Bug 249976

Summary:

WKWebView steals first responder when focused via VoiceOver

Product:

WebKit

Reporter:

Saagar Jha <saagar>

Component:

Accessibility

Assignee:

Tyler Wilcock <tyler_w>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

aboxhall, andresg_22, apinheiro, cfleizach, dmazzoni, ews-watchlist, jcraig, jdiggs, samuel_white, tyler_w, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

Safari 16

Hardware:

iPhone / iPad

OS:

iOS 16

See Also:

https://bugs.webkit.org/show_bug.cgi?id=234885

Attachments:

Description	Flags
Patch	none
Patch	none

Saagar Jha

Reported 2022-12-31 17:13:02 PST

https://bugs.webkit.org/show_bug.cgi?id=234885 adds behavior to WebKit to forcefully, and asynchronously, steal first responder when the web view is focused with VoiceOver. This breaks input in our app, iSH (https://ish.app), for users who rely on accessibility technologies. Our app implements a terminal view that is rendered in a web view, but with us handling text input. In other words, we (our native terminal code) intentionally request first responder, while handing the web view focus. On recent versions of iOS the web view immediately tries to steal first responder status if it receives focus via VoiceOver, which means the keyboard disappears and users can no longer enter text. We cannot have the web view be first responder because it doesn't provide all the APIs that UIKit does to control cursor movement and text editing. A way to disable this new behavior would be nice to have, or better yet, suggestions on how we can achieve the functionality we need with this in place :)

Attachments
Patch (7.37 KB, patch) 2023-02-16 12:00 PST, Tyler Wilcock	no flags	Details Formatted Diff Diff
Patch (8.56 KB, patch) 2023-02-16 22:01 PST, Tyler Wilcock	no flags	Details Formatted Diff Diff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2022-12-31 17:13:13 PST

<rdar://problem/103794378>

Tyler Wilcock

Comment 2 2023-02-16 12:00:27 PST

Created attachment 465029 [details] Patch

Tyler Wilcock

Comment 3 2023-02-16 22:01:54 PST

Created attachment 465044 [details] Patch

Tyler Wilcock

Comment 4 2023-02-17 20:07:55 PST

Thanks for the bug report!

EWS

Comment 5 2023-02-17 20:51:44 PST

Committed 260491@main (6c019d315e83): <https://commits.webkit.org/260491@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 465044 [details].

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