jiti-meet/react/features/base/tracks/subscriber.js

25 lines
680 B
JavaScript

// @flow
import _ from 'lodash';
import { StateListenerRegistry } from '../../base/redux';
declare var APP: Object;
/**
* Notifies when the list of currently sharing participants changes.
*/
StateListenerRegistry.register(
/* selector */ state =>
state['features/base/tracks'].filter(tr => tr.videoType === 'desktop').map(t => t.participantId),
/* listener */ (participantIDs, store, previousParticipantIDs) => {
if (typeof APP !== 'object') {
return;
}
if (!_.isEqual(_.sortBy(participantIDs), _.sortBy(previousParticipantIDs))) {
APP.API.notifySharingParticipantsChanged(participantIDs);
}
}
);