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 counters_last_request = 0;
  12
  13 function toggle_sortable_feedlist(enabled) {
  14         try {
  15
  16                 if (enabled) {
  17                         Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
  18                 } else {
  19                         Sortable.destroy('feedList');
  20                 }
  21
  22         } catch (e) {
  23                 exception_error("toggle_sortable_feedlist", e);
  24         }
  25 }
  26
  27 function viewCategory(cat) {
  28         viewfeed(cat, '', true);
  29         return false;
  30 }
  31
  32 function feedlist_callback2(transport) {
  33         try {
  34                 debug("feedlist_callback2");
  35                 var f = document.getElementById("feeds-frame");
  36                 f.innerHTML = transport.responseText;
  37                 feedlist_init();
  38         } catch (e) {
  39                 exception_error("feedlist_callback2", e);
  40         }
  41 }
  42
  43 function viewNextFeedPage() {
  44         try {
  45                 //if (!getActiveFeedId()) return;
  46
  47                 debug("viewNextFeedPage: calling viewfeed(), p: " + _feed_cur_page+1);
  48
  49                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  50                         undefined, _feed_cur_page+1);
  51
  52         } catch (e) {
  53                 exception_error("viewNextFeedPage", e);
  54         }
  55 }
  56
  57 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  58         try {
  59
  60 //              if (!offset) page_offset = 0;
  61
  62                 last_requested_article = 0;
  63                 //counters_last_request = 0;
  64
  65                 if (feed == getActiveFeedId()) {
  66                         cache_invalidate("F:" + feed);
  67                 }
  68
  69 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  70                         if (getInitParam("hide_feedlist") == 1) {
  71                                 Element.hide("feeds-holder");
  72                         }
  73                 } */
  74
  75                 var force_nocache = false;
  76
  77                 var page_offset = 0;
  78
  79                 if (offset > 0) {
  80                         page_offset = offset;
  81                 } else {
  82                         page_offset = 0;
  83                         _feed_cur_page = 0;
  84                         _infscroll_disable = 0;
  85                 }
  86
  87                 if (getActiveFeedId() != feed) {
  88                         _feed_cur_page = 0;
  89                         active_post_id = 0;
  90                         _infscroll_disable = 0;
  91                 }
  92
  93                 if (page_offset != 0 && !subop) {
  94                         var date = new Date();
  95                         var timestamp = Math.round(date.getTime() / 1000);
  96
  97                         debug("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
  98
  99                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 100                                 debug("infscroll request in progress, aborting");
 101                                 return;
 102                         }
 103
 104                         _infscroll_request_sent = timestamp;
 105                 }
 106
 107                 enableHotkeys();
 108
 109                 closeInfoBox();
 110
 111                 Form.enable("main_toolbar_form");
 112
 113                 var toolbar_form = document.forms["main_toolbar_form"];
 114                 var toolbar_query = Form.serialize("main_toolbar_form");
 115
 116                 if (toolbar_form.query) {
 117                         if (toolbar_form.query.value != "") {
 118                                 force_nocache = true;
 119                         }
 120                         toolbar_form.query.value = "";
 121                 }
 122
 123                 var query = "backend.php?op=viewfeed&feed=" + feed + "&" +
 124                         toolbar_query + "&subop=" + param_escape(subop);
 125
 126                 if (document.getElementById("search_form")) {
 127                         var search_query = Form.serialize("search_form");
 128                         query = query + "&" + search_query;
 129                         closeInfoBox(true);
 130                         force_nocache = true;
 131                 }
 132
 133 //              debug("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 134
 135                 if (subop == "MarkAllRead") {
 136
 137                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 138
 139                         if (show_next_feed) {
 140
 141                                 if (!activeFeedIsCat()) {
 142
 143                                         var feedlist = document.getElementById('feedList');
 144
 145                                         var next_unread_feed = getRelativeFeedId(feedlist,
 146                                                         feed, "next", true);
 147
 148                                         if (!next_unread_feed) {
 149                                                 next_unread_feed = getRelativeFeedId(feedlist,
 150                                                         -3, "next", true);
 151                                         }
 152
 153                                         if (next_unread_feed) {
 154                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 155                                                 //setActiveFeedId(next_unread_feed);
 156                                                 feed = next_unread_feed;
 157                                         }
 158                                 } else {
 159
