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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 QtMultimedia 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 QABSTRACTMEDIAOBJECT_H
#define QABSTRACTMEDIAOBJECT_H
#include <QtCore/qobject.h>
#include <QtCore/qstringlist.h>
#include <QtMultimedia/qtmedianamespace.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QMediaService;
class QMediaObjectPrivate;
class Q_MULTIMEDIA_EXPORT QMediaObject : public QObject
{
Q_OBJECT
Q_PROPERTY(int notifyInterval READ notifyInterval WRITE setNotifyInterval NOTIFY notifyIntervalChanged)
Q_PROPERTY(bool metaDataAvailable READ isMetaDataAvailable NOTIFY metaDataAvailableChanged)
Q_PROPERTY(bool metaDataWritable READ isMetaDataWritable NOTIFY metaDataWritableChanged)
public:
~QMediaObject();
virtual bool isAvailable() const;
virtual QtMultimedia::AvailabilityError availabilityError() const;
virtual QMediaService* service() const;
int notifyInterval() const;
void setNotifyInterval(int milliSeconds);
virtual void bind(QObject*);
virtual void unbind(QObject*);
bool isMetaDataAvailable() const;
bool isMetaDataWritable() const;
QVariant metaData(QtMultimedia::MetaData key) const;
void setMetaData(QtMultimedia::MetaData key, const QVariant &value);
QList<QtMultimedia::MetaData> availableMetaData() const;
QVariant extendedMetaData(const QString &key) const;
void setExtendedMetaData(const QString &key, const QVariant &value);
QStringList availableExtendedMetaData() const;
Q_SIGNALS:
void notifyIntervalChanged(int milliSeconds);
void metaDataAvailableChanged(bool available);
void metaDataWritableChanged(bool writable);
void metaDataChanged();
void availabilityChanged(bool available);
protected:
QMediaObject(QObject *parent, QMediaService *service);
QMediaObject(QMediaObjectPrivate &dd, QObject *parent, QMediaService *service);
void addPropertyWatch(QByteArray const &name);
void removePropertyWatch(QByteArray const &name);
QMediaObjectPrivate *d_ptr;
private:
void setupMetaData();
Q_DECLARE_PRIVATE(QMediaObject)
Q_PRIVATE_SLOT(d_func(), void _q_notify())
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QABSTRACTMEDIAOBJECT_H
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