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