Re: [orca-list] slow tree views

[Peter Vágner <pvdeejay gmail com>]

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




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
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