diff -r 000000000000 -r 6474c204b198 content/base/src/Attr.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/src/Attr.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,115 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Implementation of DOM Core's nsIDOMAttr node.
+ */
+
+#ifndef mozilla_dom_Attr_h
+#define mozilla_dom_Attr_h
+
+#include "mozilla/Attributes.h"
+#include "nsIAttribute.h"
+#include "nsIDOMAttr.h"
+#include "nsIDOMText.h"
+#include "nsIDOMNodeList.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsINodeInfo.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsStubMutationObserver.h"
+#include "nsIDocument.h"
+
+namespace mozilla {
+class EventChainPreVisitor;
+namespace dom {
+
+// Attribute helper class used to wrap up an attribute with a dom
+// object that implements nsIDOMAttr and nsIDOMNode
+class Attr MOZ_FINAL : public nsIAttribute,
+                       public nsIDOMAttr
+{
+public:
+  Attr(nsDOMAttributeMap* aAttrMap,
+       already_AddRefed<nsINodeInfo>&& aNodeInfo,
+       const nsAString& aValue,
+       bool aNsAware);
+  virtual ~Attr() {}
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+
+  // nsIDOMNode interface
+  NS_FORWARD_NSIDOMNODE_TO_NSINODE
+  virtual void GetTextContentInternal(nsAString& aTextContent) MOZ_OVERRIDE;
+  virtual void SetTextContentInternal(const nsAString& aTextContent,
+                                      ErrorResult& aError) MOZ_OVERRIDE;
+  virtual void GetNodeValueInternal(nsAString& aNodeValue) MOZ_OVERRIDE;
+  virtual void SetNodeValueInternal(const nsAString& aNodeValue,
+                                    ErrorResult& aError) MOZ_OVERRIDE;
+
+  // nsIDOMAttr interface
+  NS_DECL_NSIDOMATTR
+
+  virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
+
+  // nsIAttribute interface
+  void SetMap(nsDOMAttributeMap *aMap) MOZ_OVERRIDE;
+  Element* GetElement() const;
+  nsresult SetOwnerDocument(nsIDocument* aDocument) MOZ_OVERRIDE;
+
+  // nsINode interface
+  virtual bool IsNodeOfType(uint32_t aFlags) const MOZ_OVERRIDE;
+  virtual uint32_t GetChildCount() const MOZ_OVERRIDE;
+  virtual nsIContent *GetChildAt(uint32_t aIndex) const MOZ_OVERRIDE;
+  virtual nsIContent * const * GetChildArray(uint32_t* aChildCount) const MOZ_OVERRIDE;
+  virtual int32_t IndexOf(const nsINode* aPossibleChild) const MOZ_OVERRIDE;
+  virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
+                                 bool aNotify) MOZ_OVERRIDE;
+  virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) MOZ_OVERRIDE;
+  virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const MOZ_OVERRIDE;
+  virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const MOZ_OVERRIDE;
+
+  static void Initialize();
+  static void Shutdown();
+
+  NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(Attr,
+                                                                   nsIAttribute)
+
+  virtual nsIDOMNode* AsDOMNode() { return this; }
+
+  // WebIDL
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  // XPCOM GetName() is OK
+  // XPCOM GetValue() is OK
+
+  void SetValue(const nsAString& aValue, ErrorResult& aRv);
+
+  bool Specified() const;
+
+  // XPCOM GetNamespaceURI() is OK
+  // XPCOM GetPrefix() is OK
+  // XPCOM GetLocalName() is OK
+
+  Element* GetOwnerElement(ErrorResult& aRv);
+
+protected:
+  virtual Element* GetNameSpaceElement()
+  {
+    return GetElement();
+  }
+
+  static bool sInitialized;
+
+private:
+  already_AddRefed<nsIAtom> GetNameAtom(nsIContent* aContent);
+
+  nsString mValue;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_Attr_h */