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