Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 3286a2880158270dee0e75025413395f58459132
https://github.com/WebKit/WebKit/commit/3286a2880158270dee0e75025413395f58459132
Author: Antti Koivisto <[email protected]>
Date: 2025-10-10 (Fri, 10 Oct 2025)
Changed paths:
M
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-for-shadow-dom-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-for-shadow-dom.html
M
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-units-shadow-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/style-container-for-shadow-dom-expected.txt
M Source/WebCore/css/CSSSelector.cpp
M Source/WebCore/css/CSSSelector.h
M Source/WebCore/style/ContainerQueryEvaluator.cpp
M Source/WebCore/style/ElementRuleCollector.cpp
Log Message:
-----------
REGRESSION (Safari 26): Container queries length unit wrong values
https://bugs.webkit.org/show_bug.cgi?id=300089
rdar://161897768
Reviewed by Alan Baradlay.
Fix computation of the originating element for pseudo-elements.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-for-shadow-dom-expected.txt:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-for-shadow-dom.html:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/container-units-shadow-expected.txt:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-conditional/container-queries/style-container-for-shadow-dom-expected.txt:
* Source/WebCore/css/CSSSelector.cpp:
(WebCore::CSSSelector::precedingInCompound const):
(WebCore::complexSelectorMatchesElementBackedPseudoElement):
Add a helper.
* Source/WebCore/css/CSSSelector.h:
* Source/WebCore/style/ContainerQueryEvaluator.cpp:
(WebCore::Style::ContainerQueryEvaluator::selectContainer):
Traverse the flat tree ancestors instead of "shadow-including inclusive
ancestors".
* Source/WebCore/style/ElementRuleCollector.cpp:
(WebCore::Style::ElementRuleCollector::containerQueriesMatch):
Only use SelectionMode::PseudoElement for pseudo-elements that are not element
backed (not ::slotted() or ::part()).
Canonical link: https://commits.webkit.org/301324@main
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