Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 79a886fb157b5d67d322c97e819c6588653b5f40
https://github.com/WebKit/WebKit/commit/79a886fb157b5d67d322c97e819c6588653b5f40
Author: Matthieu Dubet <[email protected]>
Date: 2025-04-17 (Thu, 17 Apr 2025)
Changed paths:
M Source/WebCore/css/CSSStyleRule.cpp
M Source/WebCore/css/CSSStyleSheet.cpp
Log Message:
-----------
[CSS] Clear StyleSheetContents hasNestingRuleCache on any rule mutation
https://bugs.webkit.org/show_bug.cgi?id=291695
rdar://147446595
Reviewed by Antti Koivisto.
Currently only CSSStyleRule::insertRule() API clear the cache,
however we can also insert a first StyleRuleWithNesting directly at the
top level which will use CSSStyleSheet::insertRule() or
inside a group rule (like @media) which would go
through CSSGroupingRule::insertRule().
We already have a mechanism to deal with any rule mutation (RuleMutationScope),
let's use it to clear hasNestingRulesCache.
* Source/WebCore/css/CSSStyleRule.cpp:
(WebCore::CSSStyleRule::insertRule):
* Source/WebCore/css/CSSStyleSheet.cpp:
(WebCore::CSSStyleSheet::RuleMutationScope::~RuleMutationScope):
Canonical link: https://commits.webkit.org/293824@main
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