Video conf based on SimpleWebRTC https://vroom.fws.fr/documentation
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/*
This file is part of the VROOM project
released under the MIT licence
Copyright 2014 Firewall Services
*/
// Default notifications
$.notify.defaults( { globalPosition: "bottom left" } );
// Enable tooltip on required elements
$('.help').tooltip({container: 'body'});
// Strings we need translated
var locale = {
ERROR_MAIL_INVALID: '',
ERROR_OCCURED: '',
CANT_SHARE_SCREEN: '',
SCREEN_SHARING_ONLY_FOR_CHROME: '',
SCREEN_SHARING_CANCELLED: '',
EVERYONE_CAN_SEE_YOUR_SCREEN: '',
SCREEN_UNSHARED: '',
MIC_MUTED: '',
MIC_UNMUTED: '',
CAM_SUSPENDED: '',
CAM_RESUMED: '',
SET_YOUR_NAME_TO_CHAT: '',
ONE_OF_THE_PEERS: '',
PASSWORD_PROTECT_ON_BY_s: '',
PASSWORD_PROTECT_OFF_BY_s: '',
OWNER_PASSWORD_CHANGED_BY_s: '',
OWNER_PASSWORD_REMOVED_BY_s: '',
CANT_SEND_TO_s: '',
SCREEN_s: '',
TO_INVITE_SHARE_THIS_URL: ''
};
// Localize the strings we need
$.ajax({
url: rootUrl + 'localize',
type: 'POST',
dataType: 'json',
data: {
strings: JSON.stringify(locale),
},
success: function(data) {
locale = data;
}
});
// Popup with the URL to share
function inviteUrlPopup(){
window.prompt(locale.TO_INVITE_SHARE_THIS_URL, window.location.href);
return false;
}
// set the height of the thumbnails so they are always equals
function setPanelHeight() {
$(".panel").height(Math.max.apply(null, $(".panel").map(function() { return $(this).height(); })));
}
setTimeout(function(){
setPanelHeight();
}, 50);
// Resize a few element on window resize
window.onresize = function (){
$('#webRTCVideo').css('max-height', maxHeight());
$('#mainVideo>video').css('max-height', maxHeight());
setPanelHeight();
};
function initVroom(room) {
var peers = {
local: {
screenShared: false,
micMuted: false,
videoPaused: false,
displayName: '',
color: chooseColor(),
role: 'participant'
}
};
var mainVid = false,
chatHistory = {},
chatIndex = 0;
$('#name_local').css('background-color', peers.local.color);
$.ajaxSetup({
url: rootUrl + 'action',
type: 'POST',
dataType: 'json',
});
// Screen sharing is only suported on chrome > 26
if ( !$.browser.webkit || $.browser.versionNumber < 26 ) {
$("#shareScreenLabel").addClass('disabled');
}
// If browser doesn't support webRTC or dataChannels
if (!webrtc.capabilities.support || !webrtc.capabilities.dataChannel){
$('#noWebrtcSupport').modal('show');
}
// Escape entities
function stringEscape(string){
string = string.replace(/[\u00A0-\u99999<>\&]/gim, function(i) {
return '&#' + i.charCodeAt(0) + ';';
});
return string;
}
// Update our role
function updateRole() {
$.ajax({
data: {
action: 'getRole',
room: roomName
},
error: function(data) {
$.notify(locale.ERROR_OCCURED, 'error');
},
success: function(data) {
peers.local.role = data.role;
// Enable owner reserved menu
if (data.role == 'owner'){
$('.unauthEl').hide(500);
$('.ownerEl').show(500);
}
else{
$('.ownerEl').hide(500);
if (data.auth == 'yes'){
$('.unauthEl').show(500);
}
}
}
});
}
// Select a color (randomly) from this list, used for text chat
function chooseColor(){
// Shamelessly taken from http://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/
var colors = [
'#B1C7FD', '#DDFDB1', '#FDB1F3', '#B1FDF0', '#FDDAB1', '#C4B1FD', '#B4FDB1', '#FDB1CA',
'#B1E1FD', '#F7FDB1', '#EDB1FD', '#B1FDD7', '#FDC1B1', '#B1B7FD', '#CEFDB1', '#FDB1E4',
'#B1FAFD', '#FDEAB1', '#D4B1FD', '#B1FDBD', '#FDB1BB', '#B1D1FD', '#E7FDB1', '#FDB1FD',
'#B1FDE7', '#B1FDE7'
];
return colors[Math.floor(Math.random() * colors.length)];
}
// Just play a sound
function playSound(sound){
var audio = new Audio('/snd/'+sound);
audio.play();
}
// Request full screen
function fullScreen(el){
if (el.requestFullScreen)
el.requestFullScreen();
else if (el.webkitRequestFullScreen)
el.webkitRequestFullScreen();
else if (el.mozRequestFullScreen)
el.mozRequestFullScreen();
}
// get max height for the main video and the preview div
function maxHeight(){
// Which is the window height, minus toolbar, and a margin of 25px
return $(window).height()-$('#toolbar').height()-25;
}
// Logout
function hangupCall(){
webrtc.connection.disconnect();
}
// Handle a new video (either another peer, or a screen
