Hi Rich,
This is certainly how Firefox exposes it, except that Firefox also
exposes the checkable state, which is a related (but separate) issue.
This option certainly makes sense.
The alternative is to use a role of button and introduce a pressable
state or document that the checkable state on buttons actually means
pressable.
I don't mind which from a principle standpoint, but it would seem the
former will have less impact, given that Firefox is already doing it.
Jamie
On 26/02/2014 9:29 AM, Richard Schwerdtfeger wrote:
Jamie,
In ARIA you apply aria-pressed=true or aria-pressed=false it will
become a toggle button. From the implementation guide should we say
something about the pressed state.
IAccessible2: If _aria-pressed_
http://www.w3.org/TR/2014/PR-wai-aria-20140206/states_and_properties#aria-pressed
is
not *undefined*, it *SHOULD* be exposed as IA2_ROLE_TOGGLE_BUTTON
IOW if you are ever to use a pressed state then you should change the
role to IA2_ROLE_TOGGLE_BUTTON
Cheers,
Rich
Rich Schwerdtfeger
Inactive hide details for James Teh ---02/20/2014 05:50:12 PM---Further
to this, the IA2 spec recommends using ROLE_SYSTEM_PUSHJames Teh
---02/20/2014 05:50:12 PM---Further to this, the IA2 spec recommends
using ROLE_SYSTEM_PUSHBUTTON. The problem with this is tha
From: James Teh ja...@nvaccess.org
To: accessibility-ia2@lists.linuxfoundation.org
Date: 02/20/2014 05:50 PM
Subject: Re: [Accessibility-ia2] IA2_ROLE_TOGGLE_BUTTON is not recommend
by spec
Sent by: accessibility-ia2-boun...@lists.linuxfoundation.org
Further to this, the IA2 spec recommends using ROLE_SYSTEM_PUSHBUTTON.
The problem with this is that it's not possible to tell whether the
button can be toggled when it is not pressed. That is, you can't tell
whether it's just a normal button that can't be toggled or whether it's
a button that can be toggled (pressed or not pressed).
Jamie
On 21/02/2014 12:15 AM, Alexander Surkov wrote:
Hi. IA2 spec doesn't recommend to use TOGGLE_BUTTON role [1]:
BRBNote:/B IA2_ROLE_TOGGLE_BUTTON should not be used. Instead,
use MSAA's
ROLE_SYSTEM_PUSHBUTTON and STATE_SYSTEM_PRESSED.
However it's in use in Firefox for years [2]. Note, ATK's toggle button
doesn't have similar wording.
Is there any particular reason of this wording?
Thank you.
Alexander.
[1]
http://accessibility.linuxfoundation.org/a11yspecs/ia2/api/AccessibleRole.idl
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=390284
[3] https://developer.gnome.org/atk/unstable/AtkObject.html
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