mirror of https://github.com/dani/vroom.git
639 lines
20 KiB
JavaScript
639 lines
20 KiB
JavaScript
/*
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This file is part of the VROOM project
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released under the MIT licence
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Copyright 2014 Firewall Services
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*/
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// Default notifications
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$.notify.defaults( { globalPosition: "bottom left" } );
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// Enable tooltip on required elements
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$('.help').tooltip({container: 'body'});
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// Strings we need translated
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var locale = {
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ERROR_MAIL_INVALID: '',
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ERROR_OCCURED: '',
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CANT_SHARE_SCREEN: '',
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SCREEN_SHARING_ONLY_FOR_CHROME: '',
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SCREEN_SHARING_CANCELLED: '',
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EVERYONE_CAN_SEE_YOUR_SCREEN: '',
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SCREEN_UNSHARED: '',
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MIC_MUTED: '',
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MIC_UNMUTED: '',
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CAM_SUSPENDED: '',
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CAM_RESUMED: '',
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SET_YOUR_NAME_TO_CHAT: '',
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ONE_OF_THE_PEERS: '',
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ROOM_LOCKED_BY_s: '',
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ROOM_UNLOCKED_BY_s: '',
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CANT_SEND_TO_s: '',
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SCREEN_s: ''
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};
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// Localize the strings we need
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$.ajax({
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url: '/localize',
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type: 'POST',
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dataType: 'json',
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data: {
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strings: JSON.stringify(locale),
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},
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success: function(data) {
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locale = data;
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}
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});
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function initVroom(room) {
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var peers = {
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local: {
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screenShared: false,
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micMuted: false,
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videoPaused: false,
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displayName: '',
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color: chooseColor()
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}
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};
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var mainVid = false;
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$('#name_local').css('background-color', peers.local.color);
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$.ajaxSetup({
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url: actionUrl,
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type: 'POST',
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dataType: 'json',
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});
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// Screen sharing is only suported on chrome > 26
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if ( !$.browser.webkit || $.browser.versionNumber < 26 ) {
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$("#shareScreenLabel").addClass('disabled');
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}
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// Escape entities
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function stringEscape(string){
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string = string.replace(/[\u00A0-\u99999<>\&]/gim, function(i) {
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return '&#' + i.charCodeAt(0) + ';';
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});
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return string;
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}
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// Select a color (randomly) from this list, used for text chat
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function chooseColor(){
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// Shamelessly taken from http://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/
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var colors = [
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'#F37E79', '#7998F3', '#BBF379', '#F379DF', '#79F3E3', '#F3BF79', '#F3BF79', '#9C79F3',
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'#7AF379', '#F3799D', '#79C1F3', '#E4F379', '#DE79F3', '#79F3BA', '#F39779', '#797FF3',
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'#A2F379', '#F379C6', '#79E9F3', '#F3D979', '#B579F3', '#79F392', '#F37984', '#79A8F3',
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'#CBF379', '#F379EE', '#79F3D3'
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];
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return colors[Math.floor(Math.random() * colors.length)];
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}
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// Just play a sound
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function playSound(sound){
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var audio = new Audio('/snd/'+sound);
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audio.play();
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}
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// Request full screen
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function fullScreen(el){
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if (el.requestFullScreen)
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el.requestFullScreen();
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else if (el.webkitRequestFullScreen)
