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f3b3e86c4b
We might want to consider changing the setup for RefPtrTraits, so that it could work well with certain types of classes, but this patch is taking the approach where one needs to explicitly opt-in classes. Also, see the patch changing nsCOMPtr which makes also that to use same AddRef/Release mechanism. That doesn't not only give consistent behavior, but also helps with performance. Depends on D187147 Differential Revision: https://phabricator.services.mozilla.com/D187148
112 lines
3.2 KiB
C++
112 lines
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() = default;
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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_ISUPPORTS_INHERITED
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NS_IMETHOD_(void) DeleteCycleCollectable(void) final;
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NS_DECL_DOMARENA_DESTROY
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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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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_WRAPPERCACHE_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();
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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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