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 _active_feed_id = 0;
  12 var _active_feed_is_cat = false;
  13 var number_of_feeds = 0;
  14 var sanity_check_done = false;
  15 var _hfd_scrolltop = 0;
  16 var hotkey_prefix = false;
  17 var init_params = new Object();
  18 var ver_offset = 0;
  19 var hor_offset = 0;
  20 var feeds_sort_by_unread = false;
  21 var feedlist_sortable_enabled = false;
  22 var offline_mode = false;
  23 var store = false;
  24 var localServer = false;
  25 var db = false;
  26 var download_progress_last = 0;
  27
  28 function activeFeedIsCat() {
  29         return _active_feed_is_cat;
  30 }
  31
  32 function getActiveFeedId() {
  33 //      return getCookie("ttrss_vf_actfeed");
  34         try {
  35                 debug("gAFID: " + _active_feed_id);
  36                 return _active_feed_id;
  37         } catch (e) {
  38                 exception_error("getActiveFeedId", e);
  39         }
  40 }
  41
  42 function setActiveFeedId(id, is_cat) {
  43 //      return setCookie("ttrss_vf_actfeed", id);
  44         try {
  45                 debug("sAFID(" + id + ", " + is_cat + ")");
  46                 _active_feed_id = id;
  47
  48                 if (is_cat != undefined) {
  49                         _active_feed_is_cat = is_cat;
  50                 }
  51
  52         } catch (e) {
  53                 exception_error("setActiveFeedId", e);
  54         }
  55 }
  56
  57
  58 function isFeedlistSortable() {
  59         return feedlist_sortable_enabled;
  60 }
  61
  62 function tagsAreDisplayed() {
  63         return display_tags;
  64 }
  65
  66 function toggleTags(show_all) {
  67
  68         try {
  69
  70         debug("toggleTags: " + show_all + "; " + display_tags);
  71
  72         var p = document.getElementById("dispSwitchPrompt");
  73
  74         if (!show_all && !display_tags) {
  75                 displayDlg("printTagCloud");
  76         } else if (show_all) {
  77                 closeInfoBox();
  78                 display_tags = true;
  79                 p.innerHTML = __("display feeds");
  80                 notify_progress("Loading, please wait...", true);
  81                 updateFeedList();
  82         } else if (display_tags) {
  83                 display_tags = false;
  84                 p.innerHTML = __("tag cloud");
  85                 notify_progress("Loading, please wait...", true);
  86                 updateFeedList();
  87         }
  88
  89         } catch (e) {
  90                 exception_error("toggleTags", e);
  91         }
  92 }
  93
  94 function dlg_frefresh_callback(transport, deleted_feed) {
  95         if (getActiveFeedId() == deleted_feed) {
  96                 var h = document.getElementById("headlines-frame");
  97                 if (h) {
  98                         h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  99                 }
 100         }
 101
 102         setTimeout('updateFeedList(false, false)', 50);
 103         closeInfoBox();
 104 }
 105
 106 function refetch_callback2(transport) {
 107         try {
 108
 109                 var date = new Date();
 110
 111                 parse_counters_reply(transport, true);
 112
 113                 debug("refetch_callback2: done");
 114
 115 /*              if (!daemon_enabled && !daemon_refresh_only) {
 116                         notify_info("All feeds updated.");
 117                         updateTitle("");
 118                 } else {
 119                         //notify("");
 120                 } */
 121         } catch (e) {
 122                 exception_error("refetch_callback", e);
 123                 updateTitle("");
 124         }
 125 }
 126
 127 function backend_sanity_check_callback(transport) {
 128
 129         try {
 130
 131                 if (sanity_check_done) {
 132                         fatalError(11, "Sanity check request received twice. This can indicate "+
 133                       "presence of Firebug or some other disrupting extension. "+
 134                                 "Please disable it and try again.");
 135                         return;
 136                 }
 137
 138                 if (!transport.responseXML) {
 139                         if (!window.google && !google.gears) {
 140                                 fatalError(3, "Sanity check: Received reply is not XML", transport.responseText);
 141                         } else {
 142                                 init_offline();
 143                         }
 144                         return;
 145                 }
 146
 147                 if (getURLParam("offline")) {
 148                         return init_offline();
 149                 }
 150
 151                 var reply = transport.responseXML.firstChild.firstChild;
 152
 153                 if (!reply) {
 154                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
 155                         return;
 156                 }
 157
 158                 var error_code = reply.getAttribute("error-code");
 159
 160                 if (error_code && error_code != 0) {
 161                         return fatalError(error_code, reply.getAttribute("error-msg"));
 162                 }
 163
 164                 debug("sanity check ok");
 165
 166                 var params = reply.nextSibling;
 167
 168                 if (params) {
 169                         debug('reading init-params...');
 170                         var param = params.firstChild;
 171
 172                         while (param) {
 173                                 var k = param.getAttribute("key");
 174                                 var v = param.getAttribute("value");
 175                                 debug(k + " => " + v);
 176                                 init_params[k] = v;
 177                                 param = param.nextSibling;
 178                         }
 179                 }
 180
 181                 sanity_check_done = true;
 182
 183                 init_second_stage();
 184
 185         } catch (e) {
 186                 exception_error("backend_sanity_check_callback", e, transport);
 187         }
 188 }
 189
 190 function scheduleFeedUpdate(force) {
 191
 192         debug("in scheduleFeedUpdate");
 193
 194 /*      if (!daemon_enabled && !daemon_refresh_only) {
 195                 notify_progress("Updating feeds...", true);
 196         } */
 197
 198         var query_str = "backend.php?op=rpc&subop=";
 199
 200         if (force) {
 201                 query_str = query_str + "forceUpdateAllFeeds";
 202         } else {
 203                 query_str = query_str + "updateAllFeeds";
 204         }
 205
 206         var omode;
 207
 208         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 209                 firsttime_update = false;
 210                 omode = "T";
 211         } else {
 212                 if (display_tags) {
 213                         omode = "tl";
 214                 } else {
 215                         omode = "flc";
 216                 }
 217         }
 218
 219         query_str = query_str + "&omode=" + omode;
 220         query_str = query_str + "&uctr=" + global_unread;
 221
 222         var date = new Date();
 223         var timestamp = Math.round(date.getTime() / 1000);
 224         query_str = query_str + "&ts=" + timestamp
 225
 226         debug("REFETCH query: " + query_str);
 227
 228         new Ajax.Request(query_str, {
 229                 onComplete: function(transport) {
 230                                 refetch_callback2(transport);
 231                         } });
 232 }
 233
 234 function updateFeedList(silent, fetch) {
