js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16 var _headlines_scroll_offset = 0;
  17 var current_first_id = 0;
  18
  19 var _catchup_request_sent = false;
  20
  21 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  22
  23 function headlines_callback2(transport, offset, background, infscroll_req) {
  24         try {
  25                 handle_rpc_json(transport);
  26
  27                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  28
  29                 var is_cat = false;
  30                 var feed_id = false;
  31
  32                 var reply = false;
  33
  34                 try {
  35                         reply = JSON.parse(transport.responseText);
  36                 } catch (e) {
  37                         console.error(e);
  38                 }
  39
  40                 if (reply) {
  41
  42                         is_cat = reply['headlines']['is_cat'];
  43                         feed_id = reply['headlines']['id'];
  44
  45                         if (background) {
  46                                 var content = reply['headlines']['content'];
  47
  48                                 content = content + "<div id='headlines-spacer'></div>";
  49                                 return;
  50                         }
  51
  52                         if (feed_id != -7 && (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat()))
  53                                 return;
  54
  55                         /* dijit.getEnclosingWidget(
  56                                 document.forms["main_toolbar_form"].update).attr('disabled',
  57                                         is_cat || feed_id <= 0); */
  58
  59                         try {
  60                                 if (infscroll_req == false) {
  61                                         $("headlines-frame").scrollTop = 0;
  62
  63                                         $("floatingTitle").style.visibility = "hidden";
  64                                         $("floatingTitle").setAttribute("data-article-id", 0);
  65                                         $("floatingTitle").innerHTML = "";
  66                                 }
  67                         } catch (e) { };
  68
  69                         $("headlines-frame").removeClassName("cdm");
  70                         $("headlines-frame").removeClassName("normal");
  71
  72                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  73
  74                         var headlines_count = reply['headlines-info']['count'];
  75
  76                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  77
  78                         if (parseInt(headlines_count) < 30) {
  79                                 _infscroll_disable = 1;
  80                         } else {
  81                                 _infscroll_disable = 0;
  82                         }
  83
  84                         current_first_id = reply['headlines']['first_id'];
  85                         var counters = reply['counters'];
  86                         var articles = reply['articles'];
  87                         //var runtime_info = reply['runtime-info'];
  88
  89                         if (infscroll_req == false) {
  90                                 loaded_article_ids = [];
  91
  92                                 dojo.html.set($("headlines-toolbar"),
  93                                                 reply['headlines']['toolbar'],
  94                                                 {parseContent: true});
  95
  96                                 /*dojo.html.set($("headlines-frame"),
  97                                         reply['headlines']['content'],
  98                                         {parseContent: true});
  99
 100                                 $$("#headlines-frame div[id*='RROW']").each(function(row) {
 101                                         loaded_article_ids.push(row.id);
 102                                 });*/
 103
 104                                 $("headlines-frame").innerHTML = '';
 105
 106                                 var tmp = new Element("div");
 107                                 tmp.innerHTML = reply['headlines']['content'];
 108                                 dojo.parser.parse(tmp);
 109
 110                                 while (tmp.hasChildNodes()) {
 111                                         var row = tmp.removeChild(tmp.firstChild);
 112
 113                                         if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 114                                                 dijit.byId("headlines-frame").domNode.appendChild(row);
 115
 116                                                 loaded_article_ids.push(row.id);
 117                                         }
 118                                 }
 119
 120                                 var hsp = $("headlines-spacer");
 121                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 122                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 123
 124                                 initHeadlinesMenu();
 125
 126                                 if (_infscroll_disable)
 127                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 128                                                 __("Click to open next unread feed.") + "</a>";
 129
 130                                 if (_search_query) {
 131                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 132                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 133                                                 "</span>";
 134                                 }
 135
 136                         } else {
 137
 138                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 139                                         console.log("adding some more headlines: " + headlines_count);
 140
 141                                         var c = dijit.byId("headlines-frame");
 142                                         var ids = getSelectedArticleIds2();
 143
 144                                         var hsp = $("headlines-spacer");
 145
 146                                         if (hsp)
 147                                                 c.domNode.removeChild(hsp);
 148
 149                                         var tmp = new Element("div");
 150                                         tmp.innerHTML = reply['headlines']['content'];
 151                                         dojo.parser.parse(tmp);
 152
 153                                         var new_rows = [];
 154
 155                                         while (tmp.hasChildNodes()) {
 156                                                 var row = tmp.removeChild(tmp.firstChild);
 157
 158                                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 159                                                         dijit.byId("headlines-frame").domNode.appendChild(row);
 160
 161                                                         loaded_article_ids.push(row.id);
 162
 163                                                         if (!isCdmMode() || row.hasClassName("cdmFeedTitle")) {
 164                                                                 new_rows.push(row);
 165                                                         } else if (isCdmMode()) {
 166                                                                 var titleWrap = $$("#" + row.id + " .titleWrap")[0];
 167
 168                                                                 if (titleWrap) {
 169                                                                         new_rows.push(titleWrap);
 170                                                                 }
 171                                                         }
 172                                                 }
 173                                         }
 174
 175                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 176                                         c.domNode.appendChild(hsp);
 177
 178                                         if (headlines_count < 30) _infscroll_disable = true;
 179
 180                                         console.log("restore selected ids: " + ids);
 181
 182                                         for (var i = 0; i < ids.length; i++) {
 183                                                 markHeadline(ids[i]);
 184                                         }
 185
 186                                         initHeadlinesMenu(new_rows);
 187
 188                                         if (_infscroll_disable) {
 189                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 190                                                 __("Click to open next unread feed.") + "</a>";
 191                                         }
 192
 193                                 } else {
 194                                         console.log("no new headlines received");
 195
 196                                         var first_id_changed = reply['headlines']['first_id_changed'];
 197                                         console.log("first id changed:" + first_id_changed);
 198
 199                                         var hsp = $("headlines-spacer");
 200
 201                                         if (hsp) {
 202                                                 if (first_id_changed) {
 203                                                         hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 204                                                         __("New articles found, reload feed to continue.") + "</a>";
 205                                                 } else {
 206                                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 207                                                         __("Click to open next unread feed.") + "</a>";
 208                                                 }
 209
 210                                         }
 211
 212                                 }
 213                         }
 214
 215                         if (articles) {
 216                                 for (var i = 0; i < articles.length; i++) {
 217                                         var a_id = articles[i]['id'];
 218                                         cache_set("article:" + a_id, articles[i]['content']);
 219                                 }
 220                         } else {
 221                                 console.log("no cached articles received");
 222                         }
 223
 224                         if (counters)
 225                                 parse_counters(counters);
 226                         else
 227                                 request_counters(true);
 228
 229                 } else {
 230                         console.error("Invalid object received: " + transport.responseText);
 231                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 232                                         __('Could not update headlines (invalid object received - see error console for details)') +
 233                                         "</div>");
 234                 }
 235
 236                 _infscroll_request_sent = 0;
 237                 _last_headlines_update = new Date().getTime();
 238
 239                 unpackVisibleHeadlines();
 240
 241                 // if we have some more space in the buffer, why not try to fill it
 242
 243                 if (!_infscroll_disable && $("headlines-spacer") &&
 244                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 245
 246                         window.setTimeout(function() {
 247                                 loadMoreHeadlines();
 248                         }, 250);
 249                 }
 250
 251                 notify("");
 252
 253         } catch (e) {
