Remove mouse events from Sky

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 14 matching lines @@
 
 #ifndef SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_
 #define SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_
 
 #include "sky/engine/core/editing/TextGranularity.h"
 #include "sky/engine/core/events/TextEventInputType.h"
 #include "sky/engine/core/page/FocusType.h"
 #include "sky/engine/core/rendering/HitTestRequest.h"
 #include "sky/engine/core/rendering/style/RenderStyleConstants.h"
 #include "sky/engine/platform/Cursor.h"
-#include "sky/engine/platform/PlatformMouseEvent.h"
+#include "sky/engine/platform/PlatformEvent.h"
 #include "sky/engine/platform/Timer.h"
 #include "sky/engine/platform/geometry/LayoutPoint.h"
 #include "sky/engine/platform/heap/Handle.h"
 #include "sky/engine/platform/scroll/ScrollTypes.h"
 #include "sky/engine/wtf/Forward.h"
 #include "sky/engine/wtf/HashMap.h"
 #include "sky/engine/wtf/HashTraits.h"
 #include "sky/engine/wtf/RefPtr.h"
 
 namespace blink {
 
 class AutoscrollController;
 class Document;
 class Element;
 class Event;
 class EventTarget;
 template <typename EventType>
 class EventWithHitTestResults;
 class FloatPoint;
 class FloatQuad;
 class HitTestRequest;
 class HitTestResult;
 class KeyboardEvent;
 class LocalFrame;
 class Node;
 class OptionalCursor;
 class PlatformGestureEvent;
 class PlatformKeyboardEvent;
 class PlatformTouchEvent;
-class PlatformWheelEvent;
 class RenderLayer;
 class RenderLayerScrollableArea;
 class RenderObject;
 class ScrollableArea;
 class Scrollbar;
 class TextEvent;
 class TouchEvent;
 class VisibleSelection;
-class WheelEvent;
 class Widget;
 
 typedef EventWithHitTestResults<PlatformGestureEvent> GestureEventWithHitTestResults;
-typedef EventWithHitTestResults<PlatformMouseEvent> MouseEventWithHitTestResults;
 
 enum AppendTrailingWhitespace { ShouldAppendTrailingWhitespace, DontAppendTrailingWhitespace };
 enum CheckDragHysteresis { ShouldCheckDragHysteresis, DontCheckDragHysteresis };
 
 class EventHandler {
     WTF_MAKE_NONCOPYABLE(EventHandler);
 public:
     explicit EventHandler(LocalFrame*);
     ~EventHandler();
 
     void clear();
     void nodeWillBeRemoved(Node&);
 
     void updateSelectionForMouseDrag();
 
     Node* mousePressNode() const;
 
     void stopAutoscroll();
 
-    void dispatchFakeMouseMoveEventSoon();
-    void dispatchFakeMouseMoveEventSoonInQuad(const FloatQuad&);
-
     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 setCapturingMouseEventsNode(PassRefPtr<Node>); // A caller is responsible for resetting capturing node to 0.
-
     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);
 
-    bool handleMouseMoveEvent(const PlatformMouseEvent&);
-    void handleMouseLeaveEvent(const PlatformMouseEvent&);
-
-    bool handleMousePressEvent(const PlatformMouseEvent&);
-    bool handleMouseReleaseEvent(const PlatformMouseEvent&);
-    bool handleWheelEvent(const PlatformWheelEvent&);
-    void defaultWheelEventHandler(Node*, WheelEvent*);
-
     // Called on the local root frame exactly once per gesture event.
     bool handleGestureEvent(const PlatformGestureEvent&);
 
     // Hit-test the provided (non-scroll) gesture event, applying touch-adjustment and updating
     // hover/active state across all frames if necessary. This should be called at most once
     // per gesture event, and called on the local root frame.
     // Note: This is similar to (the less clearly named) prepareMouseEvent.
     // FIXME: Remove readOnly param when there is only ever a single call to this.
     GestureEventWithHitTestResults targetGestureEvent(const PlatformGestureEvent&, bool readOnly = false);
 
@@ skipping 20 matching lines @@
     bool handleTouchEvent(const PlatformTouchEvent&);
 
     bool useHandCursor(Node*, bool isOverLink);
 
     void notifyElementActivated();
 
 private:
     bool updateSelectionForMouseDownDispatchingSelectStart(Node*, const VisibleSelection&, TextGranularity);
     void selectClosestWordFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
     void selectClosestMisspellingFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
-    void selectClosestWordFromMouseEvent(const MouseEventWithHitTestResults&);
-    void selectClosestMisspellingFromMouseEvent(const MouseEventWithHitTestResults&);
-    void selectClosestWordOrLinkFromMouseEvent(const MouseEventWithHitTestResults&);
-
-    bool handleMouseMoveOrLeaveEvent(const PlatformMouseEvent&, HitTestResult* hoveredNode = 0, bool onlyUpdateScrollbars = false);
-    bool handleMousePressEvent(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventSingleClick(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventDoubleClick(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventTripleClick(const MouseEventWithHitTestResults&);
-    bool handleMouseFocus(const PlatformMouseEvent&);
-    bool handleMouseDraggedEvent(const MouseEventWithHitTestResults&);
-    bool handleMouseReleaseEvent(const MouseEventWithHitTestResults&);
-
-    bool handlePasteGlobalSelection(const PlatformMouseEvent&);
 
