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 var search_mode = "";
  13
  14 var display_tags = false;
  15 //var display_read_feeds = true;
  16
  17 var global_unread = 0;
  18
  19 /*@cc_on @*/
  20 /*@if (@_jscript_version >= 5)
  21 // JScript gives us Conditional compilation, we can cope with old IE versions.
  22 // and security blocked creation of the objects.
  23 try {
  24         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  25 } catch (e) {
  26         try {
  27                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  28         } catch (E) {
  29                 xmlhttp = false;
  30         }
  31 }
  32 @end @*/
  33
  34 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  35         xmlhttp = new XMLHttpRequest();
  36 }
  37
  38 function toggleTags() {
  39         display_tags = !display_tags;
  40
  41         var p = document.getElementById("dispSwitchPrompt");
  42
  43         if (display_tags) {
  44                 p.innerHTML = "display feeds";
  45         } else {
  46                 p.innerHTML = "display tags";
  47         }
  48
  49         updateFeedList();
  50 }
  51
  52 function dlg_frefresh_callback() {
  53         if (xmlhttp.readyState == 4) {
  54                 updateFeedList(false, false);
  55                 closeDlg();
  56         }
  57 }
  58
  59 function dialog_refresh_callback() {
  60         if (xmlhttp.readyState == 4) {
  61                 var dlg = document.getElementById("userDlg");
  62
  63                 dlg.innerHTML = xmlhttp.responseText;
  64                 dlg.style.display = "block";
  65         }
  66 }
  67
  68 function refetch_callback() {
  69         if (xmlhttp.readyState == 4) {
  70
  71 //              document.title = "Tiny Tiny RSS";
  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 /*                      TODO figure out how to update this from viewfeed.js->view()
  96                         disabled for now...
  97
  98                         if (id == "global-unread") {
  99                                 global_unread = ctr;
 100                         } */
 101
 102                         if (feedctr && feedu && feedr) {
 103
 104                                 feedu.innerHTML = ctr;
 105
 106                                 if (ctr > 0) {
 107                                         feedctr.className = "odd";
 108                                         if (!feedr.className.match("Unread")) {
 109                                                 feedr.className = feedr.className + "Unread";
 110                                         }
 111                                 } else {
 112                                         feedctr.className = "invisible";
 113                                         feedr.className = feedr.className.replace("Unread", "");
 114                                 }
 115                         }
 116                 }
 117
 118                 updateTitle("");
 119                 notify("All feeds updated.");
 120
 121         }
 122 }
 123
 124 function updateFeed(feed_id) {
 125
 126         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 127
 128         if (xmlhttp_ready(xmlhttp)) {
 129                 xmlhttp.open("GET", query_str, true);
 130                 xmlhttp.onreadystatechange=feed_update_callback;
 131                 xmlhttp.send(null);
 132         } else {
 133                 printLockingError();
 134         }
 135
 136 }
 137
 138 function scheduleFeedUpdate(force) {
 139
 140         notify("Updating feeds in background...");
 141
 142 //      document.title = "Tiny Tiny RSS - Updating...";
 143
 144         updateTitle("Updating...");
 145
 146         var query_str = "backend.php?op=rpc&subop=";
 147
 148         if (force) {
 149                 query_str = query_str + "forceUpdateAllFeeds";
 150         } else {
 151                 query_str = query_str + "updateAllFeeds";
 152         }
 153
 154         var omode;
 155
 156         if (display_tags) {
 157                 omode = "t";
 158         } else {
 159                 omode = "fl";
 160         }
 161
 162         query_str = query_str + "&omode=" + omode;
 163
 164         if (xmlhttp_ready(xmlhttp)) {
 165                 xmlhttp.open("GET", query_str, true);
 166                 xmlhttp.onreadystatechange=refetch_callback;
 167                 xmlhttp.send(null);
 168         } else {
 169                 printLockingError();
 170         }
 171 }
 172
 173 function updateFeedList(silent, fetch) {
 174
 175 //      if (silent != true) {
 176 //              notify("Loading feed list...");
 177 //      }
 178
