Use touch events to report stylus events

third_party/WebKit/Source/core/events/TouchEvent.h

 /*
  * Copyright 2008, The Android Open Source Project
  * Copyright (C) 2012 Research In Motion Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
@@ skipping 14 matching lines @@
  */
 
 #ifndef TouchEvent_h
 #define TouchEvent_h
 
 #include "core/CoreExport.h"
 #include "core/dom/TouchList.h"
 #include "core/events/EventDispatchMediator.h"
 #include "core/events/MouseRelatedEvent.h"
 #include "core/events/TouchEventInit.h"
+#include "public/platform/WebPointerProperties.h"
 
 namespace blink {
 
 class CORE_EXPORT TouchEvent final : public UIEventWithKeyState {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   ~TouchEvent() override;
 
   // We only initialize sourceCapabilities when we create TouchEvent from
   // EventHandler, null if it is from JavaScript.
   static TouchEvent* create() { return new TouchEvent; }
   static TouchEvent* create(TouchList* touches,
                             TouchList* targetTouches,
                             TouchList* changedTouches,
                             const AtomicString& type,
                             AbstractView* view,
                             PlatformEvent::Modifiers modifiers,
                             bool cancelable,
                             bool causesScrollingIfUncanceled,
                             bool firstTouchMoveOrStart,
                             double platformTimeStamp,
-                            TouchAction currentTouchAction) {
+                            TouchAction currentTouchAction,
+                            WebPointerProperties::PointerType pointerType) {
     return new TouchEvent(touches, targetTouches, changedTouches, type, view,
                           modifiers, cancelable, causesScrollingIfUncanceled,
                           firstTouchMoveOrStart, platformTimeStamp,
-                          currentTouchAction);
+                          currentTouchAction, pointerType);
   }
 
   static TouchEvent* create(const AtomicString& type,
                             const TouchEventInit& initializer) {
     return new TouchEvent(type, initializer);
   }
 
   TouchList* touches() const { return m_touches.get(); }
   TouchList* targetTouches() const { return m_targetTouches.get(); }
   TouchList* changedTouches() const { return m_changedTouches.get(); }
@@ skipping 13 matching lines @@
   bool isTouchEvent() const override;
 
   const AtomicString& interfaceName() const override;
 
   void preventDefault() override;
 
   void doneDispatchingEventAtCurrentTarget() override;
 
   EventDispatchMediator* createMediator() override;
 
+  // Transient property to inform PPAPI of touch pointer types. Will be replaced
+  // when blink transitions to handling end-to-end pointer events.
+  WebPointerProperties::PointerType pointerType() const {
+    return m_pointerType;
+  }
+
   DECLARE_VIRTUAL_TRACE();
 
  private:
   TouchEvent();
   TouchEvent(TouchList* touches,
              TouchList* targetTouches,
              TouchList* changedTouches,
              const AtomicString& type,
              AbstractView*,
              PlatformEvent::Modifiers,
              bool cancelable,
              bool causesScrollingIfUncanceled,
              bool firstTouchMoveOrStart,
              double platformTimeStamp,
-             TouchAction currentTouchAction);
+             TouchAction currentTouchAction,
+             WebPointerProperties::PointerType);
   TouchEvent(const AtomicString&, const TouchEventInit&);
 
   Member<TouchList> m_touches;
   Member<TouchList> m_targetTouches;
   Member<TouchList> m_changedTouches;
   bool m_causesScrollingIfUncanceled;
   bool m_firstTouchMoveOrStart;
   bool m_defaultPreventedBeforeCurrentTarget;
 
   // The current effective touch action computed before each
   // touchstart event is generated. It is used for UMA histograms.
   TouchAction m_currentTouchAction;
+
+  WebPointerProperties::PointerType m_pointerType;
 };
 
 class TouchEventDispatchMediator final : public EventDispatchMediator {
  public:
   static TouchEventDispatchMediator* create(TouchEvent*);
 
  private:
   explicit TouchEventDispatchMediator(TouchEvent*);
   TouchEvent& event() const;
   DispatchEventResult dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(TouchEvent);
 
 }  // namespace blink
 
 #endif  // TouchEvent_h