Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f82ca57ad9b7224c783cac937d15415af50d380f
      
https://github.com/WebKit/WebKit/commit/f82ca57ad9b7224c783cac937d15415af50d380f
  Author: Antoine Quint <[email protected]>
  Date:   2026-07-16 (Thu, 16 Jul 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/html/rendering/widgets/shadow-dom-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-alternate.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-calc-with-zoom.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-late-attached-timeline.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-once-play-state.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-once.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-repeat.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-state.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/parsing/animation-trigger-parsing.tentative-expected.txt
    M 
LayoutTests/platform/glib/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
    M Source/WebCore/Headers.cmake
    M Source/WebCore/Sources.txt
    M Source/WebCore/WebCore.xcodeproj/project.pbxproj
    M Source/WebCore/css/CSSProperties.json
    M Source/WebCore/css/CSSValueKeywords.in
    M Source/WebCore/style/values/animations/StyleAnimation.cpp
    M Source/WebCore/style/values/animations/StyleAnimation.h
    A Source/WebCore/style/values/animations/StyleSingleAnimationTrigger.cpp
    A Source/WebCore/style/values/animations/StyleSingleAnimationTrigger.h

  Log Message:
  -----------
  [animation-triggers] add parsing support for the `animation-trigger` CSS 
property
https://bugs.webkit.org/show_bug.cgi?id=319471
rdar://182282309

Reviewed by Sam Weinig.

Add parsing support for the `animation-trigger` property as specified by
https://drafts.csswg.org/animation-triggers-1/#animation-trigger-shorthand.

* 
LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/html/rendering/widgets/shadow-dom-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-alternate.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-calc-with-zoom.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-late-attached-timeline.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-once-play-state.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-once.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-repeat.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/animation-trigger-state.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/animation-trigger/parsing/animation-trigger-parsing.tentative-expected.txt:
* 
LayoutTests/platform/glib/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt:
* Source/WebCore/Headers.cmake:
* Source/WebCore/Sources.txt:
* Source/WebCore/WebCore.xcodeproj/project.pbxproj:
* Source/WebCore/css/CSSProperties.json:
* Source/WebCore/css/CSSValueKeywords.in:
* Source/WebCore/style/values/animations/StyleAnimation.cpp:
(WebCore::Style::Animation::Data::operator== const):
(WebCore::Style::operator<<):
* Source/WebCore/style/values/animations/StyleAnimation.h:
(WebCore::Style::Animation::initialTrigger):
* Source/WebCore/style/values/animations/StyleSingleAnimationTrigger.cpp: Added.
(WebCore::Style::CSSValueConversion<NamedAnimationTrigger>::operator):
(WebCore::Style::CSSValueConversion<AnimationAction>::operator):
* Source/WebCore/style/values/animations/StyleSingleAnimationTrigger.h: Added.
(WebCore::Style::get):

Canonical link: https://commits.webkit.org/317307@main



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