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 resize_enabled = false;
  11 var selection_disabled = false;
  12 var counters_last_request = 0;
  13
  14 function toggle_sortable_feedlist(enabled) {
  15         try {
  16
  17                 if (enabled) {
  18                         Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
  19                 } else {
  20                         Sortable.destroy('feedList');
  21                 }
  22
  23         } catch (e) {
  24                 exception_error("toggle_sortable_feedlist", e);
  25         }
  26 }
  27
  28 function viewCategory(cat) {
  29         viewfeed(cat, '', true);
  30         return false;
  31 }
  32
  33 function printFeedEntry(id, title, row_class, unread, icon) {
  34
  35         var tmp = "";
  36         var fctr_class = "";
  37         var feed_icon = "";
  38
  39         if (unread > 0) {
  40                 row_class += "Unread";
  41                 fctr_class = "feedCtrHasUnread";
  42         } else {
  43                 fctr_class = "feedCtrNoUnread";
  44         }
  45
  46         if (icon) {
  47                 feed_icon = "<img id='FIMG-"+id+"' src='" + icon + "'>";
  48         } else {
  49                 feed_icon = "<img id='FIMG-"+id+"' src='images/blank_icon.gif'>";
  50         }
  51
  52         var link = "<a title=\"FIXME\" id=\"FEEDL-"+id+"\""+
  53                 "href=\"javascript:viewfeed('"+id+"', '', false, '', false, 0);\">"+
  54                 title + "</a>";
  55
  56         tmp += "<li id='FEEDR-"+id+"' class="+row_class+">" + feed_icon +
  57                 "<span id=\"FEEDN-"+id+"\">" + link + "</span>";
  58
  59         tmp += " <span class='"+fctr_class+"' id=\"FEEDCTR-"+id+"\">" +
  60            "(<span id=\"FEEDU-"+id+"\">"+unread+"</span>)</span>";
  61
  62         tmp += "</li>";
  63
  64         return tmp;
  65 }
  66
  67 function render_feedlist(data) {
  68         try {
  69
  70                 var f = $("feeds-frame");
  71                 f.innerHTML = data;
  72 //              cache_invalidate("FEEDLIST");
  73 //              cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
  74                 feedlist_init();
  75
  76         } catch (e) {
  77                 exception_error("render_feedlist", e);
  78         }
  79 }
  80
  81 function feedlist_callback2(transport) {
  82         try {
  83                 debug("feedlist_callback2");
  84                 if (!transport_error_check(transport)) return;
  85                 render_feedlist(transport.responseText);
  86         } catch (e) {
  87                 exception_error("feedlist_callback2", e);
  88         }
  89 }
  90
  91 function viewNextFeedPage() {
  92         try {
  93                 //if (!getActiveFeedId()) return;
  94
  95                 debug("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  96
  97                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  98                         undefined, parseInt(_feed_cur_page+1));
  99
 100         } catch (e) {
 101                 exception_error("viewNextFeedPage", e);
 102         }
 103 }
 104
 105
 106 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
 107         try {
 108
 109                 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
 110                         skip_history, offset);
 111
 112 //              if (!offset) page_offset = 0;
 113
 114                 last_requested_article = 0;
 115                 //counters_last_request = 0;
 116
 117                 if (feed == getActiveFeedId()) {
 118                         cache_invalidate("F:" + feed);
 119                 }
 120
 121 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
 122                         if (getInitParam("hide_feedlist") == 1) {
 123                                 Element.hide("feeds-holder");
 124                         }
 125                 } */
 126
 127                 var force_nocache = false;
 128
 129                 var page_offset = 0;
 130
 131                 if (offset > 0) {
 132                         page_offset = offset;
 133                 } else {
 134                         page_offset = 0;
 135                         _feed_cur_page = 0;
 136                         _infscroll_disable = 0;
 137                 }
 138
 139                 if (getActiveFeedId() != feed) {
 140                         _feed_cur_page = 0;
 141                         active_post_id = 0;
 142                         _infscroll_disable = 0;
 143                 }
 144
 145                 if (page_offset != 0 && !subop) {
 146                         var date = new Date();
 147                         var timestamp = Math.round(date.getTime() / 1000);
 148
 149                         debug("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
 150
 151                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 152                                 debug("infscroll request in progress, aborting");
 153                                 return;
 154                         }
 155
 156                         _infscroll_request_sent = timestamp;
 157                 }
 158
 159                 enableHotkeys();
