Re: New SC relating to notifications of content change (was Re: Some thinking around the orientation discussion)

oops "already covered in 4.1.1 " I meant 4.1.2

Cheers,
David MacDonald



*Can**Adapt* *Solutions Inc.*
Tel:  613.235.4902

LinkedIn
<http://www.linkedin.com/in/davidmacdonald100>

twitter.com/davidmacd

GitHub <https://github.com/DavidMacDonald>

www.Can-Adapt.com <http://www.can-adapt.com/>



*  Adapting the web to all users*
*            Including those with disabilities*

If you are not the intended recipient, please review our privacy policy
<http://www.davidmacd.com/disclaimer.html>

On Thu, May 12, 2016 at 9:42 AM, David MacDonald <david100@sympatico.ca>
wrote:

>
>
> >Every time you click a link you change content
> I'm not sure what this refers to... if it means the changed state from
> unvisited to visited then that's already covered in 4.1.1 and is
> accessibility supported, screen readers announce that state. If it refers
> to taking the user somewhere, then that is a change of *location* not a
> change of content.
>
> >Every time you click on a pull down menu
> Again this is a change of state, from expanded=false to true, and that is
> announced to the user if it is coded properly, and 4.1.2 requires it be
> coded properly to announce that state, and this is sufficient notification
> "navigation region expanded"
>
> >When you push down a button and it changes color before you lift it up
> the mouse?
> Again this is a change of state, and it already is required in 4.1.2
>
> There are questions to resolve with this SC but I *don't* think *these*
> are of concern.
>
>  Updating content is a significant problem on the modern web. One issue to
> solve is to decide on the requirements for changes that happen downstream
> from the control that changes them.  We may want to scope out  changes to
> "flow content"  when follows the button.
>
> Cheers,
> David MacDonald
>
>
>
> *Can**Adapt* *Solutions Inc.*
> Tel:  613.235.4902
>
> LinkedIn
> <http://www.linkedin.com/in/davidmacdonald100>
>
> twitter.com/davidmacd
>
> GitHub <https://github.com/DavidMacDonald>
>
> www.Can-Adapt.com <http://www.can-adapt.com/>
>
>
>
> *  Adapting the web to all users*
> *            Including those with disabilities*
>
> If you are not the intended recipient, please review our privacy policy
> <http://www.davidmacd.com/disclaimer.html>
>
> On Wed, May 11, 2016 at 7:24 PM, Gregg Vanderheiden <
> gregg@raisingthefloor.org> wrote:
>
>> There are a million things that change content.
>>
>> Little bitty changes.
>> Every time you click a link you change content
>> Every time you click on a pull down menu
>> When you push down a button and it changes color before you lift it up
>> the mouse?
>>
>> I think there may be a world of unintended consequence to introducing
>> something that requires warning with every change of content.
>>
>> Two questions.
>>
>>    1. what are the problems that real people are experiencing with real
>>    content that blocks them from using it
>>    2. have you thoroughly catalogued all the places where content
>>    changes for any reason - any amount
>>
>>
>> I think you will need to research and thoroughly document both before you
>> can
>> a) determine if the benefit outweighs the problems.
>> b) figure out if and how to word an SC that avoids the problems and is
>> still testable   (e.g. you can’t say “significant change in content” —
>> since an author would never know what an evaluator would consider
>> significant.
>>
>>
>> *gregg*
>>
>> On May 11, 2016, at 5:39 PM, David MacDonald <david100@sympatico.ca>
>> wrote:
>>
>> I've taken stab at tweaking the SC proposal to address Gregg's concern
>> about "User awareness". I borrowed the language from Programatically
>> Determined, and created a new glossary item called "Programmatic
>> notification".
>>
>> SC x.x.x Change of content: Programmatic notification is provided for
>> changes in content that either conveys information or indicates an action
>> was taken, whether these changes are made by auto updates or as a result of
>> user action. (Level AA)
>>
>> Definition of "Programmatic notification": Notification by software from
>> data provided in a user-agent-supported manner such that the user agents
>> can extract and present this notification to users in different modalities,
>> without futher action by the user, beyond activating the control which
>> caused the change.
>>
>> I've updated the Understanding to add Sailesh's examples when this
>> applies and his distinction between notification of content... and changes
>> that can be conveyed by notification of change of states, properties and
>> values required in 4.1.2.
>> The proposal is here:
>>
>> https://www.w3.org/WAI/GL/mobile-a11y-tf/wiki/Proposed_SC_on_information_added_or_removed_from_a_page#Proposed_3.4.1
>>
>> Cheers,
>> David MacDonald
>>
>>
>> *Can**Adapt* *Solutions Inc.*
>> Tel:  613.235.4902
>> LinkedIn
>> <http://www.linkedin.com/in/davidmacdonald100>
>> twitter.com/davidmacd
>> GitHub <https://github.com/DavidMacDonald>
>> www.Can-Adapt.com <http://www.can-adapt.com/>
>>
>>
>> *  Adapting the web to all users*
>> *            Including those with disabilities*
>>
>> If you are not the intended recipient, please review our privacy policy
>> <http://www.davidmacd.com/disclaimer.html>
>>
>> On Wed, May 11, 2016 at 4:41 PM, Patrick H. Lauke <redux@splintered.co.uk
>> > wrote:
>>
>>> On 11/05/2016 21:33, Sailesh Panchang wrote:
>>>
>>>> "User awareness" is  used in the same manner as is used in the
>>>> glossary explaining "change of context". Any other alternative
>>>> wording?
>>>> The SC will need a note to clarify that this does not apply to links
>>>> and such  listed in the exclusions listed  in that email.
>>>>
>>>
>>> Ditto for "regular" forms, whose submit action would reload the current
>>> page / load another page.
>>>
>>> Would the exclusion be, in very broad strokes, along the lines of
>>> "unless the change in content as a result of user action is expected and
>>> follows standard behavior (e.g. activation of a link resulting in a new
>>> webpage being loaded)" or similar?
>>>
>>>
>>> P
>>> --
>>> Patrick H. Lauke
>>>
>>> www.splintered.co.uk | https://github.com/patrickhlauke
>>> http://flickr.com/photos/redux/ | http://redux.deviantart.com
>>> twitter: @patrick_h_lauke | skype: patrick_h_lauke
>>>
>>>
>>>
>>
>>
>

Received on Thursday, 12 May 2016 13:45:20 UTC