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index.html
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<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
xmlns:og="http://ogp.me/ns#"
xmlns:fb="http://www.facebook.com/2008/fbml"
itemscope itemtype="http://schema.org/WebPage">
<head>
<meta charset="utf-16">
<title>coworking</title>
<meta name="description" content="">
<meta name="keywords" content="">
<meta property="og:type" content="website">
<meta property="og:title" content="">
<meta property="og:description" content="">
<meta property="og:url" content="">
<meta property="og:image" content="">
<meta property="og:site_name" content="">
<meta name="git:tag" content="@@tag">
<meta name="git:rev" content="@@rev">
<meta name="git:date" content="@@date">
<meta name="viewport" content="width=600">
<meta name="apple-mobile-web-app-capable" content="no">
<meta name="mobile-web-app-capable" content="yes">
<link href='//fonts.googleapis.com/css?family=Lobster' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="app.css">
</head>
<body>
<div id="app">
<section id="users"><video id="myvideo" autoplay="true"></video><img id="mypic" /></section>
<div id="chatcontainer"><div><div id="chatbox"></div></div></div>
<div id="controls">
<textarea id="msg" placeholder="Chat message"></textarea>
</div>
</div>
<canvas id="photo" style="display: none;" width="160" height="120"></canvas>
<audio id="alert" src="beepbeep.mp3" style="display: none;"></audio>
<script type="text/javascript" src="//cdn.temasys.com.sg/skylink/skylinkjs/latest/skylink.complete.js"></script>
<script type="text/javascript" src="helpers.js"></script>
<script type="text/javascript">
var skylink = new Skylink(),
$video = document.getElementById('myvideo'),
$pic = document.getElementById('mypic'),
$users = document.getElementById('users'),
$msg = document.getElementById('msg'),
$chatcontainer = document.getElementById('chatcontainer').children[0];
$chatbox = document.getElementById('chatbox'),
$photo = document.getElementById('photo'),
$alert = document.getElementById('alert'),
user = {},
peer_pics = {},
peer_audios = [],
audioTimeouts = {},
last_pic = null,
capture_timeout = null,
click_timeout = null,
online = false,
focussed = true,
mediaOK = null,
muted = false,
hash = location.hash.substr(1).replace('_','-'),
room = location.hash.length > 1 ? location.hash : 'the public hallway';
skylink.setLogLevel(skylink.LOG_LEVEL.DEBUG);
skylink.setDebugMode(true);
skylink.on('incomingStream', function (peerId, stream, isSelf) {
if(isSelf) {
//attachMediaStream($video, stream);
$video.volume = 0;
//$video.muted = 0;
}
else {
var $audio = document.createElement('audio');
$audio.id = "audio_" + peerId;
$audio.autoplay = true;
$audio.volume = focussed ? 1 : 0.15;
$users.appendChild($audio);
attachMediaStream($audio, stream);
peer_audios.push($audio);
}
});
skylink.on('incomingMessage', function (message, peerId, peerInfo, isSelf) {
if(message.content.substr(0,1) === '/') {
var msg = message.content.substr(1);
if(msg === 'hail') {
$alert.play();
var $img = document.getElementById("img_" + peerId);
$img.className = "hailing";
setTimeout(function () {
$img.className = "";
}, 5000);
if(!isSelf) {
addMessage('hailed you', 'action', peerId);
}
}
else if(msg.substr(0,8) === 'getaroom') {
var roomPeerId = msg.substr(9);
var name = isSelf ? skylink.getPeerInfo(roomPeerId).userData.name : peerInfo.userData.name;
addMessage('<a href="https://getaroom.io/' + roomPeerId + '" target="_blank">Get an audio/video meeting room with ' + name + '</a>',
'action', isSelf ? roomPeerId : peerId);
}
}
else {
addMessage(message.content, "message", peerId, isSelf);
}
});
skylink.on('dataTransferState', function (state, transferId, peerId, transferInfo, error) {
if(state === skylink.DATA_TRANSFER_STATE.UPLOAD_REQUEST) {
skylink.respondBlobRequest(peerId, transferId, true);
console.log("Incoming Request from " + peerId);
}
