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 = document.getElementById("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 (document.getElementById("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                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 190
 191                         if (show_next_feed) {
 192
 193                                 if (!activeFeedIsCat()) {
 194
 195                                         var feedlist = document.getElementById('feedList');
 196
 197                                         var next_unread_feed = getRelativeFeedId(feedlist,
 198                                                         feed, "next", true);
 199
 200                                         if (!next_unread_feed) {
 201                                                 next_unread_feed = getRelativeFeedId(feedlist,
 202                                                         -3, "next", true);
 203                                         }
 204
 205                                         if (next_unread_feed) {
 206                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 207                                                 //setActiveFeedId(next_unread_feed);
 208                                                 feed = next_unread_feed;
 209                                         }
 210                                 } else {
 211
 212                                         var next_unread_feed = getNextUnreadCat(feed);
 213
 214                                         /* we don't need to specify that our next feed is actually
 215                                         a category, because we're in the is_cat mode by definition
 216                                         already */
 217
 218                                         if (next_unread_feed && show_next_feed) {
 219                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 220                                                 feed = next_unread_feed;
 221                                         }
 222
 223                                 }
 224                         }
 225                 }
 226
 227                 if (is_cat) {
 228                         query = query + "&cat=1";
 229                 }
 230
 231                 if (page_offset != 0) {
 232                         query = query + "&skip=" + page_offset;
 233
 234                         // to prevent duplicate feed titles when showing grouped vfeeds
 235                         if (vgroup_last_feed) {
 236                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 237                         }
 238                 }
 239
 240                 var date = new Date();
 241                 var timestamp = Math.round(date.getTime() / 1000);
 242                 query = query + "&ts=" + timestamp
 243
 244                 disableContainerChildren("headlinesToolbar", false);
 245                 Form.enable("main_toolbar_form");
 246
 247                 // for piggybacked counters
 248
 249                 if (tagsAreDisplayed()) {
 250                         query = query + "&omode=lt";
 251                 } else {
 252                         query = query + "&omode=flc";
 253                 }
 254
 255                 if (!async_counters_work) {
 256                         query = query + "&csync=true";
 257                 }
 258
 259                 debug(query);
 260
 261                 var container = document.getElementById("headlinesInnerContainer");
 262
 263 /*              if (container && page_offset == 0 && !isCdmMode()) {
 264                         new Effect.Fade(container, {duration: 1, to: 0.01,
 265                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 266                 } */
 267
 268                 var unread_ctr = -1;
 269
 270                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 271
 272                 var cache_check = false;
 273
 274                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 275
 276                         var cache_prefix = "";
 277
 278                         if (is_cat) {
 279                                 cache_prefix = "C:";
 280                         } else {
 281                                 cache_prefix = "F:";
 282                         }
 283
 284                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 285                         debug("headline cache check: " + cache_check);
 286                 }
 287
 288                 if (cache_check) {
 289                         var f = document.getElementById("headlines-frame");
 290
 291                         clean_feed_selections();
 292
 293                         setActiveFeedId(feed, is_cat);
 294
 295                         if (!is_cat) {
 296                                 var feedr = document.getElementById("FEEDR-" + feed);
 297                                 if (feedr && !feedr.className.match("Selected")) {
 298                                         feedr.className = feedr.className + "Selected";
 299                                 }
 300                         } else {
 301                                 var feedr = document.getElementById("FCAT-" + feed_id);
 302                                 if (feedr && !feedr.className.match("Selected")) {
 303                                         feedr.className = feedr.className + "Selected";
 304                                 }
 305                         }
 306
 307                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 308
 309                         request_counters();
 310                         remove_splash();
 311
 312                 } else {
 313
 314                         if (!page_offset) {
 315                                 notify_progress("Loading, please wait...", true);
 316                         }
 317
 318                         new Ajax.Request(query, {
 319                                 onComplete: function(transport) {
 320                                         headlines_callback2(transport, page_offset);
 321                                 } });
 322                 }
 323
 324         } catch (e) {
 325                 exception_error("viewfeed", e);
 326         }
 327 }
 328
 329 function toggleCollapseCat_af(effect) {
 330         //var caption = elem.id.replace("FCATLIST-", "");
 331
 332         try {
 333
 334                 var elem = effect.element;
 335                 var cat = elem.id.replace("FCATLIST-", "");
 336                 var cap = document.getElementById("FCAP-" + cat);
 337
 338                 if (Element.visible(elem)) {
 339                         cap.innerHTML = cap.innerHTML.replace("…", "");
