viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 // FIXME: kludges, needs proper implementation
   6 var _reload_feedlist_after_view = false;
   7
   8 var _cdm_wd_timeout = false;
   9 var _cdm_wd_vishist = new Array();
  10
  11 var article_cache = new Array();
  12
  13 var vgroup_last_feed = false;
  14 var post_under_pointer = false;
  15
  16 var last_requested_article = false;
  17
  18 var preload_id_batch = [];
  19 var preload_timeout_id = false;
  20
  21 var cache_added = [];
  22
  23 function catchup_callback2(transport, callback) {
  24         try {
  25                 console.log("catchup_callback2 " + transport + ", " + callback);
  26                 notify("");
  27                 handle_rpc_reply(transport);
  28                 if (callback) {
  29                         setTimeout(callback, 10);
  30                 }
  31         } catch (e) {
  32                 exception_error("catchup_callback2", e, transport);
  33         }
  34 }
  35
  36 function headlines_callback2(transport, feed_cur_page) {
  37         try {
  38
  39                 if (!handle_rpc_reply(transport)) return;
  40
  41                 loading_set_progress(100);
  42
  43                 console.log("headlines_callback2 [page=" + feed_cur_page + "]");
  44
  45                 if (!transport_error_check(transport)) return;
  46
  47                 clean_feed_selections();
  48
  49                 var is_cat = false;
  50                 var feed_id = false;
  51
  52                 if (transport.responseXML) {
  53                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  54                         if (headlines) {
  55                                 is_cat = headlines.getAttribute("is_cat");
  56                                 feed_id = headlines.getAttribute("id");
  57                                 setActiveFeedId(feed_id, is_cat);
  58                         }
  59                 }
  60
  61                 var ll = $('FLL-' + feed_id);
  62
  63                 if (ll && ll.parentNode)
  64                         ll.parentNode.removeChild(ll);
  65
  66                 if (!is_cat) {
  67                         var feedr = $("FEEDR-" + feed_id);
  68                         if (feedr && !feedr.className.match("Selected")) {
  69                                 feedr.className = feedr.className + "Selected";
  70                         }
  71                 } else {
  72                         var feedr = $("FCAT-" + feed_id);
  73                         if (feedr && !feedr.className.match("Selected")) {
  74                                 feedr.className = feedr.className + "Selected";
  75                         }
  76                 }
  77
  78                 var img = $('FIMG-' + feed_id);
  79
  80                 if (img && !is_cat) {
  81                         img.src = img.alt;
  82                 }
  83
  84                 var f = $("headlines-frame");
  85                 try {
  86                         if (feed_cur_page == 0) {
  87                                 //console.log("resetting headlines scrollTop");
  88                                 f.scrollTop = 0;
  89                         }
  90                 } catch (e) { };
  91
  92                 if (transport.responseXML) {
  93                         var response = transport.responseXML;
  94
  95                         var headlines = response.getElementsByTagName("headlines")[0];
  96                         var headlines_info = response.getElementsByTagName("headlines-info")[0];
  97
  98                         if (headlines_info)
  99                                 headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
 100                         else {
 101                                 console.error("didn't find headlines-info object in response");
 102                                 return;
 103                         }
 104
 105                         var headlines_count = headlines_info.count;
 106                         var headlines_unread = headlines_info.unread;
 107                         var disable_cache = headlines_info.disable_cache;
 108
 109                         vgroup_last_feed = headlines_info.vgroup_last_feed;
 110
 111                         if (headlines_count == 0) {
 112                                 _infscroll_disable = 1;
 113                         } else {
 114                                 _infscroll_disable = 0;
 115                         }
 116
 117                         var counters = response.getElementsByTagName("counters")[0];
 118                         var articles = response.getElementsByTagName("article");
 119                         var runtime_info = response.getElementsByTagName("runtime-info");
 120
 121                         if (feed_cur_page == 0) {
 122                                 if (headlines) {
 123                                         f.innerHTML = headlines.firstChild.nodeValue;
 124
 125                                         var cache_prefix = "";
 126
 127                                         if (is_cat) {
 128                                                 cache_prefix = "C:";
 129                                         } else {
 130                                                 cache_prefix = "F:";
 131                                         }
 132
 133                                         cache_invalidate(cache_prefix + feed_id);
 134
 135                                         if (!disable_cache) {
 136                                                 cache_inject(cache_prefix + feed_id,
 137                                                         headlines.firstChild.nodeValue, headlines_unread);
 138                                         }
 139
 140                                 } else {
 141                                         console.warn("headlines_callback: returned no data");
 142                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 143
 144                                 }
 145                         } else {
 146                                 if (headlines) {
 147                                         if (headlines_count > 0) {
 148                                                 console.log("adding some more headlines...");
 149
 150                                                 var c = $("headlinesList");
 151
 152                                                 if (!c) {
 153                                                         c = $("headlinesInnerContainer");
 154                                                 }
 155
 156                                                 var ids = getSelectedArticleIds2();
 157
 158                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 159
 160                                                 console.log("restore selected ids: " + ids);
 161
 162                                                 for (var i = 0; i < ids.length; i++) {
 163                                                         markHeadline(ids[i]);
 164                                                 }
 165
 166                                         } else {
 167                                                 console.log("no new headlines received");
 168                                         }
 169                                 } else {
 170                                         console.warn("headlines_callback: returned no data");
 171                                         notify_error("Error while trying to load more headlines");
 172                                 }
 173
 174                         }
 175
 176                         if (articles) {
 177                                 for (var i = 0; i < articles.length; i++) {
 178                                         var a_id = articles[i].getAttribute("id");
 179                                         //console.log("found id: " + a_id);
 180                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 181                                 }
 182                         } else {
 183                                 console.log("no cached articles received");
 184                         }
 185
 186                         if (counters)
 187                                 parse_counters(counters);
 188                         else
 189                                 request_counters();
 190
 191                         if (runtime_info) {
 192                                 parse_runtime_info(runtime_info[0]);
 193                         }
 194
 195                 } else {
 196                         console.warn("headlines_callback: returned no XML object");
 197                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 198                 }
 199
 200
 201                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 202
 203                 if (isCdmMode() &&
 204                                 getActiveFeedId() != -3 &&
 205                                 getInitParam("cdm_auto_catchup") == 1) {
 206                         console.log("starting CDM watchdog");
 207                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 208                         _cdm_wd_vishist = new Array();
 209                 } else {
 210                         console.log("not in CDM mode or watchdog disabled");
 211                 }
 212
 213                 _feed_cur_page = feed_cur_page;
 214                 _infscroll_request_sent = 0;
 215
 216                 notify("");
 217
 218                 remove_splash();
 219
 220         } catch (e) {
 221                 exception_error("headlines_callback2", e, transport);
 222         }
 223 }
 224
 225 function render_article(article) {
 226         try {
 227                 var f = $("content-frame");
 228                 try {
 229                         f.scrollTop = 0;
 230                 } catch (e) { };
 231
 232                 var fi = $("content-insert");
 233
 234                 try {
 235                         fi.scrollTop = 0;
 236                 } catch (e) { };
 237
 238                 fi.innerHTML = article;
 239
 240 //              article.evalScripts();
 241
 242         } catch (e) {
 243                 exception_error("render_article", e);
 244         }
 245 }
 246
 247 function showArticleInHeadlines(id) {
 248
 249         try {
 250
 251                 cleanSelected("headlinesList");
 252
 253                 var crow = $("RROW-" + id);
 254
 255                 if (!crow) return;
 256
 257                 var article_is_unread = crow.className.match("Unread");
 258
 259                 crow.className = crow.className.replace("Unread", "");
 260
 261                 selectArticles('none');
 262
 263                 var upd_img_pic = $("FUPDPIC-" + id);
 264
 265                 var cache_prefix = "";
 266
 267                 if (activeFeedIsCat()) {
 268                         cache_prefix = "C:";
 269                 } else {
 270                         cache_prefix = "F:";
 271                 }
 272
 273                 var view_mode = false;
 274
 275                 try {
 276                         view_mode = document.forms['main_toolbar_form'].view_mode;
 277                         view_mode = view_mode[view_mode.selectedIndex].value;
 278                 } catch (e) {
 279                         //
 280                 }
 281
 282                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 283                                         upd_img_pic.src.match("fresh_sign.png"))) {
 284
 285                         upd_img_pic.src = "images/blank_icon.gif";
 286
 287                         cache_invalidate(cache_prefix + getActiveFeedId());
 288
 289                         cache_inject(cache_prefix + getActiveFeedId(),
 290                                 $("headlines-frame").innerHTML,
 291                                 get_feed_unread(getActiveFeedId()));
 292
 293                 } else if (article_is_unread && view_mode == "all_articles") {
 294
 295                         cache_invalidate(cache_prefix + getActiveFeedId());
 296
 297                         cache_inject(cache_prefix + getActiveFeedId(),
