- From: david bolter <david.bolter@gmail.com>
- Date: Tue, 04 Feb 2014 21:48:13 +0000
- To: Mark Sadecki <mark@w3.org>
- Cc: HTML A11Y TF Public <public-html-a11y@w3.org>, "public-canvas-api@w3.org" <public-canvas-api@w3.org>, David Bolter <dbolter@mozilla.com>
- Message-ID: <CAEO7jQCxjpy4qZj311fdbRGkidqTPNK4-gVA-Kvt5NvFnxq++A@mail.gmail.com>
Hi all, On 2/4/2014, 10:20 AM, Mark Sadecki wrote: > DB: It appears as though there was a reaction to the discussion > at Mozilla. I was surprised that Dominic withdrew his support. > ... need to ask him. I connected with Dominic. Neither drawFocus* nor hit-region approaches are off the table. The withdrawal of the intent to ship email on blink-dev seems to be a prudent thing to do while we take a fresh look at hit regions over the next week(s). While solving canvas a11y has quite a history I'm hopeful we'll get implementer consensus on the way forward before too much longer. Cheers, David On Tue, Feb 4, 2014 at 10:20 AM, Mark Sadecki <mark@w3.org> wrote: > Hello, > > The minutes for the Canvas Accessibility Sub Group Teleconference 03 > February 2014 are available in HTML and plain text below. Supporting > information for this Sub Group can be found on the wiki: > http://www.w3.org/WAI/PF/HTML/wiki/Canvas > > HTML: http://www.w3.org/2014/02/03-html-a11y-minutes.html > > TEXT: > [1]W3C > > [1] http://www.w3.org/ > > Canvas Accessibility Sub-Group Teleconference > > 03 Feb 2014 > > See also: [2]IRC log > > [2] http://www.w3.org/2014/02/03-html-a11y-irc > > Attendees > > Present > Mark Sadecki, Rich Schwerdtfeger, Jay Munro, David > Bolter, Jatinder Mann, Mike Smith > > Regrets > Chair > Mark Sadecki > > Scribe > Mark Sadecki > > Contents > > * [3]Topics > 1. [4]Concerns raised by Mozilla > 2. [5]When Canvas can go back to LC > 3. [6]Next Meeting > * [7]Summary of Action Items > __________________________________________________________ > > <trackbot> Date: 03 February 2014 > > <scribe> Meeting: Canvas Accessibility Sub-Group Teleconference > > <scribe> scribe: MarkS > > Concerns raised by Mozilla > > DB: It appears as though there was a reaction to the discussion > at Mozilla. I was surprised that Dominic withdrew his support. > ... need to ask him. Want to give Alex and Rik some space to > explore hit regions > > [8]https://bugzilla.mozilla.org/show_bug.cgi?id=958241 > > [8] https://bugzilla.mozilla.org/show_bug.cgi?id=958241 > > DB: worried that the AAPI doesn't have enough info about > siblings and children, etc. > > RS: I understand that info gets stored in the layout engine, > and in the AAPI. If you do average scrolling, the info get > updated. The issue we had was if the viewport needed to be > scrolled into view, which we handled in our spec changes > ... When the discussion was happening, Zynga was not pleased > with hit testing approach. They wanted something "fuzzier" > ... they wanted to modify the actually hit or trigger area > ... when hit testing was put into the spec, Microsoft didn't > have a chance to review it. It was later taken out. So we > focused on the drawSystemFocusRing, now drawFocusIfNeeded > approach to handle a11y. > ... in order for hit regions to work, we have to work on Path > as well. Most of this is Canvas L2 stuff. > > DB: Who is responsible for storing the current path > > ? > > RS: its the object, the canvas object. > ... I think the drawFocusIfNeeded and Hit Regions need to > coexist > > DB: It could cause a problem, I don't know. > > RS: If we do implement hit regions, we could say that it > overrides any drawFocusIfNeeded processing. > > DB: right one would need priority > ... we wanted to explore hit testing. if it doesn't work out, > we wanted to consider focus outline as a backup > ... if hit testing goes really well, we're not sure what we > would do with focus outline approach > > JMann: So hit testing might solve the problem we solve with > drawFocus? > > RS: It would solve the location info, but not the outline > drawing > > JMann: so we have two potential solutions, but would only need > to support one? > > RS: IF we had two, could one affect the setting of the other? > > DB: I'm looking out for the cognitive load on the developer > > JMann: If we support drawFocus, and then hit testing comes > around, how does that affect the developer > > RS: Hit testing was always in the plan. The question is how > long people will have to wait. > > JMann: imagine we support drawFocus, hit testing in L2 will > have to play nicely with drawFocus > > RS: I don't think it would be a problem. We'd be applying hit > regions in a similar manner to how its done in the OS. The > thing is, if we add hit testing, if someone supplies a hit > region, it takes precedence over any other location information > > JMann: whatever we build in L2, it has to play well with L1. I > just worry about compatibility. Espeicially if our only > motivation is to get something out the door. > > RS: We will still need to handle drawing the focus, including > high contrast. > > DB: as far as I'm concerned, neither option is off the table. > Trevor didn't accept the patch, but that is not final. We would > like to take a week on this to do some exploration. > ... I have reached out to Dominic. Don't want to bother him too > much. > > RS: Better if it came from Moz. > > MS: encourage Moz to post to public-canvas-api > > JMunro: looking at hit regions, just wanted to say Path is > critical to that. If we are thinking about going down that > road, there is a lot of work to do on both > > JMann: happy with drawFocus in L1 and hit regions in L2 as long > as there is no backwards compatibility issues. > > RS: I don't think they are going to draw the actual focus in > hit regions > > When Canvas can go back to LC > > MS: I will update Paul this week in the TF call. Mozilla would > like at least one week to explore the Hit Testing solution. > They do not formally oppose drawFocusIfNeeded at this point. > David Bolter will reach out to Dominic to make sure that is > clear. > > Next Meeting > > See you all next week. > > <jaymunro> thanks mark > > Summary of Action Items > > [End of minutes] > __________________________________________________________ > > > Minutes formatted by David Booth's [9]scribe.perl version > 1.138 ([10]CVS log) > $Date: 2014-02-04 15:19:12 $ > > [9] http://dev.w3.org/cvsweb/~checkout~/2002/scribe/scribedoc.htm > [10] http://dev.w3.org/cvsweb/2002/scribe/ > > > >
Received on Tuesday, 4 February 2014 21:48:39 UTC