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 = $("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                 console.log("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                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  62
  63                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  64                         undefined, parseInt(_feed_cur_page+1));
  65
  66         } catch (e) {
  67                 exception_error("viewNextFeedPage", e);
  68         }
  69 }
  70
  71
  72 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  73         try {
  74
  75                 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
  76                         skip_history, offset);
  77
  78 //              if (!offset) page_offset = 0;
  79
  80                 last_requested_article = 0;
  81                 //counters_last_request = 0;
  82
  83                 if (feed == getActiveFeedId()) {
  84                         cache_invalidate("F:" + feed);
  85                 }
  86
  87 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  88                         if (getInitParam("hide_feedlist") == 1) {
  89                                 Element.hide("feeds-holder");
  90                         }
  91                 } */
  92
  93                 var force_nocache = false;
  94
  95                 var page_offset = 0;
  96
  97                 if (offset > 0) {
  98                         page_offset = offset;
  99                 } else {
 100                         page_offset = 0;
 101                         _feed_cur_page = 0;
 102                         _infscroll_disable = 0;
 103                 }
 104
 105                 if (getActiveFeedId() != feed) {
 106                         _feed_cur_page = 0;
 107                         active_post_id = 0;
 108                         _infscroll_disable = 0;
 109                 }
 110
 111                 if (page_offset != 0 && !subop) {
 112                         var date = new Date();
 113                         var timestamp = Math.round(date.getTime() / 1000);
 114
 115                         console.log("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
 116
 117                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 118                                 console.log("infscroll request in progress, aborting");
 119                                 return;
 120                         }
 121
 122                         _infscroll_request_sent = timestamp;
 123                 }
 124
 125                 enableHotkeys();
 126                 hideAuxDlg();
 127                 closeInfoBox();
 128
 129                 Form.enable("main_toolbar_form");
 130
 131                 var toolbar_form = document.forms["main_toolbar_form"];
 132                 var toolbar_query = Form.serialize("main_toolbar_form");
 133
 134                 if (toolbar_form.query) {
 135                         if (toolbar_form.query.value != "") {
 136                                 force_nocache = true;
 137                         }
 138                         toolbar_form.query.value = "";
 139                 }
 140
 141                 var query = "?op=viewfeed&feed=" + feed + "&" +
 142                         toolbar_query + "&subop=" + param_escape(subop);
 143
 144                 if ($("search_form")) {
 145                         var search_query = Form.serialize("search_form");
 146                         query = query + "&" + search_query;
 147                         $("search_form").query.value = "";
 148                         closeInfoBox(true);
 149                         force_nocache = true;
 150                 }
 151
 152 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 153
 154                 if (subop == "MarkAllRead") {
 155
 156                         catchup_local_feed(feed, is_cat);
 157
 158                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 159
 160                         if (show_next_feed) {
 161
 162                                 if (!activeFeedIsCat()) {
 163
 164                                         var feedlist = $('feedList');
 165
 166                                         var next_unread_feed = getRelativeFeedId2(feed, false,
 167                                                         "next", true);
 168
 169                                         /* gRFI2 also returns categories which we don't really
 170                                          * need here, so we skip them */
 171
 172                                         while (next_unread_feed && next_unread_feed.match("CAT:"))
 173                                                 next_unread_feed = getRelativeFeedId2(
 174                                                                 next_unread_feed.replace("CAT:", ""),
 175                                                                 true, "next", true);
 176
 177                                         if (!next_unread_feed) {
 178                                                 next_unread_feed = getRelativeFeedId2(-3, true,
 179                                                         "next", true);
 180                                         }
 181
 182                                         if (next_unread_feed) {
 183                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 184                                                 //setActiveFeedId(next_unread_feed);
 185                                                 feed = next_unread_feed;
 186                                         }
 187                                 } else {
 188
