- Qt 5.5
- Qt WebEngine Widgets
- WebEngine Tab Browser Example
- autosaver.h Example File
- Qt 5.5.1 Reference Documentation

# autosaver.h Example File

browser/autosaver.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the demonstration applications of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
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    ** 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.
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    ** rights. These rights are described in The Qt Company 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
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    #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