LGTM1
On 3/20/24 2:27 PM, Vladimir Levin wrote:
Contact emails
vmp...@chromium.org, nrosent...@chromium.org
Explainer
https://github.com/vmpstr/web-proposals/blob/main/explainers/view-transition-classes.md
Specification
https://drafts.csswg.org/css-view-transitions-2/#view-transition-class-prop
<https://drafts.csswg.org/css-view-transitions-2/#view-transition-class-prop>
Summary
This feature introduces a new CSS property view-transition-class which
allows the developer to specify one or more view transition classes.
The developer can then select the ViewTransition pseudo elements using
these classes (e.g. ::view-transition-group(*.class)). This is an
extension to the ViewTransition API that simplifies styling of view
transition pseudo elements in a similar way that CSS classes simplify
styling of regular DOM elements.
TAG review
https://github.com/w3ctag/design-reviews/issues/938
TAG review status
Pending
Risks
Interoperability and Compatibility
The risk of interoperability is small, since this is a feature that
has been introduced and discussed in the CSSWG with possible input
from all of the major browser vendors. It is a new feature that builds
on the view transition feature, but it's a fairly small delta and a
qualify of life improvement for developers. This feature is fully
backward compatible with previously valid syntax.
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/988)
/WebKit/: No signal
(https://github.com/WebKit/standards-positions/issues/321)
/Web developers/: Positive
(https://twitter.com/mhartington/status/1731670490341642649) (citation
is one example)
Ergonomics
This feature is an ergonomic improvement to the view transitions feature.
Activation
There are no activation risks
Security
There are no known security risks
WebView application risks
Does this intent deprecate or change behavior of existing APIs, such
that it has potentially high risk for Android WebView-based applications?
None
Debuggability
This feature is debuggable via DevTools similar other css properties
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?
Yes
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
https://wpt.fyi/results/css/css-view-transitions?label=master&label=experimental&aligned&q=pseudo-with-classes
<https://drafts.csswg.org/css-view-transitions-2/#view-transition-class-prop>
Note that the tests are not passing because this flag is currently
disabled.
Flag name on chrome://flags
None
Finch feature name
CSSViewTransitionClass
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1519997
Estimated milestones
Shipping on desktop 125
Shipping on Android 125
Shipping on WebView 125
Anticipated spec changes
Open questions about a feature may be a source of future web compat or
interop issues. Please list open issues (e.g. links to known github
issues in the project for the feature specification) whose resolution
may introduce web compat/interop risk (e.g., changing to naming or
structure of the API in a non-backward-compatible way).
None
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5064894363992064
Links to previous Intent discussions
Intent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2O9SoVce7bGHcDMW36pCBt4VAiXzHZa9yoFk4omOp%2BHKg%40mail.gmail.com
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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