Bug 201528

Summary: REGRESSION (iOS 13): If an overflow:hidden with a non-zero scroll position is toggled to overflow:scroll, some other scroll causes its scroll position to get reset
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: New BugsAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: cmarcelo, ews-watchlist, flaviop, fred.wang, jamesr, koivisto, luiz, simon.fraser, tonikitoo, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch
none
Patch fred.wang: review+

Description Simon Fraser (smfr) 2019-09-05 18:17:49 PDT
REGRESSION (iOS 13): If an overflow:hidden with a non-zero scroll position is toggled to overflow:scroll, some other scroll causes its scroll position to get reset
Comment 1 Simon Fraser (smfr) 2019-09-05 18:20:24 PDT
Created attachment 378143 [details]
Patch
Comment 2 Simon Fraser (smfr) 2019-09-05 18:20:26 PDT
<rdar://problem/55044885>
Comment 3 Simon Fraser (smfr) 2019-09-05 21:00:03 PDT
Created attachment 378155 [details]
Patch
Comment 4 Frédéric Wang (:fredw) 2019-09-06 00:54:34 PDT
Comment on attachment 378155 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=378155&action=review

> Source/WebCore/ChangeLog:9
> +        If an, when an overflow scrolling node is created, the scroller has non-zero scroll

Problem in this first sentence?
Comment 5 Simon Fraser (smfr) 2019-09-06 11:06:26 PDT
https://trac.webkit.org/changeset/249581/webkit
Comment 6 Simon Fraser (smfr) 2019-10-18 10:40:06 PDT
*** Bug 203110 has been marked as a duplicate of this bug. ***