[Webkit-unassigned] [Bug 152074] New: AX: HTML accesskeys should not be invoked for hidden elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152074

            Bug ID: 152074
           Summary: AX: HTML accesskeys should not be invoked for hidden
                    elements
    Classification: Unclassified
           Product: WebKit
           Version: Safari 9
          Hardware: All
                OS: All
            Status: NEW
          Severity: Minor
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bogdan.brinza at gmail.com
                CC: webkit-bug-importer at group.apple.com

Found this issue while investigating accesskey interop, at this point there is no known live site impact.

What steps will reproduce the problem?
1. http://jsfiddle.net/x7tqnppy/
2. Try to trigger button with accesskey=2

In Edge and Firefox the button can be invoked only when it's not hidden, which is per spec behavior. In Safari (and Chrome on Mac for that matter) the button can be invoked at any moment regardless of hidden state.

http://www.w3.org/html/wg/drafts/html/master/editing.html#the-accesskey-attribute

"When the user presses the key combination corresponding to the assigned access key for an element, if the element defines a command, the command's Hidden State facet is false (visible), the command's Disabled State facet is also false (enabled), the element is in a Document that has an associated browsing context, and neither the element nor any of its ancestors has a hidden attribute specified, then the user agent must trigger the Action of the command."

https://html.spec.whatwg.org/multipage/forms.html#commands

User agents may expose the commands that match the following criteria:
• The Hidden State facet is false (visible)
• The element is in a Document that has an associated browsing context.
• Neither the element nor any of its ancestors has a hidden attribute specified.
• The element is not a menuitem element, or it is a child of a currently relevant menu element, or it has an Access Key.

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