gecko-dev/dom/html/HTMLHeadingElement.h

76 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_HTMLHeadingElement_h
#define mozilla_dom_HTMLHeadingElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
namespace mozilla {
namespace dom {
class HTMLHeadingElement final : public nsGenericHTMLElement {
public:
explicit HTMLHeadingElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {
MOZ_ASSERT(IsHTMLHeadingElement());
}
bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
void SetAlign(const nsAString& aAlign, ErrorResult& aError) {
return SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
}
void GetAlign(DOMString& aAlign) const {
return GetHTMLAttr(nsGkAtoms::align, aAlign);
}
int32_t AccessibilityLevel() const {
nsAtom* name = NodeInfo()->NameAtom();
if (name == nsGkAtoms::h1) {
return 1;
}
if (name == nsGkAtoms::h2) {
return 2;
}
if (name == nsGkAtoms::h3) {
return 3;
}
if (name == nsGkAtoms::h4) {
return 4;
}
if (name == nsGkAtoms::h5) {
return 5;
}
MOZ_ASSERT(name == nsGkAtoms::h6);
return 6;
}
NS_IMPL_FROMNODE_HELPER(HTMLHeadingElement, IsHTMLHeadingElement())
protected:
virtual ~HTMLHeadingElement();
JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
private:
static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
MappedDeclarations&);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLHeadingElement_h