Miroslav Pejic
1103 lines
35 KiB
JavaScript
1103 lines
35 KiB
JavaScript
/*
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██████ ███████ ██ ███████ ██ ████ ██
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*/
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// =====================================================
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// config var
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// =====================================================
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const loaderGif = "/images/loader.gif";
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const myChatAvatar = "/images/programmer.png";
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const friendChatAvatar = "/images/friend.png";
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const notifyBySound = true; // turn on-off sound notifications
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var myChatName = null;
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var signalingServerPort = 80;
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var signalingServer = getserverURL();
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var roomId = getRoomId();
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var peerInfo = getPeerInfo();
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var peerConnection = null;
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var useAudio = true;
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var useVideo = true;
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var camera = "user";
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var isScreenStreaming = false;
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var isChatBoxVisible = false;
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var signalingSocket = null; // socket.io connection to our webserver
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var localMediaStream = null; // my microphone / webcam
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var remoteMediaStream = null; // friends microphone / webcam
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var peers = {}; // keep track of our peer connections, indexed by peer_id == socket.io id
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var peerMediaElements = {}; // keep track of our <video> tags, indexed by peer_id
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var iceServers = [{ urls: "stun:stun.l.google.com:19302" }]; // backup iceServers
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// =====================================================
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// get info using DetecRTC
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// =====================================================
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function getPeerInfo() {
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return {
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detectRTCversion: DetectRTC.version,
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isWebRTCSupported: DetectRTC.isWebRTCSupported,
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isMobileDevice: DetectRTC.isMobileDevice,
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osName: DetectRTC.osName,
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osVersion: DetectRTC.osVersion,
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browserName: DetectRTC.browser.name,
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browserVersion: DetectRTC.browser.version,
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}; // https://github.com/muaz-khan/DetectRTC
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}
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// =====================================================
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// signaling Server URL
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// =====================================================
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function getserverURL() {
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return (
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"http" +
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(location.hostname == "localhost" ? "" : "s") +
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"://" +
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location.hostname
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);
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}
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// =====================================================
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// generate random room id
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// =====================================================
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function getRoomId() {
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let roomId = location.pathname.substring(1);
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// if not specified room name, create one random
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if (roomId == "") {
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roomId = Math.random().toString(36).substr(2, 10);
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const newurl = signalingServer + "/" + roomId;
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window.history.pushState({ url: newurl }, roomId, newurl);
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}
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return roomId;
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}
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// =====================================================
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// get started
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// =====================================================
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function initPeer() {
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/* https://github.com/muaz-khan/DetectRTC
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* check if peer is done for WebRTC */
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if (DetectRTC.isWebRTCSupported === false) {
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console.error("isWebRTCSupported: false");
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userLog("info", "This browser seems not supported WebRTC!");
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return;
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}
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// peer ready for WebRTC! :)
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console.log("Connecting to signaling server");
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signalingSocket = io(signalingServer);
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signalingSocket.on("connect", function () {
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console.log("Connected to signaling server");
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setupLocalMedia(function () {
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/* once the user has given us access to their
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* microphone/camcorder, join the channel
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* and start peering up */
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joinToChannel(roomId, peerInfo);
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});
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});
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signalingSocket.on("disconnect", function () {
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console.log("Disconnected from signaling server");
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/* Tear down all of our peer connections and remove all the
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* media divs when we disconnect */
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for (peer_id in peerMediaElements) {
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document.body.removeChild(peerMediaElements[peer_id].parentNode);
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resizeVideos();
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}
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for (peer_id in peers) {
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peers[peer_id].close();
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}
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peers = {};
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peerMediaElements = {};
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});
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// join to chennel and send some peer info
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function joinToChannel(channel, peerInfo) {
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console.log("join to channel", channel);
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signalingSocket.emit("join", {
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channel: channel,
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peerInfo: peerInfo,
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});
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}
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/*
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* When we join a group, our signaling server will send out 'addPeer' events to each pair
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* of users in the group (creating a fully-connected graph of users, ie if there are 6 people
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* in the channel you will connect directly to the other 5, so there will be a total of 15
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* connections in the network).