 254                 exception_error("headlines_callback2", e, transport);
 255         }
 256 }
 257
 258 function render_article(article) {
 259         try {
 260                 cleanup_memory("content-insert");
 261
 262                 dijit.byId("headlines-wrap-inner").addChild(
 263                                 dijit.byId("content-insert"));
 264
 265                 var c = dijit.byId("content-insert");
 266
 267                 try {
 268                         c.domNode.scrollTop = 0;
 269                 } catch (e) { };
 270
 271                 c.attr('content', article);
 272                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
 273
 274                 correctHeadlinesOffset(getActiveArticleId());
 275
 276                 try {
 277                         c.focus();
 278                 } catch (e) { };
 279
 280         } catch (e) {
 281                 exception_error("render_article", e);
 282         }
 283 }
 284
 285 function showArticleInHeadlines(id, noexpand) {
 286
 287         try {
 288                 var row = $("RROW-" + id);
 289                 if (!row) return;
 290
 291                 if (!noexpand)
 292                         row.removeClassName("Unread");
 293
 294                 row.addClassName("active");
 295
 296                 selectArticles('none');
 297
 298                 markHeadline(id);
 299
 300         } catch (e) {
 301                 exception_error("showArticleInHeadlines", e);
 302         }
 303 }
 304
 305 function article_callback2(transport, id) {
 306         try {
 307                 console.log("article_callback2 " + id);
 308
 309                 handle_rpc_json(transport);
 310
 311                 var reply = false;
 312
 313                 try {
 314                         reply = JSON.parse(transport.responseText);
 315                 } catch (e) {
 316                         console.error(e);
 317                 }
 318
 319                 if (reply) {
 320
 321                         reply.each(function(article) {
 322                                 if (getActiveArticleId() == article['id']) {
 323                                         render_article(article['content']);
 324                                 }
 325                                 cids_requested.remove(article['id']);
 326
 327                                 cache_set("article:" + article['id'], article['content']);
 328                         });
 329
 330 //                      if (id != last_requested_article) {
 331 //                              console.log("requested article id is out of sequence, aborting");
 332 //                              return;
 333 //                      }
 334
 335                 } else {
 336                         console.error("Invalid object received: " + transport.responseText);
 337
 338                         render_article("<div class='whiteBox'>" +
 339                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 340                 }
 341
 342                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 343                 request_counters(unread_in_buffer == 0);
 344
 345                 notify("");
 346         } catch (e) {
 347                 exception_error("article_callback2", e, transport);
 348         }
 349 }
 350
 351 function view(id, activefeed, noexpand) {
 352         try {
 353                 var oldrow = $("RROW-" + getActiveArticleId());
 354                 if (oldrow) oldrow.removeClassName("active");
 355
 356                 var crow = $("RROW-" + id);
 357
 358                 if (!crow) return;
 359                 if (noexpand) {
 360                         setActiveArticleId(id);
 361                         showArticleInHeadlines(id, noexpand);
 362                         return;
 363                 }
 364
 365                 console.log("loading article: " + id);
 366
 367                 var cached_article = cache_get("article:" + id);
 368
 369                 console.log("cache check result: " + (cached_article != false));
 370
 371                 var query = "?op=article&method=view&id=" + param_escape(id);
 372
 373                 var neighbor_ids = getRelativePostIds(id);
 374
 375                 /* only request uncached articles */
 376
 377                 var cids_to_request = [];
 378
 379                 for (var i = 0; i < neighbor_ids.length; i++) {
 380                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 381                                 if (!cache_get("article:" + neighbor_ids[i])) {
 382                                         cids_to_request.push(neighbor_ids[i]);
 383                                         cids_requested.push(neighbor_ids[i]);
 384                                 }
 385                 }
 386
 387                 console.log("additional ids: " + cids_to_request.toString());
 388
 389                 query = query + "&cids=" + cids_to_request.toString();
 390
 391                 var article_is_unread = crow.hasClassName("Unread");
 392
 393                 setActiveArticleId(id);
 394                 showArticleInHeadlines(id);
 395
 396                 if (cached_article && article_is_unread) {
 397
 398                         query = query + "&mode=prefetch";
 399
 400                         render_article(cached_article);
 401
 402                 } else if (cached_article) {
 403
 404                         query = query + "&mode=prefetch_old";
 405                         render_article(cached_article);
 406
 407                         // if we don't need to request any relative ids, we might as well skip
 408                         // the server roundtrip altogether
 409                         if (cids_to_request.length == 0) {
 410                                 return;
 411                         }
 412                 }
 413
 414                 last_requested_article = id;
 415
 416                 console.log(query);
 417
 418                 if (article_is_unread) {
 419                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 420                 }
 421
 422                 new Ajax.Request("backend.php", {
 423                         parameters: query,
 424                         onComplete: function(transport) {
 425                                 article_callback2(transport, id);
 426                         } });
 427
 428                 return false;
 429
 430         } catch (e) {
 431                 exception_error("view", e);
 432         }
 433 }
 434
 435 function toggleMark(id, client_only) {
 436         try {
 437                 var query = "?op=rpc&id=" + id + "&method=mark";
 438
 439                 var row = $("RROW-" + id);
 440                 if (!row) return;
 441
 442                 var imgs = [];
 443
 444                 var row_imgs = row.getElementsByClassName("markedPic");
 445
 446                 for (var i = 0; i < row_imgs.length; i++)
 447                         imgs.push(row_imgs[i]);
 448
 449                 var ft = $("floatingTitle");
 450
 451                 if (ft && ft.getAttribute("data-article-id") == id) {
 452                         var fte = ft.getElementsByClassName("markedPic");
 453
 454                         for (var i = 0; i < fte.length; i++)
 455                                 imgs.push(fte[i]);
 456                 }
 457
 458                 for (i = 0; i < imgs.length; i++) {
 459                         var img = imgs[i];
 460
 461                         if (!row.hasClassName("marked")) {
 462                                 img.src = img.src.replace("mark_unset", "mark_set");
 463                                 img.alt = __("Unstar article");
 464                                 query = query + "&mark=1";
 465                         } else {
 466                                 img.src = img.src.replace("mark_set", "mark_unset");
 467                                 img.alt = __("Star article");
 468                                 query = query + "&mark=0";
 469                         }
 470                 }
 471
 472                 row.toggleClassName("marked");
 473
 474                 if (!client_only) {
 475                         new Ajax.Request("backend.php", {
 476                                 parameters: query,
 477                                 onComplete: function(transport) {
 478                                         handle_rpc_json(transport);
 479                                 } });
 480                 }
 481
 482         } catch (e) {
 483                 exception_error("toggleMark", e);
 484         }
 485 }
 486
 487 function togglePub(id, client_only, no_effects, note) {
 488         try {
 489                 var query = "?op=rpc&id=" + id + "&method=publ";
 490
 491                 if (note != undefined) {
 492                         query = query + "&note=" + param_escape(note);
 493                 } else {
 494                         query = query + "&note=undefined";
 495                 }
 496
 497                 var row = $("RROW-" + id);
 498                 if (!row) return;
 499
 500                 var imgs = [];
 501
 502                 var row_imgs = row.getElementsByClassName("pubPic");
 503
 504                 for (var i = 0; i < row_imgs.length; i++)
 505                         imgs.push(row_imgs[i]);
 506
 507                 var ft = $("floatingTitle");
 508
 509                 if (ft && ft.getAttribute("data-article-id") == id) {
 510                         var fte = ft.getElementsByClassName("pubPic");
 511
 512                         for (var i = 0; i < fte.length; i++)
 513                                 imgs.push(fte[i]);
 514                 }
 515
 516                 for (i = 0; i < imgs.length; i++) {
 517                         var img = imgs[i];
 518
 519                         if (!row.hasClassName("published") || note != undefined) {
 520                                 img.src = img.src.replace("pub_unset", "pub_set");
 521                                 img.alt = __("Unpublish article");
 522                                 query = query + "&pub=1";
 523                         } else {
 524                                 img.src = img.src.replace("pub_set", "pub_unset");
 525                                 img.alt = __("Publish article");
 526                                 query = query + "&pub=0";
 527                         }
 528                 }
 529
 530                 if (note != undefined)
 531                         row.addClassName("published");
 532                 else
 533                         row.toggleClassName("published");
 534
 535                 if (!client_only) {
 536                         new Ajax.Request("backend.php", {
 537                                 parameters: query,
 538                                 onComplete: function(transport) {
 539                                         handle_rpc_json(transport);
 540                                 } });
 541                 }
 542
 543         } catch (e) {
 544                 exception_error("togglePub", e);
 545         }
 546 }
 547
 548 function moveToPost(mode, noscroll, noexpand) {
 549
 550         try {
 551
 552                 var rows = getLoadedArticleIds();
 553
 554                 var prev_id = false;
 555                 var next_id = false;
 556
 557                 if (!$('RROW-' + getActiveArticleId())) {
 558                         setActiveArticleId(0);
 559                 }
 560
 561                 if (!getActiveArticleId()) {
 562                         next_id = rows[0];
 563                         prev_id = rows[rows.length-1]
 564                 } else {
 565                         for (var i = 0; i < rows.length; i++) {
 566                                 if (rows[i] == getActiveArticleId()) {
 567
 568                                         // Account for adjacent identical article ids.
