- From: Alexander Surkov <surkov.alexander@gmail.com>
- Date: Wed, 19 Nov 2014 14:58:58 -0500
- To: Matthew King <mattking@us.ibm.com>
- Cc: Joseph Scheuhammer <clown@alum.mit.edu>, "W3C WAI Protocols & Formats" <public-pfwg@w3.org>
- Message-ID: <CA+epNsfreXx6v8-d+tok_PN0_fW9KqOS1BX8ZBUJH65btv298w@mail.gmail.com>
Oh, so displayed is in relation to the document/page/panel the current link/tab/etc is for. This makes sense but might be found also confusing I guess. On Wed, Nov 19, 2014 at 2:52 PM, Matthew King <mattking@us.ibm.com> wrote: > Alex wrote: > > displayed sounds like visible with me, something on the screen > > Matthew King <mattking@us.ibm.com> wrote: > > Yes, that is the understanding we want to convey, right? > > Alex wrote: > > Not sure. What about navigation links when all of them are presented and > only one of them is "current"? > > Matt's response: > Use case: You have a list of 5 nav links ("page 1", "page 2", ... "page > 5") in a nav element. The link for "page 1" has been activated so that > page is displayed in the main content. The anchor for "page 1" has > aria-displayed="true". When reading the content of the nav element, the > screen reader user would hear something like "Link page 1 displayed". > > Matt King > IBM Senior Technical Staff Member > I/T Chief Accessibility Strategist > IBM BT/CIO - Global Workforce and Web Process Enablement > Phone: (503) 578-2329, Tie line: 731-7398 > mattking@us.ibm.com > > > > From: Alexander Surkov <surkov.alexander@gmail.com> > To: Matthew King/Fishkill/IBM@IBMUS, > Cc: Joseph Scheuhammer <clown@alum.mit.edu>, "W3C WAI Protocols & > Formats" <public-pfwg@w3.org> > Date: 11/19/2014 11:28 AM > Subject: Re: ACTION-1442: Draft spec text for aria-current and > aria-currentfor > ------------------------------ > > > > Not sure. What about navigation links when all of them are presented and > only one of them is "current"? > > On Wed, Nov 19, 2014 at 2:15 PM, Matthew King <*mattking@us.ibm.com* > <mattking@us.ibm.com>> wrote: > Alex wrote: > > displayed sounds like visible with me, something on the screen > > Yes, that is the understanding we want to convey, right? > > Matt King > IBM Senior Technical Staff Member > I/T Chief Accessibility Strategist > IBM BT/CIO - Global Workforce and Web Process Enablement > Phone: *(503) 578-2329* <%28503%29%20578-2329>, Tie line: 731-7398 > *mattking@us.ibm.com* <mattking@us.ibm.com> > > > > From: Alexander Surkov <*surkov.alexander@gmail.com* > <surkov.alexander@gmail.com>> > To: Matthew King/Fishkill/IBM@IBMUS, > Cc: Joseph Scheuhammer <*clown@alum.mit.edu* <clown@alum.mit.edu>>, > "W3C WAI Protocols & Formats" <*public-pfwg@w3.org* <public-pfwg@w3.org>> > Date: 11/19/2014 11:12 AM > Subject: Re: ACTION-1442: Draft spec text for aria-current and > aria-currentfor > ------------------------------ > > > > displayed sounds like visible with me, something on the screen > > On Wed, Nov 19, 2014 at 1:57 PM, Matthew King <*mattking@us.ibm.com* > <mattking@us.ibm.com>> wrote: > After further work and thought, I am still questioning the name. > Couldn't we create greater clarity and understanding by calling this > aria-displayed? > > 1. When it comes to screen reader users, if I heard "displayed", I think I > would more easily figure out what it means. > > 2. When it comes to authors, I would think it would be much easier to > understand the difference between displayed and selected vs current and > selected. > > 3. I also would not be surprised if "displayed" resulted in more accurate > translations by vendors of non-english screen readers. > > I understand there is apossibility it would more narrowly scope its > application, but that could be a really good thing when it comes to > creating clarity. However, I have not yet heard of a use case where the > meaning was not synonomous with "displayed". > > Matt King > IBM Senior Technical Staff Member > I/T Chief Accessibility Strategist > IBM BT/CIO - Global Workforce and Web Process Enablement > Phone: *(503) 578-2329* <%28503%29%20578-2329>, Tie line: 731-7398 > *mattking@us.ibm.com* <mattking@us.ibm.com> > > > > From: Matthew King/Fishkill/IBM@IBMUS > To: Joseph Scheuhammer <*clown@alum.mit.edu* <clown@alum.mit.edu>>, > > Cc: *public-pfwg@w3.org* <public-pfwg@w3.org> > Date: 