 235
 236 //      if (silent != true) {
 237 //              notify("Loading feed list...");
 238 //      }
 239
 240         debug("<b>updateFeedList</b>");
 241
 242         var query_str = "backend.php?op=feeds";
 243
 244         if (display_tags) {
 245                 query_str = query_str + "&tags=1";
 246         }
 247
 248         if (getActiveFeedId() && !activeFeedIsCat()) {
 249                 query_str = query_str + "&actid=" + getActiveFeedId();
 250         }
 251
 252         var date = new Date();
 253         var timestamp = Math.round(date.getTime() / 1000);
 254         query_str = query_str + "&ts=" + timestamp
 255
 256         if (fetch) query_str = query_str + "&fetch=yes";
 257
 258 //      var feeds_frame = document.getElementById("feeds-frame");
 259 //      feeds_frame.src = query_str;
 260
 261         debug("updateFeedList Q=" + query_str);
 262
 263         new Ajax.Request(query_str, {
 264                 onComplete: function(transport) {
 265                         feedlist_callback2(transport);
 266                 } });
 267
 268 }
 269
 270 function catchupAllFeeds() {
 271
 272         var str = __("Mark all articles as read?");
 273
 274         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 275
 276                 var query_str = "backend.php?op=feeds&subop=catchupAll";
 277
 278                 notify_progress("Marking all feeds as read...");
 279
 280                 debug("catchupAllFeeds Q=" + query_str);
 281
 282                 new Ajax.Request(query_str, {
 283                         onComplete: function(transport) {
 284                                 feedlist_callback2(transport);
 285                         } });
 286
 287                 global_unread = 0;
 288                 updateTitle("");
 289         }
 290 }
 291
 292 function viewCurrentFeed(subop) {
 293
 294 //      if (getActiveFeedId()) {
 295         if (getActiveFeedId() != undefined) {
 296                 viewfeed(getActiveFeedId(), subop, activeFeedIsCat());
 297         } else {
 298                 disableContainerChildren("headlinesToolbar", false, document);
 299 //              viewfeed(-1, subop); // FIXME
 300         }
 301         return false; // block unneeded form submits
 302 }
 303
 304 function viewfeed(feed, subop) {
 305         var f = window.frames["feeds-frame"];
 306         f.viewfeed(feed, subop);
 307 }
 308
 309 function timeout() {
 310         if (getInitParam("bw_limit") == "1") return;
 311
 312         scheduleFeedUpdate(false);
 313
 314         var refresh_time = getInitParam("feeds_frame_refresh");
 315
 316         if (!refresh_time) refresh_time = 600;
 317
 318         setTimeout("timeout()", refresh_time*1000);
 319 }
 320
 321 function resetSearch() {
 322         var searchbox = document.getElementById("searchbox")
 323
 324         if (searchbox.value != "" && getActiveFeedId()) {
 325                 searchbox.value = "";
 326                 viewfeed(getActiveFeedId(), "");
 327         }
 328 }
 329
 330 function searchCancel() {
 331         closeInfoBox(true);
 332 }
 333
 334 function search() {
 335         closeInfoBox();
 336         viewCurrentFeed(0, "");
 337 }
 338
 339 // if argument is undefined, current subtitle is not updated
 340 // use blank string to clear subtitle
 341 function updateTitle(s) {
 342         var tmp = "Tiny Tiny RSS";
 343
 344         if (s != undefined) {
 345                 current_subtitle = s;
 346         }
 347
 348         if (global_unread > 0) {
 349                 tmp = tmp + " (" + global_unread + ")";
 350         }
 351
 352         if (current_subtitle) {
 353                 tmp = tmp + " - " + current_subtitle;
 354         }
 355
 356         if (active_title_text.length > 0) {
 357                 tmp = tmp + " > " + active_title_text;
 358         }
 359
 360         document.title = tmp;
 361 }
 362
 363 function genericSanityCheck() {
 364
 365 //      if (!Ajax.getTransport()) fatalError(1);
 366
 367         setCookie("ttrss_vf_test", "TEST");
 368
 369         if (getCookie("ttrss_vf_test") != "TEST") {
 370                 fatalError(2);
 371         }
 372
 373         return true;
 374 }
 375
 376 function init() {
 377
 378         try {
 379
 380                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 381
 382                 if (arguments.callee.done) return;
 383                 arguments.callee.done = true;
 384
 385                 init_gears();
 386
 387                 disableContainerChildren("headlinesToolbar", true);
 388
 389                 Form.disable("main_toolbar_form");
 390
 391                 if (!genericSanityCheck())
 392                         return;
 393
 394                 if (getURLParam('debug')) {
 395                         Element.show("debug_output");
 396                         debug('debug mode activated');
 397                 }
 398
 399                 var params = "&ua=" + param_escape(navigator.userAgent);
 400
 401                 loading_set_progress(30);
 402
 403                 new Ajax.Request("backend.php?op=rpc&subop=sanityCheck" + params,       {
 404                         onComplete: function(transport) {
 405                                         backend_sanity_check_callback(transport);
 406                                 } });
 407
 408         } catch (e) {
 409                 exception_error("init", e);
 410         }
 411 }
 412
 413 function resize_headlines(delta_x, delta_y) {
 414
 415         try {
 416
 417                 debug("resize_headlines: " + delta_x + ":" + delta_y);
 418
 419                 var h_frame = document.getElementById("headlines-frame");
 420                 var c_frame = document.getElementById("content-frame");
 421                 var f_frame = document.getElementById("footer");
 422                 var feeds_frame = document.getElementById("feeds-holder");
 423                 var resize_grab = document.getElementById("resize-grabber");
 424                 var resize_handle = document.getElementById("resize-handle");
 425
 426                 if (!c_frame || !h_frame) return;
 427
 428                 if (feeds_frame && getInitParam("theme") == "compat") {
 429                                 feeds_frame.style.bottom = f_frame.offsetHeight + "px";
 430                 }
 431
 432                 if (getInitParam("theme") == "3pane") {
 433
 434                         if (delta_x != undefined) {
 435                                 if (c_frame.offsetLeft - delta_x > feeds_frame.offsetWidth + feeds_frame.offsetLeft + 100 && c_frame.offsetWidth + delta_x > 100) {
 436                                         hor_offset = hor_offset + delta_x;
 437                                 }
 438                         }
 439
 440                         debug("resize_headlines: HOR-mode: " + hor_offset);
 441
 442                         c_frame.style.width = (400 + hor_offset) + "px";
 443                         h_frame.style.right = c_frame.offsetWidth - 1 + "px";
 444
 445                         resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight - 60) + "px";
 446                         resize_grab.style.left = (h_frame.offsetLeft + h_frame.offsetWidth -
 447                                 4) + "px";
 448                         resize_grab.style.display = "block";
 449
 450                         resize_handle.src = "themes/3pane/images/resize_handle_vert.png";
 451                         resize_handle.style.paddingTop = (resize_grab.offsetHeight / 2 - 7) + "px";
 452
 453                 } else {
 454
 455                         if (delta_y != undefined) {