 569                                         if (i > 0) prev_id = rows[i-1];
 570
 571                                         for (var j = i+1; j < rows.length; j++) {
 572                                                 if (rows[j] != getActiveArticleId()) {
 573                                                         next_id = rows[j];
 574                                                         break;
 575                                                 }
 576                                         }
 577                                         break;
 578                                 }
 579                         }
 580                 }
 581
 582                 console.log("cur: " + getActiveArticleId() + " next: " + next_id);
 583
 584                 if (mode == "next") {
 585                         if (next_id || getActiveArticleId()) {
 586                                 if (isCdmMode()) {
 587
 588                                         var article = $("RROW-" + getActiveArticleId());
 589                                         var ctr = $("headlines-frame");
 590
 591                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 592                                                         ctr.scrollTop + ctr.offsetHeight) {
 593
 594                                                 scrollArticle(ctr.offsetHeight/4);
 595
 596                                         } else if (next_id) {
 597                                                 cdmExpandArticle(next_id, noexpand);
 598                                                 cdmScrollToArticleId(next_id, true);
 599                                         }
 600
 601                                 } else if (next_id) {
 602                                         correctHeadlinesOffset(next_id);
 603                                         view(next_id, getActiveFeedId(), noexpand);
 604                                 }
 605                         }
 606                 }
 607
 608                 if (mode == "prev") {
 609                         if (prev_id || getActiveArticleId()) {
 610                                 if (isCdmMode()) {
 611
 612                                         var article = $("RROW-" + getActiveArticleId());
 613                                         var prev_article = $("RROW-" + prev_id);
 614                                         var ctr = $("headlines-frame");
 615
 616                                         if (!getInitParam("cdm_expanded")) {
 617
 618                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 619                                                         scrollArticle(-ctr.offsetHeight/4);
 620                                                 } else {
 621                                                         cdmExpandArticle(prev_id, noexpand);
 622                                                         cdmScrollToArticleId(prev_id, true);
 623                                                 }
 624                                         } else {
 625
 626                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 627                                                         scrollArticle(-ctr.offsetHeight/3);
 628                                                 } else if (!noscroll && prev_article &&
 629                                                                 prev_article.offsetTop < ctr.scrollTop) {
 630                                                         cdmExpandArticle(prev_id, noexpand);
 631                                                         scrollArticle(-ctr.offsetHeight/4);
 632                                                 } else if (prev_id) {
 633                                                         cdmExpandArticle(prev_id, noexpand);
 634                                                         cdmScrollToArticleId(prev_id, noscroll);
 635                                                 }
 636                                         }
 637
 638                                 } else if (prev_id) {
 639                                         correctHeadlinesOffset(prev_id);
 640                                         view(prev_id, getActiveFeedId(), noexpand);
 641                                 }
 642                         }
 643                 }
 644
 645         } catch (e) {
 646                 exception_error("moveToPost", e);
 647         }
 648 }
 649
 650 function toggleSelected(id, force_on) {
 651         try {
 652                 var row = $("RROW-" + id);
 653
 654                 if (row) {
 655                         var cb = dijit.getEnclosingWidget(
 656                                         row.getElementsByClassName("rchk")[0]);
 657
 658                         if (row.hasClassName('Selected') && !force_on) {
 659                                 row.removeClassName('Selected');
 660                                 if (cb) cb.attr("checked", false);
 661                         } else {
 662                                 row.addClassName('Selected');
 663                                 if (cb) cb.attr("checked", true);
 664                         }
 665                 }
 666
 667                 updateSelectedPrompt();
 668         } catch (e) {
 669                 exception_error("toggleSelected", e);
 670         }
 671 }
 672
 673 function updateSelectedPrompt() {
 674         try {
 675                 var count = getSelectedArticleIds2().size();
 676                 var elem = $("selected_prompt");
 677
 678                 if (elem) {
 679                         elem.innerHTML = ngettext("%d article selected",
 680                                         "%d articles selected", count).replace("%d", count);
 681
 682                         if (count > 0)
 683                                 Element.show(elem);
 684                         else
 685                                 Element.hide(elem);
 686                 }
 687
 688         } catch (e) {
 689                 exception_error("updateSelectedPrompt", e);
 690         }
 691 }
 692
 693 function toggleUnread(id, cmode, effect) {
 694         try {
 695
 696                 var row = $("RROW-" + id);
 697                 if (row) {
 698                         var tmpClassName = row.className;
 699
 700                         if (cmode == undefined || cmode == 2) {
 701                                 if (row.hasClassName("Unread")) {
 702                                         row.removeClassName("Unread");
 703
 704                                 } else {
 705                                         row.addClassName("Unread");
 706                                 }
 707
 708                         } else if (cmode == 0) {
 709
 710                                 row.removeClassName("Unread");
 711
 712                         } else if (cmode == 1) {
 713                                 row.addClassName("Unread");
 714                         }
 715
 716                         if (cmode == undefined) cmode = 2;
 717
 718                         var query = "?op=rpc&method=catchupSelected" +
 719                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 720
 721 //                      notify_progress("Loading, please wait...");
 722
 723                         if (tmpClassName != row.className) {
 724                                 new Ajax.Request("backend.php", {
 725                                         parameters: query,
 726                                         onComplete: function (transport) {
 727                                                 handle_rpc_json(transport);
 728                                         }
 729                                 });
 730                         }
 731
 732                 }
 733
 734         } catch (e) {
 735                 exception_error("toggleUnread", e);
 736         }
 737 }
 738
 739 function selectionRemoveLabel(id, ids) {
 740         try {
 741
 742                 if (!ids) ids = getSelectedArticleIds2();
 743
 744                 if (ids.length == 0) {
 745                         alert(__("No articles are selected."));
 746                         return;
 747                 }
 748
 749                 var query = "?op=article&method=removeFromLabel&ids=" +
 750                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 751
 752                 console.log(query);
 753
 754                 new Ajax.Request("backend.php", {
 755                         parameters: query,
 756                         onComplete: function(transport) {
 757                                 handle_rpc_json(transport);
 758                                 show_labels_in_headlines(transport);
 759                         } });
 760
 761         } catch (e) {
 762                 exception_error("selectionAssignLabel", e);
 763
 764         }
 765 }
 766
 767 function selectionAssignLabel(id, ids) {
 768         try {
 769
 770                 if (!ids) ids = getSelectedArticleIds2();
 771
 772                 if (ids.length == 0) {
 773                         alert(__("No articles are selected."));
 774                         return;
 775                 }
 776
 777                 var query = "?op=article&method=assignToLabel&ids=" +
 778                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 779
 780                 console.log(query);
 781
 782                 new Ajax.Request("backend.php", {
 783                         parameters: query,
 784                         onComplete: function(transport) {
 785                                 handle_rpc_json(transport);
 786                                 show_labels_in_headlines(transport);
 787                         } });
 788
 789         } catch (e) {
 790                 exception_error("selectionAssignLabel", e);
 791
 792         }
 793 }
 794
 795 function selectionToggleUnread(set_state, callback, no_error, ids) {
 796         try {
 797                 var rows = ids ? ids : getSelectedArticleIds2();
 798
 799                 if (rows.length == 0 && !no_error) {
 800                         alert(__("No articles are selected."));
 801                         return;
 802                 }
 803
 804                 for (var i = 0; i < rows.length; i++) {
 805                         var row = $("RROW-" + rows[i]);
 806                         if (row) {
 807                                 if (set_state == undefined) {
 808                                         if (row.hasClassName("Unread")) {
 809                                                 row.removeClassName("Unread");
 810                                         } else {
 811                                                 row.addClassName("Unread");
 812                                         }
 813                                 }
 814
 815                                 if (set_state == false) {
 816                                         row.removeClassName("Unread");
 817                                 }
 818
 819                                 if (set_state == true) {
 820                                         row.addClassName("Unread");
 821                                 }
 822                         }
 823                 }
 824
 825                 updateFloatingTitle(true);
 826
 827                 if (rows.length > 0) {
 828
 829                         var cmode = "";
 830
 831                         if (set_state == undefined) {
 832                                 cmode = "2";
 833                         } else if (set_state == true) {
 834                                 cmode = "1";
 835                         } else if (set_state == false) {
 836                                 cmode = "0";
 837                         }
 838
 839                         var query = "?op=rpc&method=catchupSelected" +
 840                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 841
 842                         notify_progress("Loading, please wait...");
 843
 844                         new Ajax.Request("backend.php", {
 845                                 parameters: query,
 846                                 onComplete: function(transport) {
 847                                         handle_rpc_json(transport);
 848                                         if (callback) callback(transport);
 849                                 } });
 850
 851                 }
 852