 160                                         var next_unread_feed = getNextUnreadCat(feed);
 161
 162                                         /* we don't need to specify that our next feed is actually
 163                                         a category, because we're in the is_cat mode by definition
 164                                         already */
 165
 166                                         if (next_unread_feed && show_next_feed) {
 167                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 168                                                 feed = next_unread_feed;
 169                                         }
 170
 171                                 }
 172                         }
 173                 }
 174
 175                 if (is_cat) {
 176                         query = query + "&cat=1";
 177                 }
 178
 179                 if (page_offset != 0) {
 180                         query = query + "&skip=" + page_offset;
 181
 182                         // to prevent duplicate feed titles when showing grouped vfeeds
 183                         if (vgroup_last_feed) {
 184                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 185                         }
 186                 }
 187
 188                 var date = new Date();
 189                 var timestamp = Math.round(date.getTime() / 1000);
 190                 query = query + "&ts=" + timestamp
 191
 192                 disableContainerChildren("headlinesToolbar", false);
 193                 Form.enable("main_toolbar_form");
 194
 195                 // for piggybacked counters
 196
 197                 if (tagsAreDisplayed()) {
 198                         query = query + "&omode=lt";
 199                 } else {
 200                         query = query + "&omode=flc";
 201                 }
 202
 203                 if (!async_counters_work) {
 204                         query = query + "&csync=true";
 205                 }
 206
 207                 debug(query);
 208
 209                 var container = document.getElementById("headlinesInnerContainer");
 210
 211 /*              if (container && page_offset == 0 && !isCdmMode()) {
 212                         new Effect.Fade(container, {duration: 1, to: 0.01,
 213                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 214                 } */
 215
 216                 var unread_ctr = -1;
 217
 218                 if (!is_cat) unread_ctr = get_feed_unread(feed);
 219
 220                 var cache_check = false;
 221
 222                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 223
 224                         var cache_prefix = "";
 225
 226                         if (is_cat) {
 227                                 cache_prefix = "C:";
 228                         } else {
 229                                 cache_prefix = "F:";
 230                         }
 231
 232                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 233                         debug("headline cache check: " + cache_check);
 234                 }
 235
 236                 if (cache_check) {
 237                         var f = document.getElementById("headlines-frame");
 238
 239                         clean_feed_selections();
 240
 241                         setActiveFeedId(feed, is_cat);
 242
 243                         if (!is_cat) {
 244                                 var feedr = document.getElementById("FEEDR-" + feed);
 245                                 if (feedr && !feedr.className.match("Selected")) {
 246                                         feedr.className = feedr.className + "Selected";
 247                                 }
 248                         } else {
 249                                 var feedr = document.getElementById("FCAT-" + feed_id);
 250                                 if (feedr && !feedr.className.match("Selected")) {
 251                                         feedr.className = feedr.className + "Selected";
 252                                 }
 253                         }
 254
 255                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 256
 257                         request_counters();
 258
 259                 } else {
 260
 261                         if (!page_offset) {
 262                                 notify_progress("Loading, please wait...", true);
 263                         }
 264
 265                         new Ajax.Request(query, {
 266                                 onComplete: function(transport) {
 267                                         headlines_callback2(transport, page_offset);
 268                                 } });
 269                 }
 270
 271         } catch (e) {
 272                 exception_error("viewfeed", e);
 273         }
 274 }
 275
 276 function toggleCollapseCat_af(effect) {
 277         //var caption = elem.id.replace("FCATLIST-", "");
 278
 279         try {
 280
 281                 var elem = effect.element;
 282                 var cat = elem.id.replace("FCATLIST-", "");
 283                 var cap = document.getElementById("FCAP-" + cat);
 284
 285                 if (Element.visible(elem)) {
 286                         cap.innerHTML = cap.innerHTML.replace("…", "");
 287                 } else {
 288                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 289                                 cap.innerHTML = cap.innerHTML + "…";
 290                         }
 291                 }
 292
 293         } catch (e) {
 294                 exception_error("toggleCollapseCat_af", e);
 295         }
 296 }
 297
 298 function toggleCollapseCat(cat) {
 299         try {
 300
 301                 var cat_elem = document.getElementById("FCAT-" + cat);
 302                 var cat_list = document.getElementById("FCATLIST-" + cat).parentNode;
