Introduce DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER() macro

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/EventTarget.h"
 #include "core/platform/TreeShared.h"
-#include "core/svg/SVGElement.h"
 
 namespace WebCore {
 
 namespace Private {
 template<class GenericNode, class GenericNodeContainer>
 void addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer* container);
 };
 
-class SVGUseElement;
+class Document;
+class SVGElement;
 class SVGElementInstanceList;
 class SVGStyledElement;
+class SVGUseElement;
 
 // SVGElementInstance mimics Node, but without providing all its functionality
 class SVGElementInstance : public EventTarget, public ScriptWrappable, public TreeShared<SVGElementInstance> {
 public:
-    static PassRefPtr<SVGElementInstance> create(SVGUseElement* correspondingUseElement, SVGUseElement* directUseElement, PassRefPtr<SVGElement> originalElement)
-    {
-        return adoptRef(new SVGElementInstance(correspondingUseElement, directUseElement, originalElement));
-    }
+    static PassRefPtr<SVGElementInstance> create(SVGUseElement* correspondingUseElement, SVGUseElement* directUseElement, PassRefPtr<SVGElement> originalElement);
 
     virtual ~SVGElementInstance();
 
     void setParentOrShadowHostNode(SVGElementInstance* instance) { m_parentInstance = instance; }
 
     virtual const AtomicString& interfaceName() const;
     virtual ScriptExecutionContext* scriptExecutionContext() const;
 
     virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
     virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
@@ skipping 11 matching lines @@
 
     SVGElementInstance* parentNode() const { return m_parentInstance; }
     PassRefPtr<SVGElementInstanceList> childNodes();
 
     SVGElementInstance* previousSibling() const { return m_previousSibling; }
     SVGElementInstance* nextSibling() const { return m_nextSibling; }
 
     SVGElementInstance* firstChild() const { return m_firstChild; }
     SVGElementInstance* lastChild() const { return m_lastChild; }
 
-    Document* ownerDocument() const { return m_element ? m_element->ownerDocument() : 0; }
+    inline Document* ownerDocument() const;
 
     class InvalidationGuard {
         WTF_MAKE_NONCOPYABLE(InvalidationGuard);
     public:
         InvalidationGuard(SVGElement* element) : m_element(element) { }
         ~InvalidationGuard() { SVGElementInstance::invalidateAllInstancesOfElement(m_element); }
     private:
         SVGElement* m_element;
     };
 
     class InstanceUpdateBlocker {
         WTF_MAKE_NONCOPYABLE(InstanceUpdateBlocker);
     public:
         InstanceUpdateBlocker(SVGElement* targetElement);
         ~InstanceUpdateBlocker();
 
     private:
         SVGStyledElement* m_targetElement;
     };
 
     static void invalidateAllInstancesOfElement(SVGElement*);
 
     using TreeShared<SVGElementInstance>::ref;
     using TreeShared<SVGElementInstance>::deref;
 
     // EventTarget API
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), abort);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), blur);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), change);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), click);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), contextmenu);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dblclick);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), error);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), focus);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), input);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keydown);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keypress);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), keyup);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), load);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousedown);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousemove);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseout);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseover);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mouseup);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), mousewheel);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforecut);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), cut);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforecopy);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), copy);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), beforepaste);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), paste);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragenter);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragover);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragleave);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), drop);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragstart);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), drag);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dragend);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), reset);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), resize);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), scroll);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), search);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), select);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), selectstart);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), submit);
-    DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), unload);
+    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(), 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(), 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);
 
 private:
     friend class SVGUseElement;
     friend class TreeShared<SVGElementInstance>;
 
     SVGElementInstance(SVGUseElement*, SVGUseElement*, PassRefPtr<SVGElement> originalElement);
 
     void removedLastRef();
     bool hasTreeSharedParent() const { return !!m_parentInstance; }
 
-    virtual Node* toNode() { return shadowTreeElement(); }
+    virtual Node* toNode();
 
     void appendChild(PassRefPtr<SVGElementInstance> child);
     void setShadowTreeElement(SVGElement*);
 
     template<class GenericNode, class GenericNodeContainer>
     friend void appendChildToContainer(GenericNode* child, GenericNodeContainer* container);
 
     template<class GenericNode, class GenericNodeContainer>
     friend void removeDetachedChildrenInContainer(GenericNodeContainer*);
 
@@ skipping 23 matching lines @@
     SVGElementInstance* m_previousSibling;
     SVGElementInstance* m_nextSibling;
 
     SVGElementInstance* m_firstChild;
     SVGElementInstance* m_lastChild;
 };
 
 } // namespace WebCore
 
 #endif