offline.js

   1 var SCHEMA_VERSION = 7;
   2
   3 var offline_mode = false;
   4 var store = false;
   5 var localServer = false;
   6 var db = false;
   7
   8 function view_offline(id, feed_id) {
   9         try {
  10
  11                 enableHotkeys();
  12                 showArticleInHeadlines(id);
  13
  14                 db.execute("UPDATE articles SET unread = 0 WHERE id = ?", [id]);
  15
  16                 var rs = db.execute("SELECT * FROM articles WHERE id = ?", [id]);
  17
  18                 if (rs.isValidRow()) {
  19
  20                         var tmp = "<div class=\"postReply\">";
  21
  22                         tmp += "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\" "+
  23                                 "onmouseout=\"enable_resize(false)\">";
  24
  25                         tmp += "<div class=\"postDate\">"+rs.fieldByName("updated")+"</div>";
  26
  27                         if (rs.fieldByName("link") != "") {
  28                                 tmp += "<div clear='both'><a target=\"_blank\" "+
  29                                         "href=\"" + rs.fieldByName("link") + "\">" +
  30                                         rs.fieldByName("title") + "</a></div>";
  31                         } else {
  32                                 tmp += "<div clear='both'>" + rs.fieldByName("title") + "</div>";
  33                         }
  34
  35 /*                      tmp += "<div style='float : right'> "+
  36                                 "<img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>";
  37                         tmp += rs.fieldByName("tags");
  38                         tmp += "</div>"; */
  39
  40 /*                      tmp += "<div clear='both'>"+
  41                                 "<a target=\"_blank\" "+
  42                                         "href=\"" + rs.fieldByName("comments") + "\">" +
  43                                         __("comments") + "</a></div>"; */
  44
  45                         tmp += "</div>";
  46
  47                         tmp += "<div class=\"postContent\">"
  48                         tmp += rs.fieldByName("content");
  49                         tmp += "</div>";
  50
  51                         tmp += "</div>";
  52
  53                         render_article(tmp);
  54                         update_local_feedlist_counters();
  55                 }
  56
  57                 rs.close();
  58
  59                 return false;
  60
  61         } catch (e) {
  62                 exception_error("view_offline", e);
  63         }
  64 }
  65
  66 function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, offset) {
  67         try {
  68                 notify('');
  69
  70                 if (!offset) offset = 0;
  71
  72                 if (offset > 0) {
  73                         _feed_cur_page = parseInt(offset);
  74                         if (_infscroll_request_sent) {
  75                                 return;
  76                         }
  77                 } else {
  78                         _feed_cur_page = 0;
  79                         _infscroll_disable = 0;
  80                 }
  81
  82                 if (getActiveFeedId() != feed_id) {
  83                         _feed_cur_page = 0;
  84                         active_post_id = 0;
  85                         _infscroll_disable = 0;
  86                 }
  87
  88                 loading_set_progress(100);
  89
  90                 clean_feed_selections();
  91
  92                 setActiveFeedId(feed_id, is_cat);
  93
  94                 if (!is_cat) {
  95                         var feedr = document.getElementById("FEEDR-" + feed_id);
  96                         if (feedr && !feedr.className.match("Selected")) {
  97                                 feedr.className = feedr.className + "Selected";
  98                         }
  99                 } else {
 100                         var feedr = document.getElementById("FCAT-" + feed_id);
 101                         if (feedr && !feedr.className.match("Selected")) {
 102                                 feedr.className = feedr.className + "Selected";
 103                         }
 104                 }
 105
 106                 disableContainerChildren("headlinesToolbar", false);
 107                 Form.enable("main_toolbar_form");
 108
 109                 var f = document.getElementById("headlines-frame");
 110                 try {
 111                         if (reply.offset == 0) {
 112                                 debug("resetting headlines scrollTop");
 113                                 f.scrollTop = 0;
 114                         }
 115                 } catch (e) { };
 116
 117
 118                 var tmp = "";
 119
 120                 var feed_title = get_local_feed_title(feed_id);
 121
 122                 if (feed_title) {
 123
 124                         if (offset == 0) {
 125                                 tmp += "<div id=\"headlinesContainer\">";
 126
 127                                 tmp += "<div class=\"headlinesSubToolbar\">";
 128                                 tmp += "<div id=\"subtoolbar_ftitle\">";
 129                                 tmp += feed_title;
 130                                 tmp += "</div>";
 131
 132                                 var sel_all_link;
 133                                 var sel_unread_link;
 134                                 var sel_none_link;
 135                                 var sel_inv_link;
 136
 137                                 if (document.getElementById("content-frame")) {
