/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
* Copyright (C) 2008-2009 by Andrea Diamantini <adjam7 at gmail dot com>
*
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 3, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */



#ifndef AUTOSAVER_H
#define AUTOSAVER_H

// Qt Includes
#include <QtCore/QObject>
#include <QtCore/QBasicTimer>
#include <QtCore/QTime>

// Forward Declarations
#include <QtCore/QTimerEvent>

/**
 *  This class will call the save() slot on the parent object when the parent changes.
 *  It will wait several seconds after changed() to combining multiple changes and
 *  prevent continuous writing to disk.
 *
 */

class AutoSaver : public QObject
{
    Q_OBJECT

public:
    AutoSaver(QObject *parent);
    ~AutoSaver();
    void saveIfNeccessary();

public slots:
    void changeOccurred();

protected:
    void timerEvent(QTimerEvent *event);

private:
    QBasicTimer m_timer;
    QTime m_firstChange;

};

#endif // AUTOSAVER_H