tt-rss.js

   1 var total_unread = 0;
   2 var first_run = true;
   3 var display_tags = false;
   4 var global_unread = -1;
   5 var active_title_text = "";
   6 var current_subtitle = "";
   7 var daemon_enabled = false;
   8 var daemon_refresh_only = false;
   9 //var _qfd_deleted_feed = 0;
  10 var firsttime_update = true;
  11 var active_feed_id = 0;
  12 var active_feed_is_cat = false;
  13 var number_of_feeds = 0;
  14 var sanity_check_done = false;
  15 var _hfd_scrolltop = 0;
  16 var hotkey_prefix = false;
  17 var init_params = new Object();
  18 var ver_offset = 0;
  19 var hor_offset = 0;
  20 var feeds_sort_by_unread = false;
  21 var feedlist_sortable_enabled = false;
  22
  23 function isFeedlistSortable() {
  24         return feedlist_sortable_enabled;
  25 }
  26
  27 function tagsAreDisplayed() {
  28         return display_tags;
  29 }
  30
  31 function toggleTags(show_all) {
  32
  33         try {
  34
  35         debug("toggleTags: " + show_all + "; " + display_tags);
  36
  37         var p = document.getElementById("dispSwitchPrompt");
  38
  39         if (!show_all && !display_tags) {
  40                 displayDlg("printTagCloud");
  41         } else if (show_all) {
  42                 closeInfoBox();
  43                 display_tags = true;
  44                 p.innerHTML = __("display feeds");
  45                 notify_progress("Loading, please wait...", true);
  46                 updateFeedList();
  47         } else if (display_tags) {
  48                 display_tags = false;
  49                 p.innerHTML = __("tag cloud");
  50                 notify_progress("Loading, please wait...", true);
  51                 updateFeedList();
  52         }
  53
  54         } catch (e) {
  55                 exception_error("toggleTags", e);
  56         }
  57 }
  58
  59 function dlg_frefresh_callback(transport, deleted_feed) {
  60         if (getActiveFeedId() == deleted_feed) {
  61                 var h = document.getElementById("headlines-frame");
  62                 if (h) {
  63                         h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  64                 }
  65         }
  66
  67         setTimeout('updateFeedList(false, false)', 50);
  68         closeInfoBox();
  69 }
  70
  71 function refetch_callback2(transport) {
  72         try {
  73
  74                 var date = new Date();
  75
  76                 parse_counters_reply(transport, true);
  77
  78                 debug("refetch_callback2: done");
  79
  80 /*              if (!daemon_enabled && !daemon_refresh_only) {
  81                         notify_info("All feeds updated.");
  82                         updateTitle("");
  83                 } else {
  84                         //notify("");
  85                 } */
  86         } catch (e) {
  87                 exception_error("refetch_callback", e);
  88                 updateTitle("");
  89         }
  90 }
  91
  92 function backend_sanity_check_callback(transport) {
  93
  94         try {
  95
  96                 if (sanity_check_done) {
  97                         fatalError(11, "Sanity check request received twice. This can indicate "+
  98                       "presence of Firebug or some other disrupting extension. "+
  99                                 "Please disable it and try again.");
 100                         return;
 101                 }
 102
 103                 if (!transport.responseXML) {
 104                         fatalError(3, "[D001, Received reply is not XML]: " + transport.responseText);
 105                         return;
 106                 }
 107
 108                 var reply = transport.responseXML.firstChild.firstChild;
 109
 110                 if (!reply) {
 111                         fatalError(3, "[D002, Invalid RPC reply]: " + transport.responseText);
 112                         return;
 113                 }
 114
 115                 var error_code = reply.getAttribute("error-code");
 116
 117                 if (error_code && error_code != 0) {
 118                         return fatalError(error_code, reply.getAttribute("error-msg"));
 119                 }
 120
 121                 debug("sanity check ok");
 122
 123                 var params = reply.nextSibling;
 124
 125                 if (params) {
 126                         debug('reading init-params...');
 127                         var param = params.firstChild;
 128
 129                         while (param) {
 130                                 var k = param.getAttribute("key");
 131                                 var v = param.getAttribute("value");
 132                                 debug(k + " => " + v);
 133                                 init_params[k] = v;
 134                                 param = param.nextSibling;
 135                         }
 136                 }
 137
 138                 sanity_check_done = true;
 139
 140                 init_second_stage();
 141
 142         } catch (e) {
 143                 exception_error("backend_sanity_check_callback", e);
 144         }
 145 }
 146
 147 function scheduleFeedUpdate(force) {
 148
 149         debug("in scheduleFeedUpdate");
 150
 151 /*      if (!daemon_enabled && !daemon_refresh_only) {
 152                 notify_progress("Updating feeds...", true);
 153         } */
 154
 155         var query_str = "backend.php?op=rpc&subop=";
 156
 157         if (force) {
 158                 query_str = query_str + "forceUpdateAllFeeds";
 159         } else {
 160                 query_str = query_str + "updateAllFeeds";
 161         }
 162
 163         var omode;
 164
 165         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 166                 firsttime_update = false;
 167                 omode = "T";
 168         } else {
 169                 if (display_tags) {
 170                         omode = "tl";
 171                 } else {
 172                         omode = "flc";
 173                 }
 174         }
 175
 176         query_str = query_str + "&omode=" + omode;
 177         query_str = query_str + "&uctr=" + global_unread;
 178
 179         var date = new Date();
 180         var timestamp = Math.round(date.getTime() / 1000);
 181         query_str = query_str + "&ts=" + timestamp
 182
 183         debug("REFETCH query: " + query_str);
 184
 185         new Ajax.Request(query_str, {
 186                 onComplete: function(transport) {
 187                                 refetch_callback2(transport);
 188                         } });
 189 }
 190
 191 function updateFeedList(silent, fetch) {
 192
 193 //      if (silent != true) {
