67 lines
2.1 KiB
JavaScript
67 lines
2.1 KiB
JavaScript
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// @flow
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import { APP_WILL_MOUNT, APP_WILL_UNMOUNT } from '../app';
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import { CONFERENCE_JOINED } from '../base/conference';
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import { JitsiConferenceEvents } from '../base/lib-jitsi-meet';
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import { MiddlewareRegistry } from '../base/redux';
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import { playSound, registerSound, unregisterSound } from '../base/sounds';
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import { INCOMING_MSG_SOUND_ID } from './constants';
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import { INCOMING_MSG_SOUND_SRC } from './sounds';
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declare var APP: Object;
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/**
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* Implements the middleware of the chat feature.
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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 APP_WILL_MOUNT: {
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// Register chat msg sound only on web
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typeof APP !== 'undefined'
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&& store.dispatch(
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registerSound(INCOMING_MSG_SOUND_ID, INCOMING_MSG_SOUND_SRC));
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break;
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}
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case APP_WILL_UNMOUNT: {
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// Register chat msg sound only on web
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typeof APP !== 'undefined'
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&& store.dispatch(unregisterSound(INCOMING_MSG_SOUND_ID));
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break;
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}
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case CONFERENCE_JOINED:
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typeof APP !== 'undefined'
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&& _addChatMsgListener(action.conference, store);
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break;
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}
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return next(action);
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});
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/**
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* Registers listener for {@link JitsiConferenceEvents.MESSAGE_RECEIVED} which
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* will play a sound on the event, given that the chat is not currently visible.
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*
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* @param {JitsiConference} conference - The conference instance on which the
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* new event listener will be registered.
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* @param {Dispatch} next - The redux dispatch function to dispatch the
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* specified action to the specified store.
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* @returns {void}
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* @private
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*/
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function _addChatMsgListener(conference, { dispatch }) {
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// XXX Currently there's no need to remove the listener, because
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// conference instance can not be re-used. Listener will be gone with
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// the conference instance.
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conference.on(
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JitsiConferenceEvents.MESSAGE_RECEIVED,
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() => {
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if (!APP.UI.isChatVisible()) {
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dispatch(playSound(INCOMING_MSG_SOUND_ID));
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}
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});
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}
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