tt-rss.js

   1 var total_unread = 0;
   2 var first_run = true;
   3 var display_tags = false;
   4 var global_unread = -1;
   5 var active_title_text = "";
   6 var current_subtitle = "";
   7 var daemon_enabled = false;
   8 var daemon_refresh_only = false;
   9 //var _qfd_deleted_feed = 0;
  10 var firsttime_update = true;
  11 var cookie_lifetime = 0;
  12 var active_feed_id = 0;
  13 var active_feed_is_cat = false;
  14 var number_of_feeds = 0;
  15 var sanity_check_done = false;
  16 var _hfd_scrolltop = 0;
  17
  18 var init_params = new Object();
  19
  20 function tagsAreDisplayed() {
  21         return display_tags;
  22 }
  23
  24 function toggleTags(show_all) {
  25
  26         try {
  27
  28         debug("toggleTags: " + show_all + "; " + display_tags);
  29
  30         var p = document.getElementById("dispSwitchPrompt");
  31
  32         if (!show_all && !display_tags) {
  33                 displayDlg("printTagCloud");
  34         } else if (show_all) {
  35                 closeInfoBox();
  36                 display_tags = true;
  37                 p.innerHTML = __("display feeds");
  38                 notify_progress("Loading, please wait...", true);
  39                 updateFeedList();
  40         } else if (display_tags) {
  41                 display_tags = false;
  42                 p.innerHTML = __("tag cloud");
  43                 notify_progress("Loading, please wait...", true);
  44                 updateFeedList();
  45         }
  46
  47         } catch (e) {
  48                 exception_error("toggleTags", e);
  49         }
  50 }
  51
  52 function dlg_frefresh_callback(transport, deleted_feed) {
  53         if (getActiveFeedId() == deleted_feed) {
  54                 var h = document.getElementById("headlines-frame");
  55                 if (h) {
  56                         h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  57                 }
  58         }
  59
  60         setTimeout('updateFeedList(false, false)', 50);
  61         closeInfoBox();
  62 }
  63
  64 function refetch_callback2(transport) {
  65         try {
  66
  67                 var date = new Date();
  68
  69                 parse_counters_reply(transport, true);
  70
  71                 debug("refetch_callback2: done");
  72
  73 /*              if (!daemon_enabled && !daemon_refresh_only) {
  74                         notify_info("All feeds updated.");
  75                         updateTitle("");
  76                 } else {
  77                         //notify("");
  78                 } */
  79         } catch (e) {
  80                 exception_error("refetch_callback", e);
  81                 updateTitle("");
  82         }
  83 }
  84
  85 function backend_sanity_check_callback(transport) {
  86
  87         try {
  88
  89                 if (sanity_check_done) {
  90                         fatalError(11, "Sanity check request received twice. This can indicate "+
  91                       "presence of Firebug or some other disrupting extension. "+
  92                                 "Please disable it and try again.");
  93                         return;
  94                 }
  95
  96                 if (!transport.responseXML) {
  97                         fatalError(3, "[D001, Received reply is not XML]: " + transport.responseText);
  98                         return;
  99                 }
 100
 101                 var reply = transport.responseXML.firstChild.firstChild;
 102
 103                 if (!reply) {
 104                         fatalError(3, "[D002, Invalid RPC reply]: " + transport.responseText);
 105                         return;
 106                 }
 107
 108                 var error_code = reply.getAttribute("error-code");
 109
 110                 if (error_code && error_code != 0) {
 111                         return fatalError(error_code, reply.getAttribute("error-msg"));
 112                 }
 113
 114                 debug("sanity check ok");
 115
 116                 var params = reply.nextSibling;
 117
 118                 if (params) {
 119                         debug('reading init-params...');
 120                         var param = params.firstChild;
 121
 122                         while (param) {
 123                                 var k = param.getAttribute("key");
 124                                 var v = param.getAttribute("value");
 125                                 debug(k + " => " + v);
 126                                 init_params[k] = v;
 127                                 param = param.nextSibling;
 128                         }
 129                 }
 130
 131                 sanity_check_done = true;
 132
 133                 init_second_stage();