 194 //              notify("Loading feed list...");
 195 //      }
 196
 197         debug("<b>updateFeedList</b>");
 198
 199         var query_str = "backend.php?op=feeds";
 200
 201         if (display_tags) {
 202                 query_str = query_str + "&tags=1";
 203         }
 204
 205         if (getActiveFeedId() && !activeFeedIsCat()) {
 206                 query_str = query_str + "&actid=" + getActiveFeedId();
 207         }
 208
 209         var date = new Date();
 210         var timestamp = Math.round(date.getTime() / 1000);
 211         query_str = query_str + "&ts=" + timestamp
 212
 213         if (fetch) query_str = query_str + "&fetch=yes";
 214
 215 //      var feeds_frame = document.getElementById("feeds-frame");
 216 //      feeds_frame.src = query_str;
 217
 218         debug("updateFeedList Q=" + query_str);
 219
 220         new Ajax.Request(query_str, {
 221                 onComplete: function(transport) {
 222                         feedlist_callback2(transport);
 223                 } });
 224
 225 }
 226
 227 function catchupAllFeeds() {
 228
 229         var str = __("Mark all articles as read?");
 230
 231         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 232
 233                 var query_str = "backend.php?op=feeds&subop=catchupAll";
 234
 235                 notify_progress("Marking all feeds as read...");
 236
 237                 debug("catchupAllFeeds Q=" + query_str);
 238
 239                 new Ajax.Request(query_str, {
 240                         onComplete: function(transport) {
 241                                 feedlist_callback2(transport);
 242                         } });
 243
 244                 global_unread = 0;
 245                 updateTitle("");
 246         }
 247 }
 248
 249 function viewCurrentFeed(subop) {
 250
 251 //      if (getActiveFeedId()) {
 252         if (getActiveFeedId() != undefined) {
 253                 viewfeed(getActiveFeedId(), subop, active_feed_is_cat);
 254         } else {
 255                 disableContainerChildren("headlinesToolbar", false, document);
 256 //              viewfeed(-1, subop); // FIXME
 257         }
 258         return false; // block unneeded form submits
 259 }
 260
 261 function viewfeed(feed, subop) {
 262         var f = window.frames["feeds-frame"];
 263         f.viewfeed(feed, subop);
 264 }
 265
 266 function timeout() {
 267         if (getInitParam("bw_limit") == "1") return;
 268
 269         scheduleFeedUpdate(false);
 270
 271         var refresh_time = getInitParam("feeds_frame_refresh");
 272
 273         if (!refresh_time) refresh_time = 600;
 274
 275         setTimeout("timeout()", refresh_time*1000);
 276 }
 277
 278 function resetSearch() {
 279         var searchbox = document.getElementById("searchbox")
 280
 281         if (searchbox.value != "" && getActiveFeedId()) {
 282                 searchbox.value = "";
 283                 viewfeed(getActiveFeedId(), "");
 284         }
 285 }
 286
 287 function searchCancel() {
 288         closeInfoBox(true);
 289 }
 290
 291 function search() {
 292         closeInfoBox();
 293         viewCurrentFeed(0, "");
 294 }
 295
 296 // if argument is undefined, current subtitle is not updated
 297 // use blank string to clear subtitle
 298 function updateTitle(s) {
 299         var tmp = "Tiny Tiny RSS";
 300
 301         if (s != undefined) {
 302                 current_subtitle = s;
 303         }
 304
 305         if (global_unread > 0) {
 306                 tmp = tmp + " (" + global_unread + ")";
 307         }
 308
 309         if (current_subtitle) {
 310                 tmp = tmp + " - " + current_subtitle;
 311         }
 312
 313         if (active_title_text.length > 0) {
 314                 tmp = tmp + " > " + active_title_text;
 315         }
 316
 317         document.title = tmp;
 318 }
 319
 320 function genericSanityCheck() {
 321
 322 //      if (!Ajax.getTransport()) fatalError(1);
 323
 324         setCookie("ttrss_vf_test", "TEST");
 325
 326         if (getCookie("ttrss_vf_test") != "TEST") {
 327                 fatalError(2);
 328         }
 329
 330         return true;
 331 }
 332
 333 function init() {
 334
 335         try {
 336
 337                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 338
 339                 if (arguments.callee.done) return;
 340                 arguments.callee.done = true;
 341
 342                 disableContainerChildren("headlinesToolbar", true);
 343
 344                 Form.disable("main_toolbar_form");
 345
 346                 if (!genericSanityCheck())
 347                         return;
 348
 349                 if (getURLParam('debug')) {
 350                         Element.show("debug_output");
 351                         debug('debug mode activated');
 352                 }
 353
 354                 var params = "&ua=" + param_escape(navigator.userAgent);
 355
 356                 loading_set_progress(30);
 357
 358                 new Ajax.Request("backend.php?op=rpc&subop=sanityCheck" + params,       {
 359                         onComplete: function(transport) {
 360                                         backend_sanity_check_callback(transport);
 361                                 } });
 362
 363         } catch (e) {
 364                 exception_error("init", e);
 365         }
 366 }
 367
 368 function resize_headlines(delta_x, delta_y) {
 369
 370         try {
 371
 372                 debug("resize_headlines: " + delta_x + ":" + delta_y);
 373
 374                 var h_frame = document.getElementById("headlines-frame");
 375                 var c_frame = document.getElementById("content-frame");
 376                 var f_frame = document.getElementById("footer");
 377                 var feeds_frame = document.getElementById("feeds-holder");
 378                 var resize_grab = document.getElementById("resize-grabber");
 379                 var resize_handle = document.getElementById("resize-handle");
 380
 381                 if (!c_frame || !h_frame) return;
 382
 383                 if (feeds_frame && getInitParam("theme") == "compat") {
 384                                 feeds_frame.style.bottom = f_frame.offsetHeight + "px";
 385                 }
 386
 387                 if (getInitParam("theme") == "3pane") {
 388
 389                         if (delta_x != undefined) {
 390                                 if (c_frame.offsetLeft - delta_x > feeds_frame.offsetWidth + feeds_frame.offsetLeft + 100 && c_frame.offsetWidth + delta_x > 100) {
 391                                         hor_offset = hor_offset + delta_x;
 392                                 }
