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

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import _ from 'lodash';
import StateListenerRegistry from '../redux/StateListenerRegistry';
import { isLocalCameraTrackMuted } from './functions';
/**
* 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);
}
}
);
/**
* Notifies when the local video mute state changes.
*/
StateListenerRegistry.register(
/* selector */ state => isLocalCameraTrackMuted(state['features/base/tracks']),
/* listener */ (muted, store, previousMuted) => {
if (typeof APP !== 'object') {
return;
}
if (muted !== previousMuted) {
APP.API.notifyVideoMutedStatusChanged(muted);
}
}
);