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 function catchup_callback2(transport, callback) {
  19         try {
  20                 debug("catchup_callback2 " + transport + ", " + callback);
  21                 notify("");
  22                 all_counters_callback2(transport);
  23                 if (callback) {
  24                         setTimeout(callback, 10);
  25                 }
  26         } catch (e) {
  27                 exception_error("catchup_callback2", e, transport);
  28         }
  29 }
  30
  31 function clean_feed_selections() {
  32         try {
  33                 var feeds = $("feedList").getElementsByTagName("LI");
  34
  35                 for (var i = 0; i < feeds.length; i++) {
  36                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  37                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  38                         }
  39                         if (feeds[i].id && feeds[i].id.match("FCAT-")) {
  40                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  41                         }
  42                 }
  43         } catch (e) {
  44                 exception_error("clean_feed_selections", e);
  45         }
  46 }
  47
  48 function headlines_callback2(transport, feed_cur_page) {
  49         try {
  50
  51                 if (!transport.responseText && db) {
  52                         offlineConfirmModeChange();
  53                         return;
  54                 }
  55
  56                 loading_set_progress(100);
  57
  58                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  59
  60                 if (!transport_error_check(transport)) return;
  61
  62                 clean_feed_selections();
  63
  64                 var is_cat = false;
  65                 var feed_id = false;
  66
  67                 if (transport.responseXML) {
  68                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  69                         if (headlines) {
  70                                 is_cat = headlines.getAttribute("is_cat");
  71                                 feed_id = headlines.getAttribute("id");
  72                                 setActiveFeedId(feed_id, is_cat);
  73                         }
  74                 }
  75
  76                 var ll = $('FLL-' + feed_id);
  77
  78                 if (!is_cat) {
  79                         var feedr = $("FEEDR-" + feed_id);
  80                         if (feedr && !feedr.className.match("Selected")) {
  81                                 feedr.className = feedr.className + "Selected";
  82                         }
  83                         if (feedr && ll) feedr.removeChild(ll);
  84                 } else {
  85                         var feedr = $("FCAT-" + feed_id);
  86                         if (feedr && !feedr.className.match("Selected")) {
  87                                 feedr.className = feedr.className + "Selected";
  88                         }
  89
  90                         var fcap = $("FCAP-" + feed_id);
  91                         if (fcap && ll) fcap.removeChild(ll);
  92
  93                 }
  94
  95                 var img = $('FIMG-' + feed_id);
  96
  97                 if (img && !is_cat) {
  98                         img.src = img.alt;
  99                 }
 100
 101                 var f = $("headlines-frame");
 102                 try {
 103                         if (feed_cur_page == 0) {
 104                                 debug("resetting headlines scrollTop");
 105                                 f.scrollTop = 0;
 106                         }
 107                 } catch (e) { };
 108
 109                 if (transport.responseXML) {
 110                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
 111                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
 112                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
 113                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
 114
 115                         var vgroup_last_feed_obj =  transport.responseXML.getElementsByTagName("vgroup-last-feed")[0];
 116
 117                         var headlines_count = headlines_count_obj.getAttribute("value");
 118                         var headlines_unread = headlines_unread_obj.getAttribute("value");
 119                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
 120
 121                         vgroup_last_feed = vgroup_last_feed_obj.getAttribute("value");
 122
 123                         if (headlines_count == 0) {
 124                                 _infscroll_disable = 1;
 125                         } else {
 126                                 _infscroll_disable = 0;
 127                         }
 128
 129                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 130                         var articles = transport.responseXML.getElementsByTagName("article");
 131                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 132
 133                         if (feed_cur_page == 0) {
 134                                 if (headlines) {
 135                                         f.innerHTML = headlines.firstChild.nodeValue;
 136
 137                                         var cache_prefix = "";
 138
 139                                         if (is_cat) {
 140                                                 cache_prefix = "C:";
 141                                         } else {
 142                                                 cache_prefix = "F:";
 143                                         }
 144
 145                                         cache_invalidate(cache_prefix + feed_id);
 146
 147                                         if (!disable_cache) {
 148                                                 cache_inject(cache_prefix + feed_id,
 149                                                         headlines.firstChild.nodeValue, headlines_unread);
 150                                         }
 151
 152                                 } else {
 153                                         debug("headlines_callback: returned no data");
 154                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 155
 156                                 }
 157                         } else {
 158                                 if (headlines) {
 159                                         if (headlines_count > 0) {
 160                                                 debug("adding some more headlines...");
 161
 162                                                 var c = $("headlinesList");
 163
 164                                                 if (!c) {
 165                                                         c = $("headlinesInnerContainer");
 166                                                 }
 167
 168                                                 var ids = getSelectedArticleIds2();
 169
 170                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 171
 172                                                 debug("restore selected ids: " + ids);
 173
 174                                                 for (var i = 0; i < ids.length; i++) {
 175                                                         markHeadline(ids[i]);
 176                                                 }
 177
 178                                         } else {
 179                                                 debug("no new headlines received");
 180                                         }
 181                                 } else {
 182                                         debug("headlines_callback: returned no data");
 183                                         notify_error("Error while trying to load more headlines");
 184                                 }
 185
 186                         }
 187
 188                         if (articles) {
 189                                 for (var i = 0; i < articles.length; i++) {
 190                                         var a_id = articles[i].getAttribute("id");
 191                                         debug("found id: " + a_id);
 192                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 193                                 }
 194                         } else {
 195                                 debug("no cached articles received");
 196                         }
 197
 198                         if (counters) {
 199                                 debug("parsing piggybacked counters: " + counters);
 200                                 parse_counters(counters, false);
 201                         } else {
 202                                 debug("counters container not found in reply, requesting...");
 203                                 request_counters();
 204                         }
 205
 206                         if (runtime_info) {
 207                                 debug("parsing runtime info: " + runtime_info[0]);
 208                                 parse_runtime_info(runtime_info[0]);
 209                         } else {
 210                                 debug("counters container not found in reply");
 211                         }
 212
 213                 } else {
 214                         debug("headlines_callback: returned no XML object");
 215                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 216                 }
 217
 218                 if (typeof correctPNG != 'undefined') {
 219                         correctPNG();
 220                 }
 221
 222                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 223
 224                 if (!$("headlinesList") &&
 225                                 getActiveFeedId() != -3 &&
 226                                 getInitParam("cdm_auto_catchup") == 1) {
 227                         debug("starting CDM watchdog");
 228                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 229                         _cdm_wd_vishist = new Array();
 230                 } else {
 231                         debug("not in CDM mode or watchdog disabled");
 232                 }
 233
 234                 _feed_cur_page = feed_cur_page;
 235                 _infscroll_request_sent = 0;
 236
 237                 notify("");
 238
 239                 remove_splash();
 240
 241         } catch (e) {
 242                 exception_error("headlines_callback2", e, transport);
 243         }
 244 }
 245
 246 function render_article(article) {
 247         try {
 248                 var f = $("content-frame");
 249                 try {
 250                         f.scrollTop = 0;
 251                 } catch (e) { };
 252
 253                 var fi = $("content-insert");
 254
 255                 try {
 256                         fi.scrollTop = 0;
 257                 } catch (e) { };
 258
 259                 fi.innerHTML = article;
 260
 261 //              article.evalScripts();
 262
 263         } catch (e) {
 264                 exception_error("render_article", e);
 265         }
 266 }
 267
 268 function showArticleInHeadlines(id) {
 269
 270         try {
 271