 456                                 if (c_frame.offsetHeight + delta_y > 100 && h_frame.offsetHeight - delta_y > 100) {
 457                                         ver_offset = ver_offset + delta_y;
 458                                 }
 459                         }
 460
 461                         debug("resize_headlines: VER-mode: " + ver_offset);
 462
 463                         h_frame.style.height = (300 - ver_offset) + "px";
 464
 465                         c_frame.style.top = (h_frame.offsetTop + h_frame.offsetHeight + 0) + "px";
 466                         h_frame.style.height = h_frame.offsetHeight + "px";
 467
 468                         var theme_c = 0;
 469
 470                         if (getInitParam("theme") == "graycube") {
 471                                 theme_c = 1;
 472                         }
 473
 474                         if (getInitParam("theme") == "graycube" || getInitParam("theme") == "compat") {
 475                                 resize_handle.src = "themes/graycube/images/resize_handle_horiz.png";
 476                         }
 477
 478 /*                      resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight -
 479                                 4 - theme_c) + "px";
 480                         resize_grab.style.display = "block"; */
 481
 482                 }
 483
 484                 if (getInitParam("cookie_lifetime") != 0) {
 485                         setCookie("ttrss_offset_ver", ver_offset,
 486                                 getInitParam("cookie_lifetime"));
 487                         setCookie("ttrss_offset_hor", hor_offset,
 488                                 getInitParam("cookie_lifetime"));
 489                 } else {
 490                         setCookie("ttrss_offset_ver", ver_offset);
 491                         setCookie("ttrss_offset_hor", hor_offset);
 492                 }
 493
 494         } catch (e) {
 495                 exception_error("resize_headlines", e);
 496         }
 497
 498 }
 499
 500 function init_second_stage() {
 501
 502         try {
 503
 504                 delCookie("ttrss_vf_test");
 505
 506 //              document.onresize = resize_headlines;
 507
 508                 var toolbar = document.forms["main_toolbar_form"];
 509
 510                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 511                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 512                 dropboxSelect(toolbar.order_by, getInitParam("default_view_order_by"));
 513
 514                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 515                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 516                 feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
 517
 518                 var fl = cache_find_param("FEEDLIST", getInitParam("num_feeds"));
 519
 520                 if (fl) {
 521                         render_feedlist(fl);
 522                         if (document.getElementById("feedList")) {
 523                                 request_counters();
 524                         } else {
 525                                 setTimeout('updateFeedList(false, false)', 50);
 526                         }
 527                 } else {
 528                         setTimeout('updateFeedList(false, false)', 50);
 529                 }
 530
 531                 debug("second stage ok");
 532
 533                 loading_set_progress(60);
 534
 535                 ver_offset = parseInt(getCookie("ttrss_offset_ver"));
 536                 hor_offset = parseInt(getCookie("ttrss_offset_hor"));
 537
 538                 debug("got offsets from cookies: ver " + ver_offset + " hor " + hor_offset);
 539
 540                 /* fuck IE */
 541
 542                 if (isNaN(hor_offset)) hor_offset = 0;
 543                 if (isNaN(ver_offset)) ver_offset = 0;
 544
 545                 debug("offsets from cookies [x:y]: " + hor_offset + ":" + ver_offset);
 546
 547                 resize_headlines();
 548
 549         } catch (e) {
 550                 exception_error("init_second_stage", e);
 551         }
 552 }
 553
 554 function quickMenuChange() {
 555         var chooser = document.getElementById("quickMenuChooser");
 556         var opid = chooser[chooser.selectedIndex].value;
 557
 558         chooser.selectedIndex = 0;
 559         quickMenuGo(opid);
 560 }
 561
 562 function quickMenuGo(opid) {
 563         try {
 564
 565                 if (opid == "qmcPrefs") {
 566                         gotoPreferences();
 567                 }
 568
 569                 if (opid == "qmcSearch") {
 570                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 571                         return;
 572                 }
 573
 574                 if (opid == "qmcAddFeed") {
 575                         displayDlg("quickAddFeed");
 576                         return;
 577                 }
 578
 579                 if (opid == "qmcEditFeed") {
 580                         editFeedDlg(getActiveFeedId());
 581                 }
 582
 583                 if (opid == "qmcRemoveFeed") {
 584                         var actid = getActiveFeedId();
 585
 586                         if (activeFeedIsCat()) {
 587                                 alert(__("You can't unsubscribe from the category."));
 588                                 return;
 589                         }
 590
 591                         if (!actid) {
 592                                 alert(__("Please select some feed first."));
 593                                 return;
 594                         }
 595
 596                         var fn = getFeedName(actid);
 597
 598                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 599
 600                         if (confirm(pr)) {
 601                                 unsubscribeFeed(actid);
 602                         }
 603
 604                         return;
 605                 }
 606
 607                 if (opid == "qmcClearFeed") {
 608                         var actid = getActiveFeedId();
 609
 610                         if (!actid) {
 611                                 alert(__("Please select some feed first."));
 612                                 return;
 613                         }
 614
 615                         if (activeFeedIsCat() || actid < 0) {
 616                                 alert(__("You can't clear this type of feed."));
 617                                 return;
 618                         }
 619
 620                         var fn = getFeedName(actid);
 621
 622                         var pr = __("Erase all non-starred articles in %s?").replace("%s", fn);
 623
 624                         if (confirm(pr)) {
 625                                 clearFeedArticles(actid);
 626                         }
 627
 628                         return;
 629                 }
 630
 631
 632                 if (opid == "qmcUpdateFeeds") {
 633                         scheduleFeedUpdate(true);
 634                         return;
 635                 }
 636
 637                 if (opid == "qmcCatchupAll") {
 638                         catchupAllFeeds();
 639                         return;
 640                 }
 641
 642                 if (opid == "qmcShowOnlyUnread") {
 643                         toggleDispRead();
 644                         return;
 645                 }
 646
 647                 if (opid == "qmcAddFilter") {
 648                         displayDlg("quickAddFilter", getActiveFeedId());
 649                 }
 650
 651                 if (opid == "qmcAddLabel") {
 652                         addLabel();
 653                 }
 654
