tt-rss.js

   1 var SCHEMA_VERSION = 1;
   2
   3 var total_unread = 0;
   4 var first_run = true;
   5 var display_tags = false;
   6 var global_unread = -1;
   7 var active_title_text = "";
   8 var current_subtitle = "";
   9 var daemon_enabled = false;
  10 var daemon_refresh_only = false;
  11 //var _qfd_deleted_feed = 0;
  12 var firsttime_update = true;
  13 var _active_feed_id = 0;
  14 var _active_feed_is_cat = false;
  15 var number_of_feeds = 0;
  16 var sanity_check_done = false;
  17 var _hfd_scrolltop = 0;
  18 var hotkey_prefix = false;
  19 var init_params = new Object();
  20 var ver_offset = 0;
  21 var hor_offset = 0;
  22 var feeds_sort_by_unread = false;
  23 var feedlist_sortable_enabled = false;
  24 var offline_mode = false;
  25 var store = false;
  26 var localServer = false;
  27 var db = false;
  28 var download_progress_last = 0;
  29 var offline_dl_max_id = 0;
  30
  31 function activeFeedIsCat() {
  32         return _active_feed_is_cat;
  33 }
  34
  35 function getActiveFeedId() {
  36 //      return getCookie("ttrss_vf_actfeed");
  37         try {
  38                 debug("gAFID: " + _active_feed_id);
  39                 return _active_feed_id;
  40         } catch (e) {
  41                 exception_error("getActiveFeedId", e);
  42         }
  43 }
  44
  45 function setActiveFeedId(id, is_cat) {
  46 //      return setCookie("ttrss_vf_actfeed", id);
  47         try {
  48                 debug("sAFID(" + id + ", " + is_cat + ")");
  49                 _active_feed_id = id;
  50
  51                 if (is_cat != undefined) {
  52                         _active_feed_is_cat = is_cat;
  53                 }
  54
  55         } catch (e) {
  56                 exception_error("setActiveFeedId", e);
  57         }
  58 }
  59
  60
  61 function isFeedlistSortable() {
  62         return feedlist_sortable_enabled;
  63 }
  64
  65 function tagsAreDisplayed() {
  66         return display_tags;
  67 }
  68
  69 function toggleTags(show_all) {
  70
  71         try {
  72
  73         debug("toggleTags: " + show_all + "; " + display_tags);
  74
  75         var p = document.getElementById("dispSwitchPrompt");
  76
  77         if (!show_all && !display_tags) {
  78                 displayDlg("printTagCloud");
  79         } else if (show_all) {
  80                 closeInfoBox();
  81                 display_tags = true;
  82                 p.innerHTML = __("display feeds");
  83                 notify_progress("Loading, please wait...", true);
  84                 updateFeedList();
  85         } else if (display_tags) {
  86                 display_tags = false;
  87                 p.innerHTML = __("tag cloud");
  88                 notify_progress("Loading, please wait...", true);
  89                 updateFeedList();
  90         }
  91
  92         } catch (e) {
  93                 exception_error("toggleTags", e);
  94         }
  95 }
  96
  97 function dlg_frefresh_callback(transport, deleted_feed) {
  98         if (getActiveFeedId() == deleted_feed) {
  99                 var h = document.getElementById("headlines-frame");
 100                 if (h) {
 101                         h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
 102                 }
 103         }
 104
 105         setTimeout('updateFeedList(false, false)', 50);
 106         closeInfoBox();
 107 }
 108
 109 function refetch_callback2(transport) {
 110         try {
 111
 112                 var date = new Date();
 113
 114                 parse_counters_reply(transport, true);
 115
 116                 debug("refetch_callback2: done");
 117
 118 /*              if (!daemon_enabled && !daemon_refresh_only) {
 119                         notify_info("All feeds updated.");
 120                         updateTitle("");
 121                 } else {
 122                         //notify("");
 123                 } */
 124         } catch (e) {
 125                 exception_error("refetch_callback", e);
 126                 updateTitle("");
 127         }
 128 }
 129
 130 function backend_sanity_check_callback(transport) {
 131
 132         try {
 133
 134                 if (sanity_check_done) {
 135                         fatalError(11, "Sanity check request received twice. This can indicate "+
 136                       "presence of Firebug or some other disrupting extension. "+
 137                                 "Please disable it and try again.");
 138                         return;
 139                 }
 140
 141                 if (!transport.responseXML) {
 142                         if (!window.google && !google.gears) {
 143                                 fatalError(3, "Sanity check: Received reply is not XML", transport.responseText);
 144                         } else {
 145                                 init_offline();
 146                         }
 147                         return;
 148                 }
 149
 150                 if (getURLParam("offline")) {
 151                         return init_offline();
 152                 }
 153
 154                 var reply = transport.responseXML.firstChild.firstChild;
 155
 156                 if (!reply) {
 157                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
 158                         return;
 159                 }
 160
 161                 var error_code = reply.getAttribute("error-code");
 162
 163                 if (error_code && error_code != 0) {
 164                         return fatalError(error_code, reply.getAttribute("error-msg"));
 165                 }
 166
 167                 debug("sanity check ok");
 168
 169                 var params = reply.nextSibling;
 170
 171                 if (params) {
 172                         debug('reading init-params...');
 173                         var param = params.firstChild;
 174
 175                         while (param) {
 176                                 var k = param.getAttribute("key");
 177                                 var v = param.getAttribute("value");
 178                                 debug(k + " => " + v);
 179                                 init_params[k] = v;
 180                                 param = param.nextSibling;
 181                         }
 182                 }
 183
 184                 sanity_check_done = true;
 185
 186                 init_second_stage();
 187
 188         } catch (e) {
 189                 exception_error("backend_sanity_check_callback", e, transport);
 190         }
 191 }
 192
 193 function scheduleFeedUpdate(force) {
 194
 195         debug("in scheduleFeedUpdate");
 196
 197 /*      if (!daemon_enabled && !daemon_refresh_only) {
 198                 notify_progress("Updating feeds...", true);
 199         } */
 200
 201         var query_str = "backend.php?op=rpc&subop=";
 202
 203         if (force) {
 204                 query_str = query_str + "forceUpdateAllFeeds";
 205         } else {
 206                 query_str = query_str + "updateAllFeeds";
 207         }
 208
 209         var omode;
 210
 211         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 212                 firsttime_update = false;
 213                 omode = "T";
 214         } else {
 215                 if (display_tags) {
 216                         omode = "tl";
 217                 } else {
 218                         omode = "flc";
 219                 }
 220         }
 221
 222         query_str = query_str + "&omode=" + omode;
 223         query_str = query_str + "&uctr=" + global_unread;
 224
 225         var date = new Date();
 226         var timestamp = Math.round(date.getTime() / 1000);
 227         query_str = query_str + "&ts=" + timestamp
 228
 229         debug("REFETCH query: " + query_str);
 230
 231         new Ajax.Request(query_str, {
 232                 onComplete: function(transport) {
 233                                 refetch_callback2(transport);
