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         active_feed_is_cat = true;
  29         viewfeed(cat, '', true);
  30         return false;
  31 }
  32
  33 function feedlist_callback2(transport) {
  34         try {
  35                 debug("feedlist_callback2");
  36                 var f = document.getElementById("feeds-frame");
  37                 f.innerHTML = transport.responseText;
  38                 feedlist_init();
  39         } catch (e) {
  40                 exception_error("feedlist_callback2", e);
  41         }
  42 }
  43
  44 function viewNextFeedPage() {
  45         try {
  46                 //if (!getActiveFeedId()) return;
  47
  48                 debug("viewNextFeedPage: calling viewfeed(), p: " + _feed_cur_page+1);
  49
  50                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  51                         undefined, _feed_cur_page+1);
  52
  53         } catch (e) {
  54                 exception_error("viewNextFeedPage", e);
  55         }
  56 }
  57
  58 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  59         try {
  60
  61 //              if (!offset) page_offset = 0;
  62
  63                 last_requested_article = 0;
  64                 counters_last_request = 0;
  65
  66                 if (feed == getActiveFeedId()) {
  67                         cache_invalidate("F:" + feed);
  68                 }
  69
  70 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  71                         if (getInitParam("hide_feedlist") == 1) {
  72                                 Element.hide("feeds-holder");
  73                         }
  74                 } */
  75
  76                 var force_nocache = false;
  77
  78                 var page_offset = 0;
  79
  80                 if (offset > 0) {
  81                         page_offset = offset;
  82                 } else {
  83                         page_offset = 0;
  84                         _feed_cur_page = 0;
  85                         _infscroll_disable = 0;
  86                 }
  87
  88                 if (getActiveFeedId() != feed) {
  89                         _feed_cur_page = 0;
  90                         active_post_id = 0;
  91                         _infscroll_disable = 0;
  92                 }
  93
  94                 if (page_offset != 0 && !subop) {
  95                         var date = new Date();
  96                         var timestamp = Math.round(date.getTime() / 1000);
  97
  98                         debug("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
  99
 100                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 101                                 debug("infscroll request in progress, aborting");
 102                                 return;
 103                         }
 104
 105                         _infscroll_request_sent = timestamp;
 106                 }
 107
 108                 enableHotkeys();
 109
 110                 closeInfoBox();
 111
 112                 Form.enable("main_toolbar_form");
 113
 114                 var toolbar_form = document.forms["main_toolbar_form"];
 115                 var toolbar_query = Form.serialize("main_toolbar_form");
 116
 117                 if (toolbar_form.query) {
 118                         if (toolbar_form.query.value != "") {
 119                                 force_nocache = true;
 120                         }
 121                         toolbar_form.query.value = "";
 122                 }
 123
 124                 var query = "backend.php?op=viewfeed&feed=" + feed + "&" +
 125                         toolbar_query + "&subop=" + param_escape(subop);
 126
 127                 if (document.getElementById("search_form")) {
 128                         var search_query = Form.serialize("search_form");
 129                         query = query + "&" + search_query;
 130                         closeInfoBox(true);
 131                         force_nocache = true;
 132                 }
 133
 134 //              debug("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 135
 136                 if (subop == "MarkAllRead") {
 137
 138                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 139
 140                         if (show_next_feed) {
 141
 142                                 if (!activeFeedIsCat()) {
 143
 144                                         var feedlist = document.getElementById('feedList');
 145
 146                                         var next_unread_feed = getRelativeFeedId(feedlist,
 147                                                         feed, "next", true);
 148
 149                                         if (!next_unread_feed) {
 150                                                 next_unread_feed = getRelativeFeedId(feedlist,
 151                                                         -3, "next", true);
 152                                         }
 153
 154                                         if (next_unread_feed) {
 155                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 156                                                 //setActiveFeedId(next_unread_feed);
 157                                                 feed = next_unread_feed;
 158                                         }
 159                                 } else {
 160
 161                                         var next_unread_feed = getNextUnreadCat(feed);
 162
 163                                         /* we don't need to specify that our next feed is actually
 164                                         a category, because we're in the is_cat mode by definition
 165                                         already */
