Emilio Cobos Álvarez
1a47f03236
Preliminary patch. xml:lang is a mapped attribute on all elements, so this function would need to take a namespace, or something else. For now I think we can just keep this but with a clearer name. Remove the NS_IMETHOD gunk while at it. Differential Revision: https://phabricator.services.mozilla.com/D322653
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/* 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_HTMLHeadingElement_h
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#define mozilla_dom_HTMLHeadingElement_h
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#include <cstdint>
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#include "nsGenericHTMLElement.h"
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namespace mozilla::dom {
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class HTMLHeadingElement final : public nsGenericHTMLElement {
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public:
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explicit HTMLHeadingElement(
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already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo)
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: nsGenericHTMLElement(std::move(aNodeInfo)) {
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MOZ_ASSERT(IsHTMLHeadingElement());
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UpdateLevel(false);
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}
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nsresult BindToTree(BindContext& aContext, nsINode& aParent) override {
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nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
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UpdateLevel(true);
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return rv;
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}
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bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) override;
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bool IsNoNamespaceAttrMapped(const nsAtom* aAttribute) const override;
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nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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void SetAlign(const nsAString& aAlign, ErrorResult& aError) {
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return SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
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}
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void GetAlign(DOMString& aAlign) const {
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return GetHTMLAttr(nsGkAtoms::align, aAlign);
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}
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// https://html.spec.whatwg.org/#get-an-element's-computed-heading-level
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uint32_t ComputedLevel() const;
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// https://html.spec.whatwg.org/#get-an-element's-computed-heading-offset
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uint32_t GetComputedHeadingOffset(uint32_t aMax) const;
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void UpdateLevel(bool aNotify);
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NS_IMPL_FROMNODE_HELPER(HTMLHeadingElement, IsHTMLHeadingElement())
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protected:
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virtual ~HTMLHeadingElement();
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JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
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private:
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static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_HTMLHeadingElement_h
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