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Improve the list of the descendant browsing contexts #5089

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Nov 19, 2019
Merged

Improve the list of the descendant browsing contexts #5089

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1fca31a
Editorial: refactor the list of the descendant browsing contexts
annevk Nov 15, 2019
c1438f8
Make list of the descendant browsing contexts account for shadow trees
annevk Nov 15, 2019
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27 changes: 13 additions & 14 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -2516,6 +2516,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<dfn data-x="map iterate" data-x-href="https://infra.spec.whatwg.org/#map-iterate">iterate</dfn></li>
<li>The <dfn data-x-href="https://infra.spec.whatwg.org/#list">list</dfn> data structure and the associated definitions for
<dfn data-x="list append" data-x-href="https://infra.spec.whatwg.org/#list-append">append</dfn>,
<dfn data-x="list extend" data-x-href="https://infra.spec.whatwg.org/#list-extend">extend</dfn>,
<dfn data-x="list replace" data-x-href="https://infra.spec.whatwg.org/#list-remove">replace</dfn>,
<dfn data-x="list remove" data-x-href="https://infra.spec.whatwg.org/#list-remove">remove</dfn>,
<dfn data-x="list empty" data-x-href="https://infra.spec.whatwg.org/#list-empty">empty</dfn>,
Expand Down Expand Up @@ -78642,29 +78643,27 @@ dictionary <dfn>DragEventInit</dfn> : <span>MouseEventInit</span> {
is the (ordered) list returned by the following algorithm:</p>

<ol>

<li><p>Let <var>list</var> be an empty list.</p></li>
<li><p>Let <var>list</var> be an empty <span>list</span>.</p></li>

<li>

<p>For each <span>child browsing context</span> of <var>d</var> that is <span data-x="browsing
context nested through">nested through</span> an element that is <span data-x="in a document">in
the <code>Document</code></span> <var>d</var>, in the <span>tree order</span> of the elements
nesting those <span data-x="browsing context">browsing contexts</span>, run these substeps:</p>
<p>For each <span>browsing context container</span> <var>container</var>, whose <span>nested
browsing context</span> is non-null and whose <span>shadow-including root</span> is
<var>d</var>, in <span>shadow-including tree order</span>:</p>
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<ol>
<li><p>Let <var>nestedBC</var> be <var>container</var>'s <span>nested browsing
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context</span>.</p></li>

<li><p>Append that <span>child browsing context</span> to the list <var>list</var>.</p>

<li><p>Append the <span>list of the descendant browsing contexts</span> of the <span>active
document</span> of that <span>child browsing context</span> to the list <var>list</var>.</p></li>
<li><p><span data-x="list append">Append</span> <var>nestedBC</var> to
<var>list</var>.</p></li>

<li><p><span data-x="list extend">Extend</span> <var>list</var> with the <span>list of the
descendant browsing contexts</span> of <var>nestedBC</var>'s <span>active
document</span>.</p></li>
</ol>

</li>

<li><p>Return the constructed <var>list</var>.</p></li>

<li><p>Return <var>list</var>.</p></li>
</ol>

<p>A <code>Document</code> is said to be <dfn data-export="" data-dfn-for="Document">fully
Expand Down