402 lines
16 KiB
JavaScript
402 lines
16 KiB
JavaScript
/**
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* Sample React Native App
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* https://github.com/facebook/react-native
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*
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* @format
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* @flow
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*/
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import React, { Component } from 'react';
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import { Platform,TextInput, ScrollView, Button, Alert, Linking, StyleSheet, Text, View, PermissionsAndroid } from 'react-native';
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import { OpenVidu } from 'openvidu-browser';
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import { RTCView } from './node_modules/openvidu-browser/node_modules/react-native-webrtc';
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import axios from 'axios';
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const OPENVIDU_SERVER_URL = 'https://demos.openvidu.io:4443';
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const OPENVIDU_SERVER_SECRET = 'MY_SECRET';
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type Props = {};
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export default class App extends Component<Props> {
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constructor(props) {
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super(props);
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this.state = {
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mySessionId: 'SessionA',
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myUserName: 'Participant' + Math.floor(Math.random() * 100),
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session: undefined,
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mainStreamManager: undefined,
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subscribers: [],
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role: 'PUBLISHER',
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};
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}
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componentDidMount() {
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}
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componentWillUnmount() {
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this.leaveSession();
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}
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async checkAndroidPermissions() {
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try {
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const camera = await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.CAMERA, {
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title: 'Camera Permission',
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message: 'OpenVidu needs access to your camera',
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buttonNeutral: 'Ask Me Later',
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buttonNegative: 'Cancel',
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buttonPositive: 'OK',
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});
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const audio = await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.RECORD_AUDIO, {
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title: 'Aduio Permission',
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message: 'OpenVidu needs access to your microphone',
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buttonNeutral: 'Ask Me Later',
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buttonNegative: 'Cancel',
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buttonPositive: 'OK',
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});
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const storage = await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE, {
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title: 'STORAGE',
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message: 'OpenVidu needs access to your storage ',
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buttonNeutral: 'Ask Me Later',
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buttonNegative: 'Cancel',
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buttonPositive: 'OK',
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});
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if (camera === PermissionsAndroid.RESULTS.GRANTED) {
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console.log('You can use the camera');
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} else {
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console.log('Camera permission denied');
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}
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if (audio === PermissionsAndroid.RESULTS.GRANTED) {
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console.log('You can use the audio');
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} else {
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console.log('audio permission denied');
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}
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if (storage === PermissionsAndroid.RESULTS.GRANTED) {
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console.log('You can use the storage');
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} else {
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console.log('storage permission denied');
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}
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} catch (err) {
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console.warn(err);
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}
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}
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joinSession() {
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// --- 1) Get an OpenVidu object ---
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this.OV = new OpenVidu();
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// --- 2) Init a session ---
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this.setState(
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{
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session: this.OV.initSession(),
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},
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() => {
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var mySession = this.state.session;
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// --- 3) Specify the actions when events take place in the session ---
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// On every new Stream received...
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mySession.on('streamCreated', (event) => {
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// Subscribe to the Stream to receive it. Second parameter is undefined
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// so OpenVidu doesn't create an HTML video by its own
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const subscriber = mySession.subscribe(event.stream, undefined);
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var subscribers = this.state.subscribers;
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subscribers.push(subscriber);
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// Update the state with the new subscribers
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this.setState({
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subscribers: subscribers,
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});
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});
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// On every Stream destroyed...
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mySession.on('streamDestroyed', (event) => {
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event.preventDefault();
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// Remove the stream from 'subscribers' array
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this.deleteSubscriber(event.stream.streamManager);
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});
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// --- 4) Connect to the session with a valid user token ---
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// 'getToken' method is simulating what your server-side should do.