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el.webkitRequestFullScreen();
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else if (el.mozRequestFullScreen)
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el.mozRequestFullScreen();
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}
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// get max height for the main video and the preview div
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function maxHeight(){
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// Which is the window height, minus toolbar, and a margin of 25px
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return $(window).height()-$('#toolbar').height()-25;
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}
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// Logout
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function hangupCall(){
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webrtc.connection.disconnect();
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}
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// Handle a new video (either another peer, or a screen
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// including our own local screen
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function addVideo(video,peer){
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playSound('join.mp3');
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// The main div of this new video
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// will contain the video plus all other info like displayName, overlay and volume bar
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var div = $('<div></div>').addClass('col-xs-6 col-sm-12 col-lg-6 previewContainer').append(video).appendTo("#webRTCVideo");
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// Peer isn't defined ? it's our own local screen
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var id;
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if (!peer){
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id = 'local';
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$('<div></div>').addClass('displayName').attr('id', 'name_local_screen').appendTo(div);
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updateDisplayName(id);
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}
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// video id contains screen ? it's a peer sharing it's screen
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else if (video.id.match(/screen/)){
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id = peer.id + '_screen';
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var peer_id = video.id.replace('_screen_incoming', '');
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$('<div></div>').addClass('displayName').attr('id', 'name_' + peer_id + '_screen').appendTo(div);
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updateDisplayName(peer_id);
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}
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// It's the webcam of a peer
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// add the volume bar and the mute/pause overlay
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else{
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id = peer.id;
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// Create 3 divs which will contains the volume bar, the displayName and the muted/paused el (overlay)
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$('<div></div>').addClass('volumeBar').attr('id', 'volume_' + id).appendTo(div);
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$('<div></div>').addClass('displayName').attr('id', 'name_' + id).appendTo(div);
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$('<div></div>').attr('id', 'overlay_' + id).appendTo(div);
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// Create a new dataChannel
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// will be used for text chat
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var color = chooseColor();
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peers[peer.id] = {
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displayName: peer.id,
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color: color,
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dc: peer.getDataChannel('vroom'),
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obj: peer
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};
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// Send our info to this peer (displayName/color)
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// but wait a bit so channels are fully setup (or have more chances to be) before we send
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setTimeout(function(){
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if ($('#displayName').val() !== '') {
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peer.sendDirectly('vroom','setDisplayName', $('#displayName').val());
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}
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peer.send('peer_color', {color: peers.local.color});
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}, 3500);
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}
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$(div).attr('id', 'peer_' + id);
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// Disable context menu on the video
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$(video).bind("contextmenu", function(){
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return false;
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});
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// And go full screen on double click
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// TODO: also handle double tap
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$(video).dblclick(function() {
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fullScreen(this);
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});
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// Simple click put this preview in the mainVideo div
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$(video).click(function() {
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if ($(this).hasClass('selected')){
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$(this).removeClass('selected');
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$('#mainVideo').html('');
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}
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else {
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$('#mainVideo').html($(video).clone().dblclick(function() {
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fullScreen(this);
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}).css('max-height', maxHeight()).bind("contextmenu", function(){ return false; }));
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$('.selected').removeClass('selected');
