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ca33d8548f
...instead of forwarding to the sheet like HTMLStyleElement does. I've proposed this behavior in: https://github.com/whatwg/html/issues/3840#issuecomment-480894419 I think this is one of the sane behaviors we can have, what Blink / WebKit do makes no sense to me. Alternative potentially-sane behavior is making the initial value of the stylesheet's disabled bit the same as the content attribute, and both reflect and forward the attribute from the setter. That means that setAttribute does something different than setting `disabled`, which means that you can get into all sorts of funny states when reloading the sheet... So I rather not do that. Differential Revision: https://phabricator.services.mozilla.com/D26573 --HG-- extra : moz-landing-system : lando
90 lines
3.3 KiB
C++
90 lines
3.3 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_HTMLStyleElement_h
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#define mozilla_dom_HTMLStyleElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsStyleLinkElement.h"
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#include "nsStubMutationObserver.h"
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namespace mozilla {
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namespace dom {
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class HTMLStyleElement final : public nsGenericHTMLElement,
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public nsStyleLinkElement,
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public nsStubMutationObserver {
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public:
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explicit HTMLStyleElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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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(HTMLStyleElement,
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nsGenericHTMLElement)
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void GetInnerHTML(nsAString& aInnerHTML, OOMReporter& aError) override;
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using nsGenericHTMLElement::SetInnerHTML;
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virtual void SetInnerHTML(const nsAString& aInnerHTML,
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nsIPrincipal* aSubjectPrincipal,
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mozilla::ErrorResult& aError) override;
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virtual void SetTextContentInternal(const nsAString& aTextContent,
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nsIPrincipal* aSubjectPrincipal,
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mozilla::ErrorResult& aError) override;
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virtual nsresult BindToTree(Document* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) 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(dom::NodeInfo*, nsINode** aResult) const override;
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// nsIMutationObserver
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NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
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bool Disabled() const;
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void SetDisabled(bool aDisabled);
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void GetMedia(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::media, aValue); }
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void SetMedia(const nsAString& aMedia, ErrorResult& aError) {
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SetHTMLAttr(nsGkAtoms::media, aMedia, aError);
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}
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void GetType(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
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void SetType(const nsAString& aType, ErrorResult& aError) {
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SetHTMLAttr(nsGkAtoms::type, aType, aError);
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}
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virtual JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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protected:
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virtual ~HTMLStyleElement();
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Maybe<SheetInfo> GetStyleSheetInfo() final;
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/**
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* Common method to call from the various mutation observer methods.
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* aContent is a content node that's either the one that changed or its
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* parent; we should only respond to the change if aContent is non-anonymous.
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*/
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void ContentChanged(nsIContent* aContent);
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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