Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 17d7e3affd7374ba19c423ce988ee398452babba
https://github.com/WebKit/WebKit/commit/17d7e3affd7374ba19c423ce988ee398452babba
Author: Frédéric Wang Nélar <[email protected]>
Date: 2026-09-25 (Fri, 25 Sep 2026)
Changed paths:
M
LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-computed-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-valid-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-inheritance-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-interpolation-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/html/rendering/widgets/shadow-dom-expected.txt
M
LayoutTests/platform/glib/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M
LayoutTests/platform/ios-26/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M
LayoutTests/platform/ios/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M
LayoutTests/platform/ipad/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
M Source/WebCore/css/CSSProperties.json
M Source/WebCore/platform/ScrollTypes.cpp
M Source/WebCore/platform/ScrollTypes.h
M Source/WebCore/style/computed/StyleComputedStyleBase.h
M Source/WebCore/style/computed/data/StyleNonInheritedRareData.cpp
M Source/WebCore/style/computed/data/StyleNonInheritedRareData.h
M Source/WebCore/style/values/primitives/StyleKeyword+Mappings.h
Log Message:
-----------
Parse CSS scroll-axis-lock property
https://bugs.webkit.org/show_bug.cgi?id=325239
Reviewed by Tim Nguyen.
Original patch by Rob Buis <[email protected]>.
This pach implements basic parsing and storage for the scroll-axis-lock
property (https://drafts.csswg.org/css-overflow-5/#scroll-axis-locking)
under a runtime flag. "auto" should preserve current behavior and actual
handling of "none" will be handled in follow-up patches.
Tests: imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml.html
imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-computed.html
imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-valid.html
imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-inheritance.html
imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-interpolation.html
*
LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
scroll-axis-lock is exposed.
*
LayoutTests/platform/glib/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
Ditto.
*
LayoutTests/platform/ios-26/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
Ditto.
*
LayoutTests/platform/ios/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
Ditto.
*
LayoutTests/platform/ipad/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
Ditto.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-computed-expected.txt:
test passes.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/parsing/scroll-axis-lock-valid-expected.txt:
Ditto.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-inheritance-expected.txt:
Ditto.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/scroll-axis-lock-interpolation-expected.txt:
Ditto.
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml: Introduce runtime
preference with status=testable.
* Source/WebCore/css/CSSProperties.json: Introduce CSS property
scroll-axis-lock.
* Source/WebCore/platform/ScrollTypes.h: Introduce internal enum class
ScrollAxisLock.
* Source/WebCore/platform/ScrollTypes.cpp:
(WebCore::operator<<): Add serialization for ScrollAxisLock.
* Source/WebCore/style/computed/StyleComputedStyleBase.h: Forward declare enum
class ScrollAxisLock.
* Source/WebCore/style/computed/data/StyleNonInheritedRareData.cpp: Handle CSS
property scroll-axis-lock.
* Source/WebCore/style/computed/data/StyleNonInheritedRareData.h: Ditto.
* Source/WebCore/style/values/primitives/StyleKeyword+Mappings.h: Ditto.
Canonical link: https://commits.webkit.org/321898@main
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