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$(this).addClass('selected');
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mainVid = id;
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}
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});
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}
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// Update volume of the corresponding peer
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function showVolume(el, volume) {
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if (!el){
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return;
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}
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if (volume < -45) { // vary between -45 and -20
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el.css('height', '0px');
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}
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else if (volume > -20) {
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el.css('height', '100%');
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}
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else {
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el.css('height', Math.floor((volume + 100) * 100 / 25 - 220) + '%');
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}
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}
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// Return curren time formatted as XX:XX:XX
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function getTime(){
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var d = new Date();
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var hours = d.getHours().toString(),
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minutes = d.getMinutes().toString(),
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seconds = d.getSeconds().toString();
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hours = (hours.length < 2) ? '0' + hours:hours;
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minutes = (minutes.length < 2) ? '0' + minutes:minutes;
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seconds = (seconds.length < 2) ? '0' + seconds:seconds;
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return hours + ':' + minutes + ':' + seconds;
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}
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// Linkify urls
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// Taken from http://rickyrosario.com/blog/converting-a-url-into-a-link-in-javascript-linkify-function/
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function linkify(text){
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if (text) {
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text = text.replace(
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/((https?\:\/\/)|(www\.))(\S+)(\w{2,4})(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/gi,
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function(url){
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var full_url = url;
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if (!full_url.match('^https?:\/\/')) {
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full_url = 'http://' + full_url;
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}
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return '<a href="' + full_url + '" target="_blank">' + url + '</a>';
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}
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);
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}
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return text;
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}
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// Add a new message to the chat history
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function newChatMessage(from,message){
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// displayName and message have already been escaped
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var cl = (from === 'local') ? 'chatMsgSelf':'chatMsgOthers';
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var newmsg = $('<div class="chatMsg ' + cl + '">' + getTime() + ' ' + peers[from].displayName + '<p>' + linkify(message) + '</p></div>').css('background-color', peers[from].color);
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$('<div class="row chatMsgContainer"></div>').append(newmsg).appendTo('#chatHistory');
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$('#chatHistory').scrollTop($('#chatHistory').prop('scrollHeight'));
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}
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// Update the displayName of the peer
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// and its screen if any
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function updateDisplayName(id){
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// We might receive the screen before the screen itself
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// so check if the object exist before using it, or fallback with empty values
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var display = (peers[id] && peers[id].hasName) ? peers[id].displayName : '';
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var color = (peers[id] && peers[id].color) ? peers[id].color : chooseColor();
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var screenName = (peers[id] && peers[id].hasName) ? sprintf(locale.SCREEN_s, peers[id].displayName) : '';
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$('#name_' + id).html(display).css('background-color', color);
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$('#name_' + id + '_screen').html(screenName).css('background-color', color);
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}
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// Handle volume changes from our own mic
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webrtc.on('volumeChange', function (volume, treshold) {
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showVolume($('#localVolume'), volume);
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});
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webrtc.on('channelMessage', function (peer, label, data) {
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// We only want to act on data receive from the vroom channel
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if (label !== 'vroom') return;
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// Handle volume changes from remote peers
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if (data.type == 'volume') {
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showVolume($('#volume_' + peer.id), data.volume);
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}
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// The peer sets a displayName, record this in our peers struct
