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Fire the pageswap event when navigating away from a document #10002

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merged 29 commits into from
Feb 29, 2024
Merged

Fire the pageswap event when navigating away from a document #10002

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23813c5
WIP pageconceal
noamr Dec 18, 2023
6f7968f
Add to attr
noamr Dec 18, 2023
9aceb96
Fix markup
noamr Dec 18, 2023
aa8a381
Fix markup
noamr Dec 18, 2023
49cc9a7
Small fixes
noamr Dec 18, 2023
7e6aa9b
Small fixes
noamr Dec 18, 2023
2c4137c
Rebase
noamr Jan 18, 2024
adbcfd9
nit
noamr Jan 18, 2024
7bb182c
Make conceal work when there is no vt
noamr Jan 19, 2024
cded3ec
nit
noamr Jan 19, 2024
b5adeff
Fix a few typos
noamr Jan 19, 2024
0d38204
nits
noamr Feb 1, 2024
f0034fa
nits
noamr Feb 2, 2024
dedbdac
Make unload steps proceed in traversal queue
noamr Feb 5, 2024
24daea9
Fix end tag
noamr Feb 5, 2024
ad13901
Fix end tag
noamr Feb 5, 2024
dd7cfc3
Fix end tag
noamr Feb 5, 2024
e9820a0
Swap order
noamr Feb 5, 2024
a59d097
Refine notes
noamr Feb 5, 2024
1b8db29
should->can
noamr Feb 5, 2024
72a4375
Minor rewords
noamr Feb 6, 2024
85ff0a3
Rename to
noamr Feb 8, 2024
623ed9d
nit
noamr Feb 8, 2024
74d5f19
A bunch of editorials
noamr Feb 27, 2024
1937d5b
Update domintro
noamr Feb 27, 2024
c5e52df
subdfn
noamr Feb 27, 2024
e0377e2
subdfn
noamr Feb 27, 2024
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subdfn
noamr Feb 27, 2024
105c1c6
Final nits
domenic Feb 29, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -4030,6 +4030,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions/#activate-view-transition">activate view transition</dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions/#viewtransition"><code>ViewTransition</code></dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions-2/#resolve-cross-document-view-transition">resolving cross-document view-transition</dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions-2/#setup-cross-document-view-transition">setting up a cross-document view-transition</dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions-2/#can-navigation-trigger-a-cross-document-view-transition">can navigation trigger a cross-document view-transition?</dfn>
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<li><dfn data-x-href="https://drafts.csswg.org/css-view-transitions-2/#resolve-view-transition-rule">resolve <code>@view-transition</code> rule</dfn>
</ul>

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<p>The term <dfn data-x="css-styling-attribute"
Expand Down Expand Up @@ -17871,6 +17874,7 @@ console.log(style.disabled); // false</code></pre>
<dd><code data-x="handler-window-onmessageerror">onmessageerror</code></dd>
<dd><code data-x="handler-window-onoffline">onoffline</code></dd>
<dd><code data-x="handler-window-ononline">ononline</code></dd>
<dd><code data-x="handler-window-onpageconceal">onpageconceal</code></dd>
<dd><code data-x="handler-window-onpagehide">onpagehide</code></dd>
<dd><code data-x="handler-window-onpagereveal">onpagereveal</code></dd>
<dd><code data-x="handler-window-onpageshow">onpageshow</code></dd>
Expand Down Expand Up @@ -93281,7 +93285,7 @@ interface <dfn interface>NavigationTransition</dfn> {
<pre><code class="idl">[Exposed=Window]
interface <dfn interface>NavigationActivation</dfn> {
readonly attribute <span>NavigationHistoryEntry</span>? <span data-x="dom-NavigationActivation-from">from</span>;
readonly attribute <span>NavigationHistoryEntry</span> <span data-x="dom-NavigationActivation-entry">entry</span>;
readonly attribute <span>NavigationHistoryEntry</span>? <span data-x="dom-NavigationActivation-entry">entry</span>;
readonly attribute <span>NavigationType</span> <span data-x="dom-NavigationActivation-navigationType">navigationType</span>;
};</code></pre>

