[Webkit-unassigned] [Bug 84936] [chromium] Compute highlight for touch targets

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84936





--- Comment #45 from Tien-Ren Chen <trchen at chromium.org>  2012-06-08 13:32:25 PST ---
(In reply to comment #41)
> (From update of attachment 144645 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=144645&action=review
> > Source/WebCore/ChangeLog:9
> > +        to generate the clickable region for link highlighting.
> 
> If it's only for link, it should be more explicit in the naming.

Forgot to say, this will be re-used at a later time for threaded-scrolling/touch event handling. The idea is, we want to generate the hit quads for the elements with Javascript touch handler, store them in the compositor side, so the compositor will know whether we can do a quick reject to touch events instead of forward everything to the main thread. It will be very helpful for UI responsiveness.

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