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WICG / virtual-scroller

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Need API to commnicate expected sizes of content #183

Open chrishtr opened 5 years ago

chrishtr commented 5 years ago

If one of the elements of a virtual-scroller is another virtual-scroller, perhaps it could delegate size estimation to that element, which has a better idea of the true size. This came up when trying out the sticky demo. Scrolling down leads to a jumpy scrollbar, because the estimations are off.

domenic commented 5 years ago

Again this seems like it probably is a discussion for the Chromium repo, not the spec or demos.

fergald commented 5 years ago

I think we need to talk about how content can indicate it's expected rendered size to the scroller. Without it, initial layout can get things badly wrong and require multiple passes.