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 viewNextFeedPage() {
  48         try {
  49                 //if (!getActiveFeedId()) return;
  50
  51                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  52
  53                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  54                         undefined, parseInt(_feed_cur_page+1));
  55
  56         } catch (e) {
  57                 exception_error("viewNextFeedPage", e);
  58         }
  59 }
  60
  61
  62 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  63         try {
  64
  65                 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
  66                         skip_history, offset);
  67
  68 //              if (!offset) page_offset = 0;
  69
  70                 last_requested_article = 0;
  71                 //counters_last_request = 0;
  72
  73                 if (feed == getActiveFeedId()) {
  74                         cache_invalidate("F:" + feed);
  75                 }
  76
  77 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  78                         if (getInitParam("hide_feedlist") == 1) {
  79                                 Element.hide("feeds-holder");
  80                         }
  81                 } */
  82
  83                 var force_nocache = false;
  84
  85                 var page_offset = 0;
  86
  87                 if (offset > 0) {
  88                         page_offset = offset;
  89                 } else {
  90                         page_offset = 0;
  91                         _feed_cur_page = 0;
  92                         _infscroll_disable = 0;
  93                 }
  94
  95                 if (getActiveFeedId() != feed) {
  96                         _feed_cur_page = 0;
  97                         active_post_id = 0;
  98                         _infscroll_disable = 0;
  99                 }
 100
 101                 if (page_offset != 0 && !subop) {
 102                         var date = new Date();
 103                         var timestamp = Math.round(date.getTime() / 1000);
 104
 105                         console.log(_infscroll_request_sent + " : " + timestamp);
 106
 107                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 108                                 console.log("infscroll request in progress, aborting");
 109                                 return;
 110                         }
 111
 112                         _infscroll_request_sent = timestamp;
 113                 }
 114
 115                 enableHotkeys();
 116                 hideAuxDlg();
 117                 closeInfoBox();
 118
 119                 Form.enable("main_toolbar_form");
 120
 121                 var toolbar_form = document.forms["main_toolbar_form"];
 122                 var toolbar_query = Form.serialize("main_toolbar_form");
 123
 124                 if (toolbar_form.query) {
 125                         if (toolbar_form.query.value != "") {
 126                                 force_nocache = true;
 127                         }
 128                         toolbar_form.query.value = "";
 129                 }
 130
 131                 var query = "?op=viewfeed&feed=" + feed + "&" +
 132                         toolbar_query + "&subop=" + param_escape(subop);
 133
 134                 if ($("search_form")) {
 135                         var search_query = Form.serialize("search_form");
 136                         query = query + "&" + search_query;
 137                         $("search_form").query.value = "";
 138                         closeInfoBox(true);
 139                         force_nocache = true;
 140                 }
 141
 142 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 143
 144                 if (subop == "MarkAllRead") {
 145
 146                         catchup_local_feed(feed, is_cat);
 147
 148                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 149
 150                         if (show_next_feed) {
 151
 152                                 if (!activeFeedIsCat()) {
 153
 154                                         var feedlist = $('feedList');
 155
 156                                         var next_unread_feed = getRelativeFeedId2(feed, false,
 157                                                         "next", true);
 158
 159                                         /* gRFI2 also returns categories which we don't really
 160                                          * need here, so we skip them */
 161
 162                                         while (next_unread_feed && next_unread_feed.match("CAT:"))
 163                                                 next_unread_feed = getRelativeFeedId2(
 164                                                                 next_unread_feed.replace("CAT:", ""),
 165                                                                 true, "next", true);
 166
 167                                         if (!next_unread_feed) {
 168                                                 next_unread_feed = getRelativeFeedId2(-3, true,
 169                                                         "next", true);
 170                                         }
 171
 172                                         if (next_unread_feed) {
 173                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 174                                                 //setActiveFeedId(next_unread_feed);
 175                                                 feed = next_unread_feed;
 176                                         }
 177                                 } else {
 178
 179                                         var next_unread_feed = getNextUnreadCat(feed);
 180
 181                                         /* we don't need to specify that our next feed is actually
 182                                         a category, because we're in the is_cat mode by definition
 183                                         already */
 184
 185                                         if (next_unread_feed && show_next_feed) {
 186                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 187                                                 feed = next_unread_feed;
 188                                         }
 189
 190                                 }
 191                         }
 192                 }
 193
 194                 if (is_cat) {
 195                         query = query + "&cat=1";
 196                 }
 197
 198                 if (page_offset != 0) {
 199                         query = query + "&skip=" + page_offset;
 200
 201                         // to prevent duplicate feed titles when showing grouped vfeeds
 202                         if (vgroup_last_feed) {
 203                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 204                         }
 205                 }
 206
 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                 console.log(query);