else if(state === skylink.DATA_TRANSFER_STATE.DOWNLOAD_COMPLETED) {
console.log("Download completed from " + peerId);
var $img = document.getElementById("img_" + peerId);
blob2dataURL(transferInfo.data, function(data) {
peer_pics[peerId] = data;
$img.src = data;
});
}
else if(error && error.message) {
console.log(error.message);
}
});
skylink.on('mediaAccessSuccess', function (stream) {
attachMediaStream($video, stream);
if(!user.name) {
capture_timeout = setTimeout(capture, 2000);
addMessage("Thanks. May I now know your name?", 'bot');
$msg.select();
mediaOK = true;
}
});
skylink.on('mediaAccessError', function (stream) {
addMessage("If you don't want to share your camera and microphone, I'll make you a bot like me. Can I have your name tho?", 'bot');
$msg.select();
mediaOK = false;
});
skylink.on('peerJoined', function (peerId, peerInfo, isSelf) {
if(isSelf) {
online = true;
skylink.setUserData(user);
replay();
if(mediaOK === false) {
$pic.src = last_pic = "https://robohash.org/" + peerId;
$pic.style.display = "inline";
}
addMessage('Welcome to ' + room + ', ' + user.name + '.', 'bot');
}
else {
var info = skylink.getPeerInfo(peerId);
var $img = addUserImage(peerId, info.userData.name);
$img.src = peer_pics[peerId] = "https://robohash.org/" + peerId;
addMessage('is in ' + room, 'action', peerId, false);
}
});
skylink.on('peerLeft', function (peerId, peerInfo, isSelf) {
if(isSelf) {
online = false;
addMessage('Bye', 'bot');
}
else {
var $img = document.getElementById("img_" + peerId);
var $span = document.getElementById("span_" + peerId);
var $audio = document.getElementById("audio_" + peerId);
$users.removeChild($img);
$users.removeChild($span);
$users.removeChild($audio);
addMessage('left ' + room, 'action', peerId, false);
}
});
skylink.init({
apiKey: 'c2f6af30-3589-46e6-adea-bd4ebac8b671',
defaultRoom: hash
}, function() {
skylink.getUserMedia({
video: true,
audio: false
});
addMessage("Hey. welcome to the coworking space. Please share your camera and microphone above so I can see you. <br/><br/> The coworking office is a hangout for remote workers to collaborate. It's an audio live-chat where you can see each other through pictures that update every 5 seconds. Additionally there are a few more things you can do: <ul><li>Your picture will blur to give you a little privacy if you're not actively following this browser tab or your window is inactive</li><li>/mute and /unmute do what you'd expect to your audio and give you more privacy. It'll convert your picture into grayscale to indicate to others you're muted.</li><li>Click on somebodies picture to hail that person</li><li>Type /hail to alert everybody in the office</li><li>Double-click somebodies picture to invite that person into a real-time audio/video meeting room</li><li>Type /clear to empty your local chat history</li><li>Try '/share coffee' or other keywords to post random pictures of Flickr</li><li>The chat supports <a href='https://help.github.com/articles/github-flavored-markdown/' target='_blank'>Github flavored markdown</a></li><li>Join a room by typing /join roomname</li></ul>The coworking office uses WebRTC with <a href='http://temasys.github.io' target='_blank'>Skylink</a> and we don't record pictures or messages. They are send peer-to-peer directly to the other coworkers. This is a public space, so please be respectful to others.<br/><br/><b>You're entering " + room + ".</b>", 'bot');
});
function addUserImage(peerId, name) {
var $img = document.createElement('img');
$img.id = "img_" + peerId;
$users.appendChild($img);
var $span = document.createElement('span');
$span.id = "span_" + peerId;
$span.textContent = name;
$span.onclick = function() {
clearTimeout(click_timeout);
var hail = function() {
skylink.sendMessage('/hail', peerId);
$img.className = "hailing";
setTimeout(function () {
$img.className = "";
}, 5000);
console.log("Hailing " + peerId);
}
click_timeout = setTimeout(hail, 400);
return false
}
