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LibWeb: Cache pointer to UsedValues for each FlexItem

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This avoids expensive repeated LayoutState hash lookups.
This commit is contained in:
Andreas Kling 2024-01-23 21:11:02 +01:00
parent 4e6de47f93
commit 7fedf806c2
2 changed files with 74 additions and 74 deletions
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14
Userland/Libraries/LibWeb/Layout/FlexFormattingContext.h
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@ -53,6 +53,7 @@ private:
struct FlexItem {
JS::NonnullGCPtr<Box> box;
LayoutState::UsedValues& used_values;
Optional<CSS::FlexBasis> used_flex_basis {};
bool used_flex_basis_is_definite { false };
CSSPixels flex_base_size { 0 };
@ -117,10 +118,15 @@ private:
CSSPixels main_gap() const;
CSSPixels cross_gap() const;
bool has_definite_main_size(Box const&) const;
bool has_definite_cross_size(Box const&) const;
CSSPixels inner_main_size(Box const&) const;
CSSPixels inner_cross_size(Box const&) const;
[[nodiscard]] bool has_definite_main_size(LayoutState::UsedValues const&) const;
[[nodiscard]] bool has_definite_cross_size(LayoutState::UsedValues const&) const;
[[nodiscard]] bool has_definite_main_size(FlexItem const& item) const { return has_definite_main_size(item.used_values); }
[[nodiscard]] bool has_definite_cross_size(FlexItem const& item) const { return has_definite_cross_size(item.used_values); }
[[nodiscard]] CSSPixels inner_main_size(LayoutState::UsedValues const&) const;
[[nodiscard]] CSSPixels inner_cross_size(LayoutState::UsedValues const&) const;
[[nodiscard]] CSSPixels inner_main_size(FlexItem const& item) const { return inner_main_size(item.used_values); }
[[nodiscard]] CSSPixels inner_cross_size(FlexItem const& item) const { return inner_cross_size(item.used_values); }
bool has_main_min_size(Box const&) const;
bool has_cross_min_size(Box const&) const;
CSSPixels specified_main_max_size(Box const&) const;