 655                 if (opid == "qmcRescoreFeed") {
 656                         rescoreCurrentFeed();
 657                 }
 658
 659                 if (opid == "qmcHKhelp") {
 660                         //Element.show("hotkey_help_overlay");
 661                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
 662                 }
 663
 664                 if (opid == "qmcResetUI") {
 665                         hor_offset = 0;
 666                         ver_offset = 0;
 667                         resize_headlines();
 668                 }
 669
 670                 if (opid == "qmcDownload") {
 671                         displayDlg("offlineDownload");
 672                         return;
 673                 }
 674
 675                 if (opid == "qmcResetCats") {
 676
 677                         if (confirm(__("Reset category order?"))) {
 678
 679                                 var query = "backend.php?op=feeds&subop=catsortreset";
 680
 681                                 notify_progress("Loading, please wait...", true);
 682
 683                                 new Ajax.Request(query, {
 684                                         onComplete: function(transport) {
 685                                                 window.setTimeout('updateFeedList(false, false)', 50);
 686                                         } });
 687                         }
 688                 }
 689
 690         } catch (e) {
 691                 exception_error("quickMenuGo", e);
 692         }
 693 }
 694
 695 function unsubscribeFeed(feed_id, title) {
 696
 697
 698         var msg = __("Unsubscribe from %s?").replace("%s", title);
 699
 700         if (title == undefined || confirm(msg)) {
 701                 notify_progress("Removing feed...");
 702
 703                 var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
 704
 705                 new Ajax.Request(query, {
 706                         onComplete: function(transport) {
 707                                         dlg_frefresh_callback(transport, feed_id);
 708                                 } });
 709         }
 710
 711         return false;
 712 }
 713
 714
 715 function updateFeedTitle(t) {
 716         active_title_text = t;
 717         updateTitle();
 718 }
 719
 720 function toggleDispRead() {
 721         try {
 722
 723                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 724
 725                 hide_read_feeds = !hide_read_feeds;
 726
 727                 debug("toggle_disp_read => " + hide_read_feeds);
 728
 729                 hideOrShowFeeds(hide_read_feeds);
 730
 731                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 732
 733         } catch (e) {
 734                 exception_error("toggleDispRead", e);
 735         }
 736 }
 737
 738 function parse_runtime_info(elem) {
 739         if (!elem) {
 740                 debug("parse_runtime_info: elem is null, aborting");
 741                 return;
 742         }
 743
 744         var param = elem.firstChild;
 745
 746         debug("parse_runtime_info: " + param);
 747
 748         while (param) {
 749                 var k = param.getAttribute("key");
 750                 var v = param.getAttribute("value");
 751
 752                 debug("RI: " + k + " => " + v);
 753
 754                 if (k == "num_feeds") {
 755                         init_params[k] = v;
 756                 }
 757
 758                 if (k == "new_version_available") {
 759                         var icon = document.getElementById("newVersionIcon");
 760                         if (icon) {
 761                                 if (v == "1") {
 762                                         icon.style.display = "inline";
 763                                 } else {
 764                                         icon.style.display = "none";
 765                                 }
 766                         }
 767                 }
 768
 769                 var error_flag;
 770
 771                 if (k == "daemon_is_running" && v != 1) {
 772                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 773                         error_flag = true;
 774                 }
 775
 776                 if (k == "daemon_stamp_ok" && v != 1) {
 777                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 778                         error_flag = true;
 779                 }
 780
 781                 if (!error_flag) {
 782                         notify('');
 783                 }
 784
 785 /*              var w = document.getElementById("noDaemonWarning");
 786
 787                 if (w) {
 788                         if (k == "daemon_is_running" && v != 1) {
 789                                 w.style.display = "block";
 790                         } else {
 791                                 w.style.display = "none";
 792                         }
 793                 } */
 794                 param = param.nextSibling;
 795         }
 796 }
 797
 798 function catchupCurrentFeed() {
 799
 800         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 801
 802         var str = __("Mark all articles in %s as read?").replace("%s", fn);
 803
 804         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 805                 return viewCurrentFeed('MarkAllRead')
 806         }
 807 }
 808
 809 function catchupFeedInGroup(id) {
 810
 811         try {
 812
 813                 var title = getFeedName(id);
 814
 815                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 816
 817                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 818                         return viewCurrentFeed('MarkAllReadGR:' + id)
 819                 }
 820
 821         } catch (e) {
 822                 exception_error("catchupFeedInGroup", e);
 823         }
 824 }
 825
 826 function editFeedDlg(feed) {
 827         try {
 828
 829                 if (!feed) {
 830                         alert(__("Please select some feed first."));
 831                         return;
 832                 }
 833
 834                 if ((feed <= 0) || activeFeedIsCat() || tagsAreDisplayed()) {
 835                         alert(__("You can't edit this kind of feed."));
 836                         return;
 837                 }
 838
 839                 var query = "";
 840
 841                 if (feed > 0) {
 842                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 843                 } else {
 844                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 845                 }
 846
 847                 disableHotkeys();
 848
 849                 new Ajax.Request(query, {
 850                         onComplete: function(transport) {
 851                                 infobox_callback2(transport);
 852                         } });
 853
 854         } catch (e) {
 855                 exception_error("editFeedDlg", e);
 856         }
 857 }
 858
 859 /* this functions duplicate those of prefs.js feed editor, with
 860         some differences because there is no feedlist */
 861
 862 function feedEditCancel() {
 863         closeInfoBox();
 864         return false;
 865 }
 866
 867 function feedEditSave() {
 868
 869         try {
 870
 871                 // FIXME: add parameter validation
 872
 873                 var query = Form.serialize("edit_feed_form");
 874
 875                 notify_progress("Saving feed...");
 876
 877                 new Ajax.Request("backend.php", {
 878                         parameters: query,
 879                         onComplete: function(transport) {
 880                                 dlg_frefresh_callback(transport);
