/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtVersit module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QVERSITRESOURCEHANDLER_H
#define QVERSITRESOURCEHANDLER_H

#include <QtVersit/qversitglobal.h>

QT_FORWARD_DECLARE_CLASS(QByteArray)
QT_FORWARD_DECLARE_CLASS(QString)

QT_BEGIN_NAMESPACE_VERSIT

class QVersitDefaultResourceHandlerPrivate;
class QVersitProperty;

class Q_VERSIT_EXPORT QVersitResourceHandler
{
public:
    virtual ~QVersitResourceHandler() {}
    virtual bool loadResource(const QString& location, QByteArray* contents, QString* mimeType) = 0;
    virtual bool saveResource(const QByteArray& contents, const QVersitProperty& property,
                              QString* location) = 0;
};

class Q_VERSIT_EXPORT QVersitDefaultResourceHandler : public QVersitResourceHandler
{
public:
    QVersitDefaultResourceHandler();
    virtual ~QVersitDefaultResourceHandler();
    virtual bool loadResource(const QString& location, QByteArray* contents, QString* mimeType);
    virtual bool saveResource(const QByteArray& contents, const QVersitProperty& property,
                              QString* location);

protected:
    QVersitDefaultResourceHandlerPrivate* d;
};

QT_END_NAMESPACE_VERSIT

#endif // QVERSITRESOURCEHANDLER_H