$span.ondblclick = function () {
clearTimeout(click_timeout);
skylink.sendMessage('/getaroom ' + peerId, peerId);
console.log("Get a room invite to " + peerId);
return false;
}
$users.appendChild($span);
return $img;
}
function addMessage(message, className, peerId, isSelf) {
var id = (new Date()).getTime();
var $div = document.createElement('div');
$div.className = className + (isSelf ? 'isself': '');
$div.id = 'msg_' + id;
var $img = document.createElement('img');
if(className === 'bot') {
$img.src = 'bot.png';
}
else {
$img.src = isSelf ? last_pic : peer_pics[peerId];
}
if($img.src) {
$div.appendChild($img);
}
var $span_name = document.createElement('span');
$span_name.className = "name";
$span_name.textContent = className === 'bot' ? "Bot" : skylink.getPeerInfo(peerId).userData.name;
$div.appendChild($span_name);
var $span = document.createElement('span');
if(className === 'action') {
$span.innerHTML = message;
}
else {
$span.innerHTML = marked(message);
}
$div.appendChild($span);
if(className !== 'bot') {
localStorage[hash + '_' + id] = $div.outerHTML;
}
$chatbox.appendChild($div);
$chatcontainer.scrollTop = $chatcontainer.scrollHeight;
}
function replay() {
for(var i = 0, len = localStorage.length; i < len; i++) {
var key = localStorage.key(i),
arr = key.split('_');
if(arr.length === 2 && arr[0] === hash && arr[1] > (new Date()).getTime() - 1000 * 60 * 60 * 24 * 5) {
var $div = document.createElement('div');
$div.innerHTML = localStorage[key];
$chatbox.appendChild($div.children[0]);
}
}
$chatcontainer.scrollTop = $chatcontainer.scrollHeight;
}
function capture() {
if(mediaOK !== true) {
return;
}
clearTimeout(capture_timeout);
var ctx = $photo.getContext("2d");
ctx.drawImage($video, 0, 0, 160, 120);
if(!focussed) {
stackBlurCanvasRGB(ctx, 0, 0, 160, 120, 35);
}
if(muted) {
convertToGrayscale(ctx, 0, 0, 160, 120)
}
last_pic = $photo.toDataURL('image/jpeg', 0.8);
$pic.src = last_pic;
$pic.style.display = "inline";
var blob = dataURL2Blob(last_pic);
if(Object.keys(skylink._peerConnections).length>0){
skylink.sendBlobData(blob, {
size: blob.size,
name: (new Date()).toString()
});
}
capture_timeout = setTimeout(capture, 5000);
}
/*function adjustVolume($audio, to) {
if(!$audio) {
return;
}
clearTimeout(audioTimeouts[$audio.id]);
$audio.volume = $audio.volume < to ? $audio.volume += 0.05 : $audio.volume -= 0.05;
if(Math.abs($audio.volume - to) > 0.05) {
audioTimeouts[$audio.id] = setTimeout(function() {
adjustVolume($audio, to);
}, 50);
}
}*/
function adjustAllVolume(to) {
for(i in peer_audios) {
peer_audios[i].volume = to;
//adjustVolume(peer_audios[i], to);
}
}
$msg.onkeydown = function(e) {
if(!e.altKey && e.keyCode === 13 && mediaOK !== null) {
if(online) {
if($msg.value === '/clear') {
localStorage.clear();
$chatbox.innerHTML = '';
}
else if($msg.value.substr(0,6) === '/join ') {
window.open(location.origin + location.pathname + '#' + $msg.value.substr(6), $msg.value.substr(6));
}
else if($msg.value === '/mute') {
skylink.muteStream({audioMuted: true});
muted = true;
capture();
}
else if($msg.value === '/unmute') {
skylink.muteStream({audioMuted: false});
muted = false;
capture();
}
else if($msg.value.substr(0,7) === '/share ') {
getPicture($msg.value.substr(7), function(error, url) {
if(error) {
addMessage(error, 'bot');
}
else {
skylink.sendP2PMessage("![powered by Flickr](" + url + ")");
setTimeout(function() {
$chatcontainer.scrollTop = $chatcontainer.scrollHeight;
}, 500);
}
});
}
else {
skylink.sendP2PMessage($msg.value);
}
}
else if(!user.name) {
user.name = $msg.value.replace('\n','').trim();
skylink.joinRoom({
audio: { echoCancellation: true },
video:true
});
}
$msg.value = '';
$msg.select();
return false;
}
}
$pic.onclick = function() {
capture();
}
window.onfocus = function () {
focussed = true;
capture();
adjustAllVolume(1);
$msg.select();
}
window.onblur = function() {
focussed = false;
adjustAllVolume(0.15);
capture();
}
</script>
</body>
</html>