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// 'token' parameter should be retrieved and returned by your own backend
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this.getToken()
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.then((token) => {
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// First param is the token got from OpenVidu Server. Second param can be retrieved by every user on event
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// 'streamCreated' (property Stream.connection.data), and will be appended to DOM as the user's nickname
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mySession
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.connect(token, { clientData: this.state.myUserName })
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.then(() => {
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if (Platform.OS == 'android') {
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this.checkAndroidPermissions();
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}
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// --- 5) Get your own camera stream ---
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if (this.state.role !== 'SUBSCRIBER') {
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// Init a publisher passing undefined as targetElement (we don't want OpenVidu to insert a video
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// element: we will manage it on our own) and with the desired properties
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let publisher = this.OV.initPublisher(undefined, {
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audioSource: undefined, // The source of audio. If undefined default microphone
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videoSource: undefined, // The source of video. If undefined default webcam
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publishAudio: true, // Whether you want to start publishing with your audio unmuted or not
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publishVideo: true, // Whether you want to start publishing with your video enabled or not
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resolution: '640x480', // The resolution of your video
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frameRate: 30, // The frame rate of your video
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insertMode: 'APPEND', // How the video is inserted in the target element 'video-container'
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});
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// --- 6) Publish your stream ---
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// Set the main video in the page to display our webcam and store our Publisher
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this.setState({
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mainStreamManager: publisher
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});
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mySession.publish(publisher);
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}
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})
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.catch((error) => {
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console.log('There was an error connecting to the session:', error.code, error.message);
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});
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})
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.catch((error) => console.log('Error', error));
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},
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);
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}
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getNicknameTag(stream) {
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// Gets the nickName of the user
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if(stream.connection && JSON.parse(stream.connection.data) && JSON.parse(stream.connection.data).clientData) {
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return JSON.parse(stream.connection.data).clientData;
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}
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return '';
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}
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deleteSubscriber(streamManager) {
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setTimeout(() => {
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let subscribers = this.state.subscribers;
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const index = subscribers.indexOf(streamManager, 0);
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if (index > -1) {
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subscribers.splice(index, 1);
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this.setState({
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subscribers: subscribers,
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});
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}
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});
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}
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leaveSession() {
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// --- 7) Leave the session by calling 'disconnect' method over the Session object ---
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const mySession = this.state.session;
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if (mySession) {
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mySession.disconnect();
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}
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// Empty all properties...
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setTimeout(() => {
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this.OV = null;
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this.setState({
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session: undefined,
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subscribers: [],
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mySessionId: 'SessionA',
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myUserName: 'Participant' + Math.floor(Math.random() * 100),
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mainStreamManager: undefined,
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publisher: undefined,
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});
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})
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}
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toggleCamera(){
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this.state.mainStreamManager.stream.getMediaStream().getVideoTracks()[0]._switchCamera();
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}
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render() {
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return (
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<ScrollView>
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{this.state.mainStreamManager ? (
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<View>
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<View style={styles.container}>
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<Text>Session: {this.state.mySessionId}</Text>
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<Text>{this.getNicknameTag(this.state.mainStreamManager.stream)}</Text>
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<RTCView zOrder={0} objectFit="cover"
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ref={(rtcVideo) => {
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if (!!rtcVideo) {
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this.state.mainStreamManager.addVideoElement(rtcVideo);
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}
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}}
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style={styles.selfView}
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/>
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</View>
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<View>
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<Button
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onLongPress={() => this.toggleCamera()}
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onPress={() => this.toggleCamera()}
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title="Toggle Camera"
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color="#841584"
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/>
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<Button
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onLongPress={() => this.leaveSession()}
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onPress={() => this.leaveSession()}
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title="Leave Session"
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color="#ff0000"
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/>
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</View>
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</View>
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) : (
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<View style={{
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flex: 1,
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flexDirection: 'column',
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justifyContent: 'center',
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alignItems: 'stretch',
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height: '100%',
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paddingTop: 100
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}}>
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<TextInput
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style={{height: 40, borderColor: 'gray', borderWidth: 1}}
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onChangeText={(mySessionId) => this.setState({mySessionId})}
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value={this.state.mySessionId}
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/>
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<Button
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onLongPress={() => this.joinSession()}
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onPress={() => this.joinSession()}
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title="Join"
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color="#841584"
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style={{width: '100%'}}
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/>
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</View>
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)}
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<View style={[styles.container, {flexDirection: 'row', flexWrap: 'wrap'}] }>
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{this.state.subscribers.map((item, index) => {
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if(!!item){
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return (
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<View key={index}>
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<Text>{this.getNicknameTag(item.stream)}</Text>
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<RTCView zOrder={0} objectFit="cover" style={styles.remoteView} ref={(rtcVideo) => {
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if (!!rtcVideo){
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item.addVideoElement(rtcVideo);
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}
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}} />
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</View>
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)
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}
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})}
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</View>
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</ScrollView>
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);
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}
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/**
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* --------------------------
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* SERVER-SIDE RESPONSIBILITY
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* --------------------------
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* These methods retrieve the mandatory user token from OpenVidu Server.
