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