 179         var query_str = "backend.php?op=feeds";
 180
 181         if (display_tags) {
 182                 query_str = query_str + "&tags=1";
 183         }
 184
 185         if (getActiveFeedId()) {
 186                 query_str = query_str + "&actid=" + getActiveFeedId();
 187         }
 188
 189         if (fetch) query_str = query_str + "&fetch=yes";
 190
 191         var feeds_frame = document.getElementById("feeds-frame");
 192
 193         feeds_frame.src = query_str;
 194 }
 195
 196 function catchupAllFeeds() {
 197
 198         var query_str = "backend.php?op=feeds&subop=catchupAll";
 199
 200         notify("Marking all feeds as read...");
 201
 202         var feeds_frame = document.getElementById("feeds-frame");
 203
 204         feeds_frame.src = query_str;
 205
 206         global_unread = 0;
 207         updateTitle();
 208
 209 }
 210
 211 function viewCurrentFeed(skip, subop) {
 212
 213         if (getActiveFeedId()) {
 214                 viewfeed(getActiveFeedId(), skip, subop);
 215         } else {
 216                 disableContainerChildren("headlinesToolbar", false, document);
 217                 viewfeed(-1, skip, subop); // FIXME
 218         }
 219 }
 220
 221 function viewfeed(feed, skip, subop) {
 222         var f = window.frames["feeds-frame"];
 223         f.viewfeed(feed, skip, subop);
 224 }
 225
 226 function timeout() {
 227         scheduleFeedUpdate(true);
 228         setTimeout("timeout()", 1800*1000);
 229 }
 230
 231 function resetSearch() {
 232         var searchbox = document.getElementById("searchbox")
 233
 234         if (searchbox.value != "" && getActiveFeedId()) {
 235                 searchbox.value = "";
 236                 viewfeed(getActiveFeedId(), 0, "");
 237         }
 238 }
 239
 240 function search() {
 241         viewCurrentFeed(0, "");
 242 }
 243
 244 function localPiggieFunction(enable) {
 245         if (enable) {
 246                 var query_str = "backend.php?op=feeds&subop=piggie";
 247
 248                 if (xmlhttp_ready(xmlhttp)) {
 249
 250                         xmlhttp.open("GET", query_str, true);
 251                         xmlhttp.onreadystatechange=feedlist_callback;
 252                         xmlhttp.send(null);
 253                 }
 254         }
 255 }
 256
 257 function localHotkeyHandler(keycode) {
 258
 259 /*      if (keycode == 78) {
 260                 return moveToPost('next');
 261         }
 262
 263         if (keycode == 80) {
 264                 return moveToPost('prev');
 265         } */
 266
 267         if (keycode == 82) { // r
 268                 return scheduleFeedUpdate(true);
 269         }
 270
 271         if (keycode == 85) { // u
 272                 if (getActiveFeedId()) {
 273                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 274                 }
 275         }
 276
 277         if (keycode == 65) { // a
 278                 return toggleDispRead();
 279         }
 280
 281 //      notify("KC: " + keycode);
 282
 283 }
 284
 285 function updateTitle(s) {
 286         var tmp = "Tiny Tiny RSS";
 287
 288         if (global_unread > 0) {
 289                 tmp = tmp + " (" + global_unread + ")";
 290         }
 291
 292         if (s) {
 293                 tmp = tmp + " - " + s;
 294         }
 295         document.title = tmp;
 296 }
 297
 298 function genericSanityCheck() {
 299
 300         if (!xmlhttp) {
 301                 document.getElementById("headlines").innerHTML =
 302                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 303                         "to function properly. Your browser doesn't seem to support it.";
 304                 return false;
 305         }
 306
 307         setCookie("ttrss_vf_test", "TEST");
 308         if (getCookie("ttrss_vf_test") != "TEST") {
 309
 310                 document.getElementById("headlines").innerHTML =
 311                         "<b>Fatal error:</b> This program requires cookies " +
 312                         "to function properly. Your browser doesn't seem to support them.";
 313
 314                 return false;
 315         }
 316
 317         return true;
 318 }
 319
 320 function init() {
 321
 322         disableContainerChildren("headlinesToolbar", true);
 323
 324         if (!genericSanityCheck())
 325                 return;
 326
 327         setCookie("ttrss_vf_actfeed", "");
 328
 329         updateFeedList(false, false);
 330         document.onkeydown = hotkey_handler;
 331
 332         setTimeout("timeout()", 1800*1000);
 333         scheduleFeedUpdate(true);
 334
 335         var content = document.getElementById("content");
 336
 337         if (getCookie("ttrss_vf_vmode")) {
