jiti-meet/react/features/notifications/middleware.js

116 lines
3.3 KiB
JavaScript

/* @flow */
import { getCurrentConference } from '../base/conference';
import {
PARTICIPANT_JOINED,
PARTICIPANT_LEFT,
PARTICIPANT_ROLE,
PARTICIPANT_UPDATED,
getParticipantById,
getParticipantDisplayName,
getLocalParticipant
} from '../base/participants';
import { MiddlewareRegistry, StateListenerRegistry } from '../base/redux';
import { PARTICIPANTS_PANE_OPEN } from '../participants-pane/actionTypes';
import {
clearNotifications,
hideRaiseHandNotifications,
showNotification,
showParticipantJoinedNotification,
showParticipantLeftNotification
} from './actions';
import { NOTIFICATION_TIMEOUT_TYPE } from './constants';
import { joinLeaveNotificationsDisabled } from './functions';
/**
* Middleware that captures actions to display notifications.
*
* @param {Store} store - The redux store.
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case PARTICIPANT_JOINED: {
const result = next(action);
const { participant: p } = action;
const { dispatch, getState } = store;
const state = getState();
const { conference } = state['features/base/conference'];
if (conference && !p.local && !joinLeaveNotificationsDisabled() && !p.isReplacing) {
dispatch(showParticipantJoinedNotification(
getParticipantDisplayName(state, p.id)
));
}
return result;
}
case PARTICIPANT_LEFT: {
if (!joinLeaveNotificationsDisabled()) {
const { dispatch, getState } = store;
const state = getState();
const participant = getParticipantById(
store.getState(),
action.participant.id
);
if (participant && !participant.local && !action.participant.isReplaced) {
dispatch(showParticipantLeftNotification(
getParticipantDisplayName(state, participant.id)
));
}
}
return next(action);
}
case PARTICIPANT_UPDATED: {
const state = store.getState();
const { disableModeratorIndicator } = state['features/base/config'];
if (disableModeratorIndicator) {
return next(action);
}
const { id, role } = action.participant;
const localParticipant = getLocalParticipant(state);
if (localParticipant?.id !== id) {
return next(action);
}
const oldParticipant = getParticipantById(state, id);
const oldRole = oldParticipant?.role;
if (oldRole && oldRole !== role && role === PARTICIPANT_ROLE.MODERATOR) {
store.dispatch(showNotification({
titleKey: 'notify.moderator'
},
NOTIFICATION_TIMEOUT_TYPE.SHORT));
}
return next(action);
}
case PARTICIPANTS_PANE_OPEN: {
store.dispatch(hideRaiseHandNotifications());
break;
}
}
return next(action);
});
/**
* StateListenerRegistry provides a reliable way to detect the leaving of a
* conference, where we need to clean up the notifications.
*/
StateListenerRegistry.register(
/* selector */ state => getCurrentConference(state),
/* listener */ (conference, { dispatch }) => {
if (!conference) {
dispatch(clearNotifications());
}
}
);