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Re: [css3-transitions] transitioning to/from auto value

From: Brad Kemper <brad.kemper@gmail.com>
Date: Mon, 26 Apr 2010 11:36:27 -0700
Message-Id: <1F4AA5F1-A09D-4CA9-A61F-06E0DA388578@gmail.com>
To: Simon Fraser <smfr@me.com>
Cc: www-style list <www-style@w3.org>
On Apr 26, 2010, at 10:56 AM, Simon Fraser <smfr@me.com> wrote:

> The main issue is that, when transitioning to an 'auto' height, the  
> user agent would have to do a layout for the page in its final state  
> in order to determine the destination height of the element. And, of  
> course, that height may depend on all sorts of other style rules,  
> some of which themselves may be animating, and which could also  
> change for other reasons while the transition is running.

I figured that was the issue, but I think that even the transition was  
based on a snapshot of the used values at the beginning or end of the  
transition, that would be huge, and be closer to what JavaScript  
animation libraries can do. 
Received on Monday, 26 April 2010 18:37:11 UTC

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