[orca-list] a possible bug in the new list code

[kendell clark <coffeekingms gmail com>]

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hi all
I think I may have found a possible bug in the new list code. That is,
the code that causes orca to announce "list with x items". Steps to
reproduce. Open gnome's power settings and press tab until you land on
the power savings area.  Orca will report "power saving list with 7
items 1 of 7. Screen brightness slider x percent. If you use the where
am I key, you'll be told "1 of 7" if you press down arrow you'll land
on "dim screen when inactive toggle button" Press the where am I key
again. You'll hear 3 of 7. Using flat review, I see that an empty
label is being counted as a list item. Press the down arrow again.
You'll hear  "dim screen x minutes combo box" If you press the where
am I key again, you'll hear 4 of 7, which is correct. Press down arrow
one more time. You'll land on "bluetooth toggle button" Press the
where am I key. 7 of 7. I can't find any labels this time, or
separators. My only guess is that there are two items that are only
displayed if you have a wireless card in your computer, I don't. They
are, a label, "wireless devices require extra power", which would be 5
of 7, and "wifi toggle button", which controlls whether wifi is on or
not. That would be 6 of 7. These items are hidden so orca can't see
them, but they're still counted in the list. I'm not sure if this is
an orca problem or a gnome one, but would it be possible to refine the
list code so that it only lists items if they are there? Cutting out
blank labels and hidden controlls? I'm not sure if this is possible,
orca could just be getting the number of items from gnome and going
with it.
Thanks
Kendell clark
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