 881                         } });
 882
 883
 884                 closeInfoBox();
 885
 886                 return false;
 887
 888         } catch (e) {
 889                 exception_error("feedEditSave (main)", e);
 890         }
 891 }
 892
 893 function clearFeedArticles(feed_id) {
 894
 895         notify_progress("Clearing feed...");
 896
 897         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
 898
 899         new Ajax.Request(query, {
 900                 onComplete: function(transport) {
 901                                 dlg_frefresh_callback(transport, feed_id);
 902                         } });
 903
 904         return false;
 905 }
 906
 907 function collapse_feedlist() {
 908         try {
 909                 debug("toggle_feedlist");
 910
 911                 var theme = getInitParam("theme");
 912                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 913                                 theme != "compat") return;
 914
 915                 var fl = document.getElementById("feeds-holder");
 916                 var fh = document.getElementById("headlines-frame");
 917                 var fc = document.getElementById("content-frame");
 918                 var ft = document.getElementById("toolbar");
 919                 var ff = document.getElementById("footer");
 920                 var fhdr = document.getElementById("header");
 921                 var fbtn = document.getElementById("collapse_feeds_btn");
 922
 923                 if (!Element.visible(fl)) {
 924                         Element.show(fl);
 925                         fbtn.value = "<<";
 926
 927                         if (theme != "graycube") {
 928
 929                                 fh.style.left = fl.offsetWidth + "px";
 930                                 ft.style.left = fl.offsetWidth + "px";
 931                                 if (fc) fc.style.left = fl.offsetWidth + "px";
 932                                 if (ff && theme != "compat") ff.style.left = (fl.offsetWidth-1) + "px";
 933
 934                                 if (theme == "compact") fhdr.style.left = (fl.offsetWidth + 10) + "px";
 935                         } else {
 936                                 fh.style.left = fl.offsetWidth + 40 + "px";
 937                                 ft.style.left = fl.offsetWidth + 40 +"px";
 938                                 if (fc) fc.style.left = fl.offsetWidth + 40 + "px";
 939                         }
 940
 941                         setCookie("ttrss_vf_fclps", "0");
 942
 943                 } else {
 944                         Element.hide(fl);
 945                         fbtn.value = ">>";
 946
 947                         if (theme != "graycube") {
 948
 949                                 fh.style.left = "0px";
 950                                 ft.style.left = "0px";
 951                                 if (fc) fc.style.left = "0px";
 952                                 if (ff) ff.style.left = "0px";
 953
 954                                 if (theme == "compact") fhdr.style.left = "10px";
 955
 956                         } else {
 957                                 fh.style.left = "20px";
 958                                 ft.style.left = "20px";
 959                                 if (fc) fc.style.left = "20px";
 960
 961                         }
 962
 963                         setCookie("ttrss_vf_fclps", "1");
 964                 }
 965         } catch (e) {
 966                 exception_error("toggle_feedlist", e);
 967         }
 968 }
 969
 970 function viewModeChanged() {
 971         cache_empty();
 972         return viewCurrentFeed(0, '')
 973 }
 974
 975 function viewLimitChanged() {
 976         cache_empty();
 977         return viewCurrentFeed(0, '')
 978 }
 979
 980 /* function adjustArticleScore(id, score) {
 981         try {
 982
 983                 var pr = prompt(__("Assign score to article:"), score);
 984
 985                 if (pr != undefined) {
 986                         var query = "backend.php?op=rpc&subop=setScore&id=" + id + "&score=" + pr;
 987
 988                         new Ajax.Request(query, {
 989                         onComplete: function(transport) {
 990                                         viewCurrentFeed();
 991                                 } });
 992
 993                 }
 994         } catch (e) {
 995                 exception_error("adjustArticleScore", e);
 996         }
 997 } */
 998
 999 function rescoreCurrentFeed() {
1000
1001         var actid = getActiveFeedId();
1002
1003         if (activeFeedIsCat() || actid < 0 || tagsAreDisplayed()) {
1004                 alert(__("You can't rescore this kind of feed."));
1005                 return;
1006         }
1007
1008         if (!actid) {
1009                 alert(__("Please select some feed first."));
1010                 return;
1011         }
1012
1013         var fn = getFeedName(actid);
1014         var pr = __("Rescore articles in %s?").replace("%s", fn);
1015
1016         if (confirm(pr)) {
1017                 notify_progress("Rescoring articles...");
1018
1019                 var query = "backend.php?op=pref-feeds&subop=rescore&quiet=1&ids=" + actid;
1020
1021                 new Ajax.Request(query, {
1022                 onComplete: function(transport) {
1023                         viewCurrentFeed();
1024                 } });
1025         }
1026 }
1027
1028 function hotkey_handler(e) {
1029
1030         try {
1031
1032                 var keycode;
1033                 var shift_key = false;
1034
1035                 var feedlist = document.getElementById('feedList');
1036
1037                 try {
1038                         shift_key = e.shiftKey;
1039                 } catch (e) {
1040
1041                 }
1042
1043                 if (window.event) {
1044                         keycode = window.event.keyCode;
1045                 } else if (e) {
1046                         keycode = e.which;
1047                 }
1048
1049                 var keychar = String.fromCharCode(keycode);
1050
1051                 if (keycode == 27) { // escape
1052                         if (Element.visible("hotkey_help_overlay")) {
1053                                 Element.hide("hotkey_help_overlay");
1054                         }
1055                         hotkey_prefix = false;
1056                         closeInfoBox();
1057                 }
1058
1059                 if (!hotkeys_enabled) {
1060                         debug("hotkeys disabled");
1061                         return;
1062                 }
1063
1064                 if (keycode == 16) return; // ignore lone shift
1065
1066                 if ((keycode == 70 || keycode == 67 || keycode == 71)
1067                                 && !hotkey_prefix) {
1068
1069                         hotkey_prefix = keycode;
1070                         debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
1071                         return true;
1072                 }
1073
1074                 if (Element.visible("hotkey_help_overlay")) {
1075                         Element.hide("hotkey_help_overlay");
1076                 }
1077
1078                 /* Global hotkeys */
1079
1080                 if (!hotkey_prefix) {
1081
1082                         if (keycode == 68 && shift_key) { // d
1083                                 if (!Element.visible("debug_output")) {
1084                                         Element.show("debug_output");
1085                                         debug('debug mode activated');
1086                                 } else {
1087                                         Element.hide("debug_output");