 853         } catch (e) {
 854                 exception_error("selectionToggleUnread", e);
 855         }
 856 }
 857
 858 // sel_state ignored
 859 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 860         try {
 861
 862                 var rows = ids ? ids : getSelectedArticleIds2();
 863
 864                 if (rows.length == 0 && !no_error) {
 865                         alert(__("No articles are selected."));
 866                         return;
 867                 }
 868
 869                 for (var i = 0; i < rows.length; i++) {
 870                         toggleMark(rows[i], true, true);
 871                 }
 872
 873                 if (rows.length > 0) {
 874
 875                         var query = "?op=rpc&method=markSelected&ids=" +
 876                                 param_escape(rows.toString()) + "&cmode=2";
 877
 878                         new Ajax.Request("backend.php", {
 879                                 parameters: query,
 880                                 onComplete: function(transport) {
 881                                         handle_rpc_json(transport);
 882                                         if (callback) callback(transport);
 883                                 } });
 884
 885                 }
 886
 887         } catch (e) {
 888                 exception_error("selectionToggleMarked", e);
 889         }
 890 }
 891
 892 // sel_state ignored
 893 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 894         try {
 895
 896                 var rows = ids ? ids : getSelectedArticleIds2();
 897
 898                 if (rows.length == 0 && !no_error) {
 899                         alert(__("No articles are selected."));
 900                         return;
 901                 }
 902
 903                 for (var i = 0; i < rows.length; i++) {
 904                         togglePub(rows[i], true, true);
 905                 }
 906
 907                 if (rows.length > 0) {
 908
 909                         var query = "?op=rpc&method=publishSelected&ids=" +
 910                                 param_escape(rows.toString()) + "&cmode=2";
 911
 912                         new Ajax.Request("backend.php", {
 913                                 parameters: query,
 914                                 onComplete: function(transport) {
 915                                         handle_rpc_json(transport);
 916                                 } });
 917
 918                 }
 919
 920         } catch (e) {
 921                 exception_error("selectionToggleMarked", e);
 922         }
 923 }
 924
 925 function getSelectedArticleIds2() {
 926
 927         var rv = [];
 928
 929         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 930                 function(child) {
 931                         rv.push(child.getAttribute("data-article-id"));
 932                 });
 933
 934         return rv;
 935 }
 936
 937 function getLoadedArticleIds() {
 938         var rv = [];
 939
 940         var children = $$("#headlines-frame > div[id*=RROW-]");
 941
 942         children.each(function(child) {
 943                 if (Element.visible(child)) {
 944                         rv.push(child.getAttribute("data-article-id"));
 945                 }
 946         });
 947
 948         return rv;
 949
 950 }
 951
 952 // mode = all,none,unread,invert,marked,published
 953 function selectArticles(mode, query) {
 954         try {
 955
 956                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 957
 958                 var children = $$(query);
 959
 960                 children.each(function(child) {
 961                         var id = child.getAttribute("data-article-id");
 962
 963                         var cb = dijit.getEnclosingWidget(
 964                                         child.getElementsByClassName("rchk")[0]);
 965
 966                         if (mode == "all") {
 967                                 child.addClassName("Selected");
 968                                 if (cb) cb.attr("checked", true);
 969                         } else if (mode == "unread") {
 970                                 if (child.hasClassName("Unread")) {
 971                                         child.addClassName("Selected");
 972                                         if (cb) cb.attr("checked", true);
 973                                 } else {
 974                                         child.removeClassName("Selected");
 975                                         if (cb) cb.attr("checked", false);
 976                                 }
 977                         } else if (mode == "marked") {
 978                                 if (child.hasClassName("marked")) {
 979                                         child.addClassName("Selected");
 980                                         if (cb) cb.attr("checked", true);
 981                                 } else {
 982                                         child.removeClassName("Selected");
 983                                         if (cb) cb.attr("checked", false);
 984                                 }
 985                         } else if (mode == "published") {
 986                                 if (child.hasClassName("published")) {
 987                                         child.addClassName("Selected");
 988                                         if (cb) cb.attr("checked", true);
 989                                 } else {
 990                                         child.removeClassName("Selected");
 991                                         if (cb) cb.attr("checked", false);
 992                                 }
 993
 994                         } else if (mode == "invert") {
 995                                 if (child.hasClassName("Selected")) {
 996                                         child.removeClassName("Selected");
 997                                         if (cb) cb.attr("checked", false);
 998                                 } else {
 999                                         child.addClassName("Selected");
1000                                         if (cb) cb.attr("checked", true);
1001                                 }
1002
1003                         } else {
1004                                 child.removeClassName("Selected");
1005                                 if (cb) cb.attr("checked", false);
1006                         }
1007                 });
1008
1009                 updateSelectedPrompt();
1010
1011         } catch (e) {
1012                 exception_error("selectArticles", e);
1013         }
1014 }
1015
1016 function deleteSelection() {
1017
1018         try {
1019
1020                 var rows = getSelectedArticleIds2();
1021
1022                 if (rows.length == 0) {
1023                         alert(__("No articles are selected."));
1024                         return;
1025                 }
1026
1027                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1028                 var str;
1029
1030                 if (getActiveFeedId() != 0) {
1031                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1032                 } else {
1033                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1034                 }
1035
1036                 str = str.replace("%d", rows.length);
1037                 str = str.replace("%s", fn);
1038
1039                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1040                         return;
1041                 }
1042
1043                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1044
1045                 console.log(query);
1046
1047                 new Ajax.Request("backend.php", {
1048                         parameters: query,
1049                         onComplete: function(transport) {
1050                                         handle_rpc_json(transport);
1051                                         viewCurrentFeed();
1052                                 } });
1053
1054         } catch (e) {
1055                 exception_error("deleteSelection", e);
1056         }
1057 }
1058
1059 function archiveSelection() {
1060
1061         try {
1062
1063                 var rows = getSelectedArticleIds2();
1064
1065                 if (rows.length == 0) {
1066                         alert(__("No articles are selected."));
1067                         return;
1068                 }
1069
1070                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1071                 var str;
1072                 var op;
1073
1074                 if (getActiveFeedId() != 0) {
1075                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1076                         op = "archive";
1077                 } else {
1078                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1079
1080                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1081
1082                         op = "unarchive";
1083                 }
1084
1085                 str = str.replace("%d", rows.length);
1086                 str = str.replace("%s", fn);
1087
1088                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1089                         return;
1090                 }
1091
1092                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1093
1094                 console.log(query);
1095
1096                 for (var i = 0; i < rows.length; i++) {
1097                         cache_delete("article:" + rows[i]);
1098                 }
1099
1100                 new Ajax.Request("backend.php", {
1101                         parameters: query,
1102                         onComplete: function(transport) {
1103                                         handle_rpc_json(transport);
1104                                         viewCurrentFeed();
1105                                 } });
1106
1107         } catch (e) {
1108                 exception_error("archiveSelection", e);
1109         }
1110 }
1111
1112 function catchupSelection() {
1113
1114         try {
1115
1116                 var rows = getSelectedArticleIds2();
1117
1118                 if (rows.length == 0) {
1119                         alert(__("No articles are selected."));
1120                         return;
1121                 }
1122
1123                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1124
1125                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1126
1127                 str = str.replace("%d", rows.length);
1128                 str = str.replace("%s", fn);
1129
1130                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1131                         return;
1132                 }
1133
1134                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1135
1136         } catch (e) {
1137                 exception_error("catchupSelection", e);
1138         }
1139 }
1140
1141 function editArticleTags(id) {
1142                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1143
1144                 if (dijit.byId("editTagsDlg"))
1145                         dijit.byId("editTagsDlg").destroyRecursive();
1146
1147                 dialog = new dijit.Dialog({
1148                         id: "editTagsDlg",
1149                         title: __("Edit article Tags"),
1150                         style: "width: 600px",
1151                         execute: function() {
1152                                 if (this.validate()) {
1153                                         var query = dojo.objectToQuery(this.attr('value'));
1154
1155                                         notify_progress("Saving article tags...", true);
1156
1157                                         new Ajax.Request("backend.php", {
1158                                         parameters: query,
1159                                         onComplete: function(transport) {
1160                                                 try {
1161                                                         notify('');
1162                                                         dialog.hide();
1163
1164                                                         var data = JSON.parse(transport.responseText);
1165
1166                                                         if (data) {
1167                                                                 var id = data.id;
1168
1169                                                                 console.log(id);
