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path: root/benchmarks/performancebenchmark/emptymainloophelper.cpp
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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/

#include "emptymainloophelper.h"

#include <MTheme>

#include <QApplication>
#include <QTimer>

#include <cstdlib>


EmptyMainLoopHelper::EmptyMainLoopHelper() :
    terminationType( QuitOnEmpty )
{
}

void EmptyMainLoopHelper::triggerTermination(TerminationType type)
{
    terminationType = type;
    QTimer::singleShot(0, this, SLOT(terminateOnEmptyMainLoop()));
}

void EmptyMainLoopHelper::terminateOnEmptyMainLoop()
{
    if (qApp->hasPendingEvents() || MTheme::hasPendingRequests()) {
        QTimer::singleShot(0, this, SLOT(terminateOnEmptyMainLoop()));
    } else {
        QTimer::singleShot(20, this, SLOT(terminateOnEmptyMainLoop2()));
    }
}

void EmptyMainLoopHelper::terminateOnEmptyMainLoop2()
{
    if (qApp->hasPendingEvents()) {
        QTimer::singleShot(0, this, SLOT(terminateOnEmptyMainLoop()));
    } else {
        if (terminationType == ExitOnEmpty) {
            exit(0);
        } else {
            qApp->quit();
        }
    }
}