Re: [orca-list] Firefox, orca and aria dialogs

[Joanmarie Diggs <jdiggs igalia com>]

Hi again.

Regarding javascript alerts: Bogus object is in the hierarchy. Just
filed a bug for that: https://bugzilla.mozilla.org/show_bug.cgi?id=1422345.

I'll look at the example dialog you cited in a bit.
--joanie

On 12/01/2017 10:25 AM, Peter Vágner wrote:
> Hello,
>
> I have spent some two days trying to create a working accessible dialog
> using React JS for the riot.im web based matrix client.
> I would like this dialog to:
> - Have title, description, one or more buttons.
> - move focus to the primary button when it shows
> - be fully reported when used with a screen reader.
>
> To be fully reported when used with a screen reader means that its title
> and its description should be announced via text to speech and / or
> presented in braille as appropriate.
>
> The dialog is created as a div element within a DOM subtree. The container
> element has aria-labelledby and aria-describedby pointing to other nodes
> where there is the dialog label and a description inside. These nodes are
> another divs with some text inside.
> When the dialog is created focus is automatically placed to the appropriate
> button by calling the focus() method on a corresponding DOM node.
> This is created using React so visibility is not manipulated nor
> aria-hidden is used. It is loaded asynchronously using webpack and then
> rendered into the DOM the way Reac does its magic.
>
> Results: the dialog title (content that is associated with a dialog element
> via aria-labelledby) is read correctly. However the description is not.
>
> Originally I have assumed this might be a problem on my part as I have
> found out if I try to render multiple such dialogs one after the other the
> second instance is read correctly with orca.
> Additionally I have found out one accessible test case here:
> http://www.oaa-accessibility.org/example/2/
> So I have tried to get an inspiration from that, rewrote my react component
> in a way that it creates a hidden dialog, it then shows it and finally
> moves the focus but still this is not working like it should. Only the
> dialog title is reported for me when focusing into such dialog.
>
> Finally I have discovered all dialog windows are not reported with Firefox
> 57 and Orca or Firefox 59 and Orca.
> Even simple alert("blablabla"); that is under a browser control is not
> reported correctly by orca.
>
> Can you please test out possible aria dialogs on the web or inside some
> real apps and help me to find a clue?
>
> I am afraid something is wrong with Firefox vs at-spi vs orca interaction,
> but I am unable to find that out.
>
> Greetings
>
> Peter
>
>
>
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