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827f21bb SW |
1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
2 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> | |
827f21bb | 3 | <html xmlns="http://www.w3.org/1999/xhtml"> |
520c21fd SW |
4 | <!-- |
5 | reliable-chat - multipath chat | |
6 | Copyright (C) 2012 Scott Worley <sworley@chkno.net> | |
7 | Copyright (C) 2012 Jason Hibbs <skitch@gmail.com> | |
8 | ||
9 | This program is free software: you can redistribute it and/or modify | |
10 | it under the terms of the GNU Affero General Public License as | |
11 | published by the Free Software Foundation, either version 3 of the | |
12 | License, or (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU Affero General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Affero General Public License | |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | --> | |
827f21bb SW |
22 | <head> |
23 | <title>Reliable Chat</title> | |
0248a518 | 24 | <style type="text/css"><!--/*--><![CDATA[/*><!--*/ |
70f46223 JH |
25 | html, body { |
26 | width: 99.9%; | |
27 | height: 100%; | |
28 | margin: 0; | |
29 | padding: 0; | |
b22a2ced JH |
30 | background-color: #293134; |
31 | color: silver; | |
70f46223 JH |
32 | font-family: monospace; |
33 | } | |
34 | #container { | |
35 | height: 100%; | |
36 | } | |
37 | #status { | |
38 | width: 100%; | |
638866e9 | 39 | text-align: right; |
b22a2ced | 40 | background-color: #293134; |
70f46223 JH |
41 | padding: 5px 5px 5px 0px; |
42 | } | |
43 | #client { | |
44 | width: 98.5%; | |
45 | padding: 0px 0px 0px 5px; | |
46 | height: 50px; | |
47 | position: fixed; | |
48 | bottom: 0; | |
49 | } | |
50 | #input { | |
51 | width: 100%; | |
b22a2ced | 52 | background-color: #293134; |
70f46223 | 53 | } |
0248a518 | 54 | #say { width: 100% } |
70f46223 JH |
55 | #history { |
56 | padding: 0px 5px 55px 5px; | |
57 | vertical-align: bottom | |
58 | } | |
0248a518 SW |
59 | img { width: 1px; height: 1px; } |
60 | iframe { display: none } | |
70f46223 | 61 | #status span { margin-right: 10px; } |
f09c4ede JH |
62 | #status span.sad { |
63 | background-color: #f00; | |
64 | color: #fff; | |
65 | border: 1px solid black; | |
66 | border-radius: 5px; | |
67 | padding-left: 5px; | |
68 | padding-right: 5px; | |
69 | } | |
70 | #status span.happy { | |
71 | background-color: #0f0; | |
72 | color: #000; | |
73 | border: 1px solid black; | |
74 | border-radius: 5px; | |
75 | padding-left: 5px; | |
76 | padding-right: 5px; | |
77 | } | |
0248a518 SW |
78 | /*]]>*/--></style> |
79 | <script type="text/javascript"><!--//--><![CDATA[//><!-- | |
80 | var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com']; | |
81 | ||
82 | var session = Math.random(); | |
79ced6f1 | 83 | var since = {}; |
0248a518 SW |
84 | var seen = {}; |
85 | ||
86 | function rcnick() { | |
87 | var nick = localStorage.getItem("nick"); | |
88 | if (nick) { | |
89 | return nick; | |
90 | } | |
91 | return 'anonymous'; | |
92 | } | |
93 | ||
94 | function rcsetnick(new_nick) { | |
95 | localStorage.setItem("nick", new_nick); | |
96 | } | |
97 | ||
98 | function rcserverbase(server) { | |
99 | // Add the default port if server doesn't contain a port number already | |
100 | if (server.indexOf(":") == -1) { | |
101 | return "http://" + server + ":21059"; | |
102 | } else { | |
103 | return "http://" + server; | |
104 | } | |
105 | } | |
106 | ||
107 | function rcchangeserverstatus(server, new_status) { | |
108 | var statusbar = document.getElementById("status"); | |
109 | var spans = statusbar.getElementsByTagName("span"); | |
110 | for (var i in spans) { | |
111 | if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) { | |
112 | spans[i].setAttribute("class", new_status); | |
113 | } | |
114 | } | |
115 | } | |
116 | ||
117 | function rcaddmessagetohistory(message) { | |
118 | var d = document.createElement("div"); | |
119 | d.appendChild(document.createTextNode(message)); | |