1170
1171                                                                 var tags = $("ATSTR-" + id);
1172                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1173
1174                                                                 if (tags) tags.innerHTML = data.content;
1175                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1176                                                         }
1177                                                 } catch (e) {
1178                                                         exception_error("editArticleTags/inner", e);
1179                                                 }
1180
1181                                         }});
1182                                 }
1183                         },
1184                         href: query
1185                 });
1186
1187                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1188                         dojo.disconnect(tmph);
1189
1190                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1191                            "backend.php?op=article&method=completeTags",
1192                            { tokens: ',', paramName: "search" });
1193                 });
1194
1195                 dialog.show();
1196
1197 }
1198
1199 function cdmScrollToArticleId(id, force) {
1200         try {
1201                 var ctr = $("headlines-frame");
1202                 var e = $("RROW-" + id);
1203
1204                 if (!e || !ctr) return;
1205
1206                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1207                                 e.offsetTop < ctr.scrollTop) {
1208
1209                         // expanded cdm has a 4px margin now
1210                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1211                 }
1212
1213         } catch (e) {
1214                 exception_error("cdmScrollToArticleId", e);
1215         }
1216 }
1217
1218 function setActiveArticleId(id) {
1219         console.log("setActiveArticleId:" + id);
1220
1221         _active_article_id = id;
1222         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1223 }
1224
1225 function getActiveArticleId() {
1226         return _active_article_id;
1227 }
1228
1229 function postMouseIn(e, id) {
1230         post_under_pointer = id;
1231 }
1232
1233 function postMouseOut(id) {
1234         post_under_pointer = false;
1235 }
1236
1237 function unpackVisibleHeadlines() {
1238         try {
1239                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1240
1241                 $$("#headlines-frame > div[id*=RROW]").each(
1242                         function(child) {
1243                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1244                                         $("headlines-frame").offsetHeight) {
1245
1246                                         var cencw = $("CENCW-" + child.getAttribute("data-article-id"));
1247
1248                                         if (cencw) {
1249                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1250                                                 cencw.setAttribute('id', '');
1251
1252                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1253
1254                                                 Element.show(cencw);
1255                                         }
1256                                 }
1257                         }
1258                 );
1259
1260         } catch (e) {
1261                 exception_error("unpackVisibleHeadlines", e);
1262         }
1263 }
1264
1265 function headlines_scroll_handler(e) {
1266         try {
1267
1268                 // rate-limit in case of smooth scrolling and similar abominations
1269                 if (Math.max(e.scrollTop, _headlines_scroll_offset) - Math.min(e.scrollTop, _headlines_scroll_offset) < 25) {
1270                         return;
1271                 }
1272
1273                 _headlines_scroll_offset = e.scrollTop;
1274
1275                 var hsp = $("headlines-spacer");
1276
1277                 unpackVisibleHeadlines();
1278
1279                 // set topmost child in the buffer as active
1280                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1281                                 getSelectedArticleIds2().length <= 1 &&
1282                                 getInitParam("cdm_expanded")) {
1283
1284                         var rows = $$("#headlines-frame > div[id*=RROW]");
1285
1286                         for (var i = 0; i < rows.length; i++) {
1287                                 var child = rows[i];
1288
1289                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1290                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1291                                         child.getAttribute("data-article-id") != _active_article_id) {
1292
1293                                         if (_active_article_id) {
1294                                                 var row = $("RROW-" + _active_article_id);
1295                                                 if (row) row.removeClassName("active");
1296                                         }
1297
1298                                         _active_article_id = child.getAttribute("data-article-id");
1299                                         showArticleInHeadlines(_active_article_id, true);
1300                                         updateSelectedPrompt();
1301                                         break;
1302                                 }
1303                         }
1304                 }
1305
1306                 if (!_infscroll_disable) {
1307                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1308
1309                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1310                                         __("Loading, please wait...") + "</span>";
1311
1312                                 loadMoreHeadlines();
1313                                 return;
1314
1315                         }
1316                 }
1317
1318                 if (isCdmMode()) {
1319                         updateFloatingTitle();
1320                 }
1321
1322                 catchupCurrentBatchIfNeeded();
1323
1324                 if (getInitParam("cdm_auto_catchup") == 1) {
1325
1326                         // let's get DOM some time to settle down
1327                         var ts = new Date().getTime();
1328                         if (ts - _last_headlines_update < 100) return;
1329
1330                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1331                                 function(child) {
1332                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1333                                                         (child.offsetTop + child.offsetHeight/2)) {
1334
1335                                                 var id = child.getAttribute("data-article-id")
1336
1337                                                 if (catchup_id_batch.indexOf(id) == -1)
1338                                                         catchup_id_batch.push(id);
1339
1340                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1341                                         }
1342
1343                                 });
1344
1345                         if (_infscroll_disable) {
1346                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1347
1348                                 if (child && $("headlines-frame").scrollTop >
1349                                                 (child.offsetTop + child.offsetHeight - 50)) {
1350
1351                                         console.log("we seem to be at an end");
1352
1353                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1354                                                 openNextUnreadFeed();
1355                                         }
1356                                 }
1357                         }
1358                 }
1359
1360         } catch (e) {
1361                 console.warn("headlines_scroll_handler: " + e);
1362         }
1363 }
1364
1365 function openNextUnreadFeed() {
1366         try {
1367                 var is_cat = activeFeedIsCat();
1368                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1369                 if (nuf) viewfeed({feed: nuf, is_cat: is_cat});
1370         } catch (e) {
1371                 exception_error("openNextUnreadFeed", e);
1372         }
1373 }
1374
1375 function catchupBatchedArticles() {
1376         try {
1377                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1378
1379                         console.log("catchupBatchedArticles: working");
1380
1381                         // make a copy of the array
1382                         var batch = catchup_id_batch.slice();
1383                         var query = "?op=rpc&method=catchupSelected" +
1384                                 "&cmode=0&ids=" + param_escape(batch.toString());
1385
1386                         console.log(query);
1387
1388                         _catchup_request_sent = true;
1389
1390                         new Ajax.Request("backend.php", {
1391                                 parameters: query,
1392                                 onComplete: function(transport) {
1393                                         handle_rpc_json(transport);
1394
1395                                         _catchup_request_sent = false;
1396
1397                                         reply = JSON.parse(transport.responseText);
1398                                         var batch = reply.ids;
1399
1400                                         batch.each(function(id) {
1401                                                 console.log(id);
1402                                                 var elem = $("RROW-" + id);
1403                                                 if (elem) elem.removeClassName("Unread");
1404                                                 catchup_id_batch.remove(id);
1405                                         });
1406
1407                                         updateFloatingTitle(true);
1408
1409                                 } });
1410                 }
1411
1412         } catch (e) {
1413                 exception_error("catchupBatchedArticles", e);
1414         }
1415 }
1416
1417 function catchupRelativeToArticle(below, id) {
1418
1419         try {
1420
1421                 if (!id) id = getActiveArticleId();
1422
1423                 if (!id) {
1424                         alert(__("No article is selected."));
1425                         return;
1426                 }
1427
1428                 var visible_ids = getLoadedArticleIds();
1429
1430                 var ids_to_mark = new Array();
1431
1432                 if (!below) {
1433                         for (var i = 0; i < visible_ids.length; i++) {
1434                                 if (visible_ids[i] != id) {
1435                                         var e = $("RROW-" + visible_ids[i]);
1436
1437                                         if (e && e.hasClassName("Unread")) {
1438                                                 ids_to_mark.push(visible_ids[i]);
1439                                         }
1440                                 } else {
1441                                         break;
1442                                 }
1443                         }
1444                 } else {
1445                         for (var i = visible_ids.length-1; i >= 0; i--) {
1446                                 if (visible_ids[i] != id) {
1447                                         var e = $("RROW-" + visible_ids[i]);
1448
1449                                         if (e && e.hasClassName("Unread")) {
1450                                                 ids_to_mark.push(visible_ids[i]);
1451                                         }
1452                                 } else {
1453                                         break;
1454                                 }
1455                         }
1456                 }
1457
1458                 if (ids_to_mark.length == 0) {
1459                         alert(__("No articles found to mark"));
1460                 } else {
1461                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1462
1463                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1464