 222
 223                 var container = $("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                         console.log("headline cache check: " + cache_check);
 248                 }
 249
 250                 if (cache_check) {
 251                         var f = $("headlines-frame");
 252
 253                         clean_feed_selections();
 254
 255                         setActiveFeedId(feed, is_cat);
 256
 257                         if (!is_cat) {
 258                                 var feedr = $("FEEDR-" + feed);
 259                                 if (feedr && !feedr.className.match("Selected")) {
 260                                         feedr.className = feedr.className + "Selected";
 261                                 }
 262                         } else {
 263                                 var feedr = $("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                                 var feedr;
 278
 279                                 if (is_cat) {
 280                                         feedr = $('FCAP-' + feed);
 281                                 } else {
 282                                         feedr = $('FEEDR-' + feed);
 283                                 }
 284
 285                                 if (feedr && !$('FLL-' + feed)) {
 286
 287                                         var img = $('FIMG-' + feed);
 288
 289                                         if (!is_cat && img) {
 290
 291                                                 if (!img.src.match("indicator_white")) {
 292                                                         img.alt = img.src;
 293                                                         img.src = getInitParam("sign_progress");
 294                                                 }
 295
 296                                         } else {
 297
 298                                                 if (!$('FLL-' + feed)) {
 299                                                         var ll = document.createElement('img');
 300
 301                                                         ll.src = getInitParam("sign_progress_tiny");
 302                                                         ll.className = 'hlLoading';
 303                                                         ll.id = 'FLL-' + feed;
 304
 305                                                         feedr.appendChild(ll);
 306                                                 }
 307                                         }
 308                                 }
 309                         }
 310
 311                         new Ajax.Request("backend.php", {
 312                                 parameters: query,
 313                                 onComplete: function(transport) {
 314                                         headlines_callback2(transport, page_offset);
 315                                 } });
 316                 }
 317
 318         } catch (e) {
 319                 exception_error("viewfeed", e);
 320         }
 321 }
 322
 323 function toggleCollapseCat_af(effect) {
 324         //var caption = elem.id.replace("FCATLIST-", "");
 325
 326         try {
 327
 328                 var elem = effect.element;
 329                 var cat = elem.id.replace("FCATLIST-", "");
 330                 var cap = $("FCAP-" + cat);
 331
 332                 if (Element.visible(elem)) {
 333                         cap.innerHTML = cap.innerHTML.replace("…", "");
 334                 } else {
 335                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 336                                 cap.innerHTML = cap.innerHTML + "…";
 337                         }
 338                 }
 339
 340         } catch (e) {
 341                 exception_error("toggleCollapseCat_af", e);
 342         }
 343 }
 344
 345 function toggleCollapseCat(cat) {
 346         try {
 347
 348                 var cat_elem = $("FCAT-" + cat);
 349                 var cat_list = $("FCATLIST-" + cat).parentNode;
 350                 var caption = $("FCAP-" + cat);
 351
 352                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 353                         afterFinish: toggleCollapseCat_af });
 354
 355                 new Ajax.Request("backend.php",
 356                         { parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 357                                 param_escape(cat) } );
 358
 359                 local_collapse_cat(cat);
 360
 361         } catch (e) {
 362                 exception_error("toggleCollapseCat", e);
 363         }
 364 }
 365
 366 function feedlist_dragsorted(ctr) {
 367         try {
 368                 var elem = $("feedList");
 369
 370                 var cats = elem.getElementsByTagName("LI");
 371                 var ordered_cats = new Array();
 372
 373                 for (var i = 0; i < cats.length; i++) {
 374                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 375                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 376                         }
 377                 }
 378
 379                 if (ordered_cats.length > 0) {
 380
 381                         var query = "?op=feeds&subop=catsort&corder=" +
 382                                 param_escape(ordered_cats.toString());
 383
 384                         console.log(query);
 385
 386                         new Ajax.Request("backend.php", { parameters: query });
 387                 }
 388
 389         } catch (e) {
 390                 exception_error("feedlist_dragsorted", e);
 391         }
 392 }
 393
 394 function feedlist_init() {
 395         try {
 396                 loading_set_progress(90);
 397
 398                 console.log("in feedlist init");
 399
 400                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 401                 document.onkeydown = hotkey_handler;
 402                 document.onmousemove = mouse_move_handler;
 403                 document.onmousedown = mouse_down_handler;
 404                 document.onmouseup = mouse_up_handler;
 405
 406                 if (!offline_mode) setTimeout("timeout()", 1);
 407
 408                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 409
 410                 if (typeof correctPNG != 'undefined') {
 411                         correctPNG();
 412                 }
 413
 414                 if (getActiveFeedId()) {
 415                         //console.log("some feed is open on feedlist refresh, reloading");
 416                         //setTimeout("viewCurrentFeed()", 100);
 417                 } else {
 418                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 419                                 notify_silent_next();
 420                                 setTimeout("viewfeed(-3)", 100);
 421                         } else {
 422                                 setTimeout("viewfeed(-5)", 100);
