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