1465                                 for (var i = 0; i < ids_to_mark.length; i++) {
1466                                         var e = $("RROW-" + ids_to_mark[i]);
1467                                         e.removeClassName("Unread");
1468                                 }
1469
1470                                 var query = "?op=rpc&method=catchupSelected" +
1471                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1472
1473                                 new Ajax.Request("backend.php", {
1474                                         parameters: query,
1475                                         onComplete: function(transport) {
1476                                                 handle_rpc_json(transport);
1477                                         } });
1478
1479                         }
1480                 }
1481
1482         } catch (e) {
1483                 exception_error("catchupRelativeToArticle", e);
1484         }
1485 }
1486
1487 function cdmCollapseArticle(event, id, unmark) {
1488         try {
1489                 if (unmark == undefined) unmark = true;
1490
1491                 var row = $("RROW-" + id);
1492                 var elem = $("CICD-" + id);
1493
1494                 if (elem && row) {
1495                         var collapse = $$("div#RROW-" + id +
1496                                 " span[class='collapseBtn']")[0];
1497
1498                         Element.hide(elem);
1499                         Element.show("CEXC-" + id);
1500                         Element.hide(collapse);
1501
1502                         if (unmark) {
1503                                 row.removeClassName("active");
1504
1505                                 markHeadline(id, false);
1506
1507                                 if (id == getActiveArticleId()) {
1508                                         setActiveArticleId(0);
1509                                 }
1510
1511                                 updateSelectedPrompt();
1512                         }
1513
1514                         if (event) Event.stop(event);
1515
1516                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1517
1518                         if (row.offsetTop < $("headlines-frame").scrollTop)
1519                                 scrollToRowId(row.id);
1520
1521                         $("floatingTitle").style.visibility = "hidden";
1522                         $("floatingTitle").setAttribute("data-article-id", 0);
1523                 }
1524
1525         } catch (e) {
1526                 exception_error("cdmCollapseArticle", e);
1527         }
1528 }
1529
1530 function cdmExpandArticle(id, noexpand) {
1531         try {
1532                 console.log("cdmExpandArticle " + id);
1533
1534                 if (!$("RROW-" + id)) return false;
1535
1536                 var oldrow = $("RROW-" + getActiveArticleId());
1537
1538                 var elem = $("CICD-" + getActiveArticleId());
1539
1540                 if (id == getActiveArticleId() && Element.visible(elem))
1541                         return true;
1542
1543                 selectArticles("none");
1544
1545                 var old_offset = $("RROW-" + id).offsetTop;
1546
1547                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1548                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1549                                 " span[class='collapseBtn']")[0];
1550
1551                         Element.hide(elem);
1552                         Element.show("CEXC-" + getActiveArticleId());
1553                         Element.hide(collapse);
1554                 }
1555
1556                 if (oldrow) oldrow.removeClassName("active");
1557
1558                 setActiveArticleId(id);
1559
1560                 elem = $("CICD-" + id);
1561
1562                 var collapse = $$("div#RROW-" + id +
1563                                 " span[class='collapseBtn']")[0];
1564
1565                 var cencw = $("CENCW-" + id);
1566
1567                 if (!Element.visible(elem) && !noexpand) {
1568                         if (cencw) {
1569                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1570                                 cencw.setAttribute('id', '');
1571                                 Element.show(cencw);
1572                         }
1573
1574                         Element.show(elem);
1575                         Element.hide("CEXC-" + id);
1576                         Element.show(collapse);
1577                 }
1578
1579                 var new_offset = $("RROW-" + id).offsetTop;
1580
1581                 if (old_offset > new_offset)
1582                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1583
1584                 if (!noexpand) {
1585                         if (catchup_id_batch.indexOf(id) == -1)
1586                                 catchup_id_batch.push(id);
1587
1588                         catchupCurrentBatchIfNeeded();
1589                 }
1590
1591                 toggleSelected(id);
1592                 $("RROW-" + id).addClassName("active");
1593
1594                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1595
1596         } catch (e) {
1597                 exception_error("cdmExpandArticle", e);
1598         }
1599
1600         return false;
1601 }
1602
1603 function getArticleUnderPointer() {
1604         return post_under_pointer;
1605 }
1606
1607 function scrollArticle(offset) {
1608         try {
1609                 if (!isCdmMode()) {
1610                         var ci = $("content-insert");
1611                         if (ci) {
1612                                 ci.scrollTop += offset;
1613                         }
1614                 } else {
1615                         var hi = $("headlines-frame");
1616                         if (hi) {
1617                                 hi.scrollTop += offset;
1618                         }
1619
1620                 }
1621         } catch (e) {
1622                 exception_error("scrollArticle", e);
1623         }
1624 }
1625
1626 function show_labels_in_headlines(transport) {
1627         try {
1628                 var data = JSON.parse(transport.responseText);
1629
1630                 if (data) {
1631                         data['info-for-headlines'].each(function(elem) {
1632                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1633                                         ctr.innerHTML = elem.labels;
1634                                 });
1635                         });
1636                 }
1637         } catch (e) {
1638                 exception_error("show_labels_in_headlines", e);
1639         }
1640 }
1641
1642 function cdmClicked(event, id) {
1643         try {
1644                 //var shift_key = event.shiftKey;
1645
1646                 if (!event.ctrlKey && !event.metaKey) {
1647
1648                         if (!getInitParam("cdm_expanded")) {
1649                                 return cdmExpandArticle(id);
1650                         } else {
1651
1652                                 var elem = $("RROW-" + getActiveArticleId());
1653
1654                                 if (elem) elem.removeClassName("active");
1655
1656                                 selectArticles("none");
1657                                 toggleSelected(id);
1658
1659                                 var elem = $("RROW-" + id);
1660                                 var article_is_unread = elem.hasClassName("Unread");
1661
1662                                 elem.removeClassName("Unread");
1663                                 elem.addClassName("active");
1664
1665                                 setActiveArticleId(id);
1666
1667                                 if (article_is_unread) {
1668                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1669                                         updateFloatingTitle(true);
1670                                 }
1671
1672                                 var query = "?op=rpc&method=catchupSelected" +
1673                                         "&cmode=0&ids=" + param_escape(id);
1674
1675                                 new Ajax.Request("backend.php", {
1676                                         parameters: query,
1677                                         onComplete: function(transport) {
1678                                                 handle_rpc_json(transport);
1679                                         } });
1680
1681                                 return !event.shiftKey;
1682                         }
1683
1684                 } else if (event.target.parents(".cdmHeader").length > 0) {
1685
1686                         toggleSelected(id, true);
1687
1688                         var elem = $("RROW-" + id);
1689                         var article_is_unread = elem.hasClassName("Unread");
1690
1691                         if (article_is_unread) {
1692                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1693                         }
1694
1695                         toggleUnread(id, 0, false);
1696
1697                         openArticleInNewWindow(id);
1698                 }
1699
1700                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1701                 request_counters(unread_in_buffer == 0);
1702
1703         } catch (e) {
1704                 exception_error("cdmClicked");
1705         }
1706
1707         return false;
1708 }
1709
1710 function hlClicked(event, id) {
1711         try {
1712                 if (event.which == 2) {
1713                         view(id);
1714                         return true;
1715                 } else if (event.ctrlKey || event.metaKey) {
1716                         toggleSelected(id, true);
1717                         toggleUnread(id, 0, false);
1718                         openArticleInNewWindow(id);
1719                         return false;
1720                 } else {
1721                         view(id);
1722                         return false;
1723                 }
1724
1725         } catch (e) {
1726                 exception_error("hlClicked");
1727         }
1728 }
1729
1730 function openArticleInNewWindow(id) {
1731         toggleUnread(id, 0, false);
1732         window.open("backend.php?op=article&method=redirect&id=" + id);
1733 }
1734
1735 function isCdmMode() {
1736         return getInitParam("combined_display_mode");
1737 }
1738
1739 function markHeadline(id, marked) {
1740         if (marked == undefined) marked = true;
1741
1742         var row = $("RROW-" + id);
1743         if (row) {
1744                 var check = dijit.getEnclosingWidget(
1745                                 row.getElementsByClassName("rchk")[0]);
1746
1747                 if (check) {
1748                         check.attr("checked", marked);
1749                 }
1750
1751                 if (marked)
1752                         row.addClassName("Selected");
1753                 else
1754                         row.removeClassName("Selected");
1755         }
1756 }
1757
1758 function getRelativePostIds(id, limit) {
1759
1760         var tmp = [];
1761
1762         try {
1763
1764                 if (!limit) limit = 6; //3
1765
1766                 var ids = getLoadedArticleIds();
1767
1768                 for (var i = 0; i < ids.length; i++) {
1769                         if (ids[i] == id) {
1770                                 for (var k = 1; k <= limit; k++) {
1771                                         //if (i > k-1) tmp.push(ids[i-k]);
1772                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1773                                 }
1774                                 break;
1775                         }
1776                 }
1777
1778         } catch (e) {
1779                 exception_error("getRelativePostIds", e);
1780         }
1781
1782         return tmp;
1783 }
1784
1785 function correctHeadlinesOffset(id) {
1786
1787         try {
1788
1789                 var container = $("headlines-frame");
1790                 var row = $("RROW-" + id);
1791
1792                 if (!container || !row) return;
1793
1794                 var viewport = container.offsetHeight;
1795
1796                 var rel_offset_top = row.offsetTop - container.scrollTop;
1797                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1798
1799                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1800                 //console.log("Vport: " + viewport);
