]> git.scottworley.com Git - reliable-chat/blobdiff - webclient/rc.html
Add license (AGPL)
[reliable-chat] / webclient / rc.html
index 9097323a9b013c8b20262aa6dc30883b5e7d300c..8d1c84a02755210f083e4277fb739692d9a27e88 100644 (file)
@@ -1,17 +1,64 @@
 <!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">
+<!--
+ reliable-chat - multipath chat
+ Copyright (C) 2012  Scott Worley <sworley@chkno.net>
+ Copyright (C) 2012  Jason Hibbs <skitch@gmail.com>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <head>
  <title>Reliable Chat</title>
   <style type="text/css"><!--/*--><![CDATA[/*><!--*/
-       html, body, #outer-table, #history { width: 99.9%; height: 100%; margin: 0; padding: 0 }
-       #status { background-color: #eef }
+       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 { vertical-align: bottom }
+       #history {
+               padding: 0px 5px 55px 5px;
+               vertical-align: bottom
+       }
        img { width: 1px; height: 1px; }
        iframe { display: none }
-       #status span { margin-right: 2em }
+       #status span { margin-right: 10px; }
        #status span.sad {
                background-color: #f00;
                color: #fff;
@@ -33,6 +80,7 @@
        var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com'];
 
        var session = Math.random();
+       var since = {};
        var seen = {};
 
        function rcnick() {
                return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@");
        }
 
-       function receiveMessage(server, time, id, text) {
-               var seen_key = make_seen_key(id, text);
-               if (!(seen_key in seen)) {
-                       seen[seen_key] = true;
-                       rcaddmessagetohistory(text);
-                       for (var i in servers) {
-                               rcchangeserverstatus(servers[i], "sad");
+       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");
                }
-               rcchangeserverstatus(server, "happy");
        }
 
-       function receiveMessageEvent(event)  
-       {  
-               for (var i in servers) {
-                       if (event.origin === rcserverbase(servers[i])) {
-                               messages = JSON.parse(event.data);
-                               for (var j in messages) {
-                                       if ('Time' in messages[j] &&
-                                           'ID'   in messages[j] &&
-                                           'Text' in messages[j]) {
-                                               receiveMessage(servers[i], messages[j]['Time'], messages[j]['ID'], messages[j]['Text']);
+       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() {
-               window.addEventListener("message", receiveMessageEvent, false);  
                for (var i in servers) {
-                       // Create a hidden iframe for same-origin workaround
-                       var iframe = document.createElement("iframe");
-                       iframe.setAttribute("src", rcserverbase(servers[i]) + "/frame");
-                       document.body.insertBefore(iframe, document.body.firstChild);
+                       rcfetch(servers[i]);
                        // Status bar entry
                        var status_indicator = document.createElement("span");
                        status_indicator.appendChild(document.createTextNode(servers[i]));
                                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");
                        }
-
-                       // Say the message
-                       var d = rcaddmessagetohistory(message);
-                       rcsend(d, message);
                }
        }
   //--><!]]></script>
 </head>
 
 <body onload="rcconnect()">
-       <table id="outer-table">
-               <tr><td id="history"></td></tr>
-               <tr><td id="status">&nbsp;</td></tr>
-               <tr><td><form name="input" onsubmit="return false" autocomplete="off">
-                       <input id="say" onkeydown="return rckeydown(event)" autocomplete="off" autofocus="autofocus"></input>
-                       </form></td></tr>
-       </table>
+       <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>