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else if (data.type == 'setDisplayName') {
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var name = stringEscape(data.payload);
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peer.logger.log('Received displayName ' + name + ' from peer ' + peer.id);
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// Set display name under the video
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peers[peer.id].displayName = name;
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if (name !== '') peers[peer.id].hasName = true;
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else peers[peer.id].hasName = false;
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updateDisplayName(peer.id);
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}
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// One peer just sent a text chat message
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else if (data.type == 'textChat') {
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if ($('#chatDropdown').hasClass('collapsed')){
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$('#chatDropdown').addClass('btn-danger');
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playSound('newmsg.mp3');
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}
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newChatMessage(peer.id,stringEscape(data.payload));
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}
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});
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webrtc.on('peer_color', function(data){
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var color = data.payload.color;
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if (!color.match(/#[\da-f]{6}/i)) return;
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peers[data.id].color = color;
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$('#name_' + data.id).css('background-color', color);
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$('#name_' + data.id + '_screen').css('background-color', color);
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// Update the displayName but only if it has been set (no need to display a cryptic peer ID)
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if (peers[data.id].hasName){
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updateDisplayName(data.id);
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}
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});
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// Received when a peer mute his mic, or pause the video
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webrtc.on('mute', function(data){
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if (data.name === 'audio'){
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showVolume($('#volume_' + data.id), -46);
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var div = 'mute_' + data.id,
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cl = 'muted';
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}
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else if (data.name === 'video'){
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var div = 'pause_' + data.id,
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cl = 'paused';
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}
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else return;
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$("#overlay_" + data.id).append('<div id="' + div + '" class="' + cl + '"></div>');
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});
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// Handle unmute/resume
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webrtc.on('unmute', function(data){
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if (data.name === 'audio'){
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var el = "#mute_" + data.id;
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}
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else { // if (data.name === 'video')
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var el = "#pause_" + data.id;
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}
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$(el).remove();
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});
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webrtc.on('room_locked', function(data){
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$('#lockLabel').addClass('btn-danger active');
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$.notify(sprintf(locale.ROOM_LOCKED_BY_s, peers[data.id].displayName), 'info');
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});
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webrtc.on('room_unlocked', function(data){
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$('#lockLabel').removeClass('btn-danger active');
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$.notify(sprintf(locale.ROOM_UNLOCKED_BY_s, peers[data.id].displayName), 'info');
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});
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// Handle the readyToCall event: join the room
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webrtc.once('readyToCall', function () {
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webrtc.joinRoom(room);
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});
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// Handle new video stream added: someone joined the room
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webrtc.on('videoAdded', function(video,peer){
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addVideo(video,peer);
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});
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webrtc.on('localScreenAdded', function(video){
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addVideo(video);
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});
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// Handle video stream removed: someone leaved the room
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// TODO: don't trigger on local screen unshare
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webrtc.on('videoRemoved', function(video,peer){
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playSound('leave.mp3');
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var id = (peer) ? peer.id : 'local';
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id = (video.id.match(/_screen_/)) ? id + '_screen' : id;
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$("#peer_" + id).remove();
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if (mainVid === id){
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$('#mainVideo').html('');
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mainVid = false;
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}
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});