 298                                 $("headlines-frame").innerHTML,
 299                                 get_feed_unread(getActiveFeedId())-1);
 300
 301                 } else if (article_is_unread) {
 302                         cache_invalidate(cache_prefix + getActiveFeedId());
 303                 }
 304
 305                 markHeadline(id);
 306
 307                 if (article_is_unread)
 308                         _force_scheduled_update = true;
 309
 310         } catch (e) {
 311                 exception_error("showArticleInHeadlines", e);
 312         }
 313 }
 314
 315 function article_callback2(transport, id) {
 316         try {
 317                 console.log("article_callback2 " + id);
 318
 319                 if (!handle_rpc_reply(transport)) return;
 320
 321                 if (transport.responseXML) {
 322
 323                         if (!transport_error_check(transport)) return;
 324
 325 /*                      var ll = $('LL-' + id);
 326                         var content = $('HLC-' + id);
 327
 328                         if (ll && content) content.removeChild(ll); */
 329
 330                         var upic = $('FUPDPIC-' + id);
 331
 332                         if (upic) {
 333                                 upic.src = 'images/blank_icon.gif';
 334                         }
 335
 336                         if (id != last_requested_article) {
 337                                 console.log("requested article id is out of sequence, aborting");
 338                                 return;
 339                         }
 340
 341 //                      active_post_id = id;
 342
 343                         //console.log("looking for articles to cache...");
 344
 345                         var articles = transport.responseXML.getElementsByTagName("article");
 346
 347                         for (var i = 0; i < articles.length; i++) {
 348                                 var a_id = articles[i].getAttribute("id");
 349
 350                                 //console.log("found id: " + a_id);
 351
 352                                 if (a_id == active_post_id) {
 353                                         //console.log("active article, rendering...");
 354                                         render_article(articles[i].firstChild.nodeValue);
 355                                 }
 356
 357                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 358                         }
 359
 360
 361 //                      showArticleInHeadlines(id);
 362
 363                         if (db) {
 364                                 db.execute("UPDATE articles SET unread = 0 WHERE id = ?", [id]);
 365                         }
 366
 367                         var reply = transport.responseXML.firstChild.firstChild;
 368
 369                 } else {
 370                         console.warn("article_callback: returned no XML object");
 371                         //var f = $("content-frame");
 372                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 373                 }
 374
 375                 var date = new Date();
 376                 last_article_view = date.getTime() / 1000;
 377
 378                 if (_reload_feedlist_after_view) {
 379                         setTimeout('updateFeedList(false, false)', 50);
 380                         _reload_feedlist_after_view = false;
 381                 } else {
 382                         request_counters();
 383                 }
 384
 385                 notify("");
 386         } catch (e) {
 387                 exception_error("article_callback2", e, transport);
 388         }
 389 }
 390
 391 function view(id) {
 392         try {
 393                 console.log("loading article: " + id);
 394
 395                 if (offline_mode) return view_offline(id);
 396
 397                 var cached_article = cache_find(id);
 398
 399                 console.log("cache check result: " + (cached_article != false));
 400
 401                 enableHotkeys();
 402                 hideAuxDlg();
 403
 404                 var query = "?op=view&id=" + param_escape(id);
 405
 406                 var neighbor_ids = getRelativePostIds(active_post_id);
 407
 408                 /* only request uncached articles */
 409
 410                 var cids_to_request = Array();
 411
 412                 for (var i = 0; i < neighbor_ids.length; i++) {
 413                         if (!cache_check(neighbor_ids[i])) {
 414                                 cids_to_request.push(neighbor_ids[i]);
 415                         }
 416                 }
 417
 418                 console.log("additional ids: " + cids_to_request.toString());
 419
 420                 /* additional info for piggyback counters */
 421
 422                 if (tagsAreDisplayed()) {
 423                         query = query + "&omode=lt";
 424                 } else {
 425                         query = query + "&omode=flc";
 426                 }
 427
 428                 query = query + "&cids=" + cids_to_request.toString();
 429
 430                 var crow = $("RROW-" + id);
 431                 var article_is_unread = crow.className.match("Unread");
 432
 433                 active_post_id = id;
 434                 showArticleInHeadlines(id);
 435
 436                 if (!cached_article) {
 437
 438                         var upic = $('FUPDPIC-' + id);
 439
 440                         if (upic) {
 441                                 upic.src = getInitParam("sign_progress");
 442                         }
 443
 444                 } else if (cached_article && article_is_unread) {
 445
 446                         query = query + "&mode=prefetch";
 447
 448                         render_article(cached_article);
 449
 450                 } else if (cached_article) {
 451
 452                         query = query + "&mode=prefetch_old";
 453                         render_article(cached_article);
 454
 455                 }
 456
 457                 cache_expire();
 458
 459                 last_requested_article = id;
 460
 461                 new Ajax.Request("backend.php", {
 462                         parameters: query,
 463                         onComplete: function(transport) {
 464                                 article_callback2(transport, id);
 465                         } });
 466
 467                 return false;
 468
 469         } catch (e) {
 470                 exception_error("view", e);
 471         }
 472 }
 473
 474 function tMark(id) {
 475         return toggleMark(id);
 476 }
 477
 478 function tPub(id) {
 479         return togglePub(id);
 480 }
 481
 482 function tMark_afh_off(effect) {
 483         try {
 484                 var elem = effect.effects[0].element;
 485
 486                 //console.log("tMark_afh_off : " + elem.id);
 487
 488                 if (elem) {
 489                         elem.src = elem.src.replace("mark_set", "mark_unset");
 490                         elem.alt = __("Star article");
 491                         Element.show(elem);
 492                 }
 493
 494         } catch (e) {
 495                 exception_error("tMark_afh_off", e);
 496         }
 497 }
 498
 499 function tPub_afh_off(effect) {
 500         try {
 501                 var elem = effect.effects[0].element;
 502
 503                 //console.log("tPub_afh_off : " + elem.id);
 504
 505                 if (elem) {
 506                         elem.src = elem.src.replace("pub_set", "pub_unset");
 507                         elem.alt = __("Publish article");
 508                         Element.show(elem);
 509                 }
 510
 511         } catch (e) {
 512                 exception_error("tPub_afh_off", e);
 513         }
 514 }
 515
 516 function toggleMark(id, client_only, no_effects) {
 517
 518         try {
 519
 520                 var query = "?op=rpc&id=" + id + "&subop=mark";
 521
 522                 query = query + "&afid=" + getActiveFeedId();
 523
 524                 if (tagsAreDisplayed()) {
 525                         query = query + "&omode=tl";
 526                 } else {
 527                         query = query + "&omode=flc";
 528                 }
 529
 530                 var mark_img = $("FMPIC-" + id);
 531
 532                 if (!mark_img) return;
 533
 534                 var vfeedu = $("FEEDU--1");
 535                 var crow = $("RROW-" + id);
 536
 537                 if (mark_img.src.match("mark_unset")) {
 538                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 539                         mark_img.alt = __("Unstar article");
 540                         query = query + "&mark=1";
 541
 542                         if (db) {
 543                                 db.execute("UPDATE articles SET marked = 1 WHERE id = ?", [id]);
 544                         }
 545
 546                 } else {
 547                         mark_img.alt = __("Please wait...");
 548                         query = query + "&mark=0";
 549
 550                         if (!isCdmMode() && !no_effects) {
 551                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 552                         } else {
 553                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 554                                 mark_img.alt = __("Star article");
 555                         }
 556
 557                         if (db) {
 558                                 db.execute("UPDATE articles SET marked = 0 WHERE id = ?", [id]);
 559                         }
 560
 561                 }
 562
 563                 if (!no_effects) update_local_feedlist_counters();
 564
 565                 if (!client_only) {
 566                         //console.log(query);
 567
 568                         new Ajax.Request("backend.php", {
 569                                 parameters: query,
 570                                 onComplete: function(transport) {
 571                                         handle_rpc_reply(transport);
 572                                 } });
 573
 574                 }
 575
 576         } catch (e) {
 577                 exception_error("toggleMark", e);
 578         }
 579 }
 580
 581 function togglePub(id, client_only, no_effects, note) {
 582
 583         try {
 584
 585                 var query = "?op=rpc&id=" + id + "&subop=publ";
 586
 587                 query = query + "&afid=" + getActiveFeedId();
 588
 589                 if (note != undefined) {
 590                         query = query + "&note=" + param_escape(note);
 591                 } else {
 592                         query = query + "&note=undefined";
 593                 }
 594
 595                 if (tagsAreDisplayed()) {
 596                         query = query + "&omode=tl";
 597                 } else {
 598                         query = query + "&omode=flc";
 599                 }
 600
 601                 var mark_img = $("FPPIC-" + id);
 602
 603                 if (!mark_img) return;
 604
 605                 var vfeedu = $("FEEDU--2");
 606                 var crow = $("RROW-" + id);
 607
 608                 if (mark_img.src.match("pub_unset") || note != undefined) {
 609                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 610                         mark_img.alt = __("Unpublish article");
 611                         query = query + "&pub=1";
 612
 613                 } else {
 614                         mark_img.alt = __("Please wait...");
 615                         query = query + "&pub=0";
 616
 617                         if (!isCdmMode() && !no_effects) {
 618                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 619                         } else {
 620                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 621                                 mark_img.alt = __("Publish article");
 622                         }
 623                 }
 624
 625                 if (!client_only) {
 626                         new Ajax.Request("backend.php", {
 627                                 parameters: query,
 628                                 onComplete: function(transport) {
 629                                         handle_rpc_reply(transport);
 630
