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 var display_tags = false;
  14
  15 /*@cc_on @*/
  16 /*@if (@_jscript_version >= 5)
  17 // JScript gives us Conditional compilation, we can cope with old IE versions.
  18 // and security blocked creation of the objects.
  19 try {
  20         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  21 } catch (e) {
  22         try {
  23                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  24         } catch (E) {
  25                 xmlhttp = false;
  26         }
  27 }
  28 @end @*/
  29
  30 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  31         xmlhttp = new XMLHttpRequest();
  32 }
  33
  34 function toggleTags() {
  35         display_tags = !display_tags;
  36
  37         var p = document.getElementById("dispSwitchPrompt");
  38
  39         if (display_tags) {
  40                 p.innerHTML = "display feeds";
  41         } else {
  42                 p.innerHTML = "display tags";
  43         }
  44
  45         updateFeedList();
  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                 if (first_run) {
  55                         scheduleFeedUpdate(false);
  56                         if (getCookie("ttrss_vf_actfeed")) {
  57                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  58                         }
  59                         first_run = false;
  60                 } else {
  61                         notify("");
  62                 }
  63         }
  64 }
  65 */
  66
  67 function refetch_callback() {
  68         if (xmlhttp.readyState == 4) {
  69
  70                 document.title = "Tiny Tiny RSS";
  71                 notify("All feeds updated.");
  72
  73                 if (!xmlhttp.responseXML) {
  74                         notify("refetch_callback: backend did not return valid XML");
  75                         return;
  76                 }
  77
  78                 var reply = xmlhttp.responseXML.firstChild;
  79
  80                 if (!reply) {
  81                         notify("refetch_callback: backend did not return expected XML object");
  82                         return;
  83                 }
  84
  85                 var f_document = window.frames["feeds-frame"].document;
  86
  87                 for (var l = 0; l < reply.childNodes.length; l++) {
  88                         var id = reply.childNodes[l].getAttribute("id");
  89                         var ctr = reply.childNodes[l].getAttribute("counter");
  90
  91                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  92                         var feedu = f_document.getElementById("FEEDU-" + id);
  93                         var feedr = f_document.getElementById("FEEDR-" + id);
  94
  95                         if (feedctr && feedu && feedr) {
  96
  97                                 feedu.innerHTML = ctr;
  98
  99                                 if (ctr > 0) {
 100                                         feedctr.className = "odd";
 101                                         if (!feedr.className.match("Unread")) {
 102                                                 feedr.className = feedr.className + "Unread";
 103                                         }
 104                                 } else {
 105                                         feedctr.className = "invisible";
 106                                         feedr.className = feedr.className.replace("Unread", "");
 107                                 }
 108                         }
 109                 }
 110         }
 111 }
 112
 113 function updateFeed(feed_id) {
 114
 115         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 116
 117         if (xmlhttp_ready(xmlhttp)) {
 118                 xmlhttp.open("GET", query_str, true);
 119                 xmlhttp.onreadystatechange=feed_update_callback;
 120                 xmlhttp.send(null);
 121         } else {
 122                 printLockingError();
 123         }
 124
 125 }
 126
 127 function scheduleFeedUpdate(force) {
 128
 129         notify("Updating feeds in background...");
 130
 131         document.title = "Tiny Tiny RSS - Updating...";
 132
 133         var query_str = "backend.php?op=rpc&subop=";
 134
 135         if (force) {
 136                 query_str = query_str + "forceUpdateAllFeeds";
 137         } else {
 138                 query_str = query_str + "updateAllFeeds";
 139         }
 140
 141         if (xmlhttp_ready(xmlhttp)) {
 142                 xmlhttp.open("GET", query_str, true);
 143                 xmlhttp.onreadystatechange=refetch_callback;
 144                 xmlhttp.send(null);
 145         } else {
 146                 printLockingError();
 147         }
 148 }
 149
 150 function updateFeedList(silent, fetch) {
 151
 152 //      if (silent != true) {
 153 //              notify("Loading feed list...");
 154 //      }
 155
 156         var query_str = "backend.php?op=feeds";
 157
 158         if (display_tags) {
 159                 query_str = query_str + "&tags=1";
 160         }
 161
 162         if (getActiveFeedId()) {
 163                 query_str = query_str + "&actid=" + getActiveFeedId();
 164         }
 165
 166         if (fetch) query_str = query_str + "&fetch=yes";
 167
 168         var feeds_frame = document.getElementById("feeds-frame");
 169
 170         feeds_frame.src = query_str;
 171 }
 172
 173 function catchupAllFeeds() {
 174
 175         var query_str = "backend.php?op=feeds&subop=catchupAll";
 176
 177         notify("Marking all feeds as read...");
 178
 179         var feeds_frame = document.getElementById("feeds-frame");
 180
 181         feeds_frame.src = query_str;
 182
 183 }
 184
 185 function viewCurrentFeed(skip, subop) {
 186
 187         if (getActiveFeedId()) {
 188                 viewfeed(getActiveFeedId(), skip, subop);
