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Re: Proposal: Canvas accessibility and a media querries approach for alternative content (Action Item 6 in the HTML Accessibility Task Force)

From: Ian Hickson <ian@hixie.ch>
Date: Wed, 20 Jan 2010 11:49:20 +0000 (UTC)
To: Steven Faulkner <faulkner.steve@gmail.com>
Cc: public-canvas-api@w3.org, HTML WG <public-html@w3.org>
Message-ID: <Pine.LNX.4.64.1001201147460.3958@ps20323.dreamhostps.com>
On Wed, 20 Jan 2010, Steven Faulkner wrote:
> Hi Ian, to get some clarification on what the spec requires
> If a user clicks on a region of the canvas that has been scripted to 
> naviagte to a n URL with an associated focus rectangle that is 
> associated with an <a> element inside the canvas. Does the click get 
> passed to the link and a navigation event get triggered?
> <canvas>
> <a href="example.html>example</a>
> </canvas>

The click fires on the <canvas>, and the script is responsible for 
propagating the click to the link to cause the navigation (the UA has no 
idea that it corresponds to the <a>, so it can't happen automatically). On 
the other hand, if the user hits enter while the link is focused, the 
event goes to the link and the UA does the navigation automatically.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Wednesday, 20 January 2010 11:49:51 UTC

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