On 10/4/23 7:43 PM, 'Sahir Vellani' via blink-dev wrote:
Contact emails
gerch...@microsoft.com <mailto:gerch...@microsoft.com>,
sahir.vell...@microsoft.com <mailto:sahir.vell...@microsoft.com>
Explainer
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/PointerEventDeviceId/explainer.md
<https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/PointerEventDeviceId/explainer.md>
Specification
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/PointerEventDeviceId/explainer.md
<https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/PointerEventDeviceId/explainer.md>
Summary
As devices with advanced pen input capabilities are becoming
increasingly prevalent, it is important that the web platform
continues to evolve to fully support these advanced features in order
to unlock rich experiences for both end users and developers. One such
advancement is the ability for a device's digitizer to recognize more
than one pen device interacting with it simultaneously. This feature
is an extension to the PointerEvent interface to include a new
attribute, deviceId, that represents a session-persistent, document
isolated, unique identifier that a developer can reliably use to
identify individual pens interacting with the page.
Blink component
Blink>Input
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EInput>
TAG review
https://github.com/w3ctag/design-reviews/issues/880
<https://github.com/w3ctag/design-reviews/issues/880>
TAG review status
Pending. TAG review has been pending for 2 months.
Risks
Interoperability and Compatibility
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/715
<https://github.com/mozilla/standards-positions/issues/715>)
/WebKit/: No signal
(https://github.com/WebKit/standards-positions/issues/102
<https://github.com/WebKit/standards-positions/issues/102>)
/Web developers/: No signals
/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
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?
No
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
No. However, there are web tests in Chromium that test
PointerEventInit with this feature.
Flag name on chrome://flags
PointerEventDeviceId
Finch feature name
Non-finch justification
Edge origin trials successfully underway.
Any Origin Trial feedback you can share?
Requires code in //chrome?
False
Measurement
PointerEventDeviceId use counter implemented.
Availability expectation
Initially available on Chromium browsers on Windows.
Out of curiosity, are there limitations on other platforms that prevent
supporting this feature?
Adoption expectation
Feature is used by specific partner(s) to provide functionality
immediately upon launch.
Adoption plan
This feature has been through origin trials on Edge. It is being used
by partners that provide features on devices with multi pen support.
Non-OSS dependencies
/Does the feature depend on any code or APIs outside the Chromium open
source repository and its open-source dependencies to function?/
Operating system API's are used to obtain the device id, and are
necessary for this feature to function. Please see the security
questionnaire in the TAG review on security and privacy concerns
related to the use of these APIs.
Estimated milestones
Shipping on desktop
120
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)./
WICG Proposal: https://github.com/WICG/proposals/issues/101
<https://github.com/WICG/proposals/issues/101> No web compat/interop risk.
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5114132234240000
<https://chromestatus.com/feature/5114132234240000>
Links to previous Intent discussions
Intent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SA0PR00MB1033E5DE0BDE42239E647E9AFB189%40SA0PR00MB1033.namprd00.prod.outlook.com
<https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SA0PR00MB1033E5DE0BDE42239E647E9AFB189%40SA0PR00MB1033.namprd00.prod.outlook.com>
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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