Suppressed MEs for gestures from cancelled PEs

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 219 matching lines @@
     DataTransfer* createDraggingDataTransfer() const;
 
     WebInputEventResult handleMouseMoveOrLeaveEvent(const PlatformMouseEvent&, HitTestResult* hoveredNode = nullptr, bool onlyUpdateScrollbars = false, bool forceLeave = false);
     WebInputEventResult handleMousePressEvent(const MouseEventWithHitTestResults&);
     WebInputEventResult handleMouseFocus(const MouseEventWithHitTestResults&, InputDeviceCapabilities* sourceCapabilities);
     WebInputEventResult handleMouseDraggedEvent(const MouseEventWithHitTestResults&);
     WebInputEventResult handleMouseReleaseEvent(const MouseEventWithHitTestResults&);
 
     HitTestRequest::HitTestRequestType getHitTypeForGestureType(PlatformEvent::EventType);
     void applyTouchAdjustment(PlatformGestureEvent*, HitTestResult*);
+    WebInputEventResult handleGestureTapDown(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureTap(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureLongPress(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureLongTap(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureScrollUpdate(const PlatformGestureEvent&);
     WebInputEventResult handleGestureScrollBegin(const PlatformGestureEvent&);
     void clearGestureScrollState();
 
     void updateGestureTargetNodeForMouseEvent(const GestureEventWithHitTestResults&);
 
     bool shouldApplyTouchAdjustment(const PlatformGestureEvent&) const;
@@ skipping 206 matching lines @@
     Member<Element> m_lastDeferredTapElement;
 
     // Only used with the ScrollCustomization runtime enabled feature.
     std::deque<int> m_currentScrollChain;
     // True iff some of the delta has been consumed for the current
     // scroll sequence in this frame, or any child frames. Only used
     // with ScrollCustomization. If some delta has been consumed, a
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
+
+    // Set on GestureTapDown if the |pointerdown| event corresponding to the
+    // triggering |touchstart| event was canceled. This suppresses mouse event
+    // firing for the current gesure sequence (i.e. until next GestureTapDown).

[tdresser, 2016/05/27 18:26:32]

gesure -> gesture.

[mustaq, 2016/06/02 19:26:26]

Done.

+    bool m_suppressMouseEventsFromGestures;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h