[Webkit-unassigned] [Bug 10929] New: WebKit could benifit from a tool to observe/debug event dispatch

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=10929

           Summary: WebKit could benifit from a tool to observe/debug event
                    dispatch
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Tools
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: macdome at opendarwin.org


WebKit could benifit from a tool to observe/debug event dispatch

bdash and I just spent a while talking about JS/Web tools that we'd like to see
to better support web developers using Safari/WebKit.  One idea which came out
of this discussion was for a tool to track javascript event dispatch.

I have had a number of cases where I've had to debug mouse-events for my
web-application in Safari and been frustrated by having to resort to gdb to do
this tracking.  It would be nice if there were a way to easily see a log of all
attempted dispatch, or to have information a priori as to where a mouse event
might be captured/targeted.

Wiring this sort of tool into WebKit should be relatively straightforward.  A
couple hooks into EventTargetNode::dispatchGenericEvent should do the trick. 
The larger question (to me) is what would such a tool look like.


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