RE: Keyboard & Youtube and Pause Stop Hide

Oops, meant to share with list as well.


From: Bourne, Sarah (ITD)
Sent: Thursday, March 29, 2012 11:21 AM
To: 'Pierre Frederiksen'
Subject: RE: Keyboard & Youtube and Pause Stop Hide

Pierre,

>From a narrow, technical perspective, if the slideshow stays paused, even when the focus moved elsewhere, then it would meet the criteria. But from a usability perspective, it's a bit of a problem. How would a user know that they could pause it, or what they would have to do? I would say that the intent of the requirement is not being met if an explicit "pause" control is not available, because that is how most users will perceive it.

Another option for a compliant video player is the one developed by Nomensa, which they have released as open source: http://www.nomensa.com/about/news-items/nomensas-open-source-accessible-media-player-govuk Here is an example of it that includes the new closed captioning support: http://tink.co.uk/2011/07/how-do-aria-landmark-roles-help-screen-reader-users/

sb

Sarah E. Bourne
Director of Assistive Technology &
Mass.Gov Chief Technology Strategist
Information Technology Division
Commonwealth of Massachusetts
1 Ashburton Pl. rm 1601 Boston MA 02108
617-626-4502
sarah.bourne@state.ma.us<mailto:sarah.bourne@state.ma.us>
http://www.mass.gov/itd

From: Pierre Frederiksen [mailto:Pierre.Frederiksen@visionaustralia.org]
Sent: Wednesday, March 28, 2012 1:10 AM
To: w3c-wai-ig@w3.org
Subject: Keyboard & Youtube and Pause Stop Hide

Hi

I would be great to hear your opinion on these two (finer?) points regarding WCAG 2.0 conformance:

2.1.1 Keyboard
Currently the standard Flash YouTube player is not keyboard accessible in Firefox, Chrome and Safari. Only Internet Explorer provides keyboard access to the content.
Does this mean that the standard YouTube player fails this Success Criteria or is this a question of browser capability and not the responsibility of content creators?
The Flash technique for providing keyboard access
www.w3.org/WAI/GL/2010/WD-WCAG20-TECHS-20100708/flash.html#FLASH17<http://www.w3.org/WAI/GL/2010/WD-WCAG20-TECHS-20100708/flash.html#FLASH17>
only works for Firefox

2.2.2 Pause, Stop, Hide
Consider a slide show that automatically changes the slide and does so continually until the user intervenes. The slideshow contains buttons that can be used to change to each of the slides (e.g. buttons 1,2,3,4,5)
Should an explicit pause button (either with the word Pause or with the pause symbol) be provided, or is it sufficient if the slideshow stops the automatic movement as soon as one of the slide selector buttons has been clicked?

The WCAG "Understanding" document states:

"For a mechanism to be considered "a mechanism for the user to pause," it must provide the user with a means to pause that does not tie up the user or the focus so that the page cannot be used. The word "pause" here is meant in the sense of a "pause button" although other mechanisms than a button can be used. Having an animation stop only so long as a user has focus on it (where it restarts as soon as the user moves the focus away) would not be considered a "mechanism for the user to pause" because it makes the page unusable in the process and would not meet this SC."


*         It states that 'other mechanisms" than a button can be used.

*         The reason that the focus solution is rejected is not that is doesn't have an explicit pause button, but that is unusable (because if you focus on other content the slideshow starts again).
So you would think that if the slideshow stops once one of the slide selector buttons has been pressed it is OK?

Thanks heaps
Cheers
Pierre



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