tt-rss.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7
   8 /*@cc_on @*/
   9 /*@if (@_jscript_version >= 5)
  10 // JScript gives us Conditional compilation, we can cope with old IE versions.
  11 // and security blocked creation of the objects.
  12 try {
  13         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  14 } catch (e) {
  15         try {
  16                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  17         } catch (E) {
  18                 xmlhttp = false;
  19         }
  20 }
  21 @end @*/
  22
  23 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  24         xmlhttp = new XMLHttpRequest();
  25 }
  26
  27 function param_escape(arg) {
  28         if (typeof encodeURIComponent != 'undefined')
  29                 return encodeURIComponent(arg);
  30         else
  31                 return escape(arg);
  32 }
  33
  34 function param_unescape(arg) {
  35         if (typeof decodeURIComponent != 'undefined')
  36                 return decodeURIComponent(arg);
  37         else
  38                 return unescape(arg);
  39 }
  40
  41 function notify(msg) {
  42
  43         var n = document.getElementById("notify");
  44
  45         n.innerHTML = msg;
  46
  47 }
  48
  49 function feedlist_callback() {
  50         var container = document.getElementById('feeds');
  51         if (xmlhttp.readyState == 4) {
  52                 container.innerHTML=xmlhttp.responseText;
  53         }
  54 }
  55
  56 function viewfeed_callback() {
  57         var container = document.getElementById('headlines');
  58         if (xmlhttp.readyState == 4) {
  59                 container.innerHTML = xmlhttp.responseText;
  60
  61                 var factive = document.getElementById("FACTIVE");
  62                 var funread = document.getElementById("FUNREAD");
  63                 var ftotal = document.getElementById("FTOTAL");
  64
  65                 if (ftotal && factive && funread) {
  66                         var feed_id = factive.innerHTML;
  67
  68                         var feedr = document.getElementById("FEEDR-" + feed_id);
  69                         var feedt = document.getElementById("FEEDT-" + feed_id);
  70                         var feedu = document.getElementById("FEEDU-" + feed_id);
  71
  72                         feedt.innerHTML = ftotal.innerHTML;
  73                         feedu.innerHTML = funread.innerHTML;
  74
  75                         if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
  76                                         feedr.className = feedr.className + "Unread";
  77                         } else if (feedu.innerHTML <= 0) {
  78                                         feedr.className = feedr.className.replace("Unread", "");
  79                         }
  80
  81                 }
  82         }
  83 }
  84
  85 function view_callback() {
  86         var container = document.getElementById('content');
  87         if (xmlhttp.readyState == 4) {
  88                 container.innerHTML=xmlhttp.responseText;
  89         }
  90 }
  91
  92
  93 function update_feed_list(called_from_timer) {
  94
  95         if (called_from_timer != true) {
  96                 document.getElementById("feeds").innerHTML = "Updating feeds, please wait...";
  97         }
  98
  99         xmlhttp.open("GET", "backend.php?op=feeds", true);
 100         xmlhttp.onreadystatechange=feedlist_callback;
 101         xmlhttp.send(null);
 102
 103
 104 }
 105
 106 function viewfeed(feed, skip, ext) {
 107
 108         notify("view-feed: " + feed);
 109
 110         document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
 111         document.getElementById('content').innerHTML='&nbsp;';
 112
 113         xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 114                 "&skip=" + param_escape(skip) + "&ext=" + param_escape(ext) , true);
 115         xmlhttp.onreadystatechange=viewfeed_callback;
 116         xmlhttp.send(null);
 117
 118 }
 119
 120 function view(id,feed_id) {
 121
 122         var crow = document.getElementById("RROW-" + id);
 123
 124         if (crow.className.match("Unread")) {
 125                 var umark = document.getElementById("FEEDU-" + feed_id);
 126                 umark.innerHTML = umark.innerHTML - 1;
 127                 crow.className = crow.className.replace("Unread", "");
 128
 129                 if (umark.innerHTML == "0") {
 130                         var feedr = document.getElementById("FEEDR-" + feed_id);
 131                         feedr.className = feedr.className.replace("Unread", "");
 132                 }
 133         }
 134
 135         document.getElementById('content').innerHTML='Loading, please wait...';
 136
 137         xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
 138         xmlhttp.onreadystatechange=view_callback;
 139         xmlhttp.send(null);
 140
 141 }
 142
 143 function timeout() {
 144
 145         update_feed_list(true);
 146
 147         setTimeout("timeout()", 120*1000);
 148
 149 }
 150
 151 function init() {
 152
 153         notify("init");
 154
 155         update_feed_list();
 156
 157         setTimeout("timeout()", 120*1000);
 158
 159 }