Bug 212252

Summary: Simplify the "node did scroll" notifications sent from the scrolling thread to the main thread
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: ScrollingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: ASSIGNED ---    
Severity: Normal CC: cmarcelo, ews-watchlist, fred.wang, jamesr, luiz, simon.fraser, tonikitoo, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 210884    
Attachments:
Description Flags
Patch none

Description Simon Fraser (smfr) 2020-05-21 20:47:39 PDT 
Simplify the "node did scroll" notifications sent from the scrolling thread to the main thread
Comment 1 Simon Fraser (smfr) 2020-05-21 20:51:37 PDT 
Created attachment 400021 [details]
Patch
Comment 2 Radar WebKit Bug Importer 2020-05-21 20:52:16 PDT 
<rdar://problem/63526245>
Comment 3 Simon Fraser (smfr) 2020-05-21 21:17:05 PDT 
Comment on attachment 400021 [details]
Patch

This breaks overflow scrollbar updating in some cases.
Comment 4 Simon Fraser (smfr) 2020-05-21 22:01:02 PDT 
This also breaks visible rect computations. Clearly some of this is needed.