1801
1802                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1803                         container.scrollTop = row.offsetTop;
1804                 } else if (rel_offset_bottom > viewport) {
1805
1806                         /* doesn't properly work with Opera in some cases because
1807                                 Opera fucks up element scrolling */
1808
1809                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1810                 }
1811
1812         } catch (e) {
1813                 exception_error("correctHeadlinesOffset", e);
1814         }
1815
1816 }
1817
1818 function headlineActionsChange(elem) {
1819         try {
1820                 eval(elem.value);
1821                 elem.attr('value', 'false');
1822         } catch (e) {
1823                 exception_error("headlineActionsChange", e);
1824         }
1825 }
1826
1827 function closeArticlePanel() {
1828
1829         if (dijit.byId("content-insert"))
1830                 dijit.byId("headlines-wrap-inner").removeChild(
1831                         dijit.byId("content-insert"));
1832 }
1833
1834 function initFloatingMenu() {
1835         try {
1836                 if (!dijit.byId("floatingMenu")) {
1837
1838                         var menu = new dijit.Menu({
1839                                 id: "floatingMenu",
1840                                 targetNodeIds: ["floatingTitle"]
1841                         });
1842
1843                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
1844                                 var callerNode = event.target, match = null, tries = 0;
1845
1846                                 while (match == null && callerNode && tries <= 3) {
1847                                         match = callerNode.getAttribute("data-article-id");
1848                                         callerNode = callerNode.parentNode;
1849                                         ++tries;
1850                                 }
1851
1852                                 if (match) this.callerRowId = match;
1853
1854                         });
1855
1856                         headlinesMenuCommon(menu);
1857
1858                         menu.startup();
1859                 }
1860
1861         } catch (e) {
1862                 exception_error("initFloatingMenu", e);
1863         }
1864 }
1865
1866 function headlinesMenuCommon(menu) {
1867         try {
1868
1869                 menu.addChild(new dijit.MenuItem({
1870                         label: __("Open original article"),
1871                         onClick: function(event) {
1872                                 openArticleInNewWindow(this.getParent().callerRowId);
1873                         }}));
1874
1875                 menu.addChild(new dijit.MenuItem({
1876                         label: __("Display article URL"),
1877                         onClick: function(event) {
1878                                 displayArticleUrl(this.getParent().callerRowId);
1879                         }}));
1880
1881                 menu.addChild(new dijit.MenuSeparator());
1882
1883                 menu.addChild(new dijit.MenuItem({
1884                         label: __("Toggle unread"),
1885                         onClick: function(event) {
1886                                 var ids = getSelectedArticleIds2();
1887                                 // cast to string
1888                                 var id = (this.getParent().callerRowId) + "";
1889                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1890
1891                                 selectionToggleUnread(undefined, false, true, ids);
1892                                 }}));
1893
1894                 menu.addChild(new dijit.MenuItem({
1895                         label: __("Toggle starred"),
1896                         onClick: function(event) {
1897                                 var ids = getSelectedArticleIds2();
1898                                 // cast to string
1899                                 var id = (this.getParent().callerRowId) + "";
1900                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1901
1902                                 selectionToggleMarked(undefined, false, true, ids);
1903                                 }}));
1904
1905                 menu.addChild(new dijit.MenuItem({
1906                         label: __("Toggle published"),
1907                         onClick: function(event) {
1908                                 var ids = getSelectedArticleIds2();
1909                                 // cast to string
1910                                 var id = (this.getParent().callerRowId) + "";
1911                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1912
1913                                 selectionTogglePublished(undefined, false, true, ids);
1914                                 }}));
1915
1916                 menu.addChild(new dijit.MenuSeparator());
1917
1918                 menu.addChild(new dijit.MenuItem({
1919                         label: __("Mark above as read"),
1920                         onClick: function(event) {
1921                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1922                                 }}));
1923
1924                 menu.addChild(new dijit.MenuItem({
1925                         label: __("Mark below as read"),
1926                         onClick: function(event) {
1927                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1928                                 }}));
1929
1930
1931                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1932
1933                 if (labels) {
1934
1935                         menu.addChild(new dijit.MenuSeparator());
1936
1937                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1938                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1939
1940                         labels.each(function(label) {
1941                                 var id = label.id[0];
1942                                 var bare_id = id.substr(id.indexOf(":")+1);
1943                                 var name = label.name[0];
1944
1945                                 bare_id = feed_to_label_id(bare_id);
1946
1947                                 labelAddMenu.addChild(new dijit.MenuItem({
1948                                         label: name,
1949                                         labelId: bare_id,
1950                                         onClick: function(event) {
1951                                                 var ids = getSelectedArticleIds2();
1952                                                 // cast to string
1953                                                 var id = (this.getParent().ownerMenu.callerRowId) + "";
1954
1955                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1956
1957                                                 selectionAssignLabel(this.labelId, ids);
1958                                 }}));
1959
1960                                 labelDelMenu.addChild(new dijit.MenuItem({
1961                                         label: name,
1962                                         labelId: bare_id,
1963                                         onClick: function(event) {
1964                                                 var ids = getSelectedArticleIds2();
1965                                                 // cast to string
1966                                                 var id = (this.getParent().ownerMenu.callerRowId) + "";
1967
1968                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1969
1970                                                 selectionRemoveLabel(this.labelId, ids);
1971                                 }}));
1972
1973                         });
1974
1975                         menu.addChild(new dijit.PopupMenuItem({
1976                                 label: __("Assign label"),
1977                                 popup: labelAddMenu
1978                         }));
1979
1980                         menu.addChild(new dijit.PopupMenuItem({
1981                                 label: __("Remove label"),
1982                                 popup: labelDelMenu
1983                         }));
1984
1985                 }
1986
1987
1988         } catch (e) {
1989                 exception_error("headlinesMenuCommon", e);
1990         }
1991 }
1992
1993 function initHeadlinesMenu(append_rows) {
1994         try {
1995                 if (!append_rows) {
1996
1997                         if (dijit.byId("headlinesMenu"))
1998                                 dijit.byId("headlinesMenu").destroyRecursive();
1999
2000                         var ids = [];
2001
2002                         if (!isCdmMode()) {
2003                                 nodes = $$("#headlines-frame > div[id*=RROW]");
2004                         } else {
2005                                 nodes = $$("#headlines-frame span[id*=RTITLE]");
2006                         }
2007
2008                         nodes.each(function (node) {
2009                                 ids.push(node.id);
2010                         });
2011
2012                         var menu = new dijit.Menu({
2013                                 id: "headlinesMenu",
2014                                 targetNodeIds: ids
2015                         });
2016
2017                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2018                                 var callerNode = event.target, match = null, tries = 0;
2019
2020                                 while (match == null && callerNode && tries <= 3) {
2021
2022                                         match = callerNode.getAttribute("data-article-id")
2023                                         callerNode = callerNode.parentNode;
2024                                         ++tries;
2025                                 }
2026
2027                                 if (match) this.callerRowId = match;
2028
2029                         });
2030
2031                         headlinesMenuCommon(menu);
2032
2033                         menu.startup();
2034
2035                 } else {
2036                         var menu = dijit.byId("headlinesMenu");
2037
2038                         append_rows.each(function (row) {
2039                                 if (!row.hasClassName("cdmFeedTitle")) {
2040                                         menu.bindDomNode(row);
2041                                 }
2042                         });
2043                 }
2044
2045                 /* vgroup feed title menu */
2046
2047                 if (!append_rows) {
2048
2049                         var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2050                         var ids = [];
2051
2052                         nodes.each(function(node) {
2053                                 ids.push(node.id);
2054                         });
2055
2056                         if (ids.length > 0) {
2057                                 if (dijit.byId("headlinesFeedTitleMenu"))
2058                                         dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2059
2060                                 var menu = new dijit.Menu({
2061                                         id: "headlinesFeedTitleMenu",
2062                                         targetNodeIds: ids
2063                                 });
2064
2065                                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2066                                         var callerNode = event.target, match = null, tries = 0;
2067
2068                                         while (match == null && callerNode && tries <= 3) {
2069                                                 match = callerNode.getAttribute("data-feed-id")
2070                                                 callerNode = callerNode.parentNode;
2071                                                 ++tries;
2072                                         }
2073
2074                                         if (match) this.callerRowId = match;
2075
2076                                 });
2077
2078                                 menu.addChild(new dijit.MenuItem({
2079                                         label: __("Select articles in group"),
2080                                         onClick: function (event) {
