[Webkit-unassigned] [Bug 141537] REGRESSION: Should not send wheel events with a delta of 0

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141537

--- Comment #7 from Brent Fulgham <bfulgham at webkit.org> ---
(In reply to comment #6)
> (In reply to comment #5)
> > This change breaks snap scroll points, but you couldn't have known that
> > since I have not gotten around to making suitable tests!
> 
> I wonder why snap scroll points rely on getting a delta of 0?

I'm not sure. I'm debugging the code now to see why it matters. I think we have some kind of edge case where the user has ended the wheel motion and the snap animation is about to start. If we return 'false' in this case, the event is treated as unhandled and the animation never starts.

I'll know more once I finish debugging.

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