js/viewfeed.js

   1 var active_post_id = false;
   2
   3 var article_cache = new Array();
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12 var feed_precache_timeout_id = false;
  13 var precache_idle_timeout_id = false;
  14
  15 var cids_requested = [];
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply = false;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49
  50                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], content);
  51                                 return;
  52                         }
  53
  54                         setActiveFeedId(feed_id, is_cat);
  55
  56                         try {
  57                                 if (offset == 0 && infscroll_req == false) {
  58                                         $("headlines-frame").scrollTop = 0;
  59                                 }
  60                         } catch (e) { };
  61
  62                         var headlines_count = reply['headlines-info']['count'];
  63
  64                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  65
  66                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  67                                 _infscroll_disable = 1;
  68                         } else {
  69                                 _infscroll_disable = 0;
  70                         }
  71
  72                         var counters = reply['counters'];
  73                         var articles = reply['articles'];
  74                         //var runtime_info = reply['runtime-info'];
  75
  76                         if (offset == 0 && infscroll_req == false) {
  77                                 dijit.byId("headlines-frame").attr('content',
  78                                         reply['headlines']['content']);
  79
  80                                 dijit.byId("headlines-toolbar").attr('content',
  81                                         reply['headlines']['toolbar']);
  82
  83                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  84                                         if ($$("#headlines-frame DIV[id="+row.id+"]").length > 1) {
  85                                                 row.parentNode.removeChild(row);
  86                                         }
  87                                 });
  88
  89                                 if (getInitParam("cdm_auto_catchup") == 1) {
  90                                         var hsp = $("headlines-spacer");
  91                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  92                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  93                                 }
  94
  95                                 initHeadlinesMenu();
  96
  97                         } else {
  98
  99                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 100                                         console.log("adding some more headlines: " + headlines_count);
 101
 102                                         var c = dijit.byId("headlines-frame");
 103                                         var ids = getSelectedArticleIds2();
 104                                         var num_added = 0;
 105
 106                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 107
 108                                         var hsp = $("headlines-spacer");
 109
 110                                         if (hsp)
 111                                                 c.domNode.removeChild(hsp);
 112
 113                                         $$("#headlines-tmp > div").each(function(row) {
 114                                                 if ($$("#headlines-frame DIV[id="+row.id+"]").length == 0) {
 115                                                         row.style.display = 'none';
 116                                                         c.domNode.appendChild(row);
 117                                                         ++num_added;
 118                                                 } else {
 119                                                         row.parentNode.removeChild(row);
 120                                                 }
 121                                         });
 122
 123                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 124
 125                                         fixHeadlinesOrder(getLoadedArticleIds());
 126
 127                                         if (getInitParam("cdm_auto_catchup") == 1) {
 128                                                 c.domNode.appendChild(hsp);
 129                                         }
 130
 131                                         console.log("added " + num_added + " headlines");
 132
 133                                         console.log("restore selected ids: " + ids);
 134
 135                                         for (var i = 0; i < ids.length; i++) {
 136                                                 markHeadline(ids[i]);
 137                                         }
 138
 139                                         initHeadlinesMenu();
 140
 141                                         $$("#headlines-frame > div[id*=RROW]").each(
 142                                         function(child) {
 143                                                 if (!Element.visible(child))
 144                                                         new Effect.Appear(child, { duration : 0.5 });
 145                                         });
 146
 147                                 } else {
 148                                         console.log("no new headlines received");
 149
 150                                         var hsp = $("headlines-spacer");
 151
 152                                         if (hsp) hsp.innerHTML = "";
 153                                 }
 154                         }
 155
 156                         if (headlines_count > 0)
 157                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 158
 159                         if (articles) {
 160                                 for (var i = 0; i < articles.length; i++) {
 161                                         var a_id = articles[i]['id'];
 162                                         cache_set("article:" + a_id, articles[i]['content']);
 163                                 }
 164                         } else {
 165                                 console.log("no cached articles received");
 166                         }
 167
 168                         // do not precache stuff after fresh feed
 169                         if (feed_id != -3)
 170                                 precache_headlines();
 171
 172                         if (counters)
 173                                 parse_counters(counters);
 174                         else
 175                                 request_counters();
 176
 177                 } else {
 178                         console.error("Invalid object received: " + transport.responseText);
 179                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 180                                         __('Could not update headlines (invalid object received - see error console for details)') +
 181                                         "</div>");
 182                 }
 183
 184                 _infscroll_request_sent = 0;
 185
 186                 notify("");
 187
 188         } catch (e) {
 189                 exception_error("headlines_callback2", e, transport);
 190         }
 191 }
 192
 193 function render_article(article) {
 194         try {
 195                 dijit.byId("headlines-wrap-inner").addChild(
 196                                 dijit.byId("content-insert"));
 197
 198                 var c = dijit.byId("content-insert");
 199
 200                 try {
 201                         c.domNode.scrollTop = 0;
 202                 } catch (e) { };
 203
 204                 c.attr('content', article);
 205
 206                 correctHeadlinesOffset(getActiveArticleId());
 207
 208                 try {
 209                         c.focus();
 210                 } catch (e) { };
 211
 212         } catch (e) {
 213                 exception_error("render_article", e);
 214         }
 215 }
 216
 217 function showArticleInHeadlines(id) {
 218
 219         try {
 220
 221                 selectArticles("none");
 222
 223                 var crow = $("RROW-" + id);
 224
 225                 if (!crow) return;
 226
 227                 var article_is_unread = crow.hasClassName("Unread");
 228
 229                 crow.removeClassName("Unread");
 230
 231                 selectArticles('none');
 232
 233                 var upd_img_pic = $("FUPDPIC-" + id);
 234
 235                 var view_mode = false;
 236
 237                 try {
 238                         view_mode = document.forms['main_toolbar_form'].view_mode;
 239                         view_mode = view_mode[view_mode.selectedIndex].value;
 240                 } catch (e) {
 241                         //
 242                 }
 243
 244                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 245                                         upd_img_pic.src.match("fresh_sign.png"))) {
 246
 247                         upd_img_pic.src = "images/blank_icon.gif";
 248
 249                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 250
 251                 } else if (article_is_unread && view_mode == "all_articles") {
 252                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 253                 }
 254
 255                 markHeadline(id);
 256
 257                 if (article_is_unread)
 258                         _force_scheduled_update = true;
 259
 260         } catch (e) {
