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 216 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&);
 
     void updateGestureTargetNodeForMouseEvent(const GestureEventWithHitTestResults&);
 
     bool shouldApplyTouchAdjustment(const PlatformGestureEvent&) const;
 
     OptionalCursor selectCursor(const HitTestResult&);
     OptionalCursor selectAutoCursor(const HitTestResult&, Node*, const Cursor& iBeam);
@@ skipping 126 matching lines @@
     PointerEventManager m_pointerEventManager;
     ScrollManager m_scrollManager;
 
     double m_maxMouseMovedDuration;
 
     bool m_longTapShouldInvokeContextMenu;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     Member<Element> m_lastDeferredTapElement;
+
+    // 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