/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** 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 QMEDIAPLAYLISTIOPLUGIN_H

#define QMEDIAPLAYLISTIOPLUGIN_H

#include <QtCore/qobject.h>

#include <QtCore/qplugin.h>

#include <QtCore/qfactoryinterface.h>

#include <qmobilityglobal.h>

#include "qmediacontent.h"

QT_BEGIN_NAMESPACE

class QString;

class QUrl;

class QByteArray;

class QIODevice;

class QStringList;

class Q_MULTIMEDIA_EXPORT QMediaPlaylistReader

{

public:

    virtual ~QMediaPlaylistReader();

    virtual bool atEnd() const = 0;

    virtual QMediaContent readItem() = 0;

    virtual void close() = 0;

};

class Q_MULTIMEDIA_EXPORT QMediaPlaylistWriter

{

public:

    virtual ~QMediaPlaylistWriter();

    virtual bool writeItem(const QMediaContent &content) = 0;

    virtual void close() = 0;

};

struct Q_MULTIMEDIA_EXPORT QMediaPlaylistIOInterface : public QFactoryInterface

{

    virtual bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const = 0;

    virtual bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const = 0;

    virtual bool canWrite(QIODevice *device, const QByteArray &format) const = 0;

    virtual QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) = 0;

    virtual QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) = 0;

    virtual QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) = 0;

};

#define QMediaPlaylistIOInterface_iid "com.nokia.Qt.QMediaPlaylistIOInterface"

Q_DECLARE_INTERFACE(QMediaPlaylistIOInterface, QMediaPlaylistIOInterface_iid);

class Q_MULTIMEDIA_EXPORT QMediaPlaylistIOPlugin : public QObject, public QMediaPlaylistIOInterface

{

Q_OBJECT

Q_INTERFACES(QMediaPlaylistIOInterface:QFactoryInterface)

public:

    explicit QMediaPlaylistIOPlugin(QObject *parent = 0);

    virtual ~QMediaPlaylistIOPlugin();

    virtual bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const = 0;

    virtual bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const = 0;

    virtual bool canWrite(QIODevice *device, const QByteArray &format) const = 0;

    virtual QStringList keys() const = 0;

    virtual QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) = 0;

    virtual QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) = 0;

    virtual QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) = 0;

};

QT_END_NAMESPACE

#endif // QMEDIAPLAYLISTIOPLUGIN_H