I seem to recall tests making use of CSS zoom. Is that not a concern? How do we write tests for issues that only manifest at particular browser zoom levels, because transform behaves differently than zoom (aka device scale factor)?
Stephen. On Fri, Apr 14, 2023 at 8:14 PM Chris Harrelson <chris...@chromium.org> wrote: > > > On Fri, Apr 14, 2023 at 5:09 PM PhistucK <phist...@gmail.com> wrote: > >> Any alternatives? I thought there was a section in the intent templates >> for that... >> > > One alternative for the use case mentioned in my earlier email is to apply > a CSS transform instead. This will magnify the subtree visually but not > cause a zoom-style layout change. Another alternative is for the developer > to multiply the numbers in their CSS properties via calc + variables. > > >> >> ☆*PhistucK* >> >> >> On Sat, Apr 15, 2023 at 1:03 AM Chris Harrelson <chris...@chromium.org> >> wrote: >> >>> Contact emailschris...@chromium.org >>> >>> Specificationhttps://developer.mozilla.org/en-US/docs/Web/CSS/zoom >>> >>> Summary >>> >>> Removes support for the non-standard "zoom" CSS property. This CSS >>> property causes computed lengths for an element to be multiplied by the >>> specified zoom factor. >>> >>> >>> Blink componentBlink>CSS >>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS> >>> >>> TAG reviewNone >>> >>> TAG review statusNot applicable >>> >>> Risks >>> >>> Interoperability and Compatibility >>> >>> This feature is only available in Webkit and Blink-based browsers, and >>> has been present in Chrome since the beginning. Usage is a little above >>> 0.5% of page loads: >>> https://chromestatus.com/metrics/feature/timeline/popularity/3578 >>> However, research shows that sites in HTTPArchive triggering the feature >>> mostly don't even seem to use it, and those that do appear to always use it >>> in a way that works fine without zoom applied - worst case, just a very >>> minor change to the size of a tiny number of UI elements, but the UX is >>> basically the same. See: >>> https://docs.google.com/document/d/1cmbXpjAcXAht2ufi7bNKy-rbVNveqaf0UzeYg_DIMNA/edit# >>> >>> *Gecko*: Shipped/Shipping (Firefox never supported the feature.) >>> >>> *WebKit*: No signal ( >>> https://github.com/WebKit/standards-positions/issues/170) >>> >>> *Web developers*: Some web developers like the feature, in particular >>> for the use case of zooming in content in a legible way with responsive >>> design. See comments regarding that in this issue; >>> https://github.com/w3c/csswg-drafts/issues/5623 >>> >>> *Other signals*: The CSSWG has decided to not specify this feature: >>> https://github.com/w3c/csswg-drafts/issues/5623 >>> >>> Ergonomics >>> >>> See "other views" section. >>> >>> >>> Activation >>> >>> N/A >>> >>> >>> Security >>> >>> None >>> >>> >>> 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? >>> >>> >>> Maybe. WebView-based apps might use this feature. >>> >>> >>> Debuggability >>> >>> Sites should be able to see that zoom no longer applies to elements in >>> devtools, though there is no warning planned. >>> >>> >>> 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 >>> >>> Flag nameCSSZoom >>> >>> Requires code in //chrome?False >>> >>> Sample links >>> https://output.jsbin.com/yimuwax >>> >>> 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). >>> None >>> >>> Link to entry on the Chrome Platform Status >>> https://chromestatus.com/feature/6535859207143424 >>> >>> Links to previous Intent discussions >>> >>> 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/CAOMQ%2Bw_2izF%2BTzHvALsKSxD_uLds%2BPAD7fLtvpX4Cwe7sTwU7g%40mail.gmail.com >>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw_2izF%2BTzHvALsKSxD_uLds%2BPAD7fLtvpX4Cwe7sTwU7g%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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/CABc02_%2Br8k-q-bKWGFKxgNbSy97UKGf7VUSMnrnURBJHor-x_w%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABc02_%2Br8k-q-bKWGFKxgNbSy97UKGf7VUSMnrnURBJHor-x_w%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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/CAOMQ%2Bw_yfVCi3aWq7X%3DhW%2BTUrPpdOZ7-L2bBxhHfQ9f%3DuRGObA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw_yfVCi3aWq7X%3DhW%2BTUrPpdOZ7-L2bBxhHfQ9f%3DuRGObA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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/CAGsbWzS3dZQrHNfYNy-Y86J1k9j_9GUgE%3Dy-sBBfGYtCnx8LMw%40mail.gmail.com.