 166
 167                                         if (next_unread_feed && show_next_feed) {
 168                                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 169                                                 feed = next_unread_feed;
 170                                         }
 171
 172                                 }
 173                         }
 174                 }
 175
 176                 if (is_cat) {
 177                         query = query + "&cat=1";
 178                 }
 179
 180                 if (page_offset != 0) {
 181                         query = query + "&skip=" + page_offset;
 182
 183                         // to prevent duplicate feed titles when showing grouped vfeeds
 184                         if (vgroup_last_feed) {
 185                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 186                         }
 187                 }
 188
 189                 var date = new Date();
 190                 var timestamp = Math.round(date.getTime() / 1000);
 191                 query = query + "&ts=" + timestamp
 192
 193                 disableContainerChildren("headlinesToolbar", false);
 194                 Form.enable("main_toolbar_form");
 195
 196                 // for piggybacked counters
 197
 198                 if (tagsAreDisplayed()) {
 199                         query = query + "&omode=lt";
 200                 } else {
 201                         query = query + "&omode=flc";
 202                 }
 203
 204                 if (!async_counters_work) {
 205                         query = query + "&csync=true";
 206                 }
 207
 208                 debug(query);
 209
 210                 var container = document.getElementById("headlinesInnerContainer");
 211
 212 /*              if (container && page_offset == 0 && !isCdmMode()) {
 213                         new Effect.Fade(container, {duration: 1, to: 0.01,
 214                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 215                 } */
 216
 217                 var unread_ctr = get_feed_unread(feed);
 218                 var cache_check = false;
 219
 220                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 221
 222                         var cache_prefix = "";
 223
 224                         if (is_cat) {
 225                                 cache_prefix = "C:";
 226                         } else {
 227                                 cache_prefix = "F:";
 228                         }
 229
 230                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 231                         debug("headline cache check: " + cache_check);
 232                 }
 233
 234                 if (cache_check) {
 235                         var f = document.getElementById("headlines-frame");
 236
 237                         clean_feed_selections();
 238
 239                         setActiveFeedId(feed);
 240
 241                         if (is_cat != undefined) {
 242                                 active_feed_is_cat = is_cat;
 243                         }
 244
 245                         if (!is_cat) {
 246                                 var feedr = document.getElementById("FEEDR-" + feed);
 247                                 if (feedr && !feedr.className.match("Selected")) {
 248                                         feedr.className = feedr.className + "Selected";
 249                                 }
 250                         }
 251
 252                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 253
 254                         request_counters();
 255
 256                 } else {
 257
 258                         if (!page_offset) {
 259                                 notify_progress("Loading, please wait...", true);
 260                         }
 261
 262                         new Ajax.Request(query, {
 263                                 onComplete: function(transport) {
 264                                         headlines_callback2(transport, feed, is_cat, page_offset);
 265                                 } });
 266                 }
 267
 268         } catch (e) {
 269                 exception_error("viewfeed", e);
 270         }
 271 }
 272
 273 function toggleCollapseCat_af(effect) {
 274         //var caption = elem.id.replace("FCATLIST-", "");
 275
 276         try {
 277
 278                 var elem = effect.element;
 279                 var cat = elem.id.replace("FCATLIST-", "");
 280                 var cap = document.getElementById("FCAP-" + cat);
 281
 282                 if (Element.visible(elem)) {
 283                         cap.innerHTML = cap.innerHTML.replace("…", "");
 284                 } else {
 285                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 286                                 cap.innerHTML = cap.innerHTML + "…";
 287                         }
 288                 }
 289
 290         } catch (e) {
 291                 exception_error("toggleCollapseCat_af", e);
 292         }
 293 }
 294
 295 function toggleCollapseCat(cat) {
 296         try {
 297
 298                 var cat_elem = document.getElementById("FCAT-" + cat);
 299                 var cat_list = document.getElementById("FCATLIST-" + cat).parentNode;
 300                 var caption = document.getElementById("FCAP-" + cat);
 301
 302 /*              if (cat_list.className.match("invisible")) {
 303                         cat_list.className = "";
 304                         caption.innerHTML = caption.innerHTML.replace("...", "");
 305                         if (cat == 0) {
 306                                 setCookie("ttrss_vf_uclps", "0");
 307                         }