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*/
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signalingSocket.on("addPeer", function (config) {
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// console.log('-------------------------------')
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// console.log('addPeer', JSON.stringify(config))
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// console.log('-------------------------------')
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var peer_id = config.peer_id;
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if (peer_id in peers) {
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/* This could happen if the user joins multiple channels where the other peer is also in. */
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console.log("Already connected to peer", peer_id);
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return;
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}
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if (config.iceServers) iceServers = config.iceServers;
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console.log("iceServers", iceServers[0]);
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection
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peerConnection = new RTCPeerConnection(
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{ iceServers: iceServers },
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{
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optional: [
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{ DtlsSrtpKeyAgreement: true }, // is required for Chrome and Firefox to interoperate.
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{ RtpDataChannels: DetectRTC.isRtpDataChannelsSupported }, // is required if we want to make use of the DataChannels API on Firefox.
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],
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}
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);
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// collect peer connections
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peers[peer_id] = peerConnection;
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playSound("addPeer");
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/onicecandidate
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peers[peer_id].onicecandidate = function (event) {
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if (event.candidate) {
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signalingSocket.emit("relayICE", {
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peer_id: peer_id,
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ice_candidate: {
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sdpMLineIndex: event.candidate.sdpMLineIndex,
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candidate: event.candidate.candidate,
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address: event.candidate.address,
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},
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});
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}
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};
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/onaddstream
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// WebRTC: onaddstream is deprecated! Use peerConnection.ontrack instead.
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peers[peer_id].onaddstream = function (event) {
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console.log("onaddstream", event);
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remoteMediaStream = event.stream;
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const videoWrap = document.createElement("div");
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videoWrap.className = "video";
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const remoteMedia = document.createElement("video");
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videoWrap.appendChild(remoteMedia);
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remoteMedia.setAttribute("playsinline", true);
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remoteMedia.mediaGroup = "remotevideo";
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remoteMedia.poster = loaderGif;
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remoteMedia.autoplay = true;
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remoteMedia.controls = false;
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peerMediaElements[peer_id] = remoteMedia;
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document.body.appendChild(videoWrap);
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// attachMediaStream is a part of the adapter.js library
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attachMediaStream(remoteMedia, remoteMediaStream);
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remoteMedia.poster = null;
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resizeVideos();
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};
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/addStream
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peers[peer_id].addStream(localMediaStream); // Add our local stream
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/*
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* Only one side of the peer connection should create the
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* offer, the signaling server picks one to be the offerer.
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* The other user will get a 'sessionDescription' event and will
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* create an offer, then send back an answer 'sessionDescription' to us
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*/
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if (config.should_create_offer) {
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console.log("Creating RTC offer to", peer_id);
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/createOffer
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peers[peer_id]
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.createOffer()
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.then(function (local_description) {
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console.log("Local offer description is", local_description);
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/setLocalDescription
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peers[peer_id]
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.setLocalDescription(local_description)
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.then(function () {
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signalingSocket.emit("relaySDP", {
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peer_id: peer_id,
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session_description: local_description,
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});
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console.log("Offer setLocalDescription done!");
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})
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.catch((e) => {
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console.error("[Error] offer setLocalDescription", e);
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userLog("error", "Offer setLocalDescription failed!");
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});
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})
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.catch((e) => {
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console.error("[Error] sending offer", e);
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});
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} // end if offer true
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}); // end addPeer
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/**
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* Peers exchange session descriptions which contains information
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* about their audio / video settings and that sort of stuff. First
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* the 'offerer' sends a description to the 'answerer' (with type
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* "offer"), then the answerer sends one back (with type "answer").
