ginebra2/WebTouchNavigation.h
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program.  If not,
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:
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*
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*/
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#ifndef __WEBTOUCHNAVIGATION_H__
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#define __WEBTOUCHNAVIGATION_H__
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#include "qstmgestureevent.h"
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#include "KineticHelper.h"
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#include <QLineEdit>
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class QGraphicsWebView;
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class QWebPage;
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class QWebFrame;
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namespace GVA {
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class WebTouchNavigation;
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class DecelEdit : public QLineEdit
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{
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    Q_OBJECT
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public:
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    DecelEdit(WebTouchNavigation* nav);
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    ~DecelEdit() {};
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public slots:
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    void setDecel();
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private:
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    WebTouchNavigation* m_nav;
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};
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class WebTouchNavigation : public QObject,
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                           public KineticScrollable
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{
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    Q_OBJECT
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public:
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    WebTouchNavigation(QGraphicsWebView* view);
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    virtual ~WebTouchNavigation();
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    void handleQStmGesture(QStm_Gesture* gesture);
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    //from KineticScrollable
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    void scrollTo(QPoint& pos);
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    QPoint getScrollPosition();
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    QPoint getInitialPosition();
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    QPointF getInitialSpeed();
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private:
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    void doTap(QStm_Gesture* gesture);
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    void doPan(QStm_Gesture* gesture);
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    void doFlick(QStm_Gesture* gesture);
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    void doTouch(QStm_Gesture* gesture);
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    void stopScrolling();
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    QPointF mapFromGlobal(const QPointF& gpos);
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    void pan();
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    QTimer* m_scrollTimer;
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    QPoint  m_scrollDelta;
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    bool    m_scrolling;
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    QPointF m_kineticSpeed;
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    QGraphicsWebView* m_view;
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    QWebPage*         m_webPage;
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    QWebFrame* m_frame;
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    KineticHelper* m_kinetic;
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    DecelEdit*   m_decelEdit;
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    friend class DecelEdit;
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};
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}
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#endif //__WEBTOUCHNAVIGATION_H__
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