11/19/2014 10:22 AM > Subject: Re: ACTION-1442: Draft spec text for aria-current and > aria-currentfor > ------------------------------ > > > > Revisions to yesterday's proposal: > > 1. Clarified that false and undefined are equivalent and false is the > default. > > 2. Clarified that UA should not expose and AT should not convey false or > undefined. > > In the following text, phrases in square brackets are intended to be > links. > > Aria-current attribute > > Indicates an element represents the current item within a container or set > of related elements. > > The aria-current attribute indicates whether an element represents what is > current (true), or not current (false). If the aria-current attribute is > false or undefined, User Agents SHOULD NOT expose the aria-current state of > an element, and assistive technologies SHOULD NOT convey it. > > The aria-current attribute is used when one of the elements in a set of > related elements has a visual style different from other members in the set > to indicate that the element identifies what is current. For example, it > can be used to indicate which [link] in a set of [navigation] links is > visually styled to indicate that it is the link for the currently displayed > page. Similarly, it can be used to indicate which step in a [list] of > wizard steps is visually styled to inform the user that the currently > displayed wizard content is for that step. > > Note: > When applied to an element contained in a widget that supports selection, > the meaning of aria-current is different from the meaning of > [aria-selected]. Authors should not use aria-current in lieu of > aria-selected and should avoid using aria-current in circumstances where > the meaning of aria-current would be the same as aria-selected. For > example, in a single-select [tablist] where the selected [tab] element > corresponds to the displayed tabpanel, aria-current is unnecessary. > However, if the selected state of a tab is used to indicate which tab is > selected for an action, such as move, delete, or display (make current), > then aria-current should be used to indicate which tab represents the > currently displayed tabpanel. Examples that further explain how to use > aria-current and aria-selected are available in the [WAI-ARIA Authoring > Practices]. > > Characteristics of aria-current > > Used in roles: All elements of the base markup. > > Value: true/false > > Values of aria-current > > true: The element is current. > false (default): The element is not current > > Matt King > IBM Senior Technical Staff Member > I/T Chief Accessibility Strategist > IBM BT/CIO - Global Workforce and Web Process Enablement > Phone: *(503) 578-2329* <%28503%29%20578-2329>, Tie line: 731-7398 > *mattking@us.ibm.com* <mattking@us.ibm.com> > > > > From: Joseph Scheuhammer <*clown@alum.mit.edu* <clown@alum.mit.edu> > > > To: Matthew King/Fishkill/IBM@IBMUS, Joseph Scheuhammer < > *clown@alum.mit.edu* <clown@alum.mit.edu>>, > Cc: *public-pfwg@w3.org* <public-pfwg@w3.org> > Date: 11/19/2014 09:58 AM > Subject: Re: ACTION-1442: Draft spec text for aria-current and > aria-currentfor > ------------------------------ > > > > LĂ©onie, Matt, > > Thanks for your clarifications. > > > So, what is the best way to write the text so the undefine/false > > equivalency is clear? > > For the "Values" table, how about: > > "false (default): The element is not current. > true: The element is current." > > I'm following the style of the value tables for other boolean aria-* > attributes. For example, see the table for aria-disabled > (*http://rawgit.com/w3c/aria/master/aria/aria.html#aria-disabled* > <http://rawgit.com/w3c/aria/master/aria/aria.html#aria-disabled>). > > Similarly, for the "Value" entry in the "Characteristics" table: > > "Value: true/false" > > Also, given that "conveyed by User Agents" has to do with the > accessibility API, I suggest this re-wording: > > "If the aria-current attribute is false or undefined, User Agents SHOULD > NOT expose the aria-current state of an element, and assistive > technologies SHOULD NOT convey it." > > Hope that helps. > > -- > ;;;;joseph. > > 'Array(16).join("wat" - 1) + " Batman!"' > - G. Bernhardt - > > > > > >
Received on Wednesday, 19 November 2014 19:59:25 UTC