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Add the ability to queue an element task. #5072

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merged 4 commits into from
Dec 5, 2019
Merged

Add the ability to queue an element task. #5072

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a9b250c
Add the ability to queue an element task.
dtapuska Nov 8, 2019
4327217
Make sure values are still passed in as optional.
dtapuska Nov 12, 2019
23c57a8
Nits and un-optional the microtask event loop
domenic Dec 4, 2019
39a1036
Add the appropriate task source
dtapuska Dec 4, 2019
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55 changes: 43 additions & 12 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -27905,7 +27905,8 @@ was an English &lt;a href="/wiki/Music_hall">music hall&lt;/a> singer, ...</code
pixel density</var>.</p></li>

<li>
<p><span>Queue a task</span> to:</p>
<p><span>Queue an element task</span> on the <span>DOM manipulation task source</span>
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given the <code>img</code> element and following steps:</p>

<ol>
<li><p>If <i>restart animation</i> is set, then <span>restart the
Expand Down Expand Up @@ -27955,12 +27956,20 @@ was an English &lt;a href="/wiki/Music_hall">music hall&lt;/a> singer, ...</code
image request</span> for the <span>current request</span> and the <span>pending request</span>,
and set <span>pending request</span> to null.</p></li>

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<li><p>&#x231B; <span>Queue a task</span> to change the <span>current request</span>'s <span
data-x="img-req-url">current URL</span> to the empty string, and then, if the element has a
<code data-x="attr-img-src">src</code> attribute or it <span data-x="use srcset or
picture">uses <code>srcset</code> or <code>picture</code></span>, <span
data-x="concept-event-fire">fire an event</span> named <code data-x="event-error">error</code>
at the <code>img</code> element.</p></li>
<li>
<p>&#x231B; <span>Queue an element task</span> on the <span>DOM manipulation task
source</span> given the <code>img</code> element and the following steps:</p>
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<ol>
<li><p>Change the <span>current request</span>'s <span data-x="img-req-url">current
URL</span> to the empty string.</p></li>

<li><p>If the element has a <code data-x="attr-img-src">src</code> attribute or it <span
data-x="use srcset or picture">uses <code>srcset</code> or <code>picture</code></span>, <span
data-x="concept-event-fire">fire an event</span> named <code
data-x="event-error">error</code> at the <code>img</code> element.</p></li>
</ol>
</li>

<li><p>&#x231B; Return.</p></li>
</ol>
Expand Down Expand Up @@ -91318,12 +91327,15 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {

<p>To <dfn data-export="">queue a task</dfn> on a <span>task source</span> <var>source</var>,
which performs a series of steps <var>steps</var>, optionally given an event loop <var>event
loop</var>:</p>
loop</var> and a document <var>document</var>:</p>

<ol>
<li><p>If <var>event loop</var> was not given, set <var>event loop</var> to the <span>implied
event loop</span>.</p></li>
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<li><p>If <var>document</var> was not given, set <var>document</var> to the <span>implied
document</span>.</p></li>

<li><p>Let <var>task</var> be a new <span data-x="concept-task">task</span>.</p></li>

<li><p>Set <var>task</var>'s <span data-x="concept-task-steps">steps</span> to
Expand All @@ -91333,7 +91345,7 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
<var>source</var>.</p></li>
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<li><p>Set <var>task</var>'s <span data-x="concept-task-document">document</span> to the
<span>implied document</span>.</p></li>
<var>document</var>.</p></li>

<li><p>Set <var>task</var>'s <span>script evaluation environment settings object set</span> to an
empty <span>set</span>.</p></li>
Expand All @@ -91344,13 +91356,32 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
<li><p><span data-x="list append">Append</span> <var>task</var> to <var>queue</var>.</p></li>
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</ol>

<p>To <dfn data-export="">queue an element task</dfn> on a <span>task source</span>
<var>source</var>, with an element <var>element</var> and a series of steps
<var>steps</var>:</p>
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<ol>
<li><p>Let <var>document</var> be <var>element</var>'s <span>node document</span>.</p></li>

<li><p>Let <var>event loop</var> be <var>document</var>'s <span
data-x="concept-relevant-realm">relevant realm</span>'s corresponding <span>agent</span>'s
<span>event loop</span>.</p></li>

<li><p><span>Queue a task</span> given <var>source</var>, <var>event loop</var>,
<var>document</var>, and <var>steps</var>.</p></li>
</ol>

<p>To <dfn data-export="">queue a microtask</dfn> which performs a series of steps
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<var>steps</var>, optionally given an event loop <var>event loop</var>:</p>
<var>steps</var>, optionally given an event loop <var>event loop</var> and a document
<var>document</var>:</p>

<ol>
<li><p>If <var>event loop</var> was not given, set <var>event loop</var> to the <span>implied
event loop</span>.</p></li>

<li><p>If <var>document</var> was not given, set <var>document</var> to the <span>implied
document</span>.</p></li>

<li><p>Let <var>microtask</var> be a new <span data-x="concept-task">task</span>.</p></li>

<li><p>Set <var>microtask</var>'s <span data-x="concept-task-steps">steps</span> to
Expand All @@ -91359,8 +91390,8 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
<li><p>Set <var>microtask</var>'s <span data-x="concept-task-source">source</span> to the
<dfn>microtask task source</dfn>.</p></li>

<li><p>Set <var>microtask</var>'s <span data-x="concept-task-document">document</span> to the
<span>implied document</span>.</p></li>
<li><p>Set <var>microtask</var>'s <span data-x="concept-task-document">document</span> to
<var>document</var>.</p></li>

<li><p>Set <var>task</var>'s <span>script evaluation environment settings object set</span> to an
empty <span>set</span>.</p></li>
Expand Down