Bug 170560

Summary:

Scroll offset jumps after a programmatic scroll in an overflow container with scroll snapping

Product:

WebKit

Reporter:

Wenson Hsieh <wenson_hsieh>

Component:

Layout and Rendering

Assignee:

Wenson Hsieh <wenson_hsieh>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bfulgham, cathyxz, commit-queue, manian, simon.fraser, sriramkrish85, thorton, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Reduced test case adapted from <http://output.jsbin.com/fiwiqo>	none
Patch	thorton: review+
Patch for landing	none

Wenson Hsieh

Reported 2017-04-06 13:03:30 PDT

Created attachment 306413 [details] Reduced test case adapted from <http://output.jsbin.com/fiwiqo> See whsieh.github.io/examples/scroll-snap-fixed-div.html on an iOS device.

Attachments
Reduced test case adapted from <http://output.jsbin.com/fiwiqo> (2.27 KB, text/html) 2017-04-06 13:03 PDT, Wenson Hsieh	no flags	Details
Patch (9.48 KB, patch) 2017-04-06 13:32 PDT, Wenson Hsieh	thorton: review+	Details Formatted Diff Diff
Patch for landing (9.33 KB, patch) 2017-04-06 16:58 PDT, Wenson Hsieh	no flags	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Wenson Hsieh

Comment 1 2017-04-06 13:04:42 PDT

This is the bug in <https://bugs.webkit.org/show_bug.cgi?id=169800> pertaining to overflow scrolling.

Radar WebKit Bug Importer

Comment 2 2017-04-06 13:06:10 PDT

<rdar://problem/31484693>

Wenson Hsieh

Comment 3 2017-04-06 13:32:44 PDT

Created attachment 306422 [details] Patch

Wenson Hsieh

Comment 4 2017-04-06 16:58:41 PDT

Created attachment 306438 [details] Patch for landing

WebKit Commit Bot

Comment 5 2017-04-06 17:38:45 PDT

Comment on attachment 306438 [details] Patch for landing Clearing flags on attachment: 306438 Committed r215075: <http://trac.webkit.org/changeset/215075>

Sriram Krishnan

Comment 6 2017-05-31 15:48:38 PDT

@Wenson Hsieh - looks like the patch failed to apply on IOS - could some one take a look at this please?

Wenson Hsieh

Comment 7 2017-05-31 16:30:32 PDT

(In reply to Sriram Krishnan from comment #6) > @Wenson Hsieh - looks like the patch failed to apply on IOS - could some > one take a look at this please? The "Failed to apply" message is only on an iOS EWS bot.

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