[reliable-chat] / webclient / rc.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title>Reliable Chat</title>
  <style type="text/css"><!--/*--><![CDATA[/*><!--*/
	html, body {
		width: 99.9%;
		height: 100%;
		margin: 0;
		padding: 0;
		background-color: #293134;
		color: silver;
		font-family: monospace;
	}
	#container {
		height: 100%;
	}
	#status {
		width: 100%;
		text-align: right;
		background-color: #293134;
		padding: 5px 5px 5px 0px;
	}
	#client {
		width: 98.5%;
		padding: 0px 0px 0px 5px;
		height: 50px;
		position: fixed;
		bottom: 0;
	}
	#input {
		width: 100%;
		background-color: #293134;
	}
	#say { width: 100% }
	#history {
		padding: 0px 5px 55px 5px;
		vertical-align: bottom
	}
	img { width: 1px; height: 1px; }
	iframe { display: none }
	#status span { margin-right: 10px; }
	#status span.sad {
		background-color: #f00;
		color: #fff;
		border: 1px solid black;
		border-radius: 5px;
		padding-left: 5px;
		padding-right: 5px;
	}
	#status span.happy {
		background-color: #0f0;
		color: #000;
		border: 1px solid black;
		border-radius: 5px;
		padding-left: 5px;
		padding-right: 5px;
	}
  /*]]>*/--></style>
  <script type="text/javascript"><!--//--><![CDATA[//><!--
	var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com'];

	var session = Math.random();
	var since = {};
	var seen = {};

	function rcnick() {
		var nick = localStorage.getItem("nick");
		if (nick) {
			return nick;
		}
		return 'anonymous';
	}

	function rcsetnick(new_nick) {
		localStorage.setItem("nick", new_nick);
	}

	function rcserverbase(server) {
		// Add the default port if server doesn't contain a port number already
		if (server.indexOf(":") == -1) {
			return "http://" + server + ":21059";
		} else {
			return "http://" + server;
		}
	}

	function rcchangeserverstatus(server, new_status) {
		var statusbar = document.getElementById("status");
		var spans = statusbar.getElementsByTagName("span");
		for (var i in spans) {
			if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) {
				spans[i].setAttribute("class", new_status);
			}
		}
	}

	function rcaddmessagetohistory(message) {
		var d = document.createElement("div");
		d.appendChild(document.createTextNode(message));
		var h = document.getElementById("history");
		h.appendChild(d);
		window.scrollTo(0, document.body.scrollHeight);
		return d;
	}

	function make_seen_key(id, text) {
		return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@");
	}

	function rcreceivemessages(server, messages) {
		for (var i in messages) {
			var seen_key = make_seen_key(messages[i]['ID'], messages[i]['Text']);
			if (!(seen_key in seen)) {
				seen[seen_key] = true;
				rcaddmessagetohistory(messages[i]['Text']);
				for (var i in servers) {
					rcchangeserverstatus(servers[i], "sad");
				}
			}
			rcchangeserverstatus(server, "happy");
		}
	}

	function rcfetch(server) {
		var delay = 10000;  // TODO: Exponential backoff
		var xhr = new XMLHttpRequest();
		xhr.onreadystatechange = function() {
			if (this.readyState == this.DONE) {
				if (this.status == 200) {
					var rtxt = this.responseText;
					if (rtxt != null) {
						var messages = JSON.parse(rtxt);
						if (messages != null) {
							rcreceivemessages(server, messages);
							window.parent.postMessage(rtxt, "*");
							delay = 40;
							if (messages.length >= 1 && "Time" in messages[messages.length-1]) {
								since[server] = messages[messages.length-1]["Time"];
							}
						}
					}
				}
				window.setTimeout(rcfetch, delay, server);
			}
		}
		var uri = rcserverbase(server) + "/fetch";
		if (server in since) {
			uri += '?since="' + since[server] + '"';
		}
		xhr.open("GET", uri);
		xhr.send();
	}

	function rcconnect() {
		for (var i in servers) {
			rcfetch(servers[i]);
			// Status bar entry
			var status_indicator = document.createElement("span");
			status_indicator.appendChild(document.createTextNode(servers[i]));
			status_indicator.setAttribute("class", "sad");
			document.getElementById("status").appendChild(status_indicator);
		}
		if (rcnick() == 'anonymous') {
			rcaddmessagetohistory("-!- Set your nick with /nick");
		}
	}

	function rcsend(d, message) {
		var id = new Date().getTime() + "-" + session + "-" + Math.random();
		seen[make_seen_key(id, message)] = true;
		var path = "/speak" +
			"?id=" + encodeURIComponent(id) +
			"&text=" + encodeURIComponent(message);
		for (var i in servers) {
			var uri = rcserverbase(servers[i]) + path;
			var img = document.createElement("img");
			img.setAttribute("src", uri);
			d.appendChild(img);
		}
	}

	function rckeydown(event) {
		if (event.keyCode == 13) {
			var input = document.input.say.value;
			document.input.say.value = "";
			
