void loaded();

    void loadFailed(QMediaPlaylist::Error, const QString& errorMessage);

protected:

    QMediaPlaylistProviderPrivate *d_ptr;

    QMediaPlaylistProvider(QMediaPlaylistProviderPrivate &dd, QObject *parent);

private:

    Q_DECLARE_PRIVATE(QMediaPlaylistProvider)

};

QTM_END_NAMESPACE

#endif // QMEDIAPLAYLISTPROVIDER_H