 308                 } else {
 309                         cat_list.className = "invisible";
 310                         caption.innerHTML = caption.innerHTML + "...";
 311                         if (cat == 0) {
 312                                 setCookie("ttrss_vf_uclps", "1");
 313                         }
 314
 315                 } */
 316
 317                 if (cat == 0) {
 318                         if (Element.visible("FCATLIST-" + cat)) {
 319                                 setCookie("ttrss_vf_uclps", "1");
 320                         } else {
 321                                 setCookie("ttrss_vf_uclps", "0");
 322                         }
 323                 }
 324
 325                 if (cat == -2) {
 326                         if (Element.visible("FCATLIST-" + cat)) {
 327                                 setCookie("ttrss_vf_lclps", "1");
 328                         } else {
 329                                 setCookie("ttrss_vf_lclps", "0");
 330                         }
 331                 }
 332
 333                 if (cat == -1) {
 334                         if (Element.visible("FCATLIST-" + cat)) {
 335                                 setCookie("ttrss_vf_vclps", "1");
 336                         } else {
 337                                 setCookie("ttrss_vf_vclps", "0");
 338                         }
 339                 }
 340
 341                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 342                         afterFinish: toggleCollapseCat_af });
 343
 344                 new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
 345                         param_escape(cat));
 346
 347         } catch (e) {
 348                 exception_error("toggleCollapseCat", e);
 349         }
 350 }
 351
 352 function feedlist_dragsorted(ctr) {
 353         try {
 354                 var elem = document.getElementById("feedList");
 355
 356                 var cats = elem.getElementsByTagName("LI");
 357                 var ordered_cats = new Array();
 358
 359                 for (var i = 0; i < cats.length; i++) {
 360                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 361                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 362                         }
 363                 }
 364
 365                 if (ordered_cats.length > 0) {
 366
 367                         var query = "backend.php?op=feeds&subop=catsort&corder=" +
 368                                 param_escape(ordered_cats.toString());
 369
 370                         debug(query);
 371
 372                         new Ajax.Request(query);
 373                 }
 374
 375         } catch (e) {
 376                 exception_error("feedlist_dragsorted", e);
 377         }
 378 }
 379
 380 function feedlist_init() {
 381         try {
 382 //              if (arguments.callee.done) return;
 383 //              arguments.callee.done = true;
 384
 385                 loading_set_progress(90);
 386
 387                 debug("in feedlist init");
 388
 389                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 390                 document.onkeydown = hotkey_handler;
 391                 document.onmousemove = mouse_move_handler;
 392                 document.onmousedown = mouse_down_handler;
 393                 document.onmouseup = mouse_up_handler;
 394                 setTimeout("timeout()", 0);
 395
 396                 if (typeof correctPNG != 'undefined') {
 397                         correctPNG();
 398                 }
 399
 400                 if (getActiveFeedId()) {
 401                         //debug("some feed is open on feedlist refresh, reloading");
 402                         //setTimeout("viewCurrentFeed()", 100);
 403                 } else {
 404                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 405                                 notify_silent_next();
 406                                 setTimeout("viewfeed(-3)", 100);
 407                         } else {
 408                                 remove_splash();
 409                         }
 410                 }
 411
 412                 if (getInitParam("theme") == "") {
 413                         setTimeout("hide_footer()", 5000);
 414                 }
 415
 416                 init_collapsable_feedlist(getInitParam("theme"));
 417
 418                 toggle_sortable_feedlist(isFeedlistSortable());
 419
 420         } catch (e) {
 421                 exception_error("feedlist/init", e);
 422         }
 423 }
 424
 425 function hide_footer_af(effect) {
 426         try {
 427                 var c = document.getElementById("content-frame");
 428
 429                 if (c) {
 430                         c.style.bottom = "0px";
 431                 } else {
 432                         var h = document.getElementById("headlines-frame");
 433
 434                         if (h) {
 435                                 h.style.bottom = "0px";
 436                         }
 437                 }
 438
 439         } catch (e) {
 440                 exception_error("hide_footer_af", e);
 441         }
 442 }
 443
 444 function hide_footer() {
 445         try {
 446                 if (Element.visible("footer")) {
 447                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 448                 }
 449         } catch (e) {
 450                 exception_error("hide_footer", e);
 451         }
 452 }
 453
 454 /*
 455 function init_hidden_feedlist(theme) {
 456         try {
 457                 debug("init_hidden_feedlist");
 458
 459                 if (theme != "" && theme != "compact") return;
 460
