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style: Don't share style for cousins that are using Container Queries

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Differential Revision: https://phabricator.services.mozilla.com/D164224
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Ziran Sun 2022-12-09 10:15:31 +00:00 • committed by Martin Robinson
parent 6a6658801f
commit a478c1bf90
1 changed files with 8 additions and 2 deletions
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10
components/style/data.rs
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@ -476,10 +476,16 @@ impl ElementData {
/// happens later in the styling pipeline. The former gives us the stronger guarantees
/// we need for style sharing, the latter does not.
pub fn safe_for_cousin_sharing(&self) -> bool {
!self.flags.intersects(
if self.flags.intersects(
ElementDataFlags::TRAVERSED_WITHOUT_STYLING |
ElementDataFlags::PRIMARY_STYLE_REUSED_VIA_RULE_NODE,
)
) {
return false;
}
if !self.styles.primary().get_box().clone_container_type().is_normal() {
return false;
}
true
}
/// Measures memory usage.