[Webkit-unassigned] [Bug 197819] eventSender.monitorWheelEvents() is very fragile

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197819

--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
I've spent way too long trying to make the eventSender.monitorWheelEvents() more robust. I think the design is fundamentally broken; there's no way to tell, when you get the 'ended' phase on the scroll gesture, that you'll be starting a momentum phase and need to keep postponing the final callback.

A better design would be to use JSON to describe the sequence of events, and make a single call into EventSender that starts monitoring, and knows to keep monitoring until all the events have been dispatched and received by the web process.

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