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4275cd1039
In order to tailor certain security checks to the caller that is attempting to load a particular piece of content, we need to be able to attach an appropriate triggering principal to the corresponding requests. Since most HTML content is loaded based on attribute values, that means capturing the subject principal of the caller who sets those attributes, which means making it available to AfterSetAttr hooks. MozReview-Commit-ID: BMDL2Uepg0X --HG-- extra : rebase_source : 25e438c243700a9368c393e40e3a6002d968d6c8
254 lines
7.3 KiB
C++
254 lines
7.3 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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#ifndef mozilla_dom_HTMLAnchorElement_h
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#define mozilla_dom_HTMLAnchorElement_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/Link.h"
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#include "nsGenericHTMLElement.h"
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#include "nsDOMTokenList.h"
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namespace mozilla {
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class EventChainPostVisitor;
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class EventChainPreVisitor;
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namespace dom {
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class HTMLAnchorElement final : public nsGenericHTMLElement,
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public Link
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{
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public:
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using Element::GetText;
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using Element::SetText;
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explicit HTMLAnchorElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo)
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, Link(this)
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{
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}
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// CC
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLAnchorElement,
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nsGenericHTMLElement)
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLAnchorElement, a);
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virtual int32_t TabIndexDefault() override;
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virtual bool Draggable() const override;
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// Element
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virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
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// DOM memory reporter participant
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NS_DECL_ADDSIZEOFEXCLUDINGTHIS
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
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virtual nsresult GetEventTargetParent(
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EventChainPreVisitor& aVisitor) override;
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virtual nsresult PostHandleEvent(
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EventChainPostVisitor& aVisitor) override;
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virtual bool IsLink(nsIURI** aURI) const override;
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virtual void GetLinkTarget(nsAString& aTarget) override;
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virtual already_AddRefed<nsIURI> GetHrefURI() const override;
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virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) override;
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
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bool aPreallocateChildren) const override;
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virtual EventStates IntrinsicState() const override;
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virtual void OnDNSPrefetchDeferred() override;
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virtual void OnDNSPrefetchRequested() override;
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virtual bool HasDeferredDNSPrefetchRequest() override;
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// WebIDL API
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void GetHref(nsAString& aValue)
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{
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GetURIAttr(nsGkAtoms::href, nullptr, aValue);
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}
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void SetHref(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::href, aValue, rv);
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}
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void GetTarget(nsAString& aValue);
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void SetTarget(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::target, aValue, rv);
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}
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void GetDownload(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::download, aValue);
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}
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void SetDownload(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::download, aValue, rv);
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}
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void GetPing(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::ping, aValue);
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}
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void SetPing(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::ping, aValue, rv);
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}
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void GetRel(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::rel, aValue);
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}
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void SetRel(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::rel, aValue, rv);
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}
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void SetReferrerPolicy(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::referrerpolicy, aValue, rv);
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}
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void GetReferrerPolicy(DOMString& aPolicy)
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{
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GetEnumAttr(nsGkAtoms::referrerpolicy, EmptyCString().get(), aPolicy);
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}
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nsDOMTokenList* RelList();
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void GetHreflang(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::hreflang, aValue);
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}
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void SetHreflang(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::hreflang, aValue, rv);
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}
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// Needed for docshell
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void GetType(nsAString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::type, aValue);
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}
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void GetType(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::type, aValue);
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}
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void SetType(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::type, aValue, rv);
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}
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void GetText(nsAString& aValue, mozilla::ErrorResult& rv);
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void SetText(const nsAString& aValue, mozilla::ErrorResult& rv);
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// Link::GetOrigin is OK for us
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// Link::GetProtocol is OK for us
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// Link::SetProtocol is OK for us
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// Link::GetUsername is OK for us
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// Link::SetUsername is OK for us
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// Link::GetPassword is OK for us
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// Link::SetPassword is OK for us
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// Link::Link::GetHost is OK for us
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// Link::Link::SetHost is OK for us
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// Link::Link::GetHostname is OK for us
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// Link::Link::SetHostname is OK for us
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// Link::Link::GetPort is OK for us
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// Link::Link::SetPort is OK for us
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// Link::Link::GetPathname is OK for us
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// Link::Link::SetPathname is OK for us
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// Link::Link::GetSearch is OK for us
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// Link::Link::SetSearch is OK for us
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// Link::Link::GetHash is OK for us
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// Link::Link::SetHash is OK for us
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void GetCoords(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::coords, aValue);
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}
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void SetCoords(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::coords, aValue, rv);
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}
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void GetCharset(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::charset, aValue);
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}
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void SetCharset(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::charset, aValue, rv);
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}
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void GetName(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::name, aValue);
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}
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void GetName(nsAString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::name, aValue);
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}
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void SetName(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::name, aValue, rv);
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}
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void GetRev(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::rev, aValue);
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}
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void SetRev(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::rev, aValue, rv);
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}
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void GetShape(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::shape, aValue);
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}
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void SetShape(const nsAString& aValue, mozilla::ErrorResult& rv)
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{
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SetHTMLAttr(nsGkAtoms::shape, aValue, rv);
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}
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void Stringify(nsAString& aResult)
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{
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GetHref(aResult);
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}
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void ToString(nsAString& aSource);
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virtual void NodeInfoChanged(nsIDocument* aOldDoc) final override
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{
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ClearHasPendingLinkUpdate();
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nsGenericHTMLElement::NodeInfoChanged(aOldDoc);
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}
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static DOMTokenListSupportedToken sSupportedRelValues[];
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protected:
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virtual ~HTMLAnchorElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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RefPtr<nsDOMTokenList > mRelList;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLAnchorElement_h
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