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Re: [SVGMobile12] event aliasing

From: Jack Jansen <Jack.Jansen@cwi.nl>
Date: Sun, 2 Apr 2006 21:58:21 +0200
Message-Id: <E0764528-3514-441E-AF17-668B7A852AEA@cwi.nl>
Cc: <doug.schepers@vectoreal.com>, <www-svg@w3.org>, <public-webapi@w3.org>, <public-cdf@w3.org>, <www-smil@w3.org>
To: Jon Ferraiolo <jonf@adobe.com>

On 2-apr-2006, at 20:44, Jon Ferraiolo wrote:
> Mysteriously and unfortunately, SMIL says that "The focusInEvent [...]
> does
> not bubble." This differs from DOMFocusIn, obviously, and it's not  
> clear
> why
> they specify that; perhaps the SYMM WG can clarify their rationale,  
> and
> might even be willing to change this behavior in an errata, to come in
> line
> with other Specs.

The issue is that in SMIL the focusInEvent gets sent to a media item  
in the body section, not to a region in the layout section. In the  
layout section it would have made sense to have the focusInEvent  
bubble, but not in the body section: unlike HTML, where containment  
has (usually) some spatial correspondence, in SMIL a media node and  
its parent have no spatial relationship whatsoever.

Note that this is all in the SMIL 2[.1] Language Profile, other  
profiles or languages that reuse SMIL timing but have a tree  
structure more like HTML than like SMIL should probably state that  
the events do bubble.
Jack Jansen, <Jack.Jansen@cwi.nl>, http://www.cwi.nl/~jack
If I can't dance I don't want to be part of your revolution -- Emma  
Received on Sunday, 2 April 2006 19:58:34 UTC

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