Add getCoalescedEvents API to PointerEvent

third_party/WebKit/Source/core/input/PointerEventManager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PointerEventManager_h
 #define PointerEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEvent.h"
 #include "core/events/PointerEventFactory.h"
@@ skipping 16 matching lines @@
   WTF_MAKE_NONCOPYABLE(PointerEventManager);
 
  public:
   PointerEventManager(LocalFrame*, MouseEventManager*);
   DECLARE_TRACE();
 
   // Sends the mouse pointer events and the boundary events
   // that it may cause. It also sends the compat mouse events
   // and sets the newNodeUnderMouse if the capturing is set
   // in this function.
-  WebInputEventResult sendMousePointerEvent(Node* target,
-                                            const AtomicString& type,
-                                            const PlatformMouseEvent&);
+  WebInputEventResult sendMousePointerEvent(
+      Node* target,
+      const AtomicString& type,
+      const PlatformMouseEvent&,
+      const Vector<PlatformMouseEvent>& coalescedEvents);
 
-  WebInputEventResult handleTouchEvents(const PlatformTouchEvent&);
+  WebInputEventResult handleTouchEvents(
+      const PlatformTouchEvent&,
+      const Vector<PlatformTouchEvent>& coalescedEvents);
 
   // Sends boundary events pointerout/leave/over/enter and
   // mouseout/leave/over/enter to the corresponding targets.
   // inside the document. This functions handles the cases that pointer is
   // leaving a frame. Note that normal mouse events (e.g. mousemove/down/up)
   // and their corresponding boundary events will be handled altogether by
   // sendMousePointerEvent function.
   void sendMouseAndPointerBoundaryEvents(Node* enteredNode,
                                          const PlatformMouseEvent&);
 
@@ skipping 83 matching lines @@
   // Enables firing of touch-type PointerEvents after they were inhibited by
   // blockTouchPointers().
   void unblockTouchPointers();
 
   // Generate the TouchInfos for a PlatformTouchEvent, hit-testing as necessary.
   void computeTouchTargets(const PlatformTouchEvent&,
                            HeapVector<TouchEventManager::TouchInfo>&);
 
   // Sends touch pointer events and sets consumed bits in TouchInfo array
   // based on the return value of pointer event handlers.
-  void dispatchTouchPointerEvents(const PlatformTouchEvent&,
-                                  HeapVector<TouchEventManager::TouchInfo>&);
+  void dispatchTouchPointerEvents(
+      const PlatformTouchEvent&,
+      const Vector<PlatformTouchEvent>& coalescedEvents,
+      HeapVector<TouchEventManager::TouchInfo>&);
 
   // Returns whether the event is consumed or not.
   WebInputEventResult sendTouchPointerEvent(EventTarget*, PointerEvent*);
 
   void sendBoundaryEvents(EventTarget* exitedTarget,
                           EventTarget* enteredTarget,
                           PointerEvent*);
   void setNodeUnderPointer(PointerEvent*, EventTarget*);
 
   // Processes the assignment of |m_pointerCaptureTarget| from
@@ skipping 60 matching lines @@
   PointerCapturingMap m_pendingPointerCaptureTarget;
 
   PointerEventFactory m_pointerEventFactory;
   Member<TouchEventManager> m_touchEventManager;
   Member<MouseEventManager> m_mouseEventManager;
 };
 
 }  // namespace blink
 
 #endif  // PointerEventManager_h