[Bug 23870] FKA: No defined way to get keyboard focus into and out of a shadow DOM component

https://www.w3.org/Bugs/Public/show_bug.cgi?id=23870

--- Comment #6 from James Craig <jcraig@apple.com> ---
The only lacking part I see now is that the spec does not address how a parent
document can prevent the focusability of elements inside a shadow DOM. For
example, shadow DOM implementations of <input type="date"> will likely include
several focusable elements (a popup dialog with menus, buttons, etc), whether
natively focusable or by adding tabindex="0". If an author explicitly disallows
focusability on the element by one of these methods:

<input type="date" disabled>
<input type="date" tabindex="-1">

...then I believe the sub-level shadow DOM elements should inherit the
non-focusability of the shadow host.

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Received on Friday, 31 January 2014 00:39:09 UTC