2018-06-14 09:14:32 +00:00
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/* @flow */
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import { getCurrentConference } from '../base/conference';
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2019-06-25 22:25:43 +00:00
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import {
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PARTICIPANT_JOINED,
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getParticipantDisplayName
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} from '../base/participants';
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import { MiddlewareRegistry, StateListenerRegistry } from '../base/redux';
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2018-06-14 09:14:32 +00:00
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2019-06-25 22:25:43 +00:00
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import {
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clearNotifications,
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showParticipantJoinedNotification
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} from './actions';
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/**
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* Middleware that captures actions to display notifications.
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*
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* @param {Store} store - The redux store.
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* @returns {Function}
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*/
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MiddlewareRegistry.register(store => next => action => {
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const result = next(action);
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switch (action.type) {
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case PARTICIPANT_JOINED: {
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const { participant: p } = action;
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if (!p.local) {
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store.dispatch(showParticipantJoinedNotification(
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getParticipantDisplayName(store.getState, p.id)
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));
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}
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}
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}
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return result;
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});
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2018-06-14 09:14:32 +00:00
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/**
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* StateListenerRegistry provides a reliable way to detect the leaving of a
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* conference, where we need to clean up the notifications.
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*/
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StateListenerRegistry.register(
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/* selector */ state => getCurrentConference(state),
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/* listener */ (conference, { dispatch }) => {
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if (!conference) {
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dispatch(clearNotifications());
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}
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}
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);
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