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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef DIRECTSHOWEVENTLOOP_H
#define DIRECTSHOWEVENTLOOP_H

#include <QtCore/qmutex.h>
#include <QtCore/private/qwineventnotifier_p.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class DirectShowPostedEvent;

class DirectShowEventLoop : public QWinEventNotifier
{
    Q_OBJECT
public:
    DirectShowEventLoop(QObject *parent = 0);
    ~DirectShowEventLoop();

    void wait(QMutex *mutex);
    void wake();

    void postEvent(QObject *object, QEvent *event);

    bool event(QEvent *event);

private:
    void processEvents();

    DirectShowPostedEvent *m_postsHead;
    DirectShowPostedEvent *m_postsTail;
    HANDLE m_eventHandle;
    HANDLE m_waitHandle;
    QMutex m_mutex;
};

QT_END_NAMESPAC

QT_END_HEADER

#endif