 234                         } });
 235 }
 236
 237 function updateFeedList(silent, fetch) {
 238
 239 //      if (silent != true) {
 240 //              notify("Loading feed list...");
 241 //      }
 242
 243         debug("<b>updateFeedList</b>");
 244
 245         var query_str = "backend.php?op=feeds";
 246
 247         if (display_tags) {
 248                 query_str = query_str + "&tags=1";
 249         }
 250
 251         if (getActiveFeedId() && !activeFeedIsCat()) {
 252                 query_str = query_str + "&actid=" + getActiveFeedId();
 253         }
 254
 255         var date = new Date();
 256         var timestamp = Math.round(date.getTime() / 1000);
 257         query_str = query_str + "&ts=" + timestamp
 258
 259         if (fetch) query_str = query_str + "&fetch=yes";
 260
 261 //      var feeds_frame = document.getElementById("feeds-frame");
 262 //      feeds_frame.src = query_str;
 263
 264         debug("updateFeedList Q=" + query_str);
 265
 266         new Ajax.Request(query_str, {
 267                 onComplete: function(transport) {
 268                         feedlist_callback2(transport);
 269                 } });
 270
 271 }
 272
 273 function catchupAllFeeds() {
 274
 275         var str = __("Mark all articles as read?");
 276
 277         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 278
 279                 var query_str = "backend.php?op=feeds&subop=catchupAll";
 280
 281                 notify_progress("Marking all feeds as read...");
 282
 283                 debug("catchupAllFeeds Q=" + query_str);
 284
 285                 new Ajax.Request(query_str, {
 286                         onComplete: function(transport) {
 287                                 feedlist_callback2(transport);
 288                         } });
 289
 290                 global_unread = 0;
 291                 updateTitle("");
 292         }
 293 }
 294
 295 function viewCurrentFeed(subop) {
 296
 297 //      if (getActiveFeedId()) {
 298         if (getActiveFeedId() != undefined) {
 299                 viewfeed(getActiveFeedId(), subop, activeFeedIsCat());
 300         } else {
 301                 disableContainerChildren("headlinesToolbar", false, document);
 302 //              viewfeed(-1, subop); // FIXME
 303         }
 304         return false; // block unneeded form submits
 305 }
 306
 307 function viewfeed(feed, subop) {
 308         var f = window.frames["feeds-frame"];
 309         f.viewfeed(feed, subop);
 310 }
 311
 312 function timeout() {
 313         if (getInitParam("bw_limit") == "1") return;
 314
 315         scheduleFeedUpdate(false);
 316
 317         var refresh_time = getInitParam("feeds_frame_refresh");
 318
 319         if (!refresh_time) refresh_time = 600;
 320
 321         setTimeout("timeout()", refresh_time*1000);
 322 }
 323
 324 function resetSearch() {
 325         var searchbox = document.getElementById("searchbox")
 326
 327         if (searchbox.value != "" && getActiveFeedId()) {
 328                 searchbox.value = "";
 329                 viewfeed(getActiveFeedId(), "");
 330         }
 331 }
 332
 333 function searchCancel() {
 334         closeInfoBox(true);
 335 }
 336
 337 function search() {
 338         closeInfoBox();
 339         viewCurrentFeed(0, "");
 340 }
 341
 342 // if argument is undefined, current subtitle is not updated
 343 // use blank string to clear subtitle
 344 function updateTitle(s) {
 345         var tmp = "Tiny Tiny RSS";
 346
 347         if (s != undefined) {
 348                 current_subtitle = s;
 349         }
 350
 351         if (global_unread > 0) {
 352                 tmp = tmp + " (" + global_unread + ")";
 353         }
 354
 355         if (current_subtitle) {
 356                 tmp = tmp + " - " + current_subtitle;
 357         }
 358
 359         if (active_title_text.length > 0) {
 360                 tmp = tmp + " > " + active_title_text;
 361         }
 362
 363         document.title = tmp;
 364 }
 365
 366 function genericSanityCheck() {
 367
 368 //      if (!Ajax.getTransport()) fatalError(1);
 369
 370         setCookie("ttrss_vf_test", "TEST");
 371
 372         if (getCookie("ttrss_vf_test") != "TEST") {
 373                 fatalError(2);
 374         }
 375
 376         return true;
 377 }
 378
 379 function init() {
 380
 381         try {
 382
 383                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 384
 385                 if (arguments.callee.done) return;
 386                 arguments.callee.done = true;
 387
 388                 init_gears();
 389
 390                 disableContainerChildren("headlinesToolbar", true);
 391
 392                 Form.disable("main_toolbar_form");
 393
 394                 if (!genericSanityCheck())
 395                         return;
 396
 397                 if (getURLParam('debug')) {
 398                         Element.show("debug_output");
 399                         debug('debug mode activated');
 400                 }
 401
 402                 var params = "&ua=" + param_escape(navigator.userAgent);
 403
 404                 loading_set_progress(30);
 405
 406                 new Ajax.Request("backend.php?op=rpc&subop=sanityCheck" + params,       {
 407                         onComplete: function(transport) {
 408                                         backend_sanity_check_callback(transport);
 409                                 } });
 410
 411         } catch (e) {
 412                 exception_error("init", e);
 413         }
 414 }
 415
 416 function resize_headlines(delta_x, delta_y) {
 417
 418         try {
 419
 420                 debug("resize_headlines: " + delta_x + ":" + delta_y);
 421
 422                 var h_frame = document.getElementById("headlines-frame");
 423                 var c_frame = document.getElementById("content-frame");
 424                 var f_frame = document.getElementById("footer");
 425                 var feeds_frame = document.getElementById("feeds-holder");
 426                 var resize_grab = document.getElementById("resize-grabber");
 427                 var resize_handle = document.getElementById("resize-handle");
 428
 429                 if (!c_frame || !h_frame) return;
 430
 431                 if (feeds_frame && getInitParam("theme") == "compat") {
 432                                 feeds_frame.style.bottom = f_frame.offsetHeight + "px";
 433                 }
 434
 435                 if (getInitParam("theme") == "3pane") {
 436
 437                         if (delta_x != undefined) {
 438                                 if (c_frame.offsetLeft - delta_x > feeds_frame.offsetWidth + feeds_frame.offsetLeft + 100 && c_frame.offsetWidth + delta_x > 100) {
 439                                         hor_offset = hor_offset + delta_x;
 440                                 }
 441                         }
 442
 443                         debug("resize_headlines: HOR-mode: " + hor_offset);
 444
 445                         c_frame.style.width = (400 + hor_offset) + "px";
 446                         h_frame.style.right = c_frame.offsetWidth - 1 + "px";
 447
 448                         resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight - 60) + "px";
 449                         resize_grab.style.left = (h_frame.offsetLeft + h_frame.offsetWidth -
 450                                 4) + "px";
 451                         resize_grab.style.display = "block";
 452
 453                         resize_handle.src = "themes/3pane/images/resize_handle_vert.png";
 454                         resize_handle.style.paddingTop = (resize_grab.offsetHeight / 2 - 7) + "px";
 455
 456                 } else {
 457
 458                         if (delta_y != undefined) {
 459                                 if (c_frame.offsetHeight + delta_y > 100 && h_frame.offsetHeight - delta_y > 100) {
 460                                         ver_offset = ver_offset + delta_y;
