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e1f6a170d5
Previously, we would only invalidate style when setting the `media` IDL attribute; changing the attribute via `setAttribute()` and `removeAttribute()` had no immediate effect.
106 lines
3.2 KiB
C++
106 lines
3.2 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/HTMLStyleElementPrototype.h>
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#include <LibWeb/CSS/StyleComputer.h>
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#include <LibWeb/DOM/Document.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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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLStyleElement);
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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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m_style_element_utils.visit_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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m_style_element_utils.update_a_style_block(*this);
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}
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void HTMLStyleElement::inserted()
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{
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m_style_element_utils.update_a_style_block(*this);
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Base::inserted();
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}
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void HTMLStyleElement::removed_from(Node* old_parent, Node& old_root)
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{
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m_style_element_utils.update_a_style_block(*this);
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Base::removed_from(old_parent, old_root);
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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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if (name == HTML::AttributeNames::media) {
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if (auto* sheet = m_style_element_utils.sheet())
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sheet->set_media(value.value_or({}));
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}
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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://www.w3.org/TR/cssom/#dom-linkstyle-sheet
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CSS::CSSStyleSheet* HTMLStyleElement::sheet()
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{
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// The sheet attribute must return the associated CSS style sheet for the node or null if there is no associated CSS style sheet.
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return m_style_element_utils.sheet();
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}
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// https://www.w3.org/TR/cssom/#dom-linkstyle-sheet
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CSS::CSSStyleSheet const* HTMLStyleElement::sheet() const
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{
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// The sheet attribute must return the associated CSS style sheet for the node or null if there is no associated CSS style sheet.
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return m_style_element_utils.sheet();
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}
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}
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