// including our own local screen
function addVideo(video,peer){
playSound('join.mp3');
// The main div of this new video
// will contain the video plus all other info like displayName, overlay and volume bar
var div = $('<div></div>').addClass('col-xs-6 col-sm-12 col-lg-6 previewContainer').append(video).appendTo("#webRTCVideo");
// Peer isn't defined ? it's our own local screen
var id;
if (!peer){
id = 'local';
$('<div></div>').addClass('displayName').attr('id', 'name_local_screen').appendTo(div);
updateDisplayName(id);
}
// video id contains screen ? it's a peer sharing it's screen
else if (video.id.match(/screen/)){
id = peer.id + '_screen';
var peer_id = video.id.replace('_screen_incoming', '');
$('<div></div>').addClass('displayName').attr('id', 'name_' + peer_id + '_screen').appendTo(div);
updateDisplayName(peer_id);
}
// It's the webcam of a peer
// add the volume bar and the mute/pause overlay
else{
id = peer.id;
// Create 3 divs which will contains the volume bar, the displayName and the muted/paused el (overlay)
$('<div></div>').addClass('volumeBar').attr('id', 'volume_' + id).appendTo(div);
$('<div></div>').addClass('displayName').attr('id', 'name_' + id).appendTo(div);
$('<div></div>').attr('id', 'overlay_' + id).appendTo(div);
// Create a new dataChannel
// will be used for text chat and displayName
var color = chooseColor();
peers[peer.id] = {
displayName: peer.id,
color: color,
dc: peer.getDataChannel('vroom'),
obj: peer
};
// Send our info to this peer (displayName/color)
// but wait a bit so the "vroom" dataChannel acreated earlier is fully setup (or have more chances to be)
// before we send
setTimeout(function(){
if ($('#displayName').val() !== '') {
peer.sendDirectly('vroom','setDisplayName', $('#displayName').val());
}
peer.send('peer_color', {color: peers.local.color});
// We don't have chat history yet ? Lets ask to this new peer
if(!peers.local.hasHistory && chatIndex == 0){
peer.sendDirectly('vroom', 'getHistory', '');
}
}, 3500);
}
$(div).attr('id', 'peer_' + id);
// Disable context menu on the video
$(video).bind("contextmenu", function(){
return false;
});
// And go full screen on double click
// TODO: also handle double tap
$(video).dblclick(function() {
fullScreen(this);
});
// Simple click put this preview in the mainVideo div
$(video).click(function() {
// This video was in the mainVideo div ? lets remove it
if ($(this).hasClass('selected')){
$(this).removeClass('selected');
$('#mainVideo').html('');
}
else {
$('#mainVideo').html($(video).clone().dblclick(function() {
fullScreen(this);
}).css('max-height', maxHeight()).bind("contextmenu", function(){ return false; }));
$('.selected').removeClass('selected');
$(this).addClass('selected');
mainVid = id;
}
});
}
// Update volume of the corresponding peer
function showVolume(el, volume) {
if (!el){
return;
}
if (volume < -45) { // vary between -45 and -20
el.css('height', '0px');
}
else if (volume > -20) {
el.css('height', '100%');
}
else {
el.css('height', Math.floor((volume + 100) * 100 / 25 - 220) + '%');
}
}
// Return curren time formatted as XX:XX:XX
function getTime(){
var d = new Date();
var hours = d.getHours().toString(),
minutes = d.getMinutes().toString(),
seconds = d.getSeconds().toString();
hours = (hours.length < 2) ? '0' + hours:hours;
minutes = (minutes.length < 2) ? '0' + minutes:minutes;
seconds = (seconds.length < 2) ? '0' + seconds:seconds;
return hours + ':' + minutes + ':' + seconds;
}
// Linkify urls
// Taken from http://rickyrosario.com/blog/converting-a-url-into-a-link-in-javascript-linkify-function/
function linkify(text){
if (text) {
text = text.replace(
/((https?\:\/\/)|(www\.))(\S+)(\w{2,4})(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/gi,
function(url){
var full_url = url;
if (!full_url.match('^https?:\/\/')) {
full_url = 'http://' + full_url;
}
return '<a href="' + full_url + '" target="_blank">' + url + '</a>';
}
);
}
return text;
}
// Add a new message to the chat history
function newChatMessage(from,message,time,color){
// displayName has already been escaped
var cl = (from === 'local') ? 'chatMsgSelf':'chatMsgOthers';
