js/viewfeed.js

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