feedlist.js

   1 var _feed_cur_page = 0;
   2 var _infscroll_disable = 0;
   3 var _infscroll_request_sent = 0;
   4 var feed_under_pointer = undefined;
   5
   6 var mouse_is_down = false;
   7 var mouse_y = 0;
   8 var mouse_x = 0;
   9
  10 var counter_timeout_id = false;
  11
  12 var resize_enabled = false;
  13 var selection_disabled = false;
  14 var counters_last_request = 0;
  15
  16 var feeds_sort_by_unread = false;
  17 var feedlist_sortable_enabled = false;
  18
  19 function toggle_sortable_feedlist(enabled) {
  20         try {
  21
  22                 if (enabled) {
  23                         Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
  24                 } else {
  25                         Sortable.destroy('feedList');
  26                 }
  27
  28         } catch (e) {
  29                 exception_error("toggle_sortable_feedlist", e);
  30         }
  31 }
  32
  33 function viewCategory(cat) {
  34         viewfeed(cat, '', true);
  35         return false;
  36 }
  37
  38 function render_feedlist(data) {
  39         try {
  40
  41                 var f = $("feeds-frame");
  42                 f.innerHTML = data;
  43 //              cache_invalidate("FEEDLIST");
  44 //              cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
  45                 feedlist_init();
  46
  47         } catch (e) {
  48                 exception_error("render_feedlist", e);
  49         }
  50 }
  51
  52 function viewNextFeedPage() {
  53         try {
  54                 //if (!getActiveFeedId()) return;
  55
  56                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  57
  58                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  59                         undefined, parseInt(_feed_cur_page+1));
  60
  61         } catch (e) {
  62                 exception_error("viewNextFeedPage", e);
  63         }
  64 }
  65
  66
  67 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  68         try {
  69                 if (is_cat == undefined) is_cat = false;
  70
  71                 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
  72                         skip_history, offset);
  73
  74 //              if (!offset) page_offset = 0;
  75
  76                 last_requested_article = 0;
  77                 //counters_last_request = 0;
  78
  79                 if (feed == getActiveFeedId()) {
  80                         cache_invalidate("F:" + feed);
  81                 }
  82
  83 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  84                         if (getInitParam("hide_feedlist") == 1) {
  85                                 Element.hide("feeds-holder");
  86                         }
  87                 } */
  88
  89                 var force_nocache = false;
  90
  91                 var page_offset = 0;
  92
  93                 if (offset > 0) {
  94                         page_offset = offset;
  95                 } else {
  96                         page_offset = 0;
  97                         _feed_cur_page = 0;
  98                         _infscroll_disable = 0;
  99                 }
 100
 101                 if (getActiveFeedId() != feed) {
 102                         _feed_cur_page = 0;
 103                         active_post_id = 0;
 104                         _infscroll_disable = 0;
 105                 }
 106
 107                 if (page_offset != 0 && !subop) {
 108                         var date = new Date();
 109                         var timestamp = Math.round(date.getTime() / 1000);
 110
 111                         console.log(_infscroll_request_sent + " : " + timestamp);
 112
 113                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 114                                 console.log("infscroll request in progress, aborting");
 115                                 return;
 116                         }
 117
 118                         _infscroll_request_sent = timestamp;
 119                 }
 120
 121                 enableHotkeys();
 122                 hideAuxDlg();
 123                 closeInfoBox();
 124
 125                 Form.enable("main_toolbar_form");
 126
 127                 var toolbar_form = document.forms["main_toolbar_form"];
 128                 var toolbar_query = Form.serialize("main_toolbar_form");
 129
 130                 if (toolbar_form.query) {
 131                         if (toolbar_form.query.value != "") {
 132                                 force_nocache = true;
 133                         }
 134                         toolbar_form.query.value = "";
 135                 }
 136
 137                 var query = "?op=viewfeed&feed=" + feed + "&" +
 138                         toolbar_query + "&subop=" + param_escape(subop);
 139
 140                 if ($("search_form")) {
 141                         var search_query = Form.serialize("search_form");
 142                         query = query + "&" + search_query;
 143                         $("search_form").query.value = "";
 144                         closeInfoBox(true);
 145                         force_nocache = true;
 146                 }
 147
 148 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 149
 150                 if (subop == "MarkAllRead") {
 151
 152                         catchup_local_feed(feed, is_cat);
 153
 154                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 155
 156                         if (show_next_feed) {
 157
 158                                 if (!activeFeedIsCat()) {
 159
 160                                         var feedlist = $('feedList');
 161
 162                                         var next_unread_feed = getRelativeFeedId2(feed, false,
 163                                                         "next", true);
 164
 165                                         /* gRFI2 also returns categories which we don't really
 166                                          * need here, so we skip them */
 167
 168                                         while (next_unread_feed && next_unread_feed.match("CAT:"))