 303                 var caption = document.getElementById("FCAP-" + cat);
 304
 305 /*              if (cat_list.className.match("invisible")) {
 306                         cat_list.className = "";
 307                         caption.innerHTML = caption.innerHTML.replace("...", "");
 308                         if (cat == 0) {
 309                                 setCookie("ttrss_vf_uclps", "0");
 310                         }
 311                 } else {
 312                         cat_list.className = "invisible";
 313                         caption.innerHTML = caption.innerHTML + "...";
 314                         if (cat == 0) {
 315                                 setCookie("ttrss_vf_uclps", "1");
 316                         }
 317
 318                 } */
 319
 320                 if (cat == 0) {
 321                         if (Element.visible("FCATLIST-" + cat)) {
 322                                 setCookie("ttrss_vf_uclps", "1");
 323                         } else {
 324                                 setCookie("ttrss_vf_uclps", "0");
 325                         }
 326                 }
 327
 328                 if (cat == -2) {
 329                         if (Element.visible("FCATLIST-" + cat)) {
 330                                 setCookie("ttrss_vf_lclps", "1");
 331                         } else {
 332                                 setCookie("ttrss_vf_lclps", "0");
 333                         }
 334                 }
 335
 336                 if (cat == -1) {
 337                         if (Element.visible("FCATLIST-" + cat)) {
 338                                 setCookie("ttrss_vf_vclps", "1");
 339                         } else {
 340                                 setCookie("ttrss_vf_vclps", "0");
 341                         }
 342                 }
 343
 344                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 345                         afterFinish: toggleCollapseCat_af });
 346
 347                 new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
 348                         param_escape(cat));
 349
 350         } catch (e) {
 351                 exception_error("toggleCollapseCat", e);
 352         }
 353 }
 354
 355 function feedlist_dragsorted(ctr) {
 356         try {
 357                 var elem = document.getElementById("feedList");
 358
 359                 var cats = elem.getElementsByTagName("LI");
 360                 var ordered_cats = new Array();
 361
 362                 for (var i = 0; i < cats.length; i++) {
 363                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 364                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 365                         }
 366                 }
 367
 368                 if (ordered_cats.length > 0) {
 369
 370                         var query = "backend.php?op=feeds&subop=catsort&corder=" +
 371                                 param_escape(ordered_cats.toString());
 372
 373                         debug(query);
 374
 375                         new Ajax.Request(query);
 376                 }
 377
 378         } catch (e) {
 379                 exception_error("feedlist_dragsorted", e);
 380         }
 381 }
 382
 383 function feedlist_init() {
 384         try {
 385 //              if (arguments.callee.done) return;
 386 //              arguments.callee.done = true;
 387
 388                 loading_set_progress(90);
 389
 390                 debug("in feedlist init");
 391
 392                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 393                 document.onkeydown = hotkey_handler;
 394                 document.onmousemove = mouse_move_handler;
 395                 document.onmousedown = mouse_down_handler;
 396                 document.onmouseup = mouse_up_handler;
 397
 398                 setTimeout("timeout()", 1);
 399
 400                 if (typeof correctPNG != 'undefined') {
 401                         correctPNG();
 402                 }
 403
 404                 if (getActiveFeedId()) {
 405                         //debug("some feed is open on feedlist refresh, reloading");
 406                         //setTimeout("viewCurrentFeed()", 100);
 407                 } else {
 408                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 409                                 notify_silent_next();
 410                                 setTimeout("viewfeed(-3)", 100);
 411                         } else {
 412                                 remove_splash();
 413                         }
 414                 }
 415
 416                 if (getInitParam("theme") == "") {
 417                         setTimeout("hide_footer()", 5000);
 418                 }
 419
 420                 init_collapsable_feedlist(getInitParam("theme"));
 421
 422                 toggle_sortable_feedlist(isFeedlistSortable());
 423
 424         } catch (e) {
 425                 exception_error("feedlist/init", e);
 426         }
 427 }
 428
 429 function hide_footer_af(effect) {
 430         try {
 431                 var c = document.getElementById("content-frame");
 432
 433                 if (c) {
 434                         c.style.bottom = "0px";
 435
 436                         var ioa = document.getElementById("inline_orig_article");
 437
 438                         if (ioa) {
 439                                 ioa.height = c.offsetHeight;
 440                         }
 441
 442                 } else {
 443                         var h = document.getElementById("headlines-frame");
 444
 445                         if (h) {
 446                                 h.style.bottom = "0px";
 447                         }
 448                 }
 449
 450         } catch (e) {
 451                 exception_error("hide_footer_af", e);
 452         }
 453 }
 454
 455 function hide_footer() {