Expand All @@ -93302,7 +93306,10 @@ interface <dfn interface>NavigationActivation</dfn> {
<dt><code data-x=""><span data-x="dom-navigation">navigation</span>.<span data-x="dom-Navigation-activation">activation</span>.<span subdfn data-x="dom-NavigationActivation-entry">entry</span></code></dt>
<dd><p>A <code>NavigationHistoryEntry</code>, equivalent to the value of the <code
data-x="dom-Navigation-currentEntry">navigation.currentEntry</code> property at the moment the
<code>Document</code> was activated.</p></dd>
<code>Document</code> was activated. This can be null if accessed from a
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<code>PageConcealEvent</code>, but is guaranteed to be non-null if accessed from <code
data-x=""><span data-x="dom-navigation">navigation</span>.<span
data-x="dom-Navigation-activation">activation</span></code>.</p></dd>

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<dt><code data-x=""><span data-x="dom-navigation">navigation</span>.<span data-x="dom-Navigation-activation">activation</span>.<span subdfn data-x="dom-NavigationActivation-from">from</span></code></dt>
<dd>
Expand Down Expand Up @@ -93342,7 +93349,7 @@ interface <dfn interface>NavigationActivation</dfn> {
<li><p><dfn data-x="nav-activation-old-entry">old entry</dfn>, null or a
<code>NavigationHistoryEntry</code>.</p></li>

<li><p><dfn data-x="nav-activation-new-entry">new entry</dfn>, a
<li><p><dfn data-x="nav-activation-new-entry">new entry</dfn>, null or a
<code>NavigationHistoryEntry</code>.</p></li>

<li><p><dfn data-x="nav-activation-navigation-type">navigation type</dfn>, a
Expand Down Expand Up @@ -94755,6 +94762,43 @@ dictionary <dfn dictionary>HashChangeEventInit</dfn> : <span>EventInit</span> {
</div>


<h5>The <code>PageConcealEvent</code> interface</h5>

<pre><code class="idl">[Exposed=Window]
interface <dfn interface>PageConcealEvent</dfn> : <span>Event</span> {
constructor(DOMString type, optional <span>PageConcealEventInit</span> eventInitDict);
readonly attribute <code>NavigationActivation</code> <span data-x="dom-PageConcealEvent-activation">activation</span>;
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readonly attribute <code>ViewTransition</code>? <span data-x="dom-PageConcealEvent-viewTransition">viewTransition</span>;
};

dictionary <dfn dictionary>PageConcealEventInit</dfn> : <span>EventInit</span> {
required <span>NavigationActivation</span> <dfn dict-member for="PageConcealEventInit" data-x="dom-PageConcealEventInit-activation">activation</dfn>;
<code>ViewTransition</code>? <dfn dict-member for="PageConcealEventInit" data-x="dom-PageConcealEventInit-viewTransition">viewTransition</dfn> = null;
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};</code></pre>
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<dl class="domintro">
<dt><code data-x=""><var>event</var>.<span subdfn data-x="dom-PageConcealEvent-activation">activation</span></code></dt>
<dd><p>A <code>NavigationActivation</code> object representing the destination and type of the
committed navigation.</p></dd>

<dt><code data-x=""><var>event</var>.<span subdfn data-x="dom-PageConcealEvent-viewTransition">viewTransition</span></code></dt>
<dd>
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<p>Returns the <code>ViewTransition</code> object that represents an outbound cross-document view
transition, if such transition is active when the event is fired. Otherwise, returns null.</p>
</dd>
</dl>

<div w-nodev>

<p>The <dfn attribute for="PageConcealEvent"><code
data-x="dom-PageConcealEvent-activation">activation</code></dfn> attribute and <dfn attribute
for="PageConcealEvent"><code
data-x="dom-PageConcealEvent-viewTransition">viewTransition</code></dfn> attributes must return
the value they were initialized to.</p>

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</div>


<h5>The <code>PageRevealEvent</code> interface</h5>
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<pre><code class="idl">[Exposed=Window]
Expand Down Expand Up @@ -97466,6 +97510,9 @@ location.href = '#foo';</code></pre>

<dt><dfn data-x="source-snapshot-params-policy-container">source policy container</dfn></dt>
<dd>a <span>policy container</span></dd>