 393                         }
 394
 395                         debug("resize_headlines: HOR-mode: " + hor_offset);
 396
 397                         c_frame.style.width = (400 + hor_offset) + "px";
 398                         h_frame.style.right = c_frame.offsetWidth - 1 + "px";
 399
 400                         resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight - 60) + "px";
 401                         resize_grab.style.left = (h_frame.offsetLeft + h_frame.offsetWidth -
 402                                 4) + "px";
 403                         resize_grab.style.display = "block";
 404
 405                         resize_handle.src = "themes/3pane/images/resize_handle_vert.png";
 406                         resize_handle.style.paddingTop = (resize_grab.offsetHeight / 2 - 7) + "px";
 407
 408                 } else {
 409
 410                         if (delta_y != undefined) {
 411                                 if (c_frame.offsetHeight + delta_y > 100 && h_frame.offsetHeight - delta_y > 100) {
 412                                         ver_offset = ver_offset + delta_y;
 413                                 }
 414                         }
 415
 416                         debug("resize_headlines: VER-mode: " + ver_offset);
 417
 418                         h_frame.style.height = (300 - ver_offset) + "px";
 419
 420                         c_frame.style.top = (h_frame.offsetTop + h_frame.offsetHeight + 1) + "px";
 421                         h_frame.style.height = h_frame.offsetHeight + "px";
 422
 423                         var theme_c = 0;
 424
 425                         if (getInitParam("theme") == "graycube") {
 426                                 theme_c = 1;
 427                         }
 428
 429                         if (getInitParam("theme") == "graycube" || getInitParam("theme") == "compat") {
 430                                 resize_handle.src = "themes/graycube/images/resize_handle_horiz.png";
 431                         }
 432
 433 /*                      resize_grab.style.top = (h_frame.offsetTop + h_frame.offsetHeight -
 434                                 4 - theme_c) + "px";
 435                         resize_grab.style.display = "block"; */
 436
 437                 }
 438
 439                 if (getInitParam("cookie_lifetime") != 0) {
 440                         setCookie("ttrss_offset_ver", ver_offset,
 441                                 getInitParam("cookie_lifetime"));
 442                         setCookie("ttrss_offset_hor", hor_offset,
 443                                 getInitParam("cookie_lifetime"));
 444                 } else {
 445                         setCookie("ttrss_offset_ver", ver_offset);
 446                         setCookie("ttrss_offset_hor", hor_offset);
 447                 }
 448
 449         } catch (e) {
 450                 exception_error("resize_headlines", e);
 451         }
 452
 453 }
 454
 455 function init_second_stage() {
 456
 457         try {
 458
 459                 delCookie("ttrss_vf_test");
 460
 461 //              document.onresize = resize_headlines;
 462
 463                 var toolbar = document.forms["main_toolbar_form"];
 464
 465                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 466                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 467                 dropboxSelect(toolbar.order_by, getInitParam("default_view_order_by"));
 468
 469                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 470                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 471                 feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
 472
 473                 setTimeout('updateFeedList(false, false)', 50);
 474
 475                 debug("second stage ok");
 476
 477                 loading_set_progress(60);
 478
 479                 ver_offset = parseInt(getCookie("ttrss_offset_ver"));
 480                 hor_offset = parseInt(getCookie("ttrss_offset_hor"));
 481
 482                 debug("got offsets from cookies: ver " + ver_offset + " hor " + hor_offset);
 483
 484                 /* fuck IE */
 485
 486                 if (isNaN(hor_offset)) hor_offset = 0;
 487                 if (isNaN(ver_offset)) ver_offset = 0;
 488
 489                 debug("offsets from cookies [x:y]: " + hor_offset + ":" + ver_offset);
 490
 491                 resize_headlines();
 492
 493         } catch (e) {
 494                 exception_error("init_second_stage", e);
 495         }
 496 }
 497
 498 function quickMenuChange() {
 499         var chooser = document.getElementById("quickMenuChooser");
 500         var opid = chooser[chooser.selectedIndex].value;
 501
 502         chooser.selectedIndex = 0;
 503         quickMenuGo(opid);
 504 }
 505
 506 function quickMenuGo(opid) {
 507         try {
 508
 509                 if (opid == "qmcPrefs") {
 510                         gotoPreferences();
 511                 }
 512
 513                 if (opid == "qmcSearch") {
 514                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 515                         return;
 516                 }
 517
 518                 if (opid == "qmcAddFeed") {
 519                         displayDlg("quickAddFeed");
 520                         return;
 521                 }
 522
 523                 if (opid == "qmcEditFeed") {
 524                         editFeedDlg(getActiveFeedId());
 525                 }
 526
 527                 if (opid == "qmcRemoveFeed") {
 528                         var actid = getActiveFeedId();
 529
 530                         if (activeFeedIsCat()) {
 531                                 alert(__("You can't unsubscribe from the category."));
 532                                 return;
 533                         }
 534
 535                         if (!actid) {
 536                                 alert(__("Please select some feed first."));
 537                                 return;
 538                         }
 539
 540                         var fn = getFeedName(actid);
 541
 542                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 543
 544                         if (confirm(pr)) {
 545                                 unsubscribeFeed(actid);
 546                         }
 547
 548                         return;
 549                 }
 550
 551                 if (opid == "qmcClearFeed") {
 552                         var actid = getActiveFeedId();
 553
 554                         if (!actid) {
 555                                 alert(__("Please select some feed first."));
 556                                 return;
 557                         }