 631                                         var note = transport.responseXML.getElementsByTagName("note")[0];
 632
 633                                         if (note) {
 634                                                 var note_id = note.getAttribute("id");
 635                                                 var note_size = note.getAttribute("size");
 636                                                 var note_content = note.firstChild.nodeValue;
 637
 638                                                 var container = $('POSTNOTE-' + note_id);
 639
 640                                                 cache_invalidate(note_id);
 641
 642                                                 if (container) {
 643                                                         if (note_size == "0") {
 644                                                                 Element.hide(container);
 645                                                         } else {
 646                                                                 container.innerHTML = note_content;
 647                                                                 Element.show(container);
 648                                                         }
 649                                                 }
 650                                         }
 651
 652                                 } });
 653                 }
 654
 655         } catch (e) {
 656                 exception_error("togglePub", e);
 657         }
 658 }
 659
 660 function correctHeadlinesOffset(id) {
 661
 662         try {
 663
 664                 var hlist = $("headlinesList");
 665                 var container = $("headlinesInnerContainer");
 666                 var row = $("RROW-" + id);
 667
 668                 var viewport = container.offsetHeight;
 669
 670                 var rel_offset_top = row.offsetTop - container.scrollTop;
 671                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 672
 673                 console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 674                 console.log("Vport: " + viewport);
 675
 676                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 677                         container.scrollTop = row.offsetTop;
 678                 } else if (rel_offset_bottom > viewport) {
 679
 680                         /* doesn't properly work with Opera in some cases because
 681                                 Opera fucks up element scrolling */
 682
 683                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 684                 }
 685
 686         } catch (e) {
 687                 exception_error("correctHeadlinesOffset", e);
 688         }
 689
 690 }
 691
 692 function moveToPost(mode) {
 693
 694         try {
 695
 696                 var rows = getVisibleArticleIds();
 697
 698                 var prev_id = false;
 699                 var next_id = false;
 700
 701                 if (!$('RROW-' + active_post_id)) {
 702                         active_post_id = false;
 703                 }
 704
 705                 if (active_post_id == false) {
 706                         next_id = getFirstVisibleHeadlineId();
 707                         prev_id = getLastVisibleHeadlineId();
 708                 } else {
 709                         for (var i = 0; i < rows.length; i++) {
 710                                 if (rows[i] == active_post_id) {
 711                                         prev_id = rows[i-1];
 712                                         next_id = rows[i+1];
 713                                 }
 714                         }
 715                 }
 716
 717                 if (mode == "next") {
 718                         if (next_id) {
 719                                 if (isCdmMode()) {
 720
 721                                         cdmExpandArticle(next_id);
 722                                         cdmScrollToArticleId(next_id);
 723
 724                                 } else {
 725                                         correctHeadlinesOffset(next_id);
 726                                         view(next_id, getActiveFeedId());
 727                                 }
 728                         }
 729                 }
 730
 731                 if (mode == "prev") {
 732                         if (prev_id) {
 733                                 if (isCdmMode()) {
 734                                         cdmExpandArticle(prev_id);
 735                                         cdmScrollToArticleId(prev_id);
 736                                 } else {
 737                                         correctHeadlinesOffset(prev_id);
 738                                         view(prev_id, getActiveFeedId());
 739                                 }
 740                         }
 741                 }
 742
 743         } catch (e) {
 744                 exception_error("moveToPost", e);
 745         }
 746 }
 747
 748 function toggleSelected(id) {
 749         try {
 750
 751                 var cb = $("RCHK-" + id);
 752
 753                 var row = $("RROW-" + id);
 754                 if (row) {
 755                         var nc = row.className;
 756
 757                         if (!nc.match("Selected")) {
 758                                 nc = nc + "Selected";
 759                                 if (cb) {
 760                                         cb.checked = true;
 761                                 }
 762
 763                                 // In CDM basically last selected article == active article
 764                                 if (isCdmMode()) active_post_id = id;
 765                         } else {
 766                                 nc = nc.replace("Selected", "");
 767                                 if (cb) {
 768                                         cb.checked = false;
 769                                 }
 770
 771                         }
 772
 773                         row.className = nc;
 774                 }
 775         } catch (e) {
 776                 exception_error("toggleSelected", e);
 777         }
 778 }
 779
 780 function toggleUnread_afh(effect) {
 781         try {
 782
 783                 var elem = effect.element;
 784                 elem.style.backgroundColor = "";
 785
 786         } catch (e) {
 787                 exception_error("toggleUnread_afh", e);
 788         }
 789 }
 790
 791 function toggleUnread(id, cmode, effect) {
 792         try {
 793
 794                 var row = $("RROW-" + id);
 795                 if (row) {
 796                         var nc = row.className;
 797                         var is_selected = row.className.match("Selected");
 798                         nc = nc.replace("Unread", "");
 799                         nc = nc.replace("Selected", "");
 800
 801                         // since we are removing selection from the object, uncheck
 802                         // corresponding checkbox
 803
 804                         var cb = $("RCHK-" + id);
 805                         if (cb) {
 806                                 cb.checked = false;
 807                         }
 808
 809                         // NOTE: I'm not sure that resetting selection here is a feature -fox
 810
 811                         if (cmode == undefined || cmode == 2) {
 812                                 if (row.className.match("Unread")) {
 813                                         row.className = nc;
 814
 815                                         if (effect) {
 816                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 817                                                         afterFinish: toggleUnread_afh,
 818                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 819                                         }
 820
 821                                 } else {
 822                                         row.className = nc + "Unread";
 823                                 }
 824
 825                                 if (db) {
 826                                         db.execute("UPDATE articles SET unread = not unread "+
 827                                                 "WHERE id = ?", [id]);
 828                                 }
 829
 830                         } else if (cmode == 0) {
 831                                 row.className = nc;
 832
 833                                 if (effect) {
 834                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 835                                                 afterFinish: toggleUnread_afh,
 836                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 837                                 }
 838
 839                                 if (db) {
 840                                         db.execute("UPDATE articles SET unread = 0 "+
 841                                                 "WHERE id = ?", [id]);
 842                                 }
 843
 844                         } else if (cmode == 1) {
 845                                 row.className = nc + "Unread";
 846
 847                                 if (db) {
 848                                         db.execute("UPDATE articles SET unread = 1 "+
 849                                                 "WHERE id = ?", [id]);
 850                                 }
 851
 852                         }
 853
 854                         update_local_feedlist_counters();
 855
 856                         // Disable unmarking as selected for the time being (16.05.08) -fox
 857                         if (is_selected) row.className = row.className + "Selected";
 858
 859                         if (cmode == undefined) cmode = 2;
 860
 861                         var query = "?op=rpc&subop=catchupSelected" +
 862                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 863
 864 //                      notify_progress("Loading, please wait...");
 865
 866                         new Ajax.Request("backend.php", {
 867                                 parameters: query,
 868                                 onComplete: function(transport) {
 869                                         handle_rpc_reply(transport);
 870                                 } });
 871
 872                 }
 873
 874         } catch (e) {
 875                 exception_error("toggleUnread", e);
 876         }
 877 }
 878
 879 function selectionRemoveLabel(id) {
 880         try {
 881
 882                 var ids = getSelectedArticleIds2();
 883
 884                 if (ids.length == 0) {
 885                         alert(__("No articles are selected."));
 886                         return;
 887                 }
 888
 889 //              var ok = confirm(__("Remove selected articles from label?"));
 890
 891 //              if (ok) {
 892
 893                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 894                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 895
 896                         console.log(query);
 897
 898 //                      notify_progress("Loading, please wait...");
 899
 900                         cache_invalidate("F:" + (-11 - id));
 901
 902                         new Ajax.Request("backend.php", {
 903                                 parameters: query,
 904                                 onComplete: function(transport) {
 905                                         show_labels_in_headlines(transport);
 906                                         handle_rpc_reply(transport);
 907                                 } });
 908
 909 //              }
 910
 911         } catch (e) {
 912                 exception_error("selectionAssignLabel", e);
 913
 914         }
 915 }
 916
 917 function selectionAssignLabel(id) {
 918         try {
 919
 920                 var ids = getSelectedArticleIds2();
 921
 922                 if (ids.length == 0) {
 923                         alert(__("No articles are selected."));
 924                         return;
 925                 }
 926
 927 //              var ok = confirm(__("Assign selected articles to label?"));
 928
 929 //              if (ok) {
 930
 931                         cache_invalidate("F:" + (-11 - id));
 932
 933                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 934                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 935