 138                                         sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
 139                                         sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
 140                                         sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
 141                                         sel_inv_link = "javascript:invertHeadlineSelection()";
 142                                 } else {
 143                                         sel_all_link = "javascript:cdmSelectArticles('all')";
 144                                         sel_unread_link = "javascript:cdmSelectArticles('unread')";
 145                                         sel_none_link = "javascript:cdmSelectArticles('none')";
 146                                         sel_inv_link = "javascript:invertHeadlineSelection()";
 147                                 }
 148
 149                                 tmp += __('Select:')+
 150                                         " <a href=\""+sel_all_link+"\">"+__('All')+"</a>, "+
 151                                         "<a href=\""+sel_unread_link+"\">"+__('Unread')+"</a>, "+
 152                                         "<a href=\""+sel_inv_link+"\">"+__('Invert')+"</a>, "+
 153                                         "<a href=\""+sel_none_link+"\">"+__('None')+"</a>";
 154
 155                                 tmp += "&nbsp;&nbsp;";
 156
 157                                 tmp += "</div>";
 158
 159                                 tmp += "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
 160                                 if (document.getElementById("content-frame")) {
 161                                         tmp += "<table class=\"headlinesList\" id=\"headlinesList\" cellspacing=\"0\">";
 162                                 }
 163
 164                         }
 165
 166                         var limit = 30;
 167
 168                         var toolbar_form = document.forms["main_toolbar_form"];
 169
 170                         var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex].value;
 171                         var view_mode = toolbar_form.view_mode[toolbar_form.view_mode.selectedIndex].value;
 172
 173                         var limit_qpart = "";
 174                         var strategy_qpart = "";
 175                         var mode_qpart = "";
 176                         var offset_qpart = "";
 177
 178                         if (limit != 0) {
 179                                 limit_qpart = "LIMIT " + limit;
 180                         }
 181
 182                         if (view_mode == "all_articles") {
 183                                 mode_qpart = "1";
 184                         } else if (view_mode == "adaptive") {
 185                                 if (get_local_feed_unread(feed_id) > 0) {
 186                                         mode_qpart = "unread = 1";
 187                                 } else {
 188                                         mode_qpart = "1";
 189                                 }
 190                         } else if (view_mode == "marked") {
 191                                 mode_qpart = "marked = 1";
 192                         } else if (view_mode == "unread") {
 193                                 mode_qpart = "unread = 1";
 194                         } else {
 195                                 mode_qpart = "1";
 196                         }
 197
 198                         if (feed_id > 0) {
 199                                 strategy_qpart = "feed_id = " + feed_id;
 200                         } else if (feed_id == -1) {
 201                                 strategy_qpart = "marked = 1";
 202                         } else if (feed_id == -4) {
 203                                 strategy_qpart = "1";
 204                         } else if (feed_id < -10) {
 205                                 var label_id = -11 - feed_id;
 206                                 strategy_qpart = "label_id = " + label_id;
 207
 208                         }
 209
 210                         if (offset > 0) {
 211                                 offset_qpart = "OFFSET " + (offset*30);
 212                         } else {
 213                                 offset_qpart = "";
 214                         }
 215
 216                         var query = "SELECT *,feeds.title AS feed_title "+
 217                                 "FROM articles,feeds LEFT JOIN article_labels "+
 218                                         "ON (article_labels.id = articles.id) WHERE " +
 219                                 "feed_id = feeds.id AND " +
 220                                 strategy_qpart +
 221                                 " AND " + mode_qpart +
 222                                 " ORDER BY updated DESC "+
 223                                 limit_qpart + " " +
 224                                 offset_qpart;
 225
 226                         var rs = db.execute(query);
 227
 228                         var line_num = offset*30;
 229
 230                         var real_feed_id = feed_id;
 231
 232                         while (rs.isValidRow()) {
 233
 234                                 var id = rs.fieldByName("id");
 235                                 var feed_id = rs.fieldByName("feed_id");
 236
 237                                 var entry_feed_title = false;
 238
 239                                 if (real_feed_id < 0) {
 240                                         entry_feed_title = rs.fieldByName("feed_title");
 241                                 }
 242
 243                                 var marked_pic;
 244