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*/
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signalingSocket.on("sessionDescription", function (config) {
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console.log("Remote Session-description", config);
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var peer_id = config.peer_id;
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var peer = peers[peer_id];
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var remote_description = config.session_description;
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCSessionDescription
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var description = new RTCSessionDescription(remote_description);
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/setRemoteDescription
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peer
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.setRemoteDescription(description)
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.then(function () {
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console.log("setRemoteDescription done!");
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if (remote_description.type == "offer") {
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console.log("Creating answer");
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/createAnswer
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peer
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.createAnswer()
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.then(function (local_description) {
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console.log("Answer description is: ", local_description);
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/setLocalDescription
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peer
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.setLocalDescription(local_description)
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.then(function () {
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signalingSocket.emit("relaySDP", {
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peer_id: peer_id,
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session_description: local_description,
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});
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console.log("Answer setLocalDescription done!");
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})
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.catch((e) => {
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console.error("[Error] answer setLocalDescription", e);
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userLog("error", "Answer setLocalDescription failed!");
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});
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})
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.catch((e) => {
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console.error("[Error] creating answer", e);
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});
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} // end if type [offer]
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})
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.catch((e) => {
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console.error("[Error] setRemoteDescription", e);
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});
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});
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/**
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* The offerer will send a number of ICE Candidate blobs to the answerer so they
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* can begin trying to find the best path to one another on the net.
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*/
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signalingSocket.on("iceCandidate", function (config) {
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var peer = peers[config.peer_id];
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var ice_candidate = config.ice_candidate;
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// https://developer.mozilla.org/en-US/docs/Web/API/RTCIceCandidate
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peer.addIceCandidate(new RTCIceCandidate(ice_candidate));
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});
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/**
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* When a user leaves a channel (or is disconnected from the
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* signaling server) everyone will recieve a 'removePeer' message
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* telling them to trash the media channels they have open for those
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* that peer. If it was this client that left a channel, they'll also
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* receive the removePeers. If this client was disconnected, they
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* wont receive removePeers, but rather the
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* signaling_socket.on('disconnect') code will kick in and tear down
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* all the peer sessions.
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*/
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signalingSocket.on("removePeer", function (config) {
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console.log("Signaling server said to remove peer:", config);
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var peer_id = config.peer_id;
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if (peer_id in peerMediaElements) {
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document.body.removeChild(peerMediaElements[peer_id].parentNode);
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resizeVideos();
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}
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if (peer_id in peers) {
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peers[peer_id].close();
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}
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delete peers[peer_id];
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delete peerMediaElements[config.peer_id];
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playSound("removePeer");
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});
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// show messages simple - chat
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signalingSocket.on("onMessage", function (config) {
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console.log("Receive msg", { msg: config.msg });
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switch (config.type) {
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case "simple":
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playSound("newMessage");
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showMessage(config.msg);
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break;
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case "chat":
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if (!isChatBoxVisible) {
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showChatRoom();
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get("chatRoomBtn").className = "fas fa-comment-slash";
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}
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playSound("newMessage");
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appendMessage(config.name, friendChatAvatar, "left", config.msg);
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break;
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}
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});
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} // end [initPeer]
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// =====================================================
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// Local media stuff
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// =====================================================
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function setupLocalMedia(callback, errorback) {
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/* ie, if we've already been initialized do nothing */
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if (localMediaStream != null) {
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if (callback) callback();
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return;
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}
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/* Ask user for permission to use the computers microphone and/or camera,
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* attach it to an <audio> or <video> tag if they give us access. */
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console.log("Requesting access to local audio / video inputs");
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attachMediaStream = function (element, stream) {
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console.log("DEPRECATED, attachMediaStream will soon be removed.");
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element.srcObject = stream;
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};
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const constraints = {
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video: useVideo,
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audio: useAudio,
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};
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navigator.mediaDevices
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// https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
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.getUserMedia(constraints)
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.then((stream) => {
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console.log("Access granted to audio/video");
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document.body.style.backgroundImage = "none";
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localMediaStream = stream;
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manageButtons();
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// =====================================================
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// setup localMedia
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// =====================================================
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const videoWrap = document.createElement("div");
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videoWrap.className = "video";
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videoWrap.setAttribute("id", "myVideoWrap");
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const localMedia = document.createElement("video");
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videoWrap.appendChild(localMedia);
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localMedia.setAttribute("id", "myVideo");
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localMedia.setAttribute("playsinline", true);
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localMedia.className = "mirror";
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localMedia.poster = loaderGif;
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localMedia.autoplay = true;
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localMedia.muted = true;
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localMedia.volume = 0;
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localMedia.controls = false;
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document.body.appendChild(videoWrap);
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console.log("local-video-audio", {
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video: localMediaStream.getVideoTracks()[0].label,
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audio: localMediaStream.getAudioTracks()[0].label,
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});
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// attachMediaStream is a part of the adapter.js library
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attachMediaStream(localMedia, localMediaStream);
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localMedia.poster = null;
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resizeVideos();
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if (callback) callback();
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})
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.catch((e) => {
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/* user denied access to a/v */
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console.error("Access denied for audio/video", e);
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userLog(
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"error",
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"This app will not work without camera/microphone access."