 189                                         var next_unread_feed = getNextUnreadCat(feed);
 190
 191                                         /* we don't need to specify that our next feed is actually
 192                                         a category, because we're in the is_cat mode by definition
 193                                         already */
 194
 195                                         if (next_unread_feed && show_next_feed) {
 196                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 197                                                 feed = next_unread_feed;
 198                                         }
 199
 200                                 }
 201                         }
 202                 }
 203
 204                 if (is_cat) {
 205                         query = query + "&cat=1";
 206                 }
 207
 208                 if (page_offset != 0) {
 209                         query = query + "&skip=" + page_offset;
 210
 211                         // to prevent duplicate feed titles when showing grouped vfeeds
 212                         if (vgroup_last_feed) {
 213                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 214                         }
 215                 }
 216
 217                 Form.enable("main_toolbar_form");
 218
 219                 // for piggybacked counters
 220
 221                 if (tagsAreDisplayed()) {
 222                         query = query + "&omode=lt";
 223                 } else {
 224                         query = query + "&omode=flc";
 225                 }
 226
 227                 if (!async_counters_work) {
 228                         query = query + "&csync=true";
 229                 }
 230
 231                 console.log(query);
 232
 233                 var container = $("headlinesInnerContainer");
 234
 235 /*              if (container && page_offset == 0 && !isCdmMode()) {
 236                         new Effect.Fade(container, {duration: 1, to: 0.01,
 237                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 238                 } */
 239
 240                 var unread_ctr = -1;
 241
 242                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 243
 244                 var cache_check = false;
 245
 246                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 247
 248                         var cache_prefix = "";
 249
 250                         if (is_cat) {
 251                                 cache_prefix = "C:";
 252                         } else {
 253                                 cache_prefix = "F:";
 254                         }
 255
 256                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 257                         console.log("headline cache check: " + cache_check);
 258                 }
 259
 260                 if (cache_check) {
 261                         var f = $("headlines-frame");
 262
 263                         clean_feed_selections();
 264
 265                         setActiveFeedId(feed, is_cat);
 266
 267                         if (!is_cat) {
 268                                 var feedr = $("FEEDR-" + feed);
 269                                 if (feedr && !feedr.className.match("Selected")) {
 270                                         feedr.className = feedr.className + "Selected";
 271                                 }
 272                         } else {
 273                                 var feedr = $("FCAT-" + feed_id);
 274                                 if (feedr && !feedr.className.match("Selected")) {
 275                                         feedr.className = feedr.className + "Selected";
 276                                 }
 277                         }
 278
 279                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 280
 281                         request_counters();
 282                         remove_splash();
 283
 284                 } else {
 285
 286                         if (!page_offset) {
 287                                 var feedr;
 288
 289                                 if (is_cat) {
 290                                         feedr = $('FCAP-' + feed);
 291                                 } else {
 292                                         feedr = $('FEEDR-' + feed);
 293                                 }
 294
 295                                 if (feedr && !$('FLL-' + feed)) {
 296
 297                                         var img = $('FIMG-' + feed);
 298
 299                                         if (!is_cat && img) {
 300
 301                                                 if (!img.src.match("indicator_white")) {
 302                                                         img.alt = img.src;
 303                                                         img.src = getInitParam("sign_progress");
 304                                                 }
 305
 306                                         } else {
 307
 308                                                 if (!$('FLL-' + feed)) {
 309                                                         var ll = document.createElement('img');
 310
 311                                                         ll.src = getInitParam("sign_progress_tiny");
 312                                                         ll.className = 'hlLoading';
 313                                                         ll.id = 'FLL-' + feed;
 314
 315                                                         feedr.appendChild(ll);
 316                                                 }
 317                                         }
 318                                 }
 319                         }
 320
