/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtGui module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

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** 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

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****************************************************************************/

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#ifndef QMULTITOUCH_MAC_P_H

#define QMULTITOUCH_MAC_P_H

#ifdef QT_MAC_USE_COCOA

#import <Cocoa/Cocoa.h>

#endif

#include <qevent.h>

#include <qhash.h>

#include <QtCore>

#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6

QT_BEGIN_NAMESPACE

#ifdef QT_MAC_USE_COCOA

class QCocoaTouch

{

    public:

        static QList<QTouchEvent::TouchPoint> getCurrentTouchPointList(NSEvent *event, bool acceptSingleTouch);

        static void setMouseInDraggingState(bool inDraggingState);

    private:

        static QHash<qint64, QCocoaTouch*> _currentTouches;

        static QPointF _screenReferencePos;

        static QPointF _trackpadReferencePos;

        static int _idAssignmentCount;

        static int _touchCount;

        static bool _updateInternalStateOnly;

        QTouchEvent::TouchPoint _touchPoint;

        qint64 _identity;

        QCocoaTouch(NSTouch *nstouch);

        ~QCocoaTouch();

        void updateTouchData(NSTouch *nstouch, NSTouchPhase phase);

        static QCocoaTouch *findQCocoaTouch(NSTouch *nstouch);

        static Qt::TouchPointState toTouchPointState(NSTouchPhase nsState);

};

#endif // QT_MAC_USE_COCOA

QT_END_NAMESPACE

#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6

#endif // QMULTITOUCH_MAC_P_H