 272                 cleanSelected("headlinesList");
 273
 274                 var crow = $("RROW-" + id);
 275
 276                 if (!crow) return;
 277
 278                 var article_is_unread = crow.className.match("Unread");
 279
 280                 crow.className = crow.className.replace("Unread", "");
 281
 282                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 283
 284                 var upd_img_pic = $("FUPDPIC-" + id);
 285
 286                 var cache_prefix = "";
 287
 288                 if (activeFeedIsCat()) {
 289                         cache_prefix = "C:";
 290                 } else {
 291                         cache_prefix = "F:";
 292                 }
 293
 294                 var view_mode = false;
 295
 296                 try {
 297                         view_mode = document.forms['main_toolbar_form'].view_mode;
 298                         view_mode = view_mode[view_mode.selectedIndex].value;
 299                 } catch (e) {
 300                         //
 301                 }
 302
 303                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 304                                         upd_img_pic.src.match("fresh_sign.png"))) {
 305
 306                         upd_img_pic.src = "images/blank_icon.gif";
 307
 308                         cache_invalidate(cache_prefix + getActiveFeedId());
 309
 310                         cache_inject(cache_prefix + getActiveFeedId(),
 311                                 $("headlines-frame").innerHTML,
 312                                 get_feed_unread(getActiveFeedId()));
 313
 314                 } else if (article_is_unread && view_mode == "all_articles") {
 315
 316                         cache_invalidate(cache_prefix + getActiveFeedId());
 317
 318                         cache_inject(cache_prefix + getActiveFeedId(),
 319                                 $("headlines-frame").innerHTML,
 320                                 get_feed_unread(getActiveFeedId())-1);
 321
 322                 } else if (article_is_unread) {
 323                         cache_invalidate(cache_prefix + getActiveFeedId());
 324                 }
 325
 326                 markHeadline(id);
 327
 328         } catch (e) {
 329                 exception_error("showArticleInHeadlines", e);
 330         }
 331 }
 332
 333 function article_callback2(transport, id) {
 334         try {
 335                 debug("article_callback2 " + id);
 336
 337                 if (!transport.responseText && db) {
 338                         offlineConfirmModeChange();
 339                         return;
 340                 }
 341
 342                 if (transport.responseXML) {
 343
 344                         if (!transport_error_check(transport)) return;
 345
 346 /*                      var ll = $('LL-' + id);
 347                         var content = $('HLC-' + id);
 348
 349                         if (ll && content) content.removeChild(ll); */
 350
 351                         var upic = $('FUPDPIC-' + id);
 352
 353                         if (upic) {
 354                                 upic.src = 'images/blank_icon.gif';
 355                         }
 356
 357                         if (id != last_requested_article) {
 358                                 debug("requested article id is out of sequence, aborting");
 359                                 return;
 360                         }
 361
 362                         active_post_id = id;
 363
 364                         debug("looking for articles to cache...");
 365
 366                         var articles = transport.responseXML.getElementsByTagName("article");
 367
 368                         for (var i = 0; i < articles.length; i++) {
 369                                 var a_id = articles[i].getAttribute("id");
 370
 371                                 debug("found id: " + a_id);
 372
 373                                 if (a_id == active_post_id) {
 374                                         debug("active article, rendering...");
 375                                         render_article(articles[i].firstChild.nodeValue);
 376                                 }
 377
 378                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 379                         }
 380
 381
 382                         showArticleInHeadlines(id);
 383
 384                         if (db) {
 385                                 db.execute("UPDATE articles SET unread = 0 WHERE id = ?", [id]);
 386                         }
 387
 388                         var reply = transport.responseXML.firstChild.firstChild;
 389
 390                 } else {
 391                         debug("article_callback: returned no XML object");
 392                         //var f = $("content-frame");
 393                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 394                 }
 395
 396                 var date = new Date();
 397                 last_article_view = date.getTime() / 1000;
 398
 399                 if (typeof correctPNG != 'undefined') {
 400                         correctPNG();
 401                 }
 402
 403                 if (_reload_feedlist_after_view) {
 404                         setTimeout('updateFeedList(false, false)', 50);
 405                         _reload_feedlist_after_view = false;
 406                 } else {
 407                         if (transport.responseXML) {
 408                                 var counters = transport.responseXML.getElementsByTagName("counters")[0];
 409
 410                                 if (counters) {
 411                                         debug("parsing piggybacked counters: " + counters);
 412                                         parse_counters(counters, false);
 413                                 } else {
 414                                         debug("counters container not found in reply, requesting...");
 415                                         request_counters();
 416                                 }
 417                         }
 418                 }
 419
 420                 notify("");
 421         } catch (e) {
 422                 exception_error("article_callback2", e, transport);
 423         }
 424 }
 425
 426 function view(id) {
 427         try {
 428                 debug("loading article: " + id);
 429
 430                 if (offline_mode) return view_offline(id);
 431
 432                 var cached_article = cache_find(id);
 433
 434                 debug("cache check result: " + (cached_article != false));
 435
 436                 enableHotkeys();
 437                 hideAuxDlg();
 438
 439                 var query = "?op=view&id=" + param_escape(id);
 440
 441                 var neighbor_ids = getRelativePostIds(active_post_id);
 442
 443                 /* only request uncached articles */
 444
 445                 var cids_to_request = Array();
 446
 447                 for (var i = 0; i < neighbor_ids.length; i++) {
 448                         if (!cache_check(neighbor_ids[i])) {
 449                                 cids_to_request.push(neighbor_ids[i]);
 450                         }
 451                 }
 452
 453                 debug("additional ids: " + cids_to_request.toString());
 454
 455                 /* additional info for piggyback counters */
 456
 457                 if (tagsAreDisplayed()) {
 458                         query = query + "&omode=lt";
 459                 } else {
 460                         query = query + "&omode=flc";
 461                 }
 462
 463                 query = query + "&cids=" + cids_to_request.toString();
 464
 465                 var crow = $("RROW-" + id);
 466                 var article_is_unread = crow.className.match("Unread");
 467
 468                 if (!async_counters_work) {
 469                         query = query + "&csync=true";
 470                 }
 471
 472                 showArticleInHeadlines(id);
 473
 474                 if (!cached_article) {
 475
 476 //                      notify_progress("Loading, please wait...", true);
 477
 478 /*                      var content = $('HLC-' + id);
 479
 480                         if (content && !$('LL-' + id)) {
 481                                 var ll = document.createElement('img');
 482
 483                                 ll.src = 'images/indicator_tiny.gif';
 484                                 ll.className = 'hlLoading';
 485                                 ll.id = 'LL-' + id;
 486
 487                                 content.appendChild(ll);
 488
 489                         } */
 490
 491                         var upic = $('FUPDPIC-' + id);
 492
 493                         if (upic) {
 494                                 upic.src = getInitParam("sign_progress");
 495                         }
 496
 497                 } else if (cached_article && article_is_unread) {
 498
 499                         query = query + "&mode=prefetch";
 500
 501                         render_article(cached_article);
 502
 503                 } else if (cached_article) {
 504
 505                         query = query + "&mode=prefetch_old";
 506                         render_article(cached_article);
 507
 508                 }
 509
 510                 cache_expire();
 511
 512                 last_requested_article = id;
 513
 514                 new Ajax.Request("backend.php", {
 515                         parameters: query,
 516                         onComplete: function(transport) {
 517                                 article_callback2(transport, id);
 518                         } });
 519
 520                 return false;
 521
 522         } catch (e) {
 523                 exception_error("view", e);
 524         }
 525 }
 526
 527 function tMark(id) {
 528         return toggleMark(id);
 529 }
 530
 531 function tPub(id) {
 532         return togglePub(id);
 533 }
 534
 535 function tMark_afh_off(effect) {
 536         try {
 537                 var elem = effect.effects[0].element;
 538
 539                 debug("tMark_afh_off : " + elem.id);
 540
 541                 if (elem) {
 542                         elem.src = elem.src.replace("mark_set", "mark_unset");
 543                         elem.alt = __("Star article");
 544                         Element.show(elem);
 545                 }
 546
 547         } catch (e) {
 548                 exception_error("tMark_afh_off", e);
 549         }
 550 }
 551
 552 function tPub_afh_off(effect) {
 553         try {
 554                 var elem = effect.effects[0].element;
 555
 556                 debug("tPub_afh_off : " + elem.id);
 557
 558                 if (elem) {
 559                         elem.src = elem.src.replace("pub_set", "pub_unset");
 560                         elem.alt = __("Publish article");
 561                         Element.show(elem);
 562                 }
 563
 564         } catch (e) {
 565                 exception_error("tPub_afh_off", e);
 566         }
 567 }
 568
 569 function toggleMark(id, client_only, no_effects) {
 570
 571         try {
 572
 573                 var query = "?op=rpc&id=" + id + "&subop=mark";
 574