 558
 559                         if (activeFeedIsCat() || actid < 0) {
 560                                 alert(__("You can't clear this type of feed."));
 561                                 return;
 562                         }
 563
 564                         var fn = getFeedName(actid);
 565
 566                         var pr = __("Erase all non-starred articles in %s?").replace("%s", fn);
 567
 568                         if (confirm(pr)) {
 569                                 clearFeedArticles(actid);
 570                         }
 571
 572                         return;
 573                 }
 574
 575
 576                 if (opid == "qmcUpdateFeeds") {
 577                         scheduleFeedUpdate(true);
 578                         return;
 579                 }
 580
 581                 if (opid == "qmcCatchupAll") {
 582                         catchupAllFeeds();
 583                         return;
 584                 }
 585
 586                 if (opid == "qmcShowOnlyUnread") {
 587                         toggleDispRead();
 588                         return;
 589                 }
 590
 591                 if (opid == "qmcAddFilter") {
 592                         displayDlg("quickAddFilter", getActiveFeedId());
 593                 }
 594
 595                 if (opid == "qmcRescoreFeed") {
 596                         rescoreCurrentFeed();
 597                 }
 598
 599                 if (opid == "qmcHKhelp") {
 600                         //Element.show("hotkey_help_overlay");
 601                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
 602                 }
 603
 604                 if (opid == "qmcResetUI") {
 605                         hor_offset = 0;
 606                         ver_offset = 0;
 607                         resize_headlines();
 608                 }
 609
 610                 if (opid == "qmcResetCats") {
 611
 612                         if (confirm(__("Reset category order?"))) {
 613
 614                                 var query = "backend.php?op=feeds&subop=catsortreset";
 615
 616                                 notify_progress("Loading, please wait...", true);
 617
 618                                 new Ajax.Request(query, {
 619                                         onComplete: function(transport) {
 620                                                 window.setTimeout('updateFeedList(false, false)', 50);
 621                                         } });
 622                         }
 623                 }
 624
 625         } catch (e) {
 626                 exception_error("quickMenuGo", e);
 627         }
 628 }
 629
 630 function unsubscribeFeed(feed_id, title) {
 631
 632
 633         var msg = __("Unsubscribe from %s?").replace("%s", title);
 634
 635         if (title == undefined || confirm(msg)) {
 636                 notify_progress("Removing feed...");
 637
 638                 var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
 639
 640                 new Ajax.Request(query, {
 641                         onComplete: function(transport) {
 642                                         dlg_frefresh_callback(transport, feed_id);
 643                                 } });
 644         }
 645
 646         return false;
 647 }
 648
 649
 650 function updateFeedTitle(t) {
 651         active_title_text = t;
 652         updateTitle();
 653 }
 654
 655 function toggleDispRead() {
 656         try {
 657
 658                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 659
 660                 hide_read_feeds = !hide_read_feeds;
 661
 662                 debug("toggle_disp_read => " + hide_read_feeds);
 663
 664                 hideOrShowFeeds(hide_read_feeds);
 665
 666                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 667
 668         } catch (e) {
 669                 exception_error("toggleDispRead", e);
 670         }
 671 }
 672
 673 function parse_runtime_info(elem) {
 674         if (!elem) {
 675                 debug("parse_runtime_info: elem is null, aborting");
 676                 return;
 677         }
 678
 679         var param = elem.firstChild;
 680
 681         debug("parse_runtime_info: " + param);
 682
 683         while (param) {
 684                 var k = param.getAttribute("key");
 685                 var v = param.getAttribute("value");
 686
 687                 debug("RI: " + k + " => " + v);
 688
 689                 if (k == "new_version_available") {
 690                         var icon = document.getElementById("newVersionIcon");
 691                         if (icon) {
 692                                 if (v == "1") {
 693                                         icon.style.display = "inline";
 694                                 } else {
 695                                         icon.style.display = "none";
 696                                 }
 697                         }
 698                 }
 699
 700                 var error_flag;
 701
 702                 if (k == "daemon_is_running" && v != 1) {
 703                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 704                         error_flag = true;
 705                 }
 706
 707                 if (k == "daemon_stamp_ok" && v != 1) {
 708                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 709                         error_flag = true;
 710                 }
 711
 712                 if (!error_flag) {
 713                         notify('');
 714                 }
 715
 716 /*              var w = document.getElementById("noDaemonWarning");
 717
 718                 if (w) {
 719                         if (k == "daemon_is_running" && v != 1) {
 720                                 w.style.display = "block";
 721                         } else {
 722                                 w.style.display = "none";
 723                         }
 724                 } */
 725                 param = param.nextSibling;
 726         }
 727 }
 728
 729 function catchupCurrentFeed() {
 730
 731         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 732
 733         var str = __("Mark all articles in %s as read?").replace("%s", fn);
 734
 735 /*      if (active_feed_is_cat) {
 736                 str = "Mark all articles in this category as read?";
 737         } */
 738
 739         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 740                 return viewCurrentFeed('MarkAllRead')
 741         }
 742 }
 743
 744 function catchupFeedInGroup(id) {
 745
 746         try {
 747
 748                 var title = getFeedName(id);
 749
 750                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 751