 134
 135         } catch (e) {
 136                 exception_error("backend_sanity_check_callback", e);
 137         }
 138 }
 139
 140 function scheduleFeedUpdate(force) {
 141
 142         debug("in scheduleFeedUpdate");
 143
 144 /*      if (!daemon_enabled && !daemon_refresh_only) {
 145                 notify_progress("Updating feeds...", true);
 146         } */
 147
 148         var query_str = "backend.php?op=rpc&subop=";
 149
 150         if (force) {
 151                 query_str = query_str + "forceUpdateAllFeeds";
 152         } else {
 153                 query_str = query_str + "updateAllFeeds";
 154         }
 155
 156         var omode;
 157
 158         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 159                 firsttime_update = false;
 160                 omode = "T";
 161         } else {
 162                 if (display_tags) {
 163                         omode = "tl";
 164                 } else {
 165                         omode = "flc";
 166                 }
 167         }
 168
 169         query_str = query_str + "&omode=" + omode;
 170         query_str = query_str + "&uctr=" + global_unread;
 171
 172         var date = new Date();
 173         var timestamp = Math.round(date.getTime() / 1000);
 174         query_str = query_str + "&ts=" + timestamp
 175
 176         debug("REFETCH query: " + query_str);
 177
 178         new Ajax.Request(query_str, {
 179                 onComplete: function(transport) {
 180                                 refetch_callback2(transport);
 181                         } });
 182 }
 183
 184 function updateFeedList(silent, fetch) {
 185
 186 //      if (silent != true) {
 187 //              notify("Loading feed list...");
 188 //      }
 189
 190         debug("<b>updateFeedList</b>");
 191
 192         var query_str = "backend.php?op=feeds";
 193
 194         if (display_tags) {
 195                 query_str = query_str + "&tags=1";
 196         }
 197
 198         if (getActiveFeedId() && !activeFeedIsCat()) {
 199                 query_str = query_str + "&actid=" + getActiveFeedId();
 200         }
 201
 202         var date = new Date();
 203         var timestamp = Math.round(date.getTime() / 1000);
 204         query_str = query_str + "&ts=" + timestamp
 205
 206         if (fetch) query_str = query_str + "&fetch=yes";
 207
 208 //      var feeds_frame = document.getElementById("feeds-frame");
 209 //      feeds_frame.src = query_str;
 210
 211         debug("updateFeedList Q=" + query_str);
 212
 213         new Ajax.Request(query_str, {
 214                 onComplete: function(transport) {
 215                         feedlist_callback2(transport);
 216                 } });
 217
 218 }
 219
 220 function catchupAllFeeds() {
 221
 222         var query_str = "backend.php?op=feeds&subop=catchupAll";
 223
 224         notify_progress("Marking all feeds as read...");
 225
 226         debug("catchupAllFeeds Q=" + query_str);
 227
 228         new Ajax.Request(query_str, {
 229                 onComplete: function(transport) {
 230                         feedlist_callback2(transport);
 231                 } });
 232
 233         global_unread = 0;
 234         updateTitle("");
 235
 236 }
 237
 238 function viewCurrentFeed(subop) {
 239
 240 //      if (getActiveFeedId()) {
 241         if (getActiveFeedId() != undefined) {
 242                 viewfeed(getActiveFeedId(), subop, active_feed_is_cat);
 243         } else {
 244                 disableContainerChildren("headlinesToolbar", false, document);
 245 //              viewfeed(-1, subop); // FIXME
 246         }
 247         return false; // block unneeded form submits
 248 }
 249
 250 function viewfeed(feed, subop) {
 251         var f = window.frames["feeds-frame"];
 252         f.viewfeed(feed, subop);
 253 }
 254
 255 function timeout() {
 256         scheduleFeedUpdate(false);
 257
 258         var refresh_time = getInitParam("feeds_frame_refresh");
 259
 260         if (!refresh_time) refresh_time = 600;
 261
 262         setTimeout("timeout()", refresh_time*1000);
 263 }
 264
 265 function resetSearch() {
 266         var searchbox = document.getElementById("searchbox")
 267
 268         if (searchbox.value != "" && getActiveFeedId()) {
 269                 searchbox.value = "";
 270                 viewfeed(getActiveFeedId(), "");
 271         }
 272 }
 273
 274 function searchCancel() {
 275         closeInfoBox(true);
 276 }
 277
 278 function search() {
 279         closeInfoBox();
 280         viewCurrentFeed(0, "");
 281 }
 282
 283 // if argument is undefined, current subtitle is not updated
 284 // use blank string to clear subtitle
 285 function updateTitle(s) {
 286         var tmp = "Tiny Tiny RSS";
