- From: ALAN SMITH <alands289@gmail.com>
- Date: Mon, 17 Aug 2015 19:40:34 -0400
- To: Jonathan Avila <jon.avila@ssbbartgroup.com>
- Cc: David MacDonald <david100@sympatico.ca>, "Patrick H. Lauke" <redux@splintered.co.uk>, "public-mobile-a11y-tf@w3.org" <public-mobile-a11y-tf@w3.org>
- Message-ID: <CA+0eshiwaMiJYkejvR3Wxdv-x14hcshRqxSw0MWugU4Rezih0g@mail.gmail.com>
It's this crazy Galaxy and Gmail. It is hard to figure out who I'm replying to in these grouped messages. Thanks. Alan On Aug 17, 2015 1:16 PM, "Jonathan Avila" <jon.avila@ssbbartgroup.com> wrote: > Ø Just to confirm. Are tablets with cellular or wifi in the mobile > space? If so, I'm not sure about your statement that "where keyboard use is > quit uncommon". > > I think it was David who said that. And I agree with you Alan that > Keyboard access is somewhat common in the mobile space. > > > > Jonathan > > > > -- > Jonathan Avila > Chief Accessibility Officer > SSB BART Group > jon.avila@ssbbartgroup.com > > Phone 703.637.8957 > Follow us: Facebook <http://www.facebook.com/#!/ssbbartgroup> | Twitter > <http://twitter.com/#!/SSBBARTGroup> | LinkedIn > <http://www.linkedin.com/company/355266?trk=tyah> | Blog > <http://www.ssbbartgroup.com/blog> | Newsletter <http://eepurl.com/O5DP> > > > > *From:* ALAN SMITH [mailto:alands289@gmail.com] > *Sent:* Monday, August 17, 2015 11:51 AM > *To:* Jonathan Avila > *Cc:* David MacDonald; Patrick H. Lauke; public-mobile-a11y-tf@w3.org > *Subject:* RE: Rough draft of some success criteria for a extension > guideline "Touch accessible" > > > > Just to confirm. Are tablets with cellular or wifi in the mobile space? If > so, I'm not sure about your statement that "where keyboard use is quit > uncommon". > Regards. Alan > > On Aug 17, 2015 11:40 AM, "Jonathan Avila" <jon.avila@ssbbartgroup.com> > wrote: > > Ø 2.5.1 Touch: For pages and applications that support touch, all > functionality of the content is operable through touch gestures with and > without system assistive technology activated, without relying on pass > through gestures on the system (Level A) > > > > But we still need an exception like we have for keyboard access for things > like drawing and signatures, etc. So we need to take into timing and > paths, etc. Except when the touch interactions requires specific timing or > path.... > > > > Jonathan > > > > -- > Jonathan Avila > Chief Accessibility Officer > SSB BART Group > jon.avila@ssbbartgroup.com > > Phone 703.637.8957 > Follow us: Facebook <http://www.facebook.com/#!/ssbbartgroup> | Twitter > <http://twitter.com/#!/SSBBARTGroup> | LinkedIn > <http://www.linkedin.com/company/355266?trk=tyah> | Blog > <http://www.ssbbartgroup.com/blog> | Newsletter <http://eepurl.com/O5DP> > > > > *From:* David MacDonald [mailto:david100@sympatico.ca] > *Sent:* Monday, August 17, 2015 11:36 AM > *To:* Patrick H. Lauke; public-mobile-a11y-tf@w3.org; Jonathan Avila > *Subject:* Re: Rough draft of some success criteria for a extension > guideline "Touch accessible" > > > > I agree... > > I think WCAG 2.1.1 already covers the need for keyboard use (without > mouseKeys)... this would be an add on for the mobile space where keyboard > use is quite uncommon. We could maybe plug the hole so the pass through > gesture is not relied on by the author the same way we do in 2.1.1 not > relying on MouseKeys.. > > 2.5.1 Touch: For pages and applications that support touch, all > functionality of the content is operable through touch gestures with and > without system assistive technology activated, without relying on pass > through gestures on the system (Level A) > > > Cheers, > > David MacDonald > > > > *CanAdapt* *Solutions Inc.* > > Tel: 613.235.4902 > > LinkedIn <http://www.linkedin.com/in/davidmacdonald100> > > 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 Mon, Aug 17, 2015 at 7:48 AM, Patrick H. Lauke <redux@splintered.co.uk> > wrote: > > On 17/08/2015 12:27, David MacDonald wrote: > > >Patrick says: As it's not possible to recognise gestures when > VoiceOver is enabled, as VO intercepts gestures for its own purposes > (similar to how desktop AT intercept key presses) unless the user > explicitly uses a pass-through gesture, does this imply that interfaces > need to be made to also work just with an activation/double-tap ? i.e., > does double-tap count in this context as a "gesture"? If not, it's not > technically possible for web pages to force pass-through (no equivalent > to role="application" for desktop/keyboard handling)... > > David: VO uses gestures for its own purposes and then adds gestures to > substitute for those it replaced i.e., VO 3 finger swipe= 1 finger > swipe. I'm suggesting that everything that can be accomplished with VO > off with gestures can be accomplished with VO on. > > > Not completely, though. If I build my own gesture recognition from basic > principles (tracking the various touchstart/touchmove/touchend events), the > only way that gesture can be passed on to the JS when VO is activated is if > the user performs a pass-through gesture, followed by the actual gesture > I'm detecting via JS. Technically, this means that yes, even VO users can > make any arbitrary gesture detected via JS, but in practice, it's - in my > mind - more akin to mouse-keys (in that yes, a keyboard user can nominally > use any mouse-specific interface by using mouse keys on their keyboard, > just as a touch-AT user can perform any custom gesture...but it's more of a > last resort, rather than standard operation). > > Also, not sure if Android/TalkBack, Windows Mobile/Narrator have these > sorts of pass-through gestures (even for iOS/VO, it's badly documented...no > mention of it that I could find on any official Apple sites). > > In short, to me this still makes it lean more towards providing all > functionality in other, more traditional ways (which would then also work > for mobile/tablet users with an external keyboard/keyboard-like interface). > Gestures can be like shortcuts for touch users, but should not replace more > traditional buttons/widgets, IMHO. This may be a user setting perhaps? > Choose if the interface should just rely on touch gestures, or provide > additional focusable/actionable controls? > > > > 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 Monday, 17 August 2015 23:41:05 UTC