 423                                 remove_splash();
 424                         }
 425                 }
 426
 427                 if (getInitParam("theme") == "" ||
 428                                 getInitParam("theme_options").match("hide_footer")) {
 429                         setTimeout("hide_footer()", 5000);
 430                 }
 431
 432                 init_collapsable_feedlist(getInitParam("theme"));
 433
 434                 toggle_sortable_feedlist(isFeedlistSortable());
 435
 436         } catch (e) {
 437                 exception_error("feedlist/init", e);
 438         }
 439 }
 440
 441 function hide_footer_af(effect) {
 442         try {
 443                 var c = $("content-frame");
 444
 445                 if (c) {
 446                         c.style.bottom = "0px";
 447
 448                         var ioa = $("inline_orig_article");
 449
 450                         if (ioa) {
 451                                 ioa.height = c.offsetHeight;
 452                         }
 453
 454                 } else {
 455                         var h = $("headlines-frame");
 456
 457                         if (h) {
 458                                 h.style.bottom = "0px";
 459                         }
 460                 }
 461
 462         } catch (e) {
 463                 exception_error("hide_footer_af", e);
 464         }
 465 }
 466
 467 function hide_footer() {
 468         try {
 469                 if (Element.visible("footer")) {
 470                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 471                 }
 472         } catch (e) {
 473                 exception_error("hide_footer", e);
 474         }
 475 }
 476
 477 function init_collapsable_feedlist() {
 478         try {
 479                 console.log("init_collapsable_feedlist");
 480
 481                 var theme = getInitParam("theme");
 482                 var options = getInitParam("theme_options");
 483
 484                 if (theme != "" && !options.match("collapse_feedlist")) return;
 485
 486                 var fbtn = $("collapse_feeds_btn");
 487
 488                 if (fbtn) Element.show(fbtn);
 489
 490                 if (getInitParam("collapsed_feedlist") == 1) {
 491                         collapse_feedlist();
 492                 }
 493
 494         } catch (e) {
 495                 exception_error("init_hidden_feedlist", e);
 496         }
 497
 498 }
 499
 500 function mouse_move_handler(e) {
 501         try {
 502                 var client_y;
 503                 var client_x;
 504
 505                 if (window.event) {
 506                         client_y = window.event.clientY;
 507                         client_x = window.event.clientX;
 508                 } else if (e) {
 509                         client_x = e.screenX;
 510                         client_y = e.screenY;
 511                 }
 512
 513                 if (mouse_is_down) {
 514
 515                         if (mouse_y == 0) mouse_y = client_y;
 516                         if (mouse_x == 0) mouse_x = client_x;
 517
 518                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 519
 520                         mouse_y = client_y;
 521                         mouse_x = client_x;
 522
 523                         return false;
 524                 }
 525
 526         } catch (e) {
 527                 exception_error("mouse_move_handler", e);
 528         }
 529 }
 530
 531 function enable_selection(b) {
 532         selection_disabled = !b;
 533 }
 534
 535 function enable_resize(b) {
 536         resize_enabled = b;
 537 }
 538
 539 function mouse_down_handler(e) {
 540         try {
 541
 542                 /* do not prevent right click */
 543                 if (e && e.button && e.button == 2) return;
 544
 545                 if (resize_enabled) {
 546                         mouse_is_down = true;
 547                         mouse_x = 0;
 548                         mouse_y = 0;
 549                         document.onselectstart = function() { return false; };
 550                         return false;
 551                 }
 552
 553                 if (selection_disabled) {
 554                         document.onselectstart = function() { return false; };
 555                         return false;
 556                 }
 557
 558         } catch (e) {
 559                 exception_error("mouse_down_handler", e);
 560         }
 561 }
 562
 563 function mouse_up_handler(e) {
 564         try {
 565                 mouse_is_down = false;
 566
 567                 if (!selection_disabled) {
 568                         document.onselectstart = null;
 569                         var e = $("headlineActionsBody");
 570                         if (e) Element.hide(e);
 571
 572                         var e = $("offlineModeDrop");
 573                         if (e) Element.hide(e);
 574
 575                 }
 576
 577         } catch (e) {
 578                 exception_error("mouse_up_handler", e);
 579         }
 580 }
 581
 582 function request_counters_real() {
 583
 584         try {
 585
 586                 if (offline_mode) return;
 587
 588                 console.log("requesting counters...");
 589
 590                 var query = "?op=rpc&subop=getAllCounters";
 591
 592                 if (tagsAreDisplayed()) {
 593                         query = query + "&omode=tl";
 594                 } else {
 595                         query = query + "&omode=flc";
 596                 }
 597
 598                 new Ajax.Request("backend.php", {
 599                         parameters: query,
 600                         onComplete: function(transport) {
 601                                 try {
 602                                         all_counters_callback2(transport, true);
 603                                 } catch (e) {
 604                                         exception_error("viewfeed/getcounters", e);
 605                                 }
 606                         } });
 607
 608         } catch (e) {
 609                 exception_error("request_counters_real", e);
 610         }
 611 }
 612
 613
 614 function request_counters() {
 615
 616         try {
 617
 618                 if (getInitParam("bw_limit") == "1") return;
 619
 620                 var date = new Date();
 621                 var timestamp = Math.round(date.getTime() / 1000);
 622
 623                 if (timestamp - counters_last_request > 15) {
 624                         console.log("scheduling request of counters...");
 625                         window.setTimeout("request_counters_real()", 1000);
 626                         counters_last_request = timestamp;
 627                 } else {
 628                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 629                 }
 630
 631         } catch (e) {
 632                 exception_error("request_counters", e);
 633         }
 634 }
 635
 636