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Replace device-info permission by a browsing context boolean flag #641

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merged 2 commits into from
Nov 28, 2019
Merged

Replace device-info permission by a browsing context boolean flag #641

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8d001ba
Replace device-info permission by a browsing context boolean flag
youennf Nov 13, 2019
d3389c9
Add an algorithm to set the device information exposure
youennf Nov 28, 2019
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29 changes: 16 additions & 13 deletions getusermedia.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2803,6 +2803,10 @@ <h3>MediaDevices</h3>
<p>Create one internal slot: [[\storedDeviceList]], initialized
to null.</p>
</li>
<li>
<p>Create one internal slot: [[\canExposeDeviceInfo]], initialized
to <code>false</code>.</p>
</li>
</ol>
</li>
<li>
Expand Down Expand Up @@ -3049,10 +3053,8 @@ <h2>Methods</h2>
<code>live</code> MediaStreamTrack in the current
browsing context, set <var>list-permission</var> to
"granted", otherwise set <var>list-permission</var>
to the result of <a data-lt=
"retrieve the permission state">retrieving the
permission state</a> of the "device-info"
permission.</p>
to "granted" if [[\canExposeDeviceInfo]] is
<code>true</code> and "denied" otherwise.</p>
</li>
<li>
<p>If <var>list-permission</var> is not "granted",
Expand Down Expand Up @@ -3107,18 +3109,18 @@ <h2>Device information can be exposed check</h2>
"device-information-can-be-exposed">device information can be exposed check</dfn>,
run the following steps:</p>
<ol>
<li>If the <a data-lt="retrieve the permission state">permission state</a>
of the "device-info" permission is "granted" for this browsing context, return <code>true</code>.
<li>If [[\canExposeDeviceInfo]] is <code>true</code>, return <code>true</code>.
</li>
<li>If any of the input devices are attached to an
<a href="#stream-active">active</a> <code><a>MediaStream</a></code>
in the browsing context, return <code>true</code>.</li>
<li>If the <a>current settings object</a>'s <a>responsible
document</a> is <a data-cite="!HTML/#fully-active">fully
active</a> and <a data-cite="!HTML/#gains-focus">has
focus</a>, return <code>true</code>.
</li>
<li>Return <code>false</code>.</li>
<div class="note">
<p>A User Agent MAY at any point set back [[\canExposeDeviceInfo]] to <code>false</code>, for instance in the case
the user explicitly asks the User Agent to revoke device access on a given browsing context.</p>
</div>
</ol>
</section>
</section>
Expand Down Expand Up @@ -3664,12 +3666,13 @@ <h2>Methods</h2>
tracks in <var>stream</var> with the appropriate
constraints. Should this fail, let
<var>failedConstraint</var> be the result of the
algorithm that failed if the <a data-lt="retrieve the
permission state">permission state</a> of the
"device-info" permission is "granted" for this browsing
context or <code>undefined</code> otherwise, and jump to the step
algorithm that failed if [[\canExposeDeviceInfo]] is <code>true</code>,
or <code>undefined</code> otherwise, and jump to the step
labeled <em>Constraint Failure</em> below.</p>
</li>
<li>
<p>Set [[\canExposeDeviceInfo] to <code>true</code>.</p>
</li>
<li>
<p><a>Resolve</a> <var>p</var> with <var>stream</var> and
abort these steps.</p>
Expand Down