/*

* Copyright (c) 2009 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 WEBDIRECTIONALNAVIGATION_H

#define WEBDIRECTIONALNAVIGATION_H

#include <qobject.h>

#include <qevent.h>

#include <qvector.h>

#include <qpixmap.h>

#include <qwebelement.h>

class QWebPage;

namespace WRT {

    class WebDirectionalNavigation : public QObject

    {

    Q_OBJECT

    public:

        WebDirectionalNavigation(QWebPage* webPage,QObject* view);

        virtual ~WebDirectionalNavigation();

        void install();

        void uninstall();

        void setPage( QWebPage * page){ m_webPage = page ;}

    signals:

        void pageScrollPositionZero();

    protected:

        bool eventFilter(QObject *object, QEvent *event);

        void initiallayoutCompleted();

        double calculateElementDistance(int direction, const QRect& possibleRect);

        bool nextElementInDirection(int direction);

        void scrollFrame(int direction);

        void scrollFrameOneDirection (int direction, int distance);

        void scrollCurrentFrame (int dx, int dy);

        void setCurrentFrameScrollPosition (QPoint& pos);

    protected:

        QWebPage* m_webPage;

        QObject* m_view;

        QWebElement m_webElement;

		QString m_webElementStyle; 

        QPoint m_focusPoint;

    };

};

#endif