/*

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

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* 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__