viewfeed.js

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