LGTM2

On Wed, Jun 28, 2023 at 1:11 AM Yoav Weiss <yoavwe...@chromium.org> wrote:

> LGTM1 after the PR lands.
>
> Thanks for the extra context!!
>
> This is a tiny change, with extremely low compat risk (developers would
> have to explicitly check for CaptureController's inheritance for this
> change to break existing code) and which the WG seems to be on board with.
> As such, one can argue that this isn't really web-exposed
> <https://www.chromium.org/blink/guidelines/web-exposed/> (despite the IDL
> changes). At the same time, the lack of a technical way for us to gate IDL
> inheritance behind a flag raises the risk a bit, so maybe this merits an
> intent. I'd love other API owners' opinions on that..
>
>
> On Tuesday, June 27, 2023 at 7:22:13 PM UTC+2 fw...@igalia.com wrote:
>
>>
>> Hello,
>>
>> To elaborate a bit more on this, it's a small IDL change to make the
>> CaptureController interface derive from the EventTarget interface:
>>
>> https://github.com/w3c/mediacapture-screen-share/issues/268
>>
>> https://docs.google.com/presentation/d/1lti3-GFsJ1iU2pXFjfSzeK8xyKj6Ohng9D6HndPNPLc/edit#slide=id.g2547a9cc7f2_1_15
>>
>> The main use case is to implement CapturedMouseEvent, but that extra
>> inheritance cannot be controlled by a runtime flag.
>>
>> https://groups.google.com/a/chromium.org/g/blink-dev/c/DYb5fXICJvo
>>
>> This change was discussed in today's WebRTC WG meeting (with other
>> potential use cases mentioned) and approved, with PR pending to be merged:
>>
>> https://docs.google.com/presentation/d/1lti3-GFsJ1iU2pXFjfSzeK8xyKj6Ohng9D6HndPNPLc/edit#slide=id.g2547a9cc7f2_1_15
>> https://github.com/w3c/mediacapture-screen-share/pull/269
>> https://github.com/w3c/mediacapture-screen-share/issues/268
>>
>> In general Web developers from the Screen Capture CG are supportive of
>> this and interested in related future applications. Some members of Mozilla
>> and Apple were also present in W3C meetings where this was discussed and
>> they OK'ed the change. However, since I didn't open a Mozilla/Apple
>> position to get official stance for such a small feature, I left "No
>> Signal".
>>
>> Chromium's CL is
>> https://chromium-review.googlesource.com/c/chromium/src/+/4542243/12
>>
>> Thanks,
>>
>>
>> On 27/06/2023 19:19, Frédéric Wang wrote:
>>
>>
>> Contact emails fw...@chromium.org
>>
>> Explainer None
>>
>> Specification
>> https://w3c.github.io/mediacapture-screen-share/#dom-capturecontroller
>>
>> Summary
>>
>> The CaptureController interface enables further manipulation of a screen
>> capture session. In the future, it is expected that the events related to a
>> capture session are dispatched on that controller. To be able to manage
>> listeners for such events, the EventTarget methods are made available on
>> CaptureController.
>>
>>
>> Blink component Blink>GetDisplayMedia
>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EGetDisplayMedia>
>>
>> TAG review None
>>
>> TAG review status Not applicable
>>
>> Risks
>>
>>
>> Interoperability and Compatibility
>>
>> *Gecko*: No signal
>>
>> *WebKit*: No signal
>>
>> *Web developers*: Positive (
>> https://github.com/screen-share/mouse-events/issues/1)
>>
>> *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?
>>
>>
>> Debuggability
>>
>> 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 name on chrome://flags
>>
>> Finch feature name
>>
>> Non-finch justification
>>
>> Small IDL change that don't affect existing use cases of
>> CaptureController.
>>
>>
>> Requires code in //chrome? False
>>
>> Estimated milestones
>> Shipping on desktop 117
>> Shipping on Android 117
>> Shipping on WebView 117
>> Shipping on WebView 117
>>
>> 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).
>>
>>
>> Link to entry on the Chrome Platform Status
>> https://chromestatus.com/feature/5139210809376768
>>
>> Links to previous Intent discussions
>>
>> This intent message was generated by Chrome Platform Status
>> <https://chromestatus.com>.
>>
>> --
>> Frédéric Wang
>>
>> --
>> 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/b6bbda72-2f28-b04c-dbed-a02da71b7cb5%40igalia.com
>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/b6bbda72-2f28-b04c-dbed-a02da71b7cb5%40igalia.com?utm_medium=email&utm_source=footer>
>> .
>>
>>
>> --
>> Frédéric Wang
>>
>> --
> 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/b85deb0d-3928-4230-97bb-80f3fbf97711n%40chromium.org
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/b85deb0d-3928-4230-97bb-80f3fbf97711n%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/CAOMQ%2Bw9M32goMMUS7%3D72mbodRFgG0wn0LLveudU1sUJBZopyKg%40mail.gmail.com.

Reply via email to