jiti-meet/react/features/base/participants/middleware.js

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import UIEvents from '../../../../service/UI/UIEvents';
import {
CONFERENCE_JOINED,
CONFERENCE_LEFT
} from '../conference';
import { MiddlewareRegistry } from '../redux';
import { localParticipantIdChanged } from './actions';
import { PARTICIPANT_DISPLAY_NAME_CHANGED } from './actionTypes';
import { LOCAL_PARTICIPANT_DEFAULT_ID } from './constants';
import { getLocalParticipant } from './functions';
declare var APP: Object;
/**
* Middleware that captures CONFERENCE_JOINED and CONFERENCE_LEFT actions and
* updates respectively ID of local participant.
*
* @param {Store} store - Redux store.
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case CONFERENCE_JOINED:
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store.dispatch(localParticipantIdChanged(action.conference.myUserId()));
break;
case CONFERENCE_LEFT:
store.dispatch(localParticipantIdChanged(LOCAL_PARTICIPANT_DEFAULT_ID));
break;
// TODO Remove this middleware when the local display name update flow is
// fully brought into redux.
case PARTICIPANT_DISPLAY_NAME_CHANGED: {
if (typeof APP !== 'undefined') {
const participant = getLocalParticipant(store.getState());
if (participant && participant.id === action.id) {
APP.UI.emitEvent(UIEvents.NICKNAME_CHANGED, action.name);
}
}
break;
}
}
return next(action);
});