 575                 query = query + "&afid=" + getActiveFeedId();
 576
 577                 if (tagsAreDisplayed()) {
 578                         query = query + "&omode=tl";
 579                 } else {
 580                         query = query + "&omode=flc";
 581                 }
 582
 583                 var mark_img = $("FMPIC-" + id);
 584
 585                 if (!mark_img) return;
 586
 587                 var vfeedu = $("FEEDU--1");
 588                 var crow = $("RROW-" + id);
 589
 590                 if (mark_img.src.match("mark_unset")) {
 591                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 592                         mark_img.alt = __("Unstar article");
 593                         query = query + "&mark=1";
 594
 595                         if (db) {
 596                                 db.execute("UPDATE articles SET marked = 1 WHERE id = ?", [id]);
 597                         }
 598
 599                 } else {
 600                         //mark_img.src = "images/mark_unset.png";
 601                         mark_img.alt = __("Please wait...");
 602                         query = query + "&mark=0";
 603
 604                         if ($("headlinesList") && !no_effects) {
 605                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 606                         } else {
 607                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 608                                 mark_img.alt = __("Star article");
 609                         }
 610
 611                         if (db) {
 612                                 db.execute("UPDATE articles SET marked = 0 WHERE id = ?", [id]);
 613                         }
 614
 615                 }
 616
 617                 if (!no_effects) update_local_feedlist_counters();
 618
 619                 if (!client_only) {
 620                         debug(query);
 621
 622                         new Ajax.Request("backend.php", {
 623                                 parameters: query,
 624                                 onComplete: function(transport) {
 625                                         all_counters_callback2(transport);
 626                                 } });
 627
 628                 }
 629
 630         } catch (e) {
 631                 exception_error("toggleMark", e);
 632         }
 633 }
 634
 635 function togglePub(id, client_only, no_effects, note) {
 636
 637         try {
 638
 639                 var query = "?op=rpc&id=" + id + "&subop=publ";
 640
 641                 query = query + "&afid=" + getActiveFeedId();
 642
 643                 if (note != undefined) {
 644                         query = query + "&note=" + param_escape(note);
 645                 } else {
 646                         query = query + "&note=undefined";
 647                 }
 648
 649                 if (tagsAreDisplayed()) {
 650                         query = query + "&omode=tl";
 651                 } else {
 652                         query = query + "&omode=flc";
 653                 }
 654
 655                 var mark_img = $("FPPIC-" + id);
 656
 657                 if (!mark_img) return;
 658
 659                 var vfeedu = $("FEEDU--2");
 660                 var crow = $("RROW-" + id);
 661
 662                 if (mark_img.src.match("pub_unset") || note != undefined) {
 663                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 664                         mark_img.alt = __("Unpublish article");
 665                         query = query + "&pub=1";
 666
 667                 } else {
 668                         //mark_img.src = "images/pub_unset.png";
 669                         mark_img.alt = __("Please wait...");
 670                         query = query + "&pub=0";
 671
 672                         if ($("headlinesList") && !no_effects) {
 673                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 674                         } else {
 675                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 676                                 mark_img.alt = __("Publish article");
 677                         }
 678                 }
 679
 680                 if (!client_only) {
 681                         new Ajax.Request("backend.php", {
 682                                 parameters: query,
 683                                 onComplete: function(transport) {
 684                                         all_counters_callback2(transport);
 685
 686                                         var note = transport.responseXML.getElementsByTagName("note")[0];
 687
 688                                         if (note) {
 689                                                 var note_id = note.getAttribute("id");
 690                                                 var note_size = note.getAttribute("size");
 691                                                 var note_content = note.firstChild.nodeValue;
 692
 693                                                 var container = $('POSTNOTE-' + note_id);
 694
 695                                                 cache_invalidate(note_id);
 696
 697                                                 if (container) {
 698                                                         if (note_size == "0") {
 699                                                                 Element.hide(container);
 700                                                         } else {
 701                                                                 container.innerHTML = note_content;
 702                                                                 Element.show(container);
 703                                                         }
 704                                                 }
 705                                         }
 706
 707                                 } });
 708                 }
 709
 710         } catch (e) {
 711                 exception_error("togglePub", e);
 712         }
 713 }
 714
 715 function correctHeadlinesOffset(id) {
 716
 717         try {
 718
 719                 var hlist = $("headlinesList");
 720                 var container = $("headlinesInnerContainer");
 721                 var row = $("RROW-" + id);
 722
 723                 var viewport = container.offsetHeight;
 724
 725                 var rel_offset_top = row.offsetTop - container.scrollTop;
 726                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 727
 728                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 729                 debug("Vport: " + viewport);
 730
 731                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 732                         container.scrollTop = row.offsetTop;
 733                 } else if (rel_offset_bottom > viewport) {
 734
 735                         /* doesn't properly work with Opera in some cases because
 736                                 Opera fucks up element scrolling */
 737
 738                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 739                 }
 740
 741         } catch (e) {
 742                 exception_error("correctHeadlinesOffset", e);
 743         }
 744
 745 }
 746
 747 function moveToPost(mode) {
 748
 749         try {
 750
 751                 var rows;
 752
 753                 if (isCdmMode()) {
 754                         rows = cdmGetVisibleArticles();
 755                 } else {
 756                         rows = getVisibleHeadlineIds();
 757                 }
 758
 759                 var prev_id = false;
 760                 var next_id = false;
 761
 762                 if (!$('RROW-' + active_post_id)) {
 763                         active_post_id = false;
 764                 }
 765
 766                 if (active_post_id == false) {
 767                         next_id = getFirstVisibleHeadlineId();
 768                         prev_id = getLastVisibleHeadlineId();
 769                 } else {
 770                         for (var i = 0; i < rows.length; i++) {
 771                                 if (rows[i] == active_post_id) {
 772                                         prev_id = rows[i-1];
 773                                         next_id = rows[i+1];
 774                                 }
 775                         }
 776                 }
 777
 778                 if (mode == "next") {
 779                         if (next_id) {
 780                                 if (isCdmMode()) {
 781
 782                                         if (!cdmArticleIsActuallyVisible(next_id)) {
 783                                                 cdmScrollToArticleId(next_id);
 784                                         }
 785                                         cdmSelectArticles("none");
 786                                         toggleUnread(next_id, 0, true);
 787                                         toggleSelected(next_id);
 788
 789                                 } else {
 790                                         correctHeadlinesOffset(next_id);
 791                                         view(next_id, getActiveFeedId());
 792                                 }
 793                         }
 794                 }
 795
 796                 if (mode == "prev") {
 797                         if (prev_id) {
 798                                 if (isCdmMode()) {
 799                                         cdmScrollToArticleId(prev_id);
 800                                         cdmSelectArticles("none");
 801                                         toggleUnread(prev_id, 0, true);
 802                                         toggleSelected(prev_id);
 803                                 } else {
 804                                         correctHeadlinesOffset(prev_id);
 805                                         view(prev_id, getActiveFeedId());
 806                                 }
 807                         }
 808                 }
 809
 810         } catch (e) {
 811                 exception_error("moveToPost", e);
 812         }
 813 }
 814
 815 function toggleSelected(id) {
 816         try {
 817
 818                 var cb = $("RCHK-" + id);
 819
 820                 var row = $("RROW-" + id);
 821                 if (row) {
 822                         var nc = row.className;
 823
 824                         if (!nc.match("Selected")) {
 825                                 nc = nc + "Selected";
 826                                 if (cb) {
 827                                         cb.checked = true;
 828                                 }
 829
 830                                 // In CDM basically last selected article == active article
 831                                 if (isCdmMode()) active_post_id = id;
 832                         } else {
 833                                 nc = nc.replace("Selected", "");
 834                                 if (cb) {
 835                                         cb.checked = false;
 836                                 }
 837
 838                         }
 839
 840                         row.className = nc;
 841                 }
 842         } catch (e) {
 843                 exception_error("toggleSelected", e);
 844         }
