[Webkit-unassigned] [Bug 128534] New: 'mouseenter' mouse compat event not fired when listeners for touch events

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=128534

           Summary: 'mouseenter' mouse compat event not fired when
                    listeners for touch events
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: iOS
        OS/Version: iOS 7.0
            Status: NEW
          Severity: Minor
          Priority: P3
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: redux at splintered.co.uk


Not sure if it's a bug or a "feature", but in any case it's a strange inconsistency and I'd like clarification if it's intended behavior or not: it seems that "mouseenter" mouse compatibility event is only fired if there are no touch* events also being listened to.

on iOS/Safari, go to http://patrickhlauke.github.io/touch/tests/event-listener_mouse-only.html and tap the test button. This page only shows the mouse events, and the sequence of events for a clean tap are usually:

mousenter > mouseover > mousemove > mousedown > mouseup > click

now, on http://patrickhlauke.github.io/touch/tests/event-listener_all-no-timings.html doing the same clean tap results in:

touchstart > touchend > mouseover >  mousemove > mousedown > mouseup > click

Note that "mouseenter" is absent in this case. The only difference in the scripts here is that the second example also listens for touch events (as well as pointer events, with and without MS prefix, but surely that shouldn't have any effect).

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