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