Bug 215215

Summary:

REGRESSION (r260276): instructure.com custom PDF viewer stops scrolling / loading after switching to another tab then switching back

Product:

WebKit

Reporter:

Antti Koivisto <koivisto>

Component:

Scrolling

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

cmarcelo, ews-watchlist, fred.wang, jamesr, luiz, simon.fraser, tonikitoo

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
patch	none

Description Antti Koivisto 2020-08-06 07:00:29 PDT

Scrolling tree problems.

Comment 1 Antti Koivisto 2020-08-06 07:01:03 PDT

<rdar://problem/65743028>

Comment 2 Antti Koivisto 2020-08-07 05:51:16 PDT

Created attachment 406165 [details]
patch

Comment 3 Simon Fraser (smfr) 2020-08-07 08:57:30 PDT

Comment on attachment 406165 [details]
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=406165&action=review

> LayoutTests/scrollingcoordinator/overflow-proxy-reattach.html:21
> +    await new Promise(requestAnimationFrame);

await UIHelper.animationFrame() ?

Note that returns on the microtask checkpoint at the end of the rAF callback; it doesn't wait for the end of Page::updateRendering().

Comment 4 EWS 2020-08-07 09:49:59 PDT

Committed r265379: <https://trac.webkit.org/changeset/265379>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 406165 [details].