 169                                                 next_unread_feed = getRelativeFeedId2(
 170                                                                 next_unread_feed.replace("CAT:", ""),
 171                                                                 true, "next", true);
 172
 173                                         if (!next_unread_feed) {
 174                                                 next_unread_feed = getRelativeFeedId2(-3, true,
 175                                                         "next", true);
 176                                         }
 177
 178                                         if (next_unread_feed) {
 179                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 180                                                 //setActiveFeedId(next_unread_feed);
 181                                                 feed = next_unread_feed;
 182                                         }
 183                                 } else {
 184
 185                                         var next_unread_feed = getNextUnreadCat(feed);
 186
 187                                         /* we don't need to specify that our next feed is actually
 188                                         a category, because we're in the is_cat mode by definition
 189                                         already */
 190
 191                                         if (next_unread_feed && show_next_feed) {
 192                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 193                                                 feed = next_unread_feed;
 194                                         }
 195
 196                                 }
 197                         }
 198                 }
 199
 200                 if (is_cat) {
 201                         query = query + "&cat=1";
 202                 }
 203
 204                 if (page_offset != 0) {
 205                         query = query + "&skip=" + page_offset;
 206
 207                         // to prevent duplicate feed titles when showing grouped vfeeds
 208                         if (vgroup_last_feed) {
 209                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 210                         }
 211                 }
 212
 213                 Form.enable("main_toolbar_form");
 214
 215                 // for piggybacked counters
 216
 217                 if (tagsAreDisplayed()) {
 218                         query = query + "&omode=lt";
 219                 } else {
 220                         query = query + "&omode=flc";
 221                 }
 222
 223                 console.log(query);
 224
 225                 var container = $("headlinesInnerContainer");
 226
 227 /*              if (container && page_offset == 0 && !isCdmMode()) {
 228                         new Effect.Fade(container, {duration: 1, to: 0.01,
 229                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 230                 } */
 231
 232                 var unread_ctr = -1;
 233
 234                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 235
 236                 var cache_check = false;
 237
 238                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 239
 240                         var cache_prefix = "";
 241
 242                         if (is_cat) {
 243                                 cache_prefix = "C:";
 244                         } else {
 245                                 cache_prefix = "F:";
 246                         }
 247
 248                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 249                         console.log("headline cache check: " + cache_check);
 250                 }
 251
 252                 if (cache_check) {
 253                         var f = $("headlines-frame");
 254
 255                         clean_feed_selections();
 256
 257                         setActiveFeedId(feed, is_cat);
 258
 259                         if (!is_cat) {
 260                                 var feedr = $("FEEDR-" + feed);
 261                                 if (feedr && !feedr.className.match("Selected")) {
 262                                         feedr.className = feedr.className + "Selected";
 263                                 }
 264                         } else {
 265                                 var feedr = $("FCAT-" + feed_id);
 266                                 if (feedr && !feedr.className.match("Selected")) {
 267                                         feedr.className = feedr.className + "Selected";
 268                                 }
 269                         }
 270
 271                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 272
 273                         request_counters();
 274                         remove_splash();
 275
 276                 } else {
 277
 278                         if (!page_offset) {
 279                                 var feedr;
 280
 281                                 if (is_cat) {
 282                                         feedr = $('FCAP-' + feed);
 283                                 } else {
 284                                         feedr = $('FEEDR-' + feed);
 285                                 }
 286
 287                                 if (feedr && !$('FLL-' + feed)) {
 288
 289                                         var img = $('FIMG-' + feed);
 290
 291                                         if (!is_cat && img) {
 292
 293                                                 var cat_list = feedr.parentNode;
 294
 295                                                 if (!cat_list || Element.visible(cat_list)) {
 296                                                         if (!img.src.match("indicator_white")) {
 297                                                                 img.alt = img.src;
 298                                                                 img.src = getInitParam("sign_progress");
 299                                                         }
 300                                                 } else if (cat_list) {
 301                                                         feed_cat_id = cat_list.id.replace("FCATLIST-", "");
