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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module 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 QEVENTDISPATCHER_S60_P_H
#define QEVENTDISPATCHER_S60_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <private/qeventdispatcher_symbian_p.h>
#include "qt_s60_p.h"

#include <eikenv.h>

QT_BEGIN_NAMESPACE

class QEventDispatcherS60;

class QtEikonEnv : public CEikonEnv
{
public:
    QtEikonEnv();
    ~QtEikonEnv();

    // from CActive.
    void RunL();
    void DoCancel();

    void complete();

private:
    // Workaround for a BC break from S60 3.2 -> 5.0, where the CEikonEnv override was removed.
    // To avoid linking to that when we build against 3.2, define an empty body here.
    // Reserved_*() have been verified to be empty in the S60 code.
    void Reserved_1() {}
    void Reserved_2() {}

private:
    int m_lastIterationCount;
    TInt m_savedStatusCode;
    bool m_hasAlreadyRun;
};

class Q_GUI_EXPORT QEventDispatcherS60 : public QEventDispatcherSymbian
{
    Q_OBJECT

public:
    QEventDispatcherS60(QObject *parent = 0);
    ~QEventDispatcherS60();

    bool processEvents ( QEventLoop::ProcessEventsFlags flags );
    bool hasPendingEvents();

    bool excludeUserInputEvents() { return m_noInputEvents; }

    void saveInputEvent(QSymbianControl *control, QWidget *widget, QInputEvent *event);

    void reactivateDeferredActiveObjects();

private:
    bool sendDeferredInputEvents();

private Q_SLOTS:
    void removeInputEventsForWidget(QObject *object);

private:
    bool m_noInputEvents;

    struct DeferredInputEvent
    {
        QSymbianControl *control;
        QWidget *widget;
        QInputEvent *event;
    };
    QList<DeferredInputEvent> m_deferredInputEvents;
};

QT_END_NAMESPACE

#endif // QEVENTDISPATCHER_S60_P_H