feat(visitors): Fires events for received visitors message promotion … (#2403)

* feat(visitors): Fires events for received visitors message promotion request/response.

* squash: Updates logs.

JitsiConferenceEventManager.js

         value => {
             conference.eventEmitter.emit(JitsiConferenceEvents.AV_MODERATION_REJECTED, { mediaType: value });
         });
+
+    this._addConferenceXMPPListener(XMPPEvents.VISITORS_MESSAGE,
+        value => conference.eventEmitter.emit(JitsiConferenceEvents.VISITORS_MESSAGE, value));
+    this._addConferenceXMPPListener(XMPPEvents.VISITORS_REJECTION,
+        () => conference.eventEmitter.emit(JitsiConferenceEvents.VISITORS_REJECTION));
 };
 
 /**

JitsiConferenceEvents.spec.ts

 import * as exported from "./JitsiConferenceEvents";
+import {VISITORS_MESSAGE, VISITORS_REJECTION} from "./JitsiConferenceEvents";
 
 // this test is brittle on purpose because it's designed to ensure that the TypeScript conversion maintains backward compatibility
 
         USER_ROLE_CHANGED,
         USER_STATUS_CHANGED,
         VIDEO_UNMUTE_PERMISSIONS_CHANGED,
+        VISITORS_MESSAGE,
+        VISITORS_REJECTION,
         BOT_TYPE_CHANGED,
         LOBBY_USER_JOINED,
         LOBBY_USER_UPDATED,
         expect( USER_ROLE_CHANGED ).toBe( 'conference.roleChanged' );
         expect( USER_STATUS_CHANGED ).toBe( 'conference.statusChanged' );
         expect( VIDEO_UNMUTE_PERMISSIONS_CHANGED ).toBe( 'conference.video_unmute_permissions_changed' );
+        expect( VISITORS_MESSAGE ).toBe( 'conference.visitors_message' );
+        expect( VISITORS_REJECTION ).toBe( 'conference.visitors_rejection' );
         expect( BOT_TYPE_CHANGED ).toBe( 'conference.bot_type_changed' );
         expect( LOBBY_USER_JOINED ).toBe( 'conference.lobby.userJoined' );
         expect( LOBBY_USER_UPDATED ).toBe( 'conference.lobby.userUpdated' );

JitsiConferenceEvents.ts

     PARTCIPANT_FEATURES_CHANGED = 'conference.partcipant_features_changed',
 
     /**
-     * Indicates that a the value of a specific property of a specific participant
+     * Indicates that a value of a specific property of a specific participant
      * has changed.
      */
     PARTICIPANT_PROPERTY_CHANGED = 'conference.participant_property_changed',
      *     {string} address,
      *     {VideoSIPGWConstants} oldState,
      *     {VideoSIPGWConstants} newState,
-     *     {string} displayName}
+     *     {string} displayName
      * }.
      */
     VIDEO_SIP_GW_SESSION_STATE_CHANGED = 'conference.videoSIPGWSessionStateChanged',
      */
     VIDEO_UNMUTE_PERMISSIONS_CHANGED = 'conference.video_unmute_permissions_changed',
 
+    /**
+     * Event indicating we have received a message from the visitors component.
+     */
+    VISITORS_MESSAGE = 'conference.visitors_message',
+
+    /**
+     * Event indicating that our request for promotion was rejected.
+     */
+    VISITORS_REJECTION = 'conference.visitors_rejection',
+
     /**
      * Event indicates that the bot participant type changed.
      */
     E2EE_VERIFICATION_READY = 'conference.e2ee.verification.ready',
 
     E2EE_VERIFICATION_COMPLETED = 'conference.e2ee.verification.completed'
-};
+}
 
 // exported for backward compatibility
 export const AUDIO_INPUT_STATE_CHANGE = JitsiConferenceEvents.AUDIO_INPUT_STATE_CHANGE;
 export const USER_ROLE_CHANGED = JitsiConferenceEvents.USER_ROLE_CHANGED;
 export const USER_STATUS_CHANGED = JitsiConferenceEvents.USER_STATUS_CHANGED;
 export const VIDEO_UNMUTE_PERMISSIONS_CHANGED = JitsiConferenceEvents.VIDEO_UNMUTE_PERMISSIONS_CHANGED;
+export const VISITORS_MESSAGE = JitsiConferenceEvents.VISITORS_MESSAGE;
+export const VISITORS_REJECTION = JitsiConferenceEvents.VISITORS_REJECTION;
 export const BOT_TYPE_CHANGED = JitsiConferenceEvents.BOT_TYPE_CHANGED;
 export const LOBBY_USER_JOINED = JitsiConferenceEvents.LOBBY_USER_JOINED;
 export const LOBBY_USER_UPDATED = JitsiConferenceEvents.LOBBY_USER_UPDATED;

modules/xmpp/strophe.emuc.js

         const visitors = $(iq).find('>visitors[xmlns="jitsi:visitors"]');
         const response = $(iq).find('promotion-response');
 
-        if (visitors.length && response.length
-            && String(response.attr('allow')).toLowerCase() === 'true') {
-            logger.warn('Redirected back to main room.');
-
-            this.xmpp.eventEmitter.emit(
-                CONNECTION_REDIRECTED, undefined, visitors.attr('focusjid'), response.attr('username'));
+        if (visitors.length && response.length) {
+            if (String(response.attr('allow')).toLowerCase() === 'true') {
+                logger.info('Promotion request accepted. Redirected to main room.');
+                this.xmpp.eventEmitter.emit(
+                    CONNECTION_REDIRECTED, undefined, visitors.attr('focusjid'), response.attr('username'));
+            } else {
+                logger.info('Promotion request rejected.');
+                this.xmpp.eventEmitter.emit(XMPPEvents.VISITORS_REJECTION);
+            }
         }
 
         return true;

modules/xmpp/xmpp.js

                 this.roomMetadataComponentAddress = identity.name;
                 this._components.push(this.roomMetadataComponentAddress);
             }
+
+            if (identity.type === 'visitors') {
+                this._components.push(identity.name);
+            }
         });
 
         this._maybeSendDeploymentInfoStat(true);
             this.eventEmitter.emit(XMPPEvents.BREAKOUT_ROOMS_EVENT, parsedJson);
         } else if (parsedJson[JITSI_MEET_MUC_TYPE] === 'room_metadata') {
             this.eventEmitter.emit(XMPPEvents.ROOM_METADATA_EVENT, parsedJson);
+        } else if (parsedJson[JITSI_MEET_MUC_TYPE] === 'visitors') {
+            this.eventEmitter.emit(XMPPEvents.VISITORS_MESSAGE, parsedJson);
         }
 
         return true;

service/xmpp/XMPPEvents.ts

      */
     VIDEO_SIP_GW_SESSION_STATE_CHANGED = 'xmpp.videoSIPGWSessionStateChanged',
 
+    /**
+     * Event indicating we have received a message from the visitors component.
+     */
+    VISITORS_MESSAGE = 'xmpp.visitors_message',
+
+    /**
+     * Event indicating that our request for promotion was rejected.
+     */
+    VISITORS_REJECTION = 'xmpp.visitors_rejection',
+
     // Designates an event indicating that the local ICE connection state has
     // changed.
     ICE_CONNECTION_STATE_CHANGED = 'xmpp.ice_connection_state_changed',