 936                         console.log(query);
 937
 938 //                      notify_progress("Loading, please wait...");
 939
 940                         new Ajax.Request("backend.php", {
 941                                 parameters: query,
 942                                 onComplete: function(transport) {
 943                                         show_labels_in_headlines(transport);
 944                                         handle_rpc_reply(transport);
 945                                 } });
 946
 947 //              }
 948
 949         } catch (e) {
 950                 exception_error("selectionAssignLabel", e);
 951
 952         }
 953 }
 954
 955 function selectionToggleUnread(set_state, callback_func, no_error) {
 956         try {
 957                 var rows = getSelectedArticleIds2();
 958
 959                 if (rows.length == 0 && !no_error) {
 960                         alert(__("No articles are selected."));
 961                         return;
 962                 }
 963
 964                 for (i = 0; i < rows.length; i++) {
 965                         var row = $("RROW-" + rows[i]);
 966                         if (row) {
 967                                 var nc = row.className;
 968                                 nc = nc.replace("Unread", "");
 969                                 nc = nc.replace("Selected", "");
 970
 971                                 if (set_state == undefined) {
 972                                         if (row.className.match("Unread")) {
 973                                                 row.className = nc + "Selected";
 974                                         } else {
 975                                                 row.className = nc + "UnreadSelected";
 976                                         }
 977                                         if (db) {
 978                                                 db.execute("UPDATE articles SET unread = NOT unread WHERE id = ?",
 979                                                         [rows[i]]);
 980                                         }
 981                                 }
 982
 983                                 if (set_state == false) {
 984                                         row.className = nc + "Selected";
 985                                         if (db) {
 986                                                 db.execute("UPDATE articles SET unread = 0 WHERE id = ?",
 987                                                         [rows[i]]);
 988                                         }
 989                                 }
 990
 991                                 if (set_state == true) {
 992                                         row.className = nc + "UnreadSelected";
 993                                         if (db) {
 994                                                 db.execute("UPDATE articles SET unread = 1 WHERE id = ?",
 995                                                         [rows[i]]);
 996                                         }
 997                                 }
 998                         }
 999                 }
1000
1001                 if (rows.length > 0) {
1002
1003                         update_local_feedlist_counters();
1004
1005                         var cmode = "";
1006
1007                         if (set_state == undefined) {
1008                                 cmode = "2";
1009                         } else if (set_state == true) {
1010                                 cmode = "1";
1011                         } else if (set_state == false) {
1012                                 cmode = "0";
1013                         }
1014
1015                         var query = "?op=rpc&subop=catchupSelected" +
1016                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
1017
1018                         notify_progress("Loading, please wait...");
1019
1020                         new Ajax.Request("backend.php", {
1021                                 parameters: query,
1022                                 onComplete: function(transport) {
1023                                         catchup_callback2(transport, callback_func);
1024                                 } });
1025
1026                 }
1027
1028         } catch (e) {
1029                 exception_error("selectionToggleUnread", e);
1030         }
1031 }
1032
1033 function selectionToggleMarked() {
1034         try {
1035
1036                 var rows = getSelectedArticleIds2();
1037
1038                 if (rows.length == 0) {
1039                         alert(__("No articles are selected."));
1040                         return;
1041                 }
1042
1043                 for (i = 0; i < rows.length; i++) {
1044                         toggleMark(rows[i], true, true);
1045                 }
1046
1047                 update_local_feedlist_counters();
1048
1049                 if (rows.length > 0) {
1050
1051                         var query = "?op=rpc&subop=markSelected&ids=" +
1052                                 param_escape(rows.toString()) + "&cmode=2";
1053
1054                         query = query + "&afid=" + getActiveFeedId();
1055
1056                         query = query + "&omode=lc";
1057
1058                         new Ajax.Request("backend.php", {
1059                                 parameters: query,
1060                                 onComplete: function(transport) {
1061                                         handle_rpc_reply(transport);
1062                                 } });
1063
1064                 }
1065
1066         } catch (e) {
1067                 exception_error("selectionToggleMarked", e);
1068         }
1069 }
1070
1071 function selectionTogglePublished() {
1072         try {
1073
1074                 var rows = getSelectedArticleIds2();
1075
1076                 if (rows.length == 0) {
1077                         alert(__("No articles are selected."));
1078                         return;
1079                 }
1080
1081                 for (i = 0; i < rows.length; i++) {
1082                         togglePub(rows[i], true, true);
1083                 }
1084
1085                 if (rows.length > 0) {
1086
1087                         var query = "?op=rpc&subop=publishSelected&ids=" +
1088                                 param_escape(rows.toString()) + "&cmode=2";
1089
1090                         query = query + "&afid=" + getActiveFeedId();
1091
1092                         query = query + "&omode=lc";
1093
1094                         new Ajax.Request("backend.php", {
1095                                 parameters: query,
1096                                 onComplete: function(transport) {
1097                                         handle_rpc_reply(transport);
1098                                 } });
1099
1100                 }
1101
1102         } catch (e) {
1103                 exception_error("selectionToggleMarked", e);
1104         }
1105 }
1106
1107 function getSelectedArticleIds2() {
1108         var sel_articles = new Array();
1109
1110         var children;
1111
1112         if (isCdmMode())
1113                 var children = $("headlinesInnerContainer").childNodes;
1114         else
1115                 var children = $("headlinesList").rows;
1116
1117         for (i = 0; i < children.length; i++) {
1118                 var child = children[i];
1119
1120                 if (child.id && child.id.match("RROW-") && child.className.match("Selected")) {
1121                         var c_id = child.id.replace("RROW-", "");
1122                         sel_articles.push(c_id);
1123                 }
1124         }
1125
1126         return sel_articles;
1127 }
1128
1129 function getLoadedArticleIds() {
1130         var sel_articles = new Array();
1131
1132         if (isCdmMode())
1133                 var children = $("headlinesInnerContainer").childNodes;
1134         else
1135                 var children = $("headlinesList").rows;
1136
1137         if (!children) return sel_articles;
1138
1139         for (i = 0; i < children.length; i++) {
1140                 var child = children[i];
1141
1142                 if (child.id && child.id.match("RROW-")) {
1143                         var c_id = child.id.replace("RROW-", "");
1144                         sel_articles.push(c_id);
1145                 }
1146         }
1147
1148         return sel_articles;
1149 }
1150
1151 // mode = all,none,unread,invert
1152 function selectArticles(mode) {
1153         try {
1154
1155                 var children;
1156
1157                 if (isCdmMode())
1158                         var children = $("headlinesInnerContainer").childNodes;
1159                 else
1160                         var children = $("headlinesList").rows;
1161
1162                 for (i = 0; i < children.length; i++) {
1163                         var child = children[i];
1164
1165                         if (child.id && child.id.match("RROW-")) {
1166                                 var aid = child.id.replace("RROW-", "");
1167
1168                                 var cb = $("RCHK-" + aid);
1169
1170                                 if (mode == "all") {
1171                                         if (!child.className.match("Selected")) {
1172                                                 child.className = child.className + "Selected";
1173                                                 cb.checked = true;
1174                                         }
1175                                 } else if (mode == "unread") {
1176                                         if (child.className.match("Unread") && !child.className.match("Selected")) {
1177                                                 child.className = child.className + "Selected";
1178                                                 cb.checked = true;
1179                                         }
1180                                 } else if (mode == "invert") {
1181                                         if (child.className.match("Selected")) {
1182                                                 child.className = child.className.replace("Selected", "");
1183                                                 cb.checked = false;
1184                                         } else {
1185                                                 child.className = child.className + "Selected";
1186                                                 cb.checked = true;
1187                                         }
1188
1189                                 } else {
1190                                         child.className = child.className.replace("Selected", "");
1191                                         cb.checked = false;
1192                                 }
1193                         }
1194                 }
1195
1196         } catch (e) {
1197                 exception_error("selectArticles", e);
1198         }
1199 }
1200
1201 function catchupPage() {
1202
1203         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1204
1205         var str = __("Mark all visible articles in %s as read?");
1206
1207         str = str.replace("%s", fn);
1208
1209         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1210                 return;
1211         }
1212
1213         selectArticles('all');
1214         selectionToggleUnread(false, 'viewCurrentFeed()', true)
1215         selectArticles('none');
1216 }
1217
1218 function deleteSelection() {
1219
1220         try {
1221
1222                 var rows = getSelectedArticleIds2();
1223
1224                 if (rows.length == 0) {
1225                         alert(__("No articles are selected."));
1226                         return;
1227                 }
1228
1229                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1230                 var str;
1231                 var op;
1232
1233                 if (getActiveFeedId() != 0) {
1234                         str = __("Delete %d selected articles in %s?");
1235                 } else {
1236                         str = __("Delete %d selected articles?");
1237                 }
1238
1239                 str = str.replace("%d", rows.length);