 340                 } else {
 341                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 342                                 cap.innerHTML = cap.innerHTML + "…";
 343                         }
 344                 }
 345
 346         } catch (e) {
 347                 exception_error("toggleCollapseCat_af", e);
 348         }
 349 }
 350
 351 function toggleCollapseCat(cat) {
 352         try {
 353
 354                 var cat_elem = document.getElementById("FCAT-" + cat);
 355                 var cat_list = document.getElementById("FCATLIST-" + cat).parentNode;
 356                 var caption = document.getElementById("FCAP-" + cat);
 357
 358 /*              if (cat_list.className.match("invisible")) {
 359                         cat_list.className = "";
 360                         caption.innerHTML = caption.innerHTML.replace("...", "");
 361                         if (cat == 0) {
 362                                 setCookie("ttrss_vf_uclps", "0");
 363                         }
 364                 } else {
 365                         cat_list.className = "invisible";
 366                         caption.innerHTML = caption.innerHTML + "...";
 367                         if (cat == 0) {
 368                                 setCookie("ttrss_vf_uclps", "1");
 369                         }
 370
 371                 } */
 372
 373                 if (cat == 0) {
 374                         if (Element.visible("FCATLIST-" + cat)) {
 375                                 setCookie("ttrss_vf_uclps", "1");
 376                         } else {
 377                                 setCookie("ttrss_vf_uclps", "0");
 378                         }
 379                 }
 380
 381                 if (cat == -2) {
 382                         if (Element.visible("FCATLIST-" + cat)) {
 383                                 setCookie("ttrss_vf_lclps", "1");
 384                         } else {
 385                                 setCookie("ttrss_vf_lclps", "0");
 386                         }
 387                 }
 388
 389                 if (cat == -1) {
 390                         if (Element.visible("FCATLIST-" + cat)) {
 391                                 setCookie("ttrss_vf_vclps", "1");
 392                         } else {
 393                                 setCookie("ttrss_vf_vclps", "0");
 394                         }
 395                 }
 396
 397                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 398                         afterFinish: toggleCollapseCat_af });
 399
 400                 new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
 401                         param_escape(cat));
 402
 403         } catch (e) {
 404                 exception_error("toggleCollapseCat", e);
 405         }
 406 }
 407
 408 function feedlist_dragsorted(ctr) {
 409         try {
 410                 var elem = document.getElementById("feedList");
 411
 412                 var cats = elem.getElementsByTagName("LI");
 413                 var ordered_cats = new Array();
 414
 415                 for (var i = 0; i < cats.length; i++) {
 416                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 417                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 418                         }
 419                 }
 420
 421                 if (ordered_cats.length > 0) {
 422
 423                         var query = "backend.php?op=feeds&subop=catsort&corder=" +
 424                                 param_escape(ordered_cats.toString());
 425
 426                         debug(query);
 427
 428                         new Ajax.Request(query);
 429                 }
 430
 431         } catch (e) {
 432                 exception_error("feedlist_dragsorted", e);
 433         }
 434 }
 435
 436 function feedlist_init() {
 437         try {
 438 //              if (arguments.callee.done) return;
 439 //              arguments.callee.done = true;
 440
 441                 loading_set_progress(90);
 442
 443                 debug("in feedlist init");
 444
 445                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 446                 document.onkeydown = hotkey_handler;
 447                 document.onmousemove = mouse_move_handler;
 448                 document.onmousedown = mouse_down_handler;
 449                 document.onmouseup = mouse_up_handler;
 450
 451                 if (!offline_mode) setTimeout("timeout()", 1);
 452
 453                 if (typeof correctPNG != 'undefined') {
 454                         correctPNG();
 455                 }
 456
 457                 if (getActiveFeedId()) {
 458                         //debug("some feed is open on feedlist refresh, reloading");
 459                         //setTimeout("viewCurrentFeed()", 100);
 460                 } else {
 461                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 462                                 notify_silent_next();
 463                                 setTimeout("viewfeed(-3)", 100);
 464                         } else {
 465                                 remove_splash();
 466                         }
 467                 }
 468
 469                 if (getInitParam("theme") == "") {
 470                         setTimeout("hide_footer()", 5000);
 471                 }
 472
 473                 init_collapsable_feedlist(getInitParam("theme"));
 474
 475                 toggle_sortable_feedlist(isFeedlistSortable());
 476
 477         } catch (e) {
 478                 exception_error("feedlist/init", e);
 479         }
 480 }
 481
 482 function hide_footer_af(effect) {
 483         try {
 484                 var c = document.getElementById("content-frame");
 485
 486                 if (c) {
 487                         c.style.bottom = "0px";
 488
 489                         var ioa = document.getElementById("inline_orig_article");
 490
 491                         if (ioa) {
 492                                 ioa.height = c.offsetHeight;
 493                         }
 494
 495                 } else {
 496                         var h = document.getElementById("headlines-frame");
 497
 498                         if (h) {
 499                                 h.style.bottom = "0px";
 500                         }
 501                 }
 502
 503         } catch (e) {
 504                 exception_error("hide_footer_af", e);
 505         }
 506 }
 507
 508 function hide_footer() {
 509         try {
 510                 if (Element.visible("footer")) {
 511                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 512                 }
 513         } catch (e) {