 287
 288         if (s != undefined) {
 289                 current_subtitle = s;
 290         }
 291
 292         if (global_unread > 0) {
 293                 tmp = tmp + " (" + global_unread + ")";
 294         }
 295
 296         if (current_subtitle) {
 297                 tmp = tmp + " - " + current_subtitle;
 298         }
 299
 300         if (active_title_text.length > 0) {
 301                 tmp = tmp + " > " + active_title_text;
 302         }
 303
 304         document.title = tmp;
 305 }
 306
 307 function genericSanityCheck() {
 308
 309 //      if (!Ajax.getTransport()) fatalError(1);
 310
 311         setCookie("ttrss_vf_test", "TEST");
 312
 313         if (getCookie("ttrss_vf_test") != "TEST") {
 314                 fatalError(2);
 315         }
 316
 317         return true;
 318 }
 319
 320 function init() {
 321
 322         try {
 323
 324                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 325
 326                 if (arguments.callee.done) return;
 327                 arguments.callee.done = true;
 328
 329                 disableContainerChildren("headlinesToolbar", true);
 330
 331                 Form.disable("main_toolbar_form");
 332
 333                 if (!genericSanityCheck())
 334                         return;
 335
 336                 if (getURLParam('debug')) {
 337                         document.getElementById('debug_output').style.display = 'block';
 338                         debug('debug mode activated');
 339                 }
 340
 341                 var params = "&ua=" + param_escape(navigator.userAgent);
 342
 343                 new Ajax.Request("backend.php?op=rpc&subop=sanityCheck" + params,       {
 344                         onComplete: function(transport) {
 345                                         backend_sanity_check_callback(transport);
 346                                 } });
 347
 348         } catch (e) {
 349                 exception_error("init", e);
 350         }
 351 }
 352
 353 function resize_headlines() {
 354
 355         var h_frame = document.getElementById("headlines-frame");
 356         var c_frame = document.getElementById("content-frame");
 357         var f_frame = document.getElementById("footer");
 358
 359         if (!c_frame || !h_frame) return;
 360
 361         if (getInitParam("theme") == "3pane") {
 362                 debug("resize_headlines: HOR-mode");
 363
 364                 c_frame.style.width = '35%';
 365                 h_frame.style.right = c_frame.offsetWidth - 1 + "px";
 366
 367         } else {
 368                 debug("resize_headlines: VER-mode");
 369
 370                 if (!is_msie()) {
 371                         h_frame.style.height = 30 + "%";
 372                         c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 373                         h_frame.style.height = h_frame.offsetHeight + "px";
 374                 } else {
 375                         h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 376                         c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 377
 378                         var c_bottom = document.documentElement.clientHeight;
 379
 380                         if (f_frame) {
 381                                 c_bottom = f_frame.offsetTop;
 382                         }
 383
 384                         c_frame.style.height = c_bottom - (h_frame.offsetTop +
 385                                 h_frame.offsetHeight + 1) + "px";
 386                         h_frame.style.height = h_frame.offsetHeight + "px";
 387
 388                 }
 389
 390         }
 391
 392 }
 393
 394 function init_second_stage() {
 395
 396         try {
 397
 398                 cookie_lifetime = getCookie("ttrss_cltime");
 399
 400                 delCookie("ttrss_vf_test");
 401
 402 //              document.onresize = resize_headlines;
 403                 resize_headlines();
 404
 405                 var toolbar = document.forms["main_toolbar_form"];
 406
 407                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 408                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 409
 410                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 411                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 412
 413                 setTimeout('updateFeedList(false, false)', 50);
 414
 415                 debug("second stage ok");
 416
 417         } catch (e) {
 418                 exception_error("init_second_stage", e);
 419         }
 420 }
 421
 422 function quickMenuChange() {
 423         var chooser = document.getElementById("quickMenuChooser");
 424         var opid = chooser[chooser.selectedIndex].value;
 425
 426         chooser.selectedIndex = 0;
 427         quickMenuGo(opid);
 428 }
 429
 430 function quickMenuGo(opid) {
 431         try {
 432
 433                 if (opid == "qmcPrefs") {
 434                         gotoPreferences();
 435                 }
 436
 437                 if (opid == "qmcSearch") {
 438                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 439                         return;
 440                 }
 441
 442                 if (opid == "qmcAddFeed") {
 443                         displayDlg("quickAddFeed");
 444                         return;
 445                 }
 446
 447                 if (opid == "qmcEditFeed") {
 448                         editFeedDlg(getActiveFeedId());
 449                 }
 450
 451                 if (opid == "qmcRemoveFeed") {
 452                         var actid = getActiveFeedId();
 453
 454                         if (activeFeedIsCat()) {
 455                                 alert(__("You can't unsubscribe from the category."));
 456                                 return;
 457                         }
 458
 459                         if (!actid) {
 460                                 alert(__("Please select some feed first."));
 461                                 return;
 462                         }
 463
 464                         var fn = getFeedName(actid);
 465
 466                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 467
 468                         if (confirm(pr)) {
 469                                 unsubscribeFeed(actid);
 470                         }
 471
 472                         return;
 473                 }
 474
 475                 if (opid == "qmcClearFeed") {
 476                         var actid = getActiveFeedId();
 477
 478                         if (!actid) {
 479                                 alert(__("Please select some feed first."));
 480                                 return;
 481                         }
 482
 483                         if (activeFeedIsCat() || actid < 0) {
 484                                 alert(__("You can't clear this type of feed."));
 485                                 return;
 486                         }
 487
 488                         var fn = getFeedName(actid);
 489
 490                         var pr = __("Erase all non-starred articles in %s?").replace("%s", fn);
 491
 492                         if (confirm(pr)) {
 493                                 clearFeedArticles(actid);
 494                         }
 495
 496                         return;
 497                 }
 498
 499
 500                 if (opid == "qmcUpdateFeeds") {
 501                         scheduleFeedUpdate(true);
 502                         return;
 503                 }
 504
 505                 if (opid == "qmcCatchupAll") {
 506                         catchupAllFeeds();
 507                         return;
 508                 }
 509
 510                 if (opid == "qmcShowOnlyUnread") {
 511                         toggleDispRead();
 512                         return;
 513                 }
 514
 515                 if (opid == "qmcAddFilter") {
 516                         displayDlg("quickAddFilter", getActiveFeedId());
 517                 }
 518
 519         } catch (e) {
 520                 exception_error("quickMenuGo", e);
 521         }
 522 }
 523
 524 function unsubscribeFeed(feed_id) {
 525
 526         notify_progress("Removing feed...");
 527
 528         var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
 529
 530         new Ajax.Request(query, {
 531                 onComplete: function(transport) {
 532                                 dlg_frefresh_callback(transport, feed_id);
 533                         } });
 534
 535
 536         return false;
 537 }
 538
 539
 540 function updateFeedTitle(t) {
 541         active_title_text = t;
 542         updateTitle();
 543 }
 544
 545 function toggleDispRead() {
 546         try {
 547
 548                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 549
 550                 hide_read_feeds = !hide_read_feeds;
 551
 552                 debug("toggle_disp_read => " + hide_read_feeds);
 553
 554                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 555
 556                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 557
 558         } catch (e) {
 559                 exception_error("toggleDispRead", e);
 560         }
 561 }
 562
 563 function parse_runtime_info(elem) {
 564         if (!elem) {
 565                 debug("parse_runtime_info: elem is null, aborting");
 566                 return;
 567         }
 568
 569         var param = elem.firstChild;
 570
 571         debug("parse_runtime_info: " + param);
 572
 573         while (param) {
 574                 var k = param.getAttribute("key");
 575                 var v = param.getAttribute("value");
 576
 577                 debug("RI: " + k + " => " + v);
 578
 579                 if (k == "new_version_available") {
 580                         var icon = document.getElementById("newVersionIcon");
 581                         if (icon) {
 582                                 if (v == "1") {
 583                                         icon.style.display = "inline";
 584                                 } else {
 585                                         icon.style.display = "none";
 586                                 }
 587                         }
 588                 }
 589
 590                 var error_flag;
 591
 592                 if (k == "daemon_is_running" && v != 1) {
 593                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 594                         error_flag = true;
 595                 }
 596
 597                 if (k == "daemon_stamp_ok" && v != 1) {
 598                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 599                         error_flag = true;
 600                 }
 601
 602                 if (!error_flag) {
 603                         notify('');
 604                 }
 605
 606 /*              var w = document.getElementById("noDaemonWarning");
 607
 608                 if (w) {
 609                         if (k == "daemon_is_running" && v != 1) {
 610                                 w.style.display = "block";
 611                         } else {
 612                                 w.style.display = "none";
 613                         }
 614                 } */
 615                 param = param.nextSibling;
 616         }
 617 }
 618
 619 function catchupCurrentFeed() {
 620
 621         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 622
 623         var str = __("Mark all articles in %s as read?").replace("%s", fn);
 624
 625 /*      if (active_feed_is_cat) {
 626                 str = "Mark all articles in this category as read?";
 627         } */
 628
 629         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 630                 return viewCurrentFeed('MarkAllRead')
 631         }
 632 }
 633
 634 function editFeedDlg(feed) {
 635         try {
 636
 637                 if (!feed) {
 638                         alert(__("Please select some feed first."));
 639                         return;
 640                 }
 641
 642                 if ((feed <= 0 && feed > -10) || activeFeedIsCat() || tagsAreDisplayed()) {
 643                         alert(__("You can't edit this kind of feed."));
 644                         return;
 645                 }
 646
 647                 var query = "";
 648
 649                 if (feed > 0) {
 650                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 651                 } else {
 652                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 653                 }
 654
 655                 disableHotkeys();
 656
 657                 new Ajax.Request(query, {
 658                         onComplete: function(transport) {
 659                                 infobox_callback2(transport);
 660                         } });
 661
 662         } catch (e) {
 663                 exception_error("editFeedDlg", e);
 664         }
 665 }
 666
 667 /* this functions duplicate those of prefs.js feed editor, with
 668         some differences because there is no feedlist */
 669
 670 function feedEditCancel() {
 671         closeInfoBox();
 672         return false;
 673 }
 674
 675 function feedEditSave() {
 676
 677         try {
 678
 679                 // FIXME: add parameter validation
 680
 681                 var query = Form.serialize("edit_feed_form");
 682
 683                 notify_progress("Saving feed...");
 684
 685                 new Ajax.Request("backend.php", {
 686                         parameters: query,
 687                         onComplete: function(transport) {
 688                                 dlg_frefresh_callback(transport);
 689                         } });
 690
 691
 692                 closeInfoBox();
 693
 694                 return false;
 695
 696         } catch (e) {
 697                 exception_error("feedEditSave (main)", e);
 698         }
 699 }
 700
 701 function labelEditCancel() {
 702         closeInfoBox();
 703         return false;
 704 }
 705
 706 function labelEditSave() {
 707
 708         try {
 709
 710                 closeInfoBox();
 711
 712                 notify_progress("Saving label...");
 713
 714                 query = Form.serialize("label_edit_form");
 715
