viewfeed.js

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