1088                                 }
1089
1090                                 return;
1091                         }
1092
1093                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
1094                                 if (!Element.visible("hotkey_help_overlay")) {
1095                                         //Element.show("hotkey_help_overlay");
1096                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
1097                                 } else {
1098                                         Element.hide("hotkey_help_overlay");
1099                                 }
1100                                 return false;
1101                         }
1102
1103                         if (keycode == 191 || keychar == '/') { // /
1104                                 displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
1105                                 return false;
1106                         }
1107
1108                         if (keycode == 82 && shift_key) { // R
1109                                 scheduleFeedUpdate(true);
1110                                 return;
1111                         }
1112
1113                         if (keycode == 74) { // j
1114                                 var feed = getActiveFeedId();
1115                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'prev');
1116 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1117                                 if (new_feed) {
1118                                         var is_cat = new_feed.match("CAT:");
1119                                         if (is_cat) {
1120                                                 new_feed = new_feed.replace("CAT:", "");
1121                                                 viewCategory(new_feed);
1122                                         } else {
1123                                                 viewfeed(new_feed, '', false);
1124                                         }
1125                                 }
1126                                 return;
1127                         }
1128
1129                         if (keycode == 75) { // k
1130                                 var feed = getActiveFeedId();
1131                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'next');
1132 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1133                                 if (new_feed) {
1134                                         var is_cat = new_feed.match("CAT:");
1135                                         if (is_cat == "CAT:") {
1136                                                 new_feed = new_feed.replace("CAT:", "");
1137                                                 viewCategory(new_feed);
1138                                         } else {
1139                                                 viewfeed(new_feed, '', false);
1140                                         }
1141                                 }
1142                                 return;
1143                         }
1144
1145                         if (shift_key && keycode == 40) { // shift-down
1146                                 catchupRelativeToArticle(1);
1147                                 return;
1148                         }
1149
1150                         if (shift_key && keycode == 38) { // shift-up
1151                                 catchupRelativeToArticle(0);
1152                                 return;
1153                         }
1154
1155                         if (shift_key && keycode == 78) { // N
1156                                 scrollArticle(50);
1157                                 return;
1158                         }
1159
1160                         if (shift_key && keycode == 80) { // P
1161                                 scrollArticle(-50);
1162                                 return;
1163                         }
1164
1165
1166                         if (keycode == 78 || keycode == 40) { // n, down
1167                                 if (typeof moveToPost != 'undefined') {
1168                                         moveToPost('next');
1169                                         return;
1170                                 }
1171                         }
1172
1173                         if (keycode == 80 || keycode == 38) { // p, up
1174                                 if (typeof moveToPost != 'undefined') {
1175                                         moveToPost('prev');
1176                                         return;
1177                                 }
1178                         }
1179
1180                         if (keycode == 83 && shift_key) { // S
1181                                 var id = getActiveArticleId();
1182                                 if (id) {
1183                                         togglePub(id);
1184                                 }
1185                                 return;
1186                         }
1187
1188                         if (keycode == 83) { // s
1189                                 var id = getActiveArticleId();
1190                                 if (id) {
1191                                         toggleMark(id);
1192                                 }
1193                                 return;
1194                         }
1195
1196
1197                         if (keycode == 85) { // u
1198                                 var id = getActiveArticleId();
1199                                 if (id) {
1200                                         toggleUnread(id);
1201                                 }
1202                                 return;
1203                         }
1204
1205                         if (keycode == 84 && shift_key) { // T
1206                                 var id = getActiveArticleId();
1207                                 if (id) {
1208                                         editArticleTags(id, getActiveFeedId(), isCdmMode());
1209                                         return;
1210                                 }
1211                         }
1212
1213                         if (keycode == 9) { // tab
1214                                 var id = getArticleUnderPointer();
1215                                 if (id) {
1216                                         var cb = document.getElementById("RCHK-" + id);
1217
1218                                         if (cb) {
1219                                                 cb.checked = !cb.checked;
1220                                                 toggleSelectRowById(cb, "RROW-" + id);
1221                                                 return false;
1222                                         }
1223                                 }
1224                         }
1225
1226                         if (keycode == 79) { // o
1227                                 if (getActiveArticleId()) {
1228                                         openArticleInNewWindow(getActiveArticleId());
1229                                         return;
1230                                 }
1231                         }
1232
1233                         if (keycode == 81 && shift_key) { // Q
1234                                 if (typeof catchupAllFeeds != 'undefined') {
1235                                         catchupAllFeeds();
1236                                         return;
1237                                 }
1238                         }
1239
1240                         if (keycode == 88) { // x
1241                                 if (activeFeedIsCat()) {
1242                                         toggleCollapseCat(getActiveFeedId());