 261                 exception_error("showArticleInHeadlines", e);
 262         }
 263 }
 264
 265 function article_callback2(transport, id) {
 266         try {
 267                 console.log("article_callback2 " + id);
 268
 269                 handle_rpc_json(transport);
 270
 271                 var reply = false;
 272
 273                 try {
 274                         reply = JSON.parse(transport.responseText);
 275                 } catch (e) {
 276                         console.error(e);
 277                 }
 278
 279                 if (reply) {
 280
 281                         var upic = $('FUPDPIC-' + id);
 282
 283                         if (upic) upic.src = 'images/blank_icon.gif';
 284
 285                         reply.each(function(article) {
 286                                 if (active_post_id == article['id']) {
 287                                         render_article(article['content']);
 288                                 }
 289                                 cids_requested.remove(article['id']);
 290
 291                                 cache_set("article:" + article['id'], article['content']);
 292                         });
 293
 294 //                      if (id != last_requested_article) {
 295 //                              console.log("requested article id is out of sequence, aborting");
 296 //                              return;
 297 //                      }
 298
 299                 } else {
 300                         console.error("Invalid object received: " + transport.responseText);
 301
 302                         render_article("<div class='whiteBox'>" +
 303                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 304                 }
 305
 306                 request_counters();
 307
 308                 headlines_scroll_handler($("headlines-frame"));
 309
 310 /*              try {
 311                         if (!_infscroll_disable &&
 312                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 313
 314                                 loadMoreHeadlines();
 315                         }
 316                 } catch (e) {
 317                         console.warn(e);
 318                 } */
 319
 320                 notify("");
 321         } catch (e) {
 322                 exception_error("article_callback2", e, transport);
 323         }
 324 }
 325
 326 function view(id) {
 327         try {
 328                 console.log("loading article: " + id);
 329
 330                 var cached_article = cache_get("article:" + id);
 331
 332                 console.log("cache check result: " + (cached_article != false));
 333
 334                 hideAuxDlg();
 335
 336                 var query = "?op=article&method=view&id=" + param_escape(id);
 337
 338                 var neighbor_ids = getRelativePostIds(id);
 339
 340                 /* only request uncached articles */
 341
 342                 var cids_to_request = [];
 343
 344                 for (var i = 0; i < neighbor_ids.length; i++) {
 345                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 346                                 if (!cache_get("article:" + neighbor_ids[i])) {
 347                                         cids_to_request.push(neighbor_ids[i]);
 348                                         cids_requested.push(neighbor_ids[i]);
 349                                 }
 350                 }
 351
 352                 console.log("additional ids: " + cids_to_request.toString());
 353
 354                 query = query + "&cids=" + cids_to_request.toString();
 355
 356                 var crow = $("RROW-" + id);
 357                 var article_is_unread = crow.hasClassName("Unread");
 358
 359                 active_post_id = id;
 360                 showArticleInHeadlines(id);
 361
 362                 precache_headlines();
 363
 364                 if (!cached_article) {
 365
 366                         var upic = $('FUPDPIC-' + id);
 367
 368                         if (upic) {
 369                                 upic.src = getInitParam("sign_progress");
 370                         }
 371
 372                 } else if (cached_article && article_is_unread) {
 373
 374                         query = query + "&mode=prefetch";
 375
 376                         render_article(cached_article);
 377
 378                 } else if (cached_article) {
 379
 380                         query = query + "&mode=prefetch_old";
 381                         render_article(cached_article);
 382
 383                         // if we don't need to request any relative ids, we might as well skip
 384                         // the server roundtrip altogether
 385                         if (cids_to_request.length == 0) {
 386
 387 /*                              try {
 388                                         if (!_infscroll_disable &&
 389                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 390
 391                                                         loadMoreHeadlines();
 392                                         }
 393                                 } catch (e) {
 394                                         console.warn(e);
 395                                 } */
 396
 397                                 headlines_scroll_handler($("headlines-frame"));
 398
 399                                 return;
 400                         }
 401                 }
 402
 403                 last_requested_article = id;
 404
 405                 console.log(query);
 406
 407                 if (article_is_unread) {
 408                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 409                 }
 410
 411                 new Ajax.Request("backend.php", {
 412                         parameters: query,
 413                         onComplete: function(transport) {
 414                                 article_callback2(transport, id);
 415                         } });
 416
 417                 return false;
 418
 419         } catch (e) {
 420                 exception_error("view", e);
 421         }
 422 }
 423
 424 function toggleMark(id, client_only) {
 425         try {
 426                 var query = "?op=rpc&id=" + id + "&method=mark";
 427
 428                 var img = $("FMPIC-" + id);
 429
 430                 if (!img) return;
 431
 432                 if (img.src.match("mark_unset")) {
 433                         img.src = img.src.replace("mark_unset", "mark_set");
 434                         img.alt = __("Unstar article");
 435                         query = query + "&mark=1";
 436
 437                 } else {
 438                         img.src = img.src.replace("mark_set", "mark_unset");
 439                         img.alt = __("Star article");
 440                         query = query + "&mark=0";
 441                 }
 442
 443                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 444
 445                 if (!client_only) {
 446                         new Ajax.Request("backend.php", {
 447                                 parameters: query,
 448                                 onComplete: function(transport) {
 449                                         handle_rpc_json(transport);
 450                                 } });
 451                 }
 452
 453         } catch (e) {
 454                 exception_error("toggleMark", e);
 455         }
 456 }
 457
 458 function togglePub(id, client_only, no_effects, note) {
 459         try {
 460                 var query = "?op=rpc&id=" + id + "&method=publ";
 461
 462                 if (note != undefined) {
 463                         query = query + "&note=" + param_escape(note);
 464                 } else {
 465                         query = query + "&note=undefined";
 466                 }
 467
 468                 var img = $("FPPIC-" + id);
 469
 470                 if (!img) return;
 471
 472                 if (img.src.match("pub_unset") || note != undefined) {
 473                         img.src = img.src.replace("pub_unset", "pub_set");
 474                         img.alt = __("Unpublish article");
 475                         query = query + "&pub=1";
 476
 477                 } else {
 478                         img.src = img.src.replace("pub_set", "pub_unset");
 479                         img.alt = __("Publish article");
 480
 481                         query = query + "&pub=0";
 482                 }
 483
 484                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 485
 486                 if (!client_only) {
 487                         new Ajax.Request("backend.php", {
 488                                 parameters: query,
 489                                 onComplete: function(transport) {
 490                                         handle_rpc_json(transport);
 491                                 } });
 492                 }
 493
 494         } catch (e) {
 495                 exception_error("togglePub", e);
 496         }
 497 }
 498
 499 function moveToPost(mode) {
 500
 501         try {
 502
 503                 var rows = getVisibleArticleIds();
 504
 505                 var prev_id = false;
 506                 var next_id = false;
 507
 508                 if (!$('RROW-' + active_post_id)) {
 509                         active_post_id = false;
 510                 }
 511
 512                 if (active_post_id == false) {
 513                         next_id = rows[0];
 514                         prev_id = rows[rows.length-1]
 515                 } else {
 516                         for (var i = 0; i < rows.length; i++) {
 517                                 if (rows[i] == active_post_id) {
 518
 519                                         // Account for adjacent identical article ids.
