LGTM2

On Mon, May 5, 2025 at 11:08 AM Alex Russell <slightly...@chromium.org>
wrote:

> 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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