 160
 161                 closeInfoBox();
 162
 163                 Form.enable("main_toolbar_form");
 164
 165                 var toolbar_form = document.forms["main_toolbar_form"];
 166                 var toolbar_query = Form.serialize("main_toolbar_form");
 167
 168                 if (toolbar_form.query) {
 169                         if (toolbar_form.query.value != "") {
 170                                 force_nocache = true;
 171                         }
 172                         toolbar_form.query.value = "";
 173                 }
 174
 175                 var query = "backend.php?op=viewfeed&feed=" + feed + "&" +
 176                         toolbar_query + "&subop=" + param_escape(subop);
 177
 178                 if ($("search_form")) {
 179                         var search_query = Form.serialize("search_form");
 180                         query = query + "&" + search_query;
 181                         closeInfoBox(true);
 182                         force_nocache = true;
 183                 }
 184
 185 //              debug("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 186
 187                 if (subop == "MarkAllRead") {
 188
 189                         catchup_local_feed(feed, is_cat);
 190
 191                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 192
 193                         if (show_next_feed) {
 194
 195                                 if (!activeFeedIsCat()) {
 196
 197                                         var feedlist = $('feedList');
 198
 199                                         var next_unread_feed = getRelativeFeedId(feedlist,
 200                                                         feed, "next", true);
 201
 202                                         if (!next_unread_feed) {
 203                                                 next_unread_feed = getRelativeFeedId(feedlist,
 204                                                         -3, "next", true);
 205                                         }
 206
 207                                         if (next_unread_feed) {
 208                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 209                                                 //setActiveFeedId(next_unread_feed);
 210                                                 feed = next_unread_feed;
 211                                         }
 212                                 } else {
 213
 214                                         var next_unread_feed = getNextUnreadCat(feed);
 215
 216                                         /* we don't need to specify that our next feed is actually
 217                                         a category, because we're in the is_cat mode by definition
 218                                         already */
 219
 220                                         if (next_unread_feed && show_next_feed) {
 221                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 222                                                 feed = next_unread_feed;
 223                                         }
 224
 225                                 }
 226                         }
 227                 }
 228
 229                 if (is_cat) {
 230                         query = query + "&cat=1";
 231                 }
 232
 233                 if (page_offset != 0) {
 234                         query = query + "&skip=" + page_offset;
 235
 236                         // to prevent duplicate feed titles when showing grouped vfeeds
 237                         if (vgroup_last_feed) {
 238                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 239                         }
 240                 }
 241
 242                 var date = new Date();
 243                 var timestamp = Math.round(date.getTime() / 1000);
 244                 query = query + "&ts=" + timestamp
 245
 246                 disableContainerChildren("headlinesToolbar", false);
 247                 Form.enable("main_toolbar_form");
 248
 249                 // for piggybacked counters
 250
 251                 if (tagsAreDisplayed()) {
 252                         query = query + "&omode=lt";
 253                 } else {
 254                         query = query + "&omode=flc";
 255                 }
 256
 257                 if (!async_counters_work) {
 258                         query = query + "&csync=true";
 259                 }
 260
 261                 debug(query);
 262
 263                 var container = $("headlinesInnerContainer");
 264
 265 /*              if (container && page_offset == 0 && !isCdmMode()) {
 266                         new Effect.Fade(container, {duration: 1, to: 0.01,
 267                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 268                 } */
 269
 270                 var unread_ctr = -1;
 271
 272                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 273
 274                 var cache_check = false;
 275
 276                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 277
 278                         var cache_prefix = "";
 279
 280                         if (is_cat) {
 281                                 cache_prefix = "C:";
