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Fire "visibilitychange" events explicitly #7153

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merged 9 commits into from
Oct 15, 2021
Merged

Fire "visibilitychange" events explicitly #7153

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48de1dc
Fire "pagevisibility" events explicitly
noamr Oct 5, 2021
55fbec8
nit
noamr Oct 5, 2021
d2de735
Define visibilitychange as a Document event
noamr Oct 6, 2021
cf52ff2
Remove unused label
noamr Oct 7, 2021
4444fd7
Add onvisibilitychange
noamr Oct 15, 2021
a81a0be
typo
noamr Oct 15, 2021
16baa58
Missing IDL
noamr Oct 15, 2021
ef58f58
Fix ref
noamr Oct 15, 2021
c777ffd
Rewrap
domenic Oct 15, 2021
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59 changes: 30 additions & 29 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -9314,6 +9314,7 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {

// special <span>event handler IDL attributes</span> that only apply to Document objects
[<span>LegacyLenientThis</span>] attribute <span>EventHandler</span> <span data-x="handler-onreadystatechange">onreadystatechange</span>;
attribute <span>EventHandler</span> <span data-x="handler-onvisibilitychange">onvisibilitychange</span>;

// <a href="#Document-partial">also has obsolete members</a>
};
Expand Down Expand Up @@ -88419,13 +88420,9 @@ new PaymentRequest(&hellip;); // Allowed to use

<li><p>Set <var>newDocument</var>'s <span>page showing</span> flag to true.</p></li>

<li>
<p>Run any <dfn>session history document visibility change steps</dfn> for
<var>newDocument</var> that are defined by <span>other applicable specifications</span>.</p>

<p class="note">This is specifically intended for use by <cite>Page Visibility</cite>. <ref
spec=PAGEVIS></p>
</li>
<li><p>Fire an event named <code data-x="event-visibilitychange">visibilitychange</code> at
<var>newDocument</var>, with its <code data-x="dom-Event-bubbles">bubbles</code> attribute
initialized to true.</p></li>

<li><p><span>Fire a page transition event</span> named <code
data-x="event-pageshow">pageshow</code> at <var>newDocument</var>'s <span>relevant global
Expand Down Expand Up @@ -88878,40 +88875,36 @@ dictionary <dfn dictionary>PageTransitionEventInit</dfn> : <span>EventInit</span

<li><p>Increase <var>document</var>'s <span>unload counter</span> by 1.</p></li>

<li><p>If <var>document</var>'s <span>page showing</span> flag is false, then jump to the
step labeled <i>unload event</i> below (i.e. skip firing the <code
data-x="event-pagehide">pagehide</code> event and don't rerun the <span>unloading document
visibility change steps</span>).</p></li>

<li><p>Set <var>document</var>'s <span>page showing</span> flag to false.</p></li>

<li><p>If the user agent does not intend to keep <var>document</var> alive
in a <span>session history entry</span> (such that it can be reused later on <span
data-x="traverse the history">history traversal</span>), set <var>document</var>'s
<i data-x="concept-document-salvageable">salvageable</i> state to false.</p></li>

<li><p><span>Fire a page transition event</span> named <code
data-x="event-pagehide">pagehide</code> at <var>document</var>'s <span>relevant global
object</span> with <var>document</var>'s <i data-x="concept-document-salvageable">salvageable</i>
state.</p></li>

<li>
<p>Run any <dfn>unloading document visibility change steps</dfn> for <var>document</var> that
are defined by <span>other applicable specifications</span>.</p>
<p>If <var>document</var>'s <span>page showing</span> flag is true:</p>

<p class="note">This is specifically intended for use by <cite>Page Visibility</cite>.
<ref spec=PAGEVIS></p>
</li>
<ol>
<li><p>Set <var>document</var>'s <span>page showing</span> flag to false.</p></li>
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This is two-space indents, but it should be 1-space.

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Fixed


<li><p><span>Fire a page transition event</span> named <code
data-x="event-pagehide">pagehide</code> at <var>document</var>'s
<span>relevant global object</span> with <var>document</var>'s
<i data-x="concept-document-salvageable">salvageable</i> state.</p></li>

<li><p>Fire an event named <code data-x="event-visibilitychange">visibilitychange</code> at
<var>newDocument</var>, with its <code data-x="dom-Event-bubbles">bubbles</code> attribute
initialized to true.</p></li>
</ol>
</li>

<li><p>If <var>unloadTimingInfo</var> is not null, then set <var>unloadTimingInfo</var>'s
<span>unload event start time</span> to the <span>current high resolution time</span> given
<var>document</var>'s <span>relevant global object</span>.</p></li>

<li><p><i>Unload event</i>: If <var>document</var>'s <i
data-x="concept-document-salvageable">salvageable</i> state is false, then <span
data-x="concept-event-fire">fire an event</span> named <code data-x="event-unload">unload</code>
at <var>document</var>'s <span>relevant global object</span>, with <var>legacy target override
flag</var> set.</p></li>
<li><p>If <var>document</var>'s <i data-x="concept-document-salvageable">salvageable</i> state is
false, then <span data-x="concept-event-fire">fire an event</span> named
<code data-x="event-unload">unload</code> at <var>document</var>'s
<span>relevant global object</span>, with <var>legacy target override flag</var> set.</p></li>

<li><p>If <var>unloadTimingInfo</var> is not null, then set <var>unloadTimingInfo</var>'s
<span>unload event end time</span> to the <span>current high resolution time</span> given
Expand Down Expand Up @@ -95096,6 +95089,7 @@ typedef <span>OnBeforeUnloadEventHandlerNonNull</span>? <dfn typedef>OnBeforeUnl
<tr><th><span data-x="event handlers">Event handler</span> <th><span>Event handler event type</span>
<tbody>
<tr><td><dfn attribute for="Document"><code data-x="handler-onreadystatechange">onreadystatechange</code></dfn> <td> <code data-x="event-readystatechange">readystatechange</code>
<tr><td><dfn attribute for="Document"><code data-x="handler-onvisibilitychange">onvisibilitychange</code></dfn> <td> <code data-x="event-visibilitychange">visibilitychange</code>
</table>


Expand Down Expand Up @@ -125552,6 +125546,13 @@ INSERT INTERFACES HERE
<td> <code>Window</code>
<td> Fired at the <code>Window</code> object when the page is going away

<tr> <!-- visibilitychange -->
<td> <dfn event for="Document"><code data-x="event-visibilitychange">visibilitychange</code></dfn>
<td> <code>Event</code>
<td> <code>Document</code>
<td> Fired at the <code>Document</code> object when the page becomes visible or hidden to the
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This will just produce the literal text [[PAGEVIS]] in the output. In HTML you need to use <ref spec=PAGEVIS>. (And, if you do that, you need to not delete the reference on line 126072.)

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Fixed

user. <ref spec=PAGEVIS>

</table>

<p class="note">See also <a href="#mediaevents">media element events</a> and <a
Expand Down