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https://github.com/LadybirdBrowser/ladybird.git
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c1953f93c7
Move HTMLStyleElement's dynamic update handling, media/type attribute handling, and script-blocking predicate skeleton into StyleElementBase so style elements can share that plumbing.
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021, the SerenityOS developers.
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* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.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/HTMLStyleElement.h>
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#include <LibWeb/HTML/HTMLStyleElement.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLStyleElement);
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HTMLStyleElement::HTMLStyleElement(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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HTMLStyleElement::~HTMLStyleElement() = default;
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void HTMLStyleElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLStyleElement);
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Base::initialize(realm);
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}
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void HTMLStyleElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visit_style_element_edges(visitor);
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}
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void HTMLStyleElement::children_changed(ChildrenChangedMetadata const& metadata)
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{
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Base::children_changed(metadata);
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update_a_style_block_for_dynamic_change();
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}
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void HTMLStyleElement::inserted()
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{
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Base::inserted();
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update_a_style_block_for_dynamic_change();
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}
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void HTMLStyleElement::removed_from(IsSubtreeRoot is_subtree_root, Node* old_ancestor, Node& old_root)
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{
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Base::removed_from(is_subtree_root, old_ancestor, old_root);
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update_a_style_block_for_dynamic_change();
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}
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void HTMLStyleElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
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{
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Base::attribute_changed(name, old_value, value, namespace_);
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style_element_attribute_changed(name, value);
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}
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// https://html.spec.whatwg.org/multipage/semantics.html#dom-style-disabled
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bool HTMLStyleElement::disabled()
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{
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// 1. If this does not have an associated CSS style sheet, return false.
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if (!sheet())
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return false;
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// 2. If this's associated CSS style sheet's disabled flag is set, return true.
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if (sheet()->disabled())
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return true;
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// 3. Return false.
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return false;
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}
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// https://html.spec.whatwg.org/multipage/semantics.html#dom-style-disabled
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void HTMLStyleElement::set_disabled(bool disabled)
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{
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// 1. If this does not have an associated CSS style sheet, return.
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if (!sheet())
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return;
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// 2. If the given value is true, set this's associated CSS style sheet's disabled flag.
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// Otherwise, unset this's associated CSS style sheet's disabled flag.
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sheet()->set_disabled(disabled);
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}
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// https://html.spec.whatwg.org/multipage/semantics.html#contributes-a-script-blocking-style-sheet
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bool HTMLStyleElement::contributes_a_script_blocking_style_sheet() const
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{
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return style_element_contributes_a_script_blocking_style_sheet();
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}
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}
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