[Webkit-unassigned] [Bug 111444] [BlackBerry] FatFinger pairs the wrong element with fatfinger rect part

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111444





--- Comment #6 from Tiancheng Jiang <tijiang at rim.com>  2013-03-05 10:28:48 PST ---
If we use remainingFingerRegion subtract layerRegion, which will give us a region outside of layerRegion. But when we do checkFingerIntersection, we pair this region with the layer element. This end up a mismatch pair.
We should pair the intersected part with the layerRegion element.

(In reply to comment #3)
> (From update of attachment 191505 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=191505&action=review
> 
> > Source/WebKit/blackberry/WebKitSupport/FatFingers.cpp:382
> > -            remainingFingerRegion = subtractRegions(remainingFingerRegion, layerRegion);
> > +            remainingFingerRegion = intersectRegions(remainingFingerRegion, layerRegion);
> 
> that is not right. what does it fix?

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