W3C home > Mailing lists > Public > www-style@w3.org > July 2002

Re: pause-before property for presentations

From: Ian Hickson <ian@hixie.ch>
Date: Fri, 12 Jul 2002 13:33:38 +0100
Message-ID: <3D2ECCA2.2090307@hixie.ch>
To: Chris Lilley <chris@w3.org>
Cc: www-style@w3.org

Chris Lilley wrote:
> And these effects can be done already, without scripting, in already
> deployed viewers so re-inventing parts of SMIL in CSS seems like a
> waste of effort, really.

I'm not sure which effects you are referring to here -- Dave's original request 
of a user-triggered request so that HTML documents can be used for presentations 
like PowerPoint? Or just sliding?

If the first, I'd be interested in an example. Take this arbitrary XML document:

     <li> Foo dee foo foo. </li>
     <li> Barry bar bar. </li>
     <li> Baz baz, baz-baz.</li>

And, by attaching documents such as stylesheets or scripts using HTTP Link: 
headers (i.e. without changing the source document), perform Dave's request.

(Attaching stylesheets using HTTP Link: headers works in Mozilla. Attaching 
scripts doesn't, because there is no defined rel="" value for scripts. However, 
it could exist in principle, being directly equivalent to a <script src=""> in 
the markup. Feel free to assume that a rel="" value could exist to perform 
similar functions if there is a way to, for example, import SMIL. The key is to 
not change the original document, since that would violate the principle of 
keeping structure and presentation separate.)

If you mean the second, then yes, I agree that it is already possible to slide 
stuff using SMIL triggered by an event. The key is triggering the event, and 
that is what my proposal explained how to do.

Ian Hickson                                      )\._.,--....,'``.    fL
"meow"                                          /,   _.. \   _\  ;`._ ,.
http://index.hixie.ch/                         `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 12 July 2002 08:33:42 UTC

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