 456         try {
 457                 if (Element.visible("footer")) {
 458                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 459                 }
 460         } catch (e) {
 461                 exception_error("hide_footer", e);
 462         }
 463 }
 464
 465 /*
 466 function init_hidden_feedlist(theme) {
 467         try {
 468                 debug("init_hidden_feedlist");
 469
 470                 if (theme != "" && theme != "compact") return;
 471
 472                 var fl = document.getElementById("feeds-holder");
 473                 var fh = document.getElementById("headlines-frame");
 474                 var fc = document.getElementById("content-frame");
 475                 var ft = document.getElementById("toolbar");
 476                 var ff = document.getElementById("footer");
 477                 var fhdr = document.getElementById("header");
 478
 479                 var fbtn = document.getElementById("toggle_feeds_btn");
 480
 481                 if (fbtn) Element.show(fbtn);
 482
 483                 fl.style.top = fh.offsetTop + "px";
 484                 fl.style.backgroundColor = "white"; //FIXME
 485
 486                 Element.hide(fl);
 487
 488                 fh.style.left = "0px";
 489                 ft.style.left = "0px";
 490                 if (fc) fc.style.left = "0px";
 491                 if (ff) ff.style.left = "0px";
 492
 493                 if (theme == "compact") {
 494                         fhdr.style.left = "10px";
 495                         fl.style.top = (fh.offsetTop + 1) + "px";
 496                 }
 497
 498         } catch (e) {
 499                 exception_error("init_hidden_feedlist", e);
 500         }
 501 } */
 502
 503 function init_collapsable_feedlist(theme) {
 504         try {
 505                 debug("init_collapsable_feedlist");
 506
 507                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 508                                 theme != "compat") return;
 509
 510                 var fbtn = document.getElementById("collapse_feeds_btn");
 511
 512                 if (fbtn) Element.show(fbtn);
 513
 514                 if (getCookie("ttrss_vf_fclps") == 1) {
 515                         collapse_feedlist();
 516                 }
 517
 518         } catch (e) {
 519                 exception_error("init_hidden_feedlist", e);
 520         }
 521
 522 }
 523
 524 function mouse_move_handler(e) {
 525         try {
 526                 var client_y;
 527                 var client_x;
 528
 529                 if (window.event) {
 530                         client_y = window.event.clientY;
 531                         client_x = window.event.clientX;
 532                 } else if (e) {
 533                         client_x = e.screenX;
 534                         client_y = e.screenY;
 535                 }
 536
 537                 if (mouse_is_down) {
 538
 539                         if (mouse_y == 0) mouse_y = client_y;
 540                         if (mouse_x == 0) mouse_x = client_x;
 541
 542                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 543
 544                         mouse_y = client_y;
 545                         mouse_x = client_x;
 546
 547                         return false;
 548                 }
 549
 550         } catch (e) {
 551                 exception_error("mouse_move_handler", e);
 552         }
 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.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         } catch (e) {
 573                 exception_error("mouse_move_handler", e);
 574         }
 575 }
 576
 577 function mouse_up_handler(e) {
 578         try {
 579                 mouse_is_down = false;
 580                 document.onselectstart = null;
 581         } catch (e) {
 582                 exception_error("mouse_move_handler", e);
 583         }
 584 }
 585
 586 function request_counters_real() {
 587
 588         try {
 589
 590                 debug("requesting counters...");
 591
 592                 var query = "backend.php?op=rpc&subop=getAllCounters";
 593
 594                 if (tagsAreDisplayed()) {
 595                         query = query + "&omode=tl";
 596                 } else {
 597                         query = query + "&omode=flc";
 598                 }
 599
 600                 new Ajax.Request(query, {
 601                         onComplete: function(transport) {
 602                                 try {
 603                                         all_counters_callback2(transport, true);
 604                                 } catch (e) {
 605                                         exception_error("viewfeed/getcounters", e);
 606                                 }
 607                         } });
 608
 609         } catch (e) {
 610                 exception_error("request_counters_real", e);
 611         }
 612 }
 613
 614
 615 function request_counters() {
 616
 617         try {
 618
 619                 if (getInitParam("bw_limit") == "1") return;
 620
 621                 var date = new Date();
 622                 var timestamp = Math.round(date.getTime() / 1000);
 623
 624 //              if (getInitParam("sync_counters") == "1" ||
 625 //                              timestamp - counters_last_request > 10) {
 626
 627                 if (timestamp - counters_last_request > 15) {
 628                         debug("scheduling request of counters...");
 629                         window.setTimeout("request_counters_real()", 1000);
 630                         counters_last_request = timestamp;
 631                 } else {
 632                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 633                 }
 634
 635         } catch (e) {
 636                 exception_error("request_counters", e);
 637         }
 638 }