 302
 303                                                         if (!$('FLL-' + feed_cat_id)) {
 304
 305                                                                 var ll = document.createElement('img');
 306
 307                                                                 ll.src = getInitParam("sign_progress_tiny");
 308                                                                 ll.className = 'hlLoading';
 309                                                                 ll.id = 'FLL-' + feed;
 310
 311                                                                 $("FCAP-" + feed_cat_id).appendChild(ll);
 312                                                         }
 313                                                 }
 314
 315                                         } else {
 316
 317                                                 if (!$('FLL-' + feed)) {
 318                                                         var ll = document.createElement('img');
 319
 320                                                         ll.src = getInitParam("sign_progress_tiny");
 321                                                         ll.className = 'hlLoading';
 322                                                         ll.id = 'FLL-' + feed;
 323
 324                                                         feedr.appendChild(ll);
 325                                                 }
 326                                         }
 327                                 }
 328                         }
 329
 330                         new Ajax.Request("backend.php", {
 331                                 parameters: query,
 332                                 onComplete: function(transport) {
 333                                         headlines_callback2(transport, page_offset);
 334                                 } });
 335                 }
 336
 337         } catch (e) {
 338                 exception_error("viewfeed", e);
 339         }
 340 }
 341
 342 function toggleCollapseCat_af(effect) {
 343         //var caption = elem.id.replace("FCATLIST-", "");
 344
 345         try {
 346
 347                 var elem = effect.element;
 348                 var cat = elem.id.replace("FCATLIST-", "");
 349                 var cap = $("FCAP-" + cat);
 350
 351                 if (Element.visible(elem)) {
 352                         cap.innerHTML = cap.innerHTML.replace("…", "");
 353                 } else {
 354                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 355                                 cap.innerHTML = cap.innerHTML + "…";
 356                         }
 357                 }
 358
 359         } catch (e) {
 360                 exception_error("toggleCollapseCat_af", e);
 361         }
 362 }
 363
 364 function toggleCollapseCat(cat) {
 365         try {
 366
 367                 var cat_elem = $("FCAT-" + cat);
 368                 var cat_list = $("FCATLIST-" + cat).parentNode;
 369                 var caption = $("FCAP-" + cat);
 370
 371                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 372                         afterFinish: toggleCollapseCat_af });
 373
 374                 new Ajax.Request("backend.php",
 375                         { parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 376                                 param_escape(cat) } );
 377
 378                 local_collapse_cat(cat);
 379
 380         } catch (e) {
 381                 exception_error("toggleCollapseCat", e);
 382         }
 383 }
 384
 385 function isCatCollapsed(cat) {
 386         try {
 387                 return Element.visible("FCATLIST-" + cat);
 388         } catch (e) {
 389                 exception_error("isCatCollapsed", e);
 390         }
 391 }
 392
 393 function feedlist_dragsorted(ctr) {
 394         try {
 395                 var elem = $("feedList");
 396
 397                 var cats = elem.getElementsByTagName("LI");
 398                 var ordered_cats = new Array();
 399
 400                 for (var i = 0; i < cats.length; i++) {
 401                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 402                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 403                         }
 404                 }
 405
 406                 if (ordered_cats.length > 0) {
 407
 408                         var query = "?op=feeds&subop=catsort&corder=" +
 409                                 param_escape(ordered_cats.toString());
 410
 411                         //console.log(query);
 412
 413                         new Ajax.Request("backend.php", { parameters: query });
 414                 }
 415
 416         } catch (e) {
 417                 exception_error("feedlist_dragsorted", e);
 418         }
 419 }
 420
 421 function feedlist_init() {
 422         try {
 423                 loading_set_progress(90);
 424
 425                 //console.log("in feedlist init");
 426
 427                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 428                 document.onkeydown = hotkey_handler;
 429                 document.onmousemove = mouse_move_handler;
 430                 document.onmousedown = mouse_down_handler;
 431                 document.onmouseup = mouse_up_handler;
 432
 433                 if (!offline_mode) setTimeout("timeout()", 1);
 434
 435                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 436
 437                 if (getActiveFeedId()) {
 438                         //console.log("some feed is open on feedlist refresh, reloading");
 439                         //setTimeout("viewCurrentFeed()", 100);
 440                 } else {
 441                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 442                                 notify_silent_next();
 443                                 setTimeout("viewfeed(-3)", 100);
 444                         } else {
 445                                 setTimeout("viewfeed(-5)", 100);
 446                                 remove_splash();
 447                         }
 448                 }
 449
 450                 if (getInitParam("theme") == "" ||
