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+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
+* Copyright (C) 2008-2011 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+#ifndef AUTOSAVER_H
+#define AUTOSAVER_H
+
+
+// Rekonq Includes
+#include "rekonq_defines.h"
+
+// Qt Includes
+#include <QObject>
+
+// Forward Declarations
+class QBasicTimer;
+class QTime;
+
+
+/**
+ * This class emits the saveNeeded() signal.
+ * It will wait several seconds after changeOccurred() to combine
+ * multiple changes preventing continuous writing to disk.
+ */
+class AutoSaver : public QObject
+{
+ Q_OBJECT
+
+public:
+ explicit AutoSaver(QObject *parent);
+ virtual ~AutoSaver();
+
+ /**
+ * Emits the saveNeeded() signal if there's been any change since we last saved.
+ */
+ void saveIfNeccessary();
+
+Q_SIGNALS:
+ void saveNeeded();
+
+public Q_SLOTS:
+ void changeOccurred();
+
+protected:
+ virtual void timerEvent(QTimerEvent *event);
+
+private:
+ void save();
+
+ QBasicTimer *m_timer;
+ QTime *m_firstChange;
+};
+
+#endif // AUTOSAVER_H