Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: e4117be9080c9b337a0e9753bb66916a16002669
https://github.com/WebKit/WebKit/commit/e4117be9080c9b337a0e9753bb66916a16002669
Author: Antoine Quint <[email protected]>
Date: 2024-01-30 (Tue, 30 Jan 2024)
Changed paths:
M
LayoutTests/imported/w3c/web-platform-tests/css/css-contain/content-visibility/content-visibility-interpolation-expected.txt
M Source/WebCore/animation/CSSPropertyAnimation.cpp
Log Message:
-----------
[web-animations] don't normalize progress for `visibility` and
`content-visibility` while animating
https://bugs.webkit.org/show_bug.cgi?id=268366
Reviewed by Tim Nguyen.
For CSS properties using a "discrete" animation type, we normalize the animated
value to be either
0 or 1 depending on which side of the 0.5 progress value we stand. However, the
`visibility` and
`content-visibility` properties have a special type of discrete animation
support that requires
to not perform this value normalization, as will the `display` property when we
add animation
support for it (see bug 267762).
We introduce a new wrapper type `NonNormalizedDiscretePropertyWrapper` to do
just that and use
it for the two properties listed above. This addresses the last remaining
failure for the
`content-visibility` interpolation test.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-contain/content-visibility/content-visibility-interpolation-expected.txt:
* Source/WebCore/animation/CSSPropertyAnimation.cpp:
(WebCore::AnimationPropertyWrapperBase::normalizesProgressForDiscreteInterpolation
const):
(WebCore::CSSPropertyAnimationWrapperMap::CSSPropertyAnimationWrapperMap):
(WebCore::blendStandardProperty):
Canonical link: https://commits.webkit.org/273742@main
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