<dt><dfn data-x="source-snapshot-params-view-transition">view transition enabled</dfn>
<dd>a boolean</dd>
</dl>

<p>To <dfn data-x="snapshotting source snapshot params">snapshot source snapshot params</dfn>
Expand All @@ -97490,6 +97537,10 @@ location.href = '#foo';</code></pre>
<dt><span data-x="source-snapshot-params-policy-container">source policy container</span></dt>
<dd><var>sourceDocument</var>'s <span data-x="concept-document-policy-container">policy
container</span></dd>

<dt><span data-x="source-snapshot-params-view-transition">view transition enabled</span></dt>
<dd>false if the result of calling <span>resolve <code>@view-transition</code> rule</span> given
<var>sourceDocument</var> returns "<code data-x="">skip transition</code>"; Otherwise true</dd>
</dl>

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<hr>
Expand Down Expand Up @@ -101105,9 +101156,68 @@ location.href = '#foo';</code></pre>
<p>If <var>changingNavigableContinuation</var>'s <span
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data-x="changing-nav-continuation-update-only">update-only</span> is false, and
<var>targetEntry</var>'s <span data-x="she-document">document</span> does not equal
<var>displayedDocument</var>, then <span>unload a document and its descendants</span> given
<var>displayedDocument</var>, <var>targetEntry</var>'s <span
data-x="she-document">document</span>, and <var>afterPotentialUnloads</var>.</p>
<var>displayedDocument</var>, then:</p>

<ol>
<li><p>Let <var>potentiallyTriggerViewTransition</var> be false.</p></li>

<li><p>Let <var>isBrowserUINavigation</var> be true if
<var>userInvolvementForNavigateEvent</var> is "<code
data-x="uni-browser-ui">browser UI</code>"; otherwise true.</p></li>

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<li><p>If <var>sourceSnapshotParams</var> is not null and <var>sourceSnapshotParams</var>'s
<span data-x="source-snapshot-params-view-transition">view transition enabled</span> is true,
then set <var>potentiallyTriggerViewTransition</var> to the result of calling
<span>can navigation trigger a cross-document view-transition?</span> given
<var>displayedDocument</var>'s <span data-x="concept-document-origin">origin</span>,
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<var>targetEntry</var>'s <span data-x="she-document">document</span>'s <span
data-x="concept-document-origin">origin</span>, <var>targetEntry</var>'s <span
data-x="she-document">document</span>'s <span>was created via cross-origin redirects</span>,
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<var>navigationType</var>, and <var>isBrowserUINavigation</var>.

<li><p>Let <var>concealStepForNavigation</var> given a <code>ViewTransition</code>-or-null
<var>viewTransition</var> be to <span>conceal</span> <var>displayedDocument</var> given
<var>targetEntry</var>, <var>navigationType</var>, and <var>viewTransition</var>.</p></li>

<li>
<p>Let <var>unloadSteps</var> be the following steps given an optional boolean
<var>shouldFireConcealEventBeforeUnload</var> (default false):</p>

<ol>
<li><p>Let <var>concealStep</var> be an algorithm that does nothing.</p></li>

<li><p>If <var>shouldFireConcealEventBeforeUnload</var> is true, then set
<var>concealStep</var> to the following step: run
<var>concealStepForNavigation</var> given null.</p></li>

<li><p><span>Unload a document and its descendants</span> given
<var>displayedDocument</var>, <var>targetEntry</var>'s <span
data-x="she-document">document</span>, <var>afterPotentialUnloads</var>, and
<var>concealStep</var>.</p>
</ol>

<li><p>If <var>potentiallyTriggerViewTransition</var> is false, then run
<var>unloadSteps</var> given true.</p></li>

<li>
<p>Otherwise, <span>queue a global task</span> on the
<span>navigation and traversal task source</span> given <var>navigable</var>'s <span
data-x="nav-window">active window</span> to run the steps:</p>

<ol>
<li><p>Let <var>viewTransition</var> be the result of
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<span>setting up a cross-document view-transition</span> given
<var>displayedDocument</var>, <var>targetEntry</var>'s <span
data-x="she-document">document</span>, <var>navigationType</var>, and
<var>unloadSteps</var>.</p></li>
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<li><p>Run <var>fireConcealEventForThisNavigation</var> given
<var>viewTransition</var>.</p></li>