 520                                         if (i > 0) prev_id = rows[i-1];
 521
 522                                         for (var j = i+1; j < rows.length; j++) {
 523                                                 if (rows[j] != active_post_id) {
 524                                                         next_id = rows[j];
 525                                                         break;
 526                                                 }
 527                                         }
 528                                         break;
 529                                 }
 530                         }
 531                 }
 532
 533                 if (mode == "next") {
 534                         if (next_id) {
 535                                 if (isCdmMode()) {
 536
 537                                         cdmExpandArticle(next_id);
 538                                         cdmScrollToArticleId(next_id);
 539
 540                                 } else {
 541                                         correctHeadlinesOffset(next_id);
 542                                         view(next_id, getActiveFeedId());
 543                                 }
 544                         }
 545                 }
 546
 547                 if (mode == "prev") {
 548                         if (prev_id) {
 549                                 if (isCdmMode()) {
 550                                         cdmExpandArticle(prev_id);
 551                                         cdmScrollToArticleId(prev_id);
 552                                 } else {
 553                                         correctHeadlinesOffset(prev_id);
 554                                         view(prev_id, getActiveFeedId());
 555                                 }
 556                         }
 557                 }
 558
 559         } catch (e) {
 560                 exception_error("moveToPost", e);
 561         }
 562 }
 563
 564 function toggleSelected(id, force_on) {
 565         try {
 566
 567                 var cb = $("RCHK-" + id);
 568                 var row = $("RROW-" + id);
 569
 570                 if (row) {
 571                         if (row.hasClassName('Selected') && !force_on) {
 572                                 row.removeClassName('Selected');
 573                                 if (cb) cb.checked = false;
 574                         } else {
 575                                 row.addClassName('Selected');
 576                                 if (cb) cb.checked = true;
 577                         }
 578                 }
 579         } catch (e) {
 580                 exception_error("toggleSelected", e);
 581         }
 582 }
 583
 584 function toggleUnread_afh(effect) {
 585         try {
 586
 587                 var elem = effect.element;
 588                 elem.style.backgroundColor = "";
 589
 590         } catch (e) {
 591                 exception_error("toggleUnread_afh", e);
 592         }
 593 }
 594
 595 function toggleUnread(id, cmode, effect) {
 596         try {
 597
 598                 var row = $("RROW-" + id);
 599                 if (row) {
 600                         if (cmode == undefined || cmode == 2) {
 601                                 if (row.hasClassName("Unread")) {
 602                                         row.removeClassName("Unread");
 603
 604                                         if (effect) {
 605                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 606                                                         afterFinish: toggleUnread_afh,
 607                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 608                                         }
 609
 610                                 } else {
 611                                         row.addClassName("Unread");
 612                                 }
 613
 614                         } else if (cmode == 0) {
 615
 616                                 row.removeClassName("Unread");
 617
 618                                 if (effect) {
 619                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 620                                                 afterFinish: toggleUnread_afh,
 621                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 622                                 }
 623
 624                         } else if (cmode == 1) {
 625                                 row.addClassName("Unread");
 626                         }
 627
 628                         if (cmode == undefined) cmode = 2;
 629
 630                         var query = "?op=rpc&method=catchupSelected" +
 631                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 632
 633 //                      notify_progress("Loading, please wait...");
 634
 635                         new Ajax.Request("backend.php", {
 636                                 parameters: query,
 637                                 onComplete: function(transport) {
 638                                         handle_rpc_json(transport);
 639                                 } });
 640
 641                 }
 642
 643         } catch (e) {
 644                 exception_error("toggleUnread", e);
 645         }
 646 }
 647
 648 function selectionRemoveLabel(id, ids) {
 649         try {
 650
 651                 if (!ids) ids = getSelectedArticleIds2();
 652
 653                 if (ids.length == 0) {
 654                         alert(__("No articles are selected."));
 655                         return;
 656                 }
 657
 658                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 659                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 660
 661                 console.log(query);
 662
 663                 new Ajax.Request("backend.php", {
 664                         parameters: query,
 665                         onComplete: function(transport) {
 666                                 handle_rpc_json(transport);
 667                                 show_labels_in_headlines(transport);
 668                         } });
 669
 670         } catch (e) {
 671                 exception_error("selectionAssignLabel", e);
 672
 673         }
 674 }
 675
 676 function selectionAssignLabel(id, ids) {
 677         try {
 678
 679                 if (!ids) ids = getSelectedArticleIds2();
 680
 681                 if (ids.length == 0) {
 682                         alert(__("No articles are selected."));
 683                         return;
 684                 }
 685
 686                 var query = "?op=rpc&method=assignToLabel&ids=" +
 687                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 688
 689                 console.log(query);
 690
 691                 new Ajax.Request("backend.php", {
 692                         parameters: query,
 693                         onComplete: function(transport) {
 694                                 handle_rpc_json(transport);
 695                                 show_labels_in_headlines(transport);
 696                         } });
 697
 698         } catch (e) {
 699                 exception_error("selectionAssignLabel", e);
 700
 701         }
 702 }
 703
 704 function selectionToggleUnread(set_state, callback, no_error) {
 705         try {
 706                 var rows = getSelectedArticleIds2();
 707
 708                 if (rows.length == 0 && !no_error) {
 709                         alert(__("No articles are selected."));
 710                         return;
 711                 }
 712
 713                 for (var i = 0; i < rows.length; i++) {
 714                         var row = $("RROW-" + rows[i]);
 715                         if (row) {
 716                                 if (set_state == undefined) {
 717                                         if (row.hasClassName("Unread")) {
 718                                                 row.removeClassName("Unread");
 719                                         } else {
 720                                                 row.addClassName("Unread");
 721                                         }
 722                                 }
 723
 724                                 if (set_state == false) {
 725                                         row.removeClassName("Unread");
 726                                 }
 727
 728                                 if (set_state == true) {
 729                                         row.addClassName("Unread");
 730                                 }
 731                         }
 732                 }
 733
 734                 if (rows.length > 0) {
 735
 736                         var cmode = "";
 737
 738                         if (set_state == undefined) {
 739                                 cmode = "2";
 740                         } else if (set_state == true) {
 741                                 cmode = "1";
 742                         } else if (set_state == false) {
 743                                 cmode = "0";
 744                         }
 745
 746                         var query = "?op=rpc&method=catchupSelected" +
 747                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 748
 749                         notify_progress("Loading, please wait...");
 750
 751                         new Ajax.Request("backend.php", {
 752                                 parameters: query,
 753                                 onComplete: function(transport) {
 754                                         handle_rpc_json(transport);
 755                                         if (callback) callback(transport);
 756                                 } });
 757
 758                 }
 759
 760         } catch (e) {
 761                 exception_error("selectionToggleUnread", e);
 762         }
 763 }
 764
 765 function selectionToggleMarked() {
 766         try {
 767
 768                 var rows = getSelectedArticleIds2();
 769
 770                 if (rows.length == 0) {
 771                         alert(__("No articles are selected."));
 772                         return;
 773                 }
 774
 775                 for (var i = 0; i < rows.length; i++) {
 776                         toggleMark(rows[i], true, true);
 777                 }
 778
 779                 if (rows.length > 0) {
 780
