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Re: [Accessibility-ia2] IA2 Role Landmark

From: Alexander Surkov <surkov.alexander@gmail.com>
Date: Tue, 23 Feb 2016 15:38:44 -0500
Message-ID: <CA+epNsfMicWobzJnW1KKbXU9xSyBn+ZELy1XNxQLBKgvnNY2tQ@mail.gmail.com>
To: Rich Schwerdtfeger <richschwer@gmail.com>
Cc: Joanmarie Diggs <jdiggs@igalia.com>, James Teh <jamie@nvaccess.org>, Joseph Scheuhammer <clown@alum.mit.edu>, IA2 List <Accessibility-ia2@lists.linux-foundation.org>, ARIA Working Group <public-aria@w3.org>
I'm totally up to keep APIs in sync but if no one is going to use the
feature, then there's no much benefit of implementing it. I defer to Jamie
on this.

As a side note, it sounds a bit wired that the assistive technologies on
Windows have to support a new role to make Orca faster. Please don't get me
wrong, I'm exited to have fast Orca, but I feel there's something wrong
with the approach.

On Tue, Feb 23, 2016 at 3:16 PM, Rich Schwerdtfeger <richschwer@gmail.com>
wrote:

> Copy what Joanie stated. This would also help as we start moving toward a
> common api in ARIA 2.0.
>
> I would prefer that platforms diverge less. It sounds like it will not
> break anything for you.
>
> Rich
>
>
> Rich Schwerdtfeger
>
>
>
>
> On Feb 23, 2016, at 12:34 PM, Joanmarie Diggs <jdiggs@igalia.com> wrote:
>
> Hey Jamie.
>
> At least on my platform, getting all of the ROLE_LANDMARK objects (e.g.
> for a list of landmarks dialog) via AtspiCollection is a lot more
> performant than getting all the elements and then filtering out the
> non-landmarks (99-100% of the set) via object attribute. The xml-roles
> value remains useful for those cases where it matters what type of
> landmark a particular element happens to be.
>
> If you don't have a similar advantage on your platform, then I guess the
> justification is the desire to keep our completely different platforms
> as aligned as possible. And if you accept ROLE_LANDMARK, the next time
> one of us has to compromise/give in, it will be my turn. <grins>
>
> --joanie
>
> On 02/22/2016 08:37 PM, James Teh wrote:
>
> Hi Rich,
>
> I don't necessarily have an objection to introducing a new role, but I
> also don't quite follow the justification.
>
> I follow that region became a subclass of landmark. However, I don't
> follow how this changes the "landmark" role; if anything, it changes the
> "region" role. And even then, the region role never had its own IA2 role
> in the first place. Furthermore, since we have to look at xml-roles
> anyway (as we always have, despite my objection years ago, but that's an
> entirely different story), I don't follow how the landmark role is useful.
>
> I'm sure I'm missing something here. Can you enlighten me? :)
>
> Thanks,
> Jamie
>
> On 20/02/2016 9:37 AM, Richard Schwerdtfeger wrote:
>
> Hi Alex,
>
> I am following up on this earlier discussion regarding needing an
> IA2_LANDMARK_ROLE
>
>
> http://lists.linuxfoundation.org/pipermail/accessibility-ia2/2016-January/001993.html
>
>
> A fundamental change from ARIA 1.0 is we now have the role “region” as
> a descendant of a role of landmark:
>
> https://www.w3.org/TR/wai-aria-1.1/#region
>
>
> So, this is the revised set of landmarks:
>
> https://www.w3.org/TR/wai-aria-1.1/#landmark_roles
>
> The reason for this is developers have been using labelledy regions as
> landmarks and in HTML5 we now have a section landmark which will
> default to a role of “region” if it has a label on it.
>
> Given this change we would like this a new IA2_ROLE_LANDMARK that
> matches the landmark role we now have in ATK/ATSPI. The xml-roles
> attribute would take the value of the actual role as we know.
>
> Is there any objection to introducing this new role in IA2?
>
> We are trying to lock down ARIA 1.1 and this is one of the issues we
> need to address.
>
> Thanks,
>
> Rich
>
>
>
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>
> --
> James Teh
> Executive Director, NV Access Limited
> Ph +61 7 3149 3306
> www.nvaccess.org
> Facebook: http://www.facebook.com/NVAccess
> Twitter: @NVAccess
> SIP: jamie@nvaccess.org
>
>
>
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>
>
>
>
Received on Tuesday, 23 February 2016 20:39:13 UTC

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