 752                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 753                         return viewCurrentFeed('MarkAllReadGR:' + id)
 754                 }
 755
 756         } catch (e) {
 757                 exception_error("catchupFeedInGroup", e);
 758         }
 759 }
 760
 761 function editFeedDlg(feed) {
 762         try {
 763
 764                 if (!feed) {
 765                         alert(__("Please select some feed first."));
 766                         return;
 767                 }
 768
 769                 if ((feed <= 0 && feed > -10) || activeFeedIsCat() || tagsAreDisplayed()) {
 770                         alert(__("You can't edit this kind of feed."));
 771                         return;
 772                 }
 773
 774                 var query = "";
 775
 776                 if (feed > 0) {
 777                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 778                 } else {
 779                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 780                 }
 781
 782                 disableHotkeys();
 783
 784                 new Ajax.Request(query, {
 785                         onComplete: function(transport) {
 786                                 infobox_callback2(transport);
 787                         } });
 788
 789         } catch (e) {
 790                 exception_error("editFeedDlg", e);
 791         }
 792 }
 793
 794 /* this functions duplicate those of prefs.js feed editor, with
 795         some differences because there is no feedlist */
 796
 797 function feedEditCancel() {
 798         closeInfoBox();
 799         return false;
 800 }
 801
 802 function feedEditSave() {
 803
 804         try {
 805
 806                 // FIXME: add parameter validation
 807
 808                 var query = Form.serialize("edit_feed_form");
 809
 810                 notify_progress("Saving feed...");
 811
 812                 new Ajax.Request("backend.php", {
 813                         parameters: query,
 814                         onComplete: function(transport) {
 815                                 dlg_frefresh_callback(transport);
 816                         } });
 817
 818
 819                 closeInfoBox();
 820
 821                 return false;
 822
 823         } catch (e) {
 824                 exception_error("feedEditSave (main)", e);
 825         }
 826 }
 827
 828 function labelEditCancel() {
 829         closeInfoBox();
 830         return false;
 831 }
 832
 833 function labelEditSave() {
 834
 835         try {
 836
 837                 closeInfoBox();
 838
 839                 notify_progress("Saving label...");
 840
 841                 query = Form.serialize("label_edit_form");
 842
 843                 new Ajax.Request("backend.php?" + query, {
 844                         onComplete: function(transport) {
 845                                 dlg_frefresh_callback(transport);
 846                         } });
 847
 848                 return false;
 849
 850         } catch (e) {
 851                 exception_error("feedEditSave (main)", e);
 852         }
 853
 854 }
 855
 856 function clearFeedArticles(feed_id) {
 857
 858         notify_progress("Clearing feed...");
 859
 860         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
 861
 862         new Ajax.Request(query, {
 863                 onComplete: function(transport) {
 864                                 dlg_frefresh_callback(transport, feed_id);
 865                         } });
 866
 867         return false;
 868 }
 869
 870 /*
 871 function toggle_feedlist() {
 872         try {
 873                 debug("toggle_feedlist");
 874
 875                 var fl = document.getElementById("feeds-holder");
 876
 877                 if (!Element.visible(fl)) {
 878                         Element.show(fl);
 879                         fl.style.zIndex = 30;
 880                         fl.scrollTop = _hfd_scrolltop;
 881                 } else {
 882                         _hfd_scrolltop = fl.scrollTop;
 883                         Element.hide(fl);
 884 //                      Effect.Fade(fl, {duration : 0.2,
 885 //                              queue: { position: 'end', scope: 'FLFADEQ', limit: 1 }});
 886                 }
 887         } catch (e) {
 888                 exception_error("toggle_feedlist", e);
 889         }
 890 } */
 891
 892 function collapse_feedlist() {
 893         try {
 894                 debug("toggle_feedlist");
 895
 896                 var theme = getInitParam("theme");
 897                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 898                                 theme != "compat") return;
 899
 900                 var fl = document.getElementById("feeds-holder");
 901                 var fh = document.getElementById("headlines-frame");
 902                 var fc = document.getElementById("content-frame");
 903                 var ft = document.getElementById("toolbar");
 904                 var ff = document.getElementById("footer");
 905                 var fhdr = document.getElementById("header");
 906                 var fbtn = document.getElementById("collapse_feeds_btn");
 907
 908                 if (!Element.visible(fl)) {
 909                         Element.show(fl);
 910                         fbtn.value = "<<";
 911
 912                         if (theme != "graycube") {
 913
 914                                 fh.style.left = fl.offsetWidth + "px";
 915                                 ft.style.left = fl.offsetWidth + "px";
 916                                 if (fc) fc.style.left = fl.offsetWidth + "px";
 917                                 if (ff && theme != "compat") ff.style.left = (fl.offsetWidth-1) + "px";
 918
 919                                 if (theme == "compact") fhdr.style.left = (fl.offsetWidth + 10) + "px";
 920                         } else {
 921                                 fh.style.left = fl.offsetWidth + 40 + "px";
 922                                 ft.style.left = fl.offsetWidth + 40 +"px";
 923                                 if (fc) fc.style.left = fl.offsetWidth + 40 + "px";
 924                         }
 925
 926                         setCookie("ttrss_vf_fclps", "0");
 927
 928                 } else {
 929                         Element.hide(fl);
 930                         fbtn.value = ">>";
 931
 932                         if (theme != "graycube") {
 933
 934                                 fh.style.left = "0px";
 935                                 ft.style.left = "0px";
 936                                 if (fc) fc.style.left = "0px";
