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 var xmlhttp_rpc = false;
   8
   9 var total_unread = 0;
  10 var first_run = true;
  11
  12 /*@cc_on @*/
  13 /*@if (@_jscript_version >= 5)
  14 // JScript gives us Conditional compilation, we can cope with old IE versions.
  15 // and security blocked creation of the objects.
  16 try {
  17         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  18 } catch (e) {
  19         try {
  20                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  21                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  22         } catch (E) {
  23                 xmlhttp = false;
  24                 xmlhttp_rpc = false;
  25         }
  26 }
  27 @end @*/
  28
  29 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  30         xmlhttp = new XMLHttpRequest();
  31         xmlhttp_rpc = new XMLHttpRequest();
  32
  33 }
  34
  35 function notify_callback() {
  36         var container = document.getElementById('notify');
  37         if (xmlhttp.readyState == 4) {
  38                 container.innerHTML=xmlhttp.responseText;
  39         }
  40 }
  41
  42 function feedlist_callback() {
  43         var container = document.getElementById('feeds');
  44         if (xmlhttp.readyState == 4) {
  45                 container.innerHTML=xmlhttp.responseText;
  46
  47 //              var feedtu = document.getElementById("FEEDTU");
  48 //              if (feedtu) {
  49 //                      total_unread = feedtu.innerHTML;
  50 //                      update_title();
  51 //              }
  52
  53                 if (first_run) {
  54                         scheduleFeedUpdate(false);
  55                         first_run = false;
  56                 } else {
  57                         notify("");
  58                 }
  59         }
  60 }
  61
  62 function viewfeed_callback() {
  63         var container = document.getElementById('headlines');
  64         if (xmlhttp.readyState == 4) {
  65                 container.innerHTML = xmlhttp.responseText;
  66
  67                 var factive = document.getElementById("FACTIVE");
  68                 var funread = document.getElementById("FUNREAD");
  69                 var ftotal = document.getElementById("FTOTAL");
  70
  71                 if (ftotal && factive && funread) {
  72                         var feed_id = factive.innerHTML;
  73
  74                         var feedr = document.getElementById("FEEDR-" + feed_id);
  75                         var feedt = document.getElementById("FEEDT-" + feed_id);
  76                         var feedu = document.getElementById("FEEDU-" + feed_id);
  77
  78                         feedt.innerHTML = ftotal.innerHTML;
  79                         feedu.innerHTML = funread.innerHTML;
  80
  81                         if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
  82                                         feedr.className = feedr.className + "Unread";
  83                         } else if (feedu.innerHTML <= 0) {
  84                                         feedr.className = feedr.className.replace("Unread", "");
  85                         }
  86
  87                 }
  88
  89                 notify("");
  90
  91         }
  92 }
  93
  94 function view_callback() {
  95         var container = document.getElementById('content');
  96         if (xmlhttp.readyState == 4) {
  97                 container.innerHTML=xmlhttp.responseText;
  98         }
  99 }
 100
 101 function refetch_callback() {
 102         if (xmlhttp_rpc.readyState == 4) {
 103                 notify("All feeds updated");
 104
 105                 var container = document.getElementById('feeds');
 106
 107                 container.innerHTML = xmlhttp_rpc.responseText;
 108
 109                 document.title = "Tiny Tiny RSS";
 110
 111                 //updateFeedList(true, false);
 112         }
 113 }
 114
 115 function scheduleFeedUpdate(force) {
 116
 117         notify("Updating feeds in background...");
 118
 119         document.title = "Tiny Tiny RSS - Updating...";
 120
 121         var query_str = "backend.php?op=rpc&subop=";
 122
 123         if (force) {
 124                 query_str = query_str + "forceUpdateAllFeeds";
 125         } else {
 126                 query_str = query_str + "updateAllFeeds";
 127         }
 128
 129         if (xmlhttp_rpc.readyState == 4 || xmlhttp_rpc.readyState == 0) {
 130                 xmlhttp_rpc.open("GET", query_str, true);
 131                 xmlhttp_rpc.onreadystatechange=refetch_callback;
 132                 xmlhttp_rpc.send(null);
 133         } else {
 134                 printLockingError();
 135         }
 136 }
 137
 138 function updateFeedList(silent, fetch) {
 139
 140         if (silent != true) {
 141                 notify("Loading feed list...");
 142         }
 143
 144         var query_str = "backend.php?op=feeds";
 145
 146         if (fetch) query_str = query_str + "&fetch=yes";
 147
 148         if (xmlhttp.readyState == 4 || xmlhttp.readyState == 0) {
 149                 xmlhttp.open("GET", query_str, true);
 150                 xmlhttp.onreadystatechange=feedlist_callback;
 151                 xmlhttp.send(null);
 152         } else {
 153                 printLockingError();
 154         }
 155 }
 156
 157 function catchupPage(feed) {
 158
