feat(raise-hand) group options in config.js

config.js

     // Sets the preferred resolution (height) for local video. Defaults to 720.
     // resolution: 720,
 
+    // DEPRECATED. Please use raisedHands.disableRemoveRaisedHandOnFocus instead.
     // Specifies whether the raised hand will hide when someone becomes a dominant speaker or not
     // disableRemoveRaisedHandOnFocus: false,
 
+    // Specifies which raised hand related config should be set.
+    // raisedHands: {
+    //     // Specifies whether the raised hand can be lowered by moderator.
+    //     disableLowerHandByModerator: false,
+
+    //     // Specifies whether there is a notification before hiding the raised hand
+    //     // when someone becomes the dominant speaker.
+    //     disableLowerHandNotification: true,
+
+    //     // Specifies whether there is a notification when you are the next speaker in line.
+    //     disableNextSpeakerNotification: false,
+
+    //     // Specifies whether the raised hand will hide when someone becomes a dominant speaker or not.
+    //     disableRemoveRaisedHandOnFocus: false,
+    // },
+
     // speakerStats: {
     //     // Specifies whether the speaker stats is enable or not.
     //     disabled: false,

react/features/base/config/configType.ts

         hideExtraJoinButtons?: Array<string>;
     };
     prejoinPageEnabled?: boolean;
+    raisedHands?: {
+        disableLowerHandByModerator?: boolean;
+        disableLowerHandNotification?: boolean;
+        disableNextSpeakerNotification?: boolean;
+        disableRemoveRaisedHandOnFocus?: boolean;
+    };
     readOnlyName?: boolean;
     recordingLimit?: {
         appName?: string;

react/features/base/config/configWhitelist.ts

     'preferVisitor',
     'prejoinConfig',
     'prejoinPageEnabled',
+    'raisedHands',
     'recordingService',
     'requireDisplayName',
     'remoteVideoMenu',

react/features/base/config/functions.any.ts

  * @returns {boolean}
  */
 export function getDisableRemoveRaisedHandOnFocus(state: IReduxState) {
-    return state['features/base/config']?.disableRemoveRaisedHandOnFocus || false;
+    return state['features/base/config']?.raisedHands?.disableRemoveRaisedHandOnFocus || false;
+}
+
+/**
+ * Selector used to get the disableLowerHandByModerator.
+ *
+ * @param {Object} state - The global state.
+ * @returns {boolean}
+ */
+export function getDisableLowerHandByModerator(state: IReduxState) {
+    return state['features/base/config']?.raisedHands?.disableLowerHandByModerator || false;
+}
+
+/**
+ * Selector used to get the disableLowerHandNotification.
+ *
+ * @param {Object} state - The global state.
+ * @returns {boolean}
+ */
+export function getDisableLowerHandNotification(state: IReduxState) {
+    return state['features/base/config']?.raisedHands?.disableLowerHandNotification || true;
+}
+
+/**
+ * Selector used to get the disableNextSpeakerNotification.
+ *
+ * @param {Object} state - The global state.
+ * @returns {boolean}
+ */
+export function getDisableNextSpeakerNotification(state: IReduxState) {
+    return state['features/base/config']?.raisedHands?.disableNextSpeakerNotification || false;
 }
 
 /**

react/features/base/config/reducer.ts

         newValue.disabledSounds.unshift('INCOMING_MSG_SOUND');
     }
 
+    newValue.raisedHands = newValue.raisedHands || {};
+
+    if (oldValue.disableRemoveRaisedHandOnFocus) {
+        newValue.raisedHands.disableRemoveRaisedHandOnFocus = oldValue.disableRemoveRaisedHandOnFocus;
+    }
+
     if (oldValue.stereo || oldValue.opusMaxAverageBitrate) {
         newValue.audioQuality = {
             opusMaxAverageBitrate: oldValue.audioQuality?.opusMaxAverageBitrate ?? oldValue.opusMaxAverageBitrate,

react/features/base/participants/subscriber.ts

 import { hideNotification, showNotification } from '../../notifications/actions';
 import { NOTIFICATION_TIMEOUT_TYPE, RAISE_HAND_NOTIFICATION_ID } from '../../notifications/constants';
 import { getCurrentConference } from '../conference/functions';
-import { getSsrcRewritingFeatureFlag, hasBeenNotified, isNextToSpeak } from '../config/functions.any';
+import {
+    getDisableNextSpeakerNotification,
+    getSsrcRewritingFeatureFlag,
+    hasBeenNotified,
+    isNextToSpeak } from '../config/functions.any';
 import { VIDEO_TYPE } from '../media/constants';
 import StateListenerRegistry from '../redux/StateListenerRegistry';
 
 StateListenerRegistry.register(
     /* selector */ state => state['features/base/participants'].raisedHandsQueue,
     /* listener */ (raisedHandsQueue, store) => {
-        if (raisedHandsQueue.length && isNextToSpeak(store.getState()) && !hasBeenNotified(store.getState())) {
+        if (raisedHandsQueue.length
+            && isNextToSpeak(store.getState())
+            && !hasBeenNotified(store.getState())
+            && !getDisableNextSpeakerNotification(store.getState())) {
             _notifyNextSpeakerInRaisedHandQueue(store);
         }
         if (!raisedHandsQueue[0]) {

react/features/conference/middleware.any.ts

     ENDPOINT_MESSAGE_RECEIVED
 } from '../base/conference/actionTypes';
 import { getCurrentConference } from '../base/conference/functions';
+import { getDisableLowerHandByModerator } from '../base/config/functions.any';
 import { getURLWithoutParamsNormalized } from '../base/connection/utils';
 import { hideDialog } from '../base/dialog/actions';
 import { isDialogOpen } from '../base/dialog/functions';
     }
     case ENDPOINT_MESSAGE_RECEIVED: {
         const { participant, data } = action;
-        const { dispatch } = store;
+        const { dispatch, getState } = store;
 
-        if (data.name === LOWER_HAND_MESSAGE && participant.isModerator()) {
+        if (data.name === LOWER_HAND_MESSAGE
+            && participant.isModerator()
+            && !getDisableLowerHandByModerator(getState())) {
             dispatch(raiseHand(false));
         }
         break;