 338                 var viewbox = document.getElementById("viewbox");
 339                 viewbox.value = getCookie("ttrss_vf_vmode");
 340         }
 341
 342         if (getCookie("ttrss_vf_limit")) {
 343                 var limitbox = document.getElementById("limitbox");
 344                 limitbox.value = getCookie("ttrss_vf_limit");
 345         }
 346
 347 //      if (getCookie("ttrss_vf_actfeed")) {
 348 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 349 //      }
 350
 351 }
 352
 353 function quickMenuGo() {
 354
 355         var chooser = document.getElementById("quickMenuChooser");
 356         var opid = chooser[chooser.selectedIndex].id;
 357
 358         if (opid == "qmcPrefs") {
 359                 gotoPreferences();
 360         }
 361
 362         if (opid == "qmcAdvSearch") {
 363                 displayDlg("search");
 364                 return;
 365         }
 366
 367         if (opid == "qmcAddFeed") {
 368                 displayDlg("quickAddFeed");
 369                 return;
 370         }
 371
 372         if (opid == "qmcRemoveFeed") {
 373                 var actid = getActiveFeedId();
 374
 375                 if (!actid) {
 376                         notify("Please select some feed first.");
 377                         return;
 378                 }
 379
 380                 displayDlg("quickDelFeed", actid);
 381                 return;
 382         }
 383
 384         if (opid == "qmcUpdateFeeds") {
 385                 scheduleFeedUpdate(true);
 386                 return;
 387         }
 388
 389         if (opid == "qmcCatchupAll") {
 390                 catchupAllFeeds();
 391                 return;
 392         }
 393
 394         if (opid == "qmcShowOnlyUnread") {
 395                 toggleDispRead();
 396                 return;
 397         }
 398
 399 }
 400
 401 function qafAdd() {
 402
 403         if (!xmlhttp_ready(xmlhttp)) {
 404                 printLockingError();
 405                 return
 406         }
 407
 408         var link = document.getElementById("qafInput");
 409
 410         if (link.value.length == 0) {
 411                 notify("Missing feed URL.");
 412         } else {
 413                 notify("Adding feed...");
 414
 415                 var feeds_doc = window.frames["feeds-frame"].document;
 416
 417                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 418
 419                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 420                         param_escape(link.value), true);
 421                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 422                 xmlhttp.send(null);
 423
 424                 link.value = "";
 425
 426         }
 427 }
 428
 429 function displayDlg(id, param) {
 430
 431         notify("");
 432
 433         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 434                 param_escape(id) + "&param=" + param_escape(param), true);
 435         xmlhttp.onreadystatechange=dialog_refresh_callback;
 436         xmlhttp.send(null);
 437
 438 }
 439
 440 function closeDlg() {
 441         var dlg = document.getElementById("userDlg");
 442         dlg.style.display = "none";
 443 }
 444
 445 function qfdDelete(feed_id) {
 446
 447         notify("Removing feed...");
 448
 449         var feeds_doc = window.frames["feeds-frame"].document;
 450         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 451
 452         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
 453         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 454         xmlhttp.send(null);
 455 }
 456
 457
 458 function allFeedsMenuGo() {
 459         var chooser = document.getElementById("allFeedsChooser");
 460
 461         var opname = chooser[chooser.selectedIndex].text;
 462
 463         if (opname == "Update") {
 464                 scheduleFeedUpdate(true);
 465                 return;
 466         }
 467
 468         if (opname == "Mark as read") {
 469                 catchupAllFeeds();
 470                 return;
 471         }
 472
 473         if (opname == "Show only read") {
 474                 toggleDispRead();
 475                 return;
 476         }
 477
 478 }
 479
 480 function toggleDispRead() {
 481         var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 482
 483         hide_read_feeds = !hide_read_feeds;
 484
 485         var feeds_doc = window.frames["feeds-frame"].document;
 486
 487         hideOrShowFeeds(feeds_doc, hide_read_feeds);
 488
 489         if (hide_read_feeds) {
 490                 setCookie("ttrss_vf_hreadf", 1);
 491         } else {
 492                 setCookie("ttrss_vf_hreadf", 0);
 493         }
 494
 495 }