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// Error sending something through dataChannel
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webrtc.on('cantsend', function (peer, message){
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if (message.type == 'textChat') {
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var who = (peers[peer.id].hasName) ? peers[peer.id].displayName : locale.ONE_OF_THE_PEERS;
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$.notify(sprintf(locale.CANT_SEND_TO_s, who), 'error');
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}
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});
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// Handle Email Invitation
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$('#inviteEmail').submit(function(event) {
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event.preventDefault();
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var rcpt = $('#recipient').val();
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// Simple email address verification
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if (!rcpt.match(/\S+@\S+\.\S+/)){
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$.notify(locale.ERROR_MAIL_INVALID, 'error');
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return;
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}
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$.ajax({
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data: {
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action: 'invite',
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recipient: rcpt,
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room: roomName
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},
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error: function(data) {
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var msg = (data && data.msg) ? data.msg : locale.ERROR_OCCURED;
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$.notify(msg, 'error');
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},
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success: function(data) {
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$.notify(data.msg, 'success');
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$('#recipient').val('');
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}
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});
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});
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// Set your DisplayName
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$('#displayName').on('input', function() {
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// Enable chat input when you set your disaplay name
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if ($('#displayName').val() != '' && $('#chatBox').attr('disabled')){
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$('#chatBox').removeAttr('disabled');
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$('#chatBox').removeAttr('placeholder');
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peers.local.hasName = true;
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}
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// And disable it again if you remove your display name
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else if ($('#displayName').val() == ''){
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$('#chatBox').attr('disabled', true);
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$('#chatBox').attr('placeholder', locale.SET_YOUR_NAME_TO_CHAT);
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peers.local.hasName = false;
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}
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peers.local.displayName = stringEscape($('#displayName').val());
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updateDisplayName('local');
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webrtc.sendDirectlyToAll('vroom', 'setDisplayName', $('#displayName').val());
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});
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// Handle room lock/unlock
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$('#lockButton').change(function() {
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var action = ($(this).is(":checked")) ? 'lock':'unlock';
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$.ajax({
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data: {
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action: action,
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room: roomName
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},
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error: function(data) {
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var msg = (data && data.msg) ? data.msg : locale.ERROR_OCCURED;
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$.notify(msg, 'error');
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},
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success: function(data) {
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$.notify(data.msg, 'info');
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if (action === 'lock'){
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$("#lockLabel").addClass('btn-danger');
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webrtc.sendToAll('room_locked', {});
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}
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else{
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$("#lockLabel").removeClass('btn-danger');
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webrtc.sendToAll('room_unlocked', {});
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}
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}
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});
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});
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// ScreenSharing
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$('#shareScreenButton').change(function() {
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var action = ($(this).is(":checked")) ? 'share':'unshare';
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function cantShare(err){
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$.notify(err, 'error');
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return;
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}
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if (!peers.local.screenShared && action === 'share'){
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webrtc.shareScreen(function(err){
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if(err){
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if (err.name == 'EXTENSION_UNAVAILABLE'){
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var ver = 34;
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if ($.browser.linux) ver = 35;
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if ($.browser.webkit && $.browser.versionNumber >= ver)