 781                         var query = "?op=rpc&method=markSelected&ids=" +
 782                                 param_escape(rows.toString()) + "&cmode=2";
 783
 784                         new Ajax.Request("backend.php", {
 785                                 parameters: query,
 786                                 onComplete: function(transport) {
 787                                         handle_rpc_json(transport);
 788                                 } });
 789
 790                 }
 791
 792         } catch (e) {
 793                 exception_error("selectionToggleMarked", e);
 794         }
 795 }
 796
 797 function selectionTogglePublished() {
 798         try {
 799
 800                 var rows = getSelectedArticleIds2();
 801
 802                 if (rows.length == 0) {
 803                         alert(__("No articles are selected."));
 804                         return;
 805                 }
 806
 807                 for (var i = 0; i < rows.length; i++) {
 808                         togglePub(rows[i], true, true);
 809                 }
 810
 811                 if (rows.length > 0) {
 812
 813                         var query = "?op=rpc&method=publishSelected&ids=" +
 814                                 param_escape(rows.toString()) + "&cmode=2";
 815
 816                         new Ajax.Request("backend.php", {
 817                                 parameters: query,
 818                                 onComplete: function(transport) {
 819                                         handle_rpc_json(transport);
 820                                 } });
 821
 822                 }
 823
 824         } catch (e) {
 825                 exception_error("selectionToggleMarked", e);
 826         }
 827 }
 828
 829 function getSelectedArticleIds2() {
 830
 831         var rv = [];
 832
 833         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 834                 function(child) {
 835                         rv.push(child.id.replace("RROW-", ""));
 836                 });
 837
 838         return rv;
 839 }
 840
 841 function getLoadedArticleIds() {
 842         var rv = [];
 843
 844         var children = $$("#headlines-frame > div[id*=RROW-]");
 845
 846         children.each(function(child) {
 847                         rv.push(child.id.replace("RROW-", ""));
 848                 });
 849
 850         return rv;
 851
 852 }
 853
 854 // mode = all,none,unread,invert
 855 function selectArticles(mode) {
 856         try {
 857
 858                 var children = $$("#headlines-frame > div[id*=RROW]");
 859
 860                 children.each(function(child) {
 861                         var id = child.id.replace("RROW-", "");
 862                         var cb = $("RCHK-" + id);
 863
 864                         if (mode == "all") {
 865                                 child.addClassName("Selected");
 866                                 cb.checked = true;
 867                         } else if (mode == "unread") {
 868                                 if (child.hasClassName("Unread")) {
 869                                         child.addClassName("Selected");
 870                                         cb.checked = true;
 871                                 } else {
 872                                         child.removeClassName("Selected");
 873                                         cb.checked = false;
 874                                 }
 875                         } else if (mode == "invert") {
 876                                 if (child.hasClassName("Selected")) {
 877                                         child.removeClassName("Selected");
 878                                         cb.checked = false;
 879                                 } else {
 880                                         child.addClassName("Selected");
 881                                         cb.checked = true;
 882                                 }
 883
 884                         } else {
 885                                 child.removeClassName("Selected");
 886                                 cb.checked = false;
 887                         }
 888                 });
 889
 890         } catch (e) {
 891                 exception_error("selectArticles", e);
 892         }
 893 }
 894
 895 function catchupPage() {
 896
 897         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 898
 899         var str = __("Mark all visible articles in %s as read?");
 900
 901         str = str.replace("%s", fn);
 902
 903         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 904                 return;
 905         }
 906
 907         selectArticles('all');
 908         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 909         selectArticles('none');
 910 }
 911
 912 function deleteSelection() {
 913
 914         try {
 915
 916                 var rows = getSelectedArticleIds2();
 917
 918                 if (rows.length == 0) {
 919                         alert(__("No articles are selected."));
 920                         return;
 921                 }
 922
 923                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 924                 var str;
 925
 926                 if (getActiveFeedId() != 0) {
 927                         str = __("Delete %d selected articles in %s?");
 928                 } else {
 929                         str = __("Delete %d selected articles?");
 930                 }
 931
 932                 str = str.replace("%d", rows.length);
 933                 str = str.replace("%s", fn);
 934
 935                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 936                         return;
 937                 }
 938
 939                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 940
 941                 console.log(query);
 942
 943                 new Ajax.Request("backend.php", {
 944                         parameters: query,
 945                         onComplete: function(transport) {
 946                                         handle_rpc_json(transport);
 947                                         viewCurrentFeed();
 948                                 } });
 949
 950         } catch (e) {
 951                 exception_error("deleteSelection", e);
 952         }
 953 }
 954
 955 function archiveSelection() {
 956
 957         try {
 958
 959                 var rows = getSelectedArticleIds2();
 960
 961                 if (rows.length == 0) {
 962                         alert(__("No articles are selected."));
 963                         return;
 964                 }
 965
 966                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 967                 var str;
 968                 var op;
 969
 970                 if (getActiveFeedId() != 0) {
 971                         str = __("Archive %d selected articles in %s?");
 972                         op = "archive";
 973                 } else {
 974                         str = __("Move %d archived articles back?");
 975                         op = "unarchive";
 976                 }
 977
 978                 str = str.replace("%d", rows.length);
 979                 str = str.replace("%s", fn);
 980
 981                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 982                         return;
 983                 }
 984
 985                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
 986
 987                 console.log(query);
 988
 989                 for (var i = 0; i < rows.length; i++) {
 990                         cache_delete("article:" + rows[i]);
 991                 }
 992
 993                 new Ajax.Request("backend.php", {
 994                         parameters: query,
 995                         onComplete: function(transport) {
 996                                         handle_rpc_json(transport);
 997                                         viewCurrentFeed();
 998                                 } });
 999
1000         } catch (e) {
1001                 exception_error("archiveSelection", e);
1002         }
1003 }
1004
1005 function catchupSelection() {
1006
1007         try {
1008
1009                 var rows = getSelectedArticleIds2();
1010
1011                 if (rows.length == 0) {
1012                         alert(__("No articles are selected."));
1013                         return;
1014                 }
1015
1016                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1017
1018                 var str = __("Mark %d selected articles in %s as read?");
1019
1020                 str = str.replace("%d", rows.length);
1021                 str = str.replace("%s", fn);
1022
1023                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1024                         return;
1025                 }
1026
1027                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1028
1029         } catch (e) {
1030                 exception_error("catchupSelection", e);
1031         }
1032 }
1033
1034 function editArticleTags(id) {
1035                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1036
1037                 if (dijit.byId("editTagsDlg"))
1038                         dijit.byId("editTagsDlg").destroyRecursive();
1039
1040                 dialog = new dijit.Dialog({
1041                         id: "editTagsDlg",
1042                         title: __("Edit article Tags"),
1043                         style: "width: 600px",
1044                         execute: function() {
1045                                 if (this.validate()) {
1046                                         var query = dojo.objectToQuery(this.attr('value'));
1047
1048                                         notify_progress("Saving article tags...", true);
1049
1050                                         new Ajax.Request("backend.php", {
1051                                         parameters: query,
1052                                         onComplete: function(transport) {
1053                                                 notify('');
1054                                                 dialog.hide();
1055
1056                                                 var data = JSON.parse(transport.responseText);
1057
1058                                                 if (data) {
1059                                                         var tags_str = article.tags;
