/*
 * Copyright (C) 2006 George Staikos <staikos@kde.org>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef SharedTimerQt_h
#define SharedTimerQt_h

#include "SharedTimerQt.h"
#include "SystemTime.h"

#include <QTimer>
#include <QCoreApplication>

namespace WebCore {

class SharedTimerQt : public QTimer {
Q_OBJECT
protected:
    SharedTimerQt()
        : QTimer()
        , m_timerFunction(0)
    {
        connect(this, SIGNAL(timeout()), this, SLOT(fire()));
        setSingleShot(true);
    }

    ~SharedTimerQt()
    {
    }

public:
    static void cleanup()
    {
        if (s_self->isActive())
            s_self->fire();

        delete s_self;
        s_self = 0;
    }

    static SharedTimerQt* inst()
    {
        if (!s_self) {
            s_self = new SharedTimerQt();
            qAddPostRoutine(SharedTimerQt::cleanup);
        }

        return s_self;
    }

    void (*m_timerFunction)();

public Q_SLOTS:
    void fire()
    {
        if (m_timerFunction)
            (m_timerFunction)();
    }

private:
    static SharedTimerQt* s_self;
};

}

#endif

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