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LibWeb: Add style sheets to the shadow root if applicable

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If a style element belongs to a shadow tree, its CSSStyleSheet is now
added to the corresponding ShadowRoot instead of the document.

Co-authored-by: Simon Wanner <simon+git@skyrising.xyz>
This commit is contained in:
Aliaksandr Kalenik 2023-03-19 15:13:45 +01:00 • committed by Andreas Kling
parent 8ce8697a66
commit c6e69d501f
7 changed files with 45 additions and 13 deletions
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5
Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
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@ -14,6 +14,7 @@
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/ShadowRoot.h>
#include <LibWeb/Fetch/Fetching/Fetching.h>
#include <LibWeb/Fetch/Infrastructure/FetchAlgorithms.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
@ -112,7 +113,7 @@ void HTMLLinkElement::attribute_changed(FlyString const& name, Optional<String>
// FIXME: Handle alternate stylesheets properly
if (m_relationship & Relationship::Stylesheet && !(m_relationship & Relationship::Alternate)) {
if (name == HTML::AttributeNames::disabled && m_loaded_style_sheet)
document().style_sheets().remove_sheet(*m_loaded_style_sheet);
document_or_shadow_root_style_sheets().remove_sheet(*m_loaded_style_sheet);
// https://html.spec.whatwg.org/multipage/links.html#link-type-stylesheet:fetch-and-process-the-linked-resource
// The appropriate times to fetch and process this type of link are:
@ -311,7 +312,7 @@ void HTMLLinkElement::process_stylesheet_resource(bool success, Fetch::Infrastru
// 3. If el has an associated CSS style sheet, remove the CSS style sheet.
if (m_loaded_style_sheet) {
document().style_sheets().remove_sheet(*m_loaded_style_sheet);
document_or_shadow_root_style_sheets().remove_sheet(*m_loaded_style_sheet);
m_loaded_style_sheet = nullptr;
}