Bug 195174

Summary: AX: WebKit not posting SelectedChildrenChangedNotification for combobox
Product: WebKit Reporter: Eric Liang <ericliang>
Component: AccessibilityAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Blocker CC: ericliang, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
Attachments:
Description Flags
testcase none

Description Eric Liang 2019-02-28 11:04:16 PST 
WebKit not posting SelectedChildrenChangedNotification for combobox. Unable to use arrow keys to select items in web combo boxes.

Steps To Reproduce:

1. Turn on VoiceOver > in Safari, open https://webkit.org/blog-files/aria1.0/combobox_with_live_region_status.html
2. Type "ca" in the search field, and arrow down.

Results:

Nothing appears to happen when pressing down arrow, VoiceOver does not speak the combo box items and does not appear to select any of the available items.

Regression:

The way VO handles web combo boxes has started to regress in Sierra, according to <rdar://problem/29642584> Regression: VoiceOver reads incorrect selection in web comboboxes.

This appears to have further regressed since, as it’s now no longer possible to select combo box items using arrow keys at all.
Comment 1 Eric Liang 2019-02-28 11:04:57 PST 
Created attachment 363239 [details]
testcase
Comment 2 Eric Liang 2019-02-28 11:05:29 PST 
<rdar://problem/44551051>