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LibWeb: Implement CSSStyleDeclaration.parentRule
This readonly attribute returns the containing CSS rule, or null (in the case of element inline style).
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parent
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commit
a12d28fd30
Notes:
sideshowbarker
2024-07-18 03:23:00 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/LadybirdBrowser/ladybird/commit/a12d28fd30 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/168
@ -0,0 +1,4 @@
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spanRule: [object CSSStyleRule] ~ span { color: rgb(128, 0, 128); }
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spanRule.style: [object CSSStyleDeclaration] ~ span { color: rgb(128, 0, 128); }
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spanRule.style.parentRule: [object CSSStyleRule] ~ span { color: rgb(128, 0, 128); }
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spanRule.style.parentRule === spanRule: true
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@ -0,0 +1,15 @@
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<style>
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span {
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color: purple;
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}
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</style>
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<script src="../include.js"></script>
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<script>
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test(() => {
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const spanRule = document.styleSheets[0].cssRules[0];
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println("spanRule: " + spanRule + " ~ " + spanRule.cssText);
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println("spanRule.style: " + spanRule.style + " ~ " + spanRule.cssText);
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println("spanRule.style.parentRule: " + spanRule.style.parentRule + " ~ " + spanRule.cssText);
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println("spanRule.style.parentRule === spanRule: " + (spanRule.style.parentRule === spanRule));
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});
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</script>
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@ -13,11 +13,19 @@ namespace Web::CSS {
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JS_DEFINE_ALLOCATOR(CSSKeyframeRule);
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JS::NonnullGCPtr<CSSKeyframeRule> CSSKeyframeRule::create(JS::Realm& realm, CSS::Percentage key, Web::CSS::CSSStyleDeclaration& declarations)
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JS::NonnullGCPtr<CSSKeyframeRule> CSSKeyframeRule::create(JS::Realm& realm, CSS::Percentage key, Web::CSS::PropertyOwningCSSStyleDeclaration& declarations)
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{
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return realm.heap().allocate<CSSKeyframeRule>(realm, realm, key, declarations);
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}
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CSSKeyframeRule::CSSKeyframeRule(JS::Realm& realm, CSS::Percentage key, PropertyOwningCSSStyleDeclaration& declarations)
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: CSSRule(realm)
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, m_key(key)
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, m_declarations(declarations)
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{
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m_declarations->set_parent_rule(*this);
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}
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void CSSKeyframeRule::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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@ -21,7 +21,7 @@ class CSSKeyframeRule final : public CSSRule {
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JS_DECLARE_ALLOCATOR(CSSKeyframeRule);
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public:
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static JS::NonnullGCPtr<CSSKeyframeRule> create(JS::Realm&, CSS::Percentage key, CSSStyleDeclaration&);
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static JS::NonnullGCPtr<CSSKeyframeRule> create(JS::Realm&, CSS::Percentage key, PropertyOwningCSSStyleDeclaration&);
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virtual ~CSSKeyframeRule() = default;
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@ -41,19 +41,14 @@ public:
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}
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private:
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CSSKeyframeRule(JS::Realm& realm, CSS::Percentage key, CSSStyleDeclaration& declarations)
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: CSSRule(realm)
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, m_key(key)
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, m_declarations(declarations)
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{
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}
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CSSKeyframeRule(JS::Realm&, CSS::Percentage, PropertyOwningCSSStyleDeclaration&);
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virtual void visit_edges(Visitor&) override;
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virtual void initialize(JS::Realm&) override;
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virtual String serialized() const override;
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CSS::Percentage m_key;
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JS::NonnullGCPtr<CSSStyleDeclaration> m_declarations;
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JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> m_declarations;
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};
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template<>
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@ -31,6 +31,11 @@ void CSSStyleDeclaration::initialize(JS::Realm& realm)
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSStyleDeclaration);
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}
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JS::GCPtr<CSSRule> CSSStyleDeclaration::parent_rule() const
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{
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return nullptr;
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}
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JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> PropertyOwningCSSStyleDeclaration::create(JS::Realm& realm, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties)
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{
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return realm.heap().allocate<PropertyOwningCSSStyleDeclaration>(realm, realm, move(properties), move(custom_properties));
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@ -46,6 +51,7 @@ PropertyOwningCSSStyleDeclaration::PropertyOwningCSSStyleDeclaration(JS::Realm&
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void PropertyOwningCSSStyleDeclaration::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_parent_rule);
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for (auto& property : m_properties) {
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if (property.value->is_image())
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property.value->as_image().visit_edges(visitor);
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@ -482,4 +488,14 @@ WebIDL::ExceptionOr<void> ElementInlineCSSStyleDeclaration::set_css_text(StringV
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return {};
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}
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JS::GCPtr<CSSRule> PropertyOwningCSSStyleDeclaration::parent_rule() const
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{
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return m_parent_rule;
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}
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void PropertyOwningCSSStyleDeclaration::set_parent_rule(JS::NonnullGCPtr<CSSRule> rule)
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{
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m_parent_rule = rule;
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}
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}
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@ -45,6 +45,8 @@ public:
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virtual JS::ThrowCompletionOr<JS::Value> internal_get(JS::PropertyKey const&, JS::Value receiver, JS::CacheablePropertyMetadata*, PropertyLookupPhase) const override;
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virtual JS::ThrowCompletionOr<bool> internal_set(JS::PropertyKey const&, JS::Value value, JS::Value receiver, JS::CacheablePropertyMetadata*) override;
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virtual JS::GCPtr<CSSRule> parent_rule() const;
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protected:
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explicit CSSStyleDeclaration(JS::Realm&);
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};
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@ -77,6 +79,9 @@ public:
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virtual String serialized() const final override;
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virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
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virtual JS::GCPtr<CSSRule> parent_rule() const override;
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void set_parent_rule(JS::NonnullGCPtr<CSSRule>);
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protected:
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PropertyOwningCSSStyleDeclaration(JS::Realm&, Vector<StyleProperty>, HashMap<FlyString, StyleProperty>);
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@ -90,6 +95,7 @@ private:
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virtual void visit_edges(Cell::Visitor&) override;
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JS::GCPtr<CSSRule> m_parent_rule;
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Vector<StyleProperty> m_properties;
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HashMap<FlyString, StyleProperty> m_custom_properties;
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};
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@ -13,7 +13,7 @@ interface CSSStyleDeclaration {
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[CEReactions] undefined setProperty(CSSOMString property, [LegacyNullToEmptyString] CSSOMString value, optional [LegacyNullToEmptyString] CSSOMString priority = "");
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[CEReactions] CSSOMString removeProperty(CSSOMString property);
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[FIXME] readonly attribute CSSRule? parentRule;
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readonly attribute CSSRule? parentRule;
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[FIXME, CEReactions, LegacyNullToEmptyString] attribute CSSOMString cssFloat;
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};
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@ -25,6 +25,7 @@ CSSStyleRule::CSSStyleRule(JS::Realm& realm, Vector<NonnullRefPtr<Selector>>&& s
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, m_selectors(move(selectors))
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, m_declaration(declaration)
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{
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m_declaration->set_parent_rule(*this);
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}
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void CSSStyleRule::initialize(JS::Realm& realm)
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