fix(settings): Always show mic audio levels

react/features/settings/components/web/audio/AudioSettingsContent.js

@@ -4,7 +4,8 @@ import React, { Component } from 'react';
 
 import { translate } from '../../../../base/i18n';
 import { IconMicrophoneEmpty, IconVolumeEmpty } from '../../../../base/icons';
-import { createLocalAudioTrack } from '../../../functions';
+import { equals } from '../../../../base/redux';
+import { createLocalAudioTracks } from '../../../functions';
 
 import AudioSettingsHeader from './AudioSettingsHeader';
 import MicrophoneEntry from './MicrophoneEntry';
@@ -53,10 +54,10 @@ export type Props = {
 type State = {
 
    /**
-    * An object containing the jitsiTrack and the error (if the case)
-    * for the microphone that is in use.
+    * An list of objects, each containing the microphone label, audio track, device id
+    * and track error if the case.
     */
-    currentMicData: Object
+    audioTracks: Object[]
 }
 
 /**
@@ -81,10 +82,14 @@ class AudioSettingsContent extends Component<Props, State> {
         this._onSpeakerEntryClick = this._onSpeakerEntryClick.bind(this);
 
         this.state = {
-            currentMicData: {
-                error: false,
-                jitsiTrack: null
-            }
+            audioTracks: props.microphoneDevices.map(({ deviceId, label }) => {
+                return {
+                    deviceId,
+                    hasError: false,
+                    jitsiTrack: null,
+                    label
+                };
+            })
         };
     }
 
@@ -115,20 +120,13 @@ class AudioSettingsContent extends Component<Props, State> {
     /**
      * Renders a single microphone entry.
      *
-     * @param {Object} data - An object with the deviceId and label of the microphone.
+     * @param {Object} data - An object with the deviceId, jitsiTrack & label of the microphone.
      * @param {number} index - The index of the element, used for creating a key.
      * @returns {React$Node}
      */
     _renderMicrophoneEntry(data, index) {
-        const { deviceId, label } = data;
-        const key = `me-${index}`;
+        const { deviceId, label, jitsiTrack, hasError } = data;
         const isSelected = deviceId === this.props.currentMicDeviceId;
-        let jitsiTrack = null;
-        let hasError = false;
-
-        if (isSelected) {
-            ({ jitsiTrack, hasError } = this.state.currentMicData);
-        }
 
         return (
             <MicrophoneEntry
@@ -136,7 +134,7 @@ class AudioSettingsContent extends Component<Props, State> {
                 hasError = { hasError }
                 isSelected = { isSelected }
                 jitsiTrack = { jitsiTrack }
-                key = { key }
+                key = { `me-${index}` }
                 onClick = { this._onMicrophoneEntryClick }>
                 {label}
             </MicrophoneEntry>
@@ -166,50 +164,36 @@ class AudioSettingsContent extends Component<Props, State> {
     }
 
     /**
-     * Disposes the audio track for a given micData object.
-     *
-     * @param {Object} micData - The object holding the track.
-     * @returns {Promise<void>}
-     */
-    _disposeTrack(micData) {
-        const { jitsiTrack } = micData;
-
-        return jitsiTrack ? jitsiTrack.dispose() : Promise.resolve();
-    }
-
-    /**
-     * Updates the current microphone data.
-     * Disposes previously created track and creates a new one.
+     * Creates and updates the audio tracks.
      *
      * @returns {void}
      */
-    async _updateCurrentMicData() {
-        await this._disposeTrack(this.state.currentMicData);
+    async _setTracks() {
+        this._disposeTracks(this.state.audioTracks);
 
-        const currentMicData = await createLocalAudioTrack(
-            this.props.currentMicDeviceId,
+        const audioTracks = await createLocalAudioTracks(
+            this.props.microphoneDevices
         );
 
