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