The CSSWG issue hasn't received any actionable feedback yet, and the TAG feedback wasn't about overlay but about @initial and display animation.
On Tue, Apr 25, 2023 at 7:50 AM Rick Byers <rby...@chromium.org> wrote: > Hi Joey, > I'm excited for this to ship. I see that there's some feedback from the > TAG <https://github.com/w3ctag/design-reviews/issues/829> and concern > from the WG <https://github.com/w3c/csswg-drafts/issues/8730> about at > least one open spec issue. Please let us know here when you feel that > either the feedback has been resolved or that a good faith effort to reach > consensus has been made but we're at an impasse and should ship despite the > disagreements. > > Thanks, > Rick > > On Mon, Apr 17, 2023 at 7:12 PM Joey Arhar <jar...@chromium.org> wrote: > >> Contact emailsfuth...@chromium.org, mas...@chromium.org, >> jar...@chromium.org >> >> Explainer >> https://github.com/chrishtr/rendering/blob/master/entry-exit-animations.md >> >> Specificationhttps://drafts.csswg.org/css-position-4/#overlay >> >> Summary >> >> Introduce a overlay property to allow authors to keep elements in the top >> layer for an exit transition. The overlay property is added to indicate if >> an element is in the top layer or not. It can take two values: 'none', >> 'browser'. User agent stylesheets add !important rules to control whether >> elements are rendered in the top layer or not, and not let author styles >> override. However, authors can add overlay to the list of >> transition-properties for an element to defer the removal from the >> top-layer for the duration of the transition. That way the author can do >> exit transitions for elements like dialogs: transition-property: overlay >> transition-duration: 0.4s >> >> >> Blink componentBlink>CSS >> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS> >> >> TAG reviewhttps://github.com/w3ctag/design-reviews/issues/829 >> >> TAG review statusPending >> >> Risks >> >> >> Interoperability and Compatibility >> >> >> >> *Gecko*: No signal ( >> https://github.com/mozilla/standards-positions/issues/777) >> >> *WebKit*: No signal ( >> https://github.com/WebKit/standards-positions/issues/169) >> >> *Web developers*: No signals >> >> *Other signals*: >> >> Ergonomics >> >> This will be used in tandem with CSSTransitionDiscrete, >> CSSDisplayAnimation, the dialog element, and the popover attribute as >> described here: >> https://github.com/chrishtr/rendering/blob/master/entry-exit-animations.md >> Usage of this API will not make it hard for Chrome to maintain good >> performance. >> >> >> Activation >> >> I'm not sure if this and the other new animations features are >> polyfillable. Documentation will definitely be helpful. >> >> >> Security >> >> This CSS feature does not pose any security or privacy 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? >> >> This feature does not deprecate or change any APIs and does not have any >> WebView risk. >> >> >> Debuggability >> >> DevTools now has special support for the top layer. I don't think this >> CSS property will change or impose on how that works in DevTools. >> >> >> 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> >> ?Yes >> >> Flag nameCSSTopLayerForTransitions >> >> Requires code in //chrome?False >> >> Tracking bughttps://crbug.com/1411264 >> >> Availability expectationFeature is available on Web Platform mainline >> within 12 months of launch in Chrome. >> >> Adoption expectationFeature is considered a best practice for some use >> case within 12 months of reaching Web Platform baseline. >> >> Adoption planThis feature will be the best practice for animating top >> layer elements because it is the only way to do so. The CSSWG resolutions >> are a good sign that the other browsers will implement this. >> >> Sample links >> >> https://github.com/chrishtr/rendering/blob/master/entry-exit-animations.md#example-code >> >> Estimated milestones >> Shipping on desktop 114 >> DevTrial on desktop 114 >> Shipping on Android 114 >> DevTrial on Android 114 >> Shipping on WebView 114 >> >> 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). >> There are no anticipated spec changes. >> >> Link to entry on the Chrome Platform Status >> https://chromestatus.com/feature/5138724910792704 >> >> Links to previous Intent discussionsIntent to prototype: >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuPfeR6ez7uK%2Bw2dNKxV2Bj_mv0F3eKHScYnxziaRUMdfpz%2Bw%40mail.gmail.com >> >> This intent message was generated by Chrome Platform Status >> <https://chromestatus.com/>. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to blink-dev+unsubscr...@chromium.org. >> To view this discussion on the web visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAK6btwLg270v8Yk1n_PqRRk%2Bn9v80jkOyX9jG4WwfMs0k5fL%3Dg%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAK6btwLg270v8Yk1n_PqRRk%2Bn9v80jkOyX9jG4WwfMs0k5fL%3Dg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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