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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/ARIA/Roles.h>
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#include <LibWeb/HTML/HTMLElement.h>
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namespace Web::HTML {
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class HTMLHeadingElement final : public HTMLElement {
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WEB_PLATFORM_OBJECT(HTMLHeadingElement, HTMLElement);
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GC_DECLARE_ALLOCATOR(HTMLHeadingElement);
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public:
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virtual ~HTMLHeadingElement() override;
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virtual bool is_presentational_hint(FlyString const&) const override;
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virtual void apply_presentational_hints(GC::Ref<CSS::CascadedProperties>) const override;
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// https://www.w3.org/TR/html-aria/#el-h1-h6
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virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::heading; }
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virtual Optional<String> aria_level() const override
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{
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if (auto const attr = get_attribute(ARIA::AttributeNames::aria_level); attr.has_value())
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return attr;
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// Implicit defaults to the number in the element's tag name.
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return MUST(local_name().to_string().substring_from_byte_offset(1));
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}
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private:
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HTMLHeadingElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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};
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}
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