1240                 str = str.replace("%s", fn);
1241
1242                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1243                         return;
1244                 }
1245
1246                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
1247
1248                 console.log(query);
1249
1250                 new Ajax.Request("backend.php", {
1251                         parameters: query,
1252                         onComplete: function(transport) {
1253                                         viewCurrentFeed();
1254                                 } });
1255
1256         } catch (e) {
1257                 exception_error("deleteSelection", e);
1258         }
1259 }
1260
1261 function archiveSelection() {
1262
1263         try {
1264
1265                 var rows = getSelectedArticleIds2();
1266
1267                 if (rows.length == 0) {
1268                         alert(__("No articles are selected."));
1269                         return;
1270                 }
1271
1272                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1273                 var str;
1274                 var op;
1275
1276                 if (getActiveFeedId() != 0) {
1277                         str = __("Archive %d selected articles in %s?");
1278                         op = "archive";
1279                 } else {
1280                         str = __("Move %d archived articles back?");
1281                         op = "unarchive";
1282                 }
1283
1284                 str = str.replace("%d", rows.length);
1285                 str = str.replace("%s", fn);
1286
1287                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1288                         return;
1289                 }
1290
1291                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
1292
1293                 console.log(query);
1294
1295                 for (var i = 0; i < rows.length; i++) {
1296                         cache_invalidate(rows[i]);
1297                 }
1298
1299                 new Ajax.Request("backend.php", {
1300                         parameters: query,
1301                         onComplete: function(transport) {
1302                                         viewCurrentFeed();
1303                                 } });
1304
1305         } catch (e) {
1306                 exception_error("archiveSelection", e);
1307         }
1308 }
1309
1310 function catchupSelection() {
1311
1312         try {
1313
1314                 var rows = getSelectedArticleIds2();
1315
1316                 if (rows.length == 0) {
1317                         alert(__("No articles are selected."));
1318                         return;
1319                 }
1320
1321                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1322
1323                 var str = __("Mark %d selected articles in %s as read?");
1324
1325                 str = str.replace("%d", rows.length);
1326                 str = str.replace("%s", fn);
1327
1328                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1329                         return;
1330                 }
1331
1332                 if ($("headlinesList")) {
1333                         selectionToggleUnread(false, 'viewCurrentFeed()', true);
1334                 } else {
1335                         selectionToggleUnread(false, 'viewCurrentFeed()', true)
1336                 }
1337
1338         } catch (e) {
1339                 exception_error("catchupSelection", e);
1340         }
1341 }
1342
1343 function editArticleTags(id, feed_id, cdm_enabled) {
1344         displayDlg('editArticleTags', id,
1345                            function () {
1346                                         $("tags_str").focus();
1347
1348                                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1349                                            "backend.php?op=rpc&subop=completeTags",
1350                                            { tokens: ',', paramName: "search" });
1351                            });
1352 }
1353
1354 function editTagsSave() {
1355
1356         notify_progress("Saving article tags...");
1357
1358         var form = document.forms["tag_edit_form"];
1359
1360         var query = Form.serialize("tag_edit_form");
1361
1362         query = "?op=rpc&subop=setArticleTags&" + query;
1363
1364         //console.log(query);
1365
1366         new Ajax.Request("backend.php", {
1367                 parameters: query,
1368                 onComplete: function(transport) {
1369                                 try {
1370                                         //console.log("tags saved...");
1371
1372                                         closeInfoBox();
1373                                         notify("");
1374
1375                                         if (tagsAreDisplayed()) {
1376                                                 _reload_feedlist_after_view = true;
1377                                         }
1378
1379                                         if (transport.responseXML) {
1380                                                 var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1381
1382                                                 if (tags_str) {
1383                                                         var id = tags_str.getAttribute("id");
1384
1385                                                         if (id) {
1386                                                                 var tags = $("ATSTR-" + id);
1387                                                                 if (tags) {
1388                                                                         tags.innerHTML = tags_str.firstChild.nodeValue;
1389                                                                 }
1390
1391                                                                 cache_invalidate(id);
1392                                                         }
1393                                                 }
1394                                         }
1395
1396                                 } catch (e) {
1397                                         exception_error("editTagsSave", e);
1398                                 }
1399                         } });
1400 }
1401
1402 function editTagsInsert() {
1403         try {
1404
1405                 var form = document.forms["tag_edit_form"];
1406
1407                 var found_tags = form.found_tags;
1408                 var tags_str = form.tags_str;
1409
1410                 var tag = found_tags[found_tags.selectedIndex].value;
1411
1412                 if (tags_str.value.length > 0 &&
1413                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1414
1415                         tags_str.value = tags_str.value + ", ";
1416                 }
1417
1418                 tags_str.value = tags_str.value + tag + ", ";
1419
1420                 found_tags.selectedIndex = 0;
1421
1422         } catch (e) {
1423                 exception_error("editTagsInsert", e);
1424         }
1425 }
1426
1427 function cdmScrollToArticleId(id) {
1428         try {
1429                 var ctr = $("headlinesInnerContainer");
1430                 var e = $("RROW-" + id);
1431
1432                 if (!e || !ctr) return;
1433
1434                 ctr.scrollTop = e.offsetTop;
1435
1436         } catch (e) {
1437                 exception_error("cdmScrollToArticleId", e);
1438         }
1439 }
1440
1441 function cdmWatchdog() {
1442
1443         try {
1444
1445                 var ctr = $("headlinesInnerContainer");
1446
1447                 if (!ctr) return;
1448
1449                 var ids = new Array();
1450
1451                 var e = ctr.firstChild;
1452
1453                 while (e) {
1454                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1455                                         e.id.match("RROW-")) {
1456
1457                                 // article fits in viewport OR article is longer than viewport and
1458                                 // its bottom is visible
1459
1460                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1461                                                 ctr.scrollTop + ctr.offsetHeight) {
1462
1463 //                                      console.log(e.id + " is visible " + e.offsetTop + "." +
1464 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1465 //                                              (ctr.scrollTop + ctr.offsetHeight));
1466
1467                                         ids.push(e.id.replace("RROW-", ""));
1468
1469                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1470                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1471                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1472
1473                                         ids.push(e.id.replace("RROW-", ""));
1474
1475                                 }
1476
1477                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1478
1479 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1480                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1481
1482                                         ids.push(e.id.replace("RROW-", ""));
1483
1484                                 } */
1485
1486                         }
1487
1488                         e = e.nextSibling;
1489                 }
1490
1491                 console.log("cdmWatchdog, ids= " + ids.toString());
1492
1493                 if (ids.length > 0) {
1494
1495                         for (var i = 0; i < ids.length; i++) {
1496                                 var e = $("RROW-" + ids[i]);
1497                                 if (e) {
1498                                         e.className = e.className.replace("Unread", "");
1499                                 }
1500                         }
1501
1502                         var query = "?op=rpc&subop=catchupSelected" +
1503                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1504
1505                         new Ajax.Request("backend.php", {
1506                                 parameters: query,
1507                                 onComplete: function(transport) {
1508                                         handle_rpc_reply(transport);
1509                                 } });
1510
1511                 }
1512
1513                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1514
1515         } catch (e) {
1516                 exception_error("cdmWatchdog", e);
1517         }
1518
1519 }
1520
1521
1522 function cache_inject(id, article, param) {
1523
1524         try {
1525                 if (!cache_check_param(id, param)) {
1526                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1527
1528                    var date = new Date();
1529               var ts = Math.round(date.getTime() / 1000);
1530
1531                         if (db) {
1532
1533                                 db.execute("INSERT INTO cache (id, article, param, added) VALUES (?, ?, ?, ?)",
1534                                         [id, article, param, ts]);
1535                         } else {
1536
1537                                 var cache_obj = {};
1538
1539                                 cache_obj["id"] = id;
1540                                 cache_obj["data"] = article;
1541                                 cache_obj["param"] = param;
1542
1543                                 if (param) id = id + ":" + param;
1544
1545                                 cache_added["TS:" + id] = ts;
1546
1547                                 if (has_local_storage())
1548                                         localStorage.setItem(id, JSON.stringify(cache_obj));
1549                                 else
1550                                         article_cache.push(cache_obj);
1551                         }
1552
1553                 } else {
1554                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1555                 }
1556         } catch (e) {
1557                 exception_error("cache_inject", e);
1558         }
1559 }
1560
1561 function cache_find(id) {
1562
1563         if (db) {
1564                 var rs = db.execute("SELECT article FROM cache WHERE id = ?", [id]);
