[Webkit-unassigned] [Bug 153304] Main frame scrollbars not updated on hovering when using overlay scrollbars

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153304

--- Comment #10 from Carlos Garcia Campos <cgarcia at igalia.com> ---
(In reply to comment #7)
> (In reply to comment #5)
> > (In reply to comment #4)
> > > I'm curious, do OS X scrollbars not change in appearance when hovered?
> > 
> > Legacy scrollbars do, but overlay scrollbars don't.
> 
> This is false. 

Ah, I guess it's now fixed then.

> On Mac, overlay scrollbars become fatter and get a visible track when
> hovered, and that works correctly in tip of tree WebKit for me. Does it fail
> for you on some version of Mac OS? If so, what Mac OS version are you
> testing on?

Yes, that didn't happen for me with Safari in Mac OSX El Capitan (probably not the latest update, I'll try to upgrade).

> Which platform does that patch affect?

It should affect all platforms, I expected this to fix Mac as well, but maybe Mac is already updating the scrollbars from the scroll animator when mouseEnteredScrollbar is called, that would be hiding this bug in Mac, but I'm just guessing.

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