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