 189         }
 190 }
 191
 192 function viewfeed(feed, skip, subop) {
 193
 194 //      notify("Loading headlines...");
 195
 196         enableHotkeys();
 197
 198         var searchbox = document.getElementById("searchbox");
 199
 200         if (searchbox) {
 201                 search_query = searchbox.value;
 202         } else {
 203                 search_query = "";
 204         }
 205
 206         var viewbox = document.getElementById("viewbox");
 207
 208         var view_mode;
 209
 210         if (viewbox) {
 211                 view_mode = viewbox[viewbox.selectedIndex].text;
 212         } else {
 213                 view_mode = "All Posts";
 214         }
 215
 216         setCookie("ttrss_vf_vmode", view_mode);
 217
 218         var limitbox = document.getElementById("limitbox");
 219
 220         var limit;
 221
 222         if (limitbox) {
 223                 limit = limitbox[limitbox.selectedIndex].text;
 224                 setCookie("ttrss_vf_limit", limit);
 225         } else {
 226                 limit = "All";
 227         }
 228
 229         setActiveFeedId(feed);
 230
 231         var f_doc = frames["feeds-frame"].document;
 232
 233 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 234
 235         if (subop == "MarkAllRead") {
 236
 237                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 238                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 239
 240                 feedctr.className = "invisible";
 241
 242                 if (feedr.className.match("Unread")) {
 243                         feedr.className = feedr.className.replace("Unread", "");
 244                 }
 245         }
 246
 247         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 248                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 249                 "&view=" + param_escape(view_mode) + "&limit=" + limit;
 250
 251         if (search_query != "") {
 252                 query = query + "&search=" + param_escape(search_query);
 253         }
 254
 255         var headlines_frame = parent.frames["headlines-frame"];
 256
 257         headlines_frame.location.href = query + "&addheader=true";
 258
 259         cleanSelected("feedsList");
 260         var feedr = document.getElementById("FEEDR-" + feed);
 261         if (feedr) {
 262                 feedr.className = feedr.className + "Selected";
 263         }
 264
 265         disableContainerChildren("headlinesToolbar", false, doc);
 266
 267 //      notify("");
 268
 269 }
 270
 271
 272 function timeout() {
 273         scheduleFeedUpdate(true);
 274         setTimeout("timeout()", 1800*1000);
 275 }
 276
 277 function resetSearch() {
 278         var searchbox = document.getElementById("searchbox")
 279
 280         if (searchbox.value != "" && getActiveFeedId()) {
 281                 searchbox.value = "";
 282                 viewfeed(getActiveFeedId(), 0, "");
 283         }
 284 }
 285
 286 function search() {
 287         viewCurrentFeed(0, "");
 288 }
 289
 290 function localPiggieFunction(enable) {
 291         if (enable) {
 292                 var query_str = "backend.php?op=feeds&subop=piggie";
 293
 294                 if (xmlhttp_ready(xmlhttp)) {
 295
 296                         xmlhttp.open("GET", query_str, true);
 297                         xmlhttp.onreadystatechange=feedlist_callback;
 298                         xmlhttp.send(null);
 299                 }
 300         }
 301 }
 302
 303 function localHotkeyHandler(keycode) {
 304
 305 /*      if (keycode == 78) {
 306                 return moveToPost('next');
 307         }
 308
 309         if (keycode == 80) {
 310                 return moveToPost('prev');
 311         } */
 312
 313         if (keycode == 82) {
 314                 return scheduleFeedUpdate(true);
 315         }
 316
 317         if (keycode == 85) {
 318                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 319         }
 320
 321 //      notify("KC: " + keycode);
 322
 323 }
 324
 325 function genericSanityCheck() {
 326
 327         if (!xmlhttp) {
 328                 document.getElementById("headlines").innerHTML =
 329                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 330                         "to function properly. Your browser doesn't seem to support it.";
 331                 return false;
 332         }
 333
 334         setCookie("ttrss_vf_test", "TEST");
 335         if (getCookie("ttrss_vf_test") != "TEST") {
 336
 337                 document.getElementById("headlines").innerHTML =
 338                         "<b>Fatal error:</b> This program requires cookies " +
 339                         "to function properly. Your browser doesn't seem to support them.";
 340
 341                 return false;
 342         }
 343
 344         return true;
 345 }
 346
 347 function init() {
 348
 349         disableContainerChildren("headlinesToolbar", true);
 350
 351         if (!genericSanityCheck())
 352                 return;
 353
 354         setCookie("ttrss_vf_actfeed", "");
 355
 356         updateFeedList(false, false);
 357         document.onkeydown = hotkey_handler;
 358
 359         setTimeout("timeout()", 1800*1000);
 360         scheduleFeedUpdate(true);
 361
 362         var content = document.getElementById("content");
 363
 364         if (getCookie("ttrss_vf_vmode")) {
 365                 var viewbox = document.getElementById("viewbox");
 366                 viewbox.value = getCookie("ttrss_vf_vmode");
 367         }
 368
 369         if (getCookie("ttrss_vf_limit")) {
 370                 var limitbox = document.getElementById("limitbox");
 371                 limitbox.value = getCookie("ttrss_vf_limit");
 372         }
 373
 374 //      if (getCookie("ttrss_vf_actfeed")) {
 375 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 376 //      }
 377
 378 }
 379
 380