1243                                 }
1244                         }
1245                 }
1246
1247                 /* Prefix f */
1248
1249                 if (hotkey_prefix == 70) { // f
1250
1251                         hotkey_prefix = false;
1252
1253                         if (keycode == 81) { // q
1254                                 if (getActiveFeedId()) {
1255                                         catchupCurrentFeed();
1256                                         return;
1257                                 }
1258                         }
1259
1260                         if (keycode == 82) { // r
1261                                 if (getActiveFeedId()) {
1262                                         viewfeed(getActiveFeedId(), "ForceUpdate", activeFeedIsCat());
1263                                         return;
1264                                 }
1265                         }
1266
1267                         if (keycode == 65) { // a
1268                                 toggleDispRead();
1269                                 return false;
1270                         }
1271
1272                         if (keycode == 85 && shift_key) { // U
1273                                 scheduleFeedUpdate(true);
1274                                 return false;
1275                         }
1276
1277                         if (keycode == 85) { // u
1278                                 if (getActiveFeedId()) {
1279                                         viewfeed(getActiveFeedId(), "ForceUpdate");
1280                                         return false;
1281                                 }
1282                         }
1283
1284                         if (keycode == 69) { // e
1285                                 editFeedDlg(getActiveFeedId());
1286                                 return false;
1287                         }
1288
1289                         if (keycode == 83) { // s
1290                                 displayDlg("quickAddFeed");
1291                                 return false;
1292                         }
1293
1294                         if (keycode == 67 && shift_key) { // C
1295                                 if (typeof catchupAllFeeds != 'undefined') {
1296                                         catchupAllFeeds();
1297                                         return false;
1298                                 }
1299                         }
1300
1301                         if (keycode == 67) { // c
1302                                 if (getActiveFeedId()) {
1303                                         catchupCurrentFeed();
1304                                         return false;
1305                                 }
1306                         }
1307
1308                         if (keycode == 68 && shift_key) { // D
1309                                 initiate_offline_download();
1310                                 return false;
1311                         }
1312
1313                         if (keycode == 68) { // d
1314                                 displayDlg("offlineDownload");
1315                                 return false;
1316                         }
1317
1318                         if (keycode == 87) { // w
1319                                 feeds_sort_by_unread = !feeds_sort_by_unread;
1320                                 return resort_feedlist();
1321                         }
1322
1323                         if (keycode == 72) { // h
1324                                 hideReadHeadlines();
1325                                 return;
1326                         }
1327
1328                 }
1329
1330                 /* Prefix c */
1331
1332                 if (hotkey_prefix == 67) { // c
1333                         hotkey_prefix = false;
1334
1335                         if (keycode == 70) { // f
1336                                 displayDlg("quickAddFilter", getActiveFeedId());
1337                                 return false;
1338                         }
1339
1340                         if (keycode == 76) { // l
1341                                 addLabel();
1342                                 return false;
1343                         }
1344
1345                         if (keycode == 83) { // s
1346                                 if (typeof collapse_feedlist != 'undefined') {
1347                                         collapse_feedlist();
1348                                         return false;
1349                                 }
1350                         }
1351
1352                         if (keycode == 77) { // m
1353                                 feedlist_sortable_enabled = !feedlist_sortable_enabled;
1354                                 if (feedlist_sortable_enabled) {
1355                                         notify_info("Category reordering enabled");
1356                                         toggle_sortable_feedlist(true);
1357                                 } else {
1358                                         notify_info("Category reordering disabled");
1359                                         toggle_sortable_feedlist(false);
1360                                 }
1361                         }
1362
1363                         if (keycode == 78) { // n
1364                                 catchupRelativeToArticle(1);
1365                                 return;
1366                         }
1367
1368                         if (keycode == 80) { // p
1369                                 catchupRelativeToArticle(0);
1370                                 return;
1371                         }
1372
1373
1374                 }
1375
1376                 /* Prefix g */
1377
1378                 if (hotkey_prefix == 71) { // g
1379
1380                         hotkey_prefix = false;
1381
1382
1383                         if (keycode == 65) { // a
1384                                 viewfeed(-4);
1385                                 return false;
1386                         }
1387
1388                         if (keycode == 83) { // s
1389                                 viewfeed(-1);
1390                                 return false;
1391                         }
1392
1393                         if (keycode == 80 && shift_key) { // P
1394                                 gotoPreferences();
1395                                 return false;
1396                         }
1397
1398                         if (keycode == 80) { // p
1399                                 viewfeed(-2);
1400                                 return false;
1401                         }
1402
1403                         if (keycode == 70) { // f
1404                                 viewfeed(-3);
1405                                 return false;
1406                         }
1407
1408                         if (keycode == 84 && shift_key) { // T
1409                                 toggleTags();
1410                                 return false;
1411                         }
1412                 }
1413
1414                 /* Cmd */
1415
1416                 if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f
1417                         hotkey_prefix = false;
1418                         return;
1419                 }
1420
1421                 if (hotkey_prefix) {
1422                         debug("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1423                 } else {
1424                         debug("KP: CODE=" + keycode + " CHAR=" + keychar);
1425                 }
1426
1427
1428         } catch (e) {
1429                 exception_error("hotkey_handler", e);
1430         }
1431 }
1432
1433 function feedsSortByUnread() {
