[Webkit-unassigned] [Bug 19296] New: Regression: SVG mousedown events not generated when clicking on map polygons

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed May 28 11:30:17 PDT 2008


http://bugs.webkit.org/show_bug.cgi?id=19296

           Summary: Regression: SVG mousedown events not generated when
                    clicking on map polygons
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
               URL: http://atlases.gcrc.carleton.ca/trade/rta/rta.xml.html
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gbrauen at connect.carleton.ca
                CC: ahayes at polkaroo.net, bugzilla at fiset.ca


The above URL contains an interactive SVG map and associated text panels.  If
you move the cursor over a map area and left click, the text panel to the right
should be updated with information specific to the country clicked.

Problem: All builds later than and including r29955 (Feb 4, 2008) do not
generate the mousedown events when the mouse is clicked over these map areas. 
The mouseup is seen but not the mousedown.  All build earlier than and
including r29946 do generate the mousedown events.

My guess is that changeset 29551 (http://trac.webkit.org/changeset/29951 -
broad changes in the use of "The notifyAttributeChange() sledgehammer") is
where this issue was introduced.

I have not been able to hand build a simple test case that shows the same
problem so I am opening this problem report on the hopes that someone familiar
with the above changeset may be able to understand why the mousedown events are
no longer generated in the above URL.

This works properly in Firefox 2.

Thanks,
Glenn


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