 845 }
 846
 847 function toggleUnread_afh(effect) {
 848         try {
 849
 850                 var elem = effect.element;
 851                 elem.style.backgroundColor = "";
 852
 853         } catch (e) {
 854                 exception_error("toggleUnread_afh", e);
 855         }
 856 }
 857
 858 function toggleUnread(id, cmode, effect) {
 859         try {
 860
 861                 var row = $("RROW-" + id);
 862                 if (row) {
 863                         var nc = row.className;
 864                         var is_selected = row.className.match("Selected");
 865                         nc = nc.replace("Unread", "");
 866                         nc = nc.replace("Selected", "");
 867
 868                         // since we are removing selection from the object, uncheck
 869                         // corresponding checkbox
 870
 871                         var cb = $("RCHK-" + id);
 872                         if (cb) {
 873                                 cb.checked = false;
 874                         }
 875
 876                         // NOTE: I'm not sure that resetting selection here is a feature -fox
 877
 878                         if (cmode == undefined || cmode == 2) {
 879                                 if (row.className.match("Unread")) {
 880                                         row.className = nc;
 881
 882                                         if (effect) {
 883                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 884                                                         afterFinish: toggleUnread_afh,
 885                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 886                                         }
 887
 888                                 } else {
 889                                         row.className = nc + "Unread";
 890                                 }
 891
 892                                 if (db) {
 893                                         db.execute("UPDATE articles SET unread = not unread "+
 894                                                 "WHERE id = ?", [id]);
 895                                 }
 896
 897                         } else if (cmode == 0) {
 898                                 row.className = nc;
 899
 900                                 if (effect) {
 901                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 902                                                 afterFinish: toggleUnread_afh,
 903                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 904                                 }
 905
 906                                 if (db) {
 907                                         db.execute("UPDATE articles SET unread = 0 "+
 908                                                 "WHERE id = ?", [id]);
 909                                 }
 910
 911                         } else if (cmode == 1) {
 912                                 row.className = nc + "Unread";
 913
 914                                 if (db) {
 915                                         db.execute("UPDATE articles SET unread = 1 "+
 916                                                 "WHERE id = ?", [id]);
 917                                 }
 918
 919                         }
 920
 921                         update_local_feedlist_counters();
 922
 923                         // Disable unmarking as selected for the time being (16.05.08) -fox
 924                         if (is_selected) row.className = row.className + "Selected";
 925
 926                         if (cmode == undefined) cmode = 2;
 927
 928                         var query = "?op=rpc&subop=catchupSelected" +
 929                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 930
 931 //                      notify_progress("Loading, please wait...");
 932
 933                         new Ajax.Request("backend.php", {
 934                                 parameters: query,
 935                                 onComplete: function(transport) {
 936                                         all_counters_callback2(transport);
 937                                 } });
 938
 939                 }
 940
 941         } catch (e) {
 942                 exception_error("toggleUnread", e);
 943         }
 944 }
 945
 946 function selectionRemoveLabel(id) {
 947         try {
 948
 949                 var ids = getSelectedArticleIds2();
 950
 951                 if (ids.length == 0) {
 952                         alert(__("No articles are selected."));
 953                         return;
 954                 }
 955
 956 //              var ok = confirm(__("Remove selected articles from label?"));
 957
 958 //              if (ok) {
 959
 960                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 961                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 962
 963 //                      notify_progress("Loading, please wait...");
 964
 965                         cache_invalidate("F:" + (-11 - id));
 966
 967                         new Ajax.Request("backend.php", {
 968                                 parameters: query,
 969                                 onComplete: function(transport) {
 970                                         show_labels_in_headlines(transport);
 971                                         all_counters_callback2(transport);
 972                                 } });
 973
 974 //              }
 975
 976         } catch (e) {
 977                 exception_error("selectionAssignLabel", e);
 978
 979         }
 980 }
 981
 982 function selectionAssignLabel(id) {
 983         try {
 984
 985                 var ids = getSelectedArticleIds2();
 986
 987                 if (ids.length == 0) {
 988                         alert(__("No articles are selected."));
 989                         return;
 990                 }
 991
 992 //              var ok = confirm(__("Assign selected articles to label?"));
 993
 994 //              if (ok) {
 995
 996                         cache_invalidate("F:" + (-11 - id));
 997
 998                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 999                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
1000
1001 //                      notify_progress("Loading, please wait...");
1002
1003                         new Ajax.Request("backend.php", {
1004                                 parameters: query,
1005                                 onComplete: function(transport) {
1006                                         show_labels_in_headlines(transport);
1007                                         all_counters_callback2(transport);
1008                                 } });
1009
1010 //              }
1011
1012         } catch (e) {
1013                 exception_error("selectionAssignLabel", e);
1014
1015         }
1016 }
1017
1018 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
1019         try {
1020                 var rows;
1021
1022                 if (cdm_mode) {
1023                         rows = cdmGetSelectedArticles();
1024                 } else {
1025                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1026                 }
1027
1028                 if (rows.length == 0 && !no_error) {
1029                         alert(__("No articles are selected."));
1030                         return;
1031                 }
1032
1033                 for (i = 0; i < rows.length; i++) {
1034                         var row = $("RROW-" + rows[i]);
1035                         if (row) {
1036                                 var nc = row.className;
1037                                 nc = nc.replace("Unread", "");
1038                                 nc = nc.replace("Selected", "");
1039
1040                                 if (set_state == undefined) {
1041                                         if (row.className.match("Unread")) {
1042                                                 row.className = nc + "Selected";
1043                                         } else {
1044                                                 row.className = nc + "UnreadSelected";
1045                                         }
1046                                         if (db) {
1047                                                 db.execute("UPDATE articles SET unread = NOT unread WHERE id = ?",
1048                                                         [rows[i]]);
1049                                         }
1050                                 }
1051
1052                                 if (set_state == false) {
1053                                         row.className = nc + "Selected";
1054                                         if (db) {
1055                                                 db.execute("UPDATE articles SET unread = 0 WHERE id = ?",
1056                                                         [rows[i]]);
1057                                         }
1058                                 }
1059
1060                                 if (set_state == true) {
1061                                         row.className = nc + "UnreadSelected";
1062                                         if (db) {
1063                                                 db.execute("UPDATE articles SET unread = 1 WHERE id = ?",
1064                                                         [rows[i]]);
1065                                         }
1066                                 }
1067                         }
1068                 }
1069
1070                 if (rows.length > 0) {
1071
1072                         update_local_feedlist_counters();
1073
1074                         var cmode = "";
1075
1076                         if (set_state == undefined) {
1077                                 cmode = "2";
1078                         } else if (set_state == true) {
1079                                 cmode = "1";
1080                         } else if (set_state == false) {
1081                                 cmode = "0";
1082                         }
1083
1084                         var query = "?op=rpc&subop=catchupSelected" +
1085                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
1086
1087                         notify_progress("Loading, please wait...");
1088
1089                         new Ajax.Request("backend.php", {
1090                                 parameters: query,
1091                                 onComplete: function(transport) {
1092                                         catchup_callback2(transport, callback_func);
1093                                 } });
1094
1095                 }
1096
1097         } catch (e) {
1098                 exception_error("selectionToggleUnread", e);
1099         }
1100 }
1101
1102 function selectionToggleMarked(cdm_mode) {
1103         try {
1104
1105                 var rows;
1106
1107                 if (cdm_mode) {
1108                         rows = cdmGetSelectedArticles();
1109                 } else {
1110                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1111                 }
1112
1113                 if (rows.length == 0) {
1114                         alert(__("No articles are selected."));
