Hey Vlad - thanks for the update.
Do we know if Mozilla is similarly positive on this change? Any input
from the WebKit team?
thanks,
Mike
On 3/28/24 4:36 PM, Vladimir Levin wrote:
Hey all,
After receiving the LGTMs, we decided to postpone the feature until
another component of it is discussed and resolved at the CSSWG.
This has been done, and one major change from the initial feature is
that we will now allow mutable types on the ViewTransition object.
This is implemented and is documented in the latest version of the
spec: https://drafts.csswg.org/css-view-transitions-2/#selective-vt
Please let me know if I need to do anything more wrt the intent
process, or whether the existing LGTMs still stand for us to ship this
feature.
Thank you,
Vlad
On Tue, Nov 28, 2023 at 4:16 PM احمد عسيري <syrya1...@gmail.com>
wrote:
في الثلاثاء، ٢٨ نوفمبر ٢٠٢٣, ٩:٥٧ ص Rick Byers
<rby...@chromium.org> كتب:
LGTM3
On Thu, Nov 23, 2023 at 1:44 AM Mike Taylor
<miketa...@chromium.org> wrote:
LGTM2
On 11/22/23 11:15 AM, Yoav Weiss wrote:
LGTM1
On Thursday, November 9, 2023 at 7:05:57 PM UTC+1
Vladimir Levin wrote:
On Thu, Nov 9, 2023, 12:54 Mike Taylor
<miketa...@chromium.org> wrote:
On 11/8/23 3:53 PM, Vladimir Levin wrote:
Contact emails vmp...@chromium.org,
nrosent...@chromium.org
<mailto:nrosent...@chromium.org>
Explainer
https://github.com/vmpstr/web-proposals/blob/main/explainers/view-transition-types.md
<https://github.com/vmpstr/web-proposals/blob/main/explainers/view-transition-types.md>
Specification
https://drafts.csswg.org/css-view-transitions-2/#the-active-view-transition-pseudo
<https://drafts.csswg.org/css-view-transitions-2/#the-active-view-transition-pseudo>
Summary
This feature allows View transition API use to
be customized for different types of
transitions. Specifically, this adds an ability
to add "types" to `startViewTransition` call
which will identify the types of the transition.
As well, it will match a pseudo-class, called
`:active-view-transitions(...)` with a parameter
matching the type for the duration of the view
transition. Combined these two features provide
a way for the author to declare several view
transitions once and only trigger one at a time.
See example usage in the spec:
https://drafts.csswg.org/css-view-transitions-2/#the-active-view-transition-pseudo
<https://drafts.csswg.org/css-view-transitions-2/#the-active-view-transition-pseudo>
Blink component Blink>ViewTransitions>SPA
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EViewTransitions%3ESPA>
TAG review
https://github.com/w3ctag/design-reviews/issues/908
<https://github.com/w3ctag/design-reviews/issues/908>
TAG review status Pending
Risks
Interoperability and Compatibility
There are minimal interop and copmat risks. This
feature is an extension to the View Transitions
API that makes it more ergonomic to specify
multiple transitions declaratively, while
triggering only one of them at a time.
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/905
<https://github.com/mozilla/standards-positions/issues/905>)
Gecko are now positive!
/WebKit/: No signal
(https://github.com/WebKit/standards-positions/issues/266
<https://github.com/WebKit/standards-positions/issues/266>)
/Web developers/: No (strong) signals, the
feature request came from a web developer:
https://github.com/w3c/csswg-drafts/issues/8960
<https://github.com/w3c/csswg-drafts/issues/8960>
/Other signals/:
Ergonomics
This feature would be used with the View
Transitions API to be able to easier maintain a
declarative set of multiple transitions that can
be triggered. This solution uses a descendant
combinator heavily to selectively style elements
in the DOM, but this is not any different from
the polyfill approach of toggling a class on :root.
Activation
This feature can be used directly and fairly easily.
Security
There are no additional security considerations
over the View Transitions API.
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 in the same way as
the View Transitions API, and also in the same
way as other CSS properties.
Will this feature be supported on all six Blink
platforms (Windows, Mac, Linux, Chrome OS,
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>?
No
Any reason why?
Oops, that should say "Yes". I'll update chromestatus
Flag name on chrome://flags ViewTransitionTypes
Finch feature name ViewTransitionTypes
Requires code in //chrome? False
Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1466251
<https://bugs.chromium.org/p/chromium/issues/detail?id=1466251>
Estimated milestones Shipping on desktop 121
Shipping on Android 121 Shipping on WebView 121
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/5089552511533056
<https://chromestatus.com/feature/5089552511533056>
Links to previous Intent discussions Intent to
prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2NjgR_%2BTbJbU5O%2BiyhnqxypDAUh7LWHUCWy%3DNnaBCY%2B1g%40mail.gmail.com
<https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2NjgR_%2BTbJbU5O%2BiyhnqxypDAUh7LWHUCWy%3DNnaBCY%2B1g%40mail.gmail.com>
This intent message was generated by Chrome
Platform Status <https://chromestatus.com/>.
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