Merge pull request #718 from youennf/extend-enumerateDevices

Extend enumerateDevices algorithm to handle non camera and microphone devices

getusermedia.html

@@ -2905,6 +2905,13 @@ <h2>Methods</h2>
                           contains a {{MediaDeviceInfo}} representing a microphone, abort these steps and
                           continue with the next device (if any).</p>
                         </li>
+                        <li>
+                          <p>If <var>device</var> is neither a camera nor a microphone, run the
+                          <a>exposure decision algorithm for devices other than camera and microphone</a>,
+                          with <var>device</var> as input.
+                          If the result of this algorithm is <code>false</code>,
+                          abort these steps and continue with the next device (if any).</p>
+                        </li>
                         <li>
                           <p>Let <var>deviceInfo</var> be the result of
                           <a>creating a device info object</a> to represent <var>device</var>.</p>
@@ -3046,6 +3053,14 @@ <h2>Set device information exposure</h2>
           for instance if the User Agent decides to revoke device access on a given browsing context.</p>
         </div>
       </section>
+      <section>
+        <h2>Exposure decision algorithm for devices other than camera and microphone</h2>
+        <p>The <dfn data-lt="device-exposure-decision-non-camera-microphone" id=
+        "device-exposure-decision-non-camera-microphone">exposure decision algorithm for devices other than camera and microphone</dfn>
+        takes a <var>device</var> as input and returns a boolean to decide whether exposing the device to the web page or not.</p>
+        <p>By default, it returns <code>false</code>.</p>
+        <p>Other specifications can define the algorithm for specific device types.
+      </section>
     </section>
     <section>
       <h2>Device Info</h2>