Thanks for all these updates. LGTM1.

On Friday, May 2, 2025 at 5:41:23 AM UTC-7 alexis...@intel.com wrote:

> Hi,
>
> All WPT tests are now green. I fixed the issue. Edge will also get green 
> when the runner moves to a newer version like Chrome.
>
> Thanks.
>
> On Wednesday, April 30, 2025 at 12:28:14 PM UTC-4 Alexis Menard wrote:
>
>> On Wednesday, April 30, 2025 at 11:41:43 AM UTC-4 dan...@microsoft.com 
>> wrote:
>>
>> Looking at the linked WPTs, just 1 out of 3 is passing in Chrome Canary 
>> with experimental features enabled: 
>> https://wpt.fyi/results/viewport-segments?label=master&label=experimental&aligned
>> Is that the expected result?
>>
>>
>> One failure is because the Canary version used to run the tests hasn't 
>> caught up with one last patch I did. The other makes zero sense 
>> (set_display_features in webdriver is used the same way as the passing 
>> test), I'm going to try to reproduce it locally.
>>  
>>
>>
>> Thanks,
>> Dan
>>
>> On Wednesday, April 30, 2025 at 8:33:13 AM UTC-7 yoav...@chromium.org 
>> wrote:
>>
>> Thanks!
>>
>> Would it be possible to update the explainer to point to all the 
>> different moving parts of this, and ping the TAG and the vendor position 
>> requests, as they all seem rather old.
>> The TAG specifically didn't really review this 5 years ago, and delegated 
>> to the CSSWG. It's worthwhile to ask them if they are happy with this as it 
>> turned out.
>>
>> On Tuesday, April 29, 2025 at 10:11:00 PM UTC+2 alexis...@intel.com 
>> wrote:
>>
>> Contact emails alexis...@intel.com
>>
>> Explainer https://github.com/WICG/visual-viewport/blob/gh-pages/
>> segments-explainer/SEGMENTS-EXPLAINER.md
>>
>> Specification https://www.w3.org/TR/mediaqueries-5/#mf-horizontal-
>> viewport-segments 
>> https://drafts.csswg.org/css-viewport-1/#segments
>> *https://drafts.csswg.org/css-env-1/#viewport-segments 
>> <https://drafts.csswg.org/css-env-1/#viewport-segments>*
>>
>>
>> Design docs 
>> https://github.com/WICG/visual-viewport/blob/gh-pages/
>> segments-explainer/SEGMENTS-EXPLAINER.md
>>
>> Summary 
>>
>> The Viewport Segments APIs allows developers to adapt their 
>> website/webapp layout to target foldable devices. The viewport segments 
>> defines the position and dimensions of a logically separate region of the 
>> viewport. Viewport segments are created when the viewport is split by one 
>> or more hardware features (such as a fold or a hinge between separate 
>> displays) that act as a divider; segments are the regions of the viewport 
>> that can be treated as logically distinct by the author. This is the sister 
>> of the Device Posture API (which is already stable) and both APIs are 
>> expected to be used to fully target foldable devices. Developers can access 
>> the information using JavaScript or CSS.
>>
>>
>> Blink component Blink>FoldableAPIs 
>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EFoldableAPIs%22>
>>
>> Search tags segment <https://chromestatus.com/features#tags:segment>, 
>> foldable <https://chromestatus.com/features#tags:foldable>, enumeration 
>> <https://chromestatus.com/features#tags:enumeration>, windows 
>> <https://chromestatus.com/features#tags:windows>
>>
>> TAG review https://github.com/w3ctag/design-reviews/issues/492
>>
>> TAG review status Issues addressed
>>
>> Risks 
>>
>>
>> Interoperability and Compatibility 
>>
>> This is a new API, risk is that it fails to get adoption.
>>
>>
>> *Gecko*: No signal (https://github.com/mozilla/
>> standards-positions/issues/883)
>>
>> *WebKit*: No signal (https://github.com/WebKit/
>> standards-positions/issues/327)
>>
>> *Web developers*: Positive (https://twitter.com/DanB/
>> status/1179937850286059520) Another example: https://twitter.com/
>> justinxinliu/status/1240424897337155584 Note: Capturing cumulative Web / 
>> Framework developer views are challenging, as we don't have a really good 
>> way to aggregate and summarize this information in one URL. This is 
>> something we're thinking about and would love to improve in the future.
>>
>> *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?
>>
>> None
>>
>>
>> Debuggability 
>>
>> Besides the usual DevTools debugging of the CSS and JavaScript API, few 
>> specific devices have been added into the Device Emulation mode.
>>
>>
>> Will this feature be supported on all six Blink platforms (Windows, Mac, 
>> Linux, ChromeOS, Android, and Android WebView)? Yes 
>>
>> Windows and Android are for now the platforms where the viewport segment 
>> make the most sense (there is no available devices on the other OSes).
>>
>>
>> Is this feature fully tested by web-platform-tests 
>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>> ? Yes over here : https://github.com/web-platform-tests/wpt/tree/
>> master/viewport-segments 
>>
>> There are hooks in WebDriver to allow emulating various type of folds 
>> (size, orientation, position).
>>
>>
>> Flag name on about://flags viewport-segments
>>
>> Finch feature name ViewportSegments
>>
>> Rollout plan Will ship enabled for all users
>>
>> Requires code in //chrome? False
>>
>> Tracking bug https://crbug.com/1039050
>>
>> Sample links 
>> https://github.com/foldable-devices/demos
>>
>> Estimated milestones Shipping on desktop 138 Origin trial desktop first 
>> 125 Origin trial desktop last 128 DevTrial on desktop 116 Shipping on 
>> Android 138 Origin trial Android first 125 Origin trial Android last 128 
>> DevTrial 
>> on Android 123 
>>
>> 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/5170498990243840?gate=5498556647997440
>>
>> Links to previous Intent discussions Intent to Prototype: https://groups.
>> google.com/a/chromium.org/g/blink-dev/c/_1_ljYsaqrU/m/qOoHJ7MhAgAJ
>>
>>
>> This intent message was generated by Chrome Platform Status 
>> <https://chromestatus.com/>.
>>
>>

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