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Re: The Unwanted Effect of XBL Shadow DOM Elements on Layout

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Thu, 7 Apr 2011 13:31:06 -0700
Message-ID: <BANLkTinDSZEpR+MAfj09Js4MRQfSuX9Otg@mail.gmail.com>
To: Boris Zbarsky <bzbarsky@mit.edu>
Cc: www-style list <www-style@w3.org>
On Thu, Apr 7, 2011 at 1:20 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> On 4/7/11 8:43 AM, Tab Atkins Jr. wrote:
>> We have also run into this problem in our discussion of
>> XBL2/Component use-cases, and in fact already use essentially this
>> concept in our Component implementation - the root of a shadow tree is
>> implemented as an element, but it doesn't appear in the box tree.
> That's quite different from the problem Lachlan is talking about.  What
> you're saying is that the root of the shadow tree does not appear in the
> final flattened tree at all, which is true.  What Lachlan wants is things
> that appear in the final flattened tree but do not generate boxes of their
> own; their children's boxes are just placed in their parent instead.

For our own implementation purposes, they are equivalent (I think) -
the shadow root is treated as part of the document, in that the shadow
nodes see it as an ancestor, but it's transparent when constructing
the render tree.

Received on Thursday, 7 April 2011 20:31:53 UTC

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