<li><p>If <var>viewTransition</var> is null, then run <var>unloadSteps</var>.</p></li>
</ol>
</li>
</ol>

<p>Otherwise, <span>queue a global task</span> on the <span>navigation and traversal task
source</span> given <var>navigable</var>'s <span data-x="nav-window">active window</span> to
Expand Down Expand Up @@ -101772,7 +101882,7 @@ location.href = '#foo';</code></pre>
</ol>


<h5>Revealing the document</h5>
<h5>Revealing and concealing the document</h5>

<p>A <code>Document</code> has a boolean <dfn>has been revealed</dfn>, initially false. It is used
to ensure that the <code data-x="event-pagereveal">pagereveal</code> event is fired once for each
Expand Down Expand Up @@ -101805,6 +101915,69 @@ location.href = '#foo';</code></pre>
the presence of a <code data-x="event-pagereveal">pagereveal</code> handler from delaying the
presentation of such cached frame.</p>

<p>To <dfn>conceal</dfn> a <code>Document</code> <var>document</var>, given a
<span>session history entry</span> <var>targetEntry</var>, a <code>NavigationType</code>
<var>navigationType</var>, and a <code>ViewTransition</code>-or-null
<var>viewTransition</var> (default null):

<ol>
<li><p>Let <var>navigation</var> be <var>document</var>'s
<span>relevant global object</span>'s <span
data-x="window-navigation-api">navigation API</span>.</p></li>

<li>
<p>Let <var>destinationEntry</var> be determined by switching on
<var>navigationType</var>:</p>

<dl class="switch">
<dt>"<code data-x="dom-NavigationType-reload">reload</code>"</dt>
<dd><p>The <span data-x="navigation-current-entry">current entry</span> of
<var>navigation</var></p></dd>

<dt>"<code data-x="dom-NavigationType-traverse">traverse</code>"</dt>
<dd><p>The <code>NavigationHistoryEntry</code> in <var>navigation</var>'s <span
data-x="navigation-entry-list">entry list</span> whose <span
data-x="nhe-she">session history entry</span> is <var>targetEntry</var></p></dd>

<dt>"<code data-x="dom-NavigationType-push">push</code>"</dt>
<dt>"<code data-x="dom-NavigationType-replace">replace</code>"</dt>
<dd><p>If <var>targetEntry</var>'s <span data-x="she-document">span</span>'s <span
data-x="concept-document-origin">origin</span> is <span>same origin</span> with
<var>document</var>'s <span data-x="concept-document-origin">origin</span>, a new
<code>NavigationHistoryEntry</code> in <var>document</var>'s <span
data-x="concept-relevant-realm">relevant realm</span> with its <span
data-x="nhe-she">session history entry</span> set to <var>targetEntry</var>; Otherwise
null.</p></dd>
</dl>
</li>

<li>
<p>Let <var>activation</var> be a <span>new</span> <code>NavigationActivation</code>
created in <var>document</var>'s <span data-x="concept-relevant-realm">relevant
realm</span>, with</p>

<dl class="props">
<dt><span data-x="nav-activation-old-entry">old entry</span></dt>
<dd>The <span data-x="navigation-current-entry">current entry</span> of
<var>navigation</var>.</dd>

<dt><span data-x="nav-activation-new-entry">new entry</span></dt>
<dd><var>destinationEntry</var></dd>

<dt><span data-x="nav-activation-navigation-type">navigationType</span></dt>
<dd><var>navigationType</var></dd>
</dl>
</li>

<li><p><span data-x="concept-event-fire">Fire an event</span> named
<code data-x="event-pageconceal">pageconceal</code> at <var>document</var>'s
<span>relevant global object</span>, using <code>PageConcealEvent</code> with its <code
data-x="dom-PageConcealEvent-activation">activation</code> set to <var>activation</var>,
and its <code data-x="dom-PageConcealEvent-viewTransition">viewTransition</code> set to
<var>viewTransition</var>.</p></li>
</ol>



<h5>Scrolling to a fragment</h5>

Expand Down Expand Up @@ -102979,7 +103152,8 @@ new PaymentRequest(&hellip;); // Allowed to use

