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