| | 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, #outer-table, #history { width: 99.9%; height: 100%; margin: 0; padding: 0 } |
| | 9 | #status { background-color: #eef } |
| | 10 | #say { width: 100% } |
| | 11 | #history { vertical-align: bottom } |
| | 12 | img { width: 1px; height: 1px; } |
| | 13 | iframe { display: none } |
| | 14 | #status span { margin-right: 2em } |
| | 15 | #status span.sad { background-color: #fee } |
| | 16 | #status span.happy { background-color: #efe } |
| | 17 | /*]]>*/--></style> |
| | 18 | <script type="text/javascript"><!--//--><![CDATA[//><!-- |
| | 19 | var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com']; |
| | 20 | |
| | 21 | var session = Math.random(); |
| | 22 | var since = {}; |
| | 23 | var seen = {}; |
| | 24 | |
| | 25 | function rcnick() { |
| | 26 | var nick = localStorage.getItem("nick"); |
| | 27 | if (nick) { |
| | 28 | return nick; |
| | 29 | } |
| | 30 | return 'anonymous'; |
| | 31 | } |
| | 32 | |
| | 33 | function rcsetnick(new_nick) { |
| | 34 | localStorage.setItem("nick", new_nick); |
| | 35 | } |
| | 36 | |
| | 37 | function rcserverbase(server) { |
| | 38 | // Add the default port if server doesn't contain a port number already |
| | 39 | if (server.indexOf(":") == -1) { |
| | 40 | return "http://" + server + ":21059"; |
| | 41 | } else { |
| | 42 | return "http://" + server; |
| | 43 | } |
| | 44 | } |
| | 45 | |
| | 46 | function rcchangeserverstatus(server, new_status) { |
| | 47 | var statusbar = document.getElementById("status"); |
| | 48 | var spans = statusbar.getElementsByTagName("span"); |
| | 49 | for (var i in spans) { |
| | 50 | if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) { |
| | 51 | spans[i].setAttribute("class", new_status); |
| | 52 | } |
| | 53 | } |
| | 54 | } |
| | 55 | |
| | 56 | function rcaddmessagetohistory(message) { |
| | 57 | var d = document.createElement("div"); |
| | 58 | d.appendChild(document.createTextNode(message)); |
| | 59 | var h = document.getElementById("history"); |
| | 60 | h.appendChild(d); |
| | 61 | window.scrollTo(0, document.body.scrollHeight); |
| | 62 | return d; |
| | 63 | } |
| | 64 | |
| | 65 | function make_seen_key(id, text) { |
| | 66 | return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@"); |
| | 67 | } |
| | 68 | |
| | 69 | function rcreceivemessages(server, messages) { |
| | 70 | for (var i in messages) { |
| | 71 | var seen_key = make_seen_key(messages[i]['ID'], messages[i]['Text']); |
| | 72 | if (!(seen_key in seen)) { |
| | 73 | seen[seen_key] = true; |
| | 74 | rcaddmessagetohistory(messages[i]['Text']); |
| | 75 | for (var i in servers) { |
| | 76 | rcchangeserverstatus(servers[i], "sad"); |
| | 77 | } |
| | 78 | } |
| | 79 | rcchangeserverstatus(server, "happy"); |
| | 80 | } |
| | 81 | } |
| | 82 | |
| | 83 | function rcfetch(server) { |
| | 84 | var delay = 10000; // TODO: Exponential backoff |
| | 85 | var xhr = new XMLHttpRequest(); |
| | 86 | xhr.onreadystatechange = function() { |
| | 87 | if (this.readyState == this.DONE) { |
| | 88 | if (this.status == 200) { |
| | 89 | var rtxt = this.responseText; |
| | 90 | if (rtxt != null) { |
| | 91 | var messages = JSON.parse(rtxt); |
| | 92 | if (messages != null) { |
