git.scottworley.com Git - reliable-chat/blob - webclient/rc.html

   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>
   7   <style type="text/css"><!--/*--><![CDATA[/*><!--*/
   8         html, body {
   9                 width: 99.9%;
  10                 height: 100%;
  11                 margin: 0;
  12                 padding: 0;
  13                 background-color: #293134;
  14                 color: silver;
  15                 font-family: monospace;
  16         }
  17         #container {
  18                 height: 100%;
  19         }
  20         #status {
  21                 width: 100%;
  22                 text-align: right;
  23                 background-color: #293134;
  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%;
  35                 background-color: #293134;
  36         }
  37         #say { width: 100% }
  38         #history {
  39                 padding: 0px 5px 55px 5px;
  40                 vertical-align: bottom
  41         }
  42         img { width: 1px; height: 1px; }
  43         iframe { display: none }
  44         #status span { margin-right: 10px; }
  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         }
  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();
  66         var since = {};
  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
 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                                 }
 122                         }
 123                         rcchangeserverstatus(server, "happy");
 124                 }
 125         }
 126
 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                                                 }
 144                                         }
 145                                 }
 146                                 window.setTimeout(rcfetch, delay, server);
 147                         }
 148                 }
 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();
 155         }
 156
 157         function rcconnect() {
 158                 for (var i in servers) {
 159                         rcfetch(servers[i]);
 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
 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
 212                         // Say the message
 213                         var d = rcaddmessagetohistory(message);
 214                         rcsend(d, message);
 215
 216                         // Remind people to set their nick
 217                         if (rcnick() == 'anonymous') {
 218                                 rcaddmessagetohistory("-!- Set your nick with /nick");
 219                         }
 220                 }
 221         }
 222   //--><!]]></script>
 223
 224 </head>
 225
 226 <body onload="rcconnect()">
 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">&nbsp;</div>
 235                 </div>
 236         </div>
 237 </body>
 238 </html>