I just realized that I did send below message only to Tom. :) ---------- Forwarded message ---------- From: Hiroyuki Ikezoe <[email protected]> Date: Wed, Jul 25, 2018 at 6:59 AM Subject: Re: Intent to implement and ship: CSS prefers-reduced-motion media feature for Windows and MacOSX To: Tom Ritter <[email protected]>
Thank you, bz and Tom. I just filed bug 1478158 for that. On Wed, Jul 25, 2018 at 1:30 AM, Tom Ritter <[email protected]> wrote: > As far as I can tell the specification does not indicate any privacy > concerns; even though this exposes a system preference. > > I'd request that if Resist Fingerprinting is enabled; the browser behaves > as if the user has not set any preference. > > -tom > > On Tue, Jul 24, 2018 at 2:34 AM, Hiroyuki Ikezoe <[email protected]> > wrote: > >> Summary: By using CSS prefers-reduced-motion media feature, web developers >> can provide contents depending on a system setting that users want >> *motion-less* content. A WebKit blog post [1] might be useful to know >> this feature in more detail. >> >> Bugs: https://bugzilla.mozilla.org/show_bug.cgi?id=1365045 for Windows >> https://bugzilla.mozilla.org/show_bug.cgi?id=1475462 for Mac OSX >> >> Link to standard: >> https://drafts.csswg.org/mediaqueries-5/#prefers-reduced-motion >> >> Platform coverage: Windows and MacOSX >> Though I don't have a plan for Android at this moment , I maybe do it >> soonish. >> >> Estimated release: For Windows in Firefox 63, for MacOSX it might be >> delayed in Firefox 64 >> >> Preference behind which this will be implemented: None >> >> Is this feature enabled by default in sandboxed iframes? Yes >> >> If allowed, does it preserve the current invariants in terms of what >> sandboxed iframes can do? I believe so >> >> DevTools bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1477920 >> >> Do other browser engines implement this? >> >> WebKit already shipped this feature on the last year. >> >> Neither Chrome and Edge hasn't progressed yet. >> https://bugs.chromium.org/p/chromium/issues/detail?id=722548 >> https://developer.microsoft.com/en-us/microsoft-edge/platfor >> m/issues/17506002/ >> >> web-platform-tests: None >> This feature is tied to a system setting, so, as far as I can tell, we >> can't write wpt. >> WebKit has test cases on their tree controlled by something like our >> SpecialPowers. We will have reftests controlled by a UI pref. >> >> Secure contexts: Yes >> >> [1] https://webkit.org/blog/7551/responsive-design-for-motion/ >> _______________________________________________ >> dev-platform mailing list >> [email protected] >> https://lists.mozilla.org/listinfo/dev-platform >> > > _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform

