I'm happy for this to be CrOS first, but would like to unpack Brett's statement above a bit. If we (MSFT) were to polish this up for Windows, would patches for that be accepted?
On Tuesday, May 7, 2024 at 6:25:26 PM UTC-7 Matt Giuca wrote: > Hi Yoav, > > The API was specifically designed to allow developers to customize the > fallback, so the short answer is "whatever fallback they want". > > Since the "display" Manifest member only allows for a single string, > adding a new value there would break backwards compatibility for any site > that used the new value. That is why we do not allow "tabbed" and other new > display modes in that member; they can only be used in the new > "display_override" member which is a list of display modes representing a > developer-supplied fallback chain, with the final fallback being the value > of the old "display" member. > > So developers can generally choose between two configurations: > > 1. "display_override": ["tabbed"], "display": "standalone" > 2. "display_override": ["tabbed"], "display": "browser" > > If they choose #1, non-supported platforms will fall back to a standalone > non-tabbed window (feeling like an app but not having a tabbed experience). > If they choose #2, non-supported platforms will fall back to not having a > separate window and just opening the content in the browser (giving the > user a tabbed experience but not feeling like an app). > > We would recommend that developers fall back to whatever they are already > using. That way, tabbed mode is an additive experience (currently only on > ChromeOS but automatically upgrading to that experience on any platform > that supports it in the future), with a graceful degradation to the status > quo. > > Therefore, we don't think cross platform support for this feature is > necessary, though of course it has been designed for this as a future > possibility. Also there is nothing ChromeOS-specific about this design, as > Marijn pointed out, it just hasn't been prioritized by the engineering team > outside of ChromeOS. > > Regards > > Matt > > On Tue, 7 May 2024 at 19:24, Yoav Weiss (@Shopify) <yoavwe...@chromium.org> > wrote: > >> Can you elaborate on the cross-platform story here? What kind of fallback >> do we expect developers to use in non-supporting platforms? >> >> On Tue, May 7, 2024 at 12:34 AM Marijn Kruisselbrink <m...@chromium.org> >> wrote: >> >>> I don't think there are major technical reasons, no. With some rough >>> edges the flagged implementation should more or less work on other >>> desktop platforms as well. My understanding is that this is largely a >>> product choice and a choice not to prioritize the remaining engineering >>> needed to clean up the rough edges on other desktop platforms. >>> >>> On Mon, May 6, 2024 at 3:29 PM Daniel Herr <danielherrsoftw...@gmail.com> >>> wrote: >>> >>>> May I ask why? I've tried out the flagged implementation on Chrome OS, >>>> and I think it is a pretty nice UI paradigm. I don't see any technical >>>> reason it shouldn't be available on other platforms. >>>> >>>> On Monday, May 6, 2024 at 10:30:58 AM UTC-4 Brett Wilson wrote: >>>> >>>>> On Mon, May 6, 2024 at 3:02 AM Yoav Weiss (@Shopify) < >>>>> yoav...@chromium.org> wrote: >>>>> >>>>>> >>>>>> >>>>>> On Fri, May 3, 2024 at 7:28 PM Brett Wilson <bre...@chromium.org> >>>>>> wrote: >>>>>> >>>>>>> Contact emailsbre...@chromium.org, alanc...@chromium.org, >>>>>>> mgi...@chromium.org, loub...