[Webkit-unassigned] [Bug 30252] New: If document height changes whilst tracking scroll bar mouse drag, the scroll bar isn't updated

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30252

           Summary: If document height changes whilst tracking scroll bar
                    mouse drag, the scroll bar isn't updated
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: keith at realmacsoftware.com


Summary:

If loading a page which adjusts it's height after the load, but is still big
enough to enable scrolling; scrolling in the duration between initial load and
complete load will not update the scroll view with the new document size - this
makes scrolling large documents difficult.

I've been noticing it in Beanstalk changesets primarily. FireFox correctly
updates the document's scroll view when the size is changed during scroll bar
tracking.


Workaround:

Resizing the window will update the scroll view.


Steps to Reproduce:

I've attached a (pathological) test case as an example.

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