 159         if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
 160                 printLockingError();
 161                 return
 162         }
 163
 164         var content = document.getElementById("headlinesList");
 165
 166         var rows = new Array();
 167
 168         for (i = 0; i < content.rows.length; i++) {
 169                 var row_id = content.rows[i].id.replace("RROW-", "");
 170                 if (row_id.length > 0) {
 171                         if (content.rows[i].className.match("Unread")) {
 172                                 rows.push(row_id);
 173                                 content.rows[i].className = content.rows[i].className.replace("Unread", "");
 174                         }
 175                 }
 176         }
 177
 178         if (rows.length > 0) {
 179
 180                 var feedr = document.getElementById("FEEDR-" + feed);
 181                 var feedu = document.getElementById("FEEDU-" + feed);
 182
 183                 feedu.innerHTML = feedu.innerHTML - rows.length;
 184
 185                 if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
 186                                 feedr.className = feedr.className + "Unread";
 187                 } else if (feedu.innerHTML <= 0) {
 188                                 feedr.className = feedr.className.replace("Unread", "");
 189                 }
 190
 191                 var query_str = "backend.php?op=rpc&subop=catchupPage&ids=" +
 192                         param_escape(rows.toString());
 193
 194                 notify("Marking this page as read...");
 195
 196                 xmlhttp.open("GET", query_str, true);
 197                 xmlhttp.onreadystatechange=notify_callback;
 198                 xmlhttp.send(null);
 199
 200         } else {
 201                 notify("No unread items on this page.");
 202
 203         }
 204 }
 205
 206 function catchupAllFeeds() {
 207
 208         if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
 209                 printLockingError();
 210                 return
 211         }
 212         var query_str = "backend.php?op=feeds&subop=catchupAll";
 213
 214         notify("Marking all feeds as read...");
 215
 216         xmlhttp.open("GET", query_str, true);
 217         xmlhttp.onreadystatechange=feedlist_callback;
 218         xmlhttp.send(null);
 219
 220 }
 221
 222 function viewfeed(feed, skip, subop) {
 223
 224 //      document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
 225 //      document.getElementById('content').innerHTML='&nbsp;';
 226
 227         if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
 228                 printLockingError();
 229                 return
 230         }
 231
 232         xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 233                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) , true);
 234         xmlhttp.onreadystatechange=viewfeed_callback;
 235         xmlhttp.send(null);
 236
 237         notify("Loading headlines...");
 238
 239 }
 240
 241 function view(id,feed_id) {
 242
 243         if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
 244                 printLockingError();
 245                 return
 246         }
 247
 248         var crow = document.getElementById("RROW-" + id);
 249
 250         if (crow.className.match("Unread")) {
 251                 var umark = document.getElementById("FEEDU-" + feed_id);
 252                 umark.innerHTML = umark.innerHTML - 1;
 253                 crow.className = crow.className.replace("Unread", "");
 254
 255                 if (umark.innerHTML == "0") {
 256                         var feedr = document.getElementById("FEEDR-" + feed_id);
 257                         feedr.className = feedr.className.replace("Unread", "");
 258                 }
 259
 260                 total_unread--;
 261
 262                 update_title();
 263         }
 264
 265         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 266
 267         if (upd_img_pic) {
 268                 upd_img_pic.innerHTML = "";
 269         }
 270
 271         document.getElementById('content').innerHTML='Loading, please wait...';
 272
 273         xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
 274         xmlhttp.onreadystatechange=view_callback;
 275         xmlhttp.send(null);
 276
 277 }
 278
 279 function timeout() {
 280
 281         scheduleFeedUpdate(true);
 282
 283         setTimeout("timeout()", 1800*1000);
 284
 285 }
 286
 287 function search(feed, sender) {
 288
 289         if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
 290                 printLockingError();
 291                 return
 292         }
 293
 294         notify("Search: " + feed + ", " + sender.value)
 295
 296         document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
 297         document.getElementById('content').innerHTML='&nbsp;';
 298
 299         xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 300                 "&search=" + param_escape(sender.value) + "&ext=SEARCH", true);
 301         xmlhttp.onreadystatechange=viewfeed_callback;
 302         xmlhttp.send(null);
 303
 304 }
 305
 306 function update_title() {
 307         //document.title = "Tiny Tiny RSS (" + total_unread + " unread)";
 308 }
 309
 310 function init() {
 311         updateFeedList(false, false);
 312         setTimeout("timeout()", 1800*1000);
 313 }