[Webkit-unassigned] [Bug 83148] New: Best zoomable area does not balance intersection with target area.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83148

           Summary: Best zoomable area does not balance intersection with
                    target area.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: allan.jensen at nokia.com


The algorithm for best zoomable area currently chooses the area with the largest intersection, and if more than one area has the same intersection area, chooses the smallest target area.

This correctly chooses the smallest area when a touch is fully contained in the target area. But in cases where a small part of the touch is outside the targeted area, it will end up picking the background instead.

To fix this, change the algorithm from a two step sort to one step sort that picks the best target using a formula that balances the smallest area and the largest intersection with each other.

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