@google.com >>>>>>> >>>>>>> Explainer >>>>>>> https://github.com/WICG/manifest-incubations/blob/gh-pages/tabbed-mode-explainer.md >>>>>>> >>>>>>> Specificationhttps://wicg.github.io/manifest-incubations/#dfn-tabbed >>>>>>> >>>>>>> Summary >>>>>>> >>>>>>> Allow web app windows to have a tab strip. This adds a new display >>>>>>> mode "tabbed" and a new manifest field to allow customizations to the >>>>>>> tab >>>>>>> strip. >>>>>>> >>>>>>> >>>>>>> Blink componentBlink>AppManifest >>>>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EAppManifest> >>>>>>> >>>>>>> TAG reviewhttps://github.com/w3ctag/design-reviews/issues/841 >>>>>>> >>>>>>> TAG review statusIssues addressed >>>>>>> >>>>>>> Chromium Trial NameWebAppTabStrip >>>>>>> >>>>>>> Link to origin trial feedback summary >>>>>>> https://github.com/WICG/manifest-incubations/issues >>>>>>> >>>>>>> Origin Trial documentation link >>>>>>> https://github.com/WICG/manifest-incubations/blob/gh-pages/tabbed-mode-explainer.md >>>>>>> >>>>>>> Risks >>>>>>> >>>>>>> >>>>>>> Interoperability and Compatibility >>>>>>> >>>>>>> >>>>>>> >>>>>>> *Gecko*: Defer ( >>>>>>> https://github.com/mozilla/standards-positions/issues/811) >>>>>>> >>>>>>> *WebKit*: No signal ( >>>>>>> https://github.com/WebKit/standards-positions/issues/195) >>>>>>> >>>>>>> *Web developers*: Positive ( >>>>>>> https://github.com/w3c/manifest/issues/737) >>>>>>> >>>>>>> *Other signals*: >>>>>>> >>>>>>> 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? >>>>>>> >>>>>>> N/A >>>>>>> >>>>>>> >>>>>>> Debuggability >>>>>>> >>>>>>> chrome://web-app-internals can be used for debugging, and the new >>>>>>> manifest field could also be added to the DevTools Application pane. >>>>>>> >>>>>>> >>>>>>> Will this feature be supported on all six Blink platforms (Windows, >>>>>>> Mac, Linux, ChromeOS, Android, and Android WebView)?No >>>>>>> >>>>>>> The origin trial is available on ChromeOS only. Support for other >>>>>>> desktop platforms is planned. >>>>>>> >>>>>>> >>>>>>> Is this feature fully tested by web-platform-tests >>>>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >>>>>>> ?Yes >>>>>>> >>>>>>> >>>>>>> https://github.com/web-platform-tests/wpt/tree/master/appmanifest/display-override-member >>>>>>> >>>>>>> >>>>>>> Flag name on chrome://flags >>>>>>> chrome://flags/#enable-desktop-pwas-tab-strip >>>>>>> >>>>>>> Finch feature nameDesktopPWAsTabStrip >>>>>>> >>>>>>> Requires code in //chrome?True >>>>>>> >>>>>>> Tracking bughttps://issuetracker.google.com/issues/40598974 >>>>>>> >>>>>>> Launch bughttps://launch.corp.google.com/launch/4253814 >>>>>>> >>>>>>> MeasurementLaunch.WebAppDisplayMode: Tabbed >>>>>>> >>>>>>> Availability expectationFeature is available only on >>>>>>> Chrome-on-ChromeOS for the foreseeable future. >>>>>>> >>>>>> >>>>>> This seems a bit contradictory with "Support for other desktop >>>>>> platforms is planned" above. Are there plans for support beyond CrOS? >>>>>> >>>>>>> >>>>>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABiGVV9MstA8bLmUTLkkfTjeYK8bb7fkhyKL_OMt_d7UzavRTA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>> >>>>>> >>>>> Sorry, the first part was a mistake. Chrome team has requested this >>>>> not be on other platforms now. >>>>> >>>>> Brett >>>>> >>>> -- >>>> 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/670da4b2-f0f9-4774-96a9-5cd5f96d168cn%40chromium.org >>>> >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/670da4b2-f0f9-4774-96a9-5cd5f96d168cn%40chromium.org?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/CAOmohSJ%2BqhpnANLEHdz4auCwS4Mu6P--%2B5p6A0pmHe2k2Ep5PA%40mail.gmail.com >> >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSJ%2BqhpnANLEHdz4auCwS4Mu6P--%2B5p6A0pmHe2k2Ep5PA%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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