/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef __WEBTOUCHNAVIGATION_H__

#define __WEBTOUCHNAVIGATION_H__

#include "qstmgestureevent.h"

#include "KineticHelper.h"

#include <QLineEdit>

class QGraphicsWebView;

class QWebPage;

class QWebFrame;

namespace GVA {

class WebTouchNavigation;

class DecelEdit : public QLineEdit

{

    Q_OBJECT

public:

    DecelEdit(WebTouchNavigation* nav);

    ~DecelEdit() {};

public slots:

    void setDecel();

private:    

    WebTouchNavigation* m_nav;

};

class WebTouchNavigation : public QObject, 

                           public KineticScrollable

{

    Q_OBJECT

public:

    WebTouchNavigation(QGraphicsWebView* view);

    virtual ~WebTouchNavigation();

    void handleQStmGesture(QStm_Gesture* gesture);

    //from KineticScrollable

    void scrollTo(QPoint& pos);    

    QPoint getScrollPosition();

    QPoint getInitialPosition();

    QPointF getInitialSpeed();

private:

    void doTap(QStm_Gesture* gesture);

    void doPan(QStm_Gesture* gesture);

    void doFlick(QStm_Gesture* gesture);

    void doTouch(QStm_Gesture* gesture);

    void stopScrolling();

    QPointF mapFromGlobal(const QPointF& gpos);

public slots:

    void pan();    

private:    

    QTimer* m_scrollTimer;

	QPoint  m_scrollDelta;

	bool    m_scrolling;

    QPointF m_kineticSpeed;

    QGraphicsWebView* m_view;

    QWebPage*         m_webPage;

    QWebFrame* m_frame;

    KineticHelper* m_kinetic;

    DecelEdit*   m_decelEdit;

    friend class DecelEdit;

};

}

#endif //__WEBTOUCHNAVIGATION_H__