 461                                 }
 462                         }
 463
 464                         debug("resize_headlines: VER-mode: " + ver_offset);
 465
 466                         h_frame.style.height = (300 - ver_offset) + "px";
 467
 468                         c_frame.style.top = (h_frame.offsetTop + h_frame.offsetHeight + 0) + "px";
 469                         h_frame.style.height = h_frame.offsetHeight + "px";
 470
 471                         var theme_c = 0;
 472
 473                         if (getInitParam("theme") == "graycube") {
 474                                 theme_c = 1;
 475                         }
 476
 477                         if (getInitParam("theme") == "graycube" || getInitParam("theme") == "compat") {
 478                                 resize_handle.src = "themes/graycube/images/resize_handle_horiz.png";
 479                         }
 480
 481 /*                      resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight -
 482                                 4 - theme_c) + "px";
 483                         resize_grab.style.display = "block"; */
 484
 485                 }
 486
 487                 if (getInitParam("cookie_lifetime") != 0) {
 488                         setCookie("ttrss_offset_ver", ver_offset,
 489                                 getInitParam("cookie_lifetime"));
 490                         setCookie("ttrss_offset_hor", hor_offset,
 491                                 getInitParam("cookie_lifetime"));
 492                 } else {
 493                         setCookie("ttrss_offset_ver", ver_offset);
 494                         setCookie("ttrss_offset_hor", hor_offset);
 495                 }
 496
 497         } catch (e) {
 498                 exception_error("resize_headlines", e);
 499         }
 500
 501 }
 502
 503 function init_second_stage() {
 504
 505         try {
 506
 507                 delCookie("ttrss_vf_test");
 508
 509 //              document.onresize = resize_headlines;
 510
 511                 var toolbar = document.forms["main_toolbar_form"];
 512
 513                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 514                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 515                 dropboxSelect(toolbar.order_by, getInitParam("default_view_order_by"));
 516
 517                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 518                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 519                 feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
 520
 521                 var fl = cache_find_param("FEEDLIST", getInitParam("num_feeds"));
 522
 523                 if (fl) {
 524                         render_feedlist(fl);
 525                         if (document.getElementById("feedList")) {
 526                                 request_counters();
 527                         } else {
 528                                 setTimeout('updateFeedList(false, false)', 50);
 529                         }
 530                 } else {
 531                         setTimeout('updateFeedList(false, false)', 50);
 532                 }
 533
 534                 debug("second stage ok");
 535
 536                 loading_set_progress(60);
 537
 538                 ver_offset = parseInt(getCookie("ttrss_offset_ver"));
 539                 hor_offset = parseInt(getCookie("ttrss_offset_hor"));
 540
 541                 debug("got offsets from cookies: ver " + ver_offset + " hor " + hor_offset);
 542
 543                 /* fuck IE */
 544
 545                 if (isNaN(hor_offset)) hor_offset = 0;
 546                 if (isNaN(ver_offset)) ver_offset = 0;
 547
 548                 debug("offsets from cookies [x:y]: " + hor_offset + ":" + ver_offset);
 549
 550                 resize_headlines();
 551
 552         } catch (e) {
 553                 exception_error("init_second_stage", e);
 554         }
 555 }
 556
 557 function quickMenuChange() {
 558         var chooser = document.getElementById("quickMenuChooser");
 559         var opid = chooser[chooser.selectedIndex].value;
 560
 561         chooser.selectedIndex = 0;
 562         quickMenuGo(opid);
 563 }
 564
 565 function quickMenuGo(opid) {
 566         try {
 567
 568                 if (opid == "qmcPrefs") {
 569                         gotoPreferences();
 570                 }
 571
 572                 if (opid == "qmcSearch") {
 573                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 574                         return;
 575                 }
 576
 577                 if (opid == "qmcAddFeed") {
 578                         displayDlg("quickAddFeed");
 579                         return;
 580                 }
 581
 582                 if (opid == "qmcEditFeed") {
 583                         editFeedDlg(getActiveFeedId());
 584                 }
 585
 586                 if (opid == "qmcRemoveFeed") {
 587                         var actid = getActiveFeedId();
 588
 589                         if (activeFeedIsCat()) {
 590                                 alert(__("You can't unsubscribe from the category."));
 591                                 return;
 592                         }
 593
 594                         if (!actid) {
 595                                 alert(__("Please select some feed first."));
 596                                 return;
 597                         }
 598
 599                         var fn = getFeedName(actid);
 600
 601                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 602
 603                         if (confirm(pr)) {
 604                                 unsubscribeFeed(actid);
 605                         }
 606
 607                         return;
 608                 }
 609
 610                 if (opid == "qmcClearFeed") {
 611                         var actid = getActiveFeedId();
 612
 613                         if (!actid) {
 614                                 alert(__("Please select some feed first."));
 615                                 return;
 616                         }
 617
 618                         if (activeFeedIsCat() || actid < 0) {
 619                                 alert(__("You can't clear this type of feed."));
 620                                 return;
 621                         }
 622
 623                         var fn = getFeedName(actid);
 624
 625                         var pr = __("Erase all non-starred articles in %s?").replace("%s", fn);
 626
 627                         if (confirm(pr)) {
 628                                 clearFeedArticles(actid);
 629                         }
 630
 631                         return;
 632                 }
 633
 634
 635                 if (opid == "qmcUpdateFeeds") {
 636                         scheduleFeedUpdate(true);
 637                         return;
 638                 }
 639
 640                 if (opid == "qmcCatchupAll") {
 641                         catchupAllFeeds();
 642                         return;
 643                 }
 644
 645                 if (opid == "qmcShowOnlyUnread") {
 646                         toggleDispRead();
 647                         return;
 648                 }
 649
 650                 if (opid == "qmcAddFilter") {
 651                         displayDlg("quickAddFilter", getActiveFeedId());
 652                 }
 653
 654                 if (opid == "qmcAddLabel") {
 655                         addLabel();
 656                 }
 657
 658                 if (opid == "qmcRescoreFeed") {
 659                         rescoreCurrentFeed();
 660                 }
 661
 662                 if (opid == "qmcHKhelp") {
 663                         //Element.show("hotkey_help_overlay");
 664                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
 665                 }
 666
 667                 if (opid == "qmcResetUI") {
