Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4f1593f053b31d0678805160252d194aeb7af57f
https://github.com/WebKit/WebKit/commit/4f1593f053b31d0678805160252d194aeb7af57f
Author: Ahmad Saleem <[email protected]>
Date: 2025-11-28 (Fri, 28 Nov 2025)
Changed paths:
M Source/WebCore/style/ElementRuleCollector.cpp
M Source/WebCore/style/RuleSet.cpp
M Source/WebCore/style/RuleSet.h
Log Message:
-----------
Add focusVisible optimization to rule matching
https://bugs.webkit.org/show_bug.cgi?id=303221
rdar://165514653
Reviewed by Antti Koivisto.
This patch optimizes selector matching by tracking focusVisible state in
the rule collection process. This avoids unnecessary style recalculations
when focus-visible pseudo-class selectors are present.
Added focusVisible member to RuleSet to track whether any rules contain
:focus-visible selectors, and propagated this information through
ElementRuleCollector to enable selective invalidation.
* Source/WebCore/style/ElementRuleCollector.cpp:
(WebCore::Style::ElementRuleCollector::collectMatchingRules):
* Source/WebCore/style/RuleSet.cpp:
(WebCore::Style::RuleSet::addRule):
(WebCore::Style::RuleSet::traverseRuleDatas):
(WebCore::Style::RuleSet::shrinkToFit):
* Source/WebCore/style/RuleSet.h:
(WebCore::Style::RuleSet::focusVisiblePseudoClassRules const):
Canonical link: https://commits.webkit.org/303633@main
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