Coverage Report

Created: 2026-11-13 08:07

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/serenity/Userland/Libraries/LibWeb/HTML/HTMLBodyElement.cpp
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/*
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 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.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/HTMLBodyElementPrototype.h>
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#include <LibWeb/CSS/StyleProperties.h>
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#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
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#include <LibWeb/CSS/StyleValues/ImageStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/HTMLBodyElement.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/Layout/Node.h>
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#include <LibWeb/Painting/Paintable.h>
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namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(HTMLBodyElement);
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HTMLBodyElement::HTMLBodyElement(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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HTMLBodyElement::~HTMLBodyElement() = default;
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void HTMLBodyElement::visit_edges(Visitor& visitor)
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{
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    Base::visit_edges(visitor);
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    if (m_background_style_value)
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        m_background_style_value->visit_edges(visitor);
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}
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void HTMLBodyElement::initialize(JS::Realm& realm)
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{
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    Base::initialize(realm);
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    WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLBodyElement);
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}
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void HTMLBodyElement::apply_presentational_hints(CSS::StyleProperties& style) const
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{
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    for_each_attribute([&](auto& name, auto& value) {
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        if (name.equals_ignoring_ascii_case("bgcolor"sv)) {
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            // https://html.spec.whatwg.org/multipage/rendering.html#the-page:rules-for-parsing-a-legacy-colour-value
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            auto color = parse_legacy_color_value(value);
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            if (color.has_value())
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                style.set_property(CSS::PropertyID::BackgroundColor, CSS::CSSColorValue::create_from_color(color.value()));
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        } else if (name.equals_ignoring_ascii_case("text"sv)) {
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            // https://html.spec.whatwg.org/multipage/rendering.html#the-page:rules-for-parsing-a-legacy-colour-value-2
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            auto color = parse_legacy_color_value(value);
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            if (color.has_value())
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                style.set_property(CSS::PropertyID::Color, CSS::CSSColorValue::create_from_color(color.value()));
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        } else if (name.equals_ignoring_ascii_case("background"sv)) {
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            VERIFY(m_background_style_value);
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            style.set_property(CSS::PropertyID::BackgroundImage, *m_background_style_value);
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        }
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    });
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}
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void HTMLBodyElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value)
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{
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    HTMLElement::attribute_changed(name, old_value, value);
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    if (name.equals_ignoring_ascii_case("link"sv)) {
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        // https://html.spec.whatwg.org/multipage/rendering.html#the-page:rules-for-parsing-a-legacy-colour-value-3
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        auto color = parse_legacy_color_value(value.value_or(String {}));
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        if (color.has_value())
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            document().set_normal_link_color(color.value());
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    } else if (name.equals_ignoring_ascii_case("alink"sv)) {
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        // https://html.spec.whatwg.org/multipage/rendering.html#the-page:rules-for-parsing-a-legacy-colour-value-5
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        auto color = parse_legacy_color_value(value.value_or(String {}));
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        if (color.has_value())
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            document().set_active_link_color(color.value());
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    } else if (name.equals_ignoring_ascii_case("vlink"sv)) {
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        // https://html.spec.whatwg.org/multipage/rendering.html#the-page:rules-for-parsing-a-legacy-colour-value-4
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        auto color = parse_legacy_color_value(value.value_or(String {}));
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        if (color.has_value())
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            document().set_visited_link_color(color.value());
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    } else if (name.equals_ignoring_ascii_case("background"sv)) {
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        m_background_style_value = CSS::ImageStyleValue::create(document().parse_url(value.value_or(String {})));
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        m_background_style_value->on_animate = [this] {
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            if (paintable()) {
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                paintable()->set_needs_display();
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            }
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        };
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    }
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#undef __ENUMERATE
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#define __ENUMERATE(attribute_name, event_name)                     \
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    if (name == HTML::AttributeNames::attribute_name) {             \
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        element_event_handler_attribute_changed(event_name, value); \
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    }
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    ENUMERATE_WINDOW_EVENT_HANDLERS(__ENUMERATE)
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#undef __ENUMERATE
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}
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JS::GCPtr<DOM::EventTarget> HTMLBodyElement::global_event_handlers_to_event_target(FlyString const& event_name)
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{
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    // NOTE: This is a little weird, but IIUC document.body.onload actually refers to window.onload
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    // NOTE: document.body can return either a HTMLBodyElement or HTMLFrameSetElement, so both these elements must support this mapping.
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    if (DOM::is_window_reflecting_body_element_event_handler(event_name))
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        return document().window();
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    return *this;
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}
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JS::GCPtr<DOM::EventTarget> HTMLBodyElement::window_event_handlers_to_event_target()
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{
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    // All WindowEventHandlers on HTMLFrameSetElement (e.g. document.body.onrejectionhandled) are mapped to window.on{event}.
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    // NOTE: document.body can return either a HTMLBodyElement or HTMLFrameSetElement, so both these elements must support this mapping.
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    return document().window();
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}
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}