 716                 new Ajax.Request("backend.php?" + query, {
 717                         onComplete: function(transport) {
 718                                 dlg_frefresh_callback(transport);
 719                         } });
 720
 721                 return false;
 722
 723         } catch (e) {
 724                 exception_error("feedEditSave (main)", e);
 725         }
 726
 727 }
 728
 729 function clearFeedArticles(feed_id) {
 730
 731         notify_progress("Clearing feed...");
 732
 733         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
 734
 735         new Ajax.Request(query, {
 736                 onComplete: function(transport) {
 737                                 dlg_frefresh_callback(transport, feed_id);
 738                         } });
 739
 740         return false;
 741 }
 742
 743 /*
 744 function toggle_feedlist() {
 745         try {
 746                 debug("toggle_feedlist");
 747
 748                 var fl = document.getElementById("feeds-holder");
 749
 750                 if (!Element.visible(fl)) {
 751                         Element.show(fl);
 752                         fl.style.zIndex = 30;
 753                         fl.scrollTop = _hfd_scrolltop;
 754                 } else {
 755                         _hfd_scrolltop = fl.scrollTop;
 756                         Element.hide(fl);
 757 //                      Effect.Fade(fl, {duration : 0.2,
 758 //                              queue: { position: 'end', scope: 'FLFADEQ', limit: 1 }});
 759                 }
 760         } catch (e) {
 761                 exception_error(e, "toggle_feedlist");
 762         }
 763 } */
 764
 765 function collapse_feedlist() {
 766         try {
 767                 debug("toggle_feedlist");
 768
 769                 var theme = getInitParam("theme");
 770                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 771                                 theme != "compat") return;
 772
 773                 var fl = document.getElementById("feeds-holder");
 774                 var fh = document.getElementById("headlines-frame");
 775                 var fc = document.getElementById("content-frame");
 776                 var ft = document.getElementById("toolbar");
 777                 var ff = document.getElementById("footer");
 778                 var fhdr = document.getElementById("header");
 779                 var fbtn = document.getElementById("collapse_feeds_btn");
 780
 781                 if (!Element.visible(fl)) {
 782                         Element.show(fl);
 783                         fbtn.value = "<<";
 784
 785                         if (theme != "graycube") {
 786
 787                                 fh.style.left = fl.offsetWidth + "px";
 788                                 ft.style.left = fl.offsetWidth + "px";
 789                                 if (fc) fc.style.left = fl.offsetWidth + "px";
 790                                 if (ff && theme != "compat") ff.style.left = (fl.offsetWidth-1) + "px";
 791
 792                                 if (theme == "compact") fhdr.style.left = (fl.offsetWidth + 10) + "px";
 793                         } else {
 794                                 fh.style.left = fl.offsetWidth + 40 + "px";
 795                                 ft.style.left = fl.offsetWidth + 40 +"px";
 796                                 if (fc) fc.style.left = fl.offsetWidth + 40 + "px";
 797                         }
 798
 799                         setCookie("ttrss_vf_fclps", "0");
 800
 801                 } else {
 802                         Element.hide(fl);
 803                         fbtn.value = ">>";
 804
 805                         if (theme != "graycube") {
 806
 807                                 fh.style.left = "0px";
 808                                 ft.style.left = "0px";
 809                                 if (fc) fc.style.left = "0px";
 810                                 if (ff) ff.style.left = "0px";
 811
 812                                 if (theme == "compact") fhdr.style.left = "10px";
 813
 814                         } else {
 815                                 fh.style.left = "20px";
 816                                 ft.style.left = "20px";
 817                                 if (fc) fc.style.left = "20px";
 818
 819                         }
 820
 821                         setCookie("ttrss_vf_fclps", "1");
 822                 }
 823         } catch (e) {
 824                 exception_error(e, "toggle_feedlist");
 825         }
 826 }
 827
 828 function viewModeChanged() {
 829         cache_empty();
 830         return viewCurrentFeed(0, '')
 831 }
 832
 833 function viewLimitChanged() {
 834         cache_empty();
 835         return viewCurrentFeed(0, '')
 836 }