if (!time || !time.match(/^\d{1,2}:\d{1,2}:\d{1,2}$/)){
time = getTime();
}
if (peers[from] && peers[from].color){
var color = peers[from].color;
var displayName = peers[from].displayName;
}
// this peer might not be defined if we're importing chat history
// So just use the from as the displayName and the provided color
else{
var color = (color && color.match(/#[\da-f]{6}/i)) ? color:chooseColor();
var displayName = from;
}
var newmsg = $('<div class="chatMsg ' + cl + '">' + time + ' ' + stringEscape(displayName) + '<p>' + linkify(stringEscape(message)) + '</p></div>').css('background-color', color);
$('<div class="row chatMsgContainer"></div>').append(newmsg).appendTo('#chatHistory');
$('#chatHistory').scrollTop($('#chatHistory').prop('scrollHeight'));
// Record this message in the history object
// so we can send it to other peers asking for it
chatHistory[chatIndex] = {
time: time,
from: displayName,
color: color,
message: message
}
chatIndex++;
}
// Update the displayName of the peer
// and its screen if any
function updateDisplayName(id){
// We might receive the screen before the peer itself
// so check if the object exists before using it, or fallback with empty values
var display = (peers[id] && peers[id].hasName) ? stringEscape(peers[id].displayName) : '';
var color = (peers[id] && peers[id].color) ? peers[id].color : chooseColor();
var screenName = (peers[id] && peers[id].hasName) ? sprintf(locale.SCREEN_s, stringEscape(peers[id].displayName)) : '';
$('#name_' + id).html(display).css('background-color', color);
$('#name_' + id + '_screen').html(screenName).css('background-color', color);
}
// Save content to a file
function downloadContent(filename, content){
var blob = new Blob([content], {type: "text/html;charset=utf-8"});
saveAs(blob, filename);
}
// Handle volume changes from our own mic
webrtc.on('volumeChange', function (volume, treshold) {
if (peers.local.micMuted) {
return;
}
showVolume($('#localVolume'), volume);
});
// Handle dataChannel messages (incoming)
webrtc.on('channelMessage', function (peer, label, data){
// Handle volume changes from remote peers
if (data.type == 'volume'){
showVolume($('#volume_' + peer.id), data.volume);
}
// We only want to act on data receive from the vroom channel
if (label !== 'vroom'){
return;
}
// The peer sets a displayName, record this in our peers struct
else if (data.type == 'setDisplayName'){
var name = data.payload;
peer.logger.log('Received displayName ' + stringEscape(name) + ' from peer ' + peer.id);
// Set display name under the video
peers[peer.id].displayName = name;
if (name !== ''){
peers[peer.id].hasName = true;
}
else {
peers[peer.id].hasName = false;
}
updateDisplayName(peer.id);
}
// This peer asked for our chat history, lets send him
else if (data.type == 'getHistory'){
peer.sendDirectly('vroom', 'chatHistory', JSON.stringify(chatHistory));
}
// This peer is sending our chat history (and we don't have it yet)
else if (data.type == 'chatHistory' && !peers.local.hasHistory){
peers.local.hasHistory = true;
var history = JSON.parse(data.payload);
for (var i = 0; i < Object.keys(history).length; i++){
newChatMessage(history[i].from,history[i].message,history[i].time,history[i].color);
}
}
// One peer just sent a text chat message
else if (data.type == 'textChat'){
if ($('#chatDropdown').hasClass('collapsed')){
$('#chatDropdown').addClass('btn-danger');
playSound('newmsg.mp3');
}
newChatMessage(peer.id,data.payload);
}
});
webrtc.on('peer_color', function(data){
var color = data.payload.color;
if (!color.match(/#[\da-f]{6}/i)){
return;
}
peers[data.id].color = color;
$('#name_' + data.id).css('background-color', color);
$('#name_' + data.id + '_screen').css('background-color', color);
// Update the displayName but only if it has been set (no need to display a cryptic peer ID)
if (peers[data.id].hasName){
updateDisplayName(data.id);
}
});
// Received when a peer mute his mic, or pause the video
webrtc.on('mute', function(data){
if (data.name === 'audio'){
showVolume($('#volume_' + data.id), -46);
var div = 'mute_' + data.id,
cl = 'muted';
}
else if (data.name === 'video'){
var div = 'pause_' + data.id,
cl = 'paused';
}
else{