 461                 var fl = document.getElementById("feeds-holder");
 462                 var fh = document.getElementById("headlines-frame");
 463                 var fc = document.getElementById("content-frame");
 464                 var ft = document.getElementById("toolbar");
 465                 var ff = document.getElementById("footer");
 466                 var fhdr = document.getElementById("header");
 467
 468                 var fbtn = document.getElementById("toggle_feeds_btn");
 469
 470                 if (fbtn) Element.show(fbtn);
 471
 472                 fl.style.top = fh.offsetTop + "px";
 473                 fl.style.backgroundColor = "white"; //FIXME
 474
 475                 Element.hide(fl);
 476
 477                 fh.style.left = "0px";
 478                 ft.style.left = "0px";
 479                 if (fc) fc.style.left = "0px";
 480                 if (ff) ff.style.left = "0px";
 481
 482                 if (theme == "compact") {
 483                         fhdr.style.left = "10px";
 484                         fl.style.top = (fh.offsetTop + 1) + "px";
 485                 }
 486
 487         } catch (e) {
 488                 exception_error("init_hidden_feedlist", e);
 489         }
 490 } */
 491
 492 function init_collapsable_feedlist(theme) {
 493         try {
 494                 debug("init_collapsable_feedlist");
 495
 496                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 497                                 theme != "compat") return;
 498
 499                 var fbtn = document.getElementById("collapse_feeds_btn");
 500
 501                 if (fbtn) Element.show(fbtn);
 502
 503                 if (getCookie("ttrss_vf_fclps") == 1) {
 504                         collapse_feedlist();
 505                 }
 506
 507         } catch (e) {
 508                 exception_error("init_hidden_feedlist", e);
 509         }
 510
 511 }
 512
 513 function mouse_move_handler(e) {
 514         try {
 515                 var client_y;
 516                 var client_x;
 517
 518                 if (window.event) {
 519                         client_y = window.event.clientY;
 520                         client_x = window.event.clientX;
 521                 } else if (e) {
 522                         client_x = e.screenX;
 523                         client_y = e.screenY;
 524                 }
 525
 526                 if (mouse_is_down) {
 527
 528                         if (mouse_y == 0) mouse_y = client_y;
 529                         if (mouse_x == 0) mouse_x = client_x;
 530
 531                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 532
 533                         mouse_y = client_y;
 534                         mouse_x = client_x;
 535
 536                         return false;
 537                 }
 538
 539         } catch (e) {
 540                 exception_error("mouse_move_handler", e);
 541         }
 542 }
 543
 544 function enable_resize(b) {
 545         resize_enabled = b;
 546 }
 547
 548 function mouse_down_handler(e) {
 549         try {
 550                 if (resize_enabled) {
 551                         mouse_is_down = true;
 552                         mouse_x = 0;
 553                         mouse_y = 0;
 554                         document.onselectstart = function() { return false; };
 555                         return false;
 556                 }
 557         } catch (e) {
 558                 exception_error("mouse_move_handler", e);
 559         }
 560 }
 561
 562 function mouse_up_handler(e) {
 563         try {
 564                 mouse_is_down = false;
 565                 document.onselectstart = null;
 566         } catch (e) {
 567                 exception_error("mouse_move_handler", e);
 568         }
 569 }
 570
 571 function request_counters_real() {
 572
 573         try {
 574
 575                 debug("requesting counters...");
 576
 577                 var query = "backend.php?op=rpc&subop=getAllCounters";
 578
 579                 if (tagsAreDisplayed()) {
 580                         query = query + "&omode=tl";
 581                 } else {
 582                         query = query + "&omode=flc";
 583                 }
 584
 585                 new Ajax.Request(query, {
 586                         onComplete: function(transport) {
 587                                 try {
 588                                         all_counters_callback2(transport, true);
 589                                 } catch (e) {
 590                                         exception_error("viewfeed/getcounters", e);
 591                                 }
 592                         } });
 593
 594         } catch (e) {
 595                 exception_error("request_counters_real", e);
 596         }
 597 }
 598
 599
 600 function request_counters() {
 601
 602         try {
 603
 604                 if (getInitParam("bw_limit") == "1") return;
 605
 606                 var date = new Date();
 607                 var timestamp = Math.round(date.getTime() / 1000);
 608
 609 //              if (getInitParam("sync_counters") == "1" ||
 610 //                              timestamp - counters_last_request > 10) {
 611
 612                 if (timestamp - counters_last_request > 10) {
 613
 614                         debug("scheduling request of counters...");
 615                         window.setTimeout("request_counters_real()", 1000);
 616                         counters_last_request = timestamp;
 617                 } else {
 618                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 619                 }
 620
 621         } catch (e) {
 622                 exception_error("request_counters", e);
 623         }
 624 }