Re: [css-animations] Interaction of negative animation-delay and animation-iteration-count

On Fri, Aug 29, 2014 at 2:27 AM, Sylvain Galineau <galineau@adobe.com> wrote:
> I would like to resolve bug 14807 [1] on the interactions of animation-delay and animation-iteration-count. Specifically, clarify what happens when:
>
> a) animation-delay is (-1 x animation-duration) e.g.
>
>         animation-duration: 5s;
>         animation-delay: -5s;
>
> b) when the animation has 2+ iterations and a negative animation delay covers more than one iteration e.g.
>
>         animation-duration:2s;
>         animation-iteration-count:2;
>         animation-delay:-3s;
>
>
> For a), I believe it is equivalent to a zero duration i.e. the animation completes immediately.
>
> For b) I think we should clarify that a negative animation-delay resolves against the timeline produced by animation-duration x animation-iteration-count. (We should have a name for this, incidentally). In other words, it can 'swallow' iterations i.e. in the example above the UA would only run the last second of iteration #2.
>
> Comments? Objections? Issues?
>
> [1] https://www.w3.org/Bugs/Public/show_bug.cgi?id=14807

Both sound correct to me.  (And really, seem to be the only reasonable options.)

~TJ

Received on Thursday, 28 August 2014 22:57:56 UTC