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 viewCategory(cat) {
  14         active_feed_is_cat = true;
  15         viewfeed(cat, '', true);
  16         return false;
  17 }
  18
  19 function feedlist_callback2(transport) {
  20         try {
  21                 debug("feedlist_callback2");
  22                 var f = document.getElementById("feeds-frame");
  23                 f.innerHTML = transport.responseText;
  24                 feedlist_init();
  25         } catch (e) {
  26                 exception_error("feedlist_callback2", e);
  27         }
  28 }
  29
  30 function viewNextFeedPage() {
  31         try {
  32                 //if (!getActiveFeedId()) return;
  33
  34                 debug("viewNextFeedPage: calling viewfeed(), p: " + _feed_cur_page+1);
  35
  36                 viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
  37                         undefined, _feed_cur_page+1);
  38
  39         } catch (e) {
  40                 exception_error("viewNextFeedPage", e);
  41         }
  42 }
  43
  44 function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
  45         try {
  46
  47 //              if (!offset) page_offset = 0;
  48
  49                 last_requested_article = 0;
  50                 counters_last_request = 0;
  51
  52                 if (feed == getActiveFeedId()) {
  53                         cache_invalidate("F:" + feed);
  54                 }
  55
  56 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  57                         if (getInitParam("hide_feedlist") == 1) {
  58                                 Element.hide("feeds-holder");
  59                         }
  60                 } */
  61
  62                 var force_nocache = false;
  63
  64                 var page_offset = 0;
  65
  66                 if (offset > 0) {
  67                         page_offset = offset;
  68                 } else {
  69                         page_offset = 0;
  70                         _feed_cur_page = 0;
  71                         _infscroll_disable = 0;
  72                 }
  73
  74                 if (getActiveFeedId() != feed) {
  75                         _feed_cur_page = 0;
  76                         active_post_id = 0;
  77                         _infscroll_disable = 0;
  78                 }
  79
  80                 if (page_offset != 0 && !subop) {
  81                         var date = new Date();
  82                         var timestamp = Math.round(date.getTime() / 1000);
  83
  84                         debug("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
  85
  86                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  87                                 debug("infscroll request in progress, aborting");
  88                                 return;
  89                         }
  90
  91                         _infscroll_request_sent = timestamp;
  92                 }
  93
  94                 enableHotkeys();
  95
  96                 closeInfoBox();
  97
  98                 Form.enable("main_toolbar_form");
  99
 100                 var toolbar_form = document.forms["main_toolbar_form"];
 101                 var toolbar_query = Form.serialize("main_toolbar_form");
 102
 103                 if (toolbar_form.query) {
 104                         if (toolbar_form.query.value != "") {
 105                                 force_nocache = true;
 106                         }
 107                         toolbar_form.query.value = "";
 108                 }
 109
 110                 var query = "backend.php?op=viewfeed&feed=" + feed + "&" +
 111                         toolbar_query + "&subop=" + param_escape(subop);
 112
 113                 if (document.getElementById("search_form")) {
 114                         var search_query = Form.serialize("search_form");
 115                         query = query + "&" + search_query;
 116                         closeInfoBox(true);
 117                         force_nocache = true;
 118                 }
 119
 120 //              debug("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 121
 122                 if (subop == "MarkAllRead") {
 123
 124                         var feedlist = document.getElementById('feedList');
 125
 126                         var next_unread_feed = getRelativeFeedId(feedlist,
 127                                         feed, "next", true);
 128
 129                         if (!next_unread_feed) {
 130                                 next_unread_feed = getRelativeFeedId(feedlist,
 131                                         -3, "next", true);
 132                         }
 133
 134                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 135
 136                         if (next_unread_feed && show_next_feed && !activeFeedIsCat()) {
 137                                 query = query + "&nuf=" + param_escape(next_unread_feed);
 138                                 //setActiveFeedId(next_unread_feed);
 139                                 feed = next_unread_feed;
 140                         }
 141                 }
 142
 143                 if (is_cat) {
 144                         query = query + "&cat=1";
 145                 }
 146
 147                 if (page_offset != 0) {
 148                         query = query + "&skip=" + page_offset;
 149
 150                         // to prevent duplicate feed titles when showing grouped vfeeds
