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#ifndef QMETADATAREADERCONTROL_H
#define QMETADATAREADERCONTROL_H

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

#include <QtMultimedia/qmediaresource.h>

#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qmultimedia.h>

QT_BEGIN_NAMESPACE

// Required for QDoc workaround
class QString;

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

    virtual bool isMetaDataAvailable() const = 0;

    virtual QVariant metaData(const QString &key) const = 0;
    virtual QStringList availableMetaData() const = 0;

Q_SIGNALS:
    void metaDataChanged();
    void metaDataChanged(const QString &key, const QVariant &value);

    void metaDataAvailableChanged(bool available);

protected:
    explicit QMetaDataReaderControl(QObject *parent = Q_NULLPTR);
};

#define QMetaDataReaderControl_iid "org.qt-project.qt.metadatareadercontrol/5.0"
Q_MEDIA_DECLARE_CONTROL(QMetaDataReaderControl, QMetaDataReaderControl_iid)

QT_END_NAMESPACE


#endif  // QMETADATAPROVIDER_H