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 counter_timeout_id = false;
  11
  12 var resize_enabled = false;
  13 var selection_disabled = false;
  14 var counters_last_request = 0;
  15
  16 function toggle_sortable_feedlist(enabled) {
  17         try {
  18
  19                 if (enabled) {
  20                         Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
  21                 } else {
  22                         Sortable.destroy('feedList');
  23                 }
  24
  25         } catch (e) {
  26                 exception_error("toggle_sortable_feedlist", e);
  27         }
  28 }
  29
  30 function viewCategory(cat) {
  31         viewfeed(cat, '', true);
  32         return false;
  33 }
  34
  35 function render_feedlist(data) {
  36         try {
  37
  38                 var f = $("feeds-frame");
  39                 f.innerHTML = data;
  40 //              cache_invalidate("FEEDLIST");
  41 //              cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
  42                 feedlist_init();
  43
  44         } catch (e) {
  45                 exception_error("render_feedlist", e);
  46         }
  47 }
  48
  49 function viewNextFeedPage() {
  50         try {
  51                 //if (!getActiveFeedId()) return;
  52
  53                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  54
  55                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  56                         undefined, parseInt(_feed_cur_page+1));
  57
  58         } catch (e) {
  59                 exception_error("viewNextFeedPage", e);
  60         }
  61 }
  62
  63
  64 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  65         try {
  66                 if (is_cat == undefined) is_cat = false;
  67
  68                 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
  69                         skip_history, offset);
  70
  71 //              if (!offset) page_offset = 0;
  72
  73                 last_requested_article = 0;
  74                 //counters_last_request = 0;
  75
  76                 if (feed == getActiveFeedId()) {
  77                         cache_invalidate("F:" + feed);
  78                 }
  79
  80 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  81                         if (getInitParam("hide_feedlist") == 1) {
  82                                 Element.hide("feeds-holder");
  83                         }
  84                 } */
  85
  86                 var force_nocache = false;
  87
  88                 var page_offset = 0;
  89
  90                 if (offset > 0) {
  91                         page_offset = offset;
  92                 } else {
  93                         page_offset = 0;
  94                         _feed_cur_page = 0;
  95                         _infscroll_disable = 0;
  96                 }
  97
  98                 if (getActiveFeedId() != feed) {
  99                         _feed_cur_page = 0;
 100                         active_post_id = 0;
 101                         _infscroll_disable = 0;
 102                 }
 103
 104                 if (page_offset != 0 && !subop) {
 105                         var date = new Date();
 106                         var timestamp = Math.round(date.getTime() / 1000);
 107
 108                         console.log(_infscroll_request_sent + " : " + timestamp);
 109
 110                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 111                                 console.log("infscroll request in progress, aborting");
 112                                 return;
 113                         }
 114
 115                         _infscroll_request_sent = timestamp;
 116                 }
 117
 118                 enableHotkeys();
 119                 hideAuxDlg();
 120                 closeInfoBox();
 121
 122                 Form.enable("main_toolbar_form");
 123
 124                 var toolbar_form = document.forms["main_toolbar_form"];
 125                 var toolbar_query = Form.serialize("main_toolbar_form");
 126
 127                 if (toolbar_form.query) {
 128                         if (toolbar_form.query.value != "") {
 129                                 force_nocache = true;
 130                         }
 131                         toolbar_form.query.value = "";
 132                 }
 133
 134                 var query = "?op=viewfeed&feed=" + feed + "&" +
 135                         toolbar_query + "&subop=" + param_escape(subop);
 136
 137                 if ($("search_form")) {
 138                         var search_query = Form.serialize("search_form");
 139                         query = query + "&" + search_query;
 140                         $("search_form").query.value = "";
 141                         closeInfoBox(true);
 142                         force_nocache = true;
 143                 }
 144
 145 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 146
 147                 if (subop == "MarkAllRead") {
 148
 149                         catchup_local_feed(feed, is_cat);
 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 = $('feedList');
 158
 159                                         var next_unread_feed = getRelativeFeedId2(feed, false,
 160                                                         "next", true);
 161
 162                                         /* gRFI2 also returns categories which we don't really
 163                                          * need here, so we skip them */
 164
 165                                         while (next_unread_feed && next_unread_feed.match("CAT:"))
 166                                                 next_unread_feed = getRelativeFeedId2(
 167                                                                 next_unread_feed.replace("CAT:", ""),
 168                                                                 true, "next", true);
 169
 170                                         if (!next_unread_feed) {
 171                                                 next_unread_feed = getRelativeFeedId2(-3, true,
 172                                                         "next", true);
 173                                         }
 174
