Re: [orca-list] Orca 2.24.4 and file manager dialogues

[Steve Holmes <steve holmes88 gmail com>]

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Thanks Will, for the explanation.  It sounds like I should be sticking
to the icon view for the time being and only open a vertical list view
when I really need it.  I guess if some program spiews a bunch of
events, there isn't a lot we can do about it at that point. <sigh>

On Mon, Mar 09, 2009 at 09:41:40AM -0400, Willie Walker wrote:
> Hi Steve:
>
> The performance problems are kind of on both sides. Nautilus ends up  
> spewing a bunch of events to Orca when it is populating the list.  This  
> causes some degradation in the AT-SPI infrastructure and can slow down  
> the whole desktop.  Orca then needs to process all these events, slowing 
> Orca down and potentially slowing down the desktop even more if Orca 
> needs to make queries back to Nautilus for each event.
>
> We could potentially try to make some improvements in Orca to ignore  
> these events, but I've not really been able to figure out a graceful way 
> to do so yet.  It may be quite obvious, but I haven't been able to  
> dedicate a lot of time to looking at the problem yet.  On the Nautilus  
> side, they might be able to prevent the event storm from happening in  
> the first place, but it might interfere with some UI design they have in 
> place (e.g., visually populating the window at the same time it is  
> analyzing the contents of the directory).
>
> Will
>
> On Mar 9, 2009, at 4:37 AM, Steve Holmes wrote:
>
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> > I think the default view is icon for all directories but it remembers
> > which folders specifically you went into if you changed views.  Ctrl-1
> > chooses icon view and ctrl-2 chooses the vertical list view.  I don't
> > think these changes affect open and save dialogs.  I haven't generally
> > run into a lot of latency with open and save dialogs but I hadn't
> > really paid a lot of attention to that situation either.
> >
> > I still wonder if Orca has anything to these major performance hits or
> > if it is Nautilus whether Orca is running or not.
> >
> > On Sun, Mar 08, 2009 at 11:53:37PM -0400, Dave Hunt wrote:
> > > I can try changing to Icon view, thanks.
> > >
> > > Would this effect file listings generated by "open" and "save-as" type
> > > dialogues?  How would I make this change global and persistent?
> > >
> > >
> > > Thanks,
> > >
> > >
> > > Dave
> > >
> > >
> > >
> > >
> > > On Mar 8, 2009, at 11:16 PM, Steve Holmes wrote:
> > >
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> > > > I don't know if this is the same problem or not but I've noticed all
> > > > along with Nautilus that if you use the listview mode for listing
> > > > files that very large listings take an inordinate length of time to
> > > > become available and Orca hangs during that waiting period.  If you
> > > > open the same directory in icon view instead, it opens up much
> > > > faster.  This is something I have never liked about Nautilus.
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