 151                         if (vgroup_last_feed) {
 152                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 153                         }
 154                 }
 155
 156                 var date = new Date();
 157                 var timestamp = Math.round(date.getTime() / 1000);
 158                 query = query + "&ts=" + timestamp
 159
 160                 disableContainerChildren("headlinesToolbar", false);
 161                 Form.enable("main_toolbar_form");
 162
 163                 // for piggybacked counters
 164
 165                 if (tagsAreDisplayed()) {
 166                         query = query + "&omode=lt";
 167                 } else {
 168                         query = query + "&omode=flc";
 169                 }
 170
 171                 if (!async_counters_work) {
 172                         query = query + "&csync=true";
 173                 }
 174
 175                 debug(query);
 176
 177                 var container = document.getElementById("headlinesInnerContainer");
 178
 179 /*              if (container && page_offset == 0 && !isCdmMode()) {
 180                         new Effect.Fade(container, {duration: 1, to: 0.01,
 181                                 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
 182                 } */
 183
 184                 var unread_ctr = get_feed_unread(feed);
 185                 var cache_check = false;
 186
 187                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 188
 189                         var cache_prefix = "";
 190
 191                         if (is_cat) {
 192                                 cache_prefix = "C:";
 193                         } else {
 194                                 cache_prefix = "F:";
 195                         }
 196
 197                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 198                         debug("headline cache check: " + cache_check);
 199                 }
 200
 201                 if (cache_check) {
 202                         var f = document.getElementById("headlines-frame");
 203
 204                         clean_feed_selections();
 205
 206                         setActiveFeedId(feed);
 207
 208                         if (is_cat != undefined) {
 209                                 active_feed_is_cat = is_cat;
 210                         }
 211
 212                         if (!is_cat) {
 213                                 var feedr = document.getElementById("FEEDR-" + feed);
 214                                 if (feedr && !feedr.className.match("Selected")) {
 215                                         feedr.className = feedr.className + "Selected";
 216                                 }
 217                         }
 218
 219                         f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
 220
 221                         request_counters();
 222
 223                 } else {
 224
 225                         if (!page_offset) {
 226                                 notify_progress("Loading, please wait...", true);
 227                         }
 228
 229                         new Ajax.Request(query, {
 230                                 onComplete: function(transport) {
 231                                         headlines_callback2(transport, feed, is_cat, page_offset);
 232                                 } });
 233                 }
 234
 235         } catch (e) {
 236                 exception_error("viewfeed", e);
 237         }
 238 }
 239
 240 function toggleCollapseCat_af(effect) {
 241         //var caption = elem.id.replace("FCATLIST-", "");
 242
 243         try {
 244
 245                 var elem = effect.element;
 246                 var cat = elem.id.replace("FCATLIST-", "");
 247                 var cap = document.getElementById("FCAP-" + cat);
 248
 249                 if (Element.visible(elem)) {
 250                         cap.innerHTML = cap.innerHTML.replace("…", "");
 251                 } else {
 252                         if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
 253                                 cap.innerHTML = cap.innerHTML + "…";
 254                         }
 255                 }
 256
 257         } catch (e) {
 258                 exception_error("toggleCollapseCat_af", e);
 259         }
 260 }
 261
 262 function toggleCollapseCat(cat) {
 263         try {
 264
 265                 var cat_elem = document.getElementById("FCAT-" + cat);
 266                 var cat_list = document.getElementById("FCATLIST-" + cat).parentNode;
 267                 var caption = document.getElementById("FCAP-" + cat);
 268
 269 /*              if (cat_list.className.match("invisible")) {
 270                         cat_list.className = "";
 271                         caption.innerHTML = caption.innerHTML.replace("...", "");
 272                         if (cat == 0) {
 273                                 setCookie("ttrss_vf_uclps", "0");
 274                         }
 275                 } else {
 276                         cat_list.className = "invisible";
 277                         caption.innerHTML = caption.innerHTML + "...";
 278                         if (cat == 0) {
 279                                 setCookie("ttrss_vf_uclps", "1");
 280                         }
 281
 282                 } */
 283
 284                 if (cat == 0) {
 285                         if (Element.visible("FCATLIST-" + cat)) {