1060                                                         var id = tags_str.id;
1061
1062                                                         var tags = $("ATSTR-" + id);
1063                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1064
1065                                                         if (tags) tags.innerHTML = tags_str.content;
1066                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1067
1068                                                         cache_delete("article:" + id);
1069                                                 }
1070
1071                                         }});
1072                                 }
1073                         },
1074                         href: query,
1075                 });
1076
1077                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1078                 dojo.disconnect(tmph);
1079
1080                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1081                            "backend.php?op=rpc&method=completeTags",
1082                            { tokens: ',', paramName: "search" });
1083                 });
1084
1085                 dialog.show();
1086
1087 }
1088
1089 function cdmScrollToArticleId(id) {
1090         try {
1091                 var ctr = $("headlines-frame");
1092                 var e = $("RROW-" + id);
1093
1094                 if (!e || !ctr) return;
1095
1096                 ctr.scrollTop = e.offsetTop;
1097
1098         } catch (e) {
1099                 exception_error("cdmScrollToArticleId", e);
1100         }
1101 }
1102
1103 function getActiveArticleId() {
1104         return active_post_id;
1105 }
1106
1107 function postMouseIn(id) {
1108         post_under_pointer = id;
1109 }
1110
1111 function postMouseOut(id) {
1112         post_under_pointer = false;
1113 }
1114
1115 function headlines_scroll_handler(e) {
1116         try {
1117                 var hsp = $("headlines-spacer");
1118
1119                 if (!_infscroll_disable) {
1120                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1121                                         (e.scrollHeight != 0 &&
1122                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1123
1124                                 if (hsp)
1125                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1126                                                 __("Loading, please wait...");
1127
1128                                 loadMoreHeadlines();
1129                                 return;
1130
1131                         }
1132                 } else {
1133                         if (hsp) hsp.innerHTML = "";
1134                 }
1135
1136                 if (getInitParam("cdm_auto_catchup") == 1) {
1137
1138                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1139                                 function(child) {
1140                                         if ($("headlines-frame").scrollTop >
1141                                                         (child.offsetTop + child.offsetHeight/2)) {
1142
1143                                                 var id = child.id.replace("RROW-", "");
1144
1145                                                 if (catchup_id_batch.indexOf(id) == -1)
1146                                                         catchup_id_batch.push(id);
1147
1148                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1149                                         }
1150                                 });
1151
1152                         if (catchup_id_batch.length > 0) {
1153                                 window.clearTimeout(catchup_timeout_id);
1154
1155                                 if (!_infscroll_request_sent) {
1156                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1157                                                 2000);
1158                                 }
1159                         }
1160                 }
1161
1162         } catch (e) {
1163                 console.warn("headlines_scroll_handler: " + e);
1164         }
1165 }
1166
1167 function catchupBatchedArticles() {
1168         try {
1169                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1170
1171                         // make a copy of the array
1172                         var batch = catchup_id_batch.slice();
1173                         var query = "?op=rpc&method=catchupSelected" +
1174                                 "&cmode=0&ids=" + param_escape(batch.toString());
1175
1176                         console.log(query);
1177
1178                         new Ajax.Request("backend.php", {
1179                                 parameters: query,
1180                                 onComplete: function(transport) {
1181                                         handle_rpc_json(transport);
1182
1183                                         batch.each(function(id) {
1184                                                 var elem = $("RROW-" + id);
1185                                                 if (elem) elem.removeClassName("Unread");
1186                                                 catchup_id_batch.remove(id);
1187                                         });
1188
1189                                 } });
1190                 }
1191
1192         } catch (e) {
1193                 exception_error("catchupBatchedArticles", e);
1194         }
1195 }
1196
1197 function catchupRelativeToArticle(below, id) {
1198
1199         try {
1200
1201                 if (!id) id = getActiveArticleId();
1202
1203                 if (!id) {
1204                         alert(__("No article is selected."));
1205                         return;
1206                 }
1207
1208                 var visible_ids = getVisibleArticleIds();
1209
1210                 var ids_to_mark = new Array();
1211
1212                 if (!below) {
1213                         for (var i = 0; i < visible_ids.length; i++) {
1214                                 if (visible_ids[i] != id) {
1215                                         var e = $("RROW-" + visible_ids[i]);
1216
1217                                         if (e && e.hasClassName("Unread")) {
1218                                                 ids_to_mark.push(visible_ids[i]);
1219                                         }
1220                                 } else {
1221                                         break;
1222                                 }
1223                         }
1224                 } else {
1225                         for (var i = visible_ids.length-1; i >= 0; i--) {
1226                                 if (visible_ids[i] != id) {
1227                                         var e = $("RROW-" + visible_ids[i]);
1228
1229                                         if (e && e.hasClassName("Unread")) {
1230                                                 ids_to_mark.push(visible_ids[i]);
1231                                         }
1232                                 } else {
1233                                         break;
1234                                 }
1235                         }
1236                 }
1237
1238                 if (ids_to_mark.length == 0) {
1239                         alert(__("No articles found to mark"));
1240                 } else {
1241                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1242
1243                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1244
1245                                 for (var i = 0; i < ids_to_mark.length; i++) {
1246                                         var e = $("RROW-" + ids_to_mark[i]);
1247                                         e.removeClassName("Unread");
1248                                 }
1249
1250                                 var query = "?op=rpc&method=catchupSelected" +
1251                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1252
1253                                 new Ajax.Request("backend.php", {
1254                                         parameters: query,
1255                                         onComplete: function(transport) {
1256                                                 handle_rpc_json(transport);
1257                                         } });
1258
1259                         }
1260                 }
1261
1262         } catch (e) {
1263                 exception_error("catchupRelativeToArticle", e);
1264         }
1265 }
1266
1267 function cdmExpandArticle(id) {
1268         try {
1269
1270                 hideAuxDlg();
1271
1272                 var elem = $("CICD-" + active_post_id);
1273
1274                 var upd_img_pic = $("FUPDPIC-" + id);
1275
1276                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1277                                 upd_img_pic.src.match("fresh_sign.png"))) {
1278
1279                         upd_img_pic.src = "images/blank_icon.gif";
1280                 }
1281
1282                 if (id == active_post_id && Element.visible(elem))
1283                         return true;
1284
1285                 selectArticles("none");
1286
1287                 var old_offset = $("RROW-" + id).offsetTop;
1288
1289                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1290                         Element.hide(elem);
1291                         Element.show("CEXC-" + active_post_id);
1292                 }
1293
1294                 active_post_id = id;
1295
1296                 elem = $("CICD-" + id);
1297
1298                 if (!Element.visible(elem)) {
1299                         Element.show(elem);
1300                         Element.hide("CEXC-" + id);
1301
1302                         if ($("CWRAP-" + id).innerHTML == "") {
1303
1304                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1305
1306                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1307                                         __("Loading, please wait...") + "</div>";
1308
1309                                 var query = "?op=rpc&method=cdmGetArticle&id=" + param_escape(id);
1310
1311                                 var neighbor_ids = getRelativePostIds(id);
1312
1313                                 /* only request uncached articles */
1314                                 var cids_to_request = [];
1315
