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rtc-controller_1.js
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232 lines (201 loc) · 6.87 KB
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(function(){
var CONTROLLER = window.CONTROLLER = function(phone, stream){
if (!window.phone) window.phone = phone;
var ctrlChan = controlChannel(phone.number());
var isStream = stream || false;
var pubnub = phone.pubnub;
var userArray = [];
subscribe();
var CONTROLLER = function(){};
// Get the control version of a users channel
function controlChannel(number){
return number + "-ctrl";
}
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
// Setup Phone and Session callbacks.
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
var readycb = function(session){};
var messagecb = function(session){};
var videotogglecb = function(session, isEnabled){};
var audiotogglecb = function(session, isEnabled){};
CONTROLLER.ready = function(cb) { readycb = cb };
CONTROLLER.message = function(cb) { messagecb = cb };
CONTROLLER.videoToggled = function(cb) { videotogglecb = cb };
CONTROLLER.audioToggled = function(cb) { audiotogglecb = cb };
phone.ready(function(){ readycb() });
phone.receive(function(session){
CONTROLLER.manageUsers(session);
receivecb(session);
});
// Require some boolean form of authentication to accept a call
CONTROLLER.postAuth = function(session, auth, cb){
auth(acceptCall(session, cb), session);
}
function acceptCall(session, cb){ // Return function bound to session that needs a boolean.
return function(accept) {
if (accept) cb(session);
else phone.hangup(session.number);
}
}
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
// Setup broadcasting, your screen to all.
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
CONTROLLER.broadcast = function(vid){
var video = document.createElement('video');
video.src = URL.createObjectURL(phone.mystream);
video.volume = 0.0;
video.play();
vid.innerHTML=""
vid.appendChild(video);
vid.style.cssText = "-moz-transform: scale(-1, 1); \
-webkit-transform: scale(-1, 1); -o-transform: scale(-1, 1); \
transform: scale(-1, 1); filter: FlipH;";
};
// Give it a div and it will set up the thumbnail image
CONTROLLER.registerThumbnailHolder = function(thumbnailHolder){
CONTROLLER.broadcast(thumbnailHolder);
};
CONTROLLER.dial = function(number){ // Authenticate here??
var session = phone.dial(number, get_xirsys_servers()); // Dial Number
if (!session) return; // No Duplicate Dialing Allowed
};
CONTROLLER.hangup = function(number){
if (number) {
phone.hangup(number);
return publishCtrl(controlChannel(number), "userLeave", phone.number())
}
phone.hangup();
for (var i=0; i < userArray.length; i++) {
var cChan = controlChannel(userArray[i].number);
publishCtrl(cChan, "userLeave", phone.number());
}
};
CONTROLLER.toggleAudio = function(){
var audio = false;
var audioTracks = window.phone.mystream.getAudioTracks();
for (var i = 0, l = audioTracks.length; i < l; i++) {
audioTracks[i].enabled = !audioTracks[i].enabled;
audio = audioTracks[i].enabled;
}
publishCtrlAll("userAudio", {user : phone.number(), audio:audio}); // Stream false if paused
return audio;
};
CONTROLLER.toggleVideo = function(){
var video = false;
var videoTracks = window.phone.mystream.getVideoTracks();
for (var i = 0, l = videoTracks.length; i < l; i++) {
videoTracks[i].enabled = !videoTracks[i].enabled;
video = videoTracks[i].enabled;
}
phone.send({type: "ctrl-userVideo", data: {user : phone.number(), video:video}); // Stream false if paused
return video;
};
CONTROLLER.isOnline = function(number, cb){
pubnub.here_now({
channel : number,
callback : function(m){
console.log(m); // TODO Comment out
cb(m.occupancy != 0);
}
});
};
CONTROLLER.manageUsers = function(session){
if (session.number == phone.number()) return; // Do nothing if it is self.
console.log(phone.number());
console.log(session.number);
var idx = findWithAttr(userArray, "number", session.number); // Find session by number
if (session.closed){
if (idx != -1) userArray.splice(idx, 1)[0]; // User leaving
} else { // New User added to stream/group
if (idx == -1) { // Tell everyone in array of new user first, then add to array.
if (!isStream) {
publishCtrlAll("userJoin", session.number);
}
userArray.push(session);
}
}
userArray = userArray.filter(function(s){ return !s.closed; }); // Clean to only open talks
console.log(userArray);
}
function addToGroupChat(number){
var session = phone.dial(number, get_xirsys_servers()); // Dial Number
if (!session) return; // No Dupelicate Dialing Allowed
}
function publishCtrlAll(type, data){
for (var i=0; i < userArray.length; i++) {
var cChan = controlChannel(userArray[i].number);
publishCtrl(cChan, type, data);
}
}
function publishCtrl(ch, type, data){
console.log("Pub to " + ch);
var msg = {type: type, data: data};
pubnub.publish({
channel: ch,
message: msg,
callback : function(m){console.log(m)}
});
}
function subscribe(){
pubnub.subscribe({
channel : ctrlChan,
message : receive,
connect : function() { console.log("Subscribed to " + ctrlChan); }
});
}
phone.message(function(m){
switch(m.type) {
case "ctrl-userJoin":
return addToGroupChat(m.data);
case "ctrl-userLeave":
var idx = findWithAttr(userArray, "number", m.data);
if (idx != -1) userArray.splice(idx, 1)[0];
return;
case "ctrl-userVideo":
var idx = findWithAttr(userArray, "number", m.data.user);
var vidEnabled = m.data.video;
if (idx != -1) videotogglecb(userArray[idx], vidEnabled);
return;
case "ctrl-userAudio":
var idx = findWithAttr(userArray, "number", m.data.user);
var audEnabled = m.data.audio;
if (idx != -1) audiotogglecb(userArray[idx], audEnabled);
return;
}
console.log(m);
console.log(userArray);
})
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
return CONTROLLER;
}
})();
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
// Request fresh TURN servers from XirSys
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
function get_xirsys_servers() {
var servers;
$.ajax({
type: 'POST',
url: 'https://api.xirsys.com/getIceServers',
data: {
room: 'default',
application: 'default',
domain: 'www.pubnub-example.com',
ident: 'pubnub',
secret: 'dec77661-9b0e-4b19-90d7-3bc3877e64ce',
},
success: function(res) {
res = JSON.parse(res);
if (!res.e) servers = res.d.iceServers;
},
async: false
});
return servers;
}