1565                 var a = false;
1566
1567                 if (rs.isValidRow()) {
1568                         var a = rs.field(0);
1569                 }
1570
1571                 rs.close();
1572
1573                 return a;
1574
1575         } else {
1576
1577                 if (has_local_storage()) {
1578                         var cache_obj = localStorage.getItem(id);
1579
1580                         if (cache_obj) {
1581                                 cache_obj = JSON.parse(cache_obj);
1582
1583                                 if (cache_obj)
1584                                         return cache_obj['data'];
1585                         }
1586
1587                 } else {
1588                         for (var i = 0; i < article_cache.length; i++) {
1589                                 if (article_cache[i]["id"] == id) {
1590                                         return article_cache[i]["data"];
1591                                 }
1592                         }
1593                 }
1594         }
1595         return false;
1596 }
1597
1598 function cache_find_param(id, param) {
1599
1600         if (db) {
1601                 var rs = db.execute("SELECT article FROM cache WHERE id = ? AND param = ?",
1602                         [id, param]);
1603                 var a = false;
1604
1605                 if (rs.isValidRow()) {
1606                         a = rs.field(0);
1607                 }
1608
1609                 rs.close();
1610
1611                 return a;
1612
1613         } else {
1614
1615                 if (has_local_storage()) {
1616
1617                         if (param) id = id + ":" + param;
1618
1619                         var cache_obj = localStorage.getItem(id);
1620
1621                         if (cache_obj) {
1622                                 cache_obj = JSON.parse(cache_obj);
1623
1624                                 if (cache_obj)
1625                                         return cache_obj['data'];
1626                         }
1627
1628                 } else {
1629                         for (var i = 0; i < article_cache.length; i++) {
1630                                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1631                                         return article_cache[i]["data"];
1632                                 }
1633                         }
1634                 }
1635         }
1636         return false;
1637 }
1638
1639 function cache_check(id) {
1640
1641         if (db) {
1642                 var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ?",
1643                         [id]);
1644                 var a = false;
1645
1646                 if (rs.isValidRow()) {
1647                          a = rs.field(0) != "0";
1648                 }
1649
1650                 rs.close();
1651
1652                 return a;
1653
1654         } else {
1655                 if (has_local_storage()) {
1656                         if (localStorage.getItem(id))
1657                                 return true;
1658                 } else {
1659                         for (var i = 0; i < article_cache.length; i++) {
1660                                 if (article_cache[i]["id"] == id) {
1661                                         return true;
1662                                 }
1663                         }
1664                 }
1665         }
1666         return false;
1667 }
1668
1669 function cache_check_param(id, param) {
1670
1671         if (db) {
1672                 var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ? AND param = ?",
1673                         [id, param]);
1674                 var a = false;
1675
1676                 if (rs.isValidRow()) {
1677                         a = rs.field(0) != "0";
1678                 }
1679
1680                 rs.close();
1681
1682                 return a;
1683
1684         } else {
1685
1686                 if (has_local_storage()) {
1687
1688                         if (param) id = id + ":" + param;
1689
1690                         if (localStorage.getItem(id))
1691                                 return true;
1692
1693                 } else {
1694                         for (var i = 0; i < article_cache.length; i++) {
1695                                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1696                                         return true;
1697                                 }
1698                         }
1699                 }
1700         }
1701         return false;
1702 }
1703
1704 function cache_expire() {
1705         if (db) {
1706                 var date = new Date();
1707                 var ts = Math.round(date.getTime() / 1000);
1708
1709                 db.execute("DELETE FROM cache WHERE added < ? - 1800 AND id LIKE 'FEEDLIST'", [ts]);
1710                 db.execute("DELETE FROM cache WHERE added < ? - 600 AND (id LIKE 'F:%' OR id LIKE 'C:%')", [ts]);
1711                 db.execute("DELETE FROM cache WHERE added < ? - 86400", [ts]);
1712
1713
1714         } else {
1715                 if (has_local_storage()) {
1716
1717                         var date = new Date();
1718                         var timestamp = Math.round(date.getTime() / 1000);
1719
1720                         for (var i = 0; i < localStorage.length; i++) {
1721
1722                                 var id = localStorage.key(i);
1723
1724                                 if (timestamp - cache_added["TS:" + id] > 180) {
1725                                         localStorage.removeItem(id);
1726                                 }
1727                         }
1728
1729                 } else {
1730                         while (article_cache.length > 25) {
1731                                 article_cache.shift();
1732                         }
1733                 }
1734         }
1735 }
1736
1737 function cache_flush() {
1738         if (db) {
1739                 db.execute("DELETE FROM cache");
1740         } else if (has_local_storage()) {
1741                 localStorage.clear();
1742         } else {
1743                 article_cache = new Array();
1744         }
1745 }
1746
1747 function cache_invalidate(id) {
1748         try {
1749
1750                 if (db) {
1751                         rs = db.execute("DELETE FROM cache WHERE id = ?", [id]);
1752                         return rs.rowsAffected != 0;
1753                 } else {
1754
1755                         if (has_local_storage()) {
1756
1757                                 var found = false;
1758
1759                                 for (var i = 0; i < localStorage.length; i++) {
1760                                         var key = localStorage.key(i);
1761
1762 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1763
1764                                         if (key == id || key.indexOf(id + ":") == 0) {
1765                                                 localStorage.removeItem(key);
1766                                                 found = true;
1767                                                 break;
1768                                         }
1769                                 }
1770
1771                                 return found;
1772
1773                         } else {
1774                                 var i = 0
1775
1776                                 while (i < article_cache.length) {
1777                                         if (article_cache[i]["id"] == id) {
1778                                                 //console.log("cache_invalidate: removed id " + id);
1779                                                 article_cache.splice(i, 1);
1780                                                 return true;
1781                                         }
1782                                         i++;
1783                                 }
1784                         }
1785                 }
1786
1787                 //console.log("cache_invalidate: id not found: " + id);
1788                 return false;
1789         } catch (e) {
1790                 exception_error("cache_invalidate", e);
1791         }
1792 }
1793
1794 function getActiveArticleId() {
1795         return active_post_id;
1796 }
1797
1798 function preloadBatchedArticles() {
1799         try {
1800
1801                 var query = "?op=rpc&subop=getArticles&ids=" +
1802                         preload_id_batch.toString();
1803
1804                 new Ajax.Request("backend.php", {
1805                         parameters: query,
1806                         onComplete: function(transport) {
1807
1808                                 preload_id_batch = [];
1809
1810                                 var articles = transport.responseXML.getElementsByTagName("article");
1811
1812                                 for (var i = 0; i < articles.length; i++) {
1813                                         var id = articles[i].getAttribute("id");
1814                                         if (!cache_check(id)) {
1815                                                 cache_inject(id, articles[i].firstChild.nodeValue);
1816                                                 console.log("preloaded article: " + id);
1817                                         }
1818                                 }
1819                 } });
1820
1821         } catch (e) {
1822                 exception_error("preloadBatchedArticles", e);
1823         }
1824 }
1825
1826 function preloadArticleUnderPointer(id) {
1827         try {
1828                 if (getInitParam("bw_limit") == "1") return;
1829
1830                 if (post_under_pointer == id && !cache_check(id)) {
1831
1832                         console.log("trying to preload article " + id);
1833
1834                         var neighbor_ids = getRelativePostIds(id, 1);
1835
1836                         /* only request uncached articles */
1837
1838                         if (preload_id_batch.indexOf(id) == -1) {
1839                                 for (var i = 0; i < neighbor_ids.length; i++) {
1840                                         if (!cache_check(neighbor_ids[i])) {
1841                                                 preload_id_batch.push(neighbor_ids[i]);
1842                                         }
1843                                 }
1844                         }
1845
1846                         if (preload_id_batch.indexOf(id) == -1)
1847                                 preload_id_batch.push(id);
1848
1849                         //console.log("preload ids batch: " + preload_id_batch.toString());
1850
1851                         window.clearTimeout(preload_timeout_id);
1852                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1853
1854                 }
1855         } catch (e) {
1856                 exception_error("preloadArticleUnderPointer", e);
1857         }
1858 }
1859
1860 function postMouseIn(id) {
1861         try {
1862                 if (post_under_pointer != id) {
1863                         post_under_pointer = id;
1864                         if (!isCdmMode()) {
1865                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1866                         }
1867                 }
1868
1869         } catch (e) {
1870                 exception_error("postMouseIn", e);
1871         }
1872 }
1873
1874 function postMouseOut(id) {
1875         try {
1876                 post_under_pointer = false;
1877         } catch (e) {
1878                 exception_error("postMouseOut", e);
1879         }
1880 }
1881
1882 function headlines_scroll_handler() {
1883         try {
1884
1885                 var e = $("headlinesInnerContainer");
1886
1887                 var toolbar_form = document.forms["main_toolbar_form"];
1888
1889 //              console.log((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1890 //                      _infscroll_disable);
1891
1892                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1893                         if (!_infscroll_disable) {
1894                                 viewNextFeedPage();
1895                         }
1896                 }
1897
1898         } catch (e) {
1899                 exception_error("headlines_scroll_handler", e);