120 | var h = document.getElementById("history"); | |
121 | h.appendChild(d); | |
122 | window.scrollTo(0, document.body.scrollHeight); | |
123 | return d; | |
124 | } | |
125 | ||
126 | function make_seen_key(id, text) { | |
127 | return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@"); | |
128 | } | |
129 | ||
79ced6f1 SW |
130 | function rcreceivemessages(server, messages) { |
131 | for (var i in messages) { | |
132 | var seen_key = make_seen_key(messages[i]['ID'], messages[i]['Text']); | |
133 | if (!(seen_key in seen)) { | |
134 | seen[seen_key] = true; | |
135 | rcaddmessagetohistory(messages[i]['Text']); | |
136 | for (var i in servers) { | |
137 | rcchangeserverstatus(servers[i], "sad"); | |
138 | } | |
0248a518 | 139 | } |
79ced6f1 | 140 | rcchangeserverstatus(server, "happy"); |
0248a518 | 141 | } |
0248a518 SW |
142 | } |
143 | ||
79ced6f1 SW |
144 | function rcfetch(server) { |
145 | var delay = 10000; // TODO: Exponential backoff | |
146 | var xhr = new XMLHttpRequest(); | |
147 | xhr.onreadystatechange = function() { | |
148 | if (this.readyState == this.DONE) { | |
149 | if (this.status == 200) { | |
150 | var rtxt = this.responseText; | |
151 | if (rtxt != null) { | |
152 | var messages = JSON.parse(rtxt); | |
153 | if (messages != null) { | |
154 | rcreceivemessages(server, messages); | |
79ced6f1 SW |
155 | delay = 40; |
156 | if (messages.length >= 1 && "Time" in messages[messages.length-1]) { | |
157 | since[server] = messages[messages.length-1]["Time"]; | |
158 | } | |
159 | } | |
0248a518 SW |
160 | } |
161 | } | |
79ced6f1 | 162 | window.setTimeout(rcfetch, delay, server); |
0248a518 SW |
163 | } |
164 | } | |
79ced6f1 SW |
165 | var uri = rcserverbase(server) + "/fetch"; |
166 | if (server in since) { | |
167 | uri += '?since="' + since[server] + '"'; | |
168 | } | |
169 | xhr.open("GET", uri); | |
170 | xhr.send(); | |
0248a518 SW |
171 | } |
172 | ||
173 | function rcconnect() { | |
0248a518 | 174 | for (var i in servers) { |
79ced6f1 | 175 | rcfetch(servers[i]); |
0248a518 SW |
176 | // Status bar entry |
177 | var status_indicator = document.createElement("span"); | |
178 | status_indicator.appendChild(document.createTextNode(servers[i])); | |
179 | status_indicator.setAttribute("class", "sad"); | |
180 | document.getElementById("status").appendChild(status_indicator); | |
181 | } | |
0248a518 SW |
182 | } |
183 | ||
184 | function rcsend(d, message) { | |
185 | var id = new Date().getTime() + "-" + session + "-" + Math.random(); | |
186 | seen[make_seen_key(id, message)] = true; | |
187 | var path = "/speak" + | |
188 | "?id=" + encodeURIComponent(id) + | |
189 | "&text=" + encodeURIComponent(message); | |
190 | for (var i in servers) { | |
191 | var uri = rcserverbase(servers[i]) + path; | |
192 | var img = document.createElement("img"); | |
193 | img.setAttribute("src", uri); | |
194 | d.appendChild(img); | |
195 | } | |
196 | } | |
197 | ||
5a6c082a SW |
198 | function rcinput(input) { |
199 | var message; | |
200 | var re = /^\/([a-z]+) (.*)/ | |
201 | var match = re.exec(input); | |
202 | if (match && match[1] == 'me') { | |
203 | message = "* " + rcnick() + " " + match[2]; | |
204 | } else if (match && match[1] == 'nick') { | |
205 | message = "*** " + rcnick() + " is now known as " + match[2]; | |
206 | rcsetnick(match[2]); | |
207 | } else { | |
208 | message = "<" + rcnick() + "> " + input; | |
209 | } | |
210 | ||
211 | var d = rcaddmessagetohistory(message); | |
212 | rcsend(d, message); | |
213 | } | |
214 | ||
0248a518 SW |
215 | function rckeydown(event) { |
216 | if (event.keyCode == 13) { | |
5a6c082a | 217 | rcinput(document.input.say.value); |
0248a518 SW |
218 | document.input.say.value = ""; |
219 | ||
0248a518 SW |
220 | } |
221 | } | |
222 | //--><!]]></script> | |
223 | ||
827f21bb SW |
224 | </head> |
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> |
238 | </html> |