 668                         hor_offset = 0;
 669                         ver_offset = 0;
 670                         resize_headlines();
 671                 }
 672
 673                 if (opid == "qmcDownload") {
 674                         displayDlg("offlineDownload");
 675                         return;
 676                 }
 677
 678                 if (opid == "qmcResetCats") {
 679
 680                         if (confirm(__("Reset category order?"))) {
 681
 682                                 var query = "backend.php?op=feeds&subop=catsortreset";
 683
 684                                 notify_progress("Loading, please wait...", true);
 685
 686                                 new Ajax.Request(query, {
 687                                         onComplete: function(transport) {
 688                                                 window.setTimeout('updateFeedList(false, false)', 50);
 689                                         } });
 690                         }
 691                 }
 692
 693         } catch (e) {
 694                 exception_error("quickMenuGo", e);
 695         }
 696 }
 697
 698 function unsubscribeFeed(feed_id, title) {
 699
 700
 701         var msg = __("Unsubscribe from %s?").replace("%s", title);
 702
 703         if (title == undefined || confirm(msg)) {
 704                 notify_progress("Removing feed...");
 705
 706                 var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
 707
 708                 new Ajax.Request(query, {
 709                         onComplete: function(transport) {
 710                                         dlg_frefresh_callback(transport, feed_id);
 711                                 } });
 712         }
 713
 714         return false;
 715 }
 716
 717
 718 function updateFeedTitle(t) {
 719         active_title_text = t;
 720         updateTitle();
 721 }
 722
 723 function toggleDispRead() {
 724         try {
 725
 726                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 727
 728                 hide_read_feeds = !hide_read_feeds;
 729
 730                 debug("toggle_disp_read => " + hide_read_feeds);
 731
 732                 hideOrShowFeeds(hide_read_feeds);
 733
 734                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 735
 736         } catch (e) {
 737                 exception_error("toggleDispRead", e);
 738         }
 739 }
 740
 741 function parse_runtime_info(elem) {
 742         if (!elem) {
 743                 debug("parse_runtime_info: elem is null, aborting");
 744                 return;
 745         }
 746
 747         var param = elem.firstChild;
 748
 749         debug("parse_runtime_info: " + param);
 750
 751         while (param) {
 752                 var k = param.getAttribute("key");
 753                 var v = param.getAttribute("value");
 754
 755                 debug("RI: " + k + " => " + v);
 756
 757                 if (k == "num_feeds") {
 758                         init_params[k] = v;
 759                 }
 760
 761                 if (k == "new_version_available") {
 762                         var icon = document.getElementById("newVersionIcon");
 763                         if (icon) {
 764                                 if (v == "1") {
 765                                         icon.style.display = "inline";
 766                                 } else {
 767                                         icon.style.display = "none";
 768                                 }
 769                         }
 770                 }
 771
 772                 var error_flag;
 773
 774                 if (k == "daemon_is_running" && v != 1) {
 775                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 776                         error_flag = true;
 777                 }
 778
 779                 if (k == "daemon_stamp_ok" && v != 1) {
 780                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 781                         error_flag = true;
 782                 }
 783
 784                 if (!error_flag) {
 785                         notify('');
 786                 }
 787
 788 /*              var w = document.getElementById("noDaemonWarning");
 789
 790                 if (w) {
 791                         if (k == "daemon_is_running" && v != 1) {
 792                                 w.style.display = "block";
 793                         } else {
 794                                 w.style.display = "none";
 795                         }
 796                 } */
 797                 param = param.nextSibling;
 798         }
 799 }
 800
 801 function catchupCurrentFeed() {
 802
 803         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 804
 805         var str = __("Mark all articles in %s as read?").replace("%s", fn);
 806
 807         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 808                 return viewCurrentFeed('MarkAllRead')
 809         }
 810 }
 811
 812 function catchupFeedInGroup(id) {
 813
 814         try {
 815
 816                 var title = getFeedName(id);
 817
 818                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 819
 820                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 821                         return viewCurrentFeed('MarkAllReadGR:' + id)
 822                 }
 823
 824         } catch (e) {
 825                 exception_error("catchupFeedInGroup", e);
 826         }
 827 }
 828
 829 function editFeedDlg(feed) {
 830         try {
 831
 832                 if (!feed) {
 833                         alert(__("Please select some feed first."));
 834                         return;
 835                 }
 836
 837                 if ((feed <= 0) || activeFeedIsCat() || tagsAreDisplayed()) {
 838                         alert(__("You can't edit this kind of feed."));
 839                         return;
 840                 }
 841
 842                 var query = "";
 843
 844                 if (feed > 0) {
 845                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 846                 } else {
 847                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 848                 }
 849
 850                 disableHotkeys();
 851
 852                 new Ajax.Request(query, {
 853                         onComplete: function(transport) {
 854                                 infobox_callback2(transport);
 855                         } });
 856
 857         } catch (e) {
 858                 exception_error("editFeedDlg", e);
 859         }
 860 }
 861
 862 /* this functions duplicate those of prefs.js feed editor, with
 863         some differences because there is no feedlist */
 864
 865 function feedEditCancel() {
 866         closeInfoBox();
 867         return false;
 868 }
 869
 870 function feedEditSave() {
 871
 872         try {
 873
 874                 // FIXME: add parameter validation
 875
 876                 var query = Form.serialize("edit_feed_form");
 877
 878                 notify_progress("Saving feed...");
 879
 880                 new Ajax.Request("backend.php", {
 881                         parameters: query,
 882                         onComplete: function(transport) {
 883                                 dlg_frefresh_callback(transport);
 884                         } });
 885
 886
 887                 closeInfoBox();
 888
 889                 return false;
 890
 891         } catch (e) {
 892                 exception_error("feedEditSave (main)", e);
 893         }
 894 }
 895
 896 function clearFeedArticles(feed_id) {
 897
 898         notify_progress("Clearing feed...");
 899
 900         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
 901
 902         new Ajax.Request(query, {
 903                 onComplete: function(transport) {
 904                                 dlg_frefresh_callback(transport, feed_id);
 905                         } });
 906