 245                                 var row_class = (line_num % 2) ? "even" : "odd";
 246
 247                                 if (rs.fieldByName("unread") == "1") {
 248                                         row_class += "Unread";
 249                                 }
 250
 251                                 if (rs.fieldByName("marked") == "1") {
 252                                         marked_pic = "<img id=\"FMPIC-"+id+"\" "+
 253                                                 "src=\"images/mark_set.png\" class=\"markedPic\""+
 254                                                 "alt=\"Unstar article\" onclick='javascript:tMark("+id+")'>";
 255                                 } else {
 256                                         marked_pic = "<img id=\"FMPIC-"+id+"\" "+
 257                                                 "src=\"images/mark_unset.png\" class=\"markedPic\""+
 258                                                 "alt=\"Star article\" onclick='javascript:tMark("+id+")'>";
 259                                 }
 260
 261                                 var mouseover_attrs = "onmouseover='postMouseIn($id)' "+
 262                                         "onmouseout='postMouseOut($id)'";
 263
 264                                 var content_preview = truncate_string(strip_tags(rs.fieldByName("content")),
 265                                                 100);
 266
 267                                 if (document.getElementById("content-frame")) {
 268
 269                                         tmp += "<tr class='"+row_class+"' id='RROW-"+id+"' "+mouseover_attrs+">";
 270
 271                                         tmp += "<td class='hlUpdPic'> </td>";
 272
 273                                         tmp += "<td class='hlSelectRow'>"+
 274                                                 "<input type=\"checkbox\" onclick=\"tSR(this)\" id=\"RCHK-"+id+"\"></td>";
 275
 276                                         tmp += "<td class='hlMarkedPic'>"+marked_pic+"</td>";
 277
 278                                         tmp += "<td onclick='view("+id+","+feed_id+")' "+
 279                                                 "class='hlContent' valign='middle'>";
 280
 281                                         tmp += "<a target=\"_blank\" id=\"RTITLE-"+id+"\" href=\"" +
 282                                                 rs.fieldByName("link") + "\"" +
 283                                                 "onclick=\"return view("+id+","+feed_id+");\">"+
 284                                                 rs.fieldByName("title");
 285
 286                                         tmp += "<span class=\"contentPreview\"> - "+content_preview+"</span>";
 287
 288                                         tmp += "</a>";
 289
 290                                         if (entry_feed_title) {
 291                                                 tmp += " <span class=\"hlFeed\">"+
 292                                                         "(<a href='javascript:viewfeed("+feed_id+
 293                                                         ")'>"+entry_feed_title+"</a>)</span>";
 294                                         }
 295
 296                                         tmp += "</td>";
 297
 298                                         tmp += "<td class=\"hlUpdated\" onclick='view("+id+","+feed_id+")'>"+
 299                                                 "<nobr>"+rs.fieldByName("updated").substring(0,16)+
 300                                                 "</nobr></td>";
 301
 302                                         tmp += "</tr>";
 303                                 } else {
 304
 305                                         var add_class = "";
 306
 307                                         if (rs.fieldByName("unread") == "1") {
 308                                                 add_class = "Unread";
 309                                         }
 310
 311                                         tmp += "<div class=\"cdmArticle"+add_class+"\" id=\"RROW-"+id+"\" "+
 312                                                 mouseover_attrs+"'>";
 313
 314                                         feed_icon_img = "<img class=\"tinyFeedIcon\" src=\""+
 315                                                 getInitParam("icons_url")+"/"+feed_id+".ico\" alt=\"\">";
 316                                         cdm_feed_icon = "<span style=\"cursor : pointer\" "+
 317                                                 "onclick=\"viewfeed("+feed_id+")\">"+feed_icon_img+"</span>";
 318
 319                                         tmp += "<div class=\"cdmHeader\">";
 320                                         tmp += "<div class=\"articleUpdated\">"+
 321                                                 rs.fieldByName("updated").substring(0,16)+
 322                                                 " "+cdm_feed_icon+"</div>";
 323
 324                                         tmp += "<span id=\"RTITLE-"+id+"\" class=\"titleWrap\">"+
 325                                                 "<a class=\"title\" onclick=\"javascript:toggleUnread("+id+", 0)\""+
 326                                                 "target=\"_blank\" href=\""+rs.fieldByName("link")+
 327                                                 "\">"+rs.fieldByName("title")+"</a>";
 328
 329                                         if (entry_feed_title) {
 330                                                 tmp += "&nbsp;(<a href='javascript:viewfeed("+feed_id+
 331                                                         ")'>"+entry_feed_title+"</a>)";
 332                                         }
 333