1115                         return;
1116                 }
1117
1118                 for (i = 0; i < rows.length; i++) {
1119                         toggleMark(rows[i], true, true);
1120                 }
1121
1122                 update_local_feedlist_counters();
1123
1124                 if (rows.length > 0) {
1125
1126                         var query = "?op=rpc&subop=markSelected&ids=" +
1127                                 param_escape(rows.toString()) + "&cmode=2";
1128
1129                         query = query + "&afid=" + getActiveFeedId();
1130
1131 /*                      if (tagsAreDisplayed()) {
1132                                 query = query + "&omode=tl";
1133                         } else {
1134                                 query = query + "&omode=flc";
1135                         } */
1136
1137                         query = query + "&omode=lc";
1138
1139                         new Ajax.Request("backend.php", {
1140                                 parameters: query,
1141                                 onComplete: function(transport) {
1142                                         all_counters_callback2(transport);
1143                                 } });
1144
1145                 }
1146
1147         } catch (e) {
1148                 exception_error("selectionToggleMarked", e);
1149         }
1150 }
1151
1152 function selectionTogglePublished(cdm_mode) {
1153         try {
1154
1155                 var rows;
1156
1157                 if (cdm_mode) {
1158                         rows = cdmGetSelectedArticles();
1159                 } else {
1160                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1161                 }
1162
1163                 if (rows.length == 0) {
1164                         alert(__("No articles are selected."));
1165                         return;
1166                 }
1167
1168                 for (i = 0; i < rows.length; i++) {
1169                         togglePub(rows[i], true, true);
1170                 }
1171
1172                 if (rows.length > 0) {
1173
1174                         var query = "?op=rpc&subop=publishSelected&ids=" +
1175                                 param_escape(rows.toString()) + "&cmode=2";
1176
1177                         query = query + "&afid=" + getActiveFeedId();
1178
1179 /*                      if (tagsAreDisplayed()) {
1180                                 query = query + "&omode=tl";
1181                         } else {
1182                                 query = query + "&omode=flc";
1183                         } */
1184
1185                         query = query + "&omode=lc";
1186
1187                         new Ajax.Request("backend.php", {
1188                                 parameters: query,
1189                                 onComplete: function(transport) {
1190                                         all_counters_callback2(transport);
1191                                 } });
1192
1193                 }
1194
1195         } catch (e) {
1196                 exception_error("selectionToggleMarked", e);
1197         }
1198 }
1199
1200 function cdmGetSelectedArticles() {
1201         var sel_articles = new Array();
1202         var container = $("headlinesInnerContainer");
1203
1204         for (i = 0; i < container.childNodes.length; i++) {
1205                 var child = container.childNodes[i];
1206
1207                 if (child.id && child.id.match("RROW-") && child.className.match("Selected")) {
1208                         var c_id = child.id.replace("RROW-", "");
1209                         sel_articles.push(c_id);
1210                 }
1211         }
1212
1213         return sel_articles;
1214 }
1215
1216 function cdmGetVisibleArticles() {
1217         var sel_articles = new Array();
1218         var container = $("headlinesInnerContainer");
1219
1220         if (!container) return sel_articles;
1221
1222         for (i = 0; i < container.childNodes.length; i++) {
1223                 var child = container.childNodes[i];
1224
1225                 if (child.id && child.id.match("RROW-")) {
1226                         var c_id = child.id.replace("RROW-", "");
1227                         sel_articles.push(c_id);
1228                 }
1229         }
1230
1231         return sel_articles;
1232 }
1233
1234 function cdmGetUnreadArticles() {
1235         var sel_articles = new Array();
1236         var container = $("headlinesInnerContainer");
1237
1238         for (i = 0; i < container.childNodes.length; i++) {
1239                 var child = container.childNodes[i];
1240
1241                 if (child.id && child.id.match("RROW-") && child.className.match("Unread")) {
1242                         var c_id = child.id.replace("RROW-", "");
1243                         sel_articles.push(c_id);
1244                 }
1245         }
1246
1247         return sel_articles;
1248 }
1249
1250
1251 // mode = all,none,unread
1252 function cdmSelectArticles(mode) {
1253         var container = $("headlinesInnerContainer");
1254
1255         for (i = 0; i < container.childNodes.length; i++) {
1256                 var child = container.childNodes[i];
1257
1258                 if (child.id && child.id.match("RROW-")) {
1259                         var aid = child.id.replace("RROW-", "");
1260
1261                         var cb = $("RCHK-" + aid);
1262
1263                         if (mode == "all") {
1264                                 if (!child.className.match("Selected")) {
1265                                         child.className = child.className + "Selected";
1266                                         cb.checked = true;
1267                                 }
1268                         } else if (mode == "unread") {
1269                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
1270                                         child.className = child.className + "Selected";
1271                                         cb.checked = true;
1272                                 }
1273                         } else {
1274                                 child.className = child.className.replace("Selected", "");
1275                                 cb.checked = false;
1276                         }
1277                 }
1278         }
1279 }
1280
1281 function catchupPage() {
1282
1283         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1284
1285         var str = __("Mark all visible articles in %s as read?");
1286
1287         str = str.replace("%s", fn);
1288
1289         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1290                 return;
1291         }
1292
1293         if ($("headlinesList")) {
1294                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
1295                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1296                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1297         } else {
1298                 cdmSelectArticles('all');
1299                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1300                 cdmSelectArticles('none');
1301         }
1302 }
1303
1304 function deleteSelection() {
1305
1306         try {
1307
1308                 var rows;
1309
1310                 if ($("headlinesList")) {
1311                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1312                 } else {
1313                         rows = cdmGetSelectedArticles();
1314                 }
1315
1316                 if (rows.length == 0) {
1317                         alert(__("No articles are selected."));
1318                         return;
1319                 }
1320
1321
1322                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1323                 var str;
1324                 var op;
1325
1326                 if (getActiveFeedId() != 0) {
1327                         str = __("Delete %d selected articles in %s?");
1328                 } else {
1329                         str = __("Delete %d selected articles?");
1330                 }
1331
1332                 str = str.replace("%d", rows.length);
1333                 str = str.replace("%s", fn);
1334
1335                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1336                         return;
1337                 }
1338
1339                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
1340
1341                 debug(query);
1342
1343                 new Ajax.Request("backend.php", {
1344                         parameters: query,
1345                         onComplete: function(transport) {
1346                                         viewCurrentFeed();
1347                                 } });
1348
1349         } catch (e) {
1350                 exception_error("deleteSelection", e);
1351         }
1352 }
1353
1354 function archiveSelection() {
1355
1356         try {
1357
1358                 var rows;
1359
1360                 if ($("headlinesList")) {
1361                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1362                 } else {
1363                         rows = cdmGetSelectedArticles();
1364                 }
1365
1366                 if (rows.length == 0) {
1367                         alert(__("No articles are selected."));
1368                         return;
1369                 }
1370
1371
1372                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1373                 var str;
1374                 var op;
1375
1376                 if (getActiveFeedId() != 0) {
1377                         str = __("Archive %d selected articles in %s?");
1378                         op = "archive";
1379                 } else {
1380                         str = __("Move %d archived articles back?");
1381                         op = "unarchive";
1382                 }
1383
1384                 str = str.replace("%d", rows.length);
1385                 str = str.replace("%s", fn);
1386
1387                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1388                         return;
1389                 }
1390
1391                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
1392
1393                 debug(query);
1394
1395                 for (var i = 0; i < rows.length; i++) {
1396                         cache_invalidate(rows[i]);
1397                 }
1398
1399                 new Ajax.Request("backend.php", {
1400                         parameters: query,
1401                         onComplete: function(transport) {
1402                                         viewCurrentFeed();
1403                                 } });
1404
1405         } catch (e) {
1406                 exception_error("archiveSelection", e);
1407         }
1408 }
1409
1410 function catchupSelection() {
1411
1412         try {
1413
1414                 var rows;
1415
1416                 if ($("headlinesList")) {
1417                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1418                 } else {
1419                         rows = cdmGetSelectedArticles();
1420                 }
1421
1422                 if (rows.length == 0) {
1423                         alert(__("No articles are selected."));
1424                         return;
