Add getCoalescedEvents API to PointerEvent

third_party/WebKit/Source/core/input/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 123 matching lines @@
   IntPoint lastKnownMousePosition() const;
 
   IntPoint dragDataTransferLocationForTesting();
 
   // Performs a logical scroll that chains, crossing frames, starting from
   // the given node or a reasonable default (focus/last clicked).
   bool bubblingScroll(ScrollDirection,
                       ScrollGranularity,
                       Node* startingNode = nullptr);
 
-  WebInputEventResult handleMouseMoveEvent(const PlatformMouseEvent&);
+  WebInputEventResult handleMouseMoveEvent(
+      const PlatformMouseEvent&,
+      const Vector<PlatformMouseEvent>& coalescedEvents);
   void handleMouseLeaveEvent(const PlatformMouseEvent&);
 
   WebInputEventResult handleMousePressEvent(const PlatformMouseEvent&);
   WebInputEventResult handleMouseReleaseEvent(const PlatformMouseEvent&);
   WebInputEventResult handleWheelEvent(const PlatformWheelEvent&);
 
   // Called on the local root frame exactly once per gesture event.
   WebInputEventResult handleGestureEvent(const PlatformGestureEvent&);
   WebInputEventResult handleGestureEvent(const GestureEventWithHitTestResults&);
 
@@ skipping 59 matching lines @@
 
   bool handleTextInputEvent(const String& text,
                             Event* underlyingEvent = nullptr,
                             TextEventInputType = TextEventInputKeyboard);
   void defaultTextInputEventHandler(TextEvent*);
 
   void dragSourceEndedAt(const PlatformMouseEvent&, DragOperation);
 
   void capsLockStateMayHaveChanged();  // Only called by FrameSelection
 
-  WebInputEventResult handleTouchEvent(const PlatformTouchEvent&);
+  WebInputEventResult handleTouchEvent(
+      const PlatformTouchEvent&,
+      const Vector<PlatformTouchEvent>& coalescedEvents);
 
   bool useHandCursor(Node*, bool isOverLink);
 
   void notifyElementActivated();
 
   PassRefPtr<UserGestureToken> takeLastMouseDownGestureToken() {
     return m_lastMouseDownUserGestureToken.release();
   }
 
   SelectionController& selectionController() const {
@@ skipping 15 matching lines @@
   //             If not, use the current focus or last clicked node.
   bool logicalScroll(ScrollDirection,
                      ScrollGranularity,
                      Node* startNode = nullptr);
 
   bool isTouchPointerIdActiveOnFrame(int, LocalFrame*) const;
 
  private:
   WebInputEventResult handleMouseMoveOrLeaveEvent(
       const PlatformMouseEvent&,
+      const Vector<PlatformMouseEvent>&,
       HitTestResult* hoveredNode = nullptr,
       bool onlyUpdateScrollbars = false,
       bool forceLeave = false);
 
   HitTestRequest::HitTestRequestType getHitTypeForGestureType(
       PlatformEvent::EventType);
   void applyTouchAdjustment(PlatformGestureEvent*, HitTestResult*);
   WebInputEventResult handleGestureTapDown(
       const GestureEventWithHitTestResults&);
   WebInputEventResult handleGestureTap(const GestureEventWithHitTestResults&);
@@ skipping 25 matching lines @@
   // Dispatches ME after corresponding PE provided the PE has not been canceled.
   // The eventType arg must be a mouse event that can be gated though a
   // preventDefaulted pointerdown (i.e., one of
   // {mousedown, mousemove, mouseup}).
   // TODO(mustaq): Can we avoid the clickCount param, instead use
   // PlatformMouseEvent's count?
   //     Same applied to dispatchMouseEvent() above.
   WebInputEventResult updatePointerTargetAndDispatchEvents(
       const AtomicString& mouseEventType,
       Node* target,
-      const PlatformMouseEvent&);
+      const PlatformMouseEvent&,
+      const Vector<PlatformMouseEvent>& coalescedEvents);
 
   // Clears drag target and related states. It is called when drag is done or
   // canceled.
   void clearDragState();
 
   WebInputEventResult passMousePressEventToSubframe(
       MouseEventWithHitTestResults&,
       LocalFrame* subframe);
   WebInputEventResult passMouseMoveEventToSubframe(
       MouseEventWithHitTestResults&,
+      const Vector<PlatformMouseEvent>&,
       LocalFrame* subframe,
       HitTestResult* hoveredNode = nullptr);
   WebInputEventResult passMouseReleaseEventToSubframe(
       MouseEventWithHitTestResults&,
       LocalFrame* subframe);
 
   bool passMousePressEventToScrollbar(MouseEventWithHitTestResults&);
 
   void defaultSpaceEventHandler(KeyboardEvent*);
   void defaultBackspaceEventHandler(KeyboardEvent*);
@@ skipping 54 matching lines @@
 
   // Set on GestureTapDown if the |pointerdown| event corresponding to the
   // triggering |touchstart| event was canceled. This suppresses mouse event
   // firing for the current gesture sequence (i.e. until next GestureTapDown).
   bool m_suppressMouseEventsFromGestures;
 };
 
 }  // namespace blink
 
 #endif  // EventHandler_h