Re: [orca-list] Fw: XUL

[Aaron Leventhal <aaronlev moonset net>]

Hi Rich,

Apologies for not getting back to you :)

Sometimes it's just best to file a bug with a testcase. Your case is 
certainly not a common one that anyone had an answer for immediately! :)

Everyone's pulled in 10 directions at once. The bug database helps us 
focus on one problem at a time without losing track.

- Aaron

Rich Caloggero wrote:
> Not sure if this is the best place to post this, but it does relate to my
> navigation extension. I got no response on the dev-accessibility list at
> mozilla, so thought I'd post here.
>
>
> I've been finding some weirdness in the way xul is handled. I'm not
> sure where the problem lies: with firefox or screen reader.
>
> The  nd most rellevant to my navigation extension development is the
> fact that things seem to get very sluggish when dealing with xul listboxes
> containing many elements.  See the test case at:
> http://narita.mit.edu/ncam/firefox/xul/list.xul
>
> This simply creates a list of 1400 elements and displays it. This is a large
> list, but some pages (look at wikipedia's index pages) have many links, so
> handling lists of this number of elements is necessary.  There are two
> buttons, one just before the list and one just after to give the screen
> reader something to focus on which is not the list.  They are dummy
> placeholders and do nothing when clicked.
>
> What I notice is:
>
> focusing on the list and pressing down arrow - wait a long time before
> the screen reader responds and reads next item
> * I see this behavior with jaws, window-eyes, and NVDA under latest firefox.
> Have not been able to test with orca yet.
>
> Can anyone reproduce these results?  How does it act without a screen
> reader?
>
> Update: I just enlisted a sighted person to take a look, and she says that
> the page is extremely slow.  Can anyone else verify this?
>
> I did try an HTML page with many elements in Firefox and it works well.
>
> Thanx much.
> -- Rich
>
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