116 lines
3.3 KiB
JavaScript
116 lines
3.3 KiB
JavaScript
/* @flow */
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import { getCurrentConference } from '../base/conference';
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import {
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PARTICIPANT_JOINED,
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PARTICIPANT_LEFT,
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PARTICIPANT_ROLE,
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PARTICIPANT_UPDATED,
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getParticipantById,
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getParticipantDisplayName,
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getLocalParticipant
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} from '../base/participants';
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import { MiddlewareRegistry, StateListenerRegistry } from '../base/redux';
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import { PARTICIPANTS_PANE_OPEN } from '../participants-pane/actionTypes';
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import {
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clearNotifications,
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hideRaiseHandNotifications,
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showNotification,
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showParticipantJoinedNotification,
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showParticipantLeftNotification
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} from './actions';
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import { NOTIFICATION_TIMEOUT_TYPE } from './constants';
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import { joinLeaveNotificationsDisabled } from './functions';
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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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switch (action.type) {
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case PARTICIPANT_JOINED: {
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const result = next(action);
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const { participant: p } = action;
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const { dispatch, getState } = store;
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const state = getState();
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const { conference } = state['features/base/conference'];
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if (conference && !p.local && !joinLeaveNotificationsDisabled() && !p.isReplacing) {
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dispatch(showParticipantJoinedNotification(
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getParticipantDisplayName(state, p.id)
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));
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}
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return result;
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}
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case PARTICIPANT_LEFT: {
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if (!joinLeaveNotificationsDisabled()) {
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const { dispatch, getState } = store;
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const state = getState();
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const participant = getParticipantById(
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store.getState(),
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action.participant.id
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);
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if (participant && !participant.local && !action.participant.isReplaced) {
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dispatch(showParticipantLeftNotification(
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getParticipantDisplayName(state, participant.id)
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));
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}
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}
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return next(action);
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}
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case PARTICIPANT_UPDATED: {
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const state = store.getState();
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const { disableModeratorIndicator } = state['features/base/config'];
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if (disableModeratorIndicator) {
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return next(action);
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}
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const { id, role } = action.participant;
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const localParticipant = getLocalParticipant(state);
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if (localParticipant?.id !== id) {
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return next(action);
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}
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const oldParticipant = getParticipantById(state, id);
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const oldRole = oldParticipant?.role;
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if (oldRole && oldRole !== role && role === PARTICIPANT_ROLE.MODERATOR) {
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store.dispatch(showNotification({
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titleKey: 'notify.moderator'
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},
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NOTIFICATION_TIMEOUT_TYPE.SHORT));
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}
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return next(action);
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}
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case PARTICIPANTS_PANE_OPEN: {
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store.dispatch(hideRaiseHandNotifications());
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break;
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}
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}
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return next(action);
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});
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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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