1425                 }
1426
1427
1428                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1429
1430                 var str = __("Mark %d selected articles in %s as read?");
1431
1432                 str = str.replace("%d", rows.length);
1433                 str = str.replace("%s", fn);
1434
1435                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1436                         return;
1437                 }
1438
1439                 if ($("headlinesList")) {
1440                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1441         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1442                 } else {
1443                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1444         //              cdmSelectArticles('none');
1445                 }
1446
1447         } catch (e) {
1448                 exception_error("catchupSelection", e);
1449         }
1450 }
1451
1452 function editArticleTags(id, feed_id, cdm_enabled) {
1453         displayDlg('editArticleTags', id,
1454                            function () {
1455                                    new Ajax.Autocompleter('tags_str', 'tags_choices',
1456                                            "backend.php?op=rpc&subop=completeTags",
1457                                            { tokens: ',', paramName: "search" });
1458                            });
1459 }
1460
1461 function editTagsSave() {
1462
1463         notify_progress("Saving article tags...");
1464
1465         var form = document.forms["tag_edit_form"];
1466
1467         var query = Form.serialize("tag_edit_form");
1468
1469         query = "?op=rpc&subop=setArticleTags&" + query;
1470
1471         debug(query);
1472
1473         new Ajax.Request("backend.php", {
1474                 parameters: query,
1475                 onComplete: function(transport) {
1476                                 try {
1477                                         debug("tags saved...");
1478
1479                                         closeInfoBox();
1480                                         notify("");
1481
1482                                         if (tagsAreDisplayed()) {
1483                                                 _reload_feedlist_after_view = true;
1484                                         }
1485
1486                                         if (transport.responseXML) {
1487                                                 var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1488
1489                                                 if (tags_str) {
1490                                                         var id = tags_str.getAttribute("id");
1491
1492                                                         if (id) {
1493                                                                 var tags = $("ATSTR-" + id);
1494                                                                 if (tags) {
1495                                                                         tags.innerHTML = tags_str.firstChild.nodeValue;
1496                                                                 }
1497
1498                                                                 cache_invalidate(id);
1499                                                         }
1500                                                 }
1501                                         }
1502
1503                                 } catch (e) {
1504                                         exception_error("editTagsSave", e);
1505                                 }
1506                         } });
1507 }
1508
1509 function editTagsInsert() {
1510         try {
1511
1512                 var form = document.forms["tag_edit_form"];
1513
1514                 var found_tags = form.found_tags;
1515                 var tags_str = form.tags_str;
1516
1517                 var tag = found_tags[found_tags.selectedIndex].value;
1518
1519                 if (tags_str.value.length > 0 &&
1520                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1521
1522                         tags_str.value = tags_str.value + ", ";
1523                 }
1524
1525                 tags_str.value = tags_str.value + tag + ", ";
1526
1527                 found_tags.selectedIndex = 0;
1528
1529         } catch (e) {
1530                 exception_error("editTagsInsert", e);
1531         }
1532 }
1533
1534 function cdmScrollViewport(where) {
1535         debug("cdmScrollViewport: " + where);
1536
1537         var ctr = $("headlinesInnerContainer");
1538
1539         if (!ctr) return;
1540
1541         if (where == "bottom") {
1542                 ctr.scrollTop = ctr.scrollHeight;
1543         } else {
1544                 ctr.scrollTop = where;
1545         }
1546 }
1547
1548 function cdmArticleIsBelowViewport(id) {
1549         try {
1550                 var ctr = $("headlinesInnerContainer");
1551                 var e = $("RROW-" + id);
1552
1553                 if (!e || !ctr) return;
1554
1555                 // article starts below viewport
1556
1557                 if (ctr.scrollTop < e.offsetTop) {
1558                         return true;
1559                 } else {
1560                         return false;
1561                 }
1562
1563         } catch (e) {
1564                 exception_error("cdmArticleIsVisible", e);
1565         }
1566 }
1567
1568 function cdmArticleIsAboveViewport(id) {
1569         try {
1570                 var ctr = $("headlinesInnerContainer");
1571                 var e = $("RROW-" + id);
1572
1573                 if (!e || !ctr) return;
1574
1575                 // article starts above viewport
1576
1577                 if (ctr.scrollTop > e.offsetTop + e.offsetHeight) {
1578                         return true;
1579                 } else {
1580                         return false;
1581                 }
1582
1583         } catch (e) {
1584                 exception_error("cdmArticleIsVisible", e);
1585         }
1586 }
1587
1588 function cdmScrollToArticleId(id) {
1589         try {
1590                 var ctr = $("headlinesInnerContainer");
1591                 var e = $("RROW-" + id);
1592
1593                 if (!e || !ctr) return;
1594
1595                 ctr.scrollTop = e.offsetTop;
1596
1597         } catch (e) {
1598                 exception_error("cdmScrollToArticleId", e);
1599         }
1600 }
1601
1602 function cdmArticleIsActuallyVisible(id) {
1603         try {
1604                 var ctr = $("headlinesInnerContainer");
1605                 var e = $("RROW-" + id);
1606
1607                 if (!e || !ctr) return;
1608
1609                 // article fits in viewport OR article is longer than viewport and
1610                 // its bottom is visible
1611
1612                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1613                                 ctr.scrollTop + ctr.offsetHeight) {
1614
1615                         return true;
1616
1617                 } else if (e.offsetHeight > ctr.offsetHeight &&
1618                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1619                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1620
1621                         return true;
1622
1623                 }
1624
1625                 return false;
1626
1627         } catch (e) {
1628                 exception_error("cdmArticleIsVisible", e);
1629         }
1630 }
1631
1632 function cdmWatchdog() {
1633
1634         try {
1635
1636                 var ctr = $("headlinesInnerContainer");
1637
1638                 if (!ctr) return;
1639
1640                 var ids = new Array();
1641
1642                 var e = ctr.firstChild;
1643
1644                 while (e) {
1645                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1646                                         e.id.match("RROW-")) {
1647
1648                                 // article fits in viewport OR article is longer than viewport and
1649                                 // its bottom is visible
1650
1651                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1652                                                 ctr.scrollTop + ctr.offsetHeight) {
1653
1654 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1655 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1656 //                                              (ctr.scrollTop + ctr.offsetHeight));
1657
1658                                         ids.push(e.id.replace("RROW-", ""));
1659
1660                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1661                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1662                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1663
1664                                         ids.push(e.id.replace("RROW-", ""));
1665
1666                                 }
1667
1668                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1669
1670 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1671                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1672
1673                                         ids.push(e.id.replace("RROW-", ""));
1674
1675                                 } */
1676
1677                         }
1678
1679                         e = e.nextSibling;
1680                 }
1681
1682                 debug("cdmWatchdog, ids= " + ids.toString());
1683
1684                 if (ids.length > 0) {
1685
1686                         for (var i = 0; i < ids.length; i++) {
1687                                 var e = $("RROW-" + ids[i]);
1688                                 if (e) {
1689                                         e.className = e.className.replace("Unread", "");
1690                                 }
1691                         }
1692
1693                         var query = "?op=rpc&subop=catchupSelected" +
1694                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1695
1696                         new Ajax.Request("backend.php", {
1697                                 parameters: query,
1698                                 onComplete: function(transport) {
1699                                         all_counters_callback2(transport);
1700                                 } });
1701
1702                 }
1703
1704                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1705
1706         } catch (e) {
1707                 exception_error("cdmWatchdog", e);
1708         }
1709
1710 }
1711
1712
1713 function cache_inject(id, article, param) {
1714         try {
1715                 if (!cache_check_param(id, param)) {
1716                         debug("cache_article: miss: " + id + " [p=" + param + "]");
1717
1718                         if (db) {
1719
1720                            var date = new Date();
1721                       var ts = Math.round(date.getTime() / 1000);
1722
1723                                 db.execute("INSERT INTO cache (id, article, param, added) VALUES (?, ?, ?, ?)",
1724                                         [id, article, param, ts]);
1725                         } else {
1726
1727                                 var cache_obj = new Array();
1728
