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Re: [Accessibility-ia2] Mapping of aria-errormessage for ATK/AT-SPI2 and IA2

From: James Teh <jamie@nvaccess.org>
Date: Wed, 24 Feb 2016 10:11:46 +1000
To: Cynthia Shelly <cyns@microsoft.com>, Joanmarie Diggs <jdiggs@igalia.com>
Cc: IA2 List <Accessibility-ia2@lists.linux-foundation.org>, ARIA Working Group <public-aria@w3.org>
Message-ID: <56CCF542.4050007@nvaccess.org>
Maybe, except that as far as a user is concerned, it is just extra 
descriptive text. Certainly, I don't see a point in handling it 
separately in NVDA as far as configuration goes. The aria-invalid state 
is enough to tell the user that this is an error.

Jamie

On 24/02/2016 10:07 AM, Cynthia Shelly wrote:
> I would prefer not to include it in name and description calculation. Too many things are getting added to the description, and it makes for a messy user experience.
>
> -----Original Message-----
> From: Joanmarie Diggs [mailto:jdiggs@igalia.com]
> Sent: Tuesday, February 23, 2016 3:20 PM
> To: James Teh <jamie@nvaccess.org>
> Cc: IA2 List <Accessibility-ia2@lists.linux-foundation.org>; ARIA Working Group <public-aria@w3.org>
> Subject: Re: [Accessibility-ia2] Mapping of aria-errormessage for ATK/AT-SPI2 and IA2
>
> Hey Jamie.
>
> Yeah, we have a description property which is a string. Right now, I don't have a strong feeling either way about whether aria-errormessage's text belongs as part of that value. So if you think it should be there in addition to exposed via the relationship pair, I don't mind.
>
> --joanie
>
> On 02/23/2016 06:03 PM, James Teh wrote:
>> Sounds great. I'm happy with this mapping.
>>
>> Would this message be included in the concatenated description string
>> for an object? I'm not sure if ATK has this, but in MSAA (and thus
>> IA2), you can call the accDescription property and it provides the
>> description as a string. Right now, that would include the text of
>> anything listed in aria-describedby. I think it *should* include the error message myself.
>>
>> Jamie
>>
>> On 24/02/2016 5:42 AM, Joanmarie Diggs wrote:
>>> Hey all.
>>>
>>> We need to map aria-errormessage on the various platforms, including
>>> ATK/AT-SPI2 and IA2. Given the ongoing desire for cross-platform
>>> homogeneity, I'll toss out what I was thinking for my platform for
>>> consideration by IA2 folks.
>>>
>>> Proposal: Connect the message to the element with the error via the
>>> RELATION_DESCRIBED_BY/RELATION_DESCRIPTION_FOR relation pair and
>>> expose "errormessage" as an object attribute.
>>>
>>> Rationale:
>>>
>>> 1. An error message provides descriptive information about an object.
>>>
>>> 2. Exposure via a relation eliminates the need to tree dive to find
>>>      the error.
>>>
>>> 3. Accessible relations can have multiple targets, so this exposure
>>>      does not stomp on a non-error description while at the same time
>>>      eliminating the need for each platform to create a new relation
>>>      type(s).
>>>
>>> 4. The object attribute is needed to identify which target (if any)
>>>      is an error message.
>>>
>>> Thoughts?
>>> --joanie
>>> _______________________________________________
>>> Accessibility-ia2 mailing list
>>> Accessibility-ia2@lists.linuxfoundation.org
>>> https://lists.linuxfoundation.org/mailman/listinfo/accessibility-ia2
>

-- 
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
Received on Wednesday, 24 February 2016 00:12:16 UTC

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