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style: Look at the snapshots when invalidating due to stylesheet changes.

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Otherwise removal of stylesheets may get out of sync with other DOM changes, and
we may fail to invalidate the style of the affected elements.

Bug: 1432850
Reviewed-by: bz
MozReview-Commit-ID: DrMTgLzQcnk
This commit is contained in:
Emilio Cobos Álvarez 2018-01-25 02:53:49 +01:00
parent c2dfece49f
commit 657d8b8e31
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GPG key ID: 056B727BB9C1027C
8 changed files with 95 additions and 37 deletions
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5
components/style/stylist.rs
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@ -25,7 +25,7 @@ use properties::{AnimationRules, PropertyDeclarationBlock};
use rule_cache::{RuleCache, RuleCacheConditions};
use rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
use selector_map::{PrecomputedHashMap, SelectorMap, SelectorMapEntry};
use selector_parser::{SelectorImpl, PerPseudoElementMap, PseudoElement};
use selector_parser::{SelectorImpl, SnapshotMap, PerPseudoElementMap, PseudoElement};
use selectors::NthIndexCache;
use selectors::attr::{CaseSensitivity, NamespaceConstraint};
use selectors::bloom::{BloomFilter, NonCountingBloomFilter};
@ -504,6 +504,7 @@ impl Stylist {
&mut self,
guards: &StylesheetGuards,
document_element: Option<E>,
snapshots: Option<&SnapshotMap>,
) -> bool
where
E: TElement,
@ -548,7 +549,7 @@ impl Stylist {
}
}
let flusher = self.stylesheets.flush(document_element);
let flusher = self.stylesheets.flush(document_element, snapshots);
let had_invalidations = flusher.had_invalidations();