 334                                         tmp += "</span></div>";
 335
 336                                         tmp += "<div class=\"cdmContent\" onclick=\"cdmClicked("+id+")\""+
 337                                                 "id=\"CICD-"+id+"\">";
 338                                         tmp += rs.fieldByName("content");
 339                                         tmp += "<br clear='both'>"
 340                                         tmp += "</div>";
 341
 342                                         tmp += "<div class=\"cdmFooter\"><span class='s0'>";
 343                                         tmp += __("Select:")+
 344                                                 " <input type=\"checkbox\" "+
 345                                                 "onclick=\"toggleSelectRowById(this, 'RROW-"+id+"')\" "+
 346                                                 "class=\"feedCheckBox\" id=\"RCHK-"+id+"\">";
 347
 348                                         tmp += "</span><span class='s1'>"+marked_pic+"</span> ";
 349
 350 /*                                      tmp += "<span class='s1'>"+
 351                                                 "<img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>"+
 352                                                 "<span id=\"ATSTR-"+id+"\">"+rs.fieldByName("tags")+"</span>"+
 353                                                 "</span>"; */
 354
 355                                         tmp += "<span class='s2'>Toggle: <a class=\"cdmToggleLink\""+
 356                                                 "href=\"javascript:toggleUnread("+id+")\">"+
 357                                                 "Unread</a></span>";
 358                                         tmp += "</div>";
 359
 360                                         tmp += "</div>";
 361                                 }
 362
 363                                 rs.next();
 364                                 line_num++;
 365                         }
 366
 367                         if (line_num - offset*30 < 30) {
 368                                 _infscroll_disable = 1;
 369                         }
 370
 371                         rs.close();
 372
 373                         if (offset == 0) {
 374                                 tmp += "</table>";
 375
 376                                 if (line_num - offset*30 == 0) {
 377                                         tmp += "<div class='whiteBox'>" +
 378                                                 __("No articles found to display.") +
 379                                                 "</div>";
 380                                 }
 381                                 tmp += "</div></div>";
 382                         }
 383
 384                         if (offset == 0) {
 385                                 var container = document.getElementById("headlines-frame");
 386                                 container.innerHTML = tmp;
 387                         } else {
 388                                 var ids = getSelectedArticleIds2();
 389
 390                                 var container = document.getElementById("headlinesList");
 391                                 container.innerHTML = container.innerHTML + tmp;
 392
 393                                 for (var i = 0; i < ids.length; i++) {
 394                                         markHeadline(ids[i]);
 395                                 }
 396                         }
 397                 }
 398
 399                 remove_splash();
 400
 401                 _infscroll_request_sent = 0;
 402
 403         } catch (e) {
 404                 exception_error("viewfeed_offline", e);
 405         }
 406 }
 407
 408 function render_offline_feedlist() {
 409         try {
 410                 var cats_enabled = getInitParam("enable_feed_cats") == "1";
 411
 412                 var tmp = "<ul class=\"feedList\" id=\"feedList\">";
 413
 414                 var unread = get_local_feed_unread(-4);
 415
 416                 global_unread = unread;
 417                 updateTitle();
 418
 419                 if (cats_enabled) {
 420                         tmp += printCategoryHeader(-1, is_local_cat_collapsed(-1), false);
 421                 }
 422
 423                 tmp += printFeedEntry(-4, __("All articles"), "feed", unread,
 424                         "images/tag.png");
 425
 426                 var unread = get_local_feed_unread(-1);
 427
 428                 tmp += printFeedEntry(-1, __("Starred articles"), "feed", unread,
 429                         "images/mark_set.png");
 430
 431                 if (cats_enabled) {
 432                         tmp += "</ul></li>";
 433                 } else {
 434                         tmp += "<li><hr/></li>";
 435                 }
 436
 437                 if (cats_enabled) {
 438                         tmp += printCategoryHeader(-2, is_local_cat_collapsed(-2), false);
 439                 }
 440
 441                 var rs = db.execute("SELECT id,caption "+
 442                         "FROM labels "+
 443                         "ORDER BY caption");
 444
 445                 while (rs.isValidRow()) {
 446                         var id = -11 - parseInt(rs.field(0));
 447                         var caption = rs.field(1);
 448                         var unread = get_local_feed_unread(id);
 449
 450                         tmp += printFeedEntry(id, caption, "feed", unread,
 451                                 "images/label.png");
 452
 453                         rs.next();
 454                 }
 455
 456                 rs.close();
 457
 458                 if (cats_enabled) {
