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https://github.com/LadybirdBrowser/ladybird.git
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a6dfc74e93
Before this change, we were going through the chain of base classes for each IDL interface object and having them set the prototype to their prototype. Instead of doing that, reorder things so that we set the right prototype immediately in Foo::initialize(), and then don't bother in all the base class overrides. This knocks off a ~1% profile item on Speedometer 3.
83 lines
4.5 KiB
C++
83 lines
4.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@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/HTMLHRElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
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#include <LibWeb/CSS/StyleValues/CSSKeywordValue.h>
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#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
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#include <LibWeb/HTML/HTMLHRElement.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLHRElement);
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HTMLHRElement::HTMLHRElement(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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HTMLHRElement::~HTMLHRElement() = default;
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void HTMLHRElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLHRElement);
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Base::initialize(realm);
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}
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bool HTMLHRElement::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 first_is_one_of(name, HTML::AttributeNames::align, HTML::AttributeNames::color, HTML::AttributeNames::noshade, HTML::AttributeNames::width);
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}
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void HTMLHRElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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for_each_attribute([&](auto& name, auto& value) {
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// https://html.spec.whatwg.org/multipage/rendering.html#the-hr-element-2
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if (name == HTML::AttributeNames::color || name == HTML::AttributeNames::noshade) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::BorderTopStyle, CSS::CSSKeywordValue::create(CSS::Keyword::Solid));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::BorderRightStyle, CSS::CSSKeywordValue::create(CSS::Keyword::Solid));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::BorderBottomStyle, CSS::CSSKeywordValue::create(CSS::Keyword::Solid));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::BorderLeftStyle, CSS::CSSKeywordValue::create(CSS::Keyword::Solid));
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}
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if (name == HTML::AttributeNames::align) {
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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::MarginLeft, CSS::LengthStyleValue::create(CSS::Length::make_px(0)));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::MarginRight, CSS::CSSKeywordValue::create(CSS::Keyword::Auto));
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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::MarginLeft, CSS::CSSKeywordValue::create(CSS::Keyword::Auto));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::MarginRight, CSS::LengthStyleValue::create(CSS::Length::make_px(0)));
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} else if (value.equals_ignoring_ascii_case("center"sv)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::MarginLeft, CSS::CSSKeywordValue::create(CSS::Keyword::Auto));
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::MarginRight, CSS::CSSKeywordValue::create(CSS::Keyword::Auto));
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}
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}
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// https://html.spec.whatwg.org/multipage/rendering.html#the-hr-element-2:attr-hr-color-3
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// When an hr element has a color attribute, its value is expected to be parsed using the rules for parsing a legacy color value, and if that does not return failure,
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// the user agent is expected to treat the attribute as a presentational hint setting the element's 'color' property to the resulting color.
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if (name == HTML::AttributeNames::color) {
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if (auto parsed_value = parse_legacy_color_value(value); parsed_value.has_value()) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Color, CSS::CSSColorValue::create_from_color(*parsed_value, CSS::ColorSyntax::Legacy));
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}
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}
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// https://html.spec.whatwg.org/multipage/rendering.html#the-hr-element-2:maps-to-the-dimension-property
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if (name == HTML::AttributeNames::width) {
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if (auto parsed_value = parse_dimension_value(value)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Width, *parsed_value);
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}
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}
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});
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}
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}
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