Bug 219062

Summary: AX: Changes to aria-valuenow not announced by VoiceOver
Product: WebKit Reporter: Todd Kloots <todd.kloots>
Component: AccessibilityAssignee: Nobody <webkit-unassigned>
Status: RESOLVED MOVED    
Severity: Normal CC: cfleizach, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 14   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
Screen recording of using the ARIA separator widget with VoiceOver in Safari none

Description Todd Kloots 2020-11-17 18:53:42 PST 
Created attachment 414399 [details]
Screen recording of using the ARIA separator widget with VoiceOver in Safari

What steps will reproduce the problem?
1. Start VoiceOver
2. Go to https://codepen.io/toddlr/pen/yLJroBO
3. Use the tab key to move focus to the ARIA separator widget in the example
4. Press the left or right arrow key to change the size of the left column
5. Observe how VoiceOver does not announce the changes to the aria-valuenow property as the arrow keys are pressed
Comment 1 Radar WebKit Bug Importer 2020-11-17 18:54:00 PST 
<rdar://problem/71518676>
Comment 2 chris fleizach 2020-11-20 11:08:04 PST 
In this example, we're also seeing the selected text range change as you adjust the splitter. I don't think it's required that those two go hand in hand, but at least in this example, after fixing, there are still spurious text changes being generated
Comment 3 chris fleizach 2020-11-20 11:08:28 PST 
Also this has been determined to be a Voiceover bug, so it will be moved to the right component