1900         }
1901 }
1902
1903 function catchupRelativeToArticle(below) {
1904
1905         try {
1906
1907
1908                 if (!getActiveArticleId()) {
1909                         alert(__("No article is selected."));
1910                         return;
1911                 }
1912
1913                 var visible_ids = getVisibleArticleIds();
1914
1915                 var ids_to_mark = new Array();
1916
1917                 if (!below) {
1918                         for (var i = 0; i < visible_ids.length; i++) {
1919                                 if (visible_ids[i] != getActiveArticleId()) {
1920                                         var e = $("RROW-" + visible_ids[i]);
1921
1922                                         if (e && e.className.match("Unread")) {
1923                                                 ids_to_mark.push(visible_ids[i]);
1924                                         }
1925                                 } else {
1926                                         break;
1927                                 }
1928                         }
1929                 } else {
1930                         for (var i = visible_ids.length-1; i >= 0; i--) {
1931                                 if (visible_ids[i] != getActiveArticleId()) {
1932                                         var e = $("RROW-" + visible_ids[i]);
1933
1934                                         if (e && e.className.match("Unread")) {
1935                                                 ids_to_mark.push(visible_ids[i]);
1936                                         }
1937                                 } else {
1938                                         break;
1939                                 }
1940                         }
1941                 }
1942
1943                 if (ids_to_mark.length == 0) {
1944                         alert(__("No articles found to mark"));
1945                 } else {
1946                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1947
1948                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1949
1950                                 for (var i = 0; i < ids_to_mark.length; i++) {
1951                                         var e = $("RROW-" + ids_to_mark[i]);
1952                                         e.className = e.className.replace("Unread", "");
1953                                 }
1954
1955                                 var query = "?op=rpc&subop=catchupSelected" +
1956                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1957
1958                                 new Ajax.Request("backend.php", {
1959                                         parameters: query,
1960                                         onComplete: function(transport) {
1961                                                 catchup_callback2(transport);
1962                                         } });
1963
1964                         }
1965                 }
1966
1967         } catch (e) {
1968                 exception_error("catchupRelativeToArticle", e);
1969         }
1970 }
1971
1972 function cdmExpandArticle(id) {
1973         try {
1974
1975                 hideAuxDlg();
1976
1977                 var elem = $("CICD-" + active_post_id);
1978
1979                 var upd_img_pic = $("FUPDPIC-" + id);
1980
1981                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1982                                 upd_img_pic.src.match("fresh_sign.png"))) {
1983
1984                         upd_img_pic.src = "images/blank_icon.gif";
1985                 }
1986
1987                 if (id == active_post_id && Element.visible(elem))
1988                         return true;
1989
1990                 selectArticles("none");
1991
1992                 var old_offset = $("RROW-" + id).offsetTop;
1993
1994                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1995                         Element.hide(elem);
1996                         Element.show("CEXC-" + active_post_id);
1997                 }
1998
1999                 active_post_id = id;
2000
2001                 elem = $("CICD-" + id);
2002
2003                 if (!Element.visible(elem)) {
2004                         Element.show(elem);
2005                         Element.hide("CEXC-" + id);
2006
2007                         if ($("CWRAP-" + id).innerHTML == "") {
2008
2009                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
2010
2011                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
2012                                         __("Loading, please wait...") + "</div>";
2013
2014                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
2015
2016                                 //console.log(query);
2017
2018                                 new Ajax.Request("backend.php", {
2019                                         parameters: query,
2020                                         onComplete: function(transport) {
2021                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
2022
2023                                                 if (transport.responseXML) {
2024                                                         var article = transport.responseXML.getElementsByTagName("article")[0];
2025                                                         var recv_id = article.getAttribute("id");
2026
2027                                                         if (recv_id == id)
2028                                                                 $("CWRAP-" + id).innerHTML = article.firstChild.nodeValue;
2029
2030                                                 } else {
2031                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
2032
2033                                                 }
2034                                 }});
2035
2036                         }
2037                 }
2038
2039                 var new_offset = $("RROW-" + id).offsetTop;
2040
2041                 $("headlinesInnerContainer").scrollTop += (new_offset-old_offset);
2042
2043                 if ($("RROW-" + id).offsetTop != old_offset)
2044                         $("headlinesInnerContainer").scrollTop = new_offset;
2045
2046                 toggleUnread(id, 0, true);
2047                 toggleSelected(id);
2048
2049         } catch (e) {
2050                 exception_error("cdmExpandArticle", e);
2051         }
2052
2053         return false;
2054 }
2055
2056 function fixHeadlinesOrder(ids) {
2057         try {
2058                 for (var i = 0; i < ids.length; i++) {
2059                         var e = $("RROW-" + ids[i]);
2060
2061                         if (e) {
2062                                 if (i % 2 == 0) {
2063                                         e.className = e.className.replace("even", "odd");
2064                                 } else {
2065                                         e.className = e.className.replace("odd", "even");
2066                                 }
2067                         }
2068                 }
2069         } catch (e) {
2070                 exception_error("fixHeadlinesOrder", e);
2071         }
2072 }
2073
2074 function invertHeadlineSelection() {
2075         try {
2076                 var rows = new Array();
2077                 var r = false;
2078
2079                 if (!isCdmMode()) {
2080                         r = document.getElementsByTagName("TR");
2081                 } else {
2082                         r = document.getElementsByTagName("DIV");
2083                 }
2084
2085                 for (var i = 0; i < r.length; i++) {
2086                         if (r[i].id && r[i].id.match("RROW-")) {
2087                                 rows.push(r[i]);
2088                         }
2089                 }
2090
2091                 for (var i = 0; i < rows.length; i++) {
2092                         var nc = rows[i].className;
2093                         var id = rows[i].id.replace("RROW-", "");
2094                         var cb = $("RCHK-" + id);
2095
2096                         if (!rows[i].className.match("Selected")) {
2097                                 nc = nc + "Selected";
2098                                 cb.checked = true;
2099                         } else {
2100                                 nc = nc.replace("Selected", "");
2101                                 cb.checked = false;
2102                         }
2103
2104                         rows[i].className = nc;
2105
2106                 }
2107
2108         } catch (e) {
2109                 exception_error("invertHeadlineSelection", e);
2110         }
2111 }
2112
2113 function getArticleUnderPointer() {
2114         return post_under_pointer;
2115 }
2116
2117 function zoomToArticle(id) {
2118         try {
2119                 var w = window.open("backend.php?op=view&mode=zoom&id=" + param_escape(id),
2120                         "ttrss_zoom_" + id,
2121                         "status=0,toolbar=0,location=0,width=450,height=300,scrollbars=1,menubar=0");
2122
2123         } catch (e) {
2124                 exception_error("zoomToArticle", e);
2125         }
2126 }
2127
2128 function scrollArticle(offset) {
2129         try {
2130                 if (!isCdmMode()) {
2131                         var ci = $("content-insert");
2132                         if (ci) {
2133                                 ci.scrollTop += offset;
2134                         }
2135                 } else {
2136                         var hi = $("headlinesInnerContainer");
2137                         if (hi) {
2138                                 hi.scrollTop += offset;
2139                         }
2140
2141                 }
2142         } catch (e) {
2143                 exception_error("scrollArticle", e);
2144         }
2145 }
2146
2147 function show_labels_in_headlines(transport) {
2148         try {
2149                 if (transport.responseXML) {
2150                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
2151
2152                         var elems = info.getElementsByTagName("entry");
2153
2154                         for (var l = 0; l < elems.length; l++) {
2155                                 var e_id = elems[l].getAttribute("id");
2156
2157                                 if (e_id) {
2158
2159                                         var ctr = $("HLLCTR-" + e_id);
2160
2161                                         if (ctr) {
2162                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
2163                                         }
2164                                 }
2165
2166                         }
2167
2168                 }
2169         } catch (e) {
2170                 exception_error("show_labels_in_headlines", e);
2171
2172         }
2173 }
2174
2175 function toggleHeadlineActions() {
2176         try {
2177                 var e = $("headlineActionsBody");
2178                 var p = $("headlineActionsDrop");
2179
2180                 if (!Element.visible(e)) {
2181                         Element.show(e);
2182                 } else {
2183                         Element.hide(e);
2184                 }
2185
2186                 e.scrollTop = 0;
2187                 e.style.left = (p.offsetLeft + 1) + "px";
2188                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
2189
2190         } catch (e) {
2191                 exception_error("toggleHeadlineActions", e);
2192         }
2193 }
2194
2195 function publishWithNote(id, def_note) {
2196         try {
2197                 if (!def_note) def_note = '';
2198
2199                 var note = prompt(__("Please enter a note for this article:"), def_note);
2200
2201                 if (note != undefined) {
2202                         togglePub(id, false, false, note);
2203                 }
2204
2205         } catch (e) {
2206                 exception_error("publishWithNote", e);
2207         }
2208 }
2209
2210 function emailArticle(id) {
2211         try {
2212                 if (!id) {
2213                         var ids = getSelectedArticleIds2();
2214
2215                         if (ids.length == 0) {
2216                                 alert(__("No articles are selected."));
2217                                 return;
