src/qsa/src/engine/qstimeouttrigger.h

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/****************************************************************************
** $Id: qstimeouttrigger.h  1.1.5   edited 2006-02-23T15:39:57$
**
** Copyright (C) 2001-2006 Trolltech AS.  All rights reserved.
**
** This file is part of the Qt Script for Applications framework (QSA).
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding a valid Qt Script for Applications license may use
** this file in accordance with the Qt Script for Applications License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**   information about QSA Commercial License Agreements.
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#ifndef QSTIMEOUTTRIGGER_H
#define QSTIMEOUTTRIGGER_H

#include <qobject.h>
#include <qdatetime.h>

class QSTimeoutTrigger : public QObject
{
  Q_OBJECT
public:
  QSTimeoutTrigger() : QObject() { }
  inline void start() {
    time.start();
    lastTimeout = 0;
  }
  inline void fireTimeout() {
    if (time.elapsed() - lastTimeout >= ival) {
      lastTimeout = time.elapsed();
      emit timeout(lastTimeout);
    }
  }

  void setInterval(int i) {
    ival = i;
  }
  int interval() const {
    return ival;
  }

signals:
  void timeout(int runningTime);

private:
  QTime time;
  int lastTimeout;
  int ival;
};

#endif // QSTIMEOUTTRIGGER_H