SGTM.
As there's soon going to be two shipping implementations, it's long
past time to move the overscroll-behavior spec from WICG to CSSWG.
Related issue if anyone is interested in tracking this:
https://github.com/w3c/csswg-drafts/issues/2179
Thanks,
Tantek
On Mon, Jan 8, 2018 at 12:57 PM, Botond Ballo wrote:
> I would like to ship support for the 'overscroll-behavior' CSS
> property (formerly called 'scroll-boundary-behavior') in Firefox 59.
>
> Preference behind which the feature was developed:
> layout.css.overscroll-behavior.enabled
>
> "Intent to implement" thread:
> https://www.mail-archive.com/dev-platform@lists.mozilla.org/msg23947.html
>
> Tracking bug for shipping:
> https://bugzilla.mozilla.org/show_bug.cgi?id=1428879
>
> Draft spec:
> https://wicg.github.io/overscroll-behavior/
>
> There have not been any significant changes to the spec since
> the "Intent to implement" email, except for the change of name
> from 'scroll-boundary-behavior' to 'overscroll-behavior'.
>
> Support by other browser engines:
> Blink: Shipping in Chrome 63 [1]
> Edge: Public support [2]
> WebKit: No public signals
>
> Testing:
> The feature has a manual web-platform-test [3].
> The Chromium folks are working on upstreaming
> an automated web-platform-test [4].
>
> Example:
>
> #chatbox {
> /* Excess scrolling on the chatbox will not be handed off
> to its parent scrollable .*/
> overscroll-behavior: contain;
> }
>
> See [5] for more examples.
>
> Cheers,
> Botond
>
> [1] https://www.chromestatus.com/features/5734614437986304
> [2]
> https://discourse.wicg.io/t/generic-scroll-chaining-prevention-mechanism-or-expand-standardize-ms-scroll-chaining/1811/5?u=majidvp
> [3]
> https://searchfox.org/mozilla-central/rev/cf149b7b63ff97023e28723167725e38cf5df757/testing/web-platform/tests/css/cssom-view/overscrollBehavior-manual.html
> [4] https://bugs.chromium.org/p/chromium/issues/detail?id=762054
> [5] https://wicg.github.io/overscroll-behavior/#motivating-examples
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