 937                                 if (ff) ff.style.left = "0px";
 938
 939                                 if (theme == "compact") fhdr.style.left = "10px";
 940
 941                         } else {
 942                                 fh.style.left = "20px";
 943                                 ft.style.left = "20px";
 944                                 if (fc) fc.style.left = "20px";
 945
 946                         }
 947
 948                         setCookie("ttrss_vf_fclps", "1");
 949                 }
 950         } catch (e) {
 951                 exception_error("toggle_feedlist", e);
 952         }
 953 }
 954
 955 function viewModeChanged() {
 956         cache_empty();
 957         return viewCurrentFeed(0, '')
 958 }
 959
 960 function viewLimitChanged() {
 961         cache_empty();
 962         return viewCurrentFeed(0, '')
 963 }
 964
 965 function adjustArticleScore(id, score) {
 966         try {
 967
 968                 var pr = prompt(__("Assign score to article:"), score);
 969
 970                 if (pr != undefined) {
 971                         var query = "backend.php?op=rpc&subop=setScore&id=" + id + "&score=" + pr;
 972
 973                         new Ajax.Request(query, {
 974                         onComplete: function(transport) {
 975                                         viewCurrentFeed();
 976                                 } });
 977
 978                 }
 979         } catch (e) {
 980                 exception_error("adjustArticleScore", e);
 981         }
 982 }
 983
 984 function rescoreCurrentFeed() {
 985
 986         var actid = getActiveFeedId();
 987
 988         if (activeFeedIsCat() || actid < 0 || tagsAreDisplayed()) {
 989                 alert(__("You can't rescore this kind of feed."));
 990                 return;
 991         }
 992
 993         if (!actid) {
 994                 alert(__("Please select some feed first."));
 995                 return;
 996         }
 997
 998         var fn = getFeedName(actid);
 999         var pr = __("Rescore articles in %s?").replace("%s", fn);
1000
1001         if (confirm(pr)) {
1002                 notify_progress("Rescoring articles...");
1003
1004                 var query = "backend.php?op=pref-feeds&subop=rescore&quiet=1&ids=" + actid;
1005
1006                 new Ajax.Request(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 feedlist = document.getElementById('feedList');
1021
1022                 try {
1023                         shift_key = e.shiftKey;
1024                 } catch (e) {
1025
1026                 }
1027
1028                 if (window.event) {
1029                         keycode = window.event.keyCode;
1030                 } else if (e) {
1031                         keycode = e.which;
1032                 }
1033
1034                 var keychar = String.fromCharCode(keycode);
1035
1036                 if (keycode == 27) { // escape
1037                         if (Element.visible("hotkey_help_overlay")) {
1038                                 Element.hide("hotkey_help_overlay");
1039                         }
1040                         hotkey_prefix = false;
1041                         closeInfoBox();
1042                 }
1043
1044                 if (!hotkeys_enabled) {
1045                         debug("hotkeys disabled");
1046                         return;
1047                 }
1048
1049                 if (keycode == 16) return; // ignore lone shift
1050
1051                 if ((keycode == 70 || keycode == 67 || keycode == 71)
1052                                 && !hotkey_prefix) {
1053
1054                         hotkey_prefix = keycode;
1055                         debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
1056                         return true;
1057                 }
1058
1059                 if (Element.visible("hotkey_help_overlay")) {
1060                         Element.hide("hotkey_help_overlay");
1061                 }
1062
1063                 /* Global hotkeys */
1064
1065                 if (!hotkey_prefix) {
1066
1067                         if (keycode == 68 && shift_key) { // d
1068                                 if (!Element.visible("debug_output")) {
1069                                         Element.show("debug_output");
1070                                         debug('debug mode activated');
1071                                 } else {
1072                                         Element.hide("debug_output");
1073                                 }
1074
1075                                 return;
1076                         }
1077
1078                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
1079                                 if (!Element.visible("hotkey_help_overlay")) {
1080                                         //Element.show("hotkey_help_overlay");
1081                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
1082                                 } else {
1083                                         Element.hide("hotkey_help_overlay");
1084                                 }
1085                                 return false;
1086                         }
1087
1088                         if (keycode == 191 || keychar == '/') { // /
1089                                 displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
1090                                 return false;
1091                         }
1092
1093                         if (keycode == 82 && shift_key) { // R
1094                                 scheduleFeedUpdate(true);
1095                                 return;
1096                         }
1097
1098                         if (keycode == 74) { // j
1099                                 var feed = getActiveFeedId();
1100                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'prev');
1101 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1102                                 if (new_feed) {
1103                                         var is_cat = new_feed.match("CAT:");
1104                                         if (is_cat) {
1105                                                 new_feed = new_feed.replace("CAT:", "");
1106                                                 viewCategory(new_feed);
1107                                         } else {
1108                                                 viewfeed(new_feed, '', false);
1109                                         }
1110                                 }
1111                                 return;
1112                         }
1113
1114                         if (keycode == 75) { // k
1115                                 var feed = getActiveFeedId();
