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_init() {
 320         try {
 321 //              if (arguments.callee.done) return;
 322 //              arguments.callee.done = true;
 323
 324                 loading_set_progress(90);
 325
 326                 debug("in feedlist init");
 327
 328                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 329                 document.onkeydown = hotkey_handler;
 330                 document.onmousemove = mouse_move_handler;
 331                 document.onmousedown = mouse_down_handler;
 332                 document.onmouseup = mouse_up_handler;
 333                 setTimeout("timeout()", 0);
 334
 335                 if (typeof correctPNG != 'undefined') {
 336                         correctPNG();
 337                 }
 338
 339                 if (getActiveFeedId()) {
 340                         debug("some feed is open on feedlist refresh, reloading");
 341                         setTimeout("viewCurrentFeed()", 100);
 342                 } else {
 343                         if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
 344                                 notify_silent_next();
 345                                 setTimeout("viewfeed(-3)", 100);
 346                         } else {
 347                                 remove_splash();
 348                         }
 349                 }
 350
 351                 if (getInitParam("theme") == "") {
 352                         setTimeout("hide_footer()", 5000);
 353                 }
 354
 355                 init_collapsable_feedlist(getInitParam("theme"));
 356
 357         } catch (e) {
 358                 exception_error("feedlist/init", e);
 359         }
 360 }
 361
 362 function hide_footer_af(effect) {
 363         try {
 364                 var c = document.getElementById("content-frame");
 365
 366                 if (c) {
 367                         c.style.bottom = "0px";
 368                 } else {
 369                         var h = document.getElementById("headlines-frame");
 370
 371                         if (h) {
 372                                 h.style.bottom = "0px";
 373                         }
 374                 }
 375
 376         } catch (e) {
 377                 exception_error("hide_footer_af", e);
 378         }
 379 }
 380
 381 function hide_footer() {
 382         try {
 383                 if (Element.visible("footer")) {
 384                         new Effect.Fade("footer", { afterFinish: hide_footer_af });
 385                 }
 386         } catch (e) {
 387                 exception_error("hide_footer", e);
 388         }
 389 }
 390
 391 /*
 392 function init_hidden_feedlist(theme) {
 393         try {
 394                 debug("init_hidden_feedlist");
 395
 396                 if (theme != "" && theme != "compact") return;
 397
 398                 var fl = document.getElementById("feeds-holder");
 399                 var fh = document.getElementById("headlines-frame");
 400                 var fc = document.getElementById("content-frame");
 401                 var ft = document.getElementById("toolbar");
 402                 var ff = document.getElementById("footer");
 403                 var fhdr = document.getElementById("header");
 404
 405                 var fbtn = document.getElementById("toggle_feeds_btn");
 406
 407                 if (fbtn) Element.show(fbtn);
 408
 409                 fl.style.top = fh.offsetTop + "px";
 410                 fl.style.backgroundColor = "white"; //FIXME
 411
 412                 Element.hide(fl);
 413
 414                 fh.style.left = "0px";
 415                 ft.style.left = "0px";
 416                 if (fc) fc.style.left = "0px";
 417                 if (ff) ff.style.left = "0px";
 418
 419                 if (theme == "compact") {
 420                         fhdr.style.left = "10px";
 421                         fl.style.top = (fh.offsetTop + 1) + "px";
 422                 }
 423
 424         } catch (e) {
 425                 exception_error("init_hidden_feedlist", e);
 426         }
 427 } */
 428
 429 function init_collapsable_feedlist(theme) {
 430         try {
 431                 debug("init_collapsable_feedlist");
 432
 433                 if (theme != "" && theme != "compact" && theme != "graycube" &&
 434                                 theme != "compat") return;
 435
 436                 var fbtn = document.getElementById("collapse_feeds_btn");
 437
 438                 if (fbtn) Element.show(fbtn);
 439
 440                 if (getCookie("ttrss_vf_fclps") == 1) {
 441                         collapse_feedlist();
 442                 }
 443
 444         } catch (e) {
 445                 exception_error("init_hidden_feedlist", e);
 446         }
 447
 448 }
 449
 450 function mouse_move_handler(e) {
 451         try {
 452                 var client_y;
 453                 var client_x;
 454
 455                 if (window.event) {
 456                         client_y = window.event.clientY;
 457                         client_x = window.event.clientX;
 458                 } else if (e) {
 459                         client_x = e.screenX;
 460                         client_y = e.screenY;
 461                 }
 462
 463                 if (mouse_is_down) {
 464
 465                         if (mouse_y == 0) mouse_y = client_y;
 466                         if (mouse_x == 0) mouse_x = client_x;
 467
 468                         resize_headlines(mouse_x - client_x, mouse_y - client_y);
 469
 470                         mouse_y = client_y;
 471                         mouse_x = client_x;
 472
 473                         return false;
 474                 }
 475
 476         } catch (e) {
 477                 exception_error("mouse_move_handler", e);
 478         }
 479 }
 480
 481 function enable_resize(b) {
 482         resize_enabled = b;
 483 }
 484
 485 function mouse_down_handler(e) {
 486         try {
 487                 if (resize_enabled) {
 488                         mouse_is_down = true;
 489                         mouse_x = 0;
 490                         mouse_y = 0;
 491                         document.onselectstart = function() { return false; };
 492                         return false;
 493                 }
 494         } catch (e) {
 495                 exception_error("mouse_move_handler", e);
 496         }
 497 }
 498
 499 function mouse_up_handler(e) {
 500         try {
 501                 mouse_is_down = false;
 502                 document.onselectstart = null;
 503         } catch (e) {
 504                 exception_error("mouse_move_handler", e);
 505         }
 506 }
 507
 508 function request_counters_real() {
 509
 510         try {
 511
 512                 debug("requesting counters...");
 513
 514                 var query = "backend.php?op=rpc&subop=getAllCounters";
 515
 516                 if (tagsAreDisplayed()) {
 517                         query = query + "&omode=tl";
 518                 } else {
 519                         query = query + "&omode=flc";
 520                 }
 521
 522                 new Ajax.Request(query, {
 523                         onComplete: function(transport) {
 524                                 try {
 525                                         all_counters_callback2(transport, true);
 526                                 } catch (e) {
 527                                         exception_error("viewfeed/getcounters", e);
 528                                 }
 529                         } });
 530
 531         } catch (e) {
 532                 exception_error("request_counters_real", e);
 533         }
 534 }
 535
 536
 537 function request_counters() {
 538
 539         try {
 540
 541                 if (getInitParam("bw_limit") == "1") return;
 542
 543                 var date = new Date();
 544                 var timestamp = Math.round(date.getTime() / 1000);
 545
 546 //              if (getInitParam("sync_counters") == "1" ||
 547 //                              timestamp - counters_last_request > 10) {
 548
 549                 if (timestamp - counters_last_request > 10) {
 550
 551                         debug("scheduling request of counters...");
 552                         window.setTimeout("request_counters_real()", 1000);
 553                         counters_last_request = timestamp;
 554                 } else {
 555                         debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 556                 }
 557
 558         } catch (e) {
 559                 exception_error("request_counters", e);
 560         }
 561 }