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Re: ACTION-263

From: Patrick H. Lauke <patrickl@opera.com>
Date: Thu, 04 Feb 2010 18:08:35 +0000
Message-ID: <4B6B0D23.3080200@opera.com>
To: UAWG list <w3c-wai-ua@w3.org>
Resending, in case it got lost in the aether...

On 04/02/2010 15:49, Patrick H. Lauke wrote:
> Guideline 3.1 Provide access to alternative content.
> 3.1.1 *** Discoverability *** of Alternative Content: Provide a global
> option for the user to *** receive visual or auditory cues in the
> presence of *** alternatives to rendered content (e.g. *** visual icons
> rendered in proximity of content which has *** short text alternatives,
> long descriptions, captions, *** and a mechanism for the user to access
> this alternative content ***).
> 3.1.2 Configurable Default Rendering: Provide the user with the global
> option to set which type of alternative to render by default *** and, in
> cases where the alternative content has different dimensions than the
> original content, how the layout/reflow of the document should be
> handled. *** (Level A)
> 3.1.3 Browse and Render: The user can browse the alternatives and render
> them according to the following (Level A):
> (a) synchronized alternatives for time-based media (e.g., captions,
> audio descriptions, sign language) can be rendered at the same time as
> their associated audio tracks and visual tracks, and
> (b) non-synchronized alternatives (e.g., short text alternatives, long
> descriptions) can be rendered as replacements for the original rendered
> content. If the new item has different dimensions, then a user option
> controls whether the dimensions of the original content are used
> ***(including an indication of, and accessible scrolling or expansion
> mechanism for, alternative content in cases where the alternatives
> exceed these original dimensions) *** or the dimensions of the new
> content, which will cause the document to reflow accordingly.
> 3.1.4 Available Programmatically: If an alternative *** is contained in
> the current document (e.g., a short text alternative, not requiring an
> additional server request) ***, then it is available programmatically,
> even when not rendered. (Level A) @@@ this may need further rewording,
> but I think it's more in line with what we mean? not just limited to
> plain text? @@@
> 3.1.5 Rendering Alternative (Enhanced): Provide the user with the global
> option to configure a cascade of types of alternatives to render by
> default, in case a preferred type is unavailable. (Level AA) @@@ does
> this need repeating the "if different dimensions" bit? it should already
> be covered by Level A requirements above @@@

Patrick H. Lauke

Web Evangelist
Developer Relations Team
Opera - http://www.opera.com
Received on Thursday, 4 February 2010 18:09:22 UTC

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