1901633 - Cannot focus/change selection with keyboard in radio group where first button is disabled

Status: VERIFIED FIXED

(Core :: DOM: UI Events & Focus Handling, defect, P2)

Description

[Morgan Reschenberg [:morgan]]

STR:

1. Load https://jsfiddle.net/hmjones/17d5j4br/22/
2. Attempt to tab to the radio group
3. Attempt to change selection with arrow keys

Expected:
Selection changes, the same way it does when a user clicks with a mouse

Actual:
The buttons cannot be focused or interacted with

Comment 1

[Morgan Reschenberg [:morgan]]

cc: Jamie, this is the bug we talked about in our last 1:1

Comment 2

[James Teh [:Jamie]]

Distilled test case:
data:text/html,<button>before</button><label><input type="radio" name="r" checked disabled>1</label><label><input type="radio" name="r">2

Comment 3

[James Teh [:Jamie]]

Attachment: Bug 1901633: Focus the first possible radio button in a group if the selected radio button is disabled or hidden.

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/30eaedcc0fff
Focus the first possible radio button in a group if the selected radio button is disabled or hidden. r=smaug

Comment 5

[pstanciu]

https://hg.mozilla.org/mozilla-central/rev/30eaedcc0fff

Comment 6

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

Reproducible on a 2024-06-10 Nightly build on Windows 10.
Verified as fixed on Firefox 129.0b2 and Firefox Nightly 130.0a1 on Windows 10, macOS 14, Ubuntu 22.