[popover] moving keyboard focus out of a popover should dismiss it
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Description
Currently, clicking outside a popover dismisses it. However, using the keyboard to tab through links in a popover, and then to the next link outside the popover does not dismiss it. This means that if the next focussable element is 'underneath' the still-exposed popover, it is not visible.
This doesn't fall foul of WCAG SC 2.4.11 because "If the user can reveal the focused component without advancing the keyboard focus, the component with focus is not considered visually hidden due to author-created content.", and esc will light dismiss the popover. However, it feels annoying and inconsistent.
Should a popover light-dismiss when keyboard focus leaves it? I think so, if it does when mouse pointer leaves it.
Should we create a new declarative way to achieve light dismiss when focus leaves a popover?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the issue discussion and the existing statements about pointer dismissal, keyboard focus, WCAG SC 2.4.11, and Esc dismissal. Done means reaching a settled decision on whether focus leaving a popover should dismiss it and, if so, defining the proposed declarative behavior.
Written by the indexing model from the issue text.
Assessment
- Domain
- accessibility, frontend
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100