Do not implement EventTarget on SVGElementInstance

Source/core/svg/SVGElementInstance.h

 /*
  * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGElementInstance_h
 #define SVGElementInstance_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/TreeShared.h"
-#include "core/events/EventTarget.h"
 
 namespace WebCore {
 
 namespace Private {
 template<class GenericNode, class GenericNodeContainer>
 void addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer&);
 };
 
 class Document;
 class SVGElement;
 class SVGUseElement;
 
 // SVGElementInstance mimics Node, but without providing all its functionality
-class SVGElementInstance FINAL : public TreeSharedWillBeRefCountedGarbageCollected<SVGElementInstance>, public EventTarget, public ScriptWrappable {
-    DEFINE_EVENT_TARGET_REFCOUNTING(TreeSharedWillBeRefCountedGarbageCollected<SVGElementInstance>);
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGElementInstance);
+class SVGElementInstance FINAL : public TreeSharedWillBeRefCountedGarbageCollected<SVGElementInstance>, public ScriptWrappable {
 public:
     static PassRefPtrWillBeRawPtr<SVGElementInstance> create(SVGUseElement* correspondingUseElement, SVGUseElement* directUseElement, PassRefPtrWillBeRawPtr<SVGElement> originalElement);
 
     virtual ~SVGElementInstance();
 
     void setParentOrShadowHostNode(SVGElementInstance* instance) { m_parentInstance = instance; }
 
-    virtual const AtomicString& interfaceName() const OVERRIDE;
-    virtual ExecutionContext* executionContext() const OVERRIDE;
-
-    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
-    virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture = false) OVERRIDE;
-    virtual void removeAllEventListeners() OVERRIDE;
-
-    using EventTarget::dispatchEvent;
-    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
-
     SVGElement* correspondingElement() const { return m_element.get(); }
     SVGUseElement* correspondingUseElement() const { return m_correspondingUseElement; }
     SVGUseElement* directUseElement() const { return m_directUseElement; }
     SVGElement* shadowTreeElement() const { return m_shadowTreeElement.get(); }
 
     void detach();
 
     SVGElementInstance* parentNode() const { return m_parentInstance; }
 
     SVGElementInstance* previousSibling() const { return m_previousSibling; }
     SVGElementInstance* nextSibling() const { return m_nextSibling; }
 
     SVGElementInstance* firstChild() const { return m_firstChild; }
     SVGElementInstance* lastChild() const { return m_lastChild; }
 
     inline Document* ownerDocument() const;
 
-    virtual void trace(Visitor*) OVERRIDE;
-
-    // EventTarget API
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), abort);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), blur);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), change);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), click);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), contextmenu);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dblclick);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), error);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), focus);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), input);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keydown);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keypress);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keyup);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), load);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousedown);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseenter);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseleave);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousemove);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseout);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseover);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseup);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousewheel);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), wheel);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforecut);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), cut);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforecopy);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), copy);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforepaste);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), paste);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragenter);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragover);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragleave);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), drop);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragstart);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), drag);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragend);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), reset);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), resize);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), scroll);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), search);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), select);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), selectstart);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), submit);
-    DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), unload);
+    virtual void trace(Visitor*);
 
 private:
     friend class SVGUseElement;
     friend class TreeShared<SVGElementInstance>;
 
     SVGElementInstance(SVGUseElement*, SVGUseElement*, PassRefPtrWillBeRawPtr<SVGElement> originalElement);
 
 #if !ENABLE(OILPAN)
     void removedLastRef();
 #endif
 
     bool hasTreeSharedParent() const { return !!m_parentInstance; }
 
-    virtual Node* toNode() OVERRIDE;
-
     void appendChild(PassRefPtrWillBeRawPtr<SVGElementInstance> child);
     void setShadowTreeElement(SVGElement*);
 
     template<class GenericNode, class GenericNodeContainer>
     friend void appendChildToContainer(GenericNode& child, GenericNodeContainer&);
 
 #if !ENABLE(OILPAN)
     template<class GenericNode, class GenericNodeContainer>
     friend void removeDetachedChildrenInContainer(GenericNodeContainer&);
 
     template<class GenericNode, class GenericNodeContainer>
     friend void Private::addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer&);
 #endif
 
     bool hasChildren() const { return m_firstChild; }
 
     void setFirstChild(SVGElementInstance* child) { m_firstChild = child; }
     void setLastChild(SVGElementInstance* child) { m_lastChild = child; }
 
     void setNextSibling(SVGElementInstance* sibling) { m_nextSibling = sibling; }
     void setPreviousSibling(SVGElementInstance* sibling) { m_previousSibling = sibling; }
 
-    virtual EventTargetData* eventTargetData() OVERRIDE;
-    virtual EventTargetData& ensureEventTargetData() OVERRIDE;
-
     RawPtrWillBeMember<SVGElementInstance> m_parentInstance;
 
     RawPtrWillBeMember<SVGUseElement> m_correspondingUseElement;
     RawPtrWillBeMember<SVGUseElement> m_directUseElement;
     RefPtrWillBeMember<SVGElement> m_element;
     RefPtrWillBeMember<SVGElement> m_shadowTreeElement;
 
     RawPtrWillBeMember<SVGElementInstance> m_previousSibling;
     RawPtrWillBeMember<SVGElementInstance> m_nextSibling;
 
     RawPtrWillBeMember<SVGElementInstance> m_firstChild;
     RawPtrWillBeMember<SVGElementInstance> m_lastChild;
 };
 
 } // namespace WebCore
 
 #endif