 451                                 getInitParam("theme_options").match("hide_footer")) {
 452                         setTimeout("hide_footer()", 5000);
 453                 }
 454
 455                 init_collapsable_feedlist(getInitParam("theme"));
 456
 457                 toggle_sortable_feedlist(isFeedlistSortable());
 458
 459         } catch (e) {
 460                 exception_error("feedlist/init", e);
 461         }
 462 }
 463
 464 function hide_footer_af(effect) {
 465         try {
 466                 var c = $("content-frame");
 467
 468                 if (c) {
 469                         c.style.bottom = "0px";
 470
 471                         var ioa = $("inline_orig_article");
 472
 473                         if (ioa) {
 474                                 ioa.height = c.offsetHeight;
 475                         }
 476
 477                 } else {
 478                         var h = $("headlines-frame");
 479
 480                         if (h) {
 481                                 h.style.bottom = "0px";
 482                         }
 483                 }
 484
 485         } catch (e) {
 486                 exception_error("hide_footer_af", e);
 487         }
 488 }
 489
 490 function hide_footer() {
 491         try {
 492                 if (Element.visible("footer")) {
 493                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 494                 }
 495         } catch (e) {
 496                 exception_error("hide_footer", e);
 497         }
 498 }
 499
 500 function init_collapsable_feedlist() {
 501         try {
 502                 //console.log("init_collapsable_feedlist");
 503
 504                 var theme = getInitParam("theme");
 505                 var options = getInitParam("theme_options");
 506
 507                 if (theme != "" && !options.match("collapse_feedlist")) return;
 508
 509                 var fbtn = $("collapse_feeds_btn");
 510
 511                 if (fbtn) Element.show(fbtn);
 512
 513                 if (getInitParam("collapsed_feedlist") == 1) {
 514                         collapse_feedlist();
 515                 }
 516
 517         } catch (e) {
 518                 exception_error("init_hidden_feedlist", e);
 519         }
 520
 521 }
 522
 523 function mouse_move_handler(e) {
 524         try {
 525                 var client_y;
 526                 var client_x;
 527
 528                 if (window.event) {
 529                         client_y = window.event.clientY;
 530                         client_x = window.event.clientX;
 531                 } else if (e) {
 532                         client_x = e.screenX;
 533                         client_y = e.screenY;
 534                 }
 535
 536                 if (mouse_is_down) {
 537
 538                         if (mouse_y == 0) mouse_y = client_y;
 539                         if (mouse_x == 0) mouse_x = client_x;
 540
 541                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 542
 543                         mouse_y = client_y;
 544                         mouse_x = client_x;
 545
 546                         return false;
 547                 }
 548
 549         } catch (e) {
 550                 exception_error("mouse_move_handler", e);
 551         }
 552 }
 553
 554 function enable_selection(b) {
 555         selection_disabled = !b;
 556 }
 557
 558 function enable_resize(b) {
 559         resize_enabled = b;
 560 }
 561
 562 function mouse_down_handler(e) {
 563         try {
 564
 565                 /* do not prevent right click */
 566                 if (e && e.button && e.button == 2) return;
 567
 568                 if (resize_enabled) {
 569                         mouse_is_down = true;
 570                         mouse_x = 0;
 571                         mouse_y = 0;
 572                         document.onselectstart = function() { return false; };
 573                         return false;
 574                 }
 575
 576                 if (selection_disabled) {
 577                         document.onselectstart = function() { return false; };
 578                         return false;
 579                 }
 580
 581         } catch (e) {
 582                 exception_error("mouse_down_handler", e);
 583         }
 584 }
 585
 586 function mouse_up_handler(e) {
 587         try {
 588                 mouse_is_down = false;
 589
 590                 if (!selection_disabled) {
 591                         document.onselectstart = null;
 592                         var e = $("headlineActionsBody");
 593                         if (e) Element.hide(e);
 594
 595                         var e = $("offlineModeDrop");
 596                         if (e) Element.hide(e);
 597
 598                 }
 599
 600         } catch (e) {
 601                 exception_error("mouse_up_handler", e);
 602         }
 603 }
 604
 605 function request_counters_real() {
 606
 607         try {
 608
 609                 if (offline_mode) return;
 610
 611                 console.log("requesting counters...");
 612
 613                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 614
 615                 if (tagsAreDisplayed()) {
 616                         query = query + "&omode=tl";
 617                 } else {
 618                         query = query + "&omode=flc";
 619                 }
 620
 621                 new Ajax.Request("backend.php", {
 622                         parameters: query,
 623                         onComplete: function(transport) {
 624                                 try {
 625                                         handle_rpc_reply(transport);
 626                                 } catch (e) {
 627                                         exception_error("viewfeed/getcounters", e);
 628                                 }
 629                         } });
 630
 631         } catch (e) {
 632                 exception_error("request_counters_real", e);
 633         }
 634 }
 635
 636
 637 function request_counters() {
 638
 639         try {
 640
 641                 if (getInitParam("bw_limit") == "1") return;