1116                                 var new_feed = getRelativeFeedId2(feed, activeFeedIsCat(), 'next');
1117 //                              alert(feed + " IC: " + activeFeedIsCat() + " => " + new_feed);
1118                                 if (new_feed) {
1119                                         var is_cat = new_feed.match("CAT:");
1120                                         if (is_cat == "CAT:") {
1121                                                 new_feed = new_feed.replace("CAT:", "");
1122                                                 viewCategory(new_feed);
1123                                         } else {
1124                                                 viewfeed(new_feed, '', false);
1125                                         }
1126                                 }
1127                                 return;
1128                         }
1129
1130                         if (shift_key && keycode == 40) { // shift-down
1131                                 catchupRelativeToArticle(1);
1132                                 return;
1133                         }
1134
1135                         if (shift_key && keycode == 38) { // shift-up
1136                                 catchupRelativeToArticle(0);
1137                                 return;
1138                         }
1139
1140                         if (shift_key && keycode == 78) { // N
1141                                 scrollArticle(50);
1142                                 return;
1143                         }
1144
1145                         if (shift_key && keycode == 80) { // P
1146                                 scrollArticle(-50);
1147                                 return;
1148                         }
1149
1150
1151                         if (keycode == 78 || keycode == 40) { // n, down
1152                                 if (typeof moveToPost != 'undefined') {
1153                                         moveToPost('next');
1154                                         return;
1155                                 }
1156                         }
1157
1158                         if (keycode == 80 || keycode == 38) { // p, up
1159                                 if (typeof moveToPost != 'undefined') {
1160                                         moveToPost('prev');
1161                                         return;
1162                                 }
1163                         }
1164
1165                         if (keycode == 83 && shift_key) { // S
1166                                 var id = getActiveArticleId();
1167                                 if (id) {
1168                                         togglePub(id);
1169                                 }
1170                                 return;
1171                         }
1172
1173                         if (keycode == 83) { // s
1174                                 var id = getActiveArticleId();
1175                                 if (id) {
1176                                         toggleMark(id);
1177                                 }
1178                                 return;
1179                         }
1180
1181
1182                         if (keycode == 85) { // u
1183                                 var id = getActiveArticleId();
1184                                 if (id) {
1185                                         toggleUnread(id);
1186                                 }
1187                                 return;
1188                         }
1189
1190                         if (keycode == 84 && shift_key) { // T
1191                                 var id = getActiveArticleId();
1192                                 if (id) {
1193                                         editArticleTags(id, getActiveFeedId(), isCdmMode());
1194                                         return;
1195                                 }
1196                         }
1197
1198                         if (keycode == 9) { // tab
1199                                 var id = getArticleUnderPointer();
1200                                 if (id) {
1201                                         var cb = document.getElementById("RCHK-" + id);
1202
1203                                         if (cb) {
1204                                                 cb.checked = !cb.checked;
1205                                                 toggleSelectRowById(cb, "RROW-" + id);
1206                                                 return false;
1207                                         }
1208                                 }
1209                         }
1210
1211                         if (keycode == 79) { // o
1212                                 if (getActiveArticleId()) {
1213                                         openArticleInNewWindow(getActiveArticleId());
1214                                         return;
1215                                 }
1216                         }
1217
1218                         if (keycode == 81 && shift_key) { // Q
1219                                 if (typeof catchupAllFeeds != 'undefined') {
1220                                         catchupAllFeeds();
1221                                         return;
1222                                 }
1223                         }
1224
1225                         if (keycode == 220 && shift_key) { // shift + |
1226                                 if (document.getElementById("subtoolbar_search")) {
1227                                         if (Element.visible("subtoolbar_search")) {
1228                                                 Element.hide("subtoolbar_search");
1229                                                 Element.show("subtoolbar_ftitle");
1230                                                 setTimeout("Element.focus('subtoolbar_search_box')", 100);
1231                                         } else {
1232                                                         Element.show("subtoolbar_search");
1233                                                 Element.hide("subtoolbar_ftitle");
1234                                         }
1235                                 }
1236                         }
1237
1238                         if (keycode == 88) { // x
1239                                 if (activeFeedIsCat()) {
1240                                         toggleCollapseCat(getActiveFeedId());
1241                                 }
1242                         }
1243                 }
1244
1245                 /* Prefix f */
1246
1247                 if (hotkey_prefix == 70) { // f
1248
1249                         hotkey_prefix = false;
1250