return;
}
$("#overlay_" + data.id).append('<div id="' + div + '" class="' + cl + '"></div>');
});
// Handle unmute/resume
webrtc.on('unmute', function(data){
if (data.name === 'audio'){
var el = "#mute_" + data.id;
}
else { // if (data.name === 'video')
var el = "#pause_" + data.id;
}
$(el).remove();
});
// A few notif on password set/unset
webrtc.on('password_protect_on', function(data){
$.notify(sprintf(locale.PASSWORD_PROTECT_ON_BY_s, stringEscape(peers[data.id].displayName)), 'info');
});
webrtc.on('password_protect_off', function(data){
$.notify(sprintf(locale.PASSWORD_PROTECT_OFF_BY_s, stringEscape(peers[data.id].displayName)), 'info');
});
webrtc.on('owner_password_changed', function(data){
if (peers.local.role == 'owner'){
$.notify(sprintf(locale.OWNER_PASSWORD_CHANGED_BY_s, stringEscape(peers[data.id].displayName)), 'warn');
}
else{
updateRole();
}
});
webrtc.on('owner_password_removed', function(data){
if (peers.local.role == 'owner'){
$.notify(sprintf(locale.OWNER_PASSWORD_REMOVED_BY_s, stringEscape(peers[data.id].displayName)), 'warn');
}
else{
updateRole();
}
});
// Handle the readyToCall event: join the room
webrtc.once('readyToCall', function () {
webrtc.joinRoom(room);
});
// Handle new video stream added: someone joined the room
webrtc.on('videoAdded', function(video,peer){
addVideo(video,peer);
});
webrtc.on('localScreenAdded', function(video){
addVideo(video);
});
// Handle video stream removed: someone leaved the room
// TODO: don't trigger on local screen unshare
webrtc.on('videoRemoved', function(video,peer){
playSound('leave.mp3');
var id = (peer) ? peer.id : 'local';
id = (video.id.match(/_screen_/)) ? id + '_screen' : id;
$("#peer_" + id).remove();
if (mainVid === id){
$('#mainVideo').html('');
mainVid = false;
}
});
// Error sending something through dataChannel
webrtc.on('cantsend', function (peer, message){
if (message.type == 'textChat'){
var who = (peers[peer.id].hasName) ? stringEscape(peers[peer.id].displayName) : locale.ONE_OF_THE_PEERS;
$.notify(sprintf(locale.CANT_SEND_TO_s, who), 'error');
}
});
// Do not close the dropdown menu when filling the email recipient
// and in other dropdown menus
$(".dropdown-menu").on("click", "li", function(e){
e.stopPropagation();
});
// Handle Email Invitation
$('#inviteEmail').submit(function(event) {
event.preventDefault();
var rcpt = $('#recipient').val();
// Simple email address verification
if (!rcpt.match(/\S+@\S+\.\S+/)){
$.notify(locale.ERROR_MAIL_INVALID, 'error');
return;
}
$.ajax({
data: {
action: 'invite',
recipient: rcpt,
room: roomName
},
error: function(data) {
var msg = (data && data.msg) ? data.msg : locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$.notify(data.msg, 'success');
$('#recipient').val('');
}
});
});
// Set your DisplayName
$('#displayName').on('input', function() {
// Enable chat input when you set your disaplay name
if ($('#displayName').val() != '' && $('#chatBox').attr('disabled')){
$('#chatBox').removeAttr('disabled');
$('#chatBox').removeAttr('placeholder');
peers.local.hasName = true;
}
// And disable it again if you remove your display name
else if ($('#displayName').val() == ''){
$('#chatBox').attr('disabled', true);
$('#chatBox').attr('placeholder', locale.SET_YOUR_NAME_TO_CHAT);
peers.local.hasName = false;
}
peers.local.displayName = $('#displayName').val();
updateDisplayName('local');
webrtc.sendDirectlyToAll('vroom', 'setDisplayName', $('#displayName').val());
});
// ScreenSharing
$('#shareScreenButton').change(function() {
var action = ($(this).is(":checked")) ? 'share':'unshare';
function cantShare(err){
$.notify(err, 'error');
return;
}
if (!peers.local.screenShared && action === 'share'){
webrtc.shareScreen(function(err){
if(err){
if (err.name == 'EXTENSION_UNAVAILABLE'){
var ver = 34;
if ($.browser.linux) ver = 35;
if ($.browser.webkit && $.browser.versionNumber >= ver)
$('#chromeExtMessage').modal('show');
else
cantShare(locale.SCREEN_SHARING_ONLY_FOR_CHROME);
}
else if (err.name == 'PERMISSION_DENIED' || err.name == 'PermissionDeniedError'){
cantShare(locale.SCREEN_SHARING_CANCELLED);
}
else{
cantShare(locale.CANT_SHARE_SCREEN);
}
