LGTM3

On Wednesday, July 9, 2025 at 11:10:37 AM UTC-4 Daniel Bratell wrote:

> LGTM2
>
> /Daniel
> On 2025-07-09 17:09, Chris Harrelson wrote:
>
> LGTM1
>
> On Tue, Jul 8, 2025 at 11:19 AM 'Fernando Fiori' via blink-dev <
> blink-dev@chromium.org> wrote:
>
>> Hi,
>>
>> I'm reactivating this thread after some updates addressing feedback 
>> received here:
>>  
>> - highlightsFromPoint now also returns the ranges hit for each Highlight 
>> under a given point after discussing it with the CSSWG 
>> <https://github.com/w3c/csswg-drafts/issues/12031> (cc @Stephen) to make 
>> the API more useful for many real-life scenarios. There are more details in 
>> the explainer 
>> <https://github.com/ffiori/MSEdgeExplainers/blob/master/highlight/HighlightsFromPointsExplainer.md>
>>  and specs <https://drafts.csswg.org/css-highlight-api-1/#interactions>, 
>> basically 
>> the type has been changed to the following:
>>
>> sequence<HighlightHitResult> highlightsFromPoint(float x, float y, 
>> optional HighlightsFromPointOptions options = {});
>>
>> dictionary HighlightHitResult {
>>   Highlight highlight;
>>   sequence<AbstractRange> ranges;
>> };
>>
>> - The explainer 
>> <https://github.com/ffiori/MSEdgeExplainers/blob/master/highlight/HighlightsFromPointsExplainer.md>
>>  was 
>> updated to match the new type mentioned above, expanded the Alternative 
>> Solutions section with further variations, and expanded on how the API 
>> addresses customer needs (as suggested by @Alex).
>>
>> - Regarding the concerns about the API being synchronous, other async 
>> options were explored more in detail (see Alternative Solutions section 
>> <https://github.com/ffiori/MSEdgeExplainers/blob/master/highlight/HighlightsFromPointsExplainer.md#alternative-solutions>
>>  in 
>> the explainer) but we decided to continue pursuing the synchronous format. 
>> It's simpler and more developer-friendly, and matches the syntax and style 
>> of other existing *FromPoint APIs. Additionally, we believe that the 
>> question of synchronous-layout-requiring APIs is better addressed 
>> separately so that all of these similar *FromPoint APIs can be considered 
>> holistically (Alex's proposal on Event Phases 
>> <https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/EventPhases/explainer.md>
>>  is 
>> a great example of how this can be approached).
>>
>> By the way, I also updated the shipping Estimated Milestones to 140.
>>
>> Looking forward to any feedback you might have :)
>>
>> Thanks,
>> Fernando 
>>
>>
>> El lunes, 3 de marzo de 2025 a la(s) 12:16:09 p.m. UTC-8, Fernando Fiori 
>> escribió:
>>
>> @Domenic, thanks for your feedback, I just updated the milestones. 
>> Regards the CSSWG current status on the feature, there's been consensus on 
>> it prior to its I2P and implementations, you can refer to this comment (and 
>> all the discussion taking place in that issue): [css-highlight-api] 
>> Approaches for dispatching highlight pointer events · Issue #7513 · 
>> w3c/csswg-drafts 
>> <https://github.com/w3c/csswg-drafts/issues/7513#issuecomment-1248320696>. 
>>
>>
>> @Stephen, thanks a lot, that'd be amazing :) 
>>
>> @Robert, I see, thanks for clarifying! I thought you meant replacing 
>> highlightsFromPoint to also return Elements with the additional parameters 
>> you mentioned in your last message, my comment was related to most of the 
>> use cases discussed can be satisfied with the simpler highlightsFromPoint 
>> API described in this I2S and the specs linked. I could see both APIs 
>> coexisting in the future, but I'm still not super clear on what use cases 
>> the API you describe could be applied to, I think your proposal could 
>> definitely be further discussed in an issue in the CSSWG for a broader 
>> audience.
>>
>> As per @Alex's comments, I'm working on updating the explainer to capture 
>> all the details about alternative solutions and why this one was chosen 
>> over them there so it's clearer and more centralized.
>>
>> I'll let you know when the explainer updates are done.
>>
>> Thank you all for the feedback,
>> Fernando
>>
>> El domingo, 2 de marzo de 2025 a la(s) 6:43:21 p.m. UTC-8, Domenic 
>> Denicola escribió:
>>
>> This states "shipping on desktop" but also "supported on all six Blink 
>> platforms". Perhaps you just forgot to add the milestones for Android and 
>> Android WebView? 
>>
>> It seems there's some late-breaking feedback from both Google and 
>> Microsoft engineers in this thread on the API design. I'm unclear to what 
>> extent those engineers have raised their concerns to the CSSWG. Can you 
>> give us a sense of the CSSWG's current consensus status on this feature? 
