[Webkit-unassigned] [Bug 199803] New: releasePointerCapture not working for implicit capture; access you pointerenter/leave unavailable for touches

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=199803

            Bug ID: 199803
           Summary: releasePointerCapture not working for implicit
                    capture; access you pointerenter/leave unavailable for
                    touches
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ian at ianbellomy.com

Created attachment 374143

  --> https://bugs.webkit.org/attachment.cgi?id=374143&action=review

Example.

w3c pointer events specs 10.4 note that a dev can/should call releasePointerCapture(pid) just after pointerdown and before any other pointer events to opt-in to hit-testing any following touch-generated pointer events. Assumedly, opting-in would make touch pointers work more like mouse pointers in that enter/leave events would be dispatched while the primary button is pressed. In Chrome at least, this is what happens.

In iOS13 beta, calling releasePointerCapture(pid) does not result in his behavior. As such, there seems to be no way to opt-in to receiving pointerenter/leave events.

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