 282                         } else {
 283                                 cache_prefix = "F:";
 284                         }
 285
 286                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 287                         debug("headline cache check: " + cache_check);
 288                 }
 289
 290                 if (cache_check) {
 291                         var f = $("headlines-frame");
 292
 293                         clean_feed_selections();
 294
 295                         setActiveFeedId(feed, is_cat);
 296
 297                         if (!is_cat) {
 298                                 var feedr = $("FEEDR-" + feed);
 299                                 if (feedr && !feedr.className.match("Selected")) {
 300                                         feedr.className = feedr.className + "Selected";
 301                                 }
 302                         } else {
 303                                 var feedr = $("FCAT-" + feed_id);
 304                                 if (feedr && !feedr.className.match("Selected")) {
 305                                         feedr.className = feedr.className + "Selected";
 306                                 }
 307                         }
 308
 309                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 310
 311                         request_counters();
 312                         remove_splash();
 313
 314                 } else {
 315
 316                         if (!page_offset) {
 317                                 notify_progress("Loading, please wait...", true);
 318                         }
 319
 320                         new Ajax.Request(query, {
 321                                 onComplete: function(transport) {
 322                                         headlines_callback2(transport, page_offset);
 323                                 } });
 324                 }
 325
 326         } catch (e) {
 327                 exception_error("viewfeed", e);
 328         }
 329 }
 330
 331 function toggleCollapseCat_af(effect) {
 332         //var caption = elem.id.replace("FCATLIST-", "");
 333
 334         try {
 335
 336                 var elem = effect.element;
 337                 var cat = elem.id.replace("FCATLIST-", "");
 338                 var cap = $("FCAP-" + cat);
 339
 340                 if (Element.visible(elem)) {
 341                         cap.innerHTML = cap.innerHTML.replace("…", "");
 342                 } else {
 343                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 344                                 cap.innerHTML = cap.innerHTML + "…";
 345                         }
 346                 }
 347
 348         } catch (e) {
 349                 exception_error("toggleCollapseCat_af", e);
 350         }
 351 }
 352
 353 function toggleCollapseCat(cat) {
 354         try {
 355
 356                 var cat_elem = $("FCAT-" + cat);
 357                 var cat_list = $("FCATLIST-" + cat).parentNode;
 358                 var caption = $("FCAP-" + cat);
 359
 360 /*              if (cat_list.className.match("invisible")) {
 361                         cat_list.className = "";
 362                         caption.innerHTML = caption.innerHTML.replace("...", "");
 363                         if (cat == 0) {
 364                                 setCookie("ttrss_vf_uclps", "0");
 365                         }
 366                 } else {
 367                         cat_list.className = "invisible";
 368                         caption.innerHTML = caption.innerHTML + "...";
 369                         if (cat == 0) {
 370                                 setCookie("ttrss_vf_uclps", "1");
 371                         }
 372
 373                 } */
 374
 375                 if (cat == 0) {
 376                         if (Element.visible("FCATLIST-" + cat)) {
 377                                 setCookie("ttrss_vf_uclps", "1");
 378                         } else {
 379                                 setCookie("ttrss_vf_uclps", "0");
 380                         }
 381                 }
 382
 383                 if (cat == -2) {
 384                         if (Element.visible("FCATLIST-" + cat)) {
 385                                 setCookie("ttrss_vf_lclps", "1");
 386                         } else {
 387                                 setCookie("ttrss_vf_lclps", "0");
 388                         }
 389                 }
 390
 391                 if (cat == -1) {
 392                         if (Element.visible("FCATLIST-" + cat)) {
 393                                 setCookie("ttrss_vf_vclps", "1");
 394                         } else {
 395                                 setCookie("ttrss_vf_vclps", "0");
 396                         }
 397                 }
 398
 399                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 400                         afterFinish: toggleCollapseCat_af });
 401
 402                 new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
 403                         param_escape(cat));
 404
 405                 local_collapse_cat(cat);
 406
 407         } catch (e) {
 408                 exception_error("toggleCollapseCat", e);
 409         }