 175                                         if (next_unread_feed) {
 176                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 177                                                 //setActiveFeedId(next_unread_feed);
 178                                                 feed = next_unread_feed;
 179                                         }
 180                                 } else {
 181
 182                                         var next_unread_feed = getNextUnreadCat(feed);
 183
 184                                         /* we don't need to specify that our next feed is actually
 185                                         a category, because we're in the is_cat mode by definition
 186                                         already */
 187
 188                                         if (next_unread_feed && show_next_feed) {
 189                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 190                                                 feed = next_unread_feed;
 191                                         }
 192
 193                                 }
 194                         }
 195                 }
 196
 197                 if (is_cat) {
 198                         query = query + "&cat=1";
 199                 }
 200
 201                 if (page_offset != 0) {
 202                         query = query + "&skip=" + page_offset;
 203
 204                         // to prevent duplicate feed titles when showing grouped vfeeds
 205                         if (vgroup_last_feed) {
 206                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 207                         }
 208                 }
 209
 210                 Form.enable("main_toolbar_form");
 211
 212                 // for piggybacked counters
 213
 214                 if (tagsAreDisplayed()) {
 215                         query = query + "&omode=lt";
 216                 } else {
 217                         query = query + "&omode=flc";
 218                 }
 219
 220                 console.log(query);
 221
 222                 var container = $("headlinesInnerContainer");
 223
 224 /*              if (container && page_offset == 0 && !isCdmMode()) {
 225                         new Effect.Fade(container, {duration: 1, to: 0.01,
 226                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 227                 } */
 228
 229                 var unread_ctr = -1;
 230
 231                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 232
 233                 var cache_check = false;
 234
 235                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 236
 237                         var cache_prefix = "";
 238
 239                         if (is_cat) {
 240                                 cache_prefix = "C:";
 241                         } else {
 242                                 cache_prefix = "F:";
 243                         }
 244
 245                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 246                         console.log("headline cache check: " + cache_check);
 247                 }
 248
 249                 if (cache_check) {
 250                         var f = $("headlines-frame");
 251
 252                         clean_feed_selections();
 253
 254                         setActiveFeedId(feed, is_cat);
 255
 256                         if (!is_cat) {
 257                                 var feedr = $("FEEDR-" + feed);
 258                                 if (feedr && !feedr.className.match("Selected")) {
 259                                         feedr.className = feedr.className + "Selected";
 260                                 }
 261                         } else {
 262                                 var feedr = $("FCAT-" + feed_id);
 263                                 if (feedr && !feedr.className.match("Selected")) {
 264                                         feedr.className = feedr.className + "Selected";
 265                                 }
 266                         }
 267
 268                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 269
 270                         request_counters();
 271                         remove_splash();
 272
 273                 } else {
 274
 275                         if (!page_offset) {
 276                                 var feedr;
 277
 278                                 if (is_cat) {
 279                                         feedr = $('FCAP-' + feed);
 280                                 } else {
 281                                         feedr = $('FEEDR-' + feed);
 282                                 }
 283
 284                                 if (feedr && !$('FLL-' + feed)) {
 285
 286                                         var img = $('FIMG-' + feed);
 287
 288                                         if (!is_cat && img) {
 289
 290                                                 var cat_list = feedr.parentNode;
 291
 292                                                 if (!cat_list || Element.visible(cat_list)) {
 293                                                         if (!img.src.match("indicator_white")) {
 294                                                                 img.alt = img.src;
 295                                                                 img.src = getInitParam("sign_progress");
 296                                                         }
 297                                                 } else if (cat_list) {
 298                                                         feed_cat_id = cat_list.id.replace("FCATLIST-", "");
 299
 300                                                         if (!$('FLL-' + feed_cat_id)) {
 301
 302                                                                 var ll = document.createElement('img');
 303
 304                                                                 ll.src = getInitParam("sign_progress_tiny");
 305                                                                 ll.className = 'hlLoading';
 306                                                                 ll.id = 'FLL-' + feed;
 307
 308                                                                 $("FCAP-" + feed_cat_id).appendChild(ll);