 642
 643                 var date = new Date();
 644                 var timestamp = Math.round(date.getTime() / 1000);
 645
 646                 if (timestamp - counters_last_request > 5) {
 647                         console.log("scheduling request of counters...");
 648
 649                         window.clearTimeout(counter_timeout_id);
 650                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 651
 652                         counters_last_request = timestamp;
 653                 } else {
 654                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 655                 }
 656
 657         } catch (e) {
 658                 exception_error("request_counters", e);
 659         }
 660 }
 661
 662 function displayNewContentPrompt(id) {
 663         try {
 664
 665                 var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
 666                         __("New articles available in this feed (click to show)") + "</a>";
 667
 668                 msg = msg.replace("%s", getFeedName(id));
 669
 670                 $('auxDlg').innerHTML = msg;
 671
 672                 new Effect.Appear('auxDlg', {duration : 0.5});
 673
 674         } catch (e) {
 675                 exception_error("displayNewContentPrompt", e);
 676         }
 677 }
 678
 679 function parse_counters(reply, scheduled_call) {
 680         try {
 681
 682                 var feeds_found = 0;
 683
 684                 var elems = JSON.parse(reply.firstChild.nodeValue);
 685
 686                 for (var l = 0; l < elems.length; l++) {
 687
 688                         var id = elems[l].id
 689                         var kind = elems[l].kind;
 690                         var ctr = parseInt(elems[l].counter)
 691                         var error = elems[l].error;
 692                         var has_img = elems[l].has_img;
 693                         var updated = elems[l].updated;
 694                         var title = elems[l].title;
 695                         var xmsg = elems[l].xmsg;
 696
 697                         if (id == "global-unread") {
 698
 699                                 if (ctr > global_unread) {
 700                                         offlineDownloadStart(1);
 701                                 }
 702
 703                                 global_unread = ctr;
 704                                 updateTitle();
 705                                 continue;
 706                         }
 707
 708                         if (id == "subscribed-feeds") {
 709                                 feeds_found = ctr;
 710                                 continue;
 711                         }
 712
 713                         if (kind && kind == "cat") {
 714                                 var catctr = $("FCATCTR-" + id);
 715                                 if (catctr) {
 716                                         catctr.innerHTML = "(" + ctr + ")";
 717                                         if (ctr > 0) {
 718                                                 catctr.className = "catCtrHasUnread";
 719                                         } else {
 720                                                 catctr.className = "catCtrNoUnread";
 721                                         }
 722                                 }
 723                                 continue;
 724                         }
 725
 726                         var feedctr = $("FEEDCTR-" + id);
 727                         var feedu = $("FEEDU-" + id);
 728                         var feedr = $("FEEDR-" + id);
 729                         var feed_img = $("FIMG-" + id);
 730                         var feedlink = $("FEEDL-" + id);
 731                         var feedupd = $("FLUPD-" + id);
 732
 733                         if (updated && feedlink) {
 734                                 if (error) {
 735                                         feedlink.title = "Error: " + error + " (" + updated + ")";
 736                                 } else {
 737                                         feedlink.title = "Updated: " + updated;
 738                                 }
 739                         }
 740
 741                         if (feedupd) {
 742                                 if (!updated) updated = "";
 743
 744                                 if (error) {
 745                                         if (xmsg) {
 746                                                 feedupd.innerHTML = updated + " " + xmsg + " (Error)";
 747                                         } else {
 748                                                 feedupd.innerHTML = updated + " (Error)";
 749                                         }
 750                                 } else {
 751                                         if (xmsg) {
 752                                                 feedupd.innerHTML = updated + " (" + xmsg + ")";
 753                                         } else {
 754                                                 feedupd.innerHTML = updated;
 755                                         }
 756                                 }
 757                         }
 758
 759                         if (has_img && feed_img) {
 760                                 if (!feed_img.src.match(id + ".ico")) {
 761                                         feed_img.src = getInitParam("icons_url") + "/" + id + ".ico";
 762                                 }
 763                         }
 764
 765                         if (feedlink && title) {
 766                                 feedlink.innerHTML = title;
 767                         }
 768
 769                         if (feedctr && feedu && feedr) {
 770
 771 //                              if (id == getActiveFeedId())
 772 //                                      console.log("HAS CTR: " + feedu.innerHTML + " GOT CTR: " + ctr +
 773 //                                                      " IS_SCHED: " + scheduled_call);
 774
 775                                 if (parseInt(ctr) > 0 &&
 776                                                 parseInt(feedu.innerHTML) < parseInt(ctr) &&