>> This looks ready to ship to me, but this amount of discussion muddles the 
>> situation a bit.
>>
>> On Saturday, February 15, 2025 at 9:59:59 AM UTC+9 Fernando Fiori wrote:
>>
>> *Contact emails*
>>
>> stephan...@microsoft.com, sa...@microsoft.com, ffi...@microsoft.com
>>
>>
>> *Explainer*
>>
>>
>> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/highlight/HighlightsFromPointsExplainer.md
>>
>>
>> *Specification*
>>
>> https://drafts.csswg.org/css-highlight-api-1/#interactions
>>
>>
>> *Summary*
>>
>> The highlightsFromPoint API enables developers to interact with custom 
>> highlights by detecting which highlights exist at a specific point within a 
>> document. This interactivity is valuable for complex web features where 
>> multiple highlights may overlap or exist within shadow DOM. By providing 
>> precise point-based highlight detection, the API empowers developers to 
>> manage dynamic interactions with custom highlights more effectively, such 
>> as responding to user clicks or hover events on highlighted regions to 
>> trigger custom tooltips, context menus, or other interactive features.
>>
>>
>>
>>
>> *Blink component*
>>
>> Blink>CSS 
>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>
>>
>>
>> *TAG review*
>>
>> https://github.com/w3ctag/design-reviews/issues/1043
>>
>>
>> *TAG review status*
>>
>> Issues addressed
>>
>>
>> *Risks*
>>
>>
>>
>>
>> *Interoperability and Compatibility*
>>
>> The 'highlightsFromPoint' API is a new feature so there isn’t a 
>> compatibility risk. The interoperability risk is limited to the usual risk 
>> of limited adoption and/or inconsistent browser support for a new feature.
>>
>>
>>
>> *Gecko*: No signal (
>> https://github.com/mozilla/standards-positions/issues/1068)
>>
>> *WebKit*: No signal (
>> https://github.com/WebKit/standards-positions/issues/394)
>>
>> *Web developers*: Positive (
>> https://github.com/w3c/csswg-drafts/issues/7513#issuecomment-1211033472, 
>> https://github.com/w3c/csswg-drafts/issues/7447#issuecomment-2386160133, 
>> https://github.com/w3c/csswg-drafts/issues/7447#issuecomment-1183422904)
>>
>> *Other signals*:
>>
>>
>> *Ergonomics*
>>
>> None
>>
>>
>>
>>
>> *Activation*
>>
>> None
>>
>>
>>
>>
>> *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?*
>>
>> None
>>
>>
>>
>>
>> *Debuggability*
>>
>> None
>>
>>
>>
>>
>> *Will this feature be supported on all six Blink platforms (Windows, Mac, 
>> Linux, ChromeOS, 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
>>
>>
>> https://wpt.fyi/results/css/css-highlight-api/HighlightRegistry-highlightsFromPoint.html?label=experimental&label=master&aligned
>>
>>
>> https://wpt.fyi/results/shadow-dom/HighlightRegistry-highlightsFromPoint.html?label=master&label=experimental&aligned
>>
>> Note that these tests are currently failing in wpt.fyi because the 
>> feature still has the status test in code 
>> <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/runtime_enabled_features.json5;l=2333?q=runtime_enabled_features.json&ss=chromium%2Fchromium%2Fsrc>,
>>  
>> so it’s not activated for these tests that run under experimental flag, but 
>> worth mentioning they’re passing in chromium CI. They’re expected to pass 
>> in wpt.fyi as well once the feature status is upgraded.
>>
>>
>>
>> *Flag name on about://flags*
>>
>> None
>>
>>
>> *Finch feature name*
>>
>> HighlightsFromPoint
>>
>>
>> *Requires code in //chrome?*
>>
>> False
>>
>>
>> *Tracking bug*
>>
>> https://issues.chromium.org/issues/365046212
>>
>>
>> *Estimated milestones*
>>
>> Shipping on desktop
>>
>> 134
>>
>>
>>
>>
>> *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/4552801607483392?gate=4762112543686656
>>
>>
>> *Links to previous Intent discussions*
>>
>> Intent to Prototype: 
>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SJ0PR00MB130193097BB3B418C676D88CEC642%40SJ0PR00MB1301.namprd00.prod.outlook.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 visit 
>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/8076a892-d353-4032-8796-8eb7ac29149dn%40chromium.org
>>  
>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/8076a892-d353-4032-8796-8eb7ac29149dn%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 visit 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw9f10Ni22gsjAg3dAp0UAHdW-J8Z0iaD86Zt0wpyXjPCA%40mail.gmail.com
>  
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw9f10Ni22gsjAg3dAp0UAHdW-J8Z0iaD86Zt0wpyXjPCA%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 visit 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/23bde1aa-ddfb-4896-8f8a-c10e4637c4bdn%40chromium.org.

Reply via email to