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 var first_run = true;
  10
  11 var search_query = "";
  12
  13 /*@cc_on @*/
  14 /*@if (@_jscript_version >= 5)
  15 // JScript gives us Conditional compilation, we can cope with old IE versions.
  16 // and security blocked creation of the objects.
  17 try {
  18         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  19 } catch (e) {
  20         try {
  21                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  22         } catch (E) {
  23                 xmlhttp = false;
  24         }
  25 }
  26 @end @*/
  27
  28 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  29         xmlhttp = new XMLHttpRequest();
  30 }
  31
  32 /*
  33 function feedlist_callback() {
  34         var container = document.getElementById('feeds');
  35         if (xmlhttp.readyState == 4) {
  36                 container.innerHTML=xmlhttp.responseText;
  37
  38                 if (first_run) {
  39                         scheduleFeedUpdate(false);
  40                         if (getCookie("ttrss_vf_actfeed")) {
  41                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  42                         }
  43                         first_run = false;
  44                 } else {
  45                         notify("");
  46                 }
  47         }
  48 }
  49 */
  50
  51 function refetch_callback() {
  52         if (xmlhttp.readyState == 4) {
  53
  54                 document.title = "Tiny Tiny RSS";
  55                 notify("All feeds updated.");
  56
  57                 var reply = xmlhttp.responseXML.firstChild;
  58
  59                 var f_document = window.frames["feeds-frame"].document;
  60
  61                 for (var l = 0; l < reply.childNodes.length; l++) {
  62                         var id = reply.childNodes[l].getAttribute("id");
  63                         var ctr = reply.childNodes[l].getAttribute("counter");
  64
  65                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  66                         var feedu = f_document.getElementById("FEEDU-" + id);
  67                         var feedr = f_document.getElementById("FEEDR-" + id);
  68
  69                         feedu.innerHTML = ctr;
  70
  71                         if (ctr > 0) {
  72                                 feedctr.className = "odd";
  73                                 if (id > 0 && !feedr.className.match("Unread")) {
  74                                         feedr.className = feedr.className + "Unread";
  75                                 }
  76                         } else {
  77                                 feedctr.className = "invisible";
  78                                 feedr.className = feedr.className.replace("Unread", "");
  79                         }
  80                 }
  81         }
  82 }
  83
  84 function updateFeed(feed_id) {
  85
  86         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
  87
  88         if (xmlhttp_ready(xmlhttp)) {
  89                 xmlhttp.open("GET", query_str, true);
  90                 xmlhttp.onreadystatechange=feed_update_callback;
  91                 xmlhttp.send(null);
  92         } else {
  93                 printLockingError();
  94         }
  95
  96 }
  97
  98 function scheduleFeedUpdate(force) {
  99
 100         notify("Updating feeds in background...");
 101
 102         document.title = "Tiny Tiny RSS - Updating...";
 103
 104         var query_str = "backend.php?op=rpc&subop=";
 105
 106         if (force) {
 107                 query_str = query_str + "forceUpdateAllFeeds";
 108         } else {
 109                 query_str = query_str + "updateAllFeeds";
 110         }
 111
 112         if (xmlhttp_ready(xmlhttp)) {
 113                 xmlhttp.open("GET", query_str, true);
 114                 xmlhttp.onreadystatechange=refetch_callback;
 115                 xmlhttp.send(null);
 116         } else {
 117                 printLockingError();
 118         }
 119 }
 120
 121 function updateFeedList(silent, fetch) {
 122
 123 //      if (silent != true) {
 124 //              notify("Loading feed list...");
 125 //      }
 126
 127         var query_str = "backend.php?op=feeds";
 128
 129         if (getActiveFeedId()) {
 130                 query_str = query_str + "&actid=" + getActiveFeedId();
 131         }
 132
 133         if (fetch) query_str = query_str + "&fetch=yes";
 134
 135         var feeds_frame = document.getElementById("feeds-frame");
 136
 137         feeds_frame.src = query_str;
 138 }
 139
 140 function catchupAllFeeds() {
 141
 142         var query_str = "backend.php?op=feeds&subop=catchupAll";
 143
 144         notify("Marking all feeds as read...");
 145
 146         var feeds_frame = document.getElementById("feeds-frame");
 147
 148         feeds_frame.src = query_str;
 149
 150 }
 151
 152 function viewCurrentFeed(skip, subop) {
 153
 154         if (getActiveFeedId()) {
 155                 viewfeed(getActiveFeedId(), skip, subop);
 156         }
 157 }
 158
 159 function viewfeed(feed, skip, subop) {
 160
 161 //      notify("Loading headlines...");
 162
 163         enableHotkeys();
 164
 165         var searchbox = document.getElementById("searchbox");
 166
 167         if (searchbox) {
 168                 search_query = searchbox.value;
 169         } else {
 170                 search_query = "";
 171         }
 172
 173         var viewbox = document.getElementById("viewbox");
 174
 175         var view_mode;
 176
 177         if (viewbox) {
