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Infra for firing focusreset #1512

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Infra for firing focusreset #1512

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24 changes: 24 additions & 0 deletions dom.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -3972,6 +3972,10 @@ must return null.
<p>Each <a>similar-origin window agent</a> also has a <dfn noexport>mutation observer counter</dfn>
(a number), which is initially 0.

<p>Each <a>similar-origin window agent</a> also has
<dfn export>pending focus reset documents</dfn> (a <a for=/>set</a> of zero or more
<a for=/>documents</a>), which is initially empty.

<div algorithm>
<p>To
<dfn id=queue-a-mutation-observer-compound-microtask>queue a mutation observer microtask</dfn>:
Expand All @@ -3986,6 +3990,17 @@ must return null.
</ol>
</div>

<div algorithm>
<p>To <dfn export>signal a focus reset</dfn> for a <a for=/>document</a> <var>document</var>:

<ol>
<li><p><a for=set>Append</a> <var>document</var> to <var>document</var>'s <a>relevant agent</a>'s
<a>pending focus reset documents</a>.

<li><p><a>Queue a mutation observer microtask</a>.
</ol>
</div>

<div algorithm="notify mutation observers">
<p>To <dfn export>notify mutation observers</dfn>:

Expand Down Expand Up @@ -4023,6 +4038,15 @@ must return null.
<li><p><a for=set>For each</a> <var>slot</var> of <var>signalSet</var>: <a>fire an event</a> named
<dfn event for=HTMLSlotElement>slotchange</dfn>, with its {{Event/bubbles}} attribute set to true,
at <var>slot</var>.

<li><p>Let <var>focusResetDocuments</var> be a <a for=set>clone</a> of the
<a>surrounding agent</a>'s <a>pending focus reset documents</a>.

<li><p><a for=set>Empty</a> the <a>surrounding agent</a>'s
<a>pending focus reset documents</a>.

<li><p><a for=set>For each</a> <var>doc</var> of <var>focusResetDocuments</var>:
<a>fire an event</a> named <dfn event for=Document>focusreset</dfn> at <var>doc</var>.
</ol>
</div>

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