Bug 196819

Summary: Misplaced and wrongly clipped position:absolute inside async overflow scroll
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: ScrollingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: NEW    
Severity: Normal CC: koivisto, simon.fraser
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Testcase none

Simon Fraser (smfr)
Reported 2019-04-11 06:56:20 PDT
Created attachment 367218 [details] Testcase Some configurations of position:absolute/overflow:hidden inside overflow:scroll trigger bad clipping and movement when scrolling.
Attachments
Testcase (1.12 KB, text/html)
2019-04-11 06:56 PDT, Simon Fraser (smfr) 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2019-04-11 06:56:41 PDT
Here we need to teach the scrolling tree about ancestor clipping layers.
Simon Fraser (smfr)
Comment 2 2019-04-11 06:57:04 PDT
This affects agoda.com
Note You need to log in before you can comment on or make changes to this bug.