 777                                                 id == getActiveFeedId() && scheduled_call) {
 778
 779                                         displayNewContentPrompt(id);
 780                                 }
 781
 782                                 var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
 783
 784                                 feedu.innerHTML = ctr;
 785
 786                                 if (error) {
 787                                         feedr.className = feedr.className.replace("feed", "error");
 788                                 } else if (id > 0) {
 789                                         feedr.className = feedr.className.replace("error", "feed");
 790                                 }
 791
 792                                 if (ctr > 0) {
 793                                         feedctr.className = "feedCtrHasUnread";
 794                                         if (!feedr.className.match("Unread")) {
 795                                                 var is_selected = feedr.className.match("Selected");
 796
 797                                                 feedr.className = feedr.className.replace("Selected", "");
 798                                                 feedr.className = feedr.className.replace("Unread", "");
 799
 800                                                 feedr.className = feedr.className + "Unread";
 801
 802                                                 if (is_selected) {
 803                                                         feedr.className = feedr.className + "Selected";
 804                                                 }
 805
 806                                         }
 807
 808                                         if (row_needs_hl &&
 809                                                         !getInitParam("theme_options").match('no_highlights')) {
 810                                                 new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
 811                                                         queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
 812
 813                                                 cache_invalidate("F:" + id);
 814                                         }
 815                                 } else {
 816                                         feedctr.className = "feedCtrNoUnread";
 817                                         feedr.className = feedr.className.replace("Unread", "");
 818                                 }
 819                         }
 820                 }
 821
 822                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 823
 824                 var feeds_stored = number_of_feeds;
 825
 826                 //console.log("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
 827
 828                 if (feeds_stored != feeds_found) {
 829                         number_of_feeds = feeds_found;
 830
 831                         if (feeds_stored != 0 && feeds_found != 0) {
 832                                 console.log("Subscribed feed number changed, refreshing feedlist");
 833                                 setTimeout('updateFeedList(false, false)', 50);
 834                         }
 835                 } else {
 836 /*                      var fl = $("feeds-frame").innerHTML;
 837                         if (fl) {
 838                                 cache_invalidate("FEEDLIST");
 839                                 cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
 840                         } */
 841                 }
 842
 843         } catch (e) {
 844                 exception_error("parse_counters", e);
 845         }
 846 }
 847
 848 function get_feed_unread(id) {
 849         try {
 850                 return parseInt($("FEEDU-" + id).innerHTML);
 851         } catch (e) {
 852                 return -1;
 853         }
 854 }
 855
 856 function get_cat_unread(id) {
 857         try {
 858                 var ctr = $("FCATCTR-" + id).innerHTML;
 859                 ctr = ctr.replace("(", "");
 860                 ctr = ctr.replace(")", "");
 861                 return parseInt(ctr);
 862         } catch (e) {
 863                 return -1;
 864         }
 865 }
 866
 867 function get_feed_entry_unread(elem) {
 868
 869         var id = elem.id.replace("FEEDR-", "");
 870
 871         if (id <= 0) {
 872                 return -1;
 873         }
 874
 875         try {
 876                 return parseInt($("FEEDU-" + id).innerHTML);
 877         } catch (e) {
 878                 return -1;
 879         }
 880 }
 881
 882 function get_feed_entry_name(elem) {
 883         var id = elem.id.replace("FEEDR-", "");
 884         return getFeedName(id);
 885 }
 886
 887
 888 function resort_category(node, cat_mode) {
 889
 890         try {
 891
 892                 console.log("resort_category: " + node + " CM=" + cat_mode);
 893
 894                 var by_unread = feedsSortByUnread();
 895
 896                 var list = node.getElementsByTagName("LI");
 897
 898                 for (i = 0; i < list.length; i++) {
 899
 900                         for (j = i+1; j < list.length; j++) {
 901
 902                                 var tmp_val = get_feed_entry_unread(list[i]);
 903                                 var cur_val = get_feed_entry_unread(list[j]);
 904
 905                                 var tmp_name = get_feed_entry_name(list[i]);
 906                                 var cur_name = get_feed_entry_name(list[j]);
 907
 908                                 /* we don't want to match FEEDR-0 - e.g. Archived articles */
 909
 910                                 var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[1-9]/) &&
 911                                                 list[j].id.match(/FEEDR-[1-9]/));
 912
 913                                 if (valid_pair && ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name)))) {
 914                                         tempnode_i = list[i].cloneNode(true);
 915                                         tempnode_j = list[j].cloneNode(true);
