LGTM2, since you are sure future changes will be compatible. And I agree with Alex; the OT feedback is very persuasive that this API serves web developers.
On Tuesday, March 25, 2025 at 3:22:12 AM UTC+9 Alex Russell wrote: > Thanks for all the context, Elad. Evidence from OT is persuasive here. > LGTM1. > > On Monday, March 24, 2025 at 2:05:50 AM UTC-7 elad...@google.com wrote: > >> The remaining open issues are: >> >> 1. >> >> Whether the API shape should already support gestures other than >> wheel, or whether such a future extension should only be addressed in the >> future. >> 2. >> >> Whether the API should allow concurrent forwarding events from >> multiple source elements or just a single one. >> 3. >> >> Whether the API should explicitly limit forwarding to the >> intersection of the source element and a relevant rendering element, or >> whether this is up to the user agent. >> 4. >> >> Whether the API should be exposed on CaptureController, or exposed on >> HTMLVideoElement and HTMLCanvasElement. >> >> >> During multiple OT extensions, we have made multiple compromises that >> have closed other issues. However, when it comes to these 4 issues, our >> suggested compromise that completely accommodated 1-3, was rejected on the >> grounds that it does not also fix #4. We do not believe that further >> progress on these issues is possible at this time. >> >> We are confident that any future changes to this API will be compatible >> with what we are shipping now. >> >> >> On Mon, Mar 24, 2025 at 6:55 AM Domenic Denicola <dome...@chromium.org> >> wrote: >> >>> >>> >>> On Friday, March 21, 2025 at 4:42:21 AM UTC+9 elad...@google.com wrote: >>> >>> Contact emails >>> >>> elada...@chromium.org, gui...@chromium.org >>> >>> Explainer >>> >>> https://github.com/w3c/mediacapture-surface-control/blob/main/README.md >>> >>> Specification >>> >>> https://w3c.github.io/mediacapture-surface-control >>> >>> Design docs >>> >>> https://docs.google.com/document/d/10UojDvTJ6ojBEOP7cgBIIaE7WZEfe >>> s_Qv1eN3A2A0nM/edit?usp=sharing >>> >>> Summary >>> >>> A Web API that allows Web applications to: >>> 1. Forward wheel events to a captured tab. >>> 2. Read and change the zoom level of a captured tab. >>> >>> Blink component >>> >>> Blink>GetDisplayMedia >>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EGetDisplayMedia%22> >>> >>> TAG review >>> >>> https://github.com/w3ctag/design-reviews/issues/962 >>> >>> TAG review status >>> >>> Issues addressed >>> >>> Origin Trial Name >>> >>> Captured Surface Control >>> >>> Chromium Trial Name >>> >>> CapturedSurfaceControl >>> >>> >>> WebFeature UseCounter name >>> >>> kCapturedSurfaceControl >>> >>> Risks >>> >>> Interoperability and Compatibility >>> >>> Gecko: No signal (https://github.com/mozilla/standards-positions/issues/ >>> 1061) The request for a standards position has no official position. >>> Both on that issue and in the WebRTC WG, Mozilla's representative supported >>> the use case; but of the issues he had filed against the spec, some remain >>> without consensus. >>> >>> WebKit: No signal (https://github.com/WebKit/ >>> standards-positions/issues/388) The request for a standards position >>> has no official position. In the WebRTC WG, Apple's representative >>> supported the use case; but of the issues he had filed against the spec, >>> some remain without consensus. >>> >>> >>> Can you expand on these issues that remain open without consensus, and >>> how they might impact interoperability and compatibility risks? >>> >>> >>> >>> Web developers: Strongly positive (https://docs.google.com/ >>> document/d/1CyKBeo2tGsp_k2HhK6WjDM4dciWEbejUTflKrOVYFvM/edit?usp=sharing >>> ) >>> >>> Security >>> >>> https://w3c.github.io/mediacapture-surface-control/# >>> privacy-and-security-considerations >>> >>> >>> WebView application risks >>> >>> N/A - this feature is built on top of screen-capture, which is not >>> currently supported on mobile platforms. >>> >>> >>> Debuggability >>> >>> N/A >>> >>> >>> Will this feature be supported on all six Blink platforms (Windows, Mac, >>> Linux, ChromeOS, Android, and Android WebView)? >>> >>> No >>> >>> Supported on all desktop platforms. (Screen-sharing is not currently >>> supported on mobile platforms.) >>> >>> >>> Is this feature fully tested by web-platform-tests >>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >>> ? >>> >>> No. Given the interaction with the user, the browser's own UX, and >>> between the capturing and captured tabs, browser tests produced more >>> meaningful coverage. Substantial coverage of that form exists over multiple >>> unit tests and end-to-end browser tests. >>> >>> >>> Flag name on about://flags >>> >>> captured-surface-control >>> >>> Finch feature name >>> >>> CapturedDisplaySurface >>> >>> Tracking bug >>> >>> https://bugs.chromium.org/p/chromium/issues/detail?id=1466247 >>> >>> Launch bug >>> >>> https://launch.corp.google.com/launch/4268170 >>> >>> Sample links >>> >>> https://captured-surface-control.glitch.me >>> >>> Estimated milestones >>> >>> Origin trial desktop first >>> >>> 122 >>> >>> Origin trial desktop last >>> >>> 127 >>> >>> Origin trial extension 1 end milestone >>> >>> 135 >>> >>> Origin trial extension 2 end milestone >>> >>> 132 >>> >>> Origin trial extension 3 end milestone >>> >>> 129 >>> >>> DevTrial on desktop >>> >>> 122 >>> >>> >>> Anticipated spec changes >>> >>> Additional gestures (in addition to scrolling) may be supported in the >>> future, if the need is articulated by Web developers, and subject to a >>> separate privacy/security review of those particular gestures. >>> >>> >>> Link to entry on the Chrome Platform Status >>> >>> https://chromestatus.com/feature/5092615678066688?gate=5158502187663360 >>> >>> Links to previous Intent discussions >>> >>> Intent to Prototype: https://groups.google.com/a/ >>> chromium.org/d/msgid/blink-dev/CAMO6jDPSgR3kX39drHd9t- >>> JvTKBk%2B7Dg03O6dvowzw-LjQ__1A%40mail.gmail.com >>> >>> Intent to Experiment: https://groups.google.com/a/ >>> chromium.org/d/msgid/blink-dev/CAOMQ%2Bw-DF_ >>> BCtdwiaYqrXsan3YNBfT2pAeboT0f1F9wmViPPWQ%40mail.gmail.com >>> >>> Intent to Extend Experiment 1: https://groups.google.com/a/ >>> chromium.org/d/msgid/blink-dev/CAMO6jDN%3DJteucLtF5RU%2Bvx9Fbc_ >>> CBifdWzjGjtW1Z5zqhcvqgA%40mail.gmail.com >>> >>> Intent to Extend Experiment 2: https://groups.google.com/a/ >>> chromium.org/d/msgid/blink-dev/CAM0wra9vLNpe45swTf1Bgm1ZbH% >>> 3DhBt0iAjN_FK49Y%3DznEea3vg%40mail.gmail.com >>> >>> Intent to Extend Experiment 3: https://groups.google.com/a/ >>> chromium.org/g/blink-dev/c/7MbIEBdHMck/m/UBbWTX-hAgAJ >>> >>> >>> 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. 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