[Bug 11239] Canvas support accessible caret tracking independent of Focus Ring tracking


--- Comment #31 from Maciej Stachowiak <mjs@apple.com> 2011-05-02 20:47:45 UTC ---

Ian, can you provide a revised diff that addresses these comments?

(In reply to comment #30)
> - I accept the changes for caretBlinkPeriod. 
> - I have not tried the code change the editor has made, when I see the full
> change I will try it out. We had found defects in the prior code which did not
> run and we added commments. Please refer to the change request adapted for the
> chairs decision at it:
> http://lists.w3.org/Archives/Public/public-html/2011Apr/0657.html
> If the editor could adapt his changes to our code it would run and pick up the
> performance issues addressed by the editor. 
> The changes to drawFocusRing are still inaccurate for these reasons:
> - DrawFocusRing must be able to draw a focus ring around an element with focus
> or descendant of an element with focus. Often, in rich internet applications an
> element with focus will managed visual rendering of focus for its children.
> Examples of this are grids, radio groups, listboxes, and tree widgets. 
> See the text in:
> http://lists.w3.org/Archives/Public/public-html/2011Apr/0657.html
> A note to the editor:
> In the canvas subtree authors can use aria-activedescendant on one of these
> element to convey the focus location of a descendant to an assistive
> technology.
> example: 
> <table role="grid" aria-activedescendant="foo">
> ...
> <tr role="row">
> <td role="gridcell" id="foo"> ... </tr>
> ...
> </table> 
> - caretSelectionPos still has some problems. I don't have an issue with the
> name change or the use of a path to produce the rectangle
> -- The accessibility API mapping must step must be provided. 
> -- The text does not address when the user agent window is moved or resized
> Please see the steps in the change proposal:
> http://lists.w3.org/Archives/Public/public-html/2011Apr/att-0657/canvascarseldecision20110426.html#caret-selection

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Received on Monday, 2 May 2011 20:47:50 UTC