зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.2 KiB
C++
110 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Implementation of DOM Core's Attr node.
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*/
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#ifndef mozilla_dom_Attr_h
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#define mozilla_dom_Attr_h
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#include "mozilla/Attributes.h"
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#include "nsDOMAttributeMap.h"
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#include "nsINode.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsStubMutationObserver.h"
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namespace mozilla {
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class EventChainPreVisitor;
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namespace dom {
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class Document;
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// Attribute helper class used to wrap up an attribute with a dom
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// object that implements the DOM Attr interface.
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class Attr final : public nsINode {
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virtual ~Attr() {}
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public:
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Attr(nsDOMAttributeMap* aAttrMap, already_AddRefed<dom::NodeInfo>&& aNodeInfo,
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const nsAString& aValue);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_IMPL_FROMNODE_HELPER(Attr, IsAttr())
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// nsINode interface
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virtual void GetTextContentInternal(nsAString& aTextContent,
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OOMReporter& aError) override;
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virtual void SetTextContentInternal(const nsAString& aTextContent,
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nsIPrincipal* aSubjectPrincipal,
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ErrorResult& aError) override;
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virtual void GetNodeValueInternal(nsAString& aNodeValue) override;
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virtual void SetNodeValueInternal(const nsAString& aNodeValue,
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ErrorResult& aError) override;
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void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
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void ConstructUbiNode(void* storage) override;
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nsDOMAttributeMap* GetMap() { return mAttrMap; }
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void SetMap(nsDOMAttributeMap* aMap);
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Element* GetElement() const;
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/**
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* Called when our ownerElement is moved into a new document.
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* Updates the nodeinfo of this node.
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*/
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nsresult SetOwnerDocument(Document* aDocument);
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// nsINode interface
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virtual bool IsNodeOfType(uint32_t aFlags) const override;
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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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nsIURI* GetBaseURI(bool aTryUseXHRDocBaseURI = false) const override;
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static void Initialize();
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static void Shutdown();
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NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS(Attr)
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// WebIDL
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virtual JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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void GetName(nsAString& aName);
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void GetValue(nsAString& aValue);
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void SetValue(const nsAString& aValue, nsIPrincipal* aTriggeringPrincipal,
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ErrorResult& aRv);
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void SetValue(const nsAString& aValue, ErrorResult& aRv);
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bool Specified() const;
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// XPCOM GetNamespaceURI() is OK
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// XPCOM GetPrefix() is OK
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// XPCOM GetLocalName() is OK
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Element* GetOwnerElement(ErrorResult& aRv);
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protected:
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virtual Element* GetNameSpaceElement() override { return GetElement(); }
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static bool sInitialized;
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private:
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RefPtr<nsDOMAttributeMap> mAttrMap;
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nsString mValue;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_Attr_h */
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