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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta charset="UTF-8" />
<link href="data:image/x-icon;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQEAYAAABPYyMiAAAABmJLR0T///////8JWPfcAAAACXBIWXMAAABIAAAASABGyWs+AAAAF0lEQVRIx2NgGAWjYBSMglEwCkbBSAcACBAAAeaR9cIAAAAASUVORK5CYII=" rel="icon" type="image/x-icon" />
<script type="text/javascript" src="lib/sockjs.js"></script>
<script type="text/javascript" src="static/jquery.min.js"></script>
<script type="text/javascript" src="config.js"></script>
<style type="text/css">
.cursor {
height: 30px;
width: 30px;
position: absolute;
border: 1px solid gray;
z-index: -1;
}
</style>
</head>
<body>
<form>
<select id="transport">
<option value="">- any - </option>
<option value="websocket">websocket</option>
<option value="not-websocket">- not websocket -</option>
<option value="xdr-streaming">xdr-streaming</option>
<option value="xhr-streaming">xhr-streaming</option>
<option value="iframe-eventsource">iframe-eventsource</option>
<option value="iframe-htmlfile">iframe-htmlfile</option>
<option value="xdr-polling">xdr-polling</option>
<option value="xhr-polling">xhr-polling</option>
<option value="iframe-xhr-polling">iframe-xhr-polling</option>
<option value="jsonp-polling">jsonp-polling</option>
</select>
<input type="checkbox" id="sameOrigin" checked>Same Origin?
<input type="button" value="Connect" id="connect">
<input type="button" value="Disconnect" id="disconnect" disabled="yes">
</form>
Latency: <code id="latency"></code><br>
<code id="logs" style="height:200px; overflow:auto; display: block; border: 1px gray solid;">
</code>
<script>
function log(a) {
if ('console' in window && 'log' in window.console) {
console.log(a);
}
$('#logs').append($("<code>").text(a));
$('#logs').append($("<br>"));
$('#logs').scrollTop($('#logs').scrollTop()+10000);
}
var sjs = null;
var transport;
$('#connect').click(function() {
$('#connect').attr('disabled', true);
$('#disconnect').each(function(_,e){e.disabled='';});
var transport = $('#transport').val() || undefined;
if (transport === 'not-websocket') {
transport = ['xdr-streaming',
'xhr-streaming',
'eventsource',
'iframe-eventsource',
'htmlfile',
'iframe-htmlfile',
'xdr-polling',
'xhr-polling',
'iframe-xhr-polling',
'jsonp-polling'];
}
log('[connecting] ' + transport);
var url;
if ($('#sameOrigin').prop('checked')) {
if (window.location.origin) url = window.location.origin;
else {
url = window.location.protocol + '//' + window.location.hostname +
(window.location.port ? ':' + window.location.port : '');
}
} else {
url = clientOptions.url;
}
sjs = new SockJS(url + '/broadcast', null, { transports: transport });
sjs.onopen = onopen
sjs.onclose = onclose;
sjs.onmessage = xonmessage;
});
$('#disconnect').click(function() {
$('#disconnect').attr('disabled', true);
log('[disconnecting]');
sjs.close();
});
var onopen = function() {
log('connected ' + sjs.transport);
$('#sameOrigin').attr('disabled', true);
};
var onclose = function(e) {
log('disconnected ' + e.code + ', ' + e.reason);
$('#connect').each(function(_,e){e.disabled='';});
$('#disconnect').attr('disabled', true);
$('#sameOrigin').attr('disabled', false);
};
var myself = (''+Math.random()).substr(2);
var xonmessage = function(e) {
var msg = JSON.parse(e.data);
if (msg.id === myself) {
var td = (new Date()).getTime() - msg.t;
$('#latency').text('' + td + ' ms');
}
var id = 'cursor_'+msg.id;
if ($('#'+id).length === 0) {
$("body").append('<div id="' + id + '" class="cursor"></div>');
}
$('#'+id).offset({top:msg.y-15, left:msg.x-15});
};
var x, y;
var last_x, last_y, tref;
$(document).mousemove(function(e) {
x = e.pageX; y = e.pageY;
if(!tref) poll();
});
var poll = function() {
tref = null;
if (last_x === x && last_y === y)
return;
var msg = {x:x, y:y, t: (new Date()).getTime(), id:myself};
last_x = x; last_y = y;
var raw_msg = JSON.stringify(msg);
if (sjs && sjs.readyState === SockJS.OPEN) {
sjs.send(raw_msg);
}
tref = setTimeout(poll, 200);
};
$('#connect').each(function(_,e){e.disabled='';});
$('#disconnect').attr('disabled', true);
</script>
</body>
</html>
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