 916                                         node.replaceChild(tempnode_i, list[j]);
 917                                         node.replaceChild(tempnode_j, list[i]);
 918                                 }
 919                         }
 920                 }
 921
 922         } catch (e) {
 923                 exception_error("resort_category", e);
 924         }
 925
 926 }
 927
 928 function resort_feedlist() {
 929         console.log("resort_feedlist");
 930
 931         if ($("FCATLIST--1")) {
 932
 933                 var lists = document.getElementsByTagName("UL");
 934
 935                 for (var i = 0; i < lists.length; i++) {
 936                         if (lists[i].id && lists[i].id.match("FCATLIST-")) {
 937                                 resort_category(lists[i], true);
 938                         }
 939                 }
 940
 941         } else {
 942                 resort_category($("feedList"), false);
 943         }
 944 }
 945
 946 function hideOrShowFeeds(hide) {
 947
 948         try {
 949
 950         //console.log("hideOrShowFeeds: " + hide);
 951
 952         if ($("FCATLIST--1")) {
 953
 954                 var lists = document.getElementsByTagName("UL");
 955
 956                 for (var i = 0; i < lists.length; i++) {
 957                         if (lists[i].id && lists[i].id.match("FCATLIST-")) {
 958
 959                                 var id = lists[i].id.replace("FCATLIST-", "");
 960                                 hideOrShowFeedsCategory(id, hide);
 961                         }
 962                 }
 963
 964         } else {
 965                 hideOrShowFeedsCategory(null, hide);
 966         }
 967
 968         } catch (e) {
 969                 exception_error("hideOrShowFeeds", e);
 970         }
 971 }
 972
 973 function hideOrShowFeedsCategory(id, hide) {
 974
 975         try {
 976
 977                 var node = null;
 978                 var cat_node = null;
 979
 980                 if (id) {
 981                         node = $("FCATLIST-" + id);
 982                         cat_node = $("FCAT-" + id);
 983                 } else {
 984                         node = $("feedList"); // no categories
 985                 }
 986
 987         //      console.log("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
 988
 989                 var cat_unread = 0;
 990
 991                 if (!node) {
 992                         console.warn("hideOrShowFeeds: passed node is null, aborting");
 993                         return;
 994                 }
 995
 996         //      console.log("cat: " + node.id);
 997
 998                 if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 999                         for (i = 0; i < node.childNodes.length; i++) {
1000                                 if (node.childNodes[i].nodeName != "LI") { continue; }
1001
1002                                 if (node.childNodes[i].style != undefined) {
1003
1004                                         var has_unread = (node.childNodes[i].className != "feed" &&
1005                                                 node.childNodes[i].className != "label" &&
1006                                                 !(!getInitParam("hide_read_shows_special") &&
1007                                                         node.childNodes[i].className == "virt") &&
1008                                                 node.childNodes[i].className != "error" &&
1009                                                 node.childNodes[i].className != "tag");
1010
1011                                         var has_error = node.childNodes[i].className.match("error");
1012
1013         //                              console.log(node.childNodes[i].id + " --> " + has_unread);
1014
1015                                         if (hide && !has_unread) {
1016                                                 var id = node.childNodes[i].id;
1017                                                 Effect.Fade(node.childNodes[i], {duration : 0.3,
1018                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
1019                                         }
1020
1021                                         if (!hide) {
1022                                                 Element.show(node.childNodes[i]);
1023                                         }
1024
1025                                         if (has_unread) {
1026                                                 Element.show(node.childNodes[i]);
1027                                                 cat_unread++;
1028                                         }
1029
1030                                         //if (has_error)        Element.hide(node.childNodes[i]);
1031                                 }
1032                         }
1033                 }
1034
1035         //      console.log("end cat: " + node.id + " unread " + cat_unread);
1036
1037                 if (cat_node) {
1038
1039                         if (cat_unread == 0) {
1040                                 if (cat_node.style == undefined) {
1041                                         console.log("ERROR: supplied cat_node " + cat_node +
1042                                                 " has no styles. WTF?");
1043                                         return;
1044                                 }
1045                                 if (hide) {
1046                                         //cat_node.style.display = "none";
1047                                         Effect.Fade(cat_node, {duration : 0.3,
1048                                                 queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
1049                                 } else {
1050                                         cat_node.style.display = "list-item";
1051                                 }
1052                         } else {
1053                                 try {
1054                                         cat_node.style.display = "list-item";
1055                                 } catch (e) {
1056                                         console.log(e);
1057                                 }
1058                         }
