jiti-meet/react/features/base/lib-jitsi-meet/middleware.ts

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import { AnyAction } from 'redux';
import { IStore } from '../../app/types';
import { SET_CONFIG } from '../config/actionTypes';
import { SET_NETWORK_INFO } from '../net-info/actionTypes';
import { PARTICIPANT_LEFT } from '../participants/actionTypes';
import MiddlewareRegistry from '../redux/MiddlewareRegistry';
// @ts-ignore
import JitsiMeetJS from './_';
import { LIB_WILL_INIT } from './actionTypes';
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import { disposeLib, initLib } from './actions';
/**
* Middleware that captures PARTICIPANT_LEFT action for a local participant
* (which signalizes that we finally left the app) and disposes lib-jitsi-meet.
* Also captures SET_CONFIG action and disposes previous instance (if any) of
* lib-jitsi-meet, and initializes a new one with new config.
*
* @param {Store} store - Redux store.
* @private
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case LIB_WILL_INIT:
// Moved from conference.js init method. It appears the error handlers
// are not used for mobile.
if (typeof APP !== 'undefined') {
_setErrorHandlers();
}
break;
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case SET_NETWORK_INFO:
JitsiMeetJS.setNetworkInfo({
isOnline: action.isOnline
});
break;
case PARTICIPANT_LEFT:
action.participant.local && store.dispatch(disposeLib());
break;
case SET_CONFIG:
return _setConfig(store, next, action);
}
return next(action);
});
/**
* Notifies the feature base/lib-jitsi-meet that the action SET_CONFIG is being
* dispatched within a specific Redux store.
*
* @param {Store} store - The Redux store in which the specified action is being
* dispatched.
* @param {Dispatch} next - The Redux dispatch function to dispatch the
* specified action to the specified store.
* @param {Action} action - The Redux action SET_CONFIG which is being
* dispatched in the specified store.
* @private
* @returns {Object} The new state that is the result of the reduction of the
* specified action.
*/
function _setConfig({ dispatch, getState }: IStore, next: Function, action: AnyAction) {
const { initialized } = getState()['features/base/lib-jitsi-meet'];
// XXX Since the config is changing, the library lib-jitsi-meet must be
// initialized again with the new config. Consequently, it may need to be
// disposed of first.
// TODO Currently, disposeLib actually does not dispose of lib-jitsi-meet
// because lib-jitsi-meet does not implement such functionality.
if (initialized) {
dispatch(disposeLib());
}
// Let the new config into the Redux store (because initLib will read it
// from there).
const result = next(action);
dispatch(initLib());
return result;
}
/**
* Attaches our custom error handlers to the window object.
*
* @returns {void}
*/
function _setErrorHandlers() {
// attaches global error handler, if there is already one, respect it
if (JitsiMeetJS.getGlobalOnErrorHandler) {
const oldOnErrorHandler = window.onerror;
// @ts-ignore
window.onerror = (message, source, lineno, colno, error) => { // eslint-disable-line max-params
const errMsg = message || error?.message;
const stack = error?.stack;
JitsiMeetJS.getGlobalOnErrorHandler(errMsg, source, lineno, colno, stack);
if (oldOnErrorHandler) {
oldOnErrorHandler(message, source, lineno, colno, error);
}
};
const oldOnUnhandledRejection = window.onunhandledrejection;
window.onunhandledrejection = function(event) {
let message = event.reason;
let stack: string | undefined = 'n/a';
if (event.reason instanceof Error) {
({ message, stack } = event.reason);
}
JitsiMeetJS.getGlobalOnErrorHandler(message, null, null, null, stack);
if (oldOnUnhandledRejection) {
// @ts-ignore
oldOnUnhandledRejection(event);
}
};
}
}