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Don't require style sharing cache invalidation for :dir

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This commit is contained in:
Boris Zbarsky 2017-05-15 14:31:53 -04:00
parent 0388e11db2
commit 993cb6eb41
1 changed files with 5 additions and 1 deletions
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6
components/style/gecko/selector_parser.rs
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@ -159,8 +159,12 @@ impl NonTSPseudoClass {
/// Returns true if the given pseudoclass should trigger style sharing cache revalidation. /// Returns true if the given pseudoclass should trigger style sharing cache revalidation.
pub fn needs_cache_revalidation(&self) -> bool { pub fn needs_cache_revalidation(&self) -> bool {
// :dir() depends on state only, but doesn't use state_flag because its
// semantics don't quite match. Nevertheless, it doesn't need cache
// revalidation, because we already compare states for elements and
// candidates.
self.state_flag().is_empty() && self.state_flag().is_empty() &&
!matches!(*self, NonTSPseudoClass::MozAny(_)) !matches!(*self, NonTSPseudoClass::MozAny(_) | NonTSPseudoClass::Dir(_))
} }
/// Convert NonTSPseudoClass to Gecko's CSSPseudoClassType. /// Convert NonTSPseudoClass to Gecko's CSSPseudoClassType.