jiti-meet/react/features/recent-list/middleware.js

116 lines
3.8 KiB
JavaScript

// @flow
import { APP_WILL_MOUNT } from '../app';
import { CONFERENCE_WILL_LEAVE, SET_ROOM } from '../base/conference';
import { addKnownDomains } from '../base/known-domains';
import { MiddlewareRegistry } from '../base/redux';
import { parseURIString } from '../base/util';
import { _storeCurrentConference, _updateConferenceDuration } from './actions';
/**
* Middleware that captures joined rooms so they can be saved into
* {@code window.localStorage}.
*
* @param {Store} store - The redux store.
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case APP_WILL_MOUNT:
return _appWillMount(store, next, action);
case CONFERENCE_WILL_LEAVE:
return _conferenceWillLeave(store, next, action);
case SET_ROOM:
return _setRoom(store, next, action);
}
return next(action);
});
/**
* Notifies the feature recent-list that the redux action {@link APP_WILL_MOUNT}
* is being dispatched in a specific redux store.
*
* @param {Store} store - The redux store in which the specified action is being
* dispatched.
* @param {Dispatch} next - The redux {@code dispatch} function to dispatch the
* specified action to the specified store.
* @param {Action} action - The redux action {@code APP_WILL_MOUNT} which is
* being dispatched in the specified redux store.
* @private
* @returns {*} The result returned by {@code next(action)}.
*/
function _appWillMount({ dispatch, getState }, next, action) {
const result = next(action);
// It's an opportune time to transfer the feature recent-list's knowledge
// about "known domains" (which is local to the feature) to the feature
// base/known-domains (which is global to the app).
//
// XXX Since the feature recent-list predates the feature calendar-sync and,
// consequently, the feature known-domains, it's possible for the feature
// known-list to know of domains which the feature known-domains is yet to
// discover.
const knownDomains = [];
for (const { conference } of getState()['features/recent-list']) {
const uri = parseURIString(conference);
let host;
uri && (host = uri.host) && knownDomains.push(host);
}
knownDomains.length && dispatch(addKnownDomains(knownDomains));
return result;
}
/**
* Updates the duration of the last conference stored in the list.
*
* @param {Store} store - The redux store.
* @param {Dispatch} next - The redux {@code dispatch} function.
* @param {Action} action - The redux action {@link CONFERENCE_WILL_LEAVE}.
* @private
* @returns {*} The result returned by {@code next(action)}.
*/
function _conferenceWillLeave({ dispatch, getState }, next, action) {
dispatch(
_updateConferenceDuration(
getState()['features/base/connection'].locationURL));
return next(action);
}
/**
* Checks if there is a current conference (upon SET_ROOM action), and saves it
* if necessary.
*
* @param {Store} store - The redux store.
* @param {Dispatch} next - The redux {@code dispatch} function.
* @param {Action} action - The redux action {@link SET_ROOM}.
* @private
* @returns {*} The result returned by {@code next(action)}.
*/
function _setRoom({ dispatch, getState }, next, action) {
if (action.room) {
const { locationURL } = getState()['features/base/connection'];
if (locationURL) {
dispatch(_storeCurrentConference(locationURL));
// Whatever domain the feature recent-list knows about, the app as a
// whole should know about.
//
// XXX Technically, _storeCurrentConference could be turned into an
// asynchronous action creator which dispatches both
// _STORE_CURRENT_CONFERENCE and addKnownDomains but...
dispatch(addKnownDomains(locationURL.host));
}
}
return next(action);
}