			// Check nick change
			var message;
			var re = /^\/nick (.*)/;
			var match = re.exec(input);
			if (match) {
				message = "*** " + rcnick() + " is now known as " + match[1];
				rcsetnick(match[1]);
			} else {
				message = "<" + rcnick() + "> " + input;
			}

			// /me support
			var message;
			var re = /^\/me (.*)/;
			var match = re.exec(input);
			var inputme = input.substring(4);
			if (match) {
				message = "* " + rcnick() + "  " + inputme;
			} else {
				message = "<" + rcnick() + "> " + input;
			}

			// Say the message
			var d = rcaddmessagetohistory(message);
			rcsend(d, message);

			// Remind people to set their nick
			if (rcnick() == 'anonymous') {
				rcaddmessagetohistory("-!- Set your nick with /nick");
			}
		}
	}
  //--><!]]></script>

</head>

<body onload="rcconnect()">
	<div id="container">
		<div id="history"></div>
		<div id="client">
			<div id="input">
				<form name="input" onsubmit="return false" autocomplete="off">
					<input id="say" onkeydown="return rckeydown(event)" autocomplete="off" autofocus="autofocus"></input>
				</form></div>
			<div id="status">&nbsp;</div>
		</div>
	</div>
</body>
</html>
Commit	Line	Data
827f21bb SW	1	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
	2	"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
	3
	4	<html xmlns="http://www.w3.org/1999/xhtml">
	5	<head>
	6	<title>Reliable Chat</title>
0248a518	7	<style type="text/css"><!--/--><![CDATA[/><!--*/
70f46223 JH	8	html, body {
	9	width: 99.9%;
	10	height: 100%;
	11	margin: 0;
	12	padding: 0;
b22a2ced JH	13	background-color: #293134;
b22a2ced JH	14	color: silver;
70f46223 JH	15	font-family: monospace;
	16	}
	17	#container {
	18	height: 100%;
	19	}
	20	#status {
	21	width: 100%;
638866e9	22	text-align: right;
b22a2ced	23	background-color: #293134;
70f46223 JH	24	padding: 5px 5px 5px 0px;
	25	}
	26	#client {
	27	width: 98.5%;
	28	padding: 0px 0px 0px 5px;
	29	height: 50px;
	30	position: fixed;
	31	bottom: 0;
	32	}
	33	#input {
	34	width: 100%;
b22a2ced	35	background-color: #293134;
70f46223	36	}
0248a518	37	#say { width: 100% }
70f46223 JH	38	#history {
	39	padding: 0px 5px 55px 5px;
	40	vertical-align: bottom
	41	}
0248a518 SW	42	img { width: 1px; height: 1px; }
0248a518 SW	43	iframe { display: none }
70f46223	44	#status span { margin-right: 10px; }
f09c4ede JH	45	#status span.sad {
	46	background-color: #f00;
	47	color: #fff;
	48	border: 1px solid black;
	49	border-radius: 5px;
	50	padding-left: 5px;
	51	padding-right: 5px;
	52	}
	53	#status span.happy {
	54	background-color: #0f0;
	55	color: #000;
	56	border: 1px solid black;
	57	border-radius: 5px;
	58	padding-left: 5px;
	59	padding-right: 5px;
	60	}
0248a518 SW	61	/]]>/--></style>
	62	<script type="text/javascript"><!--//--><![CDATA[//><!--
	63	var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com'];
	64
	65	var session = Math.random();
79ced6f1	66	var since = {};
0248a518 SW	67	var seen = {};
	68
	69	function rcnick() {
	70	var nick = localStorage.getItem("nick");
	71	if (nick) {
	72	return nick;
	73	}
	74	return 'anonymous';
	75	}
	76
	77	function rcsetnick(new_nick) {
	78	localStorage.setItem("nick", new_nick);
	79	}
	80
	81	function rcserverbase(server) {
	82	// Add the default port if server doesn't contain a port number already
	83	if (server.indexOf(":") == -1) {
	84	return "http://" + server + ":21059";
	85	} else {
	86	return "http://" + server;
	87	}
	88	}
	89
	90	function rcchangeserverstatus(server, new_status) {
	91	var statusbar = document.getElementById("status");
	92	var spans = statusbar.getElementsByTagName("span");
	93	for (var i in spans) {
	94	if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) {
	95	spans[i].setAttribute("class", new_status);
	96	}
	97	}
	98	}
	99
	100	function rcaddmessagetohistory(message) {
	101	var d = document.createElement("div");
	102	d.appendChild(document.createTextNode(message));
	103	var h = document.getElementById("history");
	104	h.appendChild(d);
	105	window.scrollTo(0, document.body.scrollHeight);
	106	return d;
	107	}
	108
