:-moz-locale-dir shouldn't be a revalidation selector.

Fixes Gecko bug 1374019 <https://bugzilla.mozilla.org/show_bug.cgi?id=1374019>
This commit is contained in:
Boris Zbarsky 2017-06-17 23:01:02 -04:00
parent c5433277b4
commit eddca4d6f6

View file

@ -176,16 +176,29 @@ impl NonTSPseudoClass {
/// Returns true if the given pseudoclass should trigger style sharing cache revalidation.
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() &&
!matches!(*self,
// :-moz-any is handled by the revalidation visitor walking
// the things inside it; it does not need to cause
// revalidation on its own.
NonTSPseudoClass::MozAny(_) |
// :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.
NonTSPseudoClass::Dir(_) |
// :-moz-is-html only depends on the state of the document and
// the namespace of the element; the former is invariant
// across all the elements involved and the latter is already
// checked for by our caching precondtions.
NonTSPseudoClass::MozIsHTML |
NonTSPseudoClass::MozPlaceholder)
// :-moz-placeholder is parsed but never matches.
NonTSPseudoClass::MozPlaceholder |
// :-moz-locale-dir depends only on the state of the document,
// which is invariant across all the elements involved in a
// given style cache.
NonTSPseudoClass::MozLocaleDir(_)
)
}
/// Convert NonTSPseudoClass to Gecko's CSSPseudoClassType.