Adds notifications for who stop/start recording/live streaming. (#4708)

* Adds notifications for who stop/start recording/live streaming.

* Updates to latest lib-jitsi-meet.

lang/main.json

         "getStreamKeyManually": "We weren’t able to fetch any live streams. Try getting your live stream key from YouTube.",
         "invalidStreamKey": "Live stream key may be incorrect.",
         "off": "Live Streaming stopped",
+        "offBy": "{{name}} stopped the live streaming",
         "on": "Live Streaming",
+        "onBy": "{{name}} started the live streaming",
         "pending": "Starting Live Stream...",
         "serviceName": "Live Streaming service",
         "signedInAs": "You are currently signed in as:",
         "live": "LIVE",
         "loggedIn": "Logged in as {{userName}}",
         "off": "Recording stopped",
+        "offBy": "{{name}} stopped the recording",
         "on": "Recording",
+        "onBy": "{{name}} started the recording",
         "pending": "Preparing to record the meeting...",
         "rec": "REC",
         "serviceDescription": "Your recording will be saved by the recording service",

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#3f7613748d7669cd3fd031bbdf9069e4309f6f56",
-      "from": "github:jitsi/lib-jitsi-meet#3f7613748d7669cd3fd031bbdf9069e4309f6f56",
+      "version": "github:jitsi/lib-jitsi-meet#16e08408aa3fa8303e236b9ffdb0dfce65e79bb7",
+      "from": "github:jitsi/lib-jitsi-meet#16e08408aa3fa8303e236b9ffdb0dfce65e79bb7",
       "requires": {
         "@jitsi/sdp-interop": "0.1.14",
         "@jitsi/sdp-simulcast": "0.2.2",

package.json

     "js-utils": "github:jitsi/js-utils#192b1c996e8c05530eb1f19e82a31069c3021e31",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#3f7613748d7669cd3fd031bbdf9069e4309f6f56",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#16e08408aa3fa8303e236b9ffdb0dfce65e79bb7",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.13",
     "moment": "2.19.4",

react/features/recording/actions.js

  *
  * @param {string} streamType - The type of the stream ({@code file} or
  * {@code stream}).
+ * @param {string?} participantName - The participant name stopping the recording.
  * @returns {showNotification}
  */
-export function showStoppedRecordingNotification(streamType: string) {
+export function showStoppedRecordingNotification(streamType: string, participantName?: string) {
     const isLiveStreaming
         = streamType === JitsiMeetJS.constants.recording.mode.STREAM;
+    const descriptionArguments = { name: participantName };
     const dialogProps = isLiveStreaming ? {
-        descriptionKey: 'liveStreaming.off',
+        descriptionKey: participantName ? 'liveStreaming.offBy' : 'liveStreaming.off',
+        descriptionArguments,
         titleKey: 'dialog.liveStreaming'
     } : {
-        descriptionKey: 'recording.off',
+        descriptionKey: participantName ? 'recording.offBy' : 'recording.off',
+        descriptionArguments,
+        titleKey: 'dialog.recording'
+    };
+
+    return showNotification(dialogProps, NOTIFICATION_TIMEOUT);
+}
+
+/**
+ * Signals that a started recording notification should be shown on the
+ * screen for a given period.
+ *
+ * @param {string} streamType - The type of the stream ({@code file} or
+ * {@code stream}).
+ * @param {string} participantName - The participant name that started the recording.
+ * @returns {showNotification}
+ */
+export function showStartedRecordingNotification(streamType: string, participantName: string) {
+    const isLiveStreaming
+        = streamType === JitsiMeetJS.constants.recording.mode.STREAM;
+    const descriptionArguments = { name: participantName };
+    const dialogProps = isLiveStreaming ? {
+        descriptionKey: 'liveStreaming.onBy',
+        descriptionArguments,
+        titleKey: 'dialog.liveStreaming'
+    } : {
+        descriptionKey: 'recording.onBy',
+        descriptionArguments,
         titleKey: 'dialog.recording'
     };
 
         sessionData: {
             error: session.getError(),
             id: session.getID(),
+            initiator: session.getInitiator(),
             liveStreamViewURL: session.getLiveStreamViewURL(),
             mode: session.getMode(),
             status,
+            terminator: session.getTerminator(),
             timestamp
         }
     };

react/features/recording/middleware.js

     JitsiConferenceEvents,
     JitsiRecordingConstants
 } from '../base/lib-jitsi-meet';
+import { getParticipantDisplayName } from '../base/participants';
 import { MiddlewareRegistry, StateListenerRegistry } from '../base/redux';
 import {
     playSound,
     hidePendingRecordingNotification,
     showPendingRecordingNotification,
     showRecordingError,
+    showStartedRecordingNotification,
     showStoppedRecordingNotification,
     updateRecordingSessionData
 } from './actions';
 
         const updatedSessionData
             = getSessionById(getState(), action.sessionData.id);
-        const { mode } = updatedSessionData;
+        const { initiator, mode, terminator } = updatedSessionData;
         const { PENDING, OFF, ON } = JitsiRecordingConstants.status;
 
         if (updatedSessionData.status === PENDING
 
             if (updatedSessionData.status === ON
                 && (!oldSessionData || oldSessionData.status !== ON)) {
+                const initiatorName = initiator && getParticipantDisplayName(getState, initiator.getId());
+
+                initiatorName && dispatch(showStartedRecordingNotification(mode, initiatorName));
+
                 let soundID;
 
                 if (mode === JitsiRecordingConstants.mode.FILE) {
                 }
             } else if (updatedSessionData.status === OFF
                 && (!oldSessionData || oldSessionData.status !== OFF)) {
-                dispatch(showStoppedRecordingNotification(mode));
+                dispatch(showStoppedRecordingNotification(
+                    mode, terminator && getParticipantDisplayName(getState, terminator.getId())));
                 let duration = 0, soundOff, soundOn;
 
                 if (oldSessionData && oldSessionData.timestamp) {