qtmobility/src/multimedia/qmetadatareadercontrol.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:08:38 +0300
changeset 14 6fbed849b4f4
child 15 1f895d8a5b2b
permissions -rw-r--r--
Revision: 201023 Kit: 2010125

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#ifndef QMETADATAREADERCONTROL_H
#define QMETADATAREADERCONTROL_H

#include <qmediacontrol.h>
#include <qmediaobject.h>

#include <qmediaresource.h>

#include <qmobilityglobal.h>
#include "qtmedianamespace.h"

QT_BEGIN_NAMESPACE


class Q_MULTIMEDIA_EXPORT QMetaDataReaderControl : public QMediaControl
{
    Q_OBJECT
public:
    ~QMetaDataReaderControl();

    virtual bool isMetaDataAvailable() const = 0;

    virtual QVariant metaData(QtMultimedia::MetaData key) const = 0;
    virtual QList<QtMultimedia::MetaData> availableMetaData() const = 0;

    virtual QVariant extendedMetaData(const QString &key) const = 0;
    virtual QStringList availableExtendedMetaData() const = 0;

Q_SIGNALS:
    void metaDataChanged();

    void metaDataAvailableChanged(bool available);

protected:
    QMetaDataReaderControl(QObject *parent = 0);
};

#define QMetaDataReaderControl_iid "com.nokia.Qt.QMetaDataReaderControl/1.0"
Q_MEDIA_DECLARE_CONTROL(QMetaDataReaderControl, QMetaDataReaderControl_iid)

QT_END_NAMESPACE

#endif  // QMETADATAPROVIDER_H