Re: (X)HTML5 + SMIL?

Ah neat, i'd not seen LimSee3.  Do you find that browser behavior is
markedly different between browsers that natively support
HTML+TIME/XHTML+SMIL and browsers that use JS to implement timing behavior?

On Mon, Mar 8, 2010 at 6:04 AM, Cécile Roisin <cecile.roisin@inria.fr>wrote:

> You can also have a look at our Timesheets implementation based on
> Vuorimaa's one.
>
> http://limsee3.gforge.inria.fr/public-site/timesheets/scheduler.html
> http://limsee3.gforge.inria.fr/public-site/timesheets/timesheets.html
>
>
> Cécile
> -------------------------------
>
> Le lundi 08 mars 2010 à 12:41 +0200, Petri Vuorimaa a écrit :
> > David,
> >
> >
> > Thanks for pointing out also my Timesheets implementation. I haven't
> > been working on it for a while. However, if I remember correctly I was
> > able to implement all the major features in the SMIL Timesheets
> > document [1]. Even, prefetcing and animations work [2]. Implementing
> > the missing features [3] shouldn't be a big problem
> >
> >
> > The layout is taken care by the browser CSS layout engine, which is
> > pretty efficient in most modern browsers. The Javascript part is
> > rather simple, and thus I didn't find any real performance problems.
> >
> >
> > I hoping to see some real life use cases. Then, it would be possible
> > to do more detailed performance analysis using, e.g., Firebug [4].
> >
> >
> > Yours,
> >
> >
> > Petri Vuorimaa
> > Aalto University
> >
> >
> > [1] http://www.w3.org/TR/timesheets/
> > [2] http://www.tml.tkk.fi/~pv/timesheets/tests.xhtml
> > [3] http://www.tml.tkk.fi/~pv/timesheets/features.xhtml
> > [4] http://getfirebug.com/
> >
> > On 8.3.2010, at 12:06, David Leunen wrote:
> >
> > >
> > >         I'm curious what your experience implementing this in JS has
> > >         been, whether there are particular performance issues you've
> > >         encountered, or things that were particularly difficult that
> > >         you may have had to hack around or anything?
> > >
> > >
> > >
> > >
> > > I tried to introduce the least hacks possible. Nevertheless, I
> > > consider the entire script is a hack.
> > > I haven't stress tested it, so I don't know where are the
> > > performance bottlenecks. I guess it depends on the JS engines.
> > > The main difficulty is implementing additivity. The script need a
> > > major rewrite for that (i.e it doesn't strictly follow the model
> > > SMIL defines : aka sandwich model).
> > > Another bug is that animations' starts are not strictly calculated,
> > > but relies on events. So they may become out of sync, if they are
> > > repeated many times.
> > > Apart from that, everything was pretty straightforward, if I
> > > remember well.
> > >
> > >
> > >
> > >
> > > (There's also that timesheet implementation :
> > > http://www.tml.tkk.fi/~pv/timesheets/ )
> >
> >
>
>
>
> --
> Cécile Roisin
> Université de Grenoble - Laboratoire LIG INRIA-UPMF
> tel INRIA : 04 76 61 53 60 - tel IUT2-UPMF : 04 76 28 45 69
>
>