[Accessibility] Reviewing IAccessible2 & working to ensure that AT-SPI and IAccessible2 evolve in mutually compatible ways

Willie Walker William.Walker at Sun.COM
Wed Sep 24 05:34:31 PDT 2008

Thanks Li!

I brought the collections API difference up with Pete Brunet, and the 
response is that Windows-based AT actions are done "in process" as 
opposed to over-the-wire like AT-SPI.  As such, the improved efficiency 
benefits of the Collections API aren't needed.


On Sep 24, 2008, at 4:24 AM, Li Yuan wrote:

> Peter Korn wrote:
>> Dear Pete, Li, and the Open Accessibility community,
>> During the con-call earlier today, we discussed the upcoming vote on
>> IAccessible2.  During the discussion, we understood that we had
>> essentially these two goals for the two accessibility interfaces with
>> respect to eachother:
>>   1. We would like to ensure that AT-SPI and IAccessible2 evolve going
>>      forward in a way that is as compatible/aligned as possible, in
>>      order to
>>   2. We would like it to be as easy as possible for cross-platform 
>> apps
>>      (e.g. OpenOffice, Firefox/Mozilla, KDE & GNOME generally) to be
>>      accessible on multiple platforms (Windows via IAccessible2 & UNIX
>>      via AT-SPI) with the minimum of additional work
>> While Willie has provided some review and feedback to the list (which
>> has been discussed via e-mail), we felt it would be good for the
>> AT-SPI maintainer (Li Yuan) to also provide his review & feedback -
>> especially given the goals of helping ensure that evolution of these
>> two accessibility frameworks were as compatible/aligned as is
>> reasonable to do.  I also suggested that it would be helpful - again
>> in service of these goals - to have a summary of the changes made and
>> the reasons for the changes in IAccessible2 since it branched from the
>> UNO Accessibility framework from which it came.
>> To that end, Pete - could you please produce such a summary for
>> IAccessible2?  Likewise, Li - can you summarize the key
>> changes/additions to AT-SPI over the last 2 years, and what they were
>> in service of?
>  From interface side, the key change for at-spi in the past 2 years is
> collection interface.
>> I think with these summaries (and with your review of Pete's summary
>> and the IAccessible2 spec. Li), we will be in a good place to both
>> vote on IAccessible2 becoming a formal specification of the Open A11y
>> group and also to ensure that both specifications continue to evolve
>> in compatible ways.
> I am glad to. But it may take some time. I am working on other
> accessibility issues now.
> Thanks,
> Li
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