Re: [orca-list] slow tree views

[Krishnakant <krmane openmailbox org>]

On Wednesday 26 October 2016 10:32 PM, Peter Vágner wrote:
> Hello,
>
>
> Thunderbird message list is originally an XUL control at the mozilla 
> side of things. However at the orca side of things it's also a table.
>
> Might your fix help with this issue no one can shed more light on?
>
> https://bugzilla.mozilla.org/show_bug.cgi?id=924915#c24
>
>
> Greetings
>
>
> Peter

I have been looking closely at Orca source code off late and trying to 
study it.
As Peter rightly said, that's exactly the case and for me, the Orca side 
is pretty much neutral on this.
So my guess is that this would help a lot in speeding up things, unless 
TB sends some thing very specific for screen readers to make an exception.
Happy hacking.
Krishnakant.

> On 26.10.2016 at 17:54 Mike Gorse wrote:
> > Hi all,
> >
> > While trying to fix evolution slowness with very large address books 
> > for my day job, I noticed that orca was also getting bogged down. I'm 
> > wondering if this has affected anyone else, with orca appearing to 
> > hang when focusing on a large tree view.
> >
> > There was a bug with AT-SPI's caching of roles, and orca thought that 
> > the tree view was just a panel and proceeded to poke through what 
> > might be thousands of cells. On the gtk side, the atk role was 
> > originally set to ATK_ROLE_PANEL and later set to ATK_ROLE_TABLE. An 
> > event was fired, but the event was not being sent over dbus so that 
> > orca would see it.
> >
> > I've fixed this in the master branch of at-spi2-atk, for anyone 
> > pulling from git. I'm debating whether to push this for 3.22.2 
> > (although the code now works as intended, I'm slightly worried that 
> > it might cause slowness elsewhere through event floods).
> >
> > If any of you test this, then I'd appreciate knowing whether it makes 
> > a difference either way.
> >
> > Thanks,
> > -Mike
> > _______________________________________________
> > orca-list mailing list
> > orca-list gnome org
> > https://mail.gnome.org/mailman/listinfo/orca-list
> > Orca wiki: https://wiki.gnome.org/Projects/Orca
> > Orca documentation: https://help.gnome.org/users/orca/stable/
> > GNOME Universal Access guide: 
> > https://help.gnome.org/users/gnome-help/stable/a11y.html
> > Log bugs and feature requests at http://bugzilla.gnome.org
>
> _______________________________________________
> orca-list mailing list
> orca-list gnome org
> https://mail.gnome.org/mailman/listinfo/orca-list
> Orca wiki: https://wiki.gnome.org/Projects/Orca
> Orca documentation: https://help.gnome.org/users/orca/stable/
> GNOME Universal Access guide: 
> https://help.gnome.org/users/gnome-help/stable/a11y.html
> Log bugs and feature requests at http://bugzilla.gnome.org