 410 }
 411
 412 function feedlist_dragsorted(ctr) {
 413         try {
 414                 var elem = $("feedList");
 415
 416                 var cats = elem.getElementsByTagName("LI");
 417                 var ordered_cats = new Array();
 418
 419                 for (var i = 0; i < cats.length; i++) {
 420                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 421                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 422                         }
 423                 }
 424
 425                 if (ordered_cats.length > 0) {
 426
 427                         var query = "backend.php?op=feeds&subop=catsort&corder=" +
 428                                 param_escape(ordered_cats.toString());
 429
 430                         debug(query);
 431
 432                         new Ajax.Request(query);
 433                 }
 434
 435         } catch (e) {
 436                 exception_error("feedlist_dragsorted", e);
 437         }
 438 }
 439
 440 function feedlist_init() {
 441         try {
 442 //              if (arguments.callee.done) return;
 443 //              arguments.callee.done = true;
 444
 445                 loading_set_progress(90);
 446
 447                 debug("in feedlist init");
 448
 449                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 450                 document.onkeydown = hotkey_handler;
 451                 document.onmousemove = mouse_move_handler;
 452                 document.onmousedown = mouse_down_handler;
 453                 document.onmouseup = mouse_up_handler;
 454
 455                 if (!offline_mode) setTimeout("timeout()", 1);
 456
 457                 if (typeof correctPNG != 'undefined') {
 458                         correctPNG();
 459                 }
 460
 461                 if (getActiveFeedId()) {
 462                         //debug("some feed is open on feedlist refresh, reloading");
 463                         //setTimeout("viewCurrentFeed()", 100);
 464                 } else {
 465                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 466                                 notify_silent_next();
 467                                 setTimeout("viewfeed(-3)", 100);
 468                         } else {
 469                                 remove_splash();
 470                         }
 471                 }
 472
 473                 if (getInitParam("theme") == "") {
 474                         setTimeout("hide_footer()", 5000);
 475                 }
 476
 477                 init_collapsable_feedlist(getInitParam("theme"));
 478
 479                 toggle_sortable_feedlist(isFeedlistSortable());
 480
 481         } catch (e) {
 482                 exception_error("feedlist/init", e);
 483         }
 484 }
 485
 486 function hide_footer_af(effect) {
 487         try {
 488                 var c = $("content-frame");
 489
 490                 if (c) {
 491                         c.style.bottom = "0px";
 492
 493                         var ioa = $("inline_orig_article");
 494
 495                         if (ioa) {
 496                                 ioa.height = c.offsetHeight;
 497                         }
 498
 499                 } else {
 500                         var h = $("headlines-frame");
 501
 502                         if (h) {
 503                                 h.style.bottom = "0px";
 504                         }
 505                 }
 506
 507         } catch (e) {
 508                 exception_error("hide_footer_af", e);
 509         }
 510 }
 511
 512 function hide_footer() {
 513         try {
 514                 if (Element.visible("footer")) {
 515                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 516                 }
 517         } catch (e) {
 518                 exception_error("hide_footer", e);
 519         }
 520 }
 521
 522 /*
 523 function init_hidden_feedlist(theme) {
 524         try {
 525                 debug("init_hidden_feedlist");
 526
 527                 if (theme != "" && theme != "compact") return;
 528
 529                 var fl = $("feeds-holder");
 530                 var fh = $("headlines-frame");
 531                 var fc = $("content-frame");
 532                 var ft = $("toolbar");
 533                 var ff = $("footer");
 534                 var fhdr = $("header");
 535
 536                 var fbtn = $("toggle_feeds_btn");
 537
 538                 if (fbtn) Element.show(fbtn);
 539
 540                 fl.style.top = fh.offsetTop + "px";
 541                 fl.style.backgroundColor = "white"; //FIXME
 542
 543                 Element.hide(fl);
 544
 545                 fh.style.left = "0px";
 546                 ft.style.left = "0px";
 547                 if (fc) fc.style.left = "0px";
 548                 if (ff) ff.style.left = "0px";
 549
 550                 if (theme == "compact") {
 551                         fhdr.style.left = "10px";
 552                         fl.style.top = (fh.offsetTop + 1) + "px";
 553                 }
 554
 555         } catch (e) {
 556                 exception_error("init_hidden_feedlist", e);
 557         }
 558 } */
 559
 560 function init_collapsable_feedlist(theme) {