1729                                 cache_obj["id"] = id;
1730                                 cache_obj["data"] = article;
1731                                 cache_obj["param"] = param;
1732
1733                                 article_cache.push(cache_obj);
1734                         }
1735
1736                 } else {
1737                         debug("cache_article: hit: " + id + " [p=" + param + "]");
1738                 }
1739         } catch (e) {
1740                 exception_error("cache_inject", e);
1741         }
1742 }
1743
1744 function cache_find(id) {
1745
1746         if (db) {
1747                 var rs = db.execute("SELECT article FROM cache WHERE id = ?", [id]);
1748                 var a = false;
1749
1750                 if (rs.isValidRow()) {
1751                         var a = rs.field(0);
1752                 }
1753
1754                 rs.close();
1755
1756                 return a;
1757
1758         } else {
1759                 for (var i = 0; i < article_cache.length; i++) {
1760                         if (article_cache[i]["id"] == id) {
1761                                 return article_cache[i]["data"];
1762                         }
1763                 }
1764         }
1765         return false;
1766 }
1767
1768 function cache_find_param(id, param) {
1769
1770         if (db) {
1771                 var rs = db.execute("SELECT article FROM cache WHERE id = ? AND param = ?",
1772                         [id, param]);
1773                 var a = false;
1774
1775                 if (rs.isValidRow()) {
1776                         a = rs.field(0);
1777                 }
1778
1779                 rs.close();
1780
1781                 return a;
1782
1783         } else {
1784                 for (var i = 0; i < article_cache.length; i++) {
1785                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1786                                 return article_cache[i]["data"];
1787                         }
1788                 }
1789         }
1790         return false;
1791 }
1792
1793 function cache_check(id) {
1794
1795         if (db) {
1796                 var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ?",
1797                         [id]);
1798                 var a = false;
1799
1800                 if (rs.isValidRow()) {
1801                          a = rs.field(0) != "0";
1802                 }
1803
1804                 rs.close();
1805
1806                 return a;
1807
1808         } else {
1809                 for (var i = 0; i < article_cache.length; i++) {
1810                         if (article_cache[i]["id"] == id) {
1811                                 return true;
1812                         }
1813                 }
1814         }
1815         return false;
1816 }
1817
1818 function cache_check_param(id, param) {
1819
1820         if (db) {
1821                 var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ? AND param = ?",
1822                         [id, param]);
1823                 var a = false;
1824
1825                 if (rs.isValidRow()) {
1826                         a = rs.field(0) != "0";
1827                 }
1828
1829                 rs.close();
1830
1831                 return a;
1832
1833         } else {
1834                 for (var i = 0; i < article_cache.length; i++) {
1835                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1836                                 return true;
1837                         }
1838                 }
1839         }
1840         return false;
1841 }
1842
1843 function cache_expire() {
1844         if (db) {
1845                 var date = new Date();
1846                 var ts = Math.round(date.getTime() / 1000);
1847
1848                 db.execute("DELETE FROM cache WHERE added < ? - 1800 AND id LIKE 'FEEDLIST'", [ts]);
1849                 db.execute("DELETE FROM cache WHERE added < ? - 600 AND (id LIKE 'F:%' OR id LIKE 'C:%')", [ts]);
1850                 db.execute("DELETE FROM cache WHERE added < ? - 86400", [ts]);
1851
1852
1853         } else {
1854                 while (article_cache.length > 25) {
1855                         article_cache.shift();
1856                 }
1857         }
1858 }
1859
1860 function cache_flush() {
1861         article_cache = new Array();
1862 }
1863
1864 function cache_invalidate(id) {
1865         try {
1866
1867                 if (db) {
1868                         rs = db.execute("DELETE FROM cache WHERE id = ?", [id]);
1869                         return rs.rowsAffected != 0;
1870                 } else {
1871
1872                         var i = 0
1873
1874                         while (i < article_cache.length) {
1875                                 if (article_cache[i]["id"] == id) {
1876                                         debug("cache_invalidate: removed id " + id);
1877                                         article_cache.splice(i, 1);
1878                                         return true;
1879                                 }
1880                                 i++;
1881                         }
1882                 }
1883
1884                 debug("cache_invalidate: id not found: " + id);
1885                 return false;
1886         } catch (e) {
1887                 exception_error("cache_invalidate", e);
1888         }
1889 }
1890
1891 function getActiveArticleId() {
1892         return active_post_id;
1893 }
1894
1895 function cdmClicked(id) {
1896         try {
1897                 var elem = $("RROW-" + id);
1898
1899                 if (elem) {
1900                         var id = elem.id.replace("RROW-", "");
1901                         active_post_id = id;
1902
1903 //                      cdmSelectArticles("none");
1904                         toggleUnread(id, 0, true);
1905 //                      toggleSelected(id);
1906
1907                 }
1908         } catch (e) {
1909                 exception_error("cdmClicked", e);
1910         }
1911 }
1912
1913 function preloadArticleUnderPointer(id) {
1914         try {
1915                 if (getInitParam("bw_limit") == "1") return;
1916
1917                 if (post_under_pointer == id && !cache_check(id)) {
1918
1919                         debug("trying to preload article " + id);
1920
1921                         var neighbor_ids = getRelativePostIds(id, 1);
1922
1923                         /* only request uncached articles */
1924
1925                         var cids_to_request = Array();
1926
1927                         for (var i = 0; i < neighbor_ids.length; i++) {
1928                                 if (!cache_check(neighbor_ids[i])) {
1929                                         cids_to_request.push(neighbor_ids[i]);
1930                                 }
1931                         }
1932                         debug("additional ids: " + cids_to_request.toString());
1933
1934                         cids_to_request.push(id);
1935
1936                         var query = "?op=rpc&subop=getArticles&ids=" +
1937                                 cids_to_request.toString();
1938
1939                         new Ajax.Request("backend.php", {
1940                                 parameters: query,
1941                                 onComplete: function(transport) {
1942                                         var articles = transport.responseXML.getElementsByTagName("article");
1943
1944                                         for (var i = 0; i < articles.length; i++) {
1945                                                 var id = articles[i].getAttribute("id");
1946                                                 if (!cache_check(id)) {
1947                                                         cache_inject(id, articles[i].firstChild.nodeValue);
1948                                                         debug("preloaded article: " + id);
1949                                                 }
1950                                         }
1951                         } });
1952                 }
1953         } catch (e) {
1954                 exception_error("preloadArticleUnderPointer", e);
1955         }
1956 }
1957
1958 function postMouseIn(id) {
1959         try {
1960                 if (post_under_pointer != id) {
1961                         post_under_pointer = id;
1962                         if (!isCdmMode()) {
1963                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1964                         }
1965                 }
1966
1967         } catch (e) {
1968                 exception_error("postMouseIn", e);
1969         }
1970 }
1971
1972 function postMouseOut(id) {
1973         try {
1974                 post_under_pointer = false;
1975         } catch (e) {
1976                 exception_error("postMouseOut", e);
1977         }
1978 }
1979
1980 function headlines_scroll_handler() {
1981         try {
1982
1983                 var e = $("headlinesInnerContainer");
1984
1985                 var toolbar_form = document.forms["main_toolbar_form"];
1986
1987                 debug((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1988                         _infscroll_disable);
1989
1990                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1991                         if (!_infscroll_disable) {
1992                                 debug("more cowbell!");
1993                                 viewNextFeedPage();
1994                         }
1995                 }
1996
1997         } catch (e) {
1998                 exception_error("headlines_scroll_handler", e);
1999         }
2000 }
2001
2002 function catchupRelativeToArticle(below) {
2003
2004         try {
2005
2006
2007                 if (!getActiveArticleId()) {
2008                         alert(__("No article is selected."));
2009                         return;
2010                 }
2011
2012                 var visible_ids;
2013
2014                 if ($("headlinesList")) {
2015                         visible_ids = getVisibleHeadlineIds();
2016                 } else {
2017                         visible_ids = cdmGetVisibleArticles();
2018                 }
2019
2020                 var ids_to_mark = new Array();
2021
2022                 if (!below) {
2023                         for (var i = 0; i < visible_ids.length; i++) {
2024                                 if (visible_ids[i] != getActiveArticleId()) {
2025                                         var e = $("RROW-" + visible_ids[i]);
2026
2027                                         if (e && e.className.match("Unread")) {
2028                                                 ids_to_mark.push(visible_ids[i]);
2029                                         }
2030                                 } else {
2031                                         break;
2032                                 }
2033                         }
2034                 } else {
2035                         for (var i = visible_ids.length-1; i >= 0; i--) {
2036                                 if (visible_ids[i] != getActiveArticleId()) {
2037                                         var e = $("RROW-" + visible_ids[i]);
2038
2039                                         if (e && e.className.match("Unread")) {
