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 var total_unread = 0;
   9
  10 /*@cc_on @*/
  11 /*@if (@_jscript_version >= 5)
  12 // JScript gives us Conditional compilation, we can cope with old IE versions.
  13 // and security blocked creation of the objects.
  14 try {
  15         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  16 } catch (e) {
  17         try {
  18                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  19         } catch (E) {
  20                 xmlhttp = false;
  21         }
  22 }
  23 @end @*/
  24
  25 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  26         xmlhttp = new XMLHttpRequest();
  27 }
  28
  29 function notify_callback() {
  30         var container = document.getElementById('notify');
  31         if (xmlhttp.readyState == 4) {
  32                 container.innerHTML=xmlhttp.responseText;
  33         }
  34 }
  35
  36 function feedlist_callback() {
  37         var container = document.getElementById('feeds');
  38         if (xmlhttp.readyState == 4) {
  39                 container.innerHTML=xmlhttp.responseText;
  40
  41                 var feedtu = document.getElementById("FEEDTU");
  42
  43                 if (feedtu) {
  44                         total_unread = feedtu.innerHTML;
  45                         update_title();
  46                 }
  47
  48                 notify("");
  49         }
  50 }
  51
  52 function viewfeed_callback() {
  53         var container = document.getElementById('headlines');
  54         if (xmlhttp.readyState == 4) {
  55                 container.innerHTML = xmlhttp.responseText;
  56
  57                 var factive = document.getElementById("FACTIVE");
  58                 var funread = document.getElementById("FUNREAD");
  59                 var ftotal = document.getElementById("FTOTAL");
  60
  61                 if (ftotal && factive && funread) {
  62                         var feed_id = factive.innerHTML;
  63
  64                         var feedr = document.getElementById("FEEDR-" + feed_id);
  65                         var feedt = document.getElementById("FEEDT-" + feed_id);
  66                         var feedu = document.getElementById("FEEDU-" + feed_id);
  67
  68                         feedt.innerHTML = ftotal.innerHTML;
  69                         feedu.innerHTML = funread.innerHTML;
  70
  71                         if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
  72                                         feedr.className = feedr.className + "Unread";
  73                         } else if (feedu.innerHTML <= 0) {
  74                                         feedr.className = feedr.className.replace("Unread", "");
  75                         }
  76
  77                 }
  78
  79                 notify("");
  80
  81         }
  82 }
  83
  84 function view_callback() {
  85         var container = document.getElementById('content');
  86         if (xmlhttp.readyState == 4) {
  87                 container.innerHTML=xmlhttp.responseText;
  88         }
  89 }
  90
  91
  92 function updateFeedList(called_from_timer, fetch) {
  93
  94         if (called_from_timer != true) {
  95                 //document.getElementById("feeds").innerHTML = "Loading feeds, please wait...";
  96                 notify("Updating feeds...");
  97         }
  98
  99         var query_str = "backend.php?op=feeds";
 100
 101         if (fetch) query_str = query_str + "&fetch=yes";
 102
 103         xmlhttp.open("GET", query_str, true);
 104         xmlhttp.onreadystatechange=feedlist_callback;
 105         xmlhttp.send(null);
 106
 107 }
 108
 109 function catchupPage(feed) {
 110
 111         var content = document.getElementById("headlinesList");
 112
 113         var rows = new Array();
 114
 115         for (i = 0; i < content.rows.length; i++) {
 116                 var row_id = content.rows[i].id.replace("RROW-", "");
 117                 if (row_id.length > 0) {
 118                         rows.push(row_id);
 119                         content.rows[i].className = content.rows[i].className.replace("Unread", "");
 120                 }
 121         }
 122
 123         var feedr = document.getElementById("FEEDR-" + feed);
 124         var feedu = document.getElementById("FEEDU-" + feed);
 125
 126         feedu.innerHTML = feedu.innerHTML - rows.length;
 127
 128         if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
 129                         feedr.className = feedr.className + "Unread";
 130         } else if (feedu.innerHTML <= 0) {
 131                         feedr.className = feedr.className.replace("Unread", "");
 132         }
 133
 134         var query_str = "backend.php?op=rpc&subop=catchupPage&ids=" +
 135                 param_escape(rows.toString());
 136
 137         notify("Marking this page as read...");
 138
 139         xmlhttp.open("GET", query_str, true);
 140         xmlhttp.onreadystatechange=notify_callback;
 141         xmlhttp.send(null);
 142
 143 }
 144
 145 function catchupAllFeeds() {
 146         var query_str = "backend.php?op=feeds&subop=catchupAll";
 147
 148         notify("Marking all feeds as read...");
 149
 150         xmlhttp.open("GET", query_str, true);
 151         xmlhttp.onreadystatechange=feedlist_callback;
 152         xmlhttp.send(null);
 153
 154 }
 155
 156 function viewfeed(feed, skip, subop) {
 157
 158 //      document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
 159 //      document.getElementById('content').innerHTML='&nbsp;';
 160
 161         xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 162                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) , true);
 163         xmlhttp.onreadystatechange=viewfeed_callback;
 164         xmlhttp.send(null);
 165
 166         notify("Loading headlines...");
 167
 168 }
 169
 170 function view(id,feed_id) {
 171
 172         var crow = document.getElementById("RROW-" + id);
 173
 174         if (crow.className.match("Unread")) {
 175                 var umark = document.getElementById("FEEDU-" + feed_id);
 176                 umark.innerHTML = umark.innerHTML - 1;
 177                 crow.className = crow.className.replace("Unread", "");
 178
 179                 if (umark.innerHTML == "0") {
 180                         var feedr = document.getElementById("FEEDR-" + feed_id);
 181                         feedr.className = feedr.className.replace("Unread", "");
 182                 }
 183
 184                 total_unread--;
 185
 186                 update_title();
 187         }
 188
 189         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 190
 191         if (upd_img_pic) {
 192                 upd_img_pic.innerHTML = "";
 193         }
 194
 195         document.getElementById('content').innerHTML='Loading, please wait...';
 196
 197         xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
 198         xmlhttp.onreadystatechange=view_callback;
 199         xmlhttp.send(null);
 200
 201 }
 202
 203 function timeout() {
 204
 205         updateFeedList(true, true);
 206
 207         setTimeout("timeout()", 1800*1000);
 208
 209 }
 210
 211 function search(feed, sender) {
 212
 213         notify("Search: " + feed + ", " + sender.value)
 214
 215         document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
 216         document.getElementById('content').innerHTML='&nbsp;';
 217
 218         xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 219                 "&search=" + param_escape(sender.value) + "&ext=SEARCH", true);
 220         xmlhttp.onreadystatechange=viewfeed_callback;
 221         xmlhttp.send(null);
 222
 223 }
 224
 225 function update_title() {
 226         //document.title = "Tiny Tiny RSS (" + total_unread + " unread)";
 227 }
 228
 229 function init() {
 230         updateFeedList(false, false);
 231         setTimeout("timeout()", 1800*1000);
 232 }