Re: [csswg-drafts] [css-scroll-snap] Choosing a snap position when children have mixed scroll-snap-align values

You do indeed model them all separately.  Each element, based on its 
laid-out position and its scroll-snap-align, contributes a [scroll 
 - a particular scroll offset that it would like the scroller to 
settle on.

Once you filter the elements you want to pay attention to (you don't 
want to snap to things positioned way off-screen, as it would be 
confusing), then you have a set of possible snap positions to pay 
attention to.  Then, based on the scroll offset the scroller would 
*naturally* land on, you might choose one of the snap positions to 
instead land on ("might" if it's proximity; "must" if it's mandatory).

The spec should define all of this.  What parts did you find 
incomplete or confusing?

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Received on Wednesday, 30 November 2016 23:05:38 UTC