1251                         if (keycode == 81) { // q
1252                                 if (getActiveFeedId()) {
1253                                         catchupCurrentFeed();
1254                                         return;
1255                                 }
1256                         }
1257
1258                         if (keycode == 82) { // r
1259                                 if (getActiveFeedId()) {
1260                                         viewfeed(getActiveFeedId(), "ForceUpdate", activeFeedIsCat());
1261                                         return;
1262                                 }
1263                         }
1264
1265                         if (keycode == 65) { // a
1266                                 toggleDispRead();
1267                                 return false;
1268                         }
1269
1270                         if (keycode == 85 && shift_key) { // U
1271                                 scheduleFeedUpdate(true);
1272                                 return false;
1273                         }
1274
1275                         if (keycode == 85) { // u
1276                                 if (getActiveFeedId()) {
1277                                         viewfeed(getActiveFeedId(), "ForceUpdate");
1278                                         return false;
1279                                 }
1280                         }
1281
1282                         if (keycode == 69) { // e
1283                                 editFeedDlg(getActiveFeedId());
1284                                 return false;
1285                         }
1286
1287                         if (keycode == 83) { // s
1288                                 displayDlg("quickAddFeed");
1289                                 return false;
1290                         }
1291
1292                         if (keycode == 67 && shift_key) { // C
1293                                 if (typeof catchupAllFeeds != 'undefined') {
1294                                         catchupAllFeeds();
1295                                         return false;
1296                                 }
1297                         }
1298
1299                         if (keycode == 67) { // c
1300                                 if (getActiveFeedId()) {
1301                                         catchupCurrentFeed();
1302                                         return false;
1303                                 }
1304                         }
1305
1306                         if (keycode == 87) { // w
1307                                 feeds_sort_by_unread = !feeds_sort_by_unread;
1308                                 return resort_feedlist();
1309                         }
1310
1311                         if (keycode == 72) { // h
1312                                 hideReadHeadlines();
1313                                 return;
1314                         }
1315
1316                 }
1317
1318                 /* Prefix c */
1319
1320                 if (hotkey_prefix == 67) { // c
1321                         hotkey_prefix = false;
1322
1323                         if (keycode == 70) { // f
1324                                 displayDlg("quickAddFilter", getActiveFeedId());
1325                                 return false;
1326                         }
1327
1328                         if (keycode == 83) { // s
1329                                 if (typeof collapse_feedlist != 'undefined') {
1330                                         collapse_feedlist();
1331                                         return false;
1332                                 }
1333                         }
1334
1335                         if (keycode == 77) { // m
1336                                 feedlist_sortable_enabled = !feedlist_sortable_enabled;
1337                                 if (feedlist_sortable_enabled) {
1338                                         notify_info("Category reordering enabled");
1339                                         toggle_sortable_feedlist(true);
1340                                 } else {
1341                                         notify_info("Category reordering disabled");
1342                                         toggle_sortable_feedlist(false);
1343                                 }
1344                         }
1345
1346                         if (keycode == 78) { // n
1347                                 catchupRelativeToArticle(1);
1348                                 return;
1349                         }
1350
1351                         if (keycode == 80) { // p
1352                                 catchupRelativeToArticle(0);
1353                                 return;
1354                         }
1355
1356
1357                 }
1358
1359                 /* Prefix g */
1360
1361                 if (hotkey_prefix == 71) { // g
1362
1363                         hotkey_prefix = false;
1364
1365                         if (keycode == 83) { // s
1366                                 viewfeed(-1);
1367                                 return false;
1368                         }
1369
1370                         if (keycode == 80 && shift_key) { // P
1371                                 gotoPreferences();
1372                                 return false;
1373                         }
1374
1375                         if (keycode == 80) { // p
1376                                 viewfeed(-2);
1377                                 return false;
1378                         }
1379
1380                         if (keycode == 70) { // f
1381                                 viewfeed(-3);
1382                                 return false;
1383                         }
1384
1385                         if (keycode == 84 && shift_key) { // T
1386                                 toggleTags();
1387                                 return false;
1388                         }
1389                 }
1390
1391                 /* Cmd */
1392
1393                 if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f
1394                         hotkey_prefix = false;
1395                         return;
1396                 }
1397
1398                 if (hotkey_prefix) {
1399                         debug("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1400                 } else {
1401                         debug("KP: CODE=" + keycode + " CHAR=" + keychar);
1402                 }
1403
1404
1405         } catch (e) {
1406                 exception_error("hotkey_handler", e);
1407         }
1408 }
1409
1410 function feedsSortByUnread() {
1411         return feeds_sort_by_unread;
1412 }