Bug 215215 - REGRESSION (r260276): instructure.com custom PDF viewer stops scrolling / loading after switching to another tab then switching back
Summary: REGRESSION (r260276): instructure.com custom PDF viewer stops scrolling / loa...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Scrolling (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-08-06 07:00 PDT by Antti Koivisto
Modified: 2020-08-07 09:50 PDT (History)
7 users (show)

See Also:

Attachments
patch (7.46 KB, patch)
2020-08-07 05:51 PDT, Antti Koivisto 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

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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].