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LibWeb: Load fonts from style sheet once when sheet is added
Previously, we were running the "load fonts if needed" machine at the start of every style computation. That was a lot of unnecessary work, especially on sites with lots of style rules, since we had to traverse every style sheet to see if any @font-face rules needed loading. With this patch, we now load fonts once per sheet, right after adding it to a document's style sheet list.
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3 changed files with 19 additions and 20 deletions
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@ -74,6 +74,8 @@ public:
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void did_load_font(FlyString const& family_name);
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void load_fonts_from_sheet(CSSStyleSheet const&);
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private:
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void compute_cascaded_values(StyleProperties&, DOM::Element&, Optional<CSS::Selector::PseudoElement>) const;
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void compute_font(StyleProperties&, DOM::Element const*, Optional<CSS::Selector::PseudoElement>) const;
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@ -113,8 +115,6 @@ private:
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};
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OwnPtr<RuleCache> m_rule_cache;
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void load_fonts_if_needed() const;
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class FontLoader;
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HashMap<String, NonnullOwnPtr<FontLoader>> m_loaded_fonts;
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};
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