 286                                 setCookie("ttrss_vf_uclps", "1");
 287                         } else {
 288                                 setCookie("ttrss_vf_uclps", "0");
 289                         }
 290                 }
 291
 292                 if (cat == -2) {
 293                         if (Element.visible("FCATLIST-" + cat)) {
 294                                 setCookie("ttrss_vf_lclps", "1");
 295                         } else {
 296                                 setCookie("ttrss_vf_lclps", "0");
 297                         }
 298                 }
 299
 300                 if (cat == -1) {
 301                         if (Element.visible("FCATLIST-" + cat)) {
 302                                 setCookie("ttrss_vf_vclps", "1");
 303                         } else {
 304                                 setCookie("ttrss_vf_vclps", "0");
 305                         }
 306                 }
 307
 308                 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
 309                         afterFinish: toggleCollapseCat_af });
 310
 311                 new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
 312                         param_escape(cat));
 313
 314         } catch (e) {
 315                 exception_error("toggleCollapseCat", e);
 316         }
 317 }
 318
 319 function feedlist_dragsorted(ctr) {
 320         try {
 321                 var elem = document.getElementById("feedList");
 322
 323                 var cats = elem.getElementsByTagName("LI");
 324                 var ordered_cats = new Array();
 325
 326                 for (var i = 0; i < cats.length; i++) {
 327                         if (cats[i].id && cats[i].id.match("FCAT-")) {
 328                                 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
 329                         }
 330                 }
 331
 332                 if (ordered_cats.length > 0) {
 333
 334                         var query = "backend.php?op=feeds&subop=catsort&corder=" +
 335                                 param_escape(ordered_cats.toString());
 336
 337                         debug(query);
 338
 339                         new Ajax.Request(query);
 340                 }
 341
 342         } catch (e) {
 343                 exception_error("feedlist_init", e);
 344         }
 345 }
 346
 347 function feedlist_init() {
 348         try {
 349 //              if (arguments.callee.done) return;
 350 //              arguments.callee.done = true;
 351
 352                 loading_set_progress(90);
 353
 354                 debug("in feedlist init");
 355
 356                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 357                 document.onkeydown = hotkey_handler;
 358                 document.onmousemove = mouse_move_handler;
 359                 document.onmousedown = mouse_down_handler;
 360                 document.onmouseup = mouse_up_handler;
 361                 setTimeout("timeout()", 0);
 362
 363                 if (typeof correctPNG != 'undefined') {
 364                         correctPNG();
 365                 }
 366
 367                 if (getActiveFeedId()) {
 368                         //debug("some feed is open on feedlist refresh, reloading");
 369                         //setTimeout("viewCurrentFeed()", 100);
 370                 } else {
 371                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 372                                 notify_silent_next();
 373                                 setTimeout("viewfeed(-3)", 100);
 374                         } else {
 375                                 remove_splash();
 376                         }
 377                 }
 378
 379                 if (getInitParam("theme") == "") {
 380                         setTimeout("hide_footer()", 5000);
 381                 }
 382
 383                 init_collapsable_feedlist(getInitParam("theme"));
 384
 385                 Sortable.create('feedList', {onChange: feedlist_dragsorted});
 386
 387         } catch (e) {
 388                 exception_error("feedlist/init", e);
 389         }
 390 }
 391
 392 function hide_footer_af(effect) {
 393         try {
 394                 var c = document.getElementById("content-frame");
 395
 396                 if (c) {
 397                         c.style.bottom = "0px";
 398                 } else {
 399                         var h = document.getElementById("headlines-frame");
 400
 401                         if (h) {
 402                                 h.style.bottom = "0px";
 403                         }
 404                 }
 405
 406         } catch (e) {
 407                 exception_error("hide_footer_af", e);
 408         }
 409 }
 410
 411 function hide_footer() {
 412         try {
 413                 if (Element.visible("footer")) {
 414                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 415                 }
 416         } catch (e) {
 417                 exception_error("hide_footer", e);
 418         }
 419 }
 420
 421 /*
 422 function init_hidden_feedlist(theme) {
 423         try {
 424                 debug("init_hidden_feedlist");
 425
 426                 if (theme != "" && theme != "compact") return;
 427
 428                 var fl = document.getElementById("feeds-holder");
 429                 var fh = document.getElementById("headlines-frame");
 430                 var fc = document.getElementById("content-frame");
 431                 var ft = document.getElementById("toolbar");
