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Merged
domenic merged 5 commits into from
Apr 22, 2025
Merged

For #script-closable, clarify when a browsing context is created by script #11208

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For #script-closable, clarify when something is created by script
vinhill Apr 9, 2025
4bd8b86
move flag from BC to traversable navigable
vinhill Apr 17, 2025
38d190d
remove flag from BC
vinhill Apr 17, 2025
a2fbacf
editorial
vinhill Apr 22, 2025
a7843c7
Minor nits
domenic Apr 22, 2025
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25 changes: 20 additions & 5 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -91772,11 +91772,21 @@ dictionary <dfn dictionary>WindowPostMessageOptions</dfn> : <span>StructuredSeri
</li>
</ol>

<p>A <span>navigable</span> is <dfn>script-closable</dfn> if its <span data-x="nav-bc">active
browsing context</span> is an <span>auxiliary browsing context</span> that was created by a
script (as opposed to by an action of the user), or if it is a <span>top-level traversable</span>
whose <span data-x="tn-session-history-entries">session history entries</span>'s <span
data-x="list size">size</span> is 1.</p>
<p>A <span>navigable</span> is <dfn>script-closable</dfn> if it is a <span>top-level
traversable</span>, and any of the following are true:</p>

<ul>
<li>its <span>is created by web content</span> is true; or</li>

<li>its <span data-x="tn-session-history-entries">session history entries</span>'s <span
data-x="list size">size</span> is 1.</li>
</ul>

<!--
https://source.chromium.org/chromium/chromium/src/+/b20d6a654f6891ed49373d9f535d8618ded1e2e2
The session history check is a special case for one-off windows that need to open other windows
and then dispose of themselves. This use case might not be necessary anymore.
-->

<p>The <dfn attribute for="Window"><code data-x="dom-window-closed">closed</code></dfn> getter
steps are to return true if <span>this</span>'s <span data-x="window bc">browsing context</span>
Expand Down Expand Up @@ -98494,6 +98504,8 @@ interface <dfn interface>NotRestoredReasons</dfn> {
<p>See the <a href="#page-visibility">page visibility</a> section for the requirements on this
item.</p>
</li>

<li><p>An <dfn>is created by web content</dfn> boolean, initially false.</p></li>
</ul>

<p>To get the <dfn data-x="nav-traversable" export for="navigable">traversable navigable</dfn> of
Expand Down Expand Up @@ -99480,6 +99492,9 @@ interface <dfn interface>NotRestoredReasons</dfn> {
contexts flag</span> is set, then all the flags that are set in <var>sandboxingFlagSet</var>
must be set in <var>chosen</var>'s <span data-x="nav-bc">active browsing context</span>'s
<span>popup sandboxing flag set</span>.</p></li>

<li><p>Set <var>targetNavigable</var>'s <span>is created by web content</span> to
true.</p></li>
</ol>

<p class="note">If the newly created <span>navigable</span> <var>chosen</var> is immediately
Expand Down