<p>To <dfn>unload a document and its descendants</dfn>, given a <code>Document</code>
<var>document</var>, an optional <code>Document</code>-or-null <var>newDocument</var> (default
null), and an optional set of steps <var>afterAllUnloads</var>:</p>
null), an optional set of steps <var>afterAllUnloads</var>, and an optional set of steps
<var>concealSteps</var>:</p>

<ol>
<li><p><span>Assert</span>: this is running within <var>document</var>'s <span>node
Expand Down Expand Up @@ -103017,6 +103191,8 @@ new PaymentRequest(&hellip;); // Allowed to use
steps:</p>

<ol>
<li><p>If <var>concealSteps</var> is given, then run <var>concealSteps</var>.</p></li>

<li><p><span data-x="unload a document">Unload</span> <var>document</var>, passing along
<var>newDocument</var> if it is not null.</p></li>

Expand Down Expand Up @@ -110374,6 +110550,7 @@ typedef <span>OnBeforeUnloadEventHandlerNonNull</span>? <dfn typedef>OnBeforeUnl
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onmessageerror">onmessageerror</code></dfn> <td> <code data-x="event-messageerror">messageerror</code> <!-- new for SAB -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onoffline">onoffline</code></dfn> <td> <code data-x="event-offline">offline</code> <!-- new -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-ononline">ononline</code></dfn> <td> <code data-x="event-online">online</code> <!-- new -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onpageconceal">onpageconceal</code></dfn> <td> <code data-x="event-pageconceal">pageconceal</code> <!-- new -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onpagehide">onpagehide</code></dfn> <td> <code data-x="event-pagehide">pagehide</code> <!-- new -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onpagereveal">onpagereveal</code></dfn> <td> <code data-x="event-pagereveal">pagereveal</code> <!-- new -->
<tr><td><dfn attribute for="WindowEventHandlers"><code data-x="handler-window-onpageshow">onpageshow</code></dfn> <td> <code data-x="event-pageshow">pageshow</code> <!-- new -->
Expand Down Expand Up @@ -136262,6 +136439,7 @@ interface <dfn interface>External</dfn> {
<code data-x="handler-window-onmessageerror">onmessageerror</code>;
<code data-x="handler-window-onoffline">onoffline</code>;
<code data-x="handler-window-ononline">ononline</code>;
<code data-x="handler-window-onpageconceal">onpageconceal</code>;
<code data-x="handler-window-onpagehide">onpagehide</code>;
<code data-x="handler-window-onpagereveal">onpagereveal</code>;
<code data-x="handler-window-onpageshow">onpageshow</code>;
Expand Down Expand Up @@ -139512,6 +139690,12 @@ interface <dfn interface>External</dfn> {
<td> <code data-x="event-online">online</code> event handler for <code>Window</code> object
<td> <span data-x="event handler content attributes">Event handler content attribute</span>

<tr>
<th id="ix-handler-window-onpageconceal"> <code data-x="">onpageconceal</code>
<td> <code data-x="handler-window-onpageconceal">body</code>
<td> <code data-x="event-pageconceal">pageconceal</code> event handler for <code>Window</code> object
<td> <span data-x="event handler content attributes">Event handler content attribute</span>

<tr>
<th id="ix-handler-window-onpagehide"> <code data-x="">onpagehide</code>
<td> <code data-x="handler-window-onpagehide">body</code>
Expand Down Expand Up @@ -140387,6 +140571,13 @@ INSERT INTERFACES HERE
<td> <code>EventSource</code>
<td> Fired at <code>EventSource</code> objects when a connection is established

<tr> <!-- pageconceal -->
<td> <dfn event for="Window"><code data-x="event-pageconceal">pageconceal</code></dfn>
<td> <code>PageConcealEvent</code>
<td> <code>Window</code>
<td>Fired at the <code>Window</code> right before a document is <span
data-x="unload a document">unloaded</span> as a result of a same-origin navigation.

<tr> <!-- pagehide -->
<td> <dfn event for="Window"><code data-x="event-pagehide">pagehide</code></dfn>
<td> <code>PageTransitionEvent</code>
Expand Down
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