[Webkit-unassigned] [Bug 149264] IFrame scrolling=yes is ignored in iOS Safari

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Apr 28 09:26:01 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=149264

--- Comment #12 from Frédéric Wang (:fredw) <fred.wang at free.fr> ---
(In reply to Simon Fraser (smfr) from comment #10)
> Turning off frame flattening on iOS is a big usability change and needs to
> be done with caution.

(In reply to zalan from comment #11)
> (In reply to Simon Fraser (smfr) from comment #10)
> > Turning off frame flattening on iOS is a big usability change and needs to
> > be done with caution.
> and I don't see the point of doing it for iframes only.

@Simon, @Zalan: This was really an experimental patch to avoid flattening and be able to test a bit things. I think it would be good to agree on how to provide this non-flattening option to Web developers. Is the suggestion of comment 5 enough? Any other idea?

Scrolling with touch events does not work at the moment with iframes even with that patch. As I see, 'overflow:auto' content creates ScrollingTreeOverflowScrollingNodeIOS nodes in order to capture these events. Should we add such mechanism for iframes too?

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