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import from UXP: Issue #1593 - Follow-up: :host() should not automatically match if we have a non-empty selector list (9bebb3a6)

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roytam1
2023-02-22 07:25:35 +08:00
parent bdbb990cb1
commit b4cd773d8a
1 changed files with 5 additions and 5 deletions
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layout/style/nsCSSRuleProcessor.cpp
+5 -5
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@@ -1969,15 +1969,15 @@ static bool SelectorMatches(Element* aElement,
// selector.
// We match automatically if GetParent() and GetShadowRoot() have
// the same result. Without special casing this ahead of all other
// selector matching, it fails. Have not determined the cause.
if (aElement->GetParent() == aElement->GetShadowRoot()) {
// the same result iff our selector list is empty. Without special
// casing this ahead of all other selector matching, it fails.
// Have not determined the cause.
if (!pseudoClass->u.mSelectorList &&
aElement->GetParent() == aElement->GetShadowRoot()) {
break;
}
// Match if any selector in the argument list matches.
NodeMatchContext nodeContext(EventStates(),
nsCSSRuleProcessor::IsLink(aElement));
if (SelectorListMatches(aElement,