2081                                                 selectArticles("all",
2082                                                         "#headlines-frame > div[id*=RROW]" +
2083                                                         "[data-orig-feed-id='" + menu.callerRowId + "']");
2084
2085                                         }
2086                                 }));
2087
2088                                 menu.addChild(new dijit.MenuItem({
2089                                         label: __("Mark group as read"),
2090                                         onClick: function (event) {
2091                                                 selectArticles("none");
2092                                                 selectArticles("all",
2093                                                         "#headlines-frame > div[id*=RROW]" +
2094                                                         "[data-orig-feed-id='" + menu.callerRowId + "']");
2095
2096                                                 catchupSelection();
2097                                         }
2098                                 }));
2099
2100                                 menu.addChild(new dijit.MenuItem({
2101                                         label: __("Mark feed as read"),
2102                                         onClick: function (event) {
2103                                                 catchupFeedInGroup(menu.callerRowId);
2104                                         }
2105                                 }));
2106
2107                                 menu.addChild(new dijit.MenuItem({
2108                                         label: __("Edit feed"),
2109                                         onClick: function (event) {
2110                                                 editFeed(menu.callerRowId);
2111                                         }
2112                                 }));
2113
2114                                 menu.startup();
2115                         }
2116                 } else {
2117                         var menu = dijit.byId("headlinesFeedTitleMenu");
2118
2119                         append_rows.each(function (row) {
2120                                 if (row.hasClassName("cdmFeedTitle")) {
2121                                         menu.bindDomNode(row);
2122                                 }
2123                         });
2124                 }
2125
2126         } catch (e) {
2127                 exception_error("initHeadlinesMenu", e);
2128         }
2129 }
2130
2131 function cache_set(id, obj) {
2132         //console.log("cache_set: " + id);
2133         if (has_storage)
2134                 try {
2135                         sessionStorage[id] = obj;
2136                 } catch (e) {
2137                         sessionStorage.clear();
2138                 }
2139 }
2140
2141 function cache_get(id) {
2142         if (has_storage)
2143                 return sessionStorage[id];
2144 }
2145
2146 function cache_clear() {
2147         if (has_storage)
2148                 sessionStorage.clear();
2149 }
2150
2151 function cache_delete(id) {
2152         if (has_storage)
2153                 sessionStorage.removeItem(id);
2154 }
2155
2156 function cancelSearch() {
2157         try {
2158                 _search_query = "";
2159                 viewCurrentFeed();
2160         } catch (e) {
2161                 exception_error("cancelSearch", e);
2162         }
2163 }
2164
2165 function setSelectionScore() {
2166         try {
2167                 var ids = getSelectedArticleIds2();
2168
2169                 if (ids.length > 0) {
2170                         console.log(ids);
2171
2172                         var score = prompt(__("Please enter new score for selected articles:"), score);
2173
2174                         if (score != undefined) {
2175                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2176                                         "&score=" + param_escape(score);
2177
2178                                 new Ajax.Request("backend.php", {
2179                                         parameters: query,
2180                                         onComplete: function(transport) {
2181                                                 var reply = JSON.parse(transport.responseText);
2182                                                 if (reply) {
2183                                                         console.log(ids);
2184
2185                                                         ids.each(function(id) {
2186                                                                 var row = $("RROW-" + id);
2187
2188                                                                 if (row) {
2189                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2190
2191                                                                         if (pic) {
2192                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2193                                                                                         reply["score_pic"]);
2194                                                                                 pic.setAttribute("score", score);
2195                                                                         }
2196                                                                 }
2197                                                         });
2198                                                 }
2199                                         } });
2200                         }
2201
2202                 } else {
2203                         alert(__("No articles are selected."));
2204                 }
2205         } catch (e) {
2206                 exception_error("setSelectionScore", e);
2207         }
2208 }
2209
2210 function updateScore(id) {
2211         try {
2212                 var pic = $$("#RROW-" + id + " .hlScorePic")[0];
2213
2214                 if (pic) {
2215
2216                         var query = "op=article&method=getScore&id=" + param_escape(id);
2217
2218                         new Ajax.Request("backend.php", {
2219                                 parameters: query,
2220                                 onComplete: function(transport) {
2221                                         console.log(transport.responseText);
2222
2223                                         var reply = JSON.parse(transport.responseText);
2224
2225                                         if (reply) {
2226                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2227                                                 pic.setAttribute("score", reply["score"]);
2228                                                 pic.setAttribute("title", reply["score"]);
2229                                         }
2230                                 } });
2231                 }
2232
2233         } catch (e) {
2234                 exception_error("updateScore", e);
2235         }
2236 }
2237
2238 function changeScore(id, pic) {
2239         try {
2240                 var score = pic.getAttribute("score");
2241
2242                 var new_score = prompt(__("Please enter new score for this article:"), score);
2243
2244                 if (new_score != undefined) {
2245
2246                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2247                                 "&score=" + param_escape(new_score);
2248
2249                         new Ajax.Request("backend.php", {
2250                                 parameters: query,
2251                                 onComplete: function(transport) {
2252                                         var reply = JSON.parse(transport.responseText);
2253
2254                                         if (reply) {
2255                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2256                                                 pic.setAttribute("score", new_score);
2257                                                 pic.setAttribute("title", new_score);
2258                                         }
2259                                 } });
2260                 }
2261         } catch (e) {
2262                 exception_error("changeScore", e);
2263         }
2264 }
2265
2266 function displayArticleUrl(id) {
2267         try {
2268                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2269
2270                         new Ajax.Request("backend.php", {
2271                                 parameters: query,
2272                                 onComplete: function(transport) {
2273                                         var reply = JSON.parse(transport.responseText);
2274
2275                                         if (reply && reply.link) {
2276                                                 prompt(__("Article URL:"), reply.link);
2277                                         }
2278                                 } });
2279         } catch (e) {
2280                 exception_error("changeScore", e);
2281         }
2282 }
2283
2284 function scrollToRowId(id) {
2285         try {
2286                 var row = $(id);
2287
2288                 if (row)
2289                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2290
2291         } catch (e) {
2292                 exception_error("scrollToRowId", e);
2293         }
2294 }
2295
2296 function updateFloatingTitle(unread_only) {
2297         try {
2298                 if (!isCdmMode()) return;
2299
2300                 var hf = $("headlines-frame");
2301
2302                 var elems = $$("#headlines-frame > div[id*=RROW]");
2303
2304                 for (var i = 0; i < elems.length; i++) {
2305
2306                         var child = elems[i];
2307
2308                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2309
2310                                 var header = child.getElementsByClassName("cdmHeader")[0];
2311
2312                                 if (unread_only || child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
2313                                         if (child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
2314
2315                                                 $("floatingTitle").setAttribute("data-article-id", child.getAttribute("data-article-id"));
2316                                                 $("floatingTitle").innerHTML = header.innerHTML;
2317                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2318
2319                                                 initFloatingMenu();
2320
2321                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2322
2323                                                 if (cb)
2324                                                         cb.parentNode.removeChild(cb);
2325                                         }
2326
2327                                         if (child.hasClassName("Unread"))
2328                                                 $("floatingTitle").addClassName("Unread");
2329                                         else
2330                                                 $("floatingTitle").removeClassName("Unread");
2331
2332                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2333                                 }
2334
2335                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2336                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2337                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2338                                         $("floatingTitle").style.visibility = "visible";
2339                                 else
2340                                         $("floatingTitle").style.visibility = "hidden";
2341
2342                                 return;
2343
2344                         }
2345                 }
2346
2347         } catch (e) {
2348                 exception_error("updateFloatingTitle", e);
2349         }
2350 }
2351
2352 function catchupCurrentBatchIfNeeded() {
2353         if (catchup_id_batch.length > 0) {
2354                 window.clearTimeout(catchup_timeout_id);
2355                 catchup_timeout_id = window.setTimeout(catchupBatchedArticles, 1000);
2356
2357                 if (catchup_id_batch.length >= 10) {
2358                         catchupBatchedArticles();
2359                 }
2360         }
2361 }
2362
2363 function cdmFooterClick(event) {
2364         event.stopPropagation();
2365 }