Nvda: Firefox: Details/summary expanding and collapsing actions not voiced

[juleskuehn]

Steps to reproduce: Open this detail/summary test case in Firefox 61 with NVDA running. Expand and collapse by activating the summary control with keyboard.

Actual behavior: The expansion or collapse is not voiced on activation of summary, so the user cannot tell if the section has expanded.

Expected behavior: The expansion or collapse is voiced on activation of summary.

System configuration: Windows 10, Firefox 61.

NVDA Installed/portable/running from source: Installed

NVDA version: 2018.2.1

Windows version: Windows 10 Pro 1703

Name and version of other software in use when reproducing the issue: Firefox 61.0.2

Other information about your system:

Other questions:

Does the issue still occur after restarting your PC? Yes

Have you tried any other versions of NVDA? No

Other test cases and results related to detail/summary support with screen readers and browsers

[DrSooom]

Same result with NVDA 2018.1 and Firefox 56.0.2. Changing this value is correctly updated in braille, but not spoken.

[juleskuehn]

This also happens with Chrome 68 on a different test case.

[grahamarmfield]

This is still occurring in NVDA 2018.4 with Firefox 64 on Windows 10.

Compare how NVDA behaves when aria-expanded value on a button toggles from 'false' to 'true' and back again.

This would be a useful enhancement in how NVDA functions - facilitating the use of a native way of implementing accordions without relying on scripting and aria.

[grahamarmfield]

I have just retested this with NVDA 2019.2 and the issue is still occurring - ie that the 'expanded' and 'collapsed' state changes are not announced when users interact with the <summary> and <details> elements.

Are there any plans to update NVDA functionality to dynamically announce the state changes on the <summary> and <details> elements?

[amandarush]

I've tested this using Firefox 68.0.2 and am getting the same reported result, namely that expand/colapse of

[amandarush]

I am using: NVDA 2019.2. Forgot to add that to the previous comment.

[Adriani90]

cc: @jcsteh, @MarcoZehe

[jcsteh]

This is a bug in Firefox which is currently being worked on. https://bugzilla.mozilla.org/show_bug.cgi?id=1277201

[mfranzke]

The latest commit related to that mozilla bugzilla ticket sounds promising ! It's stated as fixed now.

[jcsteh]

Yes, this is fixed for Firefox 71, available now to test in Firefox Nightly.