Support Coalesced Touch in ppapi

third_party/WebKit/Source/core/input/TouchEventManager.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 TouchEventManager_h
 #define TouchEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEventFactory.h"
 #include "platform/graphics/TouchAction.h"
 #include "platform/wtf/Allocator.h"
 #include "platform/wtf/HashMap.h"
+#include "platform/wtf/Vector.h"
 #include "public/platform/WebInputEventResult.h"
 #include "public/platform/WebTouchPoint.h"
 
 namespace blink {
 
 class LocalFrame;
 class Document;
 class WebTouchEvent;
 
 // This class takes care of dispatching all touch events and
@@ skipping 27 matching lines @@
   // Does the hit-testing again if the original hit test result was not inside
   // capturing frame for touch events. Returns true if touch events could be
   // dispatched and otherwise returns false.
   bool ReHitTestTouchPointsIfNeeded(const WebTouchEvent&,
                                     HeapVector<TouchInfo>&);
 
   // The TouchInfo array is reference just to prevent the copy. However, it
   // cannot be const as this function might change some of the properties in
   // TouchInfo objects.
   WebInputEventResult HandleTouchEvent(const WebTouchEvent&,
+                                       const Vector<WebTouchEvent>&,
                                        HeapVector<TouchInfo>&);
 
   // Resets the internal state of this object.
   void Clear();
 
   // Returns whether there is any touch on the screen.
   bool IsAnyTouchActive() const;
 
  private:
   void UpdateTargetAndRegionMapsForTouchStarts(HeapVector<TouchInfo>&);
   void SetAllPropertiesOfTouchInfos(HeapVector<TouchInfo>&);
 
   WebInputEventResult DispatchTouchEvents(const WebTouchEvent&,
+                                          const Vector<WebTouchEvent>&,
                                           const HeapVector<TouchInfo>&,
                                           bool all_touches_released);
 
   // NOTE: If adding a new field to this class please ensure that it is
   // cleared in |TouchEventManager::clear()|.
 
   const Member<LocalFrame> frame_;
 
   // The target of each active touch point indexed by the touch ID.
   using TouchTargetMap =
@@ skipping 18 matching lines @@
   // The current touch action, computed on each touch start and is
   // a union of all touches. Reset when all touches are released.
   TouchAction current_touch_action_;
 };
 
 }  // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TouchEventManager::TouchInfo);
 
 #endif  // TouchEventManager_h