1316                                 for (var i = 0; i < neighbor_ids.length; i++) {
1317                                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
1318                                                 if ($("CWRAP-" + neighbor_ids[i]).innerHTML == "") {
1319                                                         cids_to_request.push(neighbor_ids[i]);
1320                                                         cids_requested.push(neighbor_ids[i]);
1321                                                 }
1322                                 }
1323
1324                                 console.log("additional ids: " + cids_to_request.toString());
1325
1326                                 query = query + "&cids=" + cids_to_request.toString();
1327
1328                                 console.log(query);
1329
1330                                 new Ajax.Request("backend.php", {
1331                                         parameters: query,
1332                                         onComplete: function(transport) {
1333
1334                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1335
1336                                                 handle_rpc_json(transport);
1337
1338                                                 var reply = JSON.parse(transport.responseText);
1339
1340                                                 reply.each(function(article) {
1341                                                         $("CWRAP-" + article['id']).innerHTML = article['content'];
1342                                                         cids_requested.remove(article['id']);
1343                                                 });
1344                                 }});
1345
1346                         }
1347                 }
1348
1349                 var new_offset = $("RROW-" + id).offsetTop;
1350
1351                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1352
1353                 if ($("RROW-" + id).offsetTop != old_offset)
1354                         $("headlines-frame").scrollTop = new_offset;
1355
1356                 toggleUnread(id, 0, true);
1357                 toggleSelected(id);
1358
1359         } catch (e) {
1360                 exception_error("cdmExpandArticle", e);
1361         }
1362
1363         return false;
1364 }
1365
1366 function fixHeadlinesOrder(ids) {
1367         try {
1368                 for (var i = 0; i < ids.length; i++) {
1369                         var e = $("RROW-" + ids[i]);
1370
1371                         if (e) {
1372                                 if (i % 2 == 0) {
1373                                         e.removeClassName("even");
1374                                         e.addClassName("odd");
1375                                 } else {
1376                                         e.removeClassName("odd");
1377                                         e.addClassName("even");
1378                                 }
1379                         }
1380                 }
1381         } catch (e) {
1382                 exception_error("fixHeadlinesOrder", e);
1383         }
1384 }
1385
1386 function getArticleUnderPointer() {
1387         return post_under_pointer;
1388 }
1389
1390 function zoomToArticle(event, id) {
1391         try {
1392                 var cached_article = cache_get("article: " + id);
1393
1394                 if (dijit.byId("ATAB-" + id))
1395                         if (!event || !event.shiftKey)
1396                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1397
1398                 if (dijit.byId("ATSTRTIP-" + id))
1399                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1400
1401                 if (cached_article) {
1402                         //closeArticlePanel();
1403
1404                         var article_pane = new dijit.layout.ContentPane({
1405                                 title: __("Loading...") , content: cached_article,
1406                                 style: 'padding : 0px;',
1407                                 id: 'ATAB-' + id,
1408                                 closable: true });
1409
1410                         dijit.byId("content-tabs").addChild(article_pane);
1411
1412                         if (!event || !event.shiftKey)
1413                                 dijit.byId("content-tabs").selectChild(article_pane);
1414
1415                         if ($("PTITLE-" + id))
1416                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1417
1418                 } else {
1419
1420                         var query = "?op=rpc&method=getArticles&ids=" + param_escape(id);
1421
1422                         notify_progress("Loading, please wait...", true);
1423
1424                         new Ajax.Request("backend.php", {
1425                                 parameters: query,
1426                                 onComplete: function(transport) {
1427                                         notify('');
1428
1429                                         var reply = JSON.parse(transport.responseText);
1430
1431                                         if (reply) {
1432                                                 //closeArticlePanel();
1433
1434                                                 var content = reply[0]['content'];
1435
1436                                                 var article_pane = new dijit.layout.ContentPane({
1437                                                         title: "article-" + id , content: content,
1438                                                         style: 'padding : 0px;',
1439                                                         id: 'ATAB-' + id,
1440                                                         closable: true });
1441
1442                                                 dijit.byId("content-tabs").addChild(article_pane);
1443
1444                                                 if (!event || !event.shiftKey)
1445                                                         dijit.byId("content-tabs").selectChild(article_pane);
1446
1447                                                 if ($("PTITLE-" + id))
1448                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1449                                         }
1450
1451                                 } });
1452                         }
1453
1454         } catch (e) {
1455                 exception_error("zoomToArticle", e);
1456         }
1457 }
1458
1459 function scrollArticle(offset) {
1460         try {
1461                 if (!isCdmMode()) {
1462                         var ci = $("content-insert");
1463                         if (ci) {
1464                                 ci.scrollTop += offset;
1465                         }
1466                 } else {
1467                         var hi = $("headlines-frame");
1468                         if (hi) {
1469                                 hi.scrollTop += offset;
1470                         }
1471
1472                 }
1473         } catch (e) {
1474                 exception_error("scrollArticle", e);
1475         }
1476 }
1477
1478 function show_labels_in_headlines(transport) {
1479         try {
1480                 var data = JSON.parse(transport.responseText);
1481
1482                 if (data) {
1483                         data['info-for-headlines'].each(function(elem) {
1484                                 var ctr = $("HLLCTR-" + elem.id);
1485
1486                                 if (ctr) ctr.innerHTML = elem.labels;
1487                         });
1488
1489                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1490
1491                 }
1492         } catch (e) {
1493                 exception_error("show_labels_in_headlines", e);
1494         }
1495 }
1496
1497 /* function toggleHeadlineActions() {
1498         try {
1499                 var e = $("headlineActionsBody");
1500                 var p = $("headlineActionsDrop");
1501
1502                 if (!Element.visible(e)) {
1503                         Element.show(e);
1504                 } else {
1505                         Element.hide(e);
1506                 }
1507
1508                 e.scrollTop = 0;
1509                 e.style.left = (p.offsetLeft + 1) + "px";
1510                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1511
1512         } catch (e) {
1513                 exception_error("toggleHeadlineActions", e);
1514         }
1515 } */
1516
1517 /* function publishWithNote(id, def_note) {
1518         try {
1519                 if (!def_note) def_note = '';
1520
1521                 var note = prompt(__("Please enter a note for this article:"), def_note);
1522
1523                 if (note != undefined) {
1524                         togglePub(id, false, false, note);
1525                 }
1526
1527         } catch (e) {
1528                 exception_error("publishWithNote", e);
1529         }
1530 } */
1531
1532 function dismissArticle(id) {
1533         try {
1534                 var elem = $("RROW-" + id);
1535
1536                 toggleUnread(id, 0, true);
1537
1538                 new Effect.Fade(elem, {duration : 0.5});
1539
1540                 active_post_id = false;
1541
1542         } catch (e) {
1543                 exception_error("dismissArticle", e);
1544         }
1545 }
1546
1547 function dismissSelectedArticles() {
1548         try {
1549
1550                 var ids = getVisibleArticleIds();
1551                 var tmp = [];
1552                 var sel = [];
1553
1554                 for (var i = 0; i < ids.length; i++) {
1555                         var elem = $("RROW-" + ids[i]);
1556
1557                         if (elem.className && elem.hasClassName("Selected") &&
1558                                         ids[i] != active_post_id) {
1559                                 new Effect.Fade(elem, {duration : 0.5});
1560                                 sel.push(ids[i]);
1561                         } else {
1562                                 tmp.push(ids[i]);
1563                         }
1564                 }
1565
1566                 if (sel.length > 0)
1567                         selectionToggleUnread(false);
1568
1569                 fixHeadlinesOrder(tmp);
1570
1571         } catch (e) {
1572                 exception_error("dismissSelectedArticles", e);
1573         }
1574 }
1575