| | 93 | rcreceivemessages(server, messages); |
| | 94 | window.parent.postMessage(rtxt, "*"); |
| | 95 | delay = 40; |
| | 96 | if (messages.length >= 1 && "Time" in messages[messages.length-1]) { |
| | 97 | since[server] = messages[messages.length-1]["Time"]; |
| | 98 | } |
| | 99 | } |
| | 100 | } |
| | 101 | } |
| | 102 | window.setTimeout(rcfetch, delay, server); |
| | 103 | } |
| | 104 | } |
| | 105 | var uri = rcserverbase(server) + "/fetch"; |
| | 106 | if (server in since) { |
| | 107 | uri += '?since="' + since[server] + '"'; |
| | 108 | } |
| | 109 | xhr.open("GET", uri); |
| | 110 | xhr.send(); |
| | 111 | } |
| | 112 | |
| | 113 | function rcconnect() { |
| | 114 | for (var i in servers) { |
| | 115 | rcfetch(servers[i]); |
| | 116 | // Status bar entry |
| | 117 | var status_indicator = document.createElement("span"); |
| | 118 | status_indicator.appendChild(document.createTextNode(servers[i])); |
| | 119 | status_indicator.setAttribute("class", "sad"); |
| | 120 | document.getElementById("status").appendChild(status_indicator); |
| | 121 | } |
| | 122 | if (rcnick() == 'anonymous') { |
| | 123 | rcaddmessagetohistory("-!- Set your nick with /nick"); |
| | 124 | } |
| | 125 | } |
| | 126 | |
| | 127 | function rcsend(d, message) { |
| | 128 | var id = new Date().getTime() + "-" + session + "-" + Math.random(); |
| | 129 | seen[make_seen_key(id, message)] = true; |
| | 130 | var path = "/speak" + |
| | 131 | "?id=" + encodeURIComponent(id) + |
| | 132 | "&text=" + encodeURIComponent(message); |
| | 133 | for (var i in servers) { |
| | 134 | var uri = rcserverbase(servers[i]) + path; |
| | 135 | var img = document.createElement("img"); |
| | 136 | img.setAttribute("src", uri); |
| | 137 | d.appendChild(img); |
| | 138 | } |
| | 139 | } |
| | 140 | |
| | 141 | function rckeydown(event) { |
| | 142 | if (event.keyCode == 13) { |
| | 143 | var input = document.input.say.value; |
| | 144 | document.input.say.value = ""; |
| | 145 | |
| | 146 | // Check nick change |
| | 147 | var message; |
| | 148 | var re = /^\/nick (.*)/; |
| | 149 | var match = re.exec(input); |
| | 150 | if (match) { |
| | 151 | message = "*** " + rcnick() + " is now known as " + match[1]; |
| | 152 | rcsetnick(match[1]); |
| | 153 | } else { |
| | 154 | message = "<" + rcnick() + "> " + input; |
| | 155 | } |
| | 156 | |
| | 157 | // Say the message |
| | 158 | var d = rcaddmessagetohistory(message); |
| | 159 | rcsend(d, message); |
| | 160 | |
| | 161 | // Remind people to set their nick |
| | 162 | if (rcnick() == 'anonymous') { |
| | 163 | rcaddmessagetohistory("-!- Set your nick with /nick"); |
| | 164 | } |
| | 165 | } |
| | 166 | } |
| | 167 | //--><!]]></script> |
| | 168 | |
| | 169 | </head> |
| | 170 | |
| | 171 | <body onload="rcconnect()"> |
| | 172 | <table id="outer-table"> |
| | 173 | <tr><td id="history"></td></tr> |
| | 174 | <tr><td id="status"> </td></tr> |
| | 175 | <tr><td><form name="input" onsubmit="return false" autocomplete="off"> |
| | 176 | <input id="say" onkeydown="return rckeydown(event)" autocomplete="off"></input> |
| | 177 | </form></td></tr> |
| | 178 | </table> |
| | 179 | </body> |
| | 180 | </html> |
projects / reliable-chat / blame_incremental