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LibWeb: Implement the HTMLLinkElement.sheet attribute

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This returns the link element's associated style sheet.
This commit is contained in:
Tim Ledbetter 2025-03-15 15:39:32 +01:00 • committed by Alexander Kalenik
commit 1821896ecf
Notes: github-actions[bot] 2025-03-17 13:48:19 +00:00
5 changed files with 26 additions and 1 deletions
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6
Libraries/LibWeb/HTML/HTMLLinkElement.cpp
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@ -138,6 +138,12 @@ String HTMLLinkElement::media() const
return attribute(HTML::AttributeNames::media).value_or(String {}); return attribute(HTML::AttributeNames::media).value_or(String {});
} }
// https://drafts.csswg.org/cssom/#dom-linkstyle-sheet
GC::Ptr<CSS::CSSStyleSheet> HTMLLinkElement::sheet() const
{
return m_loaded_style_sheet;
}
bool HTMLLinkElement::has_loaded_icon() const bool HTMLLinkElement::has_loaded_icon() const
{ {
return m_relationship & Relationship::Icon && resource() && resource()->is_loaded() && resource()->has_encoded_data(); return m_relationship & Relationship::Icon && resource() && resource()->is_loaded() && resource()->has_encoded_data();

2
Libraries/LibWeb/HTML/HTMLLinkElement.h
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@ -48,6 +48,8 @@ public:
void set_media(String); void set_media(String);
String media() const; String media() const;
GC::Ptr<CSS::CSSStyleSheet> sheet() const;
private: private:
HTMLLinkElement(DOM::Document&, DOM::QualifiedName); HTMLLinkElement(DOM::Document&, DOM::QualifiedName);

2
Libraries/LibWeb/HTML/HTMLLinkElement.idl
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@ -60,4 +60,4 @@ interface HTMLLinkElement : HTMLElement {
[CEReactions, Reflect] attribute DOMString target; [CEReactions, Reflect] attribute DOMString target;
}; };
// FIXME: HTMLLinkElement includes LinkStyle; HTMLLinkElement includes LinkStyle;

2
Tests/LibWeb/Text/expected/css/HTMLLinkElement-sheet.txt Normal file
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@ -0,0 +1,2 @@
sheet property initial value: null
Sheet property after stylesheet loaded: [object CSSStyleSheet]

15
Tests/LibWeb/Text/input/css/HTMLLinkElement-sheet.html Normal file
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@ -0,0 +1,15 @@
<!DOCTYPE html>
<script src="../include.js"></script>
<script>
asyncTest(done => {
const link = document.createElement("link");
link.rel = "stylesheet";
document.head.appendChild(link);
println(`sheet property initial value: ${link.sheet}`);
link.href = "../valid.css";
link.onload = () => {
println(`Sheet property after stylesheet loaded: ${link.sheet}`);
done();
}
});
</script>