1434         return feeds_sort_by_unread;
1435 }
1436
1437 function addLabel() {
1438
1439         try {
1440
1441                 var caption = prompt(__("Please enter label caption:"), "");
1442
1443                 if (caption != undefined) {
1444
1445                         if (caption == "") {
1446                                 alert(__("Can't create label: missing caption."));
1447                                 return false;
1448                         }
1449
1450                         var query = "backend.php?op=pref-labels&subop=add&caption=" +
1451                                 param_escape(caption);
1452
1453                         notify_progress("Loading, please wait...", true);
1454
1455                         new Ajax.Request(query, {
1456                                 onComplete: function(transport) {
1457                                         updateFeedList();
1458                         } });
1459
1460                 }
1461
1462         } catch (e) {
1463                 exception_error("addLabel", e);
1464         }
1465 }
1466
1467 function visitOfficialSite() {
1468         window.open("http://tt-rss.org/");
1469 }
1470
1471
1472 function feedBrowserSubscribe() {
1473         try {
1474
1475                 var selected = getSelectedFeedsFromBrowser();
1476
1477                 if (selected.length > 0) {
1478                         closeInfoBox();
1479
1480                         notify_progress("Loading, please wait...", true);
1481
1482                         var query =  "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1483                                 param_escape(selected.toString());
1484
1485                         new Ajax.Request(query, {
1486                                 onComplete: function(transport) {
1487                                         updateFeedList();
1488                                 } });
1489
1490                 } else {
1491                         alert(__("No feeds are selected."));
1492                 }
1493
1494         } catch (e) {
1495                 exception_error("feedBrowserSubscribe", e);
1496         }
1497 }
1498
1499 function init_gears() {
1500         try {
1501
1502                 if (window.google && google.gears) {
1503                         localServer = google.gears.factory.create("beta.localserver");
1504                         store = localServer.createManagedStore("tt-rss");
1505                         db = google.gears.factory.create('beta.database');
1506                         db.open('tt-rss');
1507
1508                         db.execute("CREATE TABLE IF NOT EXISTS cache (id text, article text, param text, added text)");
1509
1510                         db.execute("CREATE TABLE if not exists feeds (id integer, title text, has_icon integer)");
1511
1512                         db.execute("CREATE TABLE if not exists articles (id integer, feed_id integer, title text, link text, guid text, updated text, content text, tags text, unread text, marked text)");
1513
1514                         var qmcDownload = document.getElementById("qmcDownload");
1515                         if (qmcDownload) Element.show(qmcDownload);
1516
1517                 }
1518
1519                 cache_expire();
1520
1521         } catch (e) {
1522                 exception_error("init_gears", e);
1523         }
1524 }
1525
1526 function init_offline() {
1527         try {
1528                 offline_mode = true;
1529
1530                 render_offline_feedlist();
1531
1532                 remove_splash();
1533         } catch (e) {
1534                 exception_error("init_offline", e);
1535         }
1536 }
1537
1538 function offline_download_parse(stage, transport) {
1539         try {
1540                 if (transport.responseXML) {
1541
1542                         if (stage == 0) {
1543
1544                                 var feeds = transport.responseXML.getElementsByTagName("feed");
1545
1546                                 if (feeds.length > 0) {
1547                                         db.execute("DELETE FROM feeds");
1548                                 }
1549
1550                                 for (var i = 0; i < feeds.length; i++) {
1551                                         var id = feeds[i].getAttribute("id");
1552                                         var has_icon = feeds[i].getAttribute("has_icon");
1553                                         var title = feeds[i].firstChild.nodeValue;
1554
1555                                         db.execute("INSERT INTO feeds (id,title,has_icon)"+
1556                                                 "VALUES (?,?,?)",
1557                                                 [id, title, has_icon]);
1558                                 }
1559
1560                                 window.setTimeout("initiate_offline_download("+(stage+1)+")", 50);
1561                         } else {
1562
1563                                 var articles = transport.responseXML.getElementsByTagName("article");
1564
1565                                 var articles_found = 0;
1566
1567                                 for (var i = 0; i < articles.length; i++) {
1568                                         var a = eval("("+articles[i].firstChild.nodeValue+")");
1569                                         articles_found++;
1570                                         if (a) {
1571                                                 db.execute("DELETE FROM articles WHERE id = ?", [a.id]);
1572                                                 db.execute("INSERT INTO articles "+
1573                                                         "(id, feed_id, title, link, guid, updated, content, unread, marked) "+
1574                                                         "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
1575                                                         [a.id, a.feed_id, a.title, a.link, a.guid, a.updated,
1576                                                                 a.content, a.unread, a.marked]);
1577
1578                                         }
1579                                 }
1580
1581                                 if (articles_found > 0) {
1582                                         window.setTimeout("initiate_offline_download("+(stage+1)+")", 50);
1583                                 }
1584                         }
1585
1586                         notify_info("All done.");
1587
1588                 }
1589         } catch (e) {
1590                 exception_error("offline_download_parse", e);
1591         }
1592 }
1593
1594 function initiate_offline_download(stage) {
1595         try {
1596
1597                 if (!stage) stage = 0;
1598
1599                 notify_progress("Loading, please wait... (" + stage +")", true);
1600
1601                 var query = "backend.php?op=rpc&subop=download&stage=" + stage;
1602
1603                 var rs = db.execute("SELECT MAX(id) FROM articles");
1604                 if (rs.isValidRow()) {
1605                         query = query + "&cid=" + rs.field(0);
1606                 }
1607
1608                 if (document.getElementById("download_ops_form")) {
1609                         query = query + "&" + Form.serialize("download_ops_form");
1610                 }
1611
1612                 new Ajax.Request(query, {
1613                         onComplete: function(transport) {
1614                                 offline_download_parse(stage, transport);
1615                         } });
1616
1617         } catch (e) {
1618                 exception_error("initiate_offline_download", e);
1619         }
1620 }