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);
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if (errorback) errorback();
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});
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} // end [setup_local_stream]
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// =====================================================
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// check if there is peers
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// =====================================================
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function noPeers() {
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if (Object.keys(peers).length === 0) {
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return true;
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}
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return false;
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}
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// =====================================================
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// WebRTC buttons
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// =====================================================
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function manageButtons() {
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setCopyRoomBtn();
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setAudioBtn();
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setVideoBtn();
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setSwapCameraBtn();
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setScreenShareBtn();
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setFullScreenBtn();
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setSendMsgBtn();
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setChatRoomBtn();
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setAboutBtn();
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setLeaveRoomBtn();
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setButtonsOpacity();
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}
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// =====================================================
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// copy Room URL button click event
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// =====================================================
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function setCopyRoomBtn() {
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get("copyRoomBtn").addEventListener("click", (e) => {
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copyRoomURL();
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});
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}
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// =====================================================
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// audio mute-unmute button click event
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// =====================================================
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function setAudioBtn() {
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get("audioBtn").addEventListener("click", (e) => {
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localMediaStream.getAudioTracks()[0].enabled = !localMediaStream.getAudioTracks()[0]
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.enabled;
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e.target.className =
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"fas fa-microphone" +
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(localMediaStream.getAudioTracks()[0].enabled ? "" : "-slash");
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});
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}
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// =====================================================
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// video hide-show button click event
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// =====================================================
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function setVideoBtn() {
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get("videoBtn").addEventListener("click", (e) => {
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// https://developer.mozilla.org/en-US/docs/Web/API/MediaStream/getVideoTracks
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localMediaStream.getVideoTracks()[0].enabled = !localMediaStream.getVideoTracks()[0]
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.enabled;
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e.target.className =
