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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMediaServices module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMETADATACONTROL_H
#define QMETADATACONTROL_H
#include <QtMediaServices/qmediacontrol.h>
#include <QtMediaServices/qmediaobject.h>
#include <QtMediaServices/qmediaresource.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class Q_MEDIASERVICES_EXPORT QMetaDataControl : public QMediaControl
{
Q_OBJECT
public:
~QMetaDataControl();
virtual bool isWritable() const = 0;
virtual bool isMetaDataAvailable() const = 0;
virtual QVariant metaData(QtMediaServices::MetaData key) const = 0;
virtual void setMetaData(QtMediaServices::MetaData key, const QVariant &value) = 0;
virtual QList<QtMediaServices::MetaData> availableMetaData() const = 0;
virtual QVariant extendedMetaData(const QString &key) const = 0;
virtual void setExtendedMetaData(const QString &key, const QVariant &value) = 0;
virtual QStringList availableExtendedMetaData() const = 0;
Q_SIGNALS:
void metaDataChanged();
void writableChanged(bool writable);
void metaDataAvailableChanged(bool available);
protected:
QMetaDataControl(QObject *parent = 0);
};
#define QMetaDataControl_iid "com.nokia.Qt.QMetaDataControl/1.0"
Q_MEDIA_DECLARE_CONTROL(QMetaDataControl, QMetaDataControl_iid)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMETADATAPROVIDER_H
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