 321                         new Ajax.Request("backend.php", {
 322                                 parameters: query,
 323                                 onComplete: function(transport) {
 324                                         headlines_callback2(transport, page_offset);
 325                                 } });
 326                 }
 327
 328         } catch (e) {
 329                 exception_error("viewfeed", e);
 330         }
 331 }
 332
 333 function toggleCollapseCat_af(effect) {
 334         //var caption = elem.id.replace("FCATLIST-", "");
 335
 336         try {
 337
 338                 var elem = effect.element;
 339                 var cat = elem.id.replace("FCATLIST-", "");
 340                 var cap = $("FCAP-" + cat);
 341
 342                 if (Element.visible(elem)) {
 343                         cap.innerHTML = cap.innerHTML.replace("…", "");
 344                 } else {
 345                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 346                                 cap.innerHTML = cap.innerHTML + "…";
 347                         }
 348                 }
 349
 350         } catch (e) {
 351                 exception_error("toggleCollapseCat_af", e);
 352         }
 353 }
 354
 355 function toggleCollapseCat(cat) {
 356         try {
 357
 358                 var cat_elem = $("FCAT-" + cat);
 359                 var cat_list = $("FCATLIST-" + cat).parentNode;
 360                 var caption = $("FCAP-" + cat);
 361
 362                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 363                         afterFinish: toggleCollapseCat_af });
 364
 365                 new Ajax.Request("backend.php",
 366                         { parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 367                                 param_escape(cat) } );
 368
 369                 local_collapse_cat(cat);
 370
 371         } catch (e) {
 372                 exception_error("toggleCollapseCat", e);
 373         }
 374 }
 375
 376 function feedlist_dragsorted(ctr) {
 377         try {
 378                 var elem = $("feedList");
 379
 380                 var cats = elem.getElementsByTagName("LI");
 381                 var ordered_cats = new Array();
 382
 383                 for (var i = 0; i < cats.length; i++) {
 384                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 385                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 386                         }
 387                 }
 388
 389                 if (ordered_cats.length > 0) {
 390
 391                         var query = "?op=feeds&subop=catsort&corder=" +
 392                                 param_escape(ordered_cats.toString());
 393
 394                         console.log(query);
 395
 396                         new Ajax.Request("backend.php", { parameters: query });
 397                 }
 398
 399         } catch (e) {
 400                 exception_error("feedlist_dragsorted", e);
 401         }
 402 }
 403
 404 function feedlist_init() {
 405         try {
 406                 loading_set_progress(90);
 407
 408                 console.log("in feedlist init");
 409
 410                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 411                 document.onkeydown = hotkey_handler;
 412                 document.onmousemove = mouse_move_handler;
 413                 document.onmousedown = mouse_down_handler;
 414                 document.onmouseup = mouse_up_handler;
 415
 416                 if (!offline_mode) setTimeout("timeout()", 1);
 417
 418                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 419
 420                 if (typeof correctPNG != 'undefined') {
 421                         correctPNG();
 422                 }
 423
 424                 if (getActiveFeedId()) {
 425                         //console.log("some feed is open on feedlist refresh, reloading");
 426                         //setTimeout("viewCurrentFeed()", 100);
 427                 } else {
 428                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 429                                 notify_silent_next();
 430                                 setTimeout("viewfeed(-3)", 100);
 431                         } else {
 432                                 setTimeout("viewfeed(-5)", 100);
 433                                 remove_splash();
 434                         }
 435                 }
 436
 437                 if (getInitParam("theme") == "" ||
 438                                 getInitParam("theme_options").match("hide_footer")) {
 439                         setTimeout("hide_footer()", 5000);
 440                 }
 441
 442                 init_collapsable_feedlist(getInitParam("theme"));
 443
 444                 toggle_sortable_feedlist(isFeedlistSortable());
 445
 446         } catch (e) {
 447                 exception_error("feedlist/init", e);
 448         }
 449 }
 450
 451 function hide_footer_af(effect) {
 452         try {
 453                 var c = $("content-frame");
 454
 455                 if (c) {
 456                         c.style.bottom = "0px";
 457
 458                         var ioa = $("inline_orig_article");
 459
 460                         if (ioa) {
 461                                 ioa.height = c.offsetHeight;
 462                         }
 463
 464                 } else {
 465                         var h = $("headlines-frame");
 466
 467                         if (h) {
 468                                 h.style.bottom = "0px";
 469                         }
 470                 }
 471
 472         } catch (e) {
 473                 exception_error("hide_footer_af", e);
 474         }
 475 }
 476