 309                                                         }
 310                                                 }
 311
 312                                         } else {
 313
 314                                                 if (!$('FLL-' + feed)) {
 315                                                         var ll = document.createElement('img');
 316
 317                                                         ll.src = getInitParam("sign_progress_tiny");
 318                                                         ll.className = 'hlLoading';
 319                                                         ll.id = 'FLL-' + feed;
 320
 321                                                         feedr.appendChild(ll);
 322                                                 }
 323                                         }
 324                                 }
 325                         }
 326
 327                         new Ajax.Request("backend.php", {
 328                                 parameters: query,
 329                                 onComplete: function(transport) {
 330                                         headlines_callback2(transport, page_offset);
 331                                 } });
 332                 }
 333
 334         } catch (e) {
 335                 exception_error("viewfeed", e);
 336         }
 337 }
 338
 339 function toggleCollapseCat_af(effect) {
 340         //var caption = elem.id.replace("FCATLIST-", "");
 341
 342         try {
 343
 344                 var elem = effect.element;
 345                 var cat = elem.id.replace("FCATLIST-", "");
 346                 var cap = $("FCAP-" + cat);
 347
 348                 if (Element.visible(elem)) {
 349                         cap.innerHTML = cap.innerHTML.replace("…", "");
 350                 } else {
 351                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 352                                 cap.innerHTML = cap.innerHTML + "…";
 353                         }
 354                 }
 355
 356         } catch (e) {
 357                 exception_error("toggleCollapseCat_af", e);
 358         }
 359 }
 360
 361 function toggleCollapseCat(cat) {
 362         try {
 363
 364                 var cat_elem = $("FCAT-" + cat);
 365                 var cat_list = $("FCATLIST-" + cat).parentNode;
 366                 var caption = $("FCAP-" + cat);
 367
 368                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 369                         afterFinish: toggleCollapseCat_af });
 370
 371                 new Ajax.Request("backend.php",
 372                         { parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 373                                 param_escape(cat) } );
 374
 375                 local_collapse_cat(cat);
 376
 377         } catch (e) {
 378                 exception_error("toggleCollapseCat", e);
 379         }
 380 }
 381
 382 function isCatCollapsed(cat) {
 383         try {
 384                 return Element.visible("FCATLIST-" + cat);
 385         } catch (e) {
 386                 exception_error("isCatCollapsed", e);
 387         }
 388 }
 389
 390 function feedlist_dragsorted(ctr) {
 391         try {
 392                 var elem = $("feedList");
 393
 394                 var cats = elem.getElementsByTagName("LI");
 395                 var ordered_cats = new Array();
 396
 397                 for (var i = 0; i < cats.length; i++) {
 398                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 399                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 400                         }
 401                 }
 402
 403                 if (ordered_cats.length > 0) {
 404
 405                         var query = "?op=feeds&subop=catsort&corder=" +
 406                                 param_escape(ordered_cats.toString());
 407
 408                         //console.log(query);
 409
 410                         new Ajax.Request("backend.php", { parameters: query });
 411                 }
 412
 413         } catch (e) {
 414                 exception_error("feedlist_dragsorted", e);
 415         }
 416 }
 417
 418 function feedlist_init() {
 419         try {
 420                 loading_set_progress(90);
 421
 422                 //console.log("in feedlist init");
 423
 424                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 425                 document.onkeydown = hotkey_handler;
 426                 document.onmousemove = mouse_move_handler;
 427                 document.onmousedown = mouse_down_handler;
 428                 document.onmouseup = mouse_up_handler;
 429
 430                 if (!offline_mode) setTimeout("timeout()", 1);
 431
 432                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 433
 434                 if (getActiveFeedId()) {
 435                         //console.log("some feed is open on feedlist refresh, reloading");
 436                         //setTimeout("viewCurrentFeed()", 100);
 437                 } else {
 438                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 439                                 notify_silent_next();
 440                                 setTimeout("viewfeed(-3)", 100);
 441                         } else {
 442                                 setTimeout("viewfeed(-5)", 100);
 443                                 remove_splash();
 444                         }
 445                 }
 446
 447                 if (getInitParam("theme") == "" ||
 448                                 getInitParam("theme_options").match("hide_footer")) {
 449                         setTimeout("hide_footer()", 5000);
 450                 }
 451
 452                 init_collapsable_feedlist(getInitParam("theme"));
 453
 454                 toggle_sortable_feedlist(isFeedlistSortable());
 455
 456         } catch (e) {
 457                 exception_error("feedlist/init", e);
 458         }
 459 }
 460
 461 function hide_footer_af(effect) {
 462         try {
 463                 var c = $("content-frame");
 464
 465                 if (c) {
 466                         c.style.bottom = "0px";
 467
