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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
#ifndef AUTOSAVER_H
#define AUTOSAVER_H
#include <QtCore/QObject>
#include <QtCore/QBasicTimer>
#include <QtCore/QTime>
/*
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
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