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* This behavior MUST BE IN YOUR SERVER-SIDE IN PRODUCTION (by using
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* the API REST, openvidu-java-client or openvidu-node-client):
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* 1) Initialize a session in OpenVidu Server (POST /api/sessions)
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* 2) Generate a token in OpenVidu Server (POST /api/tokens)
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* 3) The token must be consumed in Session.connect() method
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*/
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getToken() {
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return this.createSession(this.state.mySessionId)
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.then((sessionId) => this.createToken(sessionId))
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.catch((error) => console.log(error));
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}
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createSession(sessionId) {
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return new Promise((resolve) => {
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var data = JSON.stringify({ customSessionId: sessionId });
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axios
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.post(OPENVIDU_SERVER_URL + '/api/sessions', data, {
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headers: {
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Authorization: 'Basic ' + btoa('OPENVIDUAPP:' + OPENVIDU_SERVER_SECRET),
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'Content-Type': 'application/json',
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'Accept': 'application/json'
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},
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})
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.then((response) => {
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console.log('CREATE SESION', response);
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resolve(response.data.id);
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})
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.catch((response) => {
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console.log(response);
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var error = Object.assign({}, response);
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if (error.response.status === 409) {
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console.log('RESOLVING WITH SESSIONID, 409');
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resolve(sessionId);
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} else {
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console.warn('No connection to OpenVidu Server. This may be a certificate error at ' + OPENVIDU_SERVER_URL);
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Alert.alert(
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'No connection to OpenVidu Server.',
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'This may be a certificate error at "' +
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OPENVIDU_SERVER_URL +
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'"\n\nClick OK to navigate and accept it. ' +
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'If no certificate warning is shown, then check that your OpenVidu Server is up and running at "' +
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OPENVIDU_SERVER_URL +
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'"',
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[
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{
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text: 'Cancel',
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onPress: () => console.log('Cancel Pressed'),
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style: 'cancel',
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},
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{
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text: 'OK',
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onPress: () =>
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Linking.openURL(OPENVIDU_SERVER_URL + '/accept-certificate').catch((err) =>
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console.error('An error occurred', err),
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),
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},
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],
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{ cancelable: false },
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);
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}
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});
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});
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}
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createToken(sessionId) {
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return new Promise((resolve, reject) => {
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var data = JSON.stringify({ session: sessionId });
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axios
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.post(OPENVIDU_SERVER_URL + '/api/tokens', data, {
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headers: {
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Authorization: 'Basic ' + btoa('OPENVIDUAPP:' + OPENVIDU_SERVER_SECRET),
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'Content-Type': 'application/json',
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},
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})
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.then((response) => {
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console.log('TOKEN', response);
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resolve(response.data.token);
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})
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.catch((error) => reject(error));
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});
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}
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}
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const styles = StyleSheet.create({
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container: {
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justifyContent: 'center',
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alignItems: 'center',
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flex: 1,
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paddingTop: Platform.OS == 'ios' ? 20 : 0
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},
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selfView: {
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width: 200,
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height: 200,
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},
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remoteView: {
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width: 150,
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height: 150,
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},
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});
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