Contact emailsmus...@chromium.org

Explainerhttps://w3c.github.io/pointerevents/#event-dispatch

Specificationhttps://w3c.github.io/pointerevents/#event-dispatch

Summary

If a pointer is captured while the `pointerup` event is being dispatched,
the `click` event will be dispatched to the captured target instead of the
nearest common ancestor of `pointerdown` and `pointerup` events as per the
UI Event spec. For uncaptured pointers, the `click` target remains
unchanged.


Blink componentBlink>Input
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EInput%22>

TAG reviewNone

TAG review statusNot applicable

Risks


Interoperability and Compatibility

Interop risk: No risk at all because the major browsers behaved differently
for years (see
https://github.com/w3c/pointerevents/issues/356#issuecomment-811814819).
Compat risk: There is a slight risk that the click target change would be
noticed for a very narrow case of a slider-like UI element that captures
the pointer yet expects a *container* element to respond to a click
differently from how the slider element itself responds to the same click.
For a drag action that starts on the slider and ends outside the slider,
this feature would cause the click event to be dispatched to the slider
then bubble up to the container (vs being dispatched to the container
element directly).


*Gecko*: Positive (
https://github.com/w3c/pointerevents/issues/356#issuecomment-1596196064)

*WebKit*: No signal

*Web developers*: Positive (
https://github.com/w3c/pointerevents/issues/356#issuecomment-1591894867)

*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

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/pointerevents?label=master&label=experimental&aligned&q=pointerevents%2Fpointerevent_click_during_capture.html


Flag name on about://flagsNone

Finch feature nameClickToCapturedPointer

Requires code in //chrome?False

Tracking bughttps://crbug.com/40851596

Sample links
https://codepen.io/mustaqahmed/full/YzawKWW

Estimated milestones
Shipping on desktop 135
Shipping on Android 135
Shipping on WebView 135

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/5143357002874880?gate=5069716701577216

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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