 907         return false;
 908 }
 909
 910 function collapse_feedlist() {
 911         try {
 912                 debug("toggle_feedlist");
 913
 914                 var theme = getInitParam("theme");
 915                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 916                                 theme != "compat") return;
 917
 918                 var fl = document.getElementById("feeds-holder");
 919                 var fh = document.getElementById("headlines-frame");
 920                 var fc = document.getElementById("content-frame");
 921                 var ft = document.getElementById("toolbar");
 922                 var ff = document.getElementById("footer");
 923                 var fhdr = document.getElementById("header");
 924                 var fbtn = document.getElementById("collapse_feeds_btn");
 925
 926                 if (!Element.visible(fl)) {
 927                         Element.show(fl);
 928                         fbtn.value = "<<";
 929
 930                         if (theme != "graycube") {
 931
 932                                 fh.style.left = fl.offsetWidth + "px";
 933                                 ft.style.left = fl.offsetWidth + "px";
 934                                 if (fc) fc.style.left = fl.offsetWidth + "px";
 935                                 if (ff && theme != "compat") ff.style.left = (fl.offsetWidth-1) + "px";
 936
 937                                 if (theme == "compact") fhdr.style.left = (fl.offsetWidth + 10) + "px";
 938                         } else {
 939                                 fh.style.left = fl.offsetWidth + 40 + "px";
 940                                 ft.style.left = fl.offsetWidth + 40 +"px";
 941                                 if (fc) fc.style.left = fl.offsetWidth + 40 + "px";
 942                         }
 943
 944                         setCookie("ttrss_vf_fclps", "0");
 945
 946                 } else {
 947                         Element.hide(fl);
 948                         fbtn.value = ">>";
 949
 950                         if (theme != "graycube") {
 951
 952                                 fh.style.left = "0px";
 953                                 ft.style.left = "0px";
 954                                 if (fc) fc.style.left = "0px";
 955                                 if (ff) ff.style.left = "0px";
 956
 957                                 if (theme == "compact") fhdr.style.left = "10px";
 958
 959                         } else {
 960                                 fh.style.left = "20px";
 961                                 ft.style.left = "20px";
 962                                 if (fc) fc.style.left = "20px";
 963
 964                         }
 965
 966                         setCookie("ttrss_vf_fclps", "1");
 967                 }
 968         } catch (e) {
 969                 exception_error("toggle_feedlist", e);
 970         }
 971 }
 972
 973 function viewModeChanged() {
 974         cache_empty();
 975         return viewCurrentFeed(0, '')
 976 }
 977
 978 function viewLimitChanged() {
 979         cache_empty();
 980         return viewCurrentFeed(0, '')
 981 }
 982
 983 /* function adjustArticleScore(id, score) {
 984         try {
 985
 986                 var pr = prompt(__("Assign score to article:"), score);
 987
 988                 if (pr != undefined) {
 989                         var query = "backend.php?op=rpc&subop=setScore&id=" + id + "&score=" + pr;
 990
 991                         new Ajax.Request(query, {
 992                         onComplete: function(transport) {
 993                                         viewCurrentFeed();
 994                                 } });
 995
 996                 }
 997         } catch (e) {
 998                 exception_error("adjustArticleScore", e);
 999         }
1000 } */
1001
1002 function rescoreCurrentFeed() {
1003
1004         var actid = getActiveFeedId();
1005
1006         if (activeFeedIsCat() || actid < 0 || tagsAreDisplayed()) {
1007                 alert(__("You can't rescore this kind of feed."));
1008                 return;
1009         }
1010
1011         if (!actid) {
1012                 alert(__("Please select some feed first."));
1013                 return;
1014         }
1015
1016         var fn = getFeedName(actid);
1017         var pr = __("Rescore articles in %s?").replace("%s", fn);
1018
1019         if (confirm(pr)) {
1020                 notify_progress("Rescoring articles...");
1021
1022                 var query = "backend.php?op=pref-feeds&subop=rescore&quiet=1&ids=" + actid;
1023
1024                 new Ajax.Request(query, {
1025                 onComplete: function(transport) {
1026                         viewCurrentFeed();
1027                 } });
1028         }
1029 }
1030
1031 function hotkey_handler(e) {
1032
1033         try {
1034
1035                 var keycode;
1036                 var shift_key = false;
1037
1038                 var feedlist = document.getElementById('feedList');
1039
1040                 try {
1041                         shift_key = e.shiftKey;
1042                 } catch (e) {
1043
1044                 }
1045
1046                 if (window.event) {
1047                         keycode = window.event.keyCode;
1048                 } else if (e) {
1049                         keycode = e.which;
1050                 }
1051
1052                 var keychar = String.fromCharCode(keycode);
1053
1054                 if (keycode == 27) { // escape
1055                         if (Element.visible("hotkey_help_overlay")) {
1056                                 Element.hide("hotkey_help_overlay");
1057                         }
1058                         hotkey_prefix = false;
1059                         closeInfoBox();
1060                 }
1061
1062                 if (!hotkeys_enabled) {
1063                         debug("hotkeys disabled");
1064                         return;
1065                 }
1066
1067                 if (keycode == 16) return; // ignore lone shift
1068
1069                 if ((keycode == 70 || keycode == 67 || keycode == 71)
1070                                 && !hotkey_prefix) {
1071
1072                         hotkey_prefix = keycode;
1073                         debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
1074                         return true;
1075                 }
1076
1077                 if (Element.visible("hotkey_help_overlay")) {
1078                         Element.hide("hotkey_help_overlay");
1079                 }
1080
1081                 /* Global hotkeys */
1082
1083                 if (!hotkey_prefix) {
1084
1085                         if (keycode == 68 && shift_key) { // d
1086                                 if (!Element.visible("debug_output")) {
1087                                         Element.show("debug_output");
1088                                         debug('debug mode activated');
1089                                 } else {
1090                                         Element.hide("debug_output");
1091                                 }
1092
1093                                 return;
1094                         }
1095
1096                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
1097                                 if (!Element.visible("hotkey_help_overlay")) {
1098                                         //Element.show("hotkey_help_overlay");
1099                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
1100                                 } else {
1101                                         Element.hide("hotkey_help_overlay");
1102                                 }
1103                                 return false;
1104                         }
1105
1106                         if (keycode == 191 || keychar == '/') { // /
1107                                 displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
