tt-rss.js

   1 var total_unread = 0;
   2 var display_tags = false;
   3 var global_unread = -1;
   4 var firsttime_update = true;
   5 var _active_feed_id = 0;
   6 var _active_feed_is_cat = false;
   7 var number_of_feeds = 0;
   8 var hotkey_prefix = false;
   9 var hotkey_prefix_pressed = false;
  10 var init_params = {};
  11 var ver_offset = 0;
  12 var hor_offset = 0;
  13 var feeds_sort_by_unread = false;
  14 var feedlist_sortable_enabled = false;
  15 var _force_scheduled_update = false;
  16 var last_scheduled_update = false;
  17
  18 function activeFeedIsCat() {
  19         return _active_feed_is_cat;
  20 }
  21
  22 function getActiveFeedId() {
  23         try {
  24                 //console.log("gAFID: " + _active_feed_id);
  25                 return _active_feed_id;
  26         } catch (e) {
  27                 exception_error("getActiveFeedId", e);
  28         }
  29 }
  30
  31 function setActiveFeedId(id, is_cat) {
  32         try {
  33                 //console.log("sAFID(" + id + ", " + is_cat + ")");
  34                 _active_feed_id = id;
  35
  36                 if (is_cat != undefined) {
  37                         _active_feed_is_cat = is_cat;
  38                 }
  39
  40         } catch (e) {
  41                 exception_error("setActiveFeedId", e);
  42         }
  43 }
  44
  45
  46 function isFeedlistSortable() {
  47         return feedlist_sortable_enabled;
  48 }
  49
  50 function tagsAreDisplayed() {
  51         return display_tags;
  52 }
  53
  54 function toggleTags(show_all) {
  55
  56         try {
  57
  58         console.log("toggleTags: " + show_all + "; " + display_tags);
  59
  60         var p = $("dispSwitchPrompt");
  61
  62         if (!show_all && !display_tags) {
  63                 displayDlg("printTagCloud");
  64         } else if (show_all) {
  65                 closeInfoBox();
  66                 display_tags = true;
  67                 p.innerHTML = __("display feeds");
  68                 notify_progress("Loading, please wait...", true);
  69                 updateFeedList();
  70         } else if (display_tags) {
  71                 display_tags = false;
  72                 p.innerHTML = __("tag cloud");
  73                 notify_progress("Loading, please wait...", true);
  74                 updateFeedList();
  75         }
  76
  77         } catch (e) {
  78                 exception_error("toggleTags", e);
  79         }
  80 }
  81
  82 function dlg_frefresh_callback(transport, deleted_feed) {
  83         if (getActiveFeedId() == deleted_feed) {
  84                 setTimeout("viewfeed(-5)", 100);
  85         }
  86
  87         setTimeout('updateFeedList(false, false)', 50);
  88         closeInfoBox();
  89 }
  90
  91 function updateFeedList() {
  92         try {
  93                 //console.log("updateFeedList");
  94
  95                 if (offline_mode) return render_offline_feedlist();
  96
  97                 var query_str = "backend.php?op=feeds";
  98
  99                 if (display_tags) {
 100                         query_str = query_str + "&tags=1";
 101                 }
 102
 103                 if (getActiveFeedId() && !activeFeedIsCat()) {
 104                         query_str = query_str + "&actid=" + getActiveFeedId();
 105                 }
 106
 107                 new Ajax.Request("backend.php", {
 108                         parameters: query_str,
 109                         onComplete: function(transport) {
 110                                 render_feedlist(transport.responseText);
 111                         } });
 112
 113         } catch (e) {
 114                 exception_error("updateFeedList", e);
 115         }
 116 }
 117
 118 function catchupAllFeeds() {
 119
 120         var str = __("Mark all articles as read?");
 121
 122         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 123
 124                 var query_str = "backend.php?op=feeds&subop=catchupAll";
 125
 126                 notify_progress("Marking all feeds as read...");
 127
 128                 //console.log("catchupAllFeeds Q=" + query_str);
 129
 130                 new Ajax.Request("backend.php", {
 131                         parameters: query_str,
 132                         onComplete: function(transport) {
 133                                 feedlist_callback2(transport);
 134                         } });
 135
 136                 global_unread = 0;
 137                 updateTitle("");
 138         }
 139 }
 140
 141 function viewCurrentFeed(subop) {
 142
 143 //      if (getActiveFeedId()) {
 144         if (getActiveFeedId() != undefined) {
 145                 viewfeed(getActiveFeedId(), subop, activeFeedIsCat());
 146         } else {
 147 //              viewfeed(-1, subop); // FIXME
 148         }
 149         return false; // block unneeded form submits
 150 }
 151
 152 /*function viewfeed(feed, subop) {
 153         var f = window.frames["feeds-frame"];
 154         f.viewfeed(feed, subop);
 155 } */
 156
 157 function timeout() {
 158         if (getInitParam("bw_limit") == "1") return;
 159
 160         try {
 161            var date = new Date();
 162       var ts = Math.round(date.getTime() / 1000);
 163
 164                 if (ts - last_scheduled_update > 10 || _force_scheduled_update) {
 165
 166                         window.clearTimeout(counter_timeout_id);
 167
 168                         var query_str = "?op=rpc&subop=getAllCounters";
 169
 170                         var omode;
 171
 172                         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 173                                 firsttime_update = false;
 174                                 omode = "T";
 175                         } else {
 176                                 if (display_tags) {
 177                                         omode = "tl";
 178                                 } else {
 179                                         omode = "flc";
 180                                 }
 181                         }
 182
 183                         query_str = query_str + "&omode=" + omode;
 184                         query_str = query_str + "&last_article_id=" + getInitParam("last_article_id");
 185
 186                         //console.log("[timeout]" + query_str);
 187
 188                         new Ajax.Request("backend.php", {
 189                                 parameters: query_str,
 190                                 onComplete: function(transport) {
 191                                                 handle_rpc_reply(transport, true);
 192                                         } });
 193
 194                         last_scheduled_update = ts;
 195                 }
 196
 197         } catch (e) {
 198                 exception_error("timeout", e);
 199         }
 200
 201         setTimeout("timeout()", 3000);
 202 }
 203
 204 function resetSearch() {
 205         var searchbox = $("searchbox")
 206
 207         if (searchbox.value != "" && getActiveFeedId()) {
 208                 searchbox.value = "";
 209                 viewfeed(getActiveFeedId(), "");
 210         }
 211 }
 212
 213 function search() {
 214         closeInfoBox();
 215         viewCurrentFeed(0, "");
 216 }
 217
 218 function updateTitle() {
 219         var tmp = "Tiny Tiny RSS";
 220
 221         if (global_unread > 0) {
 222                 tmp = tmp + " (" + global_unread + ")";
 223         }
 224
 225         if (window.fluid) {
 226                 if (global_unread > 0) {
 227                         window.fluid.dockBadge = global_unread;
 228                 } else {
 229                         window.fluid.dockBadge = "";
 230                 }
 231         }
 232
 233         document.title = tmp;
 234 }
 235
 236 function genericSanityCheck() {
 237         setCookie("ttrss_test", "TEST");
 238
 239         if (getCookie("ttrss_test") != "TEST") {
 240                 fatalError(2);
 241         }
 242
 243         return true;
 244 }
 245
 246 function init() {
 247
 248         try {
 249
 250                 init_gears();
 251
 252                 Form.disable("main_toolbar_form");
 253
 254                 if (!genericSanityCheck())
 255                         return;
 256
 257                 var params = "&ua=" + param_escape(navigator.userAgent);
 258
 259                 loading_set_progress(30);
 260
 261                 new Ajax.Request("backend.php", {
 262                         parameters: "backend.php?op=rpc&subop=sanityCheck" + params,
 263                         onComplete: function(transport) {
 264                                         backend_sanity_check_callback(transport);
 265                                 } });
 266
 267         } catch (e) {
 268                 exception_error("init", e);
 269         }
 270 }
 271
 272 function resize_headlines(delta_x, delta_y) {
 273
 274         try {
 275
 276                 console.log("resize_headlines: " + delta_x + ":" + delta_y);
 277
 278                 var h_frame = $("headlines-frame");
 279                 var c_frame = $("content-frame");
 280                 var f_frame = $("footer");
 281                 var feeds_frame = $("feeds-holder");
 282                 var resize_grab = $("resize-grabber");
 283                 var resize_handle = $("resize-handle");
 284
 285                 if (!c_frame || !h_frame) return;
 286
 287                 if (feeds_frame && getInitParam("theme") == "old-skool") {
 288                                 feeds_frame.style.bottom = f_frame.offsetHeight + "px";
 289                 }
 290
 291                 if (getInitParam("theme_options").match("horiz_resize")) {
 292
 293                         if (delta_x != undefined) {
 294                                 if (c_frame.offsetLeft - delta_x > feeds_frame.offsetWidth + feeds_frame.offsetLeft + 100 && c_frame.offsetWidth + delta_x > 100) {
 295                                         hor_offset = hor_offset + delta_x;
 296                                 }
 297                         }
 298
 299                         console.log("resize_headlines: HOR-mode: " + hor_offset);
 300
 301                         c_frame.style.width = (400 + hor_offset) + "px";
 302                         h_frame.style.right = c_frame.offsetWidth - 1 + "px";
 303
 304                         resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight - 60) + "px";
 305                         resize_grab.style.left = (h_frame.offsetLeft + h_frame.offsetWidth -
 306                                 4) + "px";
 307                         resize_grab.style.display = "block";
 308
 309                         //resize_handle.src = "themes/"+getInitParam('theme')+"/images/resize_handle_vert.png";
 310                         resize_handle.style.paddingTop = (resize_grab.offsetHeight / 2 - 7) + "px";
 311
 312                 } else {
 313
 314                         if (delta_y != undefined) {
 315                                 if (c_frame.offsetHeight + delta_y > 100 && h_frame.offsetHeight - delta_y > 100) {
 316                                         ver_offset = ver_offset + delta_y;
 317                                 }
 318                         }
 319
 320                         console.log("resize_headlines: VER-mode: " + ver_offset);
 321
 322                         h_frame.style.height = (300 - ver_offset) + "px";
 323
 324                         c_frame.style.top = (h_frame.offsetTop + h_frame.offsetHeight + 0) + "px";
 325                         h_frame.style.height = h_frame.offsetHeight + "px";
 326
 327                         // Workaround for Opera: force the content page to be re-rendered,
 328                         // so it is not truncated:
 329                         var content_pane = $("content-insert");
 330                         content_pane.innerHTML = content_pane.innerHTML;
 331                 }
 332
 333                 if (getInitParam("cookie_lifetime") != 0) {
 334                         setCookie("ttrss_offset_ver", ver_offset,
 335                                 getInitParam("cookie_lifetime"));
 336                         setCookie("ttrss_offset_hor", hor_offset,
 337                                 getInitParam("cookie_lifetime"));
 338                 } else {
 339                         setCookie("ttrss_offset_ver", ver_offset);
 340                         setCookie("ttrss_offset_hor", hor_offset);
 341                 }
 342
 343         } catch (e) {
 344                 exception_error("resize_headlines", e);
 345         }
 346
 347 }
 348
 349 function init_second_stage() {
 350
 351         try {
 352
 353                 delCookie("ttrss_test");
 354
 355                 window.onresize=resize_headlines;
 356
 357                 var toolbar = document.forms["main_toolbar_form"];
 358
 359                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 360                 dropboxSelect(toolbar.order_by, getInitParam("default_view_order_by"));
 361
 362                 feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
 363
 364                 setTimeout('updateFeedList(false, false)', 50);
 365
 366                 console.log("second stage ok");
 367
 368                 loading_set_progress(60);
 369
 370                 ver_offset = parseInt(getCookie("ttrss_offset_ver"));
 371                 hor_offset = parseInt(getCookie("ttrss_offset_hor"));
 372
 373                 console.log("got offsets from cookies: ver " + ver_offset + " hor " + hor_offset);
 374
 375                 /* fuck IE */
 376
 377                 if (isNaN(hor_offset)) hor_offset = 0;
 378                 if (isNaN(ver_offset)) ver_offset = 0;
 379
 380                 console.log("offsets from cookies [x:y]: " + hor_offset + ":" + ver_offset);
 381
 382                 resize_headlines();
 383
 384                 enable_offline_reading();
 385
 386                 if (has_local_storage())
 387                         localStorage.clear();
 388
 389         } catch (e) {
 390                 exception_error("init_second_stage", e);
 391         }
 392 }
 393
 394 function quickMenuChange() {
 395         var chooser = $("quickMenuChooser");
 396         var opid = chooser[chooser.selectedIndex].value;
 397
 398         chooser.selectedIndex = 0;
 399         quickMenuGo(opid);
 400 }
 401
 402 function quickMenuGo(opid) {
 403         try {
 404
 405                 if (opid == "qmcPrefs") {
 406                         gotoPreferences();
 407                 }
 408
 409                 if (opid == "qmcSearch") {
 410                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat(),
 411                                 function() {
 412                                         document.forms['search_form'].query.focus();
 413                                 });
 414                         return;
 415                 }
 416
 417                 if (opid == "qmcAddFeed") {
 418                         quickAddFeed();
 419                         return;
 420                 }
 421
 422                 if (opid == "qmcEditFeed") {
 423                         editFeedDlg(getActiveFeedId());
 424                 }
 425
 426                 if (opid == "qmcRemoveFeed") {
 427                         var actid = getActiveFeedId();
 428
 429                         if (activeFeedIsCat()) {
 430                                 alert(__("You can't unsubscribe from the category."));
 431                                 return;
 432                         }
 433
 434                         if (!actid) {
 435                                 alert(__("Please select some feed first."));
 436                                 return;
 437                         }
 438
 439                         var fn = getFeedName(actid);
 440
 441                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 442
 443                         if (confirm(pr)) {
 444                                 unsubscribeFeed(actid);
 445                         }
 446
 447                         return;
 448                 }
 449
 450                 if (opid == "qmcCatchupAll") {
 451                         catchupAllFeeds();
 452                         return;
 453                 }
 454
 455                 if (opid == "qmcShowOnlyUnread") {
 456                         toggleDispRead();
 457                         return;
 458                 }
 459
 460                 if (opid == "qmcAddFilter") {
 461                         displayDlg('quickAddFilter', '',
 462                            function () {document.forms['filter_add_form'].reg_exp.focus();});
 463                 }
 464
 465                 if (opid == "qmcAddLabel") {
 466                         addLabel();
 467                 }
 468
 469                 if (opid == "qmcRescoreFeed") {
 470                         rescoreCurrentFeed();
 471                 }
 472
 473                 if (opid == "qmcHKhelp") {
 474                         //Element.show("hotkey_help_overlay");
 475                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
 476                 }
 477
 478                 if (opid == "qmcResetUI") {
 479                         hor_offset = 0;
 480                         ver_offset = 0;
 481                         resize_headlines();
 482                 }
 483
 484                 if (opid == "qmcToggleReorder") {
 485                         feedlist_sortable_enabled = !feedlist_sortable_enabled;
 486
 487                         if (feedlist_sortable_enabled) {
 488                                 notify_info("Category reordering enabled");
 489                                 toggle_sortable_feedlist(true);
 490                         } else {
 491                                 notify_info("Category reordering disabled");
 492                                 toggle_sortable_feedlist(false);
 493                         }
 494                 }
 495
 496                 if (opid == "qmcResetCats") {
 497
 498                         if (confirm(__("Reset category order?"))) {
 499
 500                                 var query = "?op=feeds&subop=catsortreset";
 501
 502                                 notify_progress("Loading, please wait...", true);
 503
 504                                 new Ajax.Request("backend.php", {
 505                                         parameters: query,
 506                                         onComplete: function(transport) {
 507                                                 window.setTimeout('updateFeedList(false, false)', 50);
 508                                         } });
 509                         }
 510                 }
 511
 512         } catch (e) {
 513                 exception_error("quickMenuGo", e);
 514         }
 515 }
 516
 517 function toggleDispRead() {
 518         try {
 519
 520                 var hide = !(getInitParam("hide_read_feeds") == "1");
 521
 522                 hideOrShowFeeds(hide);
 523
 524                 var query = "?op=rpc&subop=setpref&key=HIDE_READ_FEEDS&value=" +
 525                         param_escape(hide);
 526
 527                 new Ajax.Request("backend.php", {
 528                         parameters: query,
 529                         onComplete: function(transport) {
 530                                 setInitParam("hide_read_feeds", hide);
 531                         } });
 532
 533         } catch (e) {
 534                 exception_error("toggleDispRead", e);
 535         }
 536 }
 537
 538 function parse_runtime_info(elem) {
 539
 540         if (!elem || !elem.firstChild) {
 541                 console.warn("parse_runtime_info: invalid node passed");
 542                 return;
 543         }
 544
 545         var data = JSON.parse(elem.firstChild.nodeValue);
 546
 547         //console.log("parsing runtime info...");
 548
 549         for (k in data) {
 550                 var v = data[k];
 551
 552                 // console.log("RI: " + k + " => " + v);
 553
 554                 if (k == "num_feeds" || k == "last_article_id") {
 555                         init_params[k] = v;
 556                 }
 557
 558                 if (k == "new_version_available") {
 559                         var icon = $("newVersionIcon");
 560                         if (icon) {
 561                                 if (v == "1") {
 562                                         icon.style.display = "inline";
 563                                 } else {
 564                                         icon.style.display = "none";
 565                                 }
 566                         }
 567                 }
 568
 569                 var error_flag;
 570
 571                 if (k == "daemon_is_running" && v != 1) {
 572                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 573                         error_flag = true;
 574                 }
 575
 576                 if (k == "daemon_stamp_ok" && v != 1) {
 577                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 578                         error_flag = true;
 579                 }
 580
 581                 if (!error_flag) {
 582                         notify('');
 583                 }
 584
 585         }
 586 }
 587
 588 function catchupCurrentFeed() {
 589
 590         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 591
 592         var str = __("Mark all articles in %s as read?").replace("%s", fn);
 593
 594         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 595                 return viewCurrentFeed('MarkAllRead')
 596         }
 597 }
 598
 599 function catchupFeedInGroup(id) {
 600
 601         try {
 602
 603                 var title = getFeedName(id);
 604
 605                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 606
 607                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 608                         return viewCurrentFeed('MarkAllReadGR:' + id)
 609                 }
 610
 611         } catch (e) {
 612                 exception_error("catchupFeedInGroup", e);
 613         }
 614 }
 615
 616 function editFeedDlg(feed) {
 617         try {
 618
 619                 if (!feed) {
 620                         alert(__("Please select some feed first."));
 621                         return;
 622                 }
 623
 624                 if ((feed <= 0) || activeFeedIsCat() || tagsAreDisplayed()) {
 625                         alert(__("You can't edit this kind of feed."));
 626                         return;
 627                 }
 628
 629                 var query = "";
 630
 631                 if (feed > 0) {
 632                         query = "?op=pref-feeds&subop=editfeed&id=" +   param_escape(feed);
 633                 } else {
 634                         query = "?op=pref-labels&subop=edit&id=" +      param_escape(-feed-11);
 635                 }
 636
 637                 disableHotkeys();
 638
 639                 notify_progress("Loading, please wait...", true);
 640
 641                 new Ajax.Request("backend.php", {
 642                         parameters: query,
 643                         onComplete: function(transport) {
 644                                 infobox_callback2(transport);
 645                                 document.forms["edit_feed_form"].title.focus();
 646                         } });
 647
 648         } catch (e) {
 649                 exception_error("editFeedDlg", e);
 650         }
 651 }
 652
 653 /* this functions duplicate those of prefs.js feed editor, with
 654         some differences because there is no feedlist */
 655
 656 function feedEditCancel() {
 657         closeInfoBox();
 658         return false;
 659 }
 660
 661 function feedEditSave() {
 662
 663         try {
 664
 665                 // FIXME: add parameter validation
 666
 667                 var query = Form.serialize("edit_feed_form");
 668
 669                 notify_progress("Saving feed...");
 670
 671                 new Ajax.Request("backend.php", {
 672                         parameters: query,
 673                         onComplete: function(transport) {
 674                                 dlg_frefresh_callback(transport);
 675                         } });
 676
 677                 cache_flush();
 678                 closeInfoBox();
 679
 680                 return false;
 681
 682         } catch (e) {
 683                 exception_error("feedEditSave (main)", e);
 684         }
 685 }
 686
 687 function collapse_feedlist() {
 688         try {
 689                 //console.log("collapse_feedlist");
 690
 691                 var theme = getInitParam("theme");
 692                 if (theme != "" &&
 693                                 !getInitParam("theme_options").match("collapse_feedlist")) return;
 694
 695                 var fl = $("feeds-holder");
 696                 var fh = $("headlines-frame");
 697                 var fc = $("content-frame");
 698                 var ft = $("toolbar");
 699                 var ff = $("footer");
 700                 var fhdr = $("header");
 701                 var fbtn = $("collapse_feeds_btn");
 702
 703                 if (!Element.visible(fl)) {
 704                         Element.show(fl);
 705                         fbtn.innerHTML = "&lt;&lt;";
 706
 707                         if (theme != "graycube") {
 708
 709                                 fh.style.left = fl.offsetWidth + "px";
 710                                 ft.style.left = fl.offsetWidth + "px";
 711                                 if (fc) fc.style.left = fl.offsetWidth + "px";
 712                                 if (ff && theme != "compat") ff.style.left = (fl.offsetWidth-1) + "px";
 713
 714                                 if (theme == "compact") fhdr.style.left = (fl.offsetWidth + 10) + "px";
 715                         } else {
 716                                 fh.style.left = fl.offsetWidth + 40 + "px";
 717                                 ft.style.left = fl.offsetWidth + 40 +"px";
 718                                 if (fc) fc.style.left = fl.offsetWidth + 40 + "px";
 719                         }
 720
 721                         query = "?op=rpc&subop=setpref&key=_COLLAPSED_FEEDLIST&value=false";
 722
 723                         new Ajax.Request("backend.php", { parameters: query });
 724
 725                 } else {
 726                         Element.hide(fl);
 727                         fbtn.innerHTML = "&gt;&gt;";
 728
 729                         if (theme != "graycube") {
 730
 731                                 fh.style.left = "0px";
 732                                 ft.style.left = "0px";
 733                                 if (fc) fc.style.left = "0px";
 734                                 if (ff) ff.style.left = "0px";
 735
 736                                 if (theme == "compact") fhdr.style.left = "10px";
 737
 738                         } else {
 739                                 fh.style.left = "20px";
 740                                 ft.style.left = "20px";
 741                                 if (fc) fc.style.left = "20px";
 742
 743                         }
 744
 745                         query = "?op=rpc&subop=setpref&key=_COLLAPSED_FEEDLIST&value=true";
 746
 747                         new Ajax.Request("backend.php", { parameters: query });
 748
 749                 }
 750         } catch (e) {
 751                 exception_error("collapse_feedlist", e);
 752         }
 753 }
 754
 755 function viewModeChanged() {
 756         cache_flush();
 757         return viewCurrentFeed(0, '')
 758 }
 759
 760 function viewLimitChanged() {
 761         cache_flush();
 762         return viewCurrentFeed(0, '')
 763 }
 764
 765 /* function adjustArticleScore(id, score) {
 766         try {
 767
 768                 var pr = prompt(__("Assign score to article:"), score);
 769
 770                 if (pr != undefined) {
 771                         var query = "?op=rpc&subop=setScore&id=" + id + "&score=" + pr;
 772
 773                         new Ajax.Request("backend.php", {
 774                         parameters: query,
 775                         onComplete: function(transport) {
 776                                         viewCurrentFeed();
 777                                 } });
 778
 779                 }
 780         } catch (e) {
 781                 exception_error("adjustArticleScore", e);
 782         }
 783 } */
 784
 785 function rescoreCurrentFeed() {
 786
 787         var actid = getActiveFeedId();
 788
 789         if (activeFeedIsCat() || actid < 0 || tagsAreDisplayed()) {
 790                 alert(__("You can't rescore this kind of feed."));
 791                 return;
 792         }
 793
 794         if (!actid) {
 795                 alert(__("Please select some feed first."));
 796                 return;
 797         }
 798
 799         var fn = getFeedName(actid);
 800         var pr = __("Rescore articles in %s?").replace("%s", fn);
 801
 802         if (confirm(pr)) {
 803                 notify_progress("Rescoring articles...");
 804
 805                 var query = "?op=pref-feeds&subop=rescore&quiet=1&ids=" + actid;
 806
 807                 new Ajax.Request("backend.php", {
 808                         parameters: query,
 809                         onComplete: function(transport) {
 810                                 viewCurrentFeed();
 811                         } });
 812         }
 813 }
 814
 815 function hotkey_handler(e) {
 816
 817         try {
 818
 819                 var keycode;
 820                 var shift_key = false;
 821
 822                 var cmdline = $('cmdline');
 823                 var feedlist = $('feedList');
 824
 825                 try {
 826                         shift_key = e.shiftKey;
 827                 } catch (e) {
 828
 829                 }
 830
 831                 if (window.event) {
 832                         keycode = window.event.keyCode;
 833                 } else if (e) {
 834                         keycode = e.which;
 835                 }
 836
 837                 var keychar = String.fromCharCode(keycode);
 838
 839                 if (keycode == 27) { // escape
 840                         if (Element.visible("hotkey_help_overlay")) {
 841                                 Element.hide("hotkey_help_overlay");
 842                         }
 843                         hotkey_prefix = false;
 844                         closeInfoBox();
 845                 }
 846
 847                 if (!hotkeys_enabled) {
 848                         console.log("hotkeys disabled");
 849                         return;
 850                 }
 851
 852                 if (keycode == 16) return; // ignore lone shift
 853
 854                 if ((keycode == 70 || keycode == 67 || keycode == 71)
 855                                 && !hotkey_prefix) {
 856
 857                         var date = new Date();
 858                         var ts = Math.round(date.getTime() / 1000);
 859
 860                         hotkey_prefix = keycode;
 861                         hotkey_prefix_pressed = ts;
 862
 863                         cmdline.innerHTML = keychar;
 864                         Element.show(cmdline);
 865
 866                         console.log("KP: PREFIX=" + keycode + " CHAR=" + keychar + " TS=" + ts);
 867                         return true;
 868                 }
 869
 870                 if (Element.visible("hotkey_help_overlay")) {
 871                         Element.hide("hotkey_help_overlay");
 872                 }
 873
 874                 /* Global hotkeys */
 875
 876                 Element.hide(cmdline);
 877
 878                 if (!hotkey_prefix) {
 879
 880                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
 881                                 if (!Element.visible("hotkey_help_overlay")) {
 882                                         //Element.show("hotkey_help_overlay");
 883                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
 884                                 } else {
 885                                         Element.hide("hotkey_help_overlay");
 886                                 }
 887                                 return false;
 888                         }
 889
 890                         if (keycode == 191 || keychar == '/') { // /
 891                                 displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat(),
 892                                         function() {
 893                                                 document.forms['search_form'].query.focus();
 894                                         });
 895                                 return false;
 896                         }
 897
 898 /*                      if (keycode == 82 && shift_key) { // R
 899                                 scheduleFeedUpdate(true);
 900                                 return;
 901                         } */
 902
 903                         if (keycode == 74) { // j
 904                                 var feed = getActiveFeedId();
 905                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'prev');
 906 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
 907                                 if (new_feed) {
 908                                         var is_cat = new_feed.match("CAT:");
 909                                         if (is_cat) {
 910                                                 new_feed = new_feed.replace("CAT:", "");
 911                                                 viewCategory(new_feed);
 912                                         } else {
 913                                                 viewfeed(new_feed, '', false);
 914                                         }
 915                                 }
 916                                 return;
 917                         }
 918
 919                         if (keycode == 75) { // k
 920                                 var feed = getActiveFeedId();
 921                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'next');
 922 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
 923                                 if (new_feed) {
 924                                         var is_cat = new_feed.match("CAT:");
 925                                         if (is_cat == "CAT:") {
 926                                                 new_feed = new_feed.replace("CAT:", "");
 927                                                 viewCategory(new_feed);
 928                                         } else {
 929                                                 viewfeed(new_feed, '', false);
 930                                         }
 931                                 }
 932                                 return;
 933                         }
 934
 935                         if (shift_key && keycode == 40) { // shift-down
 936                                 catchupRelativeToArticle(1);
 937                                 return;
 938                         }
 939
 940                         if (shift_key && keycode == 38) { // shift-up
 941                                 catchupRelativeToArticle(0);
 942                                 return;
 943                         }
 944
 945                         if (shift_key && keycode == 78) { // N
 946                                 scrollArticle(50);
 947                                 return;
 948                         }
 949
 950                         if (shift_key && keycode == 80) { // P
 951                                 scrollArticle(-50);
 952                                 return;
 953                         }
 954
 955                         if (keycode == 68 && shift_key) { // shift-D
 956                                 if (isCdmMode()) {
 957                                         //cdmDismissArticle(active_post_id);
 958                                         cdmDismissSelectedArticles();
 959                                 }
 960                         }
 961
 962                         if (keycode == 78 || keycode == 40) { // n, down
 963                                 if (typeof moveToPost != 'undefined') {
 964                                         moveToPost('next');
 965                                         return false;
 966                                 }
 967                         }
 968
 969                         if (keycode == 80 || keycode == 38) { // p, up
 970                                 if (typeof moveToPost != 'undefined') {
 971                                         moveToPost('prev');
 972                                         return false;
 973                                 }
 974                         }
 975
 976                         if (keycode == 83 && shift_key) { // S
 977                                 var id = getActiveArticleId();
 978                                 if (id) {
 979                                         togglePub(id);
 980                                 }
 981                                 return;
 982                         }
 983
 984                         if (keycode == 83) { // s
 985                                 var id = getActiveArticleId();
 986                                 if (id) {
 987                                         toggleMark(id);
 988                                 }
 989                                 return;
 990                         }
 991
 992
 993                         if (keycode == 85) { // u
 994                                 var id = getActiveArticleId();
 995                                 if (id) {
 996                                         toggleUnread(id);
 997                                 }
 998                                 return;
 999                         }
1000
1001                         if (keycode == 84 && shift_key) { // T
1002                                 var id = getActiveArticleId();
1003                                 if (id) {
1004                                         editArticleTags(id, getActiveFeedId(), isCdmMode());
1005                                         return;
1006                                 }
1007                         }
1008
1009                         if (keycode == 9) { // tab
1010                                 var id = getArticleUnderPointer();
1011                                 if (id) {
1012                                         var cb = $("RCHK-" + id);
1013
1014                                         if (cb) {
1015                                                 cb.checked = !cb.checked;
1016                                                 toggleSelectRowById(cb, "RROW-" + id);
1017                                                 return false;
1018                                         }
1019                                 }
1020                         }
1021
1022                         if (keycode == 79) { // o
1023                                 if (getActiveArticleId()) {
1024                                         openArticleInNewWindow(getActiveArticleId());
1025                                         return;
1026                                 }
1027                         }
1028
1029                         if (keycode == 81 && shift_key) { // Q
1030                                 if (typeof catchupAllFeeds != 'undefined') {
1031                                         catchupAllFeeds();
1032                                         return;
1033                                 }
1034                         }
1035
1036                         if (keycode == 88) { // x
1037                                 if (activeFeedIsCat()) {
1038                                         toggleCollapseCat(getActiveFeedId());
1039                                 }
1040                         }
1041                 }
1042
1043                 /* Prefix f */
1044
1045                 if (hotkey_prefix == 70) { // f
1046
1047                         hotkey_prefix = false;
1048
1049                         if (keycode == 81) { // q
1050                                 if (getActiveFeedId()) {
1051                                         catchupCurrentFeed();
1052                                         return;
1053                                 }
1054                         }
1055
1056                         if (keycode == 82) { // r
1057                                 if (getActiveFeedId()) {
1058                                         viewfeed(getActiveFeedId(), "ForceUpdate", activeFeedIsCat());
1059                                         return;
1060                                 }
1061                         }
1062
1063                         if (keycode == 65) { // a
1064                                 toggleDispRead();
1065                                 return false;
1066                         }
1067
1068 /*                      if (keycode == 85 && shift_key) { // U
1069                                 scheduleFeedUpdate(true);
1070                                 return false;
1071                         } */
1072
1073                         if (keycode == 85) { // u
1074                                 if (getActiveFeedId()) {
1075                                         viewfeed(getActiveFeedId(), "ForceUpdate");
1076                                         return false;
1077                                 }
1078                         }
1079
1080                         if (keycode == 69) { // e
1081                                 editFeedDlg(getActiveFeedId());
1082                                 return false;
1083                         }
1084
1085                         if (keycode == 83) { // s
1086                                 quickAddFeed();
1087                                 return false;
1088                         }
1089
1090                         if (keycode == 67 && shift_key) { // C
1091                                 if (typeof catchupAllFeeds != 'undefined') {
1092                                         catchupAllFeeds();
1093                                         return false;
1094                                 }
1095                         }
1096
1097                         if (keycode == 67) { // c
1098                                 if (getActiveFeedId()) {
1099                                         catchupCurrentFeed();
1100                                         return false;
1101                                 }
1102                         }
1103
1104                         if (keycode == 87) { // w
1105                                 feeds_sort_by_unread = !feeds_sort_by_unread;
1106                                 return resort_feedlist();
1107                         }
1108
1109                         if (keycode == 72) { // h
1110                                 hideReadHeadlines();
1111                                 return;
1112                         }
1113
1114                         if (keycode == 88) { // x
1115                                 reverseHeadlineOrder();
1116                                 return;
1117                         }
1118                 }
1119
1120                 /* Prefix c */
1121
1122                 if (hotkey_prefix == 67) { // c
1123                         hotkey_prefix = false;
1124
1125                         if (keycode == 70) { // f
1126                                 displayDlg('quickAddFilter', '',
1127                                    function () {document.forms['filter_add_form'].reg_exp.focus();});
1128                                 return false;
1129                         }
1130
1131                         if (keycode == 76) { // l
1132                                 addLabel();
1133                                 return false;
1134                         }
1135
1136                         if (keycode == 83) { // s
1137                                 if (typeof collapse_feedlist != 'undefined') {
1138                                         collapse_feedlist();
1139                                         return false;
1140                                 }
1141                         }
1142
1143                         if (keycode == 77) { // m
1144                                 feedlist_sortable_enabled = !feedlist_sortable_enabled;
1145                                 if (feedlist_sortable_enabled) {
1146                                         notify_info("Category reordering enabled");
1147                                         toggle_sortable_feedlist(true);
1148                                 } else {
1149                                         notify_info("Category reordering disabled");
1150                                         toggle_sortable_feedlist(false);
1151                                 }
1152                         }
1153
1154                         if (keycode == 78) { // n
1155                                 catchupRelativeToArticle(1);
1156                                 return;
1157                         }
1158
1159                         if (keycode == 80) { // p
1160                                 catchupRelativeToArticle(0);
1161                                 return;
1162                         }
1163
1164
1165                 }
1166
1167                 /* Prefix g */
1168
1169                 if (hotkey_prefix == 71) { // g
1170
1171                         hotkey_prefix = false;
1172
1173
1174                         if (keycode == 65) { // a
1175                                 viewfeed(-4);
1176                                 return false;
1177                         }
1178
1179                         if (keycode == 83) { // s
1180                                 viewfeed(-1);
1181                                 return false;
1182                         }
1183
1184                         if (keycode == 80 && shift_key) { // P
1185                                 gotoPreferences();
1186                                 return false;
1187                         }
1188
1189                         if (keycode == 80) { // p
1190                                 viewfeed(-2);
1191                                 return false;
1192                         }
1193
1194                         if (keycode == 70) { // f
1195                                 viewfeed(-3);
1196                                 return false;
1197                         }
1198
1199                         if (keycode == 84 && shift_key) { // T
1200                                 toggleTags();
1201                                 return false;
1202                         }
1203                 }
1204
1205                 /* Cmd */
1206
1207                 if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f
1208                         hotkey_prefix = false;
1209                         return;
1210                 }
1211
1212                 if (hotkey_prefix) {
1213                         console.log("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1214                 } else {
1215                         console.log("KP: CODE=" + keycode + " CHAR=" + keychar);
1216                 }
1217
1218
1219         } catch (e) {
1220                 exception_error("hotkey_handler", e);
1221         }
1222 }
1223
1224 function feedsSortByUnread() {
1225         return feeds_sort_by_unread;
1226 }
1227
1228 function inPreferences() {
1229         return false;
1230 }
1231
1232 function reverseHeadlineOrder() {
1233         try {
1234
1235                 var query_str = "?op=rpc&subop=togglepref&key=REVERSE_HEADLINES";
1236
1237                 new Ajax.Request("backend.php", {
1238                         parameters: query_str,
1239                         onComplete: function(transport) {
1240                                         viewCurrentFeed();
1241                                 } });
1242
1243         } catch (e) {
1244                 exception_error("reverseHeadlineOrder", e);
1245         }
1246 }
1247
1248 function showFeedsWithErrors() {
1249         displayDlg('feedUpdateErrors');
1250 }
1251