- From: Ian Hickson <ian@hixie.ch>
- Date: Fri, 5 Feb 2010 19:35:57 +0000 (UTC)
- To: Philip Taylor <pjt47@cam.ac.uk>
- Cc: HTML WG <public-html@w3.org>, Henri Sivonen <hsivonen@iki.fi>
On Fri, 5 Feb 2010, Philip Taylor wrote: > > To develop and test an accessible canvas application with focus > management, I'd expect it would be much easier if the author could see > the bitmap and the fallback content simultaneously, using their normal > mouse and keyboard input to interact with either version, and check that > both representations stay in sync and that the focus highlighting is > handled correctly. Once they've finished testing, they would want the > published version to work like it currently does (i.e. users are shown > the bitmap if possible, else the fallback content is shown instead). > > Is this possible with the current spec? If not, I think there should be > a way to make the fallback content and bitmap visible together, e.g. > <canvas showfallback>...</canvas> (and authors can add some CSS to the > fallback content so it's rendered in a sensible position), to help with > this kind of testing. That's a good point. I'm skeptical about allowing elements outside of <canvas> be focused while drawFocusRing() renders, because that means the screen would have two focus rings... but maybe that's ok? -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 5 February 2010 19:36:28 UTC