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Only add dialog role to navigation when modal is open. #37434

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merged 1 commit into from
Dec 16, 2021

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tellthemachines
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@tellthemachines tellthemachines commented Dec 16, 2021

Description

Addresses part of #36600; alternative to #36617.

This PR adds the dialog role and aria-modal="true" to the navigation only when the modal is open. The attributes are added dynamically in both editor and front-end, so we don't need separate sets of markup for each state.

How has this been tested?

Tested with VoiceOver in Safari; if navigation is not in responsive mode no dialog role is present.

Screenshots

Types of changes

Bug fix (non-breaking change which fixes an issue)

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

@tellthemachines tellthemachines added [Block] Navigation Affects the Navigation Block [Type] Bug An existing feature does not function as intended Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta [Focus] Accessibility (a11y) Changes that impact accessibility and need corresponding review (e.g. markup changes). labels Dec 16, 2021
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Size Change: +25 B (0%)

Total Size: 1.13 MB

Filename Size Change
build/block-library/blocks/navigation/view.min.js 2.82 kB +29 B (+1%)
build/block-library/index.min.js 163 kB -4 B (0%)
ℹ️ View Unchanged
Filename Size
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compressed-size-action

return (
<>
{ ! isOpen && (
<Button
aria-haspopup="true"
aria-expanded={ isOpen }
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Thank you for removing the aria-expandedattribute here, since changing the button label is enough to convey the status the modal is currently in and what will happen when the button is activated. 👍

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This is working very well for me, thanks so much for working on this. It's less code, it's clearer, and as best I can tell it's working as intended: when collapsed, it's not a dialog:
collapsed-menu

When the modal is opened, it's a dialog:
modal-open

Giving a green check here based on my best ability, but I would appreciate if we could boost the confidence with testing by folks more skilled in the area. Thank you!

'aria-label': __( 'Menu' ),
} ),
};

return (
<>
{ ! isOpen && (
<Button
aria-haspopup="true"
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It's definitely a dialog, so I don't know whether it should be aria-haspop="dialog". It is a menu in a dialog, so maybe that makes it ok to use true. 🤔

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talldan commented Dec 16, 2021

Tested with VoiceOver in Safari; if navigation is not in responsive mode no dialog role is present.

Could you add testing instructions to the PR? I'm not really sure what I'm supposed to be testing. The issue isn't very clear, either as it's very long with multiple sets of instructions. On trunk I can't get the dialog to announce when it's closed, so I'm struggling to understand the problem.

I'm not sure this completely fixes #36600. One of the bits of feedback there was that it's hard to close the dialog, and I found this is still the case within the editor. Once I've navigated to the first block it's hard to get back. It seems to be because you need to use the horizontal arrow key to get to the button.

I haven't really tested this overlay menu much before, but it seems like there are a couple of issues still outstanding after this fix:

  • Keyboard navigation is still a bit unintuitive within the block editor.
  • The block toolbar is behind the overlay so it's impossible to change settings for links in the overlay (well, it is possible with the keyboard, but impossible with the mouse)

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Ok, I was able to figure out how to reproduce eventually and this does fix it. Nice one!

It might be nice to just return children when the menu isn't active, but I guess we can't guarantee the breakpoint a theme will use in JS.

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talldan commented Dec 16, 2021

I've unlinked the PR from the issue because I don't think we should close the issue until we address the other problems mentioned.

@talldan talldan merged commit 163ac4c into trunk Dec 16, 2021
@talldan talldan deleted the fix/nav-dialog-role branch December 16, 2021 09:23
@github-actions github-actions bot added this to the Gutenberg 12.3 milestone Dec 16, 2021
@tellthemachines tellthemachines removed the Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta label Dec 21, 2021
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[Block] Navigation Affects the Navigation Block [Focus] Accessibility (a11y) Changes that impact accessibility and need corresponding review (e.g. markup changes). [Type] Bug An existing feature does not function as intended
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4 participants