-        // In case the component gets unmounted before the track is created
-        // avoid a leak by not setting the state
         if (this._componentWasUnmounted) {
-            this._disposeTrack(currentMicData);
+            this._disposeTracks(audioTracks);
         } else {
             this.setState({
-                currentMicData
+                audioTracks
             });
         }
     }
 
     /**
-     * Implements React's {@link Component#componentDidUpdate}.
+     * Disposes the audio tracks.
      *
-     * @inheritdoc
+     * @param {Object} audioTracks - The object holding the audio tracks.
+     * @returns {void}
      */
-    componentDidUpdate(prevProps) {
-        if (prevProps.currentMicDeviceId !== this.props.currentMicDeviceId) {
-            this._updateCurrentMicData();
-        }
+    _disposeTracks(audioTracks) {
+        audioTracks.forEach(({ jitsiTrack }) => {
+            jitsiTrack && jitsiTrack.dispose();
+        });
     }
 
     /**
@@ -218,7 +202,7 @@ class AudioSettingsContent extends Component<Props, State> {
      * @inheritdoc
      */
     componentDidMount() {
-        this._updateCurrentMicData();
+        this._setTracks();
     }
 
     /**
@@ -228,16 +212,28 @@ class AudioSettingsContent extends Component<Props, State> {
      */
     componentWillUnmount() {
         this._componentWasUnmounted = true;
-        this._disposeTrack(this.state.currentMicData);
+        this._disposeTracks(this.state.audioTracks);
     }
 
+    /**
+     * Implements React's {@link Component#componentDidUpdate}.
+     *
+     * @inheritdoc
+     */
+    componentDidUpdate(prevProps) {
+        if (!equals(this.props.microphoneDevices, prevProps.microphoneDevices)) {
+            this._setTracks();
+        }
+    }
+
+
     /**
      * Implements React's {@link Component#render}.
      *
      * @inheritdoc
      */
     render() {
-        const { microphoneDevices, outputDevices, t } = this.props;
+        const { outputDevices, t } = this.props;
 
         return (
             <div>
@@ -245,7 +241,7 @@ class AudioSettingsContent extends Component<Props, State> {
                     <AudioSettingsHeader
                         IconComponent = { IconMicrophoneEmpty }
                         text = { t('settings.microphones') } />
-                    {microphoneDevices.map((data, i) =>
+                    {this.state.audioTracks.map((data, i) =>
                         this._renderMicrophoneEntry(data, i),
                     )}
                     <AudioSettingsHeader

react/features/settings/functions.js

@@ -176,27 +176,36 @@ export function createLocalVideoTracks(ids: string[]) {
 
 
 /**
- * Returns a promise which resolves with an object containing the corresponding
- * the audio jitsiTrack/error.
+ * Returns a promise which resolves with a list of objects containing
+ * the audio track and the corresponding audio device information.
  *
- * @param {string} deviceId - The deviceId for the current microphone.
- *
- * @returns {Promise<Object>}
+ * @param {Object[]} devices - A list of microphone devices.
+ * @returns {Promise<{
+ *   deviceId: string,
+ *   hasError: boolean,
+ *   jitsiTrack: Object,
+ *   label: string
+ * }[]>}
  */
-export function createLocalAudioTrack(deviceId: string) {
-    return createLocalTrack('audio', deviceId)
-                   .then(jitsiTrack => {
-                       return {
-                           hasError: false,
-                           jitsiTrack
-                       };
-                   })
-                   .catch(() => {
-                       return {
-                           hasError: true,
-                           jitsiTrack: null
-                       };
-                   });
+export function createLocalAudioTracks(devices: Object[]) {
+    return Promise.all(
+        devices.map(async ({ deviceId, label }) => {
+            let jitsiTrack = null;
+            let hasError = false;
+
+            try {
+                jitsiTrack = await createLocalTrack('audio', deviceId);
+            } catch (err) {
+                hasError = true;
+            }
+
+            return {
+                deviceId,
+                hasError,
+                jitsiTrack,
+                label
+            };
+        }));
 }
 
 /**