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Carousel pattern revisions based on today's meeting

From: Matt King <a11ythinker@gmail.com>
Date: Mon, 17 Dec 2018 20:41:34 -0800
To: <public-aria-practices@w3.org>
Message-ID: <01a001d4968b$f4931f10$ddb95d30$@gmail.com>
Hey all,

 

Thank you for the awesome carousel discussion today. I just pushed the
following changes to the feature branch:

 

*	Revised language throughout the pattern so that auto rotation is not
assumed.
*	Removed use of term "horizontally scroll".
*	Simplified wording of first paragraph.
*	In second paragraph about importance of rotation control:

*	Added sentence about properly hiding content.
*	Clarified description of auto rotate consequences.

*	Changed rotation control requirements list:

*	to unordered list.
*	to list essential elements first.
*	To put auto-rotation related requirements in conditional sublist.

*	In Terms, added slide to the definition list.
*	In keyboard requirements, added note saying to not move focus when
activating the prev/next/auto-rotate controls.
*	In states and properties, added optional aria-live guidance to basic
carousel section.

 

One question: In a grouped carousel, Should aria-disabled or aria-current be
used for the picker button that corresponds to the displayed slide. What I
have in the draft now is:

 

"The picker button representing the currently displayed slide has the
property aria-disabled set to true. Note: aria-disabled is preferable to the
HTML disabled attribute because this is a circumstance where screen reader
users benefit from the disabled button being included in the page Tab
sequence."

 

I was leaning toward aria-disabled because I am assuming that activating the
button probably does nothing. It's not like you can "reload" a slide. On the
other hand, this use case precisely fits the definition of aria-current.
Using both current and disabled at the same time would be quite verbose and
kind of overkill.

 

You can read the draft pattern at:

https://raw.githack.com/w3c/aria-practices/issue43-add-carousel-pattern/aria
-practices.html#carousel

 

Best,

Matt
Received on Tuesday, 18 December 2018 04:41:25 UTC

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