/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QABSTRACTMEDIAOBJECT_H
#define QABSTRACTMEDIAOBJECT_H

#include <QtCore/qobject.h>
#include <QtCore/qstringlist.h>

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

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)


class QMediaService;
class QMediaBindableInterface;

class QMediaObjectPrivate;
class Q_MULTIMEDIA_EXPORT QMediaObject : public QObject
{
    Q_OBJECT
    Q_PROPERTY(int notifyInterval READ notifyInterval WRITE setNotifyInterval NOTIFY notifyIntervalChanged)
public:
    ~QMediaObject();

    virtual bool isAvailable() const;
    virtual QtMultimedia::AvailabilityError availabilityError() const;

    virtual QMediaService* service() const;

    int notifyInterval() const;
    void setNotifyInterval(int milliSeconds);

    virtual bool bind(QObject *);
    virtual void unbind(QObject *);

    bool isMetaDataAvailable() const;

    QVariant metaData(const QString &key) const;
    QStringList availableMetaData() const;

Q_SIGNALS:
    void notifyIntervalChanged(int milliSeconds);

    void metaDataAvailableChanged(bool available);
    void metaDataChanged();
    void metaDataChanged(const QString &key, const QVariant &value);

    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