 561         try {
 562                 debug("init_collapsable_feedlist");
 563
 564                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 565                                 theme != "compat") return;
 566
 567                 var fbtn = $("collapse_feeds_btn");
 568
 569                 if (fbtn) Element.show(fbtn);
 570
 571                 if (getCookie("ttrss_vf_fclps") == 1) {
 572                         collapse_feedlist();
 573                 }
 574
 575         } catch (e) {
 576                 exception_error("init_hidden_feedlist", e);
 577         }
 578
 579 }
 580
 581 function mouse_move_handler(e) {
 582         try {
 583                 var client_y;
 584                 var client_x;
 585
 586                 if (window.event) {
 587                         client_y = window.event.clientY;
 588                         client_x = window.event.clientX;
 589                 } else if (e) {
 590                         client_x = e.screenX;
 591                         client_y = e.screenY;
 592                 }
 593
 594                 if (mouse_is_down) {
 595
 596                         if (mouse_y == 0) mouse_y = client_y;
 597                         if (mouse_x == 0) mouse_x = client_x;
 598
 599                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 600
 601                         mouse_y = client_y;
 602                         mouse_x = client_x;
 603
 604                         return false;
 605                 }
 606
 607         } catch (e) {
 608                 exception_error("mouse_move_handler", e);
 609         }
 610 }
 611
 612 function enable_selection(b) {
 613         selection_disabled = !b;
 614 }
 615
 616 function enable_resize(b) {
 617         resize_enabled = b;
 618 }
 619
 620 function mouse_down_handler(e) {
 621         try {
 622
 623                 /* do not prevent right click */
 624                 if (e && e.button && e.button == 2) return;
 625
 626                 if (resize_enabled) {
 627                         mouse_is_down = true;
 628                         mouse_x = 0;
 629                         mouse_y = 0;
 630                         document.onselectstart = function() { return false; };
 631                         return false;
 632                 }
 633
 634                 if (selection_disabled) {
 635                         document.onselectstart = function() { return false; };
 636                         return false;
 637                 }
 638
 639         } catch (e) {
 640                 exception_error("mouse_down_handler", e);
 641         }
 642 }
 643
 644 function mouse_up_handler(e) {
 645         try {
 646                 mouse_is_down = false;
 647
 648                 if (!selection_disabled) {
 649                         document.onselectstart = null;
 650                         var e = $("headlineActionsBody");
 651                         if (e) Element.hide(e);
 652
 653                         var e = $("offlineModeDrop");
 654                         if (e) Element.hide(e);
 655
 656                 }
 657
 658         } catch (e) {
 659                 exception_error("mouse_up_handler", e);
 660         }
 661 }
 662
 663 function request_counters_real() {
 664
 665         try {
 666
 667                 if (offline_mode) return;
 668
 669                 debug("requesting counters...");
 670
 671                 var query = "backend.php?op=rpc&subop=getAllCounters";
 672
 673                 if (tagsAreDisplayed()) {
 674                         query = query + "&omode=tl";
 675                 } else {
 676                         query = query + "&omode=flc";
 677                 }
 678
 679                 new Ajax.Request(query, {
 680                         onComplete: function(transport) {
 681                                 try {
 682                                         all_counters_callback2(transport, true);
 683                                 } catch (e) {
 684                                         exception_error("viewfeed/getcounters", e);
 685                                 }
 686                         } });
 687
 688         } catch (e) {
 689                 exception_error("request_counters_real", e);
 690         }
 691 }
 692
 693
 694 function request_counters() {
 695
 696         try {
 697
 698                 if (getInitParam("bw_limit") == "1") return;
 699
 700                 var date = new Date();
 701                 var timestamp = Math.round(date.getTime() / 1000);
 702
 703 //              if (getInitParam("sync_counters") == "1" ||
 704 //                              timestamp - counters_last_request > 10) {
 705
 706                 if (timestamp - counters_last_request > 15) {
 707                         debug("scheduling request of counters...");
 708                         window.setTimeout("request_counters_real()", 1000);
 709                         counters_last_request = timestamp;
 710                 } else {
 711                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 712                 }
 713
 714         } catch (e) {
 715                 exception_error("request_counters", e);
 716         }
 717 }
 718
 719