1576 function dismissReadArticles() {
1577         try {
1578
1579                 var ids = getVisibleArticleIds();
1580                 var tmp = [];
1581
1582                 for (var i = 0; i < ids.length; i++) {
1583                         var elem = $("RROW-" + ids[i]);
1584
1585                         if (elem.className && !elem.hasClassName("Unread") &&
1586                                         !elem.hasClassName("Selected")) {
1587
1588                                 new Effect.Fade(elem, {duration : 0.5});
1589                         } else {
1590                                 tmp.push(ids[i]);
1591                         }
1592                 }
1593
1594                 fixHeadlinesOrder(tmp);
1595
1596         } catch (e) {
1597                 exception_error("dismissSelectedArticles", e);
1598         }
1599 }
1600
1601 function getVisibleArticleIds() {
1602         var ids = [];
1603
1604         try {
1605
1606                 getLoadedArticleIds().each(function(id) {
1607                         var elem = $("RROW-" + id);
1608                         if (elem && Element.visible(elem))
1609                                 ids.push(id);
1610                         });
1611
1612         } catch (e) {
1613                 exception_error("getVisibleArticleIds", e);
1614         }
1615
1616         return ids;
1617 }
1618
1619 function cdmClicked(event, id) {
1620         try {
1621                 //var shift_key = event.shiftKey;
1622
1623                 hideAuxDlg();
1624
1625                 if (!event.ctrlKey) {
1626
1627                         if (!getInitParam("cdm_expanded")) {
1628                                 return cdmExpandArticle(id);
1629                         } else {
1630
1631                                 selectArticles("none");
1632                                 toggleSelected(id);
1633
1634                                 var elem = $("RROW-" + id);
1635                                 var article_is_unread = elem.hasClassName("Unread");
1636
1637                                 if (elem)
1638                                         elem.removeClassName("Unread");
1639
1640                                 var upd_img_pic = $("FUPDPIC-" + id);
1641
1642                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1643                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1644
1645                                         upd_img_pic.src = "images/blank_icon.gif";
1646                                 }
1647
1648                                 active_post_id = id;
1649
1650                                 if (article_is_unread) {
1651                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1652                                 }
1653
1654                                 var query = "?op=rpc&method=catchupSelected" +
1655                                         "&cmode=0&ids=" + param_escape(id);
1656
1657                                 new Ajax.Request("backend.php", {
1658                                         parameters: query,
1659                                         onComplete: function(transport) {
1660                                                 handle_rpc_json(transport);
1661                                         } });
1662
1663                                 return true;
1664                         }
1665
1666                 } else {
1667                         toggleSelected(id, true);
1668
1669                         var elem = $("RROW-" + id);
1670                         var article_is_unread = elem.hasClassName("Unread");
1671
1672                         if (article_is_unread) {
1673                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1674                         }
1675
1676                         toggleUnread(id, 0, false);
1677                         zoomToArticle(event, id);
1678                 }
1679
1680         } catch (e) {
1681                 exception_error("cdmClicked");
1682         }
1683
1684         return false;
1685 }
1686
1687 function postClicked(event, id) {
1688         try {
1689
1690                 if (!event.ctrlKey) {
1691                         return true;
1692                 } else {
1693                         postOpenInNewTab(event, id);
1694                         return false;
1695                 }
1696
1697         } catch (e) {
1698                 exception_error("postClicked");
1699         }
1700 }
1701
1702 function hlOpenInNewTab(event, id) {
1703         toggleUnread(id, 0, false);
1704         zoomToArticle(event, id);
1705 }
1706
1707 function postOpenInNewTab(event, id) {
1708         closeArticlePanel(id);
1709         zoomToArticle(event, id);
1710 }
1711
1712 function hlClicked(event, id) {
1713         try {
1714                 if (event.which == 2) {
1715                         view(id);
1716                         return true;
1717                 } else if (event.altKey) {
1718                         openArticleInNewWindow(id);
1719                 } else if (!event.ctrlKey) {
1720                         view(id);
1721                         return false;
1722                 } else {
1723                         toggleSelected(id);
1724                         toggleUnread(id, 0, false);
1725                         zoomToArticle(event, id);
1726                         return false;
1727                 }
1728
1729         } catch (e) {
1730                 exception_error("hlClicked");
1731         }
1732 }
1733
1734 function getFirstVisibleHeadlineId() {
1735         var rows = getVisibleArticleIds();
1736         return rows[0];
1737
1738 }
1739
1740 function getLastVisibleHeadlineId() {
1741         var rows = getVisibleArticleIds();
1742         return rows[rows.length-1];
1743 }
1744
1745 function openArticleInNewWindow(id) {
1746         toggleUnread(id, 0, false);
1747         window.open("backend.php?op=article&method=redirect&id=" + id);
1748 }
1749
1750 function isCdmMode() {
1751         return getInitParam("combined_display_mode");
1752 }
1753
1754 function markHeadline(id) {
1755         var row = $("RROW-" + id);
1756         if (row) {
1757                 var check = $("RCHK-" + id);
1758
1759                 if (check) {
1760                         check.checked = true;
1761                 }
1762
1763                 row.addClassName("Selected");
1764         }
1765 }
1766
1767 function getRelativePostIds(id, limit) {
1768
1769         var tmp = [];
1770
1771         try {
1772
1773                 if (!limit) limit = 6; //3
1774
1775                 var ids = getVisibleArticleIds();
1776
1777                 for (var i = 0; i < ids.length; i++) {
1778                         if (ids[i] == id) {
1779                                 for (var k = 1; k <= limit; k++) {
1780                                         //if (i > k-1) tmp.push(ids[i-k]);
1781                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1782                                 }
1783                                 break;
1784                         }
1785                 }
1786
1787         } catch (e) {
1788                 exception_error("getRelativePostIds", e);
1789         }
1790
1791         return tmp;
1792 }
1793
1794 function correctHeadlinesOffset(id) {
1795
1796         try {
1797
1798                 var container = $("headlines-frame");
1799                 var row = $("RROW-" + id);
1800
1801                 if (!container || !row) return;
1802
1803                 var viewport = container.offsetHeight;
1804
1805                 var rel_offset_top = row.offsetTop - container.scrollTop;
1806                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1807
1808                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1809                 //console.log("Vport: " + viewport);
1810
1811                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1812                         container.scrollTop = row.offsetTop;
1813                 } else if (rel_offset_bottom > viewport) {
1814
1815                         /* doesn't properly work with Opera in some cases because
1816                                 Opera fucks up element scrolling */
1817
1818                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1819                 }
1820
1821         } catch (e) {
1822                 exception_error("correctHeadlinesOffset", e);
1823         }
1824
1825 }
1826
1827 function headlineActionsChange(elem) {
1828         try {
1829                 eval(elem.value);
1830                 elem.attr('value', 'false');
1831         } catch (e) {
1832                 exception_error("headlineActionsChange", e);
1833         }
1834 }
1835
1836 function closeArticlePanel() {
1837
1838         var tabs = dijit.byId("content-tabs");
1839         var child = tabs.selectedChildWidget;
1840
1841         if (child && tabs.getIndexOfChild(child) > 0) {
1842                 tabs.removeChild(child);
1843                 child.destroy();
1844         } else {
1845                 if (dijit.byId("content-insert"))
1846                         dijit.byId("headlines-wrap-inner").removeChild(
1847                                 dijit.byId("content-insert"));
1848         }
1849 }
1850
1851 function initHeadlinesMenu() {
1852         try {
1853                 if (dijit.byId("headlinesMenu"))
1854                         dijit.byId("headlinesMenu").destroyRecursive();
1855
1856                 var ids = [];
1857
1858                 if (!isCdmMode()) {
1859                         nodes = $$("#headlines-frame > div[id*=RROW]");
1860                 } else {
1861                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1862                 }
1863
1864                 nodes.each(function(node) {
1865                         ids.push(node.id);
1866                 });
1867
1868                 var menu = new dijit.Menu({
1869                         id: "headlinesMenu",
1870                         targetNodeIds: ids,
1871                 });
1872
1873                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1874                         var callerNode = event.target, match = null, tries = 0;
1875
1876                         while (match == null && callerNode && tries <= 3) {
1877                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1878                                 callerNode = callerNode.parentNode;