1108                                 return false;
1109                         }
1110
1111                         if (keycode == 82 && shift_key) { // R
1112                                 scheduleFeedUpdate(true);
1113                                 return;
1114                         }
1115
1116                         if (keycode == 74) { // j
1117                                 var feed = getActiveFeedId();
1118                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'prev');
1119 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1120                                 if (new_feed) {
1121                                         var is_cat = new_feed.match("CAT:");
1122                                         if (is_cat) {
1123                                                 new_feed = new_feed.replace("CAT:", "");
1124                                                 viewCategory(new_feed);
1125                                         } else {
1126                                                 viewfeed(new_feed, '', false);
1127                                         }
1128                                 }
1129                                 return;
1130                         }
1131
1132                         if (keycode == 75) { // k
1133                                 var feed = getActiveFeedId();
1134                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'next');
1135 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1136                                 if (new_feed) {
1137                                         var is_cat = new_feed.match("CAT:");
1138                                         if (is_cat == "CAT:") {
1139                                                 new_feed = new_feed.replace("CAT:", "");
1140                                                 viewCategory(new_feed);
1141                                         } else {
1142                                                 viewfeed(new_feed, '', false);
1143                                         }
1144                                 }
1145                                 return;
1146                         }
1147
1148                         if (shift_key && keycode == 40) { // shift-down
1149                                 catchupRelativeToArticle(1);
1150                                 return;
1151                         }
1152
1153                         if (shift_key && keycode == 38) { // shift-up
1154                                 catchupRelativeToArticle(0);
1155                                 return;
1156                         }
1157
1158                         if (shift_key && keycode == 78) { // N
1159                                 scrollArticle(50);
1160                                 return;
1161                         }
1162
1163                         if (shift_key && keycode == 80) { // P
1164                                 scrollArticle(-50);
1165                                 return;
1166                         }
1167
1168
1169                         if (keycode == 78 || keycode == 40) { // n, down
1170                                 if (typeof moveToPost != 'undefined') {
1171                                         moveToPost('next');
1172                                         return;
1173                                 }
1174                         }
1175
1176                         if (keycode == 80 || keycode == 38) { // p, up
1177                                 if (typeof moveToPost != 'undefined') {
1178                                         moveToPost('prev');
1179                                         return;
1180                                 }
1181                         }
1182
1183                         if (keycode == 83 && shift_key) { // S
1184                                 var id = getActiveArticleId();
1185                                 if (id) {
1186                                         togglePub(id);
1187                                 }
1188                                 return;
1189                         }
1190
1191                         if (keycode == 83) { // s
1192                                 var id = getActiveArticleId();
1193                                 if (id) {
1194                                         toggleMark(id);
1195                                 }
1196                                 return;
1197                         }
1198
1199
1200                         if (keycode == 85) { // u
1201                                 var id = getActiveArticleId();
1202                                 if (id) {
1203                                         toggleUnread(id);
1204                                 }
1205                                 return;
1206                         }
1207
1208                         if (keycode == 84 && shift_key) { // T
1209                                 var id = getActiveArticleId();
1210                                 if (id) {
1211                                         editArticleTags(id, getActiveFeedId(), isCdmMode());
1212                                         return;
1213                                 }
1214                         }
1215
1216                         if (keycode == 9) { // tab
1217                                 var id = getArticleUnderPointer();
1218                                 if (id) {
1219                                         var cb = document.getElementById("RCHK-" + id);
1220
1221                                         if (cb) {
1222                                                 cb.checked = !cb.checked;
1223                                                 toggleSelectRowById(cb, "RROW-" + id);
1224                                                 return false;
1225                                         }
1226                                 }
1227                         }
1228
1229                         if (keycode == 79) { // o
1230                                 if (getActiveArticleId()) {
1231                                         openArticleInNewWindow(getActiveArticleId());
1232                                         return;
1233                                 }
1234                         }
1235
1236                         if (keycode == 81 && shift_key) { // Q
1237                                 if (typeof catchupAllFeeds != 'undefined') {
1238                                         catchupAllFeeds();
1239                                         return;
1240                                 }
1241                         }
1242
1243                         if (keycode == 88) { // x
1244                                 if (activeFeedIsCat()) {
1245                                         toggleCollapseCat(getActiveFeedId());
1246                                 }
1247                         }
1248                 }
1249
1250                 /* Prefix f */
1251
1252                 if (hotkey_prefix == 70) { // f
1253
1254                         hotkey_prefix = false;
1255
1256                         if (keycode == 81) { // q
1257                                 if (getActiveFeedId()) {
1258                                         catchupCurrentFeed();
1259                                         return;
1260                                 }
1261                         }
1262
1263                         if (keycode == 82) { // r
1264                                 if (getActiveFeedId()) {
1265                                         viewfeed(getActiveFeedId(), "ForceUpdate", activeFeedIsCat());
1266                                         return;
1267                                 }
1268                         }
1269
1270                         if (keycode == 65) { // a
1271                                 toggleDispRead();
1272                                 return false;
1273                         }
1274
1275                         if (keycode == 85 && shift_key) { // U
1276                                 scheduleFeedUpdate(true);
1277                                 return false;
1278                         }
1279
1280                         if (keycode == 85) { // u
1281                                 if (getActiveFeedId()) {
1282                                         viewfeed(getActiveFeedId(), "ForceUpdate");
1283                                         return false;
1284                                 }
1285                         }
1286
1287                         if (keycode == 69) { // e
1288                                 editFeedDlg(getActiveFeedId());
1289                                 return false;
1290                         }
1291
1292                         if (keycode == 83) { // s
1293                                 displayDlg("quickAddFeed");
1294                                 return false;
1295                         }
1296
1297                         if (keycode == 67 && shift_key) { // C
1298                                 if (typeof catchupAllFeeds != 'undefined') {
1299                                         catchupAllFeeds();
1300                                         return false;
1301                                 }
1302                         }
1303
1304                         if (keycode == 67) { // c
1305                                 if (getActiveFeedId()) {
1306                                         catchupCurrentFeed();
1307                                         return false;
1308                                 }
1309                         }
1310
1311                         if (keycode == 68 && shift_key) { // D
1312                                 initiate_offline_download();
1313                                 return false;
1314                         }
1315
1316                         if (keycode == 68) { // d
1317                                 displayDlg("offlineDownload");
1318                                 return false;
1319                         }
1320
1321                         if (keycode == 87) { // w
1322                                 feeds_sort_by_unread = !feeds_sort_by_unread;
1323                                 return resort_feedlist();
1324                         }
1325
1326                         if (keycode == 72) { // h
1327                                 hideReadHeadlines();
1328                                 return;
1329                         }
1330
1331                 }
1332
1333                 /* Prefix c */
1334
1335                 if (hotkey_prefix == 67) { // c
1336                         hotkey_prefix = false;
1337
1338                         if (keycode == 70) { // f
1339                                 displayDlg("quickAddFilter", getActiveFeedId());
1340                                 return false;
1341                         }
1342
1343                         if (keycode == 76) { // l
1344                                 addLabel();
1345                                 return false;
1346                         }
1347
1348                         if (keycode == 83) { // s
1349                                 if (typeof collapse_feedlist != 'undefined') {
1350                                         collapse_feedlist();
1351                                         return false;
1352                                 }
1353                         }
1354
1355                         if (keycode == 77) { // m
1356                                 feedlist_sortable_enabled = !feedlist_sortable_enabled;
1357                                 if (feedlist_sortable_enabled) {
1358                                         notify_info("Category reordering enabled");
1359                                         toggle_sortable_feedlist(true);
1360                                 } else {
1361                                         notify_info("Category reordering disabled");
1362                                         toggle_sortable_feedlist(false);
1363                                 }
1364                         }
1365
1366                         if (keycode == 78) { // n
1367                                 catchupRelativeToArticle(1);
1368                                 return;
1369                         }
1370
1371                         if (keycode == 80) { // p
1372                                 catchupRelativeToArticle(0);
1373                                 return;
1374                         }
1375
1376
1377                 }
1378
1379                 /* Prefix g */
1380
1381                 if (hotkey_prefix == 71) { // g
1382
1383                         hotkey_prefix = false;
1384
1385
1386                         if (keycode == 65) { // a
1387                                 viewfeed(-4);
1388                                 return false;
1389                         }
1390
1391                         if (keycode == 83) { // s
1392                                 viewfeed(-1);
1393                                 return false;
1394                         }
1395
1396                         if (keycode == 80 && shift_key) { // P
1397                                 gotoPreferences();
1398                                 return false;
1399                         }
1400
1401                         if (keycode == 80) { // p
1402                                 viewfeed(-2);
1403                                 return false;
1404                         }
1405
1406                         if (keycode == 70) { // f
1407                                 viewfeed(-3);
1408                                 return false;
1409                         }
1410
1411                         if (keycode == 84 && shift_key) { // T
1412                                 toggleTags();
1413                                 return false;
1414                         }
1415                 }
1416
1417                 /* Cmd */
1418
1419                 if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f
1420                         hotkey_prefix = false;
1421                         return;
1422                 }
1423
1424                 if (hotkey_prefix) {
1425                         debug("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1426                 } else {
1427                         debug("KP: CODE=" + keycode + " CHAR=" + keychar);
1428                 }
1429
1430
1431         } catch (e) {
1432                 exception_error("hotkey_handler", e);
1433         }
1434 }
1435
1436 function feedsSortByUnread() {
1437         return feeds_sort_by_unread;
1438 }
1439
1440 function addLabel() {
1441
1442         try {
1443
1444                 var caption = prompt(__("Please enter label caption:"), "");
1445
1446                 if (caption != undefined) {
1447
1448                         if (caption == "") {
1449                                 alert(__("Can't create label: missing caption."));
1450                                 return false;
1451                         }
1452
1453                         var query = "backend.php?op=pref-labels&subop=add&caption=" +
1454                                 param_escape(caption);
1455
1456                         notify_progress("Loading, please wait...", true);
1457
1458                         new Ajax.Request(query, {
1459                                 onComplete: function(transport) {
1460                                         updateFeedList();
1461                         } });
1462
1463                 }
1464
1465         } catch (e) {
1466                 exception_error("addLabel", e);
1467         }
1468 }
1469
1470 function visitOfficialSite() {
1471         window.open("http://tt-rss.org/");
1472 }
1473
1474
1475 function feedBrowserSubscribe() {
1476         try {
1477
1478                 var selected = getSelectedFeedsFromBrowser();
1479
1480                 if (selected.length > 0) {
1481                         closeInfoBox();
