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