feat(analytics): available devices

modules/RTC/RTCUtils.js

@@ -25,6 +25,7 @@ import RTCEvents from '../../service/RTC/RTCEvents';
 import ortcRTCPeerConnection from './ortc/RTCPeerConnection';
 import screenObtainer from './ScreenObtainer';
 import SDPUtil from '../xmpp/SDPUtil';
+import Statistics from '../statistics/statistics';
 import VideoType from '../../service/RTC/VideoType';
 
 const logger = getLogger(__filename);
@@ -425,6 +426,32 @@ function pollForAvailableMediaDevices() {
     }
 }
 
+/**
+ * Sends analytics event with the passed device list.
+ *
+ * @param {Array<MediaDeviceInfo>} deviceList - List with info about the
+ * available devices.
+ * @returns {void}
+ */
+function sendDeviceListToAnalytics(deviceList) {
+    const devicesPropsArray
+        = deviceList.map(
+            ({ deviceId, groupId, kind, label }) => {
+                // Filter the props of the device object.
+                return {
+                    deviceId,
+                    groupId,
+                    kind,
+                    label
+                };
+            });
+
+    Statistics.analytics.sendEvent(
+        'devices.deviceList', {
+            devices: devicesPropsArray
+        });
+}
+
 /**
  * Event handler for the 'devicechange' event.
  *
@@ -437,6 +464,8 @@ function onMediaDevicesListChanged(devicesReceived) {
         'list of media devices has changed:',
         currentlyAvailableMediaDevices);
 
+    sendDeviceListToAnalytics(currentlyAvailableMediaDevices);
+
     const videoInputDevices
         = currentlyAvailableMediaDevices.filter(d => d.kind === 'videoinput');
     const audioInputDevices
@@ -1460,6 +1489,9 @@ function onReady(options, GUM) {
         rawEnumerateDevicesWithCallback(ds => {
             currentlyAvailableMediaDevices = ds.splice(0);
 
+            logger.info('Available devices: ', currentlyAvailableMediaDevices);
+            sendDeviceListToAnalytics(currentlyAvailableMediaDevices);
+
             eventEmitter.emit(RTCEvents.DEVICE_LIST_AVAILABLE,
                 currentlyAvailableMediaDevices);