2218                         }
2219
2220                         id = ids.toString();
2221                 }
2222
2223                 displayDlg('emailArticle', id,
2224                    function () {
2225                                 document.forms['article_email_form'].destination.focus();
2226
2227                            new Ajax.Autocompleter('destination', 'destination_choices',
2228                                    "backend.php?op=rpc&subop=completeEmails",
2229                                    { tokens: '', paramName: "search" });
2230
2231                         });
2232
2233         } catch (e) {
2234                 exception_error("emailArticle", e);
2235         }
2236 }
2237
2238 function emailArticleDo() {
2239         try {
2240                 var f = document.forms['article_email_form'];
2241
2242                 if (f.destination.value == "") {
2243                         alert("Please fill in the destination email.");
2244                         return;
2245                 }
2246
2247                 if (f.subject.value == "") {
2248                         alert("Please fill in the subject.");
2249                         return;
2250                 }
2251
2252                 var query = Form.serialize("article_email_form");
2253
2254 //              console.log(query);
2255
2256                 new Ajax.Request("backend.php", {
2257                         parameters: query,
2258                         onComplete: function(transport) {
2259                                 try {
2260
2261                                         var error = transport.responseXML.getElementsByTagName('error')[0];
2262
2263                                         if (error) {
2264                                                 alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
2265                                         } else {
2266                                                 notify_info('Your message has been sent.');
2267                                                 closeInfoBox();
2268                                         }
2269
2270                                 } catch (e) {
2271                                         exception_error("sendEmailDo", e);
2272                                 }
2273
2274                         } });
2275
2276         } catch (e) {
2277                 exception_error("emailArticleDo", e);
2278         }
2279 }
2280
2281 function dismissArticle(id) {
2282         try {
2283                 var elem = $("RROW-" + id);
2284
2285                 toggleUnread(id, 0, true);
2286
2287                 new Effect.Fade(elem, {duration : 0.5});
2288
2289         } catch (e) {
2290                 exception_error("dismissArticle", e);
2291         }
2292 }
2293
2294 function dismissSelectedArticles() {
2295         try {
2296
2297                 var ids = getVisibleArticleIds();
2298                 var tmp = [];
2299                 var sel = [];
2300
2301                 for (var i = 0; i < ids.length; i++) {
2302                         var elem = $("RROW-" + ids[i]);
2303
2304                         if (elem.className && elem.className.match("Selected")) {
2305                                 new Effect.Fade(elem, {duration : 0.5});
2306                                 sel.push(ids[i]);
2307                         } else {
2308                                 tmp.push(ids[i]);
2309                         }
2310                 }
2311
2312                 if (sel.length > 0)
2313                         selectionToggleUnread(false);
2314
2315                 fixHeadlinesOrder(tmp);
2316
2317         } catch (e) {
2318                 exception_error("dismissSelectedArticles", e);
2319         }
2320 }
2321
2322 function dismissReadArticles() {
2323         try {
2324
2325                 var ids = getVisibleArticleIds();
2326                 var tmp = [];
2327
2328                 for (var i = 0; i < ids.length; i++) {
2329                         var elem = $("RROW-" + ids[i]);
2330
2331                         if (elem.className && !elem.className.match("Unread") &&
2332                                         !elem.className.match("Selected")) {
2333
2334                                 new Effect.Fade(elem, {duration : 0.5});
2335                         } else {
2336                                 tmp.push(ids[i]);
2337                         }
2338                 }
2339
2340                 fixHeadlinesOrder(tmp);
2341
2342         } catch (e) {
2343                 exception_error("dismissSelectedArticles", e);
2344         }
2345 }
2346
2347 function getVisibleArticleIds() {
2348         var ids = [];
2349
2350         try {
2351                 var tmp = getLoadedArticleIds();
2352
2353                 for (var i = 0; i < tmp.length; i++) {
2354                         var elem = $("RROW-" + tmp[i]);
2355                         if (elem && Element.visible(elem))
2356                                 ids.push(tmp[i]);
2357                 }
2358
2359         } catch (e) {
2360                 exception_error("getVisibleArticleIds", e);
2361         }
2362
2363         return ids;
2364 }
2365
2366 function cdmClicked(event, id) {
2367         try {
2368                 var shift_key = event.shiftKey;
2369
2370                 hideAuxDlg();
2371
2372                 if (!event.ctrlKey) {
2373                         selectArticles("none");
2374                         toggleSelected(id);
2375
2376                         var elem = $("RROW-" + id);
2377
2378                         if (elem)
2379                                 elem.className = elem.className.replace("Unread", "");
2380
2381                         var upd_img_pic = $("FUPDPIC-" + id);
2382
2383                         if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
2384                                         upd_img_pic.src.match("fresh_sign.png"))) {
2385
2386                                 upd_img_pic.src = "images/blank_icon.gif";
2387                         }
2388
2389                         var query = "?op=rpc&subop=catchupSelected" +
2390                                 "&cmode=0&ids=" + param_escape(id);
2391
2392                         new Ajax.Request("backend.php", {
2393                                 parameters: query,
2394                                 onComplete: function(transport) {
2395                                         handle_rpc_reply(transport);
2396                                 } });
2397
2398                         return true;
2399                 } else {
2400                         toggleSelected(id);
2401                 }
2402
2403         } catch (e) {
2404                 exception_error("cdmClicked");
2405         }
2406
2407         return false;
2408 }
2409
2410 function hlClicked(event, id) {
2411         try {
2412                 var shift_key = event.shiftKey;
2413
2414                 if (!event.ctrlKey) {
2415                         view(id);
2416                         return true;
2417                 } else {
2418                         toggleSelected(id);
2419                         return false;
2420                 }
2421
2422         } catch (e) {
2423                 exception_error("hlClicked");
2424         }
2425
2426         return false;
2427 }
2428
2429 function getFirstVisibleHeadlineId() {
2430         var rows = getVisibleArticleIds();
2431         return rows[0];
2432
2433 }
2434
2435 function getLastVisibleHeadlineId() {
2436         var rows = getVisibleArticleIds();
2437         return rows[rows.length-1];
2438 }
2439
2440 // this only searches loaded headlines list, not in CDM
2441 function getRelativePostIds(id, limit) {
2442
2443         if (!limit) limit = 3;
2444
2445         //console.log("getRelativePostIds: " + id + " limit=" + limit);
2446
2447         var ids = new Array();
2448         var container = $("headlinesList");
2449
2450         if (container) {
2451                 var rows = container.rows;
2452
2453                 for (var i = 0; i < rows.length; i++) {
2454                         var r_id = rows[i].id.replace("RROW-", "");
2455
2456                         if (r_id == id) {
2457                                 for (var k = 1; k <= limit; k++) {
2458                                         var nid = false;
2459
2460                                         if (i > k-1) var nid = rows[i-k].id.replace("RROW-", "");
2461                                         if (nid) ids.push(nid);
2462
2463                                         if (i < rows.length-k) nid = rows[i+k].id.replace("RROW-", "");
2464                                         if (nid) ids.push(nid);
2465                                 }
2466
2467                                 return ids;
2468                         }
2469                 }
2470         }
2471
2472         return false;
2473 }
2474
2475 function openArticleInNewWindow(id) {
2476         try {
2477                 console.log("openArticleInNewWindow: " + id);
2478
2479                 var query = "?op=rpc&subop=getArticleLink&id=" + id;
2480                 var wname = "ttrss_article_" + id;
2481
2482                 console.log(query + " " + wname);
2483
2484                 var w = window.open("", wname);
2485
2486                 if (!w) notify_error("Failed to open window for the article");
2487
2488                 new Ajax.Request("backend.php", {
2489                         parameters: query,
2490                         onComplete: function(transport) {
2491
2492                                         var link = transport.responseXML.getElementsByTagName("link")[0];
2493                                         var id = transport.responseXML.getElementsByTagName("id")[0];
2494
2495                                         console.log("open_article received link: " + link);
2496
2497                                         if (link && id) {
2498
2499                                                 var wname = "ttrss_article_" + id.firstChild.nodeValue;
2500
2501                                                 console.log("link url: " + link.firstChild.nodeValue + ", wname " + wname);
2502
2503                                                 var w = window.open(link.firstChild.nodeValue, wname);
2504
2505                                                 if (!w) { notify_error("Failed to load article in new window"); }
2506
2507                                                 if (id) {
2508                                                         id = id.firstChild.nodeValue;
2509                                                         if (!$("headlinesList")) {
2510                                                                 window.setTimeout("toggleUnread(" + id + ", 0)", 100);
2511                                                         }
2512                                                 }
2513                                         } else {
2514                                                 notify_error("Can't open article: received invalid article link");
2515                                         }
2516                                 } });
2517
2518         } catch (e) {
2519                 exception_error("openArticleInNewWindow", e);
2520         }
2521 }
2522
2523 function isCdmMode() {
2524         return !$("headlinesList");
2525 }
2526
2527 function markHeadline(id) {
2528         var row = $("RROW-" + id);
2529         if (row) {
2530                 var is_active = false;
2531
2532                 if (row.className.match("Active")) {
2533                         is_active = true;
2534                 }
2535                 row.className = row.className.replace("Selected", "");
2536                 row.className = row.className.replace("Active", "");
2537                 row.className = row.className.replace("Insensitive", "");
2538
2539                 if (is_active) {
2540                         row.className = row.className = "Active";
2541                 }
2542
2543                 var check = $("RCHK-" + id);
2544
2545                 if (check) {
2546                         check.checked = true;
2547                 }
2548
2549                 row.className = row.className + "Selected";
2550
2551         }
2552 }
2553
2554