 432                 var ff = document.getElementById("footer");
 433                 var fhdr = document.getElementById("header");
 434
 435                 var fbtn = document.getElementById("toggle_feeds_btn");
 436
 437                 if (fbtn) Element.show(fbtn);
 438
 439                 fl.style.top = fh.offsetTop + "px";
 440                 fl.style.backgroundColor = "white"; //FIXME
 441
 442                 Element.hide(fl);
 443
 444                 fh.style.left = "0px";
 445                 ft.style.left = "0px";
 446                 if (fc) fc.style.left = "0px";
 447                 if (ff) ff.style.left = "0px";
 448
 449                 if (theme == "compact") {
 450                         fhdr.style.left = "10px";
 451                         fl.style.top = (fh.offsetTop + 1) + "px";
 452                 }
 453
 454         } catch (e) {
 455                 exception_error("init_hidden_feedlist", e);
 456         }
 457 } */
 458
 459 function init_collapsable_feedlist(theme) {
 460         try {
 461                 debug("init_collapsable_feedlist");
 462
 463                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 464                                 theme != "compat") return;
 465
 466                 var fbtn = document.getElementById("collapse_feeds_btn");
 467
 468                 if (fbtn) Element.show(fbtn);
 469
 470                 if (getCookie("ttrss_vf_fclps") == 1) {
 471                         collapse_feedlist();
 472                 }
 473
 474         } catch (e) {
 475                 exception_error("init_hidden_feedlist", e);
 476         }
 477
 478 }
 479
 480 function mouse_move_handler(e) {
 481         try {
 482                 var client_y;
 483                 var client_x;
 484
 485                 if (window.event) {
 486                         client_y = window.event.clientY;
 487                         client_x = window.event.clientX;
 488                 } else if (e) {
 489                         client_x = e.screenX;
 490                         client_y = e.screenY;
 491                 }
 492
 493                 if (mouse_is_down) {
 494
 495                         if (mouse_y == 0) mouse_y = client_y;
 496                         if (mouse_x == 0) mouse_x = client_x;
 497
 498                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 499
 500                         mouse_y = client_y;
 501                         mouse_x = client_x;
 502
 503                         return false;
 504                 }
 505
 506         } catch (e) {
 507                 exception_error("mouse_move_handler", e);
 508         }
 509 }
 510
 511 function enable_resize(b) {
 512         resize_enabled = b;
 513 }
 514
 515 function mouse_down_handler(e) {
 516         try {
 517                 if (resize_enabled) {
 518                         mouse_is_down = true;
 519                         mouse_x = 0;
 520                         mouse_y = 0;
 521                         document.onselectstart = function() { return false; };
 522                         return false;
 523                 }
 524         } catch (e) {
 525                 exception_error("mouse_move_handler", e);
 526         }
 527 }
 528
 529 function mouse_up_handler(e) {
 530         try {
 531                 mouse_is_down = false;
 532                 document.onselectstart = null;
 533         } catch (e) {
 534                 exception_error("mouse_move_handler", e);
 535         }
 536 }
 537
 538 function request_counters_real() {
 539
 540         try {
 541
 542                 debug("requesting counters...");
 543
 544                 var query = "backend.php?op=rpc&subop=getAllCounters";
 545
 546                 if (tagsAreDisplayed()) {
 547                         query = query + "&omode=tl";
 548                 } else {
 549                         query = query + "&omode=flc";
 550                 }
 551
 552                 new Ajax.Request(query, {
 553                         onComplete: function(transport) {
 554                                 try {
 555                                         all_counters_callback2(transport, true);
 556                                 } catch (e) {
 557                                         exception_error("viewfeed/getcounters", e);
 558                                 }
 559                         } });
 560
 561         } catch (e) {
 562                 exception_error("request_counters_real", e);
 563         }
 564 }
 565
 566
 567 function request_counters() {
 568
 569         try {
 570
 571                 if (getInitParam("bw_limit") == "1") return;
 572
 573                 var date = new Date();
 574                 var timestamp = Math.round(date.getTime() / 1000);
 575
 576 //              if (getInitParam("sync_counters") == "1" ||
 577 //                              timestamp - counters_last_request > 10) {
 578
 579                 if (timestamp - counters_last_request > 10) {
 580
 581                         debug("scheduling request of counters...");
 582                         window.setTimeout("request_counters_real()", 1000);
 583                         counters_last_request = timestamp;
 584                 } else {
 585                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 586                 }
 587
 588         } catch (e) {
 589                 exception_error("request_counters", e);
 590         }
 591 }