	109	function make_seen_key(id, text) {
	110	return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@");
	111	}
	112
79ced6f1 SW	113	function rcreceivemessages(server, messages) {
	114	for (var i in messages) {
	115	var seen_key = make_seen_key(messages[i]['ID'], messages[i]['Text']);
	116	if (!(seen_key in seen)) {
	117	seen[seen_key] = true;
	118	rcaddmessagetohistory(messages[i]['Text']);
	119	for (var i in servers) {
	120	rcchangeserverstatus(servers[i], "sad");
	121	}
0248a518	122	}
79ced6f1	123	rcchangeserverstatus(server, "happy");
0248a518	124	}
0248a518 SW	125	}
0248a518 SW	126
79ced6f1 SW	127	function rcfetch(server) {
	128	var delay = 10000; // TODO: Exponential backoff
	129	var xhr = new XMLHttpRequest();
	130	xhr.onreadystatechange = function() {
	131	if (this.readyState == this.DONE) {
	132	if (this.status == 200) {
	133	var rtxt = this.responseText;
	134	if (rtxt != null) {
	135	var messages = JSON.parse(rtxt);
	136	if (messages != null) {
	137	rcreceivemessages(server, messages);
	138	window.parent.postMessage(rtxt, "*");
	139	delay = 40;
	140	if (messages.length >= 1 && "Time" in messages[messages.length-1]) {
	141	since[server] = messages[messages.length-1]["Time"];
	142	}
	143	}
0248a518 SW	144	}
0248a518 SW	145	}
79ced6f1	146	window.setTimeout(rcfetch, delay, server);
0248a518 SW	147	}
0248a518 SW	148	}
79ced6f1 SW	149	var uri = rcserverbase(server) + "/fetch";
	150	if (server in since) {
	151	uri += '?since="' + since[server] + '"';
	152	}
	153	xhr.open("GET", uri);
	154	xhr.send();
0248a518 SW	155	}
	156
	157	function rcconnect() {
0248a518	158	for (var i in servers) {
79ced6f1	159	rcfetch(servers[i]);
0248a518 SW	160	// Status bar entry
	161	var status_indicator = document.createElement("span");
	162	status_indicator.appendChild(document.createTextNode(servers[i]));
	163	status_indicator.setAttribute("class", "sad");
	164	document.getElementById("status").appendChild(status_indicator);
	165	}
	166	if (rcnick() == 'anonymous') {
	167	rcaddmessagetohistory("-!- Set your nick with /nick");
	168	}
	169	}
	170
	171	function rcsend(d, message) {
	172	var id = new Date().getTime() + "-" + session + "-" + Math.random();
	173	seen[make_seen_key(id, message)] = true;
	174	var path = "/speak" +
	175	"?id=" + encodeURIComponent(id) +
	176	"&text=" + encodeURIComponent(message);
	177	for (var i in servers) {
	178	var uri = rcserverbase(servers[i]) + path;
	179	var img = document.createElement("img");
	180	img.setAttribute("src", uri);
	181	d.appendChild(img);
	182	}
	183	}
	184
	185	function rckeydown(event) {
	186	if (event.keyCode == 13) {
	187	var input = document.input.say.value;
	188	document.input.say.value = "";
	189
	190	// Check nick change
	191	var message;
	192	var re = /^\/nick (.*)/;
	193	var match = re.exec(input);
	194	if (match) {
	195	message = "*** " + rcnick() + " is now known as " + match[1];
	196	rcsetnick(match[1]);
	197	} else {
	198	message = "<" + rcnick() + "> " + input;
	199	}
	200
d925d235 JH	201	// /me support
	202	var message;
	203	var re = /^\/me (.*)/;
	204	var match = re.exec(input);
	205	var inputme = input.substring(4);
	206	if (match) {
	207	message = "* " + rcnick() + " " + inputme;
	208	} else {
	209	message = "<" + rcnick() + "> " + input;
	210	}
	211
c3983543 SW	212	// Say the message
	213	var d = rcaddmessagetohistory(message);
	214	rcsend(d, message);
	215
0248a518 SW	216	// Remind people to set their nick
	217	if (rcnick() == 'anonymous') {
	218	rcaddmessagetohistory("-!- Set your nick with /nick");
	219	}
0248a518 SW	220	}
	221	}
	222	//--><!]]></script>
	223
827f21bb SW	224	</head>
827f21bb SW	225
f0e385c7	226	<body onload="rcconnect()">
70f46223 JH	227	<div id="container">
	228	<div id="history"></div>
	229	<div id="client">
	230	<div id="input">
	231	<form name="input" onsubmit="return false" autocomplete="off">
	232	<input id="say" onkeydown="return rckeydown(event)" autocomplete="off" autofocus="autofocus"></input>
	233	</form></div>
	234	<div id="status"> </div>
	235	</div>
	236	</div>
827f21bb SW	237	</body>
827f21bb SW	238	</html>