 459                         tmp += "</ul></li>";
 460                 } else {
 461                         tmp += "<li><hr/></li>";
 462                 }
 463
 464 /*              var rs = db.execute("SELECT feeds.id,feeds.title,has_icon,COUNT(articles.id) "+
 465                         "FROM feeds LEFT JOIN articles ON (feed_id = feeds.id) "+
 466                         "WHERE unread = 1 OR unread IS NULL GROUP BY feeds.id "+
 467                         "ORDER BY feeds.title"); */
 468
 469                 var order_by = "feeds.title";
 470
 471                 if (cats_enabled) order_by = "categories.title," + order_by;
 472
 473                 var rs = db.execute("SELECT "+
 474                         "feeds.id,feeds.title,has_icon,cat_id,collapsed "+
 475                         "FROM feeds,categories WHERE cat_id = categories.id "+
 476                         "ORDER BY "+order_by);
 477
 478                 var tmp_cat_id = -1;
 479
 480                 while (rs.isValidRow()) {
 481
 482                         var id = rs.field(0);
 483                         var title = rs.field(1);
 484                         var has_icon = rs.field(2);
 485                         var unread = get_local_feed_unread(id);
 486                         var cat_id = rs.field(3);
 487                         var cat_hidden = rs.field(4);
 488
 489                         if (cat_id != tmp_cat_id && cats_enabled) {
 490                                 if (tmp_cat_id != -1) {
 491                                         tmp += "</ul></li>";
 492                                 }
 493                                 tmp += printCategoryHeader(cat_id, cat_hidden, false);
 494                                 tmp_cat_id = cat_id;
 495                         }
 496
 497                         var icon = "";
 498
 499                         if (has_icon) {
 500                                 icon = "icons/" + id + ".ico";
 501                         }
 502
 503                         var feed_icon = "";
 504
 505                         var row_class = "feed";
 506
 507                         if (unread > 0) {
 508                                 row_class += "Unread";
 509                                 fctr_class = "feedCtrHasUnread";
 510                         } else {
 511                                 fctr_class = "feedCtrNoUnread";
 512                         }
 513
 514                         tmp += printFeedEntry(id, title, "feed", unread, icon);
 515
 516                         rs.next();
 517                 }
 518
 519                 rs.close();
 520
 521                 if (cats_enabled) {
 522                         tmp += "</ul>";
 523                 }
 524
 525                 tmp += "</ul>";
 526
 527                 render_feedlist(tmp);
 528         } catch (e) {
 529                 exception_error("render_offline_feedlist", e);
 530         }
 531 }
 532
 533 function init_offline() {
 534         try {
 535                 offline_mode = true;
 536
 537                 Element.hide("dispSwitchPrompt");
 538                 Element.hide("feedBrowserPrompt");
 539
 540                 Element.hide("topLinksOnline");
 541                 Element.show("topLinksOffline");
 542
 543                 var tb_form = document.getElementById("main_toolbar_form");
 544                 Element.hide(tb_form.update);
 545
 546                 var chooser = document.getElementById("quickMenuChooser");
 547                 chooser.disabled = true;
 548
 549                 var rs = db.execute("SELECT key, value FROM init_params");
 550
 551                 while (rs.isValidRow()) {
 552                         init_params[rs.field(0)] = rs.field(1);
 553                         rs.next();
 554                 }
 555
 556                 rs.close();
 557
 558                 var rs = db.execute("SELECT COUNT(*) FROM feeds");
 559
 560                 var num_feeds = 0;
 561
 562                 if (rs.isValidRow()) {
 563                         num_feeds = rs.field(0);
 564                 }
 565
 566                 rs.close();
 567
 568                 if (num_feeds == 0) {
 569                         remove_splash();
 570                         return fatalError(0,
 571                                 __("Data for offline browsing has not been downloaded yet."));
 572                 }
 573
 574                 render_offline_feedlist();
 575                 init_second_stage();
 576                 window.setTimeout("viewfeed(-4)", 50);
 577
 578         } catch (e) {
 579                 exception_error("init_offline", e);
 580         }
 581 }
 582
 583 function offline_download_parse(stage, transport) {
 584         try {
 585                 if (transport.responseXML) {
 586
 587                         if (stage == 0) {
 588
 589                                 var feeds = transport.responseXML.getElementsByTagName("feed");
 590
 591                                 if (feeds.length > 0) {
 592                                         db.execute("DELETE FROM feeds");
 593                                 }
 594
 595                                 for (var i = 0; i < feeds.length; i++) {
 596                                         var id = feeds[i].getAttribute("id");
 597                                         var has_icon = feeds[i].getAttribute("has_icon");
 598                                         var title = feeds[i].firstChild.nodeValue;
 599                                         var cat_id = feeds[i].getAttribute("cat_id");
 600
 601                                         db.execute("INSERT INTