tt-rss.js

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