 514                 exception_error("hide_footer", e);
 515         }
 516 }
 517
 518 /*
 519 function init_hidden_feedlist(theme) {
 520         try {
 521                 debug("init_hidden_feedlist");
 522
 523                 if (theme != "" && theme != "compact") return;
 524
 525                 var fl = document.getElementById("feeds-holder");
 526                 var fh = document.getElementById("headlines-frame");
 527                 var fc = document.getElementById("content-frame");
 528                 var ft = document.getElementById("toolbar");
 529                 var ff = document.getElementById("footer");
 530                 var fhdr = document.getElementById("header");
 531
 532                 var fbtn = document.getElementById("toggle_feeds_btn");
 533
 534                 if (fbtn) Element.show(fbtn);
 535
 536                 fl.style.top = fh.offsetTop + "px";
 537                 fl.style.backgroundColor = "white"; //FIXME
 538
 539                 Element.hide(fl);
 540
 541                 fh.style.left = "0px";
 542                 ft.style.left = "0px";
 543                 if (fc) fc.style.left = "0px";
 544                 if (ff) ff.style.left = "0px";
 545
 546                 if (theme == "compact") {
 547                         fhdr.style.left = "10px";
 548                         fl.style.top = (fh.offsetTop + 1) + "px";
 549                 }
 550
 551         } catch (e) {
 552                 exception_error("init_hidden_feedlist", e);
 553         }
 554 } */
 555
 556 function init_collapsable_feedlist(theme) {
 557         try {
 558                 debug("init_collapsable_feedlist");
 559
 560                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 561                                 theme != "compat") return;
 562
 563                 var fbtn = document.getElementById("collapse_feeds_btn");
 564
 565                 if (fbtn) Element.show(fbtn);
 566
 567                 if (getCookie("ttrss_vf_fclps") == 1) {
 568                         collapse_feedlist();
 569                 }
 570
 571         } catch (e) {
 572                 exception_error("init_hidden_feedlist", e);
 573         }
 574
 575 }
 576
 577 function mouse_move_handler(e) {
 578         try {
 579                 var client_y;
 580                 var client_x;
 581
 582                 if (window.event) {
 583                         client_y = window.event.clientY;
 584                         client_x = window.event.clientX;
 585                 } else if (e) {
 586                         client_x = e.screenX;
 587                         client_y = e.screenY;
 588                 }
 589
 590                 if (mouse_is_down) {
 591
 592                         if (mouse_y == 0) mouse_y = client_y;
 593                         if (mouse_x == 0) mouse_x = client_x;
 594
 595                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 596
 597                         mouse_y = client_y;
 598                         mouse_x = client_x;
 599
 600                         return false;
 601                 }
 602
 603         } catch (e) {
 604                 exception_error("mouse_move_handler", e);
 605         }
 606 }
 607
 608 function enable_selection(b) {
 609         selection_disabled = !b;
 610 }
 611
 612 function enable_resize(b) {
 613         resize_enabled = b;
 614 }
 615
 616 function mouse_down_handler(e) {
 617         try {
 618
 619                 /* do not prevent right click */
 620                 if (e.button && e.button == 2) return;
 621
 622                 if (resize_enabled) {
 623                         mouse_is_down = true;
 624                         mouse_x = 0;
 625                         mouse_y = 0;
 626                         document.onselectstart = function() { return false; };
 627                         return false;
 628                 }
 629
 630                 if (selection_disabled) {
 631                         document.onselectstart = function() { return false; };
 632                         return false;
 633                 }
 634
 635         } catch (e) {
 636                 exception_error("mouse_move_handler", e);
 637         }
 638 }
 639
 640 function mouse_up_handler(e) {
 641         try {
 642                 mouse_is_down = false;
 643
 644                 if (!selection_disabled) {
 645                         document.onselectstart = null;
 646                         var e = document.getElementById("headlineActionsBody");
 647                         if (e) Element.hide(e);
 648                 }
 649
 650         } catch (e) {
 651                 exception_error("mouse_move_handler", e);
 652         }
 653 }
 654
 655 function request_counters_real() {
 656
 657         try {
 658
 659                 if (offline_mode) return;
 660
 661                 debug("requesting counters...");
 662
 663                 var query = "backend.php?op=rpc&subop=getAllCounters";
 664
 665                 if (tagsAreDisplayed()) {
 666                         query = query + "&omode=tl";
 667                 } else {
 668                         query = query + "&omode=flc";
 669                 }
 670
 671                 new Ajax.Request(query, {
 672                         onComplete: function(transport) {
 673                                 try {
 674                                         all_counters_callback2(transport, true);
 675                                 } catch (e) {
 676                                         exception_error("viewfeed/getcounters", e);
 677                                 }
 678                         } });
 679
 680         } catch (e) {
 681                 exception_error("request_counters_real", e);
 682         }
 683 }
 684
 685
 686 function request_counters() {
 687
 688         try {
 689
 690                 if (getInitParam("bw_limit") == "1") return;
 691
 692                 var date = new Date();
 693                 var timestamp = Math.round(date.getTime() / 1000);
 694
 695 //              if (getInitParam("sync_counters") == "1" ||
 696 //                              timestamp - counters_last_request > 10) {
 697
 698                 if (timestamp - counters_last_request > 15) {
 699                         debug("scheduling request of counters...");
 700                         window.setTimeout("request_counters_real()", 1000);
 701                         counters_last_request = timestamp;
 702                 } else {
 703                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 704                 }
 705
 706         } catch (e) {
 707                 exception_error("request_counters", e);
 708         }
 709 }
 710
 711