 178                 view_mode = viewbox[viewbox.selectedIndex].text;
 179         } else {
 180                 view_mode = "All Posts";
 181         }
 182
 183         setCookie("ttrss_vf_vmode", view_mode);
 184
 185         var limitbox = document.getElementById("limitbox");
 186
 187         var limit;
 188
 189         if (limitbox) {
 190                 limit = limitbox[limitbox.selectedIndex].text;
 191                 setCookie("ttrss_vf_limit", limit);
 192         } else {
 193                 limit = "All";
 194         }
 195
 196         setActiveFeedId(feed);
 197
 198         var f_doc = frames["feeds-frame"].document;
 199
 200 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 201
 202         if (subop == "MarkAllRead") {
 203
 204                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 205                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 206
 207                 feedctr.className = "invisible";
 208
 209                 if (feedr.className.match("Unread")) {
 210                         feedr.className = feedr.className.replace("Unread", "");
 211                 }
 212         }
 213
 214         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 215                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 216                 "&view=" + param_escape(view_mode) + "&limit=" + limit;
 217
 218         if (search_query != "") {
 219                 query = query + "&search=" + param_escape(search_query);
 220         }
 221
 222         var headlines_frame = parent.frames["headlines-frame"];
 223
 224         headlines_frame.location.href = query + "&addheader=true";
 225
 226         cleanSelected("feedsList");
 227         var feedr = document.getElementById("FEEDR-" + feed);
 228         if (feedr) {
 229                 feedr.className = feedr.className + "Selected";
 230         }
 231
 232         disableContainerChildren("headlinesToolbar", false, doc);
 233
 234 //      notify("");
 235
 236 }
 237
 238
 239 function timeout() {
 240         scheduleFeedUpdate(true);
 241         setTimeout("timeout()", 1800*1000);
 242 }
 243
 244 function resetSearch() {
 245         var searchbox = document.getElementById("searchbox")
 246
 247         if (searchbox.value != "" && getActiveFeedId()) {
 248                 searchbox.value = "";
 249                 viewfeed(getActiveFeedId(), 0, "");
 250         }
 251 }
 252
 253 function search() {
 254         checkActiveFeedId();
 255         if (getActiveFeedId()) {
 256                 viewfeed(getActiveFeedId(), 0, "");
 257         } else {
 258                 notify("Please select some feed first.");
 259         }
 260 }
 261
 262 function localPiggieFunction(enable) {
 263         if (enable) {
 264                 var query_str = "backend.php?op=feeds&subop=piggie";
 265
 266                 if (xmlhttp_ready(xmlhttp)) {
 267
 268                         xmlhttp.open("GET", query_str, true);
 269                         xmlhttp.onreadystatechange=feedlist_callback;
 270                         xmlhttp.send(null);
 271                 }
 272         }
 273 }
 274
 275 function localHotkeyHandler(keycode) {
 276
 277 /*      if (keycode == 78) {
 278                 return moveToPost('next');
 279         }
 280
 281         if (keycode == 80) {
 282                 return moveToPost('prev');
 283         } */
 284
 285         if (keycode == 82) {
 286                 return scheduleFeedUpdate(true);
 287         }
 288
 289         if (keycode == 85) {
 290                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 291         }
 292
 293 //      notify("KC: " + keycode);
 294
 295 }
 296
 297 function genericSanityCheck() {
 298
 299         if (!xmlhttp) {
 300                 document.getElementById("headlines").innerHTML =
 301                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 302                         "to function properly. Your browser doesn't seem to support it.";
 303                 return false;
 304         }
 305
 306         setCookie("ttrss_vf_test", "TEST");
 307         if (getCookie("ttrss_vf_test") != "TEST") {
 308
 309                 document.getElementById("headlines").innerHTML =
 310                         "<b>Fatal error:</b> This program requires cookies " +
 311                         "to function properly. Your browser doesn't seem to support them.";
 312
 313                 return false;
 314         }
 315
 316         return true;
 317 }
 318
 319 function init() {
 320
 321         disableContainerChildren("headlinesToolbar", true);
 322
 323         if (!genericSanityCheck())
 324                 return;
 325
 326         updateFeedList(false, false);
 327         document.onkeydown = hotkey_handler;
 328
 329         setTimeout("timeout()", 1800*1000);
 330         scheduleFeedUpdate(true);
 331
 332         var content = document.getElementById("content");
 333
 334         if (getCookie("ttrss_vf_vmode")) {
 335                 var viewbox = document.getElementById("viewbox");
 336                 viewbox.value = getCookie("ttrss_vf_vmode");
 337         }
 338
 339         if (getCookie("ttrss_vf_limit")) {
 340                 var limitbox = document.getElementById("limitbox");
 341                 limitbox.value = getCookie("ttrss_vf_limit");
 342         }
 343
 344 //      if (getCookie("ttrss_vf_actfeed")) {
 345 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 346 //      }
 347
 348         setCookie("ttrss_vf_actfeed", "");
 349
 350 }
 351
 352