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LibWeb: Implement CSSRule.parentRule and .parentStyleSheet
Both of these are supposed to be set when the CSSRule is created. The spec is silent on setting it when a CSSRule is added to a parent. So, this is a bit ad-hoc. The parent rule gets set whenever a rule is added to a new parent. The parent stylesheet gets set whenever the rule or one of its ancestors is added to a different stylesheet. There may be some nuance there that I'm missing, but I'm sure we'll find out quickly once we have WPT running!
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7 changed files with 65 additions and 11 deletions
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@ -26,11 +26,13 @@ public:
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CSSRuleList const& css_rules() const { return m_rules; }
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CSSRuleList& css_rules() { return m_rules; }
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NonnullRefPtr<CSSRuleList> css_rules_for_bindings() { return m_rules; }
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size_t insert_rule(StringView rule, size_t index = 0);
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void delete_rule(size_t index);
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DOM::ExceptionOr<u32> insert_rule(StringView rule, u32 index = 0);
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DOM::ExceptionOr<void> delete_rule(u32 index);
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virtual void for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const;
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virtual void set_parent_style_sheet(CSSStyleSheet*) override;
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protected:
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explicit CSSGroupingRule(NonnullRefPtrVector<CSSRule>&&);
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