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"fas fa-video" +
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(localMediaStream.getVideoTracks()[0].enabled ? "" : "-slash");
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});
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}
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// =====================================================
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// check if can swap or not cam, if yes show the button else hide it
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// =====================================================
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function setSwapCameraBtn() {
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navigator.mediaDevices.enumerateDevices().then((devices) => {
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const videoInput = devices.filter((device) => device.kind === "videoinput");
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if (videoInput.length > 1) {
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// swap camera front-rear button click event
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document
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.getElementById("swapCameraBtn")
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.addEventListener("click", (e) => {
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swapCamera();
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});
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} else {
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get("swapCameraBtn").style.display = "none";
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}
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});
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}
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// =====================================================
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// check if can share a screen, if yes show button else hide it
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// =====================================================
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function setScreenShareBtn() {
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if (navigator.getDisplayMedia || navigator.mediaDevices.getDisplayMedia) {
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// share-screen on-off button click event
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get("screenShareBtn").addEventListener("click", (e) => {
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toggleScreenSharing();
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});
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} else {
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get("screenShareBtn").style.display = "none";
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}
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}
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// =====================================================
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// full screen Button click event
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// =====================================================
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function setFullScreenBtn() {
|
|
if (DetectRTC.browser.name != "Safari") {
|
|
// detect Esc full screen mode
|
|
document.addEventListener("fullscreenchange", function (e) {
|
|
var fullscreenElement = document.fullscreenElement;
|
|
if (!fullscreenElement) {
|
|
get("fullScreenBtn").className = "fas fa-expand-alt";
|
|
}
|
|
});
|
|
|
|
get("fullScreenBtn").addEventListener("click", (e) => {
|
|
toggleFullScreen();
|
|
});
|
|
} else {
|
|
get("fullScreenBtn").style.display = "none";
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// send message button click event
|
|
// =====================================================
|
|
function setSendMsgBtn() {
|
|
get("sendMsgBtn").addEventListener("click", (e) => {
|
|
sendMessage();
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// chat room button click event
|
|
// =====================================================
|
|
function setChatRoomBtn() {
|
|
// Make chat room draggable
|
|
dragElement(get("msgerDraggable"));
|
|
|
|
get("chatRoomBtn").addEventListener("click", (e) => {
|
|
if (noPeers()) {
|
|
userLog("info", "Can't Open Chat Room, no peer connection detected");
|
|
return;
|
|
}
|
|
e.target.className = "fas fa-comment" + (isChatBoxVisible ? "" : "-slash");
|
|
if (!isChatBoxVisible) {
|
|
showChatRoom();
|
|
} else {
|
|
get("msgerDraggable").style.display = "none";
|
|
isChatBoxVisible = false;
|
|
}
|
|
});
|
|
|
|
get("msgerSendBtn").addEventListener("click", (e) => {
|
|