2040                                                 ids_to_mark.push(visible_ids[i]);
2041                                         }
2042                                 } else {
2043                                         break;
2044                                 }
2045                         }
2046                 }
2047
2048                 if (ids_to_mark.length == 0) {
2049                         alert(__("No articles found to mark"));
2050                 } else {
2051                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
2052
2053                         if (confirm(msg)) {
2054
2055                                 for (var i = 0; i < ids_to_mark.length; i++) {
2056                                         var e = $("RROW-" + ids_to_mark[i]);
2057                                         e.className = e.className.replace("Unread", "");
2058                                 }
2059
2060                                 var query = "?op=rpc&subop=catchupSelected" +
2061                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
2062
2063                                 new Ajax.Request("backend.php", {
2064                                         parameters: query,
2065                                         onComplete: function(transport) {
2066                                                 catchup_callback2(transport);
2067                                         } });
2068
2069                         }
2070                 }
2071
2072         } catch (e) {
2073                 exception_error("catchupRelativeToArticle", e);
2074         }
2075 }
2076
2077 function cdmExpandArticle(a_id) {
2078         try {
2079                 var id = 'CICD-' + a_id;
2080
2081                 try {
2082                         Element.hide("CEXC-" + a_id);
2083                 } catch (e) { }
2084
2085                 Effect.Appear(id, {duration : 0.5,
2086                         beforeStart: function(effect) {
2087                                 var h_id = 'CICH-' + a_id;
2088                                 var h_elem = $(h_id);
2089                                 if (h_elem) { h_elem.style.display = "none"; }
2090
2091                                 toggleUnread(a_id, 0);
2092                         }});
2093
2094
2095         } catch (e) {
2096                 exception_error("appearBlockElementF", e);
2097         }
2098
2099 }
2100
2101 function fixHeadlinesOrder(ids) {
2102         try {
2103                 for (var i = 0; i < ids.length; i++) {
2104                         var e = $("RROW-" + ids[i]);
2105
2106                         if (e) {
2107                                 if (i % 2 == 0) {
2108                                         e.className = e.className.replace("even", "odd");
2109                                 } else {
2110                                         e.className = e.className.replace("odd", "even");
2111                                 }
2112                         }
2113                 }
2114         } catch (e) {
2115                 exception_error("fixHeadlinesOrder", e);
2116         }
2117 }
2118
2119 function hideReadHeadlines() {
2120         try {
2121
2122                 var ids = false;
2123                 var vis_ids = new Array();
2124
2125                 if ($("headlinesList")) {
2126                         ids = getVisibleHeadlineIds();
2127                 } else {
2128                         ids = cdmGetVisibleArticles();
2129                 }
2130
2131                 var read_headlines_visible = true;
2132
2133                 for (var i = 0; i < ids.length; i++) {
2134                         var row = $("RROW-" + ids[i]);
2135
2136                         if (row && row.className) {
2137                                 if (read_headlines_visible) {
2138                                         if (row.className.match("Unread") || row.className.match("Selected")) {
2139                                                 Element.show(row);
2140                                                 vis_ids.push(ids[i]);
2141                                         } else {
2142                                                 //Effect.Fade(row, {duration : 0.3});
2143                                                 Element.hide(row);
2144                                         }
2145                                 } else {
2146                                         Element.show(row);
2147                                         vis_ids.push(ids[i]);
2148                                 }
2149                         }
2150                 }
2151
2152                 fixHeadlinesOrder(vis_ids);
2153
2154                 read_headlines_visible = !read_headlines_visible;
2155
2156         } catch (e) {
2157                 exception_error("hideReadHeadlines", e);
2158         }
2159 }
2160
2161 function invertHeadlineSelection() {
2162         try {
2163                 var rows = new Array();
2164                 var r = false;
2165
2166                 if (!isCdmMode()) {
2167                         r = document.getElementsByTagName("TR");
2168                 } else {
2169                         r = document.getElementsByTagName("DIV");
2170                 }
2171
2172                 for (var i = 0; i < r.length; i++) {
2173                         if (r[i].id && r[i].id.match("RROW-")) {
2174                                 rows.push(r[i]);
2175                         }
2176                 }
2177
2178                 for (var i = 0; i < rows.length; i++) {
2179                         var nc = rows[i].className;
2180                         var id = rows[i].id.replace("RROW-", "");
2181                         var cb = $("RCHK-" + id);
2182
2183                         if (!rows[i].className.match("Selected")) {
2184                                 nc = nc + "Selected";
2185                                 cb.checked = true;
2186                         } else {
2187                                 nc = nc.replace("Selected", "");
2188                                 cb.checked = false;
2189                         }
2190
2191                         rows[i].className = nc;
2192
2193                 }
2194
2195         } catch (e) {
2196                 exception_error("invertHeadlineSelection", e);
2197         }
2198 }
2199
2200 function getArticleUnderPointer() {
2201         return post_under_pointer;
2202 }
2203
2204 function zoomToArticle(id) {
2205         try {
2206                 var w = window.open("backend.php?op=view&mode=zoom&id=" + param_escape(id),
2207                         "ttrss_zoom_" + id,
2208                         "status=0,toolbar=0,location=0,width=450,height=300,scrollbars=1,menubar=0");
2209
2210         } catch (e) {
2211                 exception_error("zoomToArticle", e);
2212         }
2213 }
2214
2215 function showOriginalArticleInline(id) {
2216         try {
2217
2218                 var query = "?op=rpc&subop=getArticleLink&id=" + id;
2219
2220                 notify_progress("Loading, please wait...", true);
2221
2222                 new Ajax.Request("backend.php", {
2223                         parameters: query,
2224                         onComplete: function(transport) {
2225
2226                                 if (transport.responseXML) {
2227
2228                                         var link = transport.responseXML.getElementsByTagName("link")[0];
2229                                         var id = transport.responseXML.getElementsByTagName("id")[0];
2230
2231                                         notify("");
2232
2233                                         if (link && id) {
2234                                                 link = link.firstChild.nodeValue;
2235
2236                                                 var ci = $("content-insert");
2237
2238                                                 var tmp = "<iframe id=\"inline_orig_article\" width=\""+ci.offsetWidth+"\" height=\""+ci.offsetHeight+"\" style=\"border-width : 0px;\" src=\""+link+"\"></iframe>";
2239
2240                                                 render_article(tmp);
2241
2242                                         }
2243                                 }
2244                         } });
2245
2246         } catch (e) {
2247                 exception_error("showOriginalArticleInline", e);
2248         }
2249 }
2250
2251
2252 function scrollArticle(offset) {
2253         try {
2254                 if (!isCdmMode()) {
2255                         var ci = $("content-insert");
2256                         if (ci) {
2257                                 ci.scrollTop += offset;
2258                         }
2259                 } else {
2260                         var hi = $("headlinesInnerContainer");
2261                         if (hi) {
2262                                 hi.scrollTop += offset;
2263                         }
2264
2265                 }
2266         } catch (e) {
2267                 exception_error("scrollArticle", e);
2268         }
2269 }
2270
2271 function show_labels_in_headlines(transport) {
2272         try {
2273                 if (transport.responseXML) {
2274                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
2275
2276                         var elems = info.getElementsByTagName("entry");
2277
2278                         for (var l = 0; l < elems.length; l++) {
2279                                 var e_id = elems[l].getAttribute("id");
2280
2281                                 if (e_id) {
2282
2283                                         var ctr = $("HLLCTR-" + e_id);
2284
2285                                         if (ctr) {
2286                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
2287                                         }
2288                                 }
2289
2290                         }
2291
2292                 }
2293         } catch (e) {
2294                 exception_error("show_labels_in_headlines", e);
2295
2296         }
2297 }
2298
2299 function toggleHeadlineActions() {
2300         try {
2301                 var e = $("headlineActionsBody");
2302                 var p = $("headlineActionsDrop");
2303
2304                 if (!Element.visible(e)) {
2305                         Element.show(e);
2306                 } else {
2307                         Element.hide(e);
2308                 }
2309
2310                 e.scrollTop = 0;
2311                 e.style.left = (p.offsetLeft + 1) + "px";
2312                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
2313
2314         } catch (e) {
2315                 exception_error("toggleHeadlineActions", e);
2316         }
2317 }
2318
2319 function publishWithNote(id, def_note) {
2320         try {
2321                 if (!def_note) def_note = '';
2322
2323                 var note = prompt(__("Please enter a note for this article:"), def_note);
2324
2325                 if (note != undefined) {
2326                         togglePub(id, false, false, note);
2327                 }
2328
2329         } catch (e) {
2330                 exception_error("publishWithNote", e);
2331         }
2332 }