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Don't try to share style on quirks mode whenever two elements have different id

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This commit is contained in:
Xidorn Quan 2017-11-29 19:37:03 -06:00
parent 95aac490a5
commit af8026a98c
1 changed files with 8 additions and 1 deletions
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9
components/style/stylist.rs
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@ -26,7 +26,7 @@ use rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
use selector_map::{PrecomputedHashMap, SelectorMap, SelectorMapEntry};
use selector_parser::{SelectorImpl, PerPseudoElementMap, PseudoElement};
use selectors::NthIndexCache;
use selectors::attr::NamespaceConstraint;
use selectors::attr::{CaseSensitivity, NamespaceConstraint};
use selectors::bloom::{BloomFilter, NonCountingBloomFilter};
use selectors::matching::{ElementSelectorFlags, matches_selector, MatchingContext, MatchingMode};
use selectors::matching::VisitedHandlingMode;
@ -1405,6 +1405,13 @@ impl Stylist {
where
E: TElement,
{
// If id needs to be compared case-insensitively, the logic below
// wouldn't work. Just conservatively assume it may have such rules.
match self.quirks_mode().classes_and_ids_case_sensitivity() {
CaseSensitivity::AsciiCaseInsensitive => return true,
CaseSensitivity::CaseSensitive => {}
}
let hash = id.get_hash();
for (data, _) in self.cascade_data.iter_origins() {
if data.mapped_ids.might_contain_hash(hash) {