e.preventDefault(); // prevent refresh page
|
|
const msg = get("msgerInput").value;
|
|
if (!msg) return; // empity msg
|
|
|
|
emitMsg(myChatName, msg, "chat");
|
|
appendMessage(myChatName, myChatAvatar, "right", msg);
|
|
|
|
get("msgerInput").value = "";
|
|
});
|
|
|
|
get("msgerHeaderHide").addEventListener("click", (e) => {
|
|
get("msgerDraggable").style.display = "none";
|
|
get("chatRoomBtn").className = "fas fa-comment";
|
|
isChatBoxVisible = false;
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// about button click event
|
|
// =====================================================
|
|
function setAboutBtn() {
|
|
get("aboutBtn").addEventListener("click", (e) => {
|
|
about();
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// end call button click event
|
|
// =====================================================
|
|
function setLeaveRoomBtn() {
|
|
get("leaveRoomBtn").addEventListener("click", (e) => {
|
|
leaveRoom();
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// set button opacity 1 means no opacity, you can change if like (0.5) ..
|
|
// =====================================================
|
|
function setButtonsOpacity() {
|
|
get("buttons").style.opacity = "1";
|
|
}
|
|
|
|
// =====================================================
|
|
// resize Videos frames
|
|
// =====================================================
|
|
function resizeVideos() {
|
|
const numToString = ["", "one", "two", "three", "four", "five", "six"];
|
|
const videos = document.querySelectorAll(".video");
|
|
document.querySelectorAll(".video").forEach((v) => {
|
|
v.className = "video " + numToString[videos.length];
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// send message to peers
|
|
// =====================================================
|
|
function sendMessage() {
|
|
if (noPeers()) {
|
|
userLog("info", "Can't Send msg, no peer connection detected");
|
|
return;
|
|
}
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
input: "text",
|
|
inputLabel: "Send Message",
|
|
inputPlaceholder: "Type your message here...",
|
|
inputAttributes: {
|
|
"aria-label": "Type your message here",
|
|
},
|
|
showDenyButton: true,
|
|
confirmButtonText: `Send`,
|
|
denyButtonText: `Close`,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
}).then((result) => {
|
|
if (result.isConfirmed) {
|
|
let msg = result.value;
|
|
emitMsg("simple", msg, "simple");
|
|
}
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// Called when a message is recieved over the dataChannel
|
|
// =====================================================
|
|
function showMessage(msg) {
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
icon: "success",
|
|
title: "New Message",
|
|
text: msg,
|
|
input: "text",
|
|
inputPlaceholder: "Type your message here...",
|
|
inputAttributes: {
|
|
"aria-label": "Type your message here",
|
|
},
|
|
showDenyButton: true,
|
|
confirmButtonText: `Reply`,
|
|
denyButtonText: `Close`,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
}).then((result) => {
|
|
if (result.isConfirmed) {
|
|
let msg = result.value;
|
|
emitMsg("simple", msg, "simple");
|
|
}
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// chat room form
|
|
// =====================================================
|
|
function showChatRoom() {
|
|
if (!myChatName) {
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
icon: "info",
|
|
title: "Enter your chat name",
|
|
input: "text",
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
inputValidator: (value) => {
|
|
if (!value) {
|
|
return "Please write your chat name.";
|
|
}
|
|
myChatName = value;
|
|
get("msgerDraggable").style.display = "flex";
|
|
isChatBoxVisible = true;
|
|
},
|
|
});
|
|
} else {
|
|
// chat name already set just open chat room
|
|
get("msgerDraggable").style.display = "flex";
|
|
isChatBoxVisible = true;
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// drag char room element
|
|
// =====================================================
|
|
function dragElement(elmnt) {
|
|
// https://www.w3schools.com/howto/howto_js_draggable.asp
|
|
var pos1 = 0,
|
|
pos2 = 0,
|
|
pos3 = 0,
|
|
pos4 = 0;
|
|
if (get("msgerHeader")) {
|
|
/* if present, the header is where you move the DIV from:*/
|
|
get("msgerHeader").onmousedown = dragMouseDown;
|
|
} else {
|
|
/* otherwise, move the DIV from anywhere inside the DIV:*/
|
|
elmnt.onmousedown = dragMouseDown;
|
|
}
|
|
|
|
function dragMouseDown(e) {
|
|
e = e || window.event;
|
|
e.preventDefault();
|
|
// get the mouse cursor position at startup:
|
|
pos3 = e.clientX;
|
|
pos4 = e.clientY;
|
|
document.onmouseup = closeDragElement;
|
|
// call a function whenever the cursor moves:
|
|
document.onmousemove = elementDrag;
|
|
}
|
|
|
|
function elementDrag(e) {
|
|
e = e || window.event;
|
|
e.preventDefault();
|
|
// calculate the new cursor position:
|
|
pos1 = pos3 - e.clientX;
|
|
pos2 = pos4 - e.clientY;
|
|
pos3 = e.clientX;
|
|
pos4 = e.clientY;
|
|
// set the element's new position:
|
|
elmnt.style.top = elmnt.offsetTop - pos2 + "px";
|
|
elmnt.style.left = elmnt.offsetLeft - pos1 + "px";
|
|
}
|
|
|
|
function closeDragElement() {
|
|
/* stop moving when mouse button is released:*/
|
|
document.onmouseup = null;
|
|
document.onmousemove = null;
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// append Message to msger chat room
|
|
// =====================================================
|
|
function appendMessage(name, img, side, text) {
|
|
const msgHTML = `
|
|
<div class="msg ${side}-msg">
|
|
<div class="msg-img" style="background-image: url(${img})"></div>
|
|
<div class="msg-bubble">
|
|
<div class="msg-info">
|
|
<div class="msg-info-name">${name}</div>
|
|
<div class="msg-info-time">${formatDate(new Date())}</div>
|
|
</div>
|
|
<div class="msg-text">${text}</div>
|
|
</div>
|
|
</div>
|
|
`;
|
|
get("msgerChat").insertAdjacentHTML("beforeend", msgHTML);
|
|
get("msgerChat").scrollTop += 500;
|
|
}
|
|
|
|
// =====================================================
|
|
// Send message over signaling server
|
|
// =====================================================
|
|
function emitMsg(name, msg, type) {
|
|
if (msg) {
|
|
signalingSocket.emit("msg", {
|
|
peers: peers,
|
|
name: name,
|
|
msg: msg,
|
|
type: type,
|
|
});
|
|
console.log("Send msg", {
|
|
name: name,
|
|
msg: msg,
|
|
});
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// active - disactive screen sharing
|
|
// =====================================================
|
|
function toggleScreenSharing() {
|
|
if (noPeers()) {
|
|
userLog("info", "Can't Toggle screen sharing, no peer connection detected");
|
|
return;
|
|
}
|
|
|
|
const constraints = {
|
|
video: true,
|
|
};
|
|
|
|
let screenMediaPromise;
|
|
|
|
if (!isScreenStreaming) {
|
|
if (navigator.getDisplayMedia) {
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getDisplayMedia
|
|
screenMediaPromise = navigator.getDisplayMedia(constraints);
|
|
} else if (navigator.mediaDevices.getDisplayMedia) {
|
|
screenMediaPromise = navigator.mediaDevices.getDisplayMedia(constraints);
|
|
} else {
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
|
|
screenMediaPromise = navigator.mediaDevices.getUserMedia({
|
|
video: {
|
|
mediaSource: "screen",
|
|
},
|
|
});
|
|
}
|
|
} else {
|
|
screenMediaPromise = navigator.mediaDevices.getUserMedia(constraints);
|
|
get("videoBtn").className = "fas fa-video"; // make sure to enable video
|
|
}
|
|
screenMediaPromise
|
|
.then((screenStream) => {
|
|
isScreenStreaming = !isScreenStreaming;
|
|
|
|
for (peer_id in peers) {
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/getSenders
|
|
var sender = peers[peer_id]
|
|
.getSenders()
|
|
.find((s) => (s.track ? s.track.kind === "video" : false));
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/RTCRtpSender/replaceTrack
|
|
sender.replaceTrack(screenStream.getVideoTracks()[0]);
|
|
}
|
|
|
|
screenStream.getVideoTracks()[0].enabled = true;
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/MediaStream
|
|
const newStream = new MediaStream([
|
|
screenStream.getVideoTracks()[0],
|
|
localMediaStream.getAudioTracks()[0],
|
|
]);
|
|
localMediaStream = newStream;
|
|
|
|
// attachMediaStream is a part of the adapter.js library
|
|
attachMediaStream(get("myVideo"), localMediaStream); // newstream
|
|
|
|
get("myVideo").classList.toggle("mirror");
|
|
get("screenShareBtn").classList.toggle("active");
|
|
get("screenShareBtn").className = isScreenStreaming
|
|
? "fas fa-stop-circle"
|
|
: "fas fa-desktop";
|
|
|
|
screenStream.getVideoTracks()[0].onended = function () {
|
|
if (isScreenStreaming) toggleScreenSharing();
|
|
};
|
|
})
|
|
.catch((e) => {
|
|
console.error("[Error] Unable to share the screen", e);
|
|
userLog("error", "Unable to share the screen");
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// enter - esc on full screen mode
|
|
// =====================================================
|
|
function toggleFullScreen() {
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API
|
|
if (!document.fullscreenElement) {
|
|
document.documentElement.requestFullscreen();
|
|
get("fullScreenBtn").className = "fas fa-compress-alt";
|
|
} else {
|
|
if (document.exitFullscreen) {
|
|
document.exitFullscreen();
|
|
get("fullScreenBtn").className = "fas fa-expand-alt";
|
|
}
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// swapCamer front(user) - rear(environment)
|
|
// =====================================================
|
|
function swapCamera() {
|
|
if (noPeers()) {
|
|
userLog("info", "Can't Swap the Camera, no peer connection detected");
|
|
return;
|
|
}
|
|
|
|
camera = camera == "user" ? "environment" : "user";
|
|
if (camera == "user") useVideo = true;
