[Webkit-unassigned] [Bug 255149] New: elements with CSS display:contents are not focusable
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Apr 7 07:09:56 PDT 2023
https://bugs.webkit.org/show_bug.cgi?id=255149
Bug ID: 255149
Summary: elements with CSS display:contents are not focusable
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: DOM
Assignee: webkit-unassigned at lists.webkit.org
Reporter: dbaron at dbaron.org
This bug is based on the conclusion in https://github.com/w3c/csswg-drafts/issues/2632 (and was also discussed a bit in https://github.com/whatwg/html/issues/1837 ). In WebKit, elements with display: contents are not currently focusable, but they should be.
This behavior currently matches other browsers. However, I think this behavior is problematic because elements with display:contents are exposed to assistive technology as having their normal roles, and the contract for the meaning of accessibility roles includes support for certain role-specific keyboard interactions which often include focusability. So I think it's important that the exposure to AT (as agreed in the CSSWG in https://github.com/w3c/csswg-drafts/issues/2355 and I believe implemented in WebKit in https://bugs.webkit.org/show_bug.cgi?id=243486 ) match the focusability, which it currently does not.
Steps to reproduce:
1. load https://cdpn.io/aardrian/debug/NWqbggX (taken from two of the Gecko/Chromium bugs below)
2. press Option+Tab to cycle through buttons
Expected results: focus moves through all buttons (although perhaps no visual indication of focus on the display:contents button)
Actual results: focus skips the display:contents button
Parallel Chromium and Gecko bugs are:
https://bugs.chromium.org/p/chromium/issues/detail?id=1366037
https://bugzilla.mozilla.org/show_bug.cgi?id=1553549
https://bugzilla.mozilla.org/show_bug.cgi?id=1791648
I have a change to Chromium to fix this (though I haven't merged it yet, partly out of concern for whether other browsers are willing to match):
https://chromium-review.googlesource.com/c/chromium/src/+/3910374
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