1879                                 ++tries;
1880                         }
1881
1882                         if (match) this.callerRowId = parseInt(match[1]);
1883
1884                 });
1885
1886 /*              if (!isCdmMode())
1887                         menu.addChild(new dijit.MenuItem({
1888                                 label: __("View article"),
1889                                 onClick: function(event) {
1890                                         view(this.getParent().callerRowId);
1891                                 }})); */
1892
1893                 menu.addChild(new dijit.MenuItem({
1894                         label: __("Open original article"),
1895                         onClick: function(event) {
1896                                 openArticleInNewWindow(this.getParent().callerRowId);
1897                         }}));
1898
1899                 menu.addChild(new dijit.MenuItem({
1900                         label: __("View in a tt-rss tab"),
1901                         onClick: function(event) {
1902                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1903                                 }}));
1904
1905                 menu.addChild(new dijit.MenuSeparator());
1906
1907                 menu.addChild(new dijit.MenuItem({
1908                         label: __("Mark above as read"),
1909                         onClick: function(event) {
1910                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1911                                 }}));
1912
1913                 menu.addChild(new dijit.MenuItem({
1914                         label: __("Mark below as read"),
1915                         onClick: function(event) {
1916                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1917                                 }}));
1918
1919
1920                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1921
1922                 if (labels) {
1923
1924                         menu.addChild(new dijit.MenuSeparator());
1925
1926                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1927                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1928
1929                         labels.each(function(label) {
1930                                 var id = label.id[0];
1931                                 var bare_id = id.substr(id.indexOf(":")+1);
1932                                 var name = label.name[0];
1933
1934                                 bare_id = -11-bare_id;
1935
1936                                 labelAddMenu.addChild(new dijit.MenuItem({
1937                                         label: name,
1938                                         labelId: bare_id,
1939                                         onClick: function(event) {
1940                                                 var ids = getSelectedArticleIds2();
1941                                                 // cast to string
1942                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1943
1944                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1945
1946                                                 selectionAssignLabel(this.labelId, ids);
1947                                 }}));
1948
1949                                 labelDelMenu.addChild(new dijit.MenuItem({
1950                                         label: name,
1951                                         labelId: bare_id,
1952                                         onClick: function(event) {
1953                                                 var ids = getSelectedArticleIds2();
1954                                                 // cast to string
1955                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1956
1957                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1958
1959                                                 selectionRemoveLabel(this.labelId, ids);
1960                                 }}));
1961
1962                         });
1963
1964                         menu.addChild(new dijit.PopupMenuItem({
1965                                 label: __("Assign label"),
1966                                 popup: labelAddMenu,
1967                         }));
1968
1969                         menu.addChild(new dijit.PopupMenuItem({
1970                                 label: __("Remove label"),
1971                                 popup: labelDelMenu,
1972                         }));
1973
1974                 }
1975
1976                 menu.startup();
1977
1978         } catch (e) {
1979                 exception_error("initHeadlinesMenu", e);
1980         }
1981 }
1982
1983
1984 function player(elem) {
1985         var aid = elem.getAttribute("audio-id");
1986         var status = elem.getAttribute("status");
1987
1988         var audio = $(aid);
1989
1990         if (audio) {
1991                 if (status == 0) {
1992                         audio.play();
1993                         status = 1;
1994                         elem.innerHTML = __("Playing...");
1995                         elem.title = __("Click to pause");
1996                         elem.addClassName("playing");
1997                 } else {
1998                         audio.pause();
1999                         status = 0;
2000                         elem.innerHTML = __("Play");
2001                         elem.title = __("Click to play");
2002                         elem.removeClassName("playing");
2003                 }
2004
2005                 elem.setAttribute("status", status);
2006         } else {
2007                 alert("Your browser doesn't seem to support HTML5 audio.");
2008         }
2009 }
2010
2011 function cache_set(id, obj) {
2012         //console.log("cache_set: " + id);
2013         if (has_storage)
2014                 try {
2015                         sessionStorage[id] = obj;
2016                 } catch (e) {
2017                         sessionStorage.clear();
2018                 }
2019 }
2020
2021 function cache_get(id) {
2022         if (has_storage)
2023                 return sessionStorage[id];
2024 }
2025
2026 function cache_clear() {
2027         if (has_storage)
2028                 sessionStorage.clear();
2029 }
2030
2031 function cache_delete(id) {
2032         if (has_storage)
2033                 sessionStorage.removeItem(id);
2034 }
2035
2036 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2037         if (toolbar_obj && content_obj) {
2038                 cache_set("feed:" + feed + ":" + is_cat,
2039                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2040         } else {
2041                 try {
2042                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2043
2044                         if (obj) {
2045                                 obj = JSON.parse(obj);
2046
2047                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2048                                 if (content_obj) obj.content = content_obj;
2049
2050                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2051                         }
2052
2053                 } catch (e) {
2054                         console.warn("cache_headlines failed: " + e);
2055                 }
2056         }
2057 }
2058
2059 function render_local_headlines(feed, is_cat, obj) {
2060         try {
2061
2062                 dijit.byId("headlines-toolbar").attr('content',
2063                         obj.toolbar);
2064
2065                 dijit.byId("headlines-frame").attr('content',
2066                         obj.content);
2067
2068                 dojo.parser.parse('headlines-toolbar');
2069
2070                 $("headlines-frame").scrollTop = 0;
2071                 selectArticles('none');
2072                 setActiveFeedId(feed, is_cat);
2073                 initHeadlinesMenu();
2074
2075                 precache_headlines();
2076
2077         } catch (e) {
2078                 exception_error("render_local_headlines", e);
2079         }
2080 }
2081
2082 function precache_headlines_idle() {
2083         try {
2084                 if (!feed_precache_timeout_id) {
2085                         if (get_timestamp() - _viewfeed_last > 120) {
2086
2087                                 var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2088                                 var uncached = [];
2089
2090                                 feeds.each(function(item) {
2091                                         if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2092                                                 uncached.push(item);
2093                                 });
2094
2095                                 if (uncached.length > 0) {
2096                                         var rf = uncached[Math.floor(Math.random()*uncached.length)];
2097                                         viewfeed(rf[0], '', rf[1], 0, true);
2098                                 }
2099                         }
2100                 }
2101                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2102
2103         } catch (e) {
2104                 exception_error("precache_headlines_idle", e);
2105         }
2106 }
2107
2108 function precache_headlines() {
2109         try {
2110
2111                 if (!feed_precache_timeout_id) {
2112                         feed_precache_timeout_id = window.setTimeout(function() {
2113                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2114                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2115
2116                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2117                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2118
2119                                 if (nf && nf[0] != nuf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2120                                         viewfeed(nf[0], '', nf[1], 0, true);
2121
2122                                 window.setTimeout(function() {
2123                                         feed_precache_timeout_id = false;
2124                                         }, 3000);
2125                         }, 1000);
2126                 }
2127
2128         } catch (e) {
2129                 exception_error("precache_headlines", e);
2130         }
2131 }
2132
2133