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$('#chromeExtMessage').modal('show');
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else
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cantShare(locale.SCREEN_SHARING_ONLY_FOR_CHROME);
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}
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else if (err.name == 'PERMISSION_DENIED' || err.name == 'PermissionDeniedError'){
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cantShare(locale.SCREEN_SHARING_CANCELLED);
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}
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else
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cantShare(locale.CANT_SHARE_SCREEN + ' ' + err.name);
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$('#shareScreenLabel').removeClass('active');
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return;
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}
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else{
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$("#shareScreenLabel").addClass('btn-danger');
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peers.local.screenShared = true;
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$.notify(locale.EVERYONE_CAN_SEE_YOUR_SCREEN, 'warn');
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}
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});
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}
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else {
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webrtc.stopScreenShare();
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$("#shareScreenLabel").removeClass('btn-danger');
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$.notify(locale.SCREEN_UNSHARED, 'success');
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peers.local.screenShared = false;
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}
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});
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// Handle microphone mute/unmute
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$('#muteMicButton').change(function() {
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var action = ($(this).is(":checked")) ? 'mute':'unmute';
|
|
if (action === 'mute'){
|
|
webrtc.mute();
|
|
peers.local.micMuted = true;
|
|
showVolume($('#localVolume'), -45);
|
|
$("#muteMicLabel").addClass('btn-danger');
|
|
$.notify(locale.MIC_MUTED, 'info');
|
|
}
|
|
else{
|
|
webrtc.unmute();
|
|
peers.local.micMuted = false;
|
|
$("#muteMicLabel").removeClass('btn-danger');
|
|
$.notify(locale.MIC_UNMUTED, 'info');
|
|
}
|
|
});
|
|
|
|
// Suspend the webcam
|
|
$('#suspendCamButton').change(function() {
|
|
var action = ($(this).is(":checked")) ? 'pause':'resume';
|
|
if (action === 'pause'){
|
|
webrtc.pauseVideo();
|
|
peers.local.videoPaused = true;
|
|
$("#suspendCamLabel").addClass('btn-danger');
|
|
$.notify(locale.CAM_SUSPENDED, 'info');
|
|
}
|
|
else{
|
|
webrtc.resumeVideo();
|
|
peers.local.videoPaused = false;
|
|
$("#suspendCamLabel").removeClass('btn-danger');
|
|
$.notify(locale.CAM_RESUMED, 'info');
|
|
}
|
|
});
|
|
|
|
// Choose another color. Useful if two peers have the same
|
|
$('#changeColorButton').click(function(){
|
|
peers.local.color = chooseColor();
|
|
webrtc.sendToAll('peer_color', {color: peers.local.color});
|
|
updateDisplayName('local');
|
|
});
|
|
|
|
// Handle hangup/close window
|
|
$('#logoutButton').click(function() {
|
|
hangupCall;
|
|
window.location.assign(goodbyUrl + '/' + roomName);
|
|
});
|
|
window.onunload = window.onbeforeunload = hangupCall;
|
|
|
|
// Go fullscreen on double click
|
|
$("#webRTCVideoLocal").dblclick(function() {
|
|
fullScreen(this);
|
|
});
|
|
$("#webRTCVideoLocal").click(function() {
|
|
// If this video is already the main one, remove the main
|
|
if ($(this).hasClass('selected')){
|
|
$('#mainVideo').html('');
|
|
$(this).removeClass('selected');
|
|
mainVid = false;
|
|
}
|
|
// Else, update the main video to use this one
|
|
else{
|
|
$('#mainVideo').html($(this).clone().dblclick(function() {
|
|
fullScreen(this);
|
|
}).css('max-height', maxHeight()));
|
|
$('.selected').removeClass('selected');
|
|
$(this).addClass('selected');
|
|
mainVid = 'self';
|
|
}
|
|
});
|
|
|
|
// On click, remove the red label on the button
|
|
$('#chatDropdown').click(function (){
|
|
$('#chatDropdown').removeClass('btn-danger');
|
|
});
|
|
// The input is a textarea, trigger a submit
|
|
// when the user hit enter, unless shift is pressed
|
|
$('#chatForm').keypress(function(e) {
|
|
if (e.which == 13 && !e.shiftKey){
|
|
// Do not add \n
|
|
e.preventDefault();
|
|
$(this).trigger('submit');
|
|
}
|
|
});
|
|
|
|
// Adapt the chat input (textarea) size
|
|
$('#chatBox').on('input', function(){
|
|
var h = parseInt($(this).css('height'));
|
|
var mh = parseInt($(this).css('max-height'));
|
|
// Scrollbar, we need to add a row
|
|
if ($(this).prop("scrollHeight") > $(this).prop('clientHeight') && h < mh){
|
|
// Do a loop so that we can adapt to copy/pastes of several lines
|
|
// But do not add more than 10 rows at a time
|
|
for (var i = 0; $(this).prop("scrollHeight") > $(this).prop('clientHeight') && h < mh && i<10; i++){
|
|
$(this).prop('rows', $(this).prop('rows')+1);
|
|
}
|
|
}
|
|
// Check if we have empty lines in our textarea
|
|
// If we do, remove one row
|
|
// TODO: we should only check for the last row and don't remove a row if we have empty lines in the middle
|
|
else{
|
|
lines = $('#chatBox').val().split(/\r?\n/);
|
|
for(var i=0; i<lines.length && $(this).prop('rows')>1; i++) {
|
|
var val = lines[i].replace(/^\s+|\s+$/, '');
|
|
if (val.length == 0) {
|
|
$(this).prop('rows', $(this).prop('rows')-1);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
// Chat: send to other peers
|
|
$('#chatForm').submit(function (e){
|
|
e.preventDefault();
|
|
if ($('#chatBox').val()) {
|
|
webrtc.sendDirectlyToAll('vroom', 'textChat', $('#chatBox').val());
|
|
// Local echo of our own message
|
|
newChatMessage('local',stringEscape($('#chatBox').val()));
|
|
// reset the input box
|
|
$('#chatBox').val('').prop('rows', 1);
|
|
}
|
|
});
|
|
|
|
// Ping the room every minutes
|
|
// Used to detect inactive rooms
|
|
setInterval(function pingRoom(){
|
|
$.ajax({
|
|
data: {
|
|
action: 'ping',
|
|
room: roomName
|
|
},
|
|
error: function(data) {
|
|
var msg = (data && data.msg) ? data.msg : locale.ERROR_OCCURED;
|
|
$.notify(msg, 'error');
|
|
},
|
|
success: function(data) {
|
|
// In case of success, only notify if the server replied something
|
|
if (data.msg !== '')
|
|
$.notify(data.msg, 'success');
|
|
}
|
|
});
|
|
}, 60000);
|
|
|
|
// Preview heigh is limited to the windows heigh, minus the navbar, minus 25px
|
|
window.onresize = function (){
|
|
$('#webRTCVideo').css('max-height', maxHeight());
|
|
$('#mainVideo>video').css('max-height', maxHeight());
|
|
};
|
|
$('#webRTCVideo').css('max-height', maxHeight());
|
|
|
|
};
|
|
|