|
|
else useVideo = { facingMode: { exact: camera } };
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
|
|
navigator.mediaDevices
|
|
.getUserMedia({ video: useVideo })
|
|
.then((camStream) => {
|
|
for (peer_id in peers) {
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/getSenders
|
|
var sender = peers[peer_id]
|
|
.getSenders()
|
|
.find((s) => (s.track ? s.track.kind === "video" : false));
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/RTCRtpSender/replaceTrack
|
|
sender.replaceTrack(camStream.getVideoTracks()[0]);
|
|
}
|
|
|
|
camStream.getVideoTracks()[0].enabled = true;
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/MediaStream
|
|
const newStream = new MediaStream([
|
|
camStream.getVideoTracks()[0],
|
|
localMediaStream.getAudioTracks()[0],
|
|
]);
|
|
localMediaStream = newStream;
|
|
|
|
// attachMediaStream is a part of the adapter.js library
|
|
attachMediaStream(get("myVideo"), localMediaStream);
|
|
|
|
get("myVideo").classList.toggle("mirror");
|
|
})
|
|
.catch((e) => {
|
|
console.log("[Error] to swaping camera", e);
|
|
userLog("error", "Error to swaping the camera");
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// copy RoomID url to clipboard and share it
|
|
// =====================================================
|
|
function copyRoomURL() {
|
|
var tmpInput = document.createElement("input");
|
|
ROOM_URL = window.location.href;
|
|
document.body.appendChild(tmpInput);
|
|
tmpInput.value = ROOM_URL;
|
|
tmpInput.select();
|
|
tmpInput.setSelectionRange(0, 99999); /* For mobile devices */
|
|
document.execCommand("copy");
|
|
console.log("Copied to clipboard Join Link ", ROOM_URL);
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
icon: "success",
|
|
title: "Copied to clipboard",
|
|
text: "Join link: " + ROOM_URL,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
timer: 4000,
|
|
});
|
|
document.body.removeChild(tmpInput);
|
|
}
|
|
|
|
// =====================================================
|
|
// about info
|
|
// =====================================================
|
|
function about() {
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
title: "<strong>Made with ❤️</strong>",
|
|
imageUrl: loaderGif,
|
|
imageWidth: 320,
|
|
imageHeight: 240,
|
|
imageAlt: "Custom image",
|
|
html:
|
|
"<b>Open Source</b> project on" +
|
|
'<a href="https://github.com/miroslavpejic85/mirotalk" target="_blank"> GitHub</a> ',
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// Leave the Room and create a new one
|
|
// =====================================================
|
|
function leaveRoom() {
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
title: "Leave this room?",
|
|
showDenyButton: true,
|
|
confirmButtonText: `Yes`,
|
|
denyButtonText: `No`,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
}).then((result) => {
|
|
/* Read more about isConfirmed, isDenied below */
|
|
if (result.isConfirmed) {
|
|
window.location.href = "/";
|
|
}
|
|
});
|
|
}
|
|
|
|
// =====================================================
|
|
// Basic user logging: https://sweetalert2.github.io
|
|
// =====================================================
|
|
function userLog(type, message) {
|
|
switch (type) {
|
|
case "error":
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
icon: "error",
|
|
title: "Oops...",
|
|
text: message,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
});
|
|
break;
|
|
case "info":
|
|
Swal.fire({
|
|
background: "black",
|
|
position: "center",
|
|
icon: "info",
|
|
title: "Info",
|
|
text: message,
|
|
showClass: {
|
|
popup: "animate__animated animate__fadeInDown",
|
|
},
|
|
hideClass: {
|
|
popup: "animate__animated animate__fadeOutUp",
|
|
},
|
|
});
|
|
break;
|
|
// ......
|
|
default:
|
|
alert(message);
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// Sound notifications
|
|
// =====================================================
|
|
async function playSound(state) {
|
|
if (!notifyBySound) return;
|
|
|
|
let file_audio = "";
|
|
switch (state) {
|
|
case "addPeer":
|
|
file_audio = "audio/add_peer.mp3";
|
|
break;
|
|
case "removePeer":
|
|
file_audio = "audio/remove_peer.mp3";
|
|
break;
|
|
case "newMessage":
|
|
file_audio = "audio/new_message.mp3";
|
|
break;
|
|
// ...
|
|
default:
|
|
console.log("no file audio");
|
|
}
|
|
if (file_audio != "") {
|
|
audioToPlay = new Audio(file_audio);
|
|
try {
|
|
await audioToPlay.play();
|
|
} catch (e) {
|
|
// console.error("Cannot play sound", e);
|
|
// Automatic playback failed.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// utils
|
|
function get(id) {
|
|
return document.getElementById(id);
|
|
}
|
|
// date now
|
|
function formatDate(date) {
|
|
const h = "0" + date.getHours();
|
|
const m = "0" + date.getMinutes();
|
|
return `${h.slice(-2)}:${m.slice(-2)}`;
|
|
}
|
|
|