 468                         var ioa = $("inline_orig_article");
 469
 470                         if (ioa) {
 471                                 ioa.height = c.offsetHeight;
 472                         }
 473
 474                 } else {
 475                         var h = $("headlines-frame");
 476
 477                         if (h) {
 478                                 h.style.bottom = "0px";
 479                         }
 480                 }
 481
 482         } catch (e) {
 483                 exception_error("hide_footer_af", e);
 484         }
 485 }
 486
 487 function hide_footer() {
 488         try {
 489                 if (Element.visible("footer")) {
 490                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 491                 }
 492         } catch (e) {
 493                 exception_error("hide_footer", e);
 494         }
 495 }
 496
 497 function init_collapsable_feedlist() {
 498         try {
 499                 //console.log("init_collapsable_feedlist");
 500
 501                 var theme = getInitParam("theme");
 502                 var options = getInitParam("theme_options");
 503
 504                 if (theme != "" && !options.match("collapse_feedlist")) return;
 505
 506                 var fbtn = $("collapse_feeds_btn");
 507
 508                 if (fbtn) Element.show(fbtn);
 509
 510                 if (getInitParam("collapsed_feedlist") == 1) {
 511                         collapse_feedlist();
 512                 }
 513
 514         } catch (e) {
 515                 exception_error("init_hidden_feedlist", e);
 516         }
 517
 518 }
 519
 520 function mouse_move_handler(e) {
 521         try {
 522                 var client_y;
 523                 var client_x;
 524
 525                 if (window.event) {
 526                         client_y = window.event.clientY;
 527                         client_x = window.event.clientX;
 528                 } else if (e) {
 529                         client_x = e.screenX;
 530                         client_y = e.screenY;
 531                 }
 532
 533                 if (mouse_is_down) {
 534
 535                         if (mouse_y == 0) mouse_y = client_y;
 536                         if (mouse_x == 0) mouse_x = client_x;
 537
 538                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 539
 540                         mouse_y = client_y;
 541                         mouse_x = client_x;
 542
 543                         return false;
 544                 }
 545
 546         } catch (e) {
 547                 exception_error("mouse_move_handler", e);
 548         }
 549 }
 550
 551 function enable_selection(b) {
 552         selection_disabled = !b;
 553 }
 554
 555 function enable_resize(b) {
 556         resize_enabled = b;
 557 }
 558
 559 function mouse_down_handler(e) {
 560         try {
 561
 562                 /* do not prevent right click */
 563                 if (e && e.button && e.button == 2) return;
 564
 565                 if (resize_enabled) {
 566                         mouse_is_down = true;
 567                         mouse_x = 0;
 568                         mouse_y = 0;
 569                         document.onselectstart = function() { return false; };
 570                         return false;
 571                 }
 572
 573                 if (selection_disabled) {
 574                         document.onselectstart = function() { return false; };
 575                         return false;
 576                 }
 577
 578         } catch (e) {
 579                 exception_error("mouse_down_handler", e);
 580         }
 581 }
 582
 583 function mouse_up_handler(e) {
 584         try {
 585                 mouse_is_down = false;
 586
 587                 if (!selection_disabled) {
 588                         document.onselectstart = null;
 589                         var e = $("headlineActionsBody");
 590                         if (e) Element.hide(e);
 591
 592                         var e = $("offlineModeDrop");
 593                         if (e) Element.hide(e);
 594
 595                 }
 596
 597         } catch (e) {
 598                 exception_error("mouse_up_handler", e);
 599         }
 600 }
 601
 602 function request_counters_real() {
 603
 604         try {
 605
 606                 if (offline_mode) return;
 607
 608                 console.log("requesting counters...");
 609
 610                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 611
 612                 if (tagsAreDisplayed()) {
 613                         query = query + "&omode=tl";
 614                 } else {
 615                         query = query + "&omode=flc";
 616                 }
 617
 618                 new Ajax.Request("backend.php", {
 619                         parameters: query,
 620                         onComplete: function(transport) {
 621                                 try {
 622                                         handle_rpc_reply(transport);
 623                                 } catch (e) {
 624                                         exception_error("viewfeed/getcounters", e);
 625                                 }
 626                         } });
 627
 628         } catch (e) {
 629                 exception_error("request_counters_real", e);
 630         }
 631 }
 632
 633
 634 function request_counters() {
 635
 636         try {
 637
 638                 if (getInitParam("bw_limit") == "1") return;
 639
 640                 var date = new Date();
 641                 var timestamp = Math.round(date.getTime() / 1000);
 642
 643                 if (timestamp - counters_last_request > 5) {
 644                         console.log("scheduling request of counters...");
 645
 646                         window.clearTimeout(counter_timeout_id);
 647                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 648
 649                         counters_last_request = timestamp;
 650                 } else {
 651                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 652                 }
 653
 654         } catch (e) {
 655                 exception_error("request_counters", e);
 656         }
 657 }
 658
 659