forked from qt-creator/qt-creator
902358b600
Change-Id: Id0b0186b66254e275cb1648e57055ab44530a64a Reviewed-by: Eike Ziller <eike.ziller@nokia.com> Reviewed-by: Alessandro Portale <alessandro.portale@nokia.com>
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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This file was generated by the Html5 Application wizard of Qt Creator.
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Html5ApplicationViewer is a convenience class containing mobile device specific
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code such as screen orientation handling.
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It is recommended not to modify this file, since newer versions of Qt Creator
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may offer an updated version of it.
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*/
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#ifndef WEBTOUCHPHYSICS_H
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#define WEBTOUCHPHYSICS_H
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#include <QTimer>
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#include "webtouchphysicsinterface.h"
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static const int KCumulativeDistanceThreshold = 40;
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static const int KDecelerationCount = 4;
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static const int KDecelerationTimerSpeed = 10;
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static const int KFlickScrollThreshold = 400;
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static const int KJitterBufferThreshold = 200;
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static const qreal KDecelerationSlowdownFactor = 0.975;
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static const int KTouchDownStartTime = 200;
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static const int KHoverTimeoutThreshold = 100;
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static const int KNodeSearchThreshold = 400;
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class WebTouchPhysics : public WebTouchPhysicsInterface
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{
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Q_OBJECT
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public:
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WebTouchPhysics(QObject *parent = 0);
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virtual ~WebTouchPhysics();
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virtual bool inMotion();
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virtual void stop();
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virtual void start(const QPointF &pressPoint, const QWebFrame *frame);
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virtual bool move(const QPointF &pressPoint);
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virtual bool release(const QPointF &pressPoint);
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signals:
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void setRange(const QRectF &range);
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public slots:
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void decelerationTimerFired();
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void changePosition(const QPointF &point);
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bool isFlick(const QPointF &point, int distance) const;
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bool isPan(const QPointF &point, int distance) const;
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private:
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QPointF m_previousPoint;
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QPoint m_startPressPoint;
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QPointF m_decelerationSpeed;
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QList<QPointF> m_decelerationPoints;
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QTimer m_decelerationTimer;
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QPointF m_cumulativeDistance;
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const QWebFrame* m_frame;
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bool m_inMotion;
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};
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#endif // WEBTOUCHPHYSICS_H
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