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Add "autoplay" policy-controlled feature #3829

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Sep 13, 2018
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Add "autoplay" policy-controlled feature #3829

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a53554a
Add "autoplay" policy-controlled feature.
clelland Jul 16, 2018
494e613
Change dfn/code nesting
clelland Jul 16, 2018
10c576d
Responding to review comments
clelland Aug 24, 2018
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Expand Up @@ -4014,9 +4014,11 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<p>The following terms are defined in <cite>Feature Policy</cite>: <ref spec="FEATUREPOLICY"></p>

<ul class="brief">
<li><dfn data-x="concept-policy-controlled-feature" data-x-href="https://wicg.github.io/feature-policy/#policy-controlled-feature">feature policy</dfn></li>
<li><dfn data-x="concept-feature-policy" data-x-href="https://wicg.github.io/feature-policy/#feature-policy">feature policy</dfn></li>
<li><dfn data-x="concept-container-policy" data-x-href="https://wicg.github.io/feature-policy/#container-policy">container policy</dfn></li>
<li><dfn data-x="concept-serialized-feature-policy" data-x-href="https://wicg.github.io/feature-policy/#serialized-feature-policy">serialized feature policy</dfn></li>
<li><dfn data-x="concept-default-allowlist" data-x-href="https://wicg.github.io/feature-policy/#default-allowlist">default allowlist</dfn></li>
<li>The <dfn data-x-href="https://wicg.github.io/feature-policy/#initialize-for-document">Initialize document’s feature policy</dfn> algorithm</li>
<li>The <dfn data-x-href="https://wicg.github.io/feature-policy/#initialize-from-response">Initialize document’s feature policy from response</dfn> algorithm</li>
<li>The <dfn data-x="is-feature-enabled" data-x-href="https://wicg.github.io/feature-policy/#is-feature-enabled">Is feature enabled by policy for origin</dfn> algorithm</li>
Expand Down Expand Up @@ -4318,6 +4320,17 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<var>pattern</var>'s length leaves the two strings as matches of each other.</p>


<h3 id="policy-controlled-features">Policy-controlled features</h3>

<p>This document defines the following <span
data-x="concept-policy-controlled-feature">policy-controlled features</span>:</p>

<ul>
<li>"<dfn data-x="autoplay-feature"><code data-x="">autoplay</code></dfn>", which has a <span
data-x="concept-default-allowlist">default allowlist</span> of <code
data-x="">'self'</code>.</li>
</ul>


<h3 split-filename="common-microsyntaxes">Common microsyntaxes</h3>

Expand Down Expand Up @@ -34639,11 +34652,18 @@ interface <dfn>MediaError</dfn> {
data-x="dom-media-readyState">readyState</code> attribute changing to a value lower than <code
data-x="dom-media-HAVE_FUTURE_DATA">HAVE_FUTURE_DATA</code>.</p>

<p>A <span>media element</span> is said to be <dfn>eligible for autoplay</dfn> when its
<span>can autoplay flag</span> is true, its <code data-x="dom-media-paused">paused</code> attribute
is true, the element has an <code data-x="attr-media-autoplay">autoplay</code> attribute
specified, and the element's <span>node document</span>'s <span>active sandboxing flag set</span>
does not have the <span>sandboxed automatic features browsing context flag</span> set.</p>
<p>A <span>media element</span> is said to be <dfn>eligible for autoplay</dfn> when all of the
following conditions are met:</p>

<ul class="brief">
<li>Its <span>can autoplay flag</span> is true.</li>
<li>Its <code data-x="dom-media-paused">paused</code> attribute is true.</li>
<li>It has an <code data-x="attr-media-autoplay">autoplay</code> attribute specified.</li>
<li>Its <span>node document</span>'s <span>active sandboxing flag set</span> does not have the
<span>sandboxed automatic features browsing context flag</span> set.</li>
<li>Its <span>node document</span> is <span>allowed to use</span> the "<code
data-x="autoplay-feature">autoplay</code>" feature.</li>
</ul>

<p>A <span>media element</span> is said to be <dfn>allowed to play</dfn> if the user agent and the
system allow media playback in the current context.</p>
Expand Down