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