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69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2021, 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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#include <LibWeb/Bindings/HTMLBRElementPrototype.h>
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#include <LibWeb/CSS/CascadedProperties.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
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#include <LibWeb/CSS/StyleValues/KeywordStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/HTMLBRElement.h>
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#include <LibWeb/Layout/BreakNode.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLBRElement);
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HTMLBRElement::HTMLBRElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLBRElement::~HTMLBRElement() = default;
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void HTMLBRElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLBRElement);
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Base::initialize(realm);
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}
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GC::Ptr<Layout::Node> HTMLBRElement::create_layout_node(GC::Ref<CSS::ComputedProperties> style)
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{
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return heap().allocate<Layout::BreakNode>(document(), *this, move(style));
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}
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bool HTMLBRElement::is_presentational_hint(FlyString const& name) const
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{
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if (Base::is_presentational_hint(name))
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return true;
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return name == HTML::AttributeNames::clear;
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}
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void HTMLBRElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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Base::apply_presentational_hints(cascaded_properties);
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for_each_attribute([&](auto& name, auto& value) {
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// https://html.spec.whatwg.org/multipage/rendering.html#phrasing-content-3
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if (name == HTML::AttributeNames::clear) {
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if (value.equals_ignoring_ascii_case("left"sv))
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Clear, CSS::KeywordStyleValue::create(CSS::Keyword::Left));
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else if (value.equals_ignoring_ascii_case("right"sv))
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Clear, CSS::KeywordStyleValue::create(CSS::Keyword::Right));
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else if (value.equals_ignoring_ascii_case("all"sv) || value.equals_ignoring_ascii_case("both"sv))
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Clear, CSS::KeywordStyleValue::create(CSS::Keyword::Both));
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}
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});
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}
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void HTMLBRElement::adjust_computed_style(CSS::ComputedProperties& style)
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{
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// https://drafts.csswg.org/css-display-3/#unbox
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if (style.display().is_contents())
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style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
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}
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}
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