Agenda: January 10, 2011 Canvas Accessibility Working Group

Agenda: January 10, 2011 Canvas Accessibility Working Group
Time of meeting is 3:00PM EST, 20:00 UTC, duration is 1 hour
Zakim Bridge +1.617.761.6200, conference 2119 ("A11Y")

IRC: server: irc.w3.org, port: 6665, channel: #html-a11y.

1. Sign off on Updated Canvas 2D API Context from Rich and Charles - Frank,
David we need agreement

2. Caret, Selection, Grammar errors, spelling Anotation

3. Access to Caret, Selection, Grammar errors, spelling errors
  - Frank provide feedkback on discussion with IE team about introducing
tags that covers these vs. APIs.
 http://lists.w3.org/Archives/Public/public-canvas-api/2010OctDec/0057.html

 - Rich proposal to use ARIA for this:
http://lists.w3.org/Archives/Public/public-canvas-api/2011JanMar/0001.html
 - Is API access to a contenteditable section preferred?
 - Steps to assess what HTML elements are allowable in the shadow DOM
   - Review Charles' canvas element change proposal (attached). Is turning
off initialization sufficient for elements like Frame and IFrame?

4. If Possible have Shawn Warren from AI Squared discuss options for
providing positioning information to assistive technologies for    all
canvas elements. (Rich to contact Shawn)

http://lists.w3.org/Archives/Public/public-canvas-api/2011JanMar/0000.html

5. Action Items
 - Frank: what API does IE use to track content selection and
carets in content editable areas?
  ACTION-91 - Review Charles draft of the canvas 2D AP - Rich (Complete)
See attached file with updates
  ACTION-92 - Write a high level write up of the use of elements to
(Complete)
annotate the canvas subtree to support caret, spell and grammar checkers
for Frank Olivier
[on Richard Schwerdtfeger - due 2010-12-13].

http://lists.w3.org/Archives/Public/public-canvas-api/2010OctDec/0057.html




Reference Material APIs:
- Browser API Comparisons for Caret Tracking and Content Selection:
http://www.quirksmode.org/dom/w3c_range.html
- Getting the selection object:
https://developer.mozilla.org/en/DOM/window.getSelection
- sel = window.getSelection() //sel is a Selection object
- rangex = sel(0);
- rangex.collapsed(); //If it is collapsed it is a caret
- reangex.collapse();


Reference: revisions to 2D Context API - modifications

http://www.w3.org/Bugs/Public/show_bug.cgi?id=11238
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11239
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11240
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11241
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11242
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11328
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11329
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11342



Minutes last call:
http://www.w3.org/2010/12/06-html-a11y-minutes.html

(See attached file: HTML Canvas 2DContext120910.html)(See attached file:
CanvasEditor.html)(See attached file: HTML_Canvas_Element.html)


Rich Schwerdtfeger
CTO Accessibility Software Group



Rich Schwerdtfeger
CTO Accessibility Software Group