     HitTestRequest::HitTestRequestType getHitTypeForGestureType(PlatformEvent::Type);
 
     bool handleGestureTap(const GestureEventWithHitTestResults&);
     bool handleGestureLongPress(const GestureEventWithHitTestResults&);
     bool handleGestureLongTap(const GestureEventWithHitTestResults&);
     bool handleGestureScrollUpdate(const PlatformGestureEvent&);
     bool handleGestureScrollBegin(const PlatformGestureEvent&);
     void clearGestureScrollNodes();
 
     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; }
 
-    void fakeMouseMoveEventTimerFired(Timer<EventHandler>*);
-    void cancelFakeMouseMoveEvent();
     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
     //             converted to the physical direction based on a node's writing mode.
     // granularity - The units that the  scroll delta parameter is in.
     // startNode - The node to start bubbling the scroll from. If a node can't scroll,
     //             the scroll bubbles up to the containing block.
     // stopNode - On input, if provided and non-null, the node at which we should stop bubbling on input.
     //            On output, if provided and a node was scrolled stopNode will point to that node.
     // delta - The delta to scroll by, in the units of the granularity parameter. (e.g. pixels, lines, pages, etc.)
     // absolutePoint - For wheel scrolls - the location, in absolute coordinates, where the event occured.
     bool scroll(ScrollDirection, ScrollGranularity, Node* startNode = 0, Node** stopNode = 0, float delta = 1.0f, IntPoint absolutePoint = IntPoint());
 
     TouchAction intersectTouchAction(const TouchAction, const TouchAction);
     TouchAction computeEffectiveTouchAction(const Node&);
 
     HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active);
 
     void invalidateClick();
 
-    void updateMouseEventTargetNode(Node*, const PlatformMouseEvent&, bool fireMouseOverOut);
-
-    MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const PlatformMouseEvent&);
-
-    bool dispatchMouseEvent(const AtomicString& eventType, Node* target, int clickCount, const PlatformMouseEvent&, bool setUnder);
-
     bool dragHysteresisExceeded(const FloatPoint&) const;
     bool dragHysteresisExceeded(const IntPoint&) const;
 
-    bool passMousePressEventToScrollbar(MouseEventWithHitTestResults&);
-
-    bool passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults&);
-
-    bool passWheelEventToWidget(const PlatformWheelEvent&, Widget*);
     void defaultTabEventHandler(KeyboardEvent*);
 
     void updateSelectionForMouseDrag(const HitTestResult&);
 
     void updateLastScrollbarUnderMouse(Scrollbar*, bool);
 
     bool capturesDragging() const { return m_capturesDragging; }
 
     bool handleGestureShowPress();
 
     bool passScrollGestureEventToWidget(const PlatformGestureEvent&, RenderObject*);
     bool sendScrollEventToView(const PlatformGestureEvent&, const FloatSize&);
 
     AutoscrollController* autoscrollController() const;
-    void setLastKnownMousePosition(const PlatformMouseEvent&);
 
     LocalFrame* const m_frame;
 
     bool m_mousePressed;
     bool m_capturesDragging;
     RefPtr<Node> m_mousePressNode;
 
     bool m_mouseDownMayStartSelect;
     bool m_mouseDownMayStartDrag;
-    bool m_mouseDownWasSingleClickInSelection;
     enum SelectionInitiationState { HaveNotStartedSelection, PlacedCaret, ExtendedSelection };
     SelectionInitiationState m_selectionInitiationState;
 
     LayoutPoint m_dragStartPos;
 
     Timer<EventHandler> m_hoverTimer;
     Timer<EventHandler> m_cursorUpdateTimer;
 
     bool m_mouseDownMayStartAutoscroll;
 
-    Timer<EventHandler> m_fakeMouseMoveEventTimer;
-
-    RefPtr<Node> m_capturingMouseEventsNode;
-    bool m_eventHandlerWillResetCapturingMouseEventsNode;
-
     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.
-    double m_mouseDownTimestamp;
-    PlatformMouseEvent m_mouseDown;
-
-    RefPtr<Node> m_latchedWheelEventNode;
-    bool m_widgetIsLatched;
 
     RefPtr<Node> m_previousWheelScrolledNode;
 
     // The target of each active touch point indexed by the touch ID.
     typedef HashMap<unsigned, RefPtr<EventTarget>, DefaultHash<unsigned>::Hash, WTF::UnsignedWithZeroKeyHashTraits<unsigned> > TouchTargetMap;
     TouchTargetMap m_targetForTouchID;
 
     // If set, the document of the active touch sequence. Unset if no touch sequence active.
     RefPtr<Document> m_touchSequenceDocument;
 
     bool m_touchPressed;
 
     RefPtr<Node> m_scrollGestureHandlingNode;
     bool m_lastGestureScrollOverWidget;
     RefPtr<Node> m_previousGestureScrolledNode;
     RefPtr<Scrollbar> m_scrollbarHandlingScrollGesture;
 
     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_