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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Poke</title>
<script src="/socket.io/socket.io.js"></script>
<script>
var socket=io("/poke");
var conns=[];
var self_info={id:-1,nick:"",status:""};
function pokeLink(cOrId){
var c;
if(typeof cOrId=="number"){
for(var i=0;i<conns.length;i++)if(conns[i].id==cOrId)break;
if(i==conns.length)return document.createElement("span");
c=conns[i];
} else c=cOrId;
var span=document.createElement("span");
if(c.id==self_info.id)span.classList.add("pokelink_self");
else span.classList.add("pokelink");
span.appendChild(document.createTextNode(c.nick));
if(c.id!=self_info.id){
span.addEventListener("click",function(ev){socket.emit("poke",c.id);});
}
return span;
}
socket.on("reset",function(){
conns=[];
var ul=document.getElementById("connectionlist"),l=ul.children;
for(var i=l.length-1;i>=0;i--)ul.removeChild(l[i]);
ul=document.getElementById("notificationlist");l=ul.children;
for(var i=l.length-1;i>=0;i--)ul.removeChild(l[i]);
});
socket.on("self",function(s_i){
self_info=s_i;
});
socket.on("connection add",function(c){
conns.push(c);
var li=document.createElement("li");
li.classList.add("connection");
li.setAttribute("poke_id",c.id);
li.appendChild(pokeLink(c));
var span=document.createElement("span");
span.classList.add("connectionstatus");
span.appendChild(document.createTextNode(""));
li.appendChild(span);
document.getElementById("connectionlist").appendChild(li);
});
socket.on("connection remove",function(id){
var i;
for(i=0;i<conns.length;i++)if(conns[i].id==id)break;
if(i==conns.length)return; //?
conns.splice(i,1);
var ul=document.getElementById("connectionlist"),l=ul.children;
for(i=0;i<l.length;i++)if(l[i].getAttribute("poke_id")==id)break;
if(i==l.length)return; //?
ul.removeChild(l[i]);
});
socket.on("status",function(obj){
var id=obj.id,st=obj.status;
var i;
for(i=0;i<conns.length;i++)if(conns[i].id==id)break;
if(i==conns.length)return;
conns[i].status=st;
var ul=document.getElementById("connectionlist"),l=ul.children;
for(i=0;i<l.length;i++)if(l[i].getAttribute("poke_id")==id)break;
if(i==l.length)return; //?
l[i].children[1].firstChild.nodeValue=st?"("+st+")":"";
});
socket.on("poke",function(id){
var notiflist=document.getElementById("notificationlist");
var li=document.createElement("li");
li.classList.add("notification");
var span=document.createElement("span");
span.appendChild(document.createTextNode("Poke from "));
span.appendChild(pokeLink(id));
li.appendChild(span);
notiflist.appendChild(li);
setTimeout(function(){
notiflist.removeChild(li);
},3000);
});
function changeStatus(st){
socket.emit("status",st);
}
</script>
<style>
body{
font-family:Monaco,Monospace;
}
span.pokelink{
color:#44f;
cursor:pointer;
transition:color .3s;
}
span.pokelink:hover{
color:#77f;
}
ul#notificationlist{
list-style-type:none;
}
span.connectionstatus{
font-size:small;
margin-left:10px;
font-style:italic;
}
</style>
</head>
<body>
<table style="width:100%"><tbody><tr>
<td style="vertical-align:top">
<h2>Users</h2>
<ul id="connectionlist"></ul>
</td>
<td style="vertical-align:top;text-align:right">
<h2>Notifications</h2>
<ul id="notificationlist"></ul>
</td>
</tr></tbody></table>
<input type="text" placeholder="change status..." size="30" style="margin-top:20px" onkeypress="if(event.keyCode!=13)return true;changeStatus(this.value);this.value=''">
</body>
</html>
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