$('#shareScreenLabel').removeClass('active');
return;
}
else{
$("#shareScreenLabel").addClass('btn-danger');
peers.local.screenShared = true;
$.notify(locale.EVERYONE_CAN_SEE_YOUR_SCREEN, 'warn');
}
});
}
else{
webrtc.stopScreenShare();
$("#shareScreenLabel").removeClass('btn-danger');
$.notify(locale.SCREEN_UNSHARED, 'success');
peers.local.screenShared = false;
}
});
// Handle microphone mute/unmute
$('#muteMicButton').change(function() {
var action = ($(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');
}
});
// Handle auth
$('#authPass').on('input', function() {
if ($('#authPass').val() == ''){
$('#authPassButton').addClass('disabled');
}
else{
$('#authPassButton').removeClass('disabled');
}
});
$('#authForm').submit(function(event) {
event.preventDefault();
var pass = $('#authPass').val();
$.ajax({
data: {
action: 'authenticate',
password: pass,
room: roomName
},
error: function(data) {
var msg = locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$('#authPass').val('');
if (data.status == 'success'){
updateRole();
$.notify(data.msg, 'success');
}
else{
$.notify(data.msg, 'error');
}
// Close the auth menu
$('#authMenu').dropdown('toggle');
}
});
});
$('#joinPass').on('input', function() {
if ($('#joinPass').val() == ''){
$('#setJoinPassButton').addClass('disabled');
}
else{
$('#setJoinPassButton').removeClass('disabled');
}
});
// Join password protection
$('#setJoinPassButton').click(function(event) {
var pass = $('#joinPass').val();
$('#joinPass').val('');
$('#setJoinPassButton').addClass('disabled');
$.ajax({
data: {
action: 'setPassword',
password: pass,
type: 'join',
room: roomName
},
error: function() {
var msg = locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$('#joinPass').val('');
if (data.status == 'success'){
$.notify(data.msg, 'success');
webrtc.sendToAll('password_protect_on', {});
}
else{
$.notify(data.msg, 'error');
}
}
});
});
// Remove password protection
$('#removeJoinPassButton').click(function(event) {
$.ajax({
data: {
action: 'setPassword',
type: 'join',
room: roomName
},
error: function() {
var msg = locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$('#joinPass').val('');
if (data.status == 'success'){
$.notify(data.msg, 'success');
webrtc.sendToAll('password_protect_off', {});
}
else{
$.notify(data.msg, 'error');
}
}
});
});
$('#ownerPass').on('input', function() {
if ($('#ownerPass').val() == ''){
$('#setOwnerPassButton').addClass('disabled');
}
else{
$('#setOwnerPassButton').removeClass('disabled');
}
});
// Set owner password
$('#setOwnerPassButton').click(function(event) {
var pass = $('#ownerPass').val();
$('#ownerPass').val('');
$('#setOwnerPassButton').addClass('disabled');
$.ajax({
data: {
action: 'setPassword',
password: pass,
type: 'owner',
room: roomName
},
error: function() {
var msg = locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$('#ownerPass').val('');
if (data.status == 'success'){
$.notify(data.msg, 'success');
webrtc.sendToAll('owner_password_changed', {});
}
else{
$.notify(data.msg, 'error');
}
}
});
});
// Remove the owner password
$('#removeOwnerPassButton').click(function(event) {
$.ajax({
data: {
action: 'setPassword',
type: 'owner',
room: roomName
},
error: function() {
var msg = locale.ERROR_OCCURED;
$.notify(msg, 'error');
},
success: function(data) {
$('#ownerPass').val('');
if (data.status == 'success'){
$.notify(data.msg, 'success');
webrtc.sendToAll('owner_password_removed', {});
}
else{
$.notify(data.msg, 'error');
}
}
});
});
// 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');
});
$('#saveChat').click(function(){
downloadContent('VROOM Tchat (' + room + ').html', $('#chatHistory').html());
});
// Handle hangup/close window
$('#logoutButton').click(function() {
hangupCall;
window.location.assign(rootUrl + 'goodby/' + 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', $('#chatBox').val());
// Local echo of our own message
newChatMessage('local',$('#chatBox').val());
// reset the input box
$('#chatBox').val('').prop('rows', 1);
}
});
// Check if we are the owner of the room
updateRole();
// 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
$('#webRTCVideo').css('max-height', maxHeight());
};