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Re: Where we stand on Animations SC #18

From: Alastair Campbell <acampbell@nomensa.com>
Date: Wed, 16 Aug 2017 14:12:05 +0000
To: "Repsher, Stephen J" <stephen.j.repsher@boeing.com>, David MacDonald <david@can-adapt.com>
CC: WCAG <w3c-wai-gl@w3.org>
Message-ID: <81A1BE31-8A33-4362-AF51-AB4A4F03337E@nomensa.com>
Hi Stephen,

> As written, I don’t think this scopes out scrolling marquees since there’s obviously motion there.  I’m guessing you also want to exclude little things like a spinning coin?  Or would that be dependent on size?

That’s a good point, I shouldn’t have used that as an example. We want to ignore the size/timing aspects we had in the term ‘significant’ when at AAA.

The core idea at AAA is to keep it simple and movement/size based (rather than colour or blinking). In discussions of this in a CSS context the terms are generally “motion” oriented, and the media-query is called “reduced-motion”.

In fact, scaling could be seen as a type of motion, which could be called movement, so perhaps the simplest is:
“For non-essential movement triggered by a user action, there is a mechanism to prevent the movement and still perform the action.“

Does that work better? Personally I find ‘motion’ more straightforward but I have a CSS bias.

These are all terminology optimisations around the core idea, so hopefully not a big deal to change.

Received on Wednesday, 16 August 2017 14:12:31 UTC

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