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LibWeb: Add fast_is<T> for HTML::HTMLAnchorElement

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We were spending 20% of style computation time on the HTML spec on
deciding whether DOM nodes were HTML anchor (a) tags or not.
This commit is contained in:
Andreas Kling 2022-03-02 15:14:38 +01:00
parent 65b38f2623
commit ad9f3f7ae6
2 changed files with 8 additions and 0 deletions
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1
Userland/Libraries/LibWeb/DOM/Node.h
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@ -84,6 +84,7 @@ public:
virtual bool is_editable() const; virtual bool is_editable() const;
virtual bool is_html_html_element() const { return false; } virtual bool is_html_html_element() const { return false; }
virtual bool is_html_anchor_element() const { return false; }
virtual bool is_html_template_element() const { return false; } virtual bool is_html_template_element() const { return false; }
virtual bool is_browsing_context_container() const { return false; } virtual bool is_browsing_context_container() const { return false; }

7
Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h
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@ -24,6 +24,8 @@ public:
virtual bool is_focusable() const override { return has_attribute(HTML::AttributeNames::href); } virtual bool is_focusable() const override { return has_attribute(HTML::AttributeNames::href); }
virtual bool is_html_anchor_element() const override { return true; }
private: private:
// ^DOM::Element // ^DOM::Element
virtual void parse_attribute(FlyString const& name, String const& value) override; virtual void parse_attribute(FlyString const& name, String const& value) override;
@ -35,3 +37,8 @@ private:
}; };
} }
namespace Web::DOM {
template<>
inline bool Node::fast_is<HTML::HTMLAnchorElement>() const { return is_html_anchor_element(); }
}