Remove more mouse-specific code

sky/engine/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 63 matching lines @@
 
 class EventHandler {
     WTF_MAKE_NONCOPYABLE(EventHandler);
 public:
     explicit EventHandler(LocalFrame*);
     ~EventHandler();
 
     void clear();
     void nodeWillBeRemoved(Node&);
 
-    void updateSelectionForMouseDrag();
-
-    Node* mousePressNode() const;
-
     void stopAutoscroll();
 
     HitTestResult hitTestResultAtPoint(const LayoutPoint&,
         HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active,
         const LayoutSize& padding = LayoutSize());
 
-    bool mousePressed() const { return m_mousePressed; }
-    void setMousePressed(bool pressed) { m_mousePressed = pressed; }
-
-    void scheduleHoverStateUpdate();
     void scheduleCursorUpdate();
 
-    IntPoint lastKnownMousePosition() const;
-    Cursor currentMouseCursor() const { return m_currentMouseCursor; }
-
     // Attempts to scroll the DOM tree. If that fails, scrolls the view.
     // If the view can't be scrolled either, recursively bubble to the parent frame.
     bool bubblingScroll(ScrollDirection, ScrollGranularity, Node* startingNode = 0);
 
-    void setMouseDownMayStartAutoscroll() { m_mouseDownMayStartAutoscroll = true; }
-
     bool keyEvent(const PlatformKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*);
 
     bool handleTextInputEvent(const String& text, Event* underlyingEvent = 0, TextEventInputType = TextEventInputKeyboard);
     void defaultTextInputEventHandler(TextEvent*);
 
     void focusDocumentView();
 
     void capsLockStateMayHaveChanged(); // Only called by FrameSelection
 
     bool useHandCursor(Node*, bool isOverLink);
 
     void notifyElementActivated();
 
 private:
-    bool updateSelectionForMouseDownDispatchingSelectStart(Node*, const VisibleSelection&, TextGranularity);
     void selectClosestWordFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
     void selectClosestMisspellingFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
 
     OptionalCursor selectCursor(const HitTestResult&);
     OptionalCursor selectAutoCursor(const HitTestResult&, Node*, const Cursor& iBeam);
 
     void hoverTimerFired(Timer<EventHandler>*);
     void cursorUpdateTimerFired(Timer<EventHandler>*);
     void activeIntervalTimerFired(Timer<EventHandler>*);
 
-    bool mouseDownMayStartSelect() const { return m_mouseDownMayStartSelect; }
-
     bool isCursorVisible() const;
     void updateCursor();
 
     bool isInsideScrollbar(const IntPoint&) const;
 
     ScrollableArea* associatedScrollableArea(const RenderLayer*) const;
 
     // Scrolls the elements of the DOM tree. Returns true if a node was scrolled.
     // False if we reached the root and couldn't scroll anything.
     // direction - The direction to scroll in. If this is a logicl direction, it will be
@@ skipping 12 matching lines @@
 
     HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active);
 
     void invalidateClick();
 
     bool dragHysteresisExceeded(const FloatPoint&) const;
     bool dragHysteresisExceeded(const IntPoint&) const;
 
     void defaultTabEventHandler(KeyboardEvent*);
 
-    void updateSelectionForMouseDrag(const HitTestResult&);
-
-    void updateLastScrollbarUnderMouse(Scrollbar*, bool);
-
     bool capturesDragging() const { return m_capturesDragging; }
 
     AutoscrollController* autoscrollController() const;
 
     LocalFrame* const m_frame;
 
-    bool m_mousePressed;
     bool m_capturesDragging;
-    RefPtr<Node> m_mousePressNode;
 
-    bool m_mouseDownMayStartSelect;
-    bool m_mouseDownMayStartDrag;
     enum SelectionInitiationState { HaveNotStartedSelection, PlacedCaret, ExtendedSelection };
     SelectionInitiationState m_selectionInitiationState;
 
     LayoutPoint m_dragStartPos;
 
-    Timer<EventHandler> m_hoverTimer;
     Timer<EventHandler> m_cursorUpdateTimer;
 
-    bool m_mouseDownMayStartAutoscroll;
-
-    RefPtr<Node> m_nodeUnderMouse;
-    RefPtr<Node> m_lastNodeUnderMouse;
-    RefPtr<Scrollbar> m_lastScrollbarUnderMouse;
-    Cursor m_currentMouseCursor;
-
     int m_clickCount;
     RefPtr<Node> m_clickNode;
 
     RefPtr<Node> m_dragTarget;
     bool m_shouldOnlyFireDragOverEvent;
 
-    bool m_mousePositionIsUnknown;
-    IntPoint m_lastKnownMousePosition;
-    IntPoint m_lastKnownMouseGlobalPosition;
-    IntPoint m_mouseDownPos; // In our view's coords.
-
-    RefPtr<Node> m_previousWheelScrolledNode;
-
-    double m_maxMouseMovedDuration;
     bool m_didStartDrag;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_