173         * @since 5.0

   173         * @since 5.0

   174         * param

   174         * param

   175         * return

   175         * return

   176         */

   176         */

   177         WebScrollbarDrawer*  scrollbarDrawer() {return m_scrollbarDrawer;}

   177         WebScrollbarDrawer*  scrollbarDrawer() {return m_scrollbarDrawer;}

   178 

   180 

   179         //callbacks

   181         //callbacks

   180         static int pageOverviewScrollCallback( TAny* aPtr );

   182         static int pageOverviewScrollCallback( TAny* aPtr );

   181         //static int handleScrollTimerEventCallback( TAny* ptr);

   183         //static int handleScrollTimerEventCallback( TAny* ptr);

   182         void scrollPageOverviewGH();

   184         void scrollPageOverviewGH();

   183         void handleScrollingGH(const TStmGestureEvent& aGesture);

   185         void handleScrollingGH(const TStmGestureEvent& aGesture);

   184         void handleTouchDownGH(const TStmGestureEvent& aGesture);

   186         void handleTouchDownGH(const TStmGestureEvent& aGesture);

   185         void handleTouchUpGH(const TStmGestureEvent& aGesture);

   187         void handleTouchUpGH(const TStmGestureEvent& aGesture);

   186         void updateScrollbars(const TPoint& scrollPos, TPoint& newscrollDelta);

   188         void updateScrollbars(const TPoint& scrollPos, TPoint& newscrollDelta);

   189 

   189 

   190      private:

   190      private:

   191         void calculateScrollDirection(int absX, int absY);

   191         void calculateScrollDirection(int absX, int absY);

   192         bool calculateScrollableFrameView(const TPoint& aNewPosition);

   192         bool calculateScrollableFrameView(const TPoint& aNewPosition);

   193         bool calculateScrollableElement(const TPoint& aNewPosition);

   193         bool calculateScrollableElement(const TPoint& aNewPosition);

   210         bool m_isXScrollable;

   210         bool m_isXScrollable;

   211         bool m_isYScrollable;

   211         bool m_isYScrollable;

   212         TTime m_lastMoveEventTime;

   212         TTime m_lastMoveEventTime;

   213         TTime m_pageOverviewEventTime;

   213         TTime m_pageOverviewEventTime;

   214         WebScrollingDecelerator* m_decel;

   214         WebScrollingDecelerator* m_decel;

   216         TPointerEvent m_lastDragEvent;

   216         TPointerEvent m_lastDragEvent;

   217         CPeriodic* m_scrollTimer;

   217         CPeriodic* m_scrollTimer;

   218         ScrollableView m_scrollableView;

   218         ScrollableView m_scrollableView;

   219         TPoint m_currentNormalizedPosition; //normalized position

   219         TPoint m_currentNormalizedPosition; //normalized position

   220         enum ScrollDirectionState m_scrollDirectionState;        

   220         enum ScrollDirectionState m_scrollDirectionState;