1059                 }
1060
1061 //      console.log("unread for category: " + cat_unread);
1062
1063         } catch (e) {
1064                 exception_error("hideOrShowFeedsCategory", e);
1065         }
1066 }
1067
1068 function getFeedName(id, is_cat) {
1069         var e;
1070
1071         if (is_cat) {
1072                 e = $("FCATN-" + id);
1073         } else {
1074                 e = $("FEEDN-" + id);
1075         }
1076         if (e) {
1077                 return e.innerHTML.stripTags();
1078         } else {
1079                 return null;
1080         }
1081 }
1082
1083 function getNextUnreadCat(id) {
1084         try {
1085                 var rows = $("feedList").getElementsByTagName("LI");
1086                 var feeds = new Array();
1087
1088                 var unread_only = true;
1089                 var is_cat = true;
1090
1091                 for (var i = 0; i < rows.length; i++) {
1092                         if (rows[i].id.match("FCAT-")) {
1093                                 if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1094
1095                                         var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
1096
1097                                         if (cat_id >= 0) {
1098                                                 if (!unread_only || get_cat_unread(cat_id) > 0) {
1099                                                         feeds.push(cat_id);
1100                                                 }
1101                                         }
1102                                 }
1103                         }
1104                 }
1105
1106                 var idx = feeds.indexOf(id);
1107                 if (idx != -1 && idx < feeds.length) {
1108                         return feeds[idx+1];
1109                 } else {
1110                         return feeds.shift();
1111                 }
1112
1113         } catch (e) {
1114                 exception_error("getNextUnreadCat", e);
1115         }
1116 }
1117
1118 function getRelativeFeedId2(id, is_cat, direction, unread_only) {
1119         try {
1120
1121 //              alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);
1122
1123                 var rows = $("feedList").getElementsByTagName("LI");
1124                 var feeds = new Array();
1125
1126                 for (var i = 0; i < rows.length; i++) {
1127                         if (rows[i].id.match("FEEDR-")) {
1128
1129                                 if (rows[i].id == "FEEDR-" + id && !is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1130
1131                                         if (!unread_only ||
1132                                                         (rows[i].className.match("Unread") || rows[i].id == "FEEDR-" + id)) {
1133                                                 feeds.push(rows[i].id.replace("FEEDR-", ""));
1134                                         }
1135                                 }
1136                         }
1137
1138                         if (rows[i].id.match("FCAT-")) {
1139                                 if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1140
1141                                         var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
1142
1143                                         if (cat_id >= 0) {
1144                                                 if (!unread_only || get_cat_unread(cat_id) > 0) {
1145                                                         feeds.push("CAT:"+cat_id);
1146                                                 }
1147                                         }
1148                                 }
1149                         }
1150                 }
1151
1152 //              alert(feeds.toString());
1153
1154                 if (!id) {
1155                         if (direction == "next") {
1156                                 return feeds.shift();
1157                         } else {
1158                                 return feeds.pop();
1159                         }
1160                 } else {
1161                         if (direction == "next") {
1162                                 if (is_cat) id = "CAT:" + id;
1163                                 var idx = feeds.indexOf(id);
1164                                 if (idx != -1 && idx < feeds.length) {
1165                                         return feeds[idx+1];
1166                                 } else {
1167                                         return getRelativeFeedId2(false, is_cat, direction, unread_only);
1168                                 }
1169                         } else {
1170                                 if (is_cat) id = "CAT:" + id;
1171                                 var idx = feeds.indexOf(id);
1172                                 if (idx > 0) {
1173                                         return feeds[idx-1];
1174                                 } else {
1175                                         return getRelativeFeedId2(false, is_cat, direction, unread_only);
1176                                 }
1177                         }
1178
1179                 }
1180
1181         } catch (e) {
1182                 exception_error("getRelativeFeedId2", e);
1183         }
1184 }
1185
1186 function clean_feed_selections() {
1187         try {
1188                 var feeds = $("feedList").getElementsByTagName("LI");
1189
1190                 for (var i = 0; i < feeds.length; i++) {
1191                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
1192                                 feeds[i].className = feeds[i].className.replace("Selected", "");
1193                         }
1194                         if (feeds[i].id && feeds[i].id.match("FCAT-")) {
1195                                 feeds[i].className = feeds[i].className.replace("Selected", "");
1196                         }
1197                 }
1198         } catch (e) {
1199                 exception_error("clean_feed_selections", e);
1200         }
1201 }
1202
1203 function feedsSortByUnread() {
1204         return feeds_sort_by_unread;
1205 }
1206
1207