 477 function hide_footer() {
 478         try {
 479                 if (Element.visible("footer")) {
 480                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 481                 }
 482         } catch (e) {
 483                 exception_error("hide_footer", e);
 484         }
 485 }
 486
 487 function init_collapsable_feedlist() {
 488         try {
 489                 console.log("init_collapsable_feedlist");
 490
 491                 var theme = getInitParam("theme");
 492                 var options = getInitParam("theme_options");
 493
 494                 if (theme != "" && !options.match("collapse_feedlist")) return;
 495
 496                 var fbtn = $("collapse_feeds_btn");
 497
 498                 if (fbtn) Element.show(fbtn);
 499
 500                 if (getInitParam("collapsed_feedlist") == 1) {
 501                         collapse_feedlist();
 502                 }
 503
 504         } catch (e) {
 505                 exception_error("init_hidden_feedlist", e);
 506         }
 507
 508 }
 509
 510 function mouse_move_handler(e) {
 511         try {
 512                 var client_y;
 513                 var client_x;
 514
 515                 if (window.event) {
 516                         client_y = window.event.clientY;
 517                         client_x = window.event.clientX;
 518                 } else if (e) {
 519                         client_x = e.screenX;
 520                         client_y = e.screenY;
 521                 }
 522
 523                 if (mouse_is_down) {
 524
 525                         if (mouse_y == 0) mouse_y = client_y;
 526                         if (mouse_x == 0) mouse_x = client_x;
 527
 528                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 529
 530                         mouse_y = client_y;
 531                         mouse_x = client_x;
 532
 533                         return false;
 534                 }
 535
 536         } catch (e) {
 537                 exception_error("mouse_move_handler", e);
 538         }
 539 }
 540
 541 function enable_selection(b) {
 542         selection_disabled = !b;
 543 }
 544
 545 function enable_resize(b) {
 546         resize_enabled = b;
 547 }
 548
 549 function mouse_down_handler(e) {
 550         try {
 551
 552                 /* do not prevent right click */
 553                 if (e && e.button && e.button == 2) return;
 554
 555                 if (resize_enabled) {
 556                         mouse_is_down = true;
 557                         mouse_x = 0;
 558                         mouse_y = 0;
 559                         document.onselectstart = function() { return false; };
 560                         return false;
 561                 }
 562
 563                 if (selection_disabled) {
 564                         document.onselectstart = function() { return false; };
 565                         return false;
 566                 }
 567
 568         } catch (e) {
 569                 exception_error("mouse_down_handler", e);
 570         }
 571 }
 572
 573 function mouse_up_handler(e) {
 574         try {
 575                 mouse_is_down = false;
 576
 577                 if (!selection_disabled) {
 578                         document.onselectstart = null;
 579                         var e = $("headlineActionsBody");
 580                         if (e) Element.hide(e);
 581
 582                         var e = $("offlineModeDrop");
 583                         if (e) Element.hide(e);
 584
 585                 }
 586
 587         } catch (e) {
 588                 exception_error("mouse_up_handler", e);
 589         }
 590 }
 591
 592 function request_counters_real() {
 593
 594         try {
 595
 596                 if (offline_mode) return;
 597
 598                 console.log("requesting counters...");
 599
 600                 var query = "?op=rpc&subop=getAllCounters";
 601
 602                 if (tagsAreDisplayed()) {
 603                         query = query + "&omode=tl";
 604                 } else {
 605                         query = query + "&omode=flc";
 606                 }
 607
 608                 new Ajax.Request("backend.php", {
 609                         parameters: query,
 610                         onComplete: function(transport) {
 611                                 try {
 612                                         all_counters_callback2(transport, true);
 613                                 } catch (e) {
 614                                         exception_error("viewfeed/getcounters", e);
 615                                 }
 616                         } });
 617
 618         } catch (e) {
 619                 exception_error("request_counters_real", e);
 620         }
 621 }
 622
 623
 624 function request_counters() {
 625
 626         try {
 627
 628                 if (getInitParam("bw_limit") == "1") return;
 629
 630                 var date = new Date();
 631                 var timestamp = Math.round(date.getTime() / 1000);
 632
 633 //              if (getInitParam("sync_counters") == "1" ||
 634 //                              timestamp - counters_last_request > 10) {
 635
 636                 if (timestamp - counters_last_request > 15) {
 637                         console.log("scheduling request of counters...");
 638                         window.setTimeout("request_counters_real()", 1000);
 639                         counters_last_request = timestamp;
 640                 } else {
 641                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 642                 }
 643
 644         } catch (e) {
 645                 exception_error("request_counters", e);
 646         }
 647 }
 648
 649