1482
1483                         notify_progress("Loading, please wait...", true);
1484
1485                         var query =  "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1486                                 param_escape(selected.toString());
1487
1488                         new Ajax.Request(query, {
1489                                 onComplete: function(transport) {
1490                                         updateFeedList();
1491                                 } });
1492
1493                 } else {
1494                         alert(__("No feeds are selected."));
1495                 }
1496
1497         } catch (e) {
1498                 exception_error("feedBrowserSubscribe", e);
1499         }
1500 }
1501
1502 function init_gears() {
1503         try {
1504
1505                 if (window.google && google.gears) {
1506                         localServer = google.gears.factory.create("beta.localserver");
1507                         store = localServer.createManagedStore("tt-rss");
1508                         db = google.gears.factory.create('beta.database');
1509                         db.open('tt-rss');
1510
1511                         db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)");
1512
1513                         var rs = db.execute("SELECT schema_version FROM version");
1514
1515                         var version = "";
1516
1517                         if (rs.isValidRow()) {
1518                                 version = rs.field(0);
1519                         }
1520
1521                         if (version != SCHEMA_VERSION) {
1522                                 db.execute("DROP TABLE cache");
1523                                 db.execute("DROP TABLE feeds");
1524                                 db.execute("DROP TABLE articles");
1525                                 db.execute("INSERT INTO version (schema_version) VALUES (?)",
1526                                         [SCHEMA_VERSION]);
1527                         }
1528
1529                         db.execute("CREATE TABLE IF NOT EXISTS cache (id text, article text, param text, added text)");
1530
1531                         db.execute("CREATE TABLE if not exists feeds (id integer, title text, has_icon integer)");
1532
1533                         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, added text)");
1534
1535                         var qmcDownload = document.getElementById("qmcDownload");
1536                         if (qmcDownload) Element.show(qmcDownload);
1537
1538                 }
1539
1540                 cache_expire();
1541
1542         } catch (e) {
1543                 exception_error("init_gears", e);
1544         }
1545 }
1546
1547 function init_offline() {
1548         try {
1549                 offline_mode = true;
1550
1551                 Element.hide("dispSwitchPrompt");
1552                 Element.hide("feedBrowserPrompt");
1553                 Element.hide("quickMenuChooser");
1554
1555                 init_params["theme"] = "";
1556
1557                 render_offline_feedlist();
1558                 remove_splash();
1559         } catch (e) {
1560                 exception_error("init_offline", e);
1561         }
1562 }
1563
1564 function offline_download_parse(stage, transport) {
1565         try {
1566                 if (transport.responseXML) {
1567
1568                         if (stage == 0) {
1569
1570                                 var feeds = transport.responseXML.getElementsByTagName("feed");
1571
1572                                 if (feeds.length > 0) {
1573                                         db.execute("DELETE FROM feeds");
1574                                 }
1575
1576                                 for (var i = 0; i < feeds.length; i++) {
1577                                         var id = feeds[i].getAttribute("id");
1578                                         var has_icon = feeds[i].getAttribute("has_icon");
1579                                         var title = feeds[i].firstChild.nodeValue;
1580
1581                                         db.execute("INSERT INTO feeds (id,title,has_icon)"+
1582                                                 "VALUES (?,?,?)",
1583                                                 [id, title, has_icon]);
1584                                 }
1585
1586                                 window.setTimeout("initiate_offline_download("+(stage+1)+")", 50);
1587                         } else {
1588
1589                                 var articles = transport.responseXML.getElementsByTagName("article");
1590
1591                                 var articles_found = 0;
1592
1593                                 for (var i = 0; i < articles.length; i++) {
1594                                         var a = eval("("+articles[i].firstChild.nodeValue+")");
1595                                         articles_found++;
1596                                         if (a) {
1597
1598                                                 var date = new Date();
1599                                                 var ts = Math.round(date.getTime() / 1000);
1600
1601                                                 db.execute("DELETE FROM articles WHERE id = ?", [a.id]);
1602                                                 db.execute("INSERT INTO articles "+
1603                                                 "(id, feed_id, title, link, guid, updated, content, "+
1604                                                         "unread, marked, tags, added) "+
1605                                                 "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
1606                                                         [a.id, a.feed_id, a.title, a.link, a.guid, a.updated,
1607                                                                 a.content, a.unread, a.marked, a.tags, ts]);
1608
1609                                         }
1610                                 }
1611
1612                                 if (articles_found > 0) {
1613                                         window.setTimeout("initiate_offline_download("+(stage+1)+")", 50);
1614                                 } else {
1615                                         notify_info("All done.");
1616                                         closeInfoBox();
1617                                 }
1618                         }
1619
1620                 }
1621         } catch (e) {
1622                 exception_error("offline_download_parse", e);
1623         }
1624 }
1625
1626 function initiate_offline_download(stage, caller) {
1627         try {
1628
1629                 if (!stage) stage = 0;
1630                 if (caller) caller.disabled = true;
1631
1632                 notify_progress("Loading, please wait... (" + stage +")", true);
1633
1634                 var query = "backend.php?op=rpc&subop=download&stage=" + stage;
1635
1636                 if (stage == 0) {
1637                         var rs = db.execute("SELECT MAX(id) FROM articles");
1638                         if (rs.isValidRow() && rs.field(0)) {
1639                                 offline_dl_max_id = rs.field(0);
1640                         }
1641                 }
1642
1643                 if (offline_dl_max_id) {
1644                         query = query + "&cid=" + offline_dl_max_id;
1645                 }
1646
1647                 if (document.getElementById("download_ops_form")) {
1648                         query = query + "&" + Form.serialize("download_ops_form");
1649                 }
1650
1651                 new Ajax.Request(query, {
1652                         onComplete: function(transport) {
1653                                 offline_download_parse(stage, transport);
1654                         } });
1655
1656         } catch (e) {
1657                 exception_error("initiate_offline_download", e);
1658         }
1659 }