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LibWeb: Reduce HashMap thrashing during custom property cascade
Build the final custom property map right away instead of first making a temporary pointer-only map. We also precompute the final needed capacity for the map to avoid incremental rehashing.
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3 changed files with 23 additions and 25 deletions
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@ -113,13 +113,8 @@ public:
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const ShadowRoot* shadow_root() const { return m_shadow_root; }
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void set_shadow_root(RefPtr<ShadowRoot>);
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void add_custom_property(String custom_property_name, CSS::StyleProperty style_property)
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{
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m_custom_properties.set(move(custom_property_name), move(style_property));
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}
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void set_custom_properties(HashMap<FlyString, CSS::StyleProperty> custom_properties) { m_custom_properties = move(custom_properties); }
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HashMap<FlyString, CSS::StyleProperty> const& custom_properties() const { return m_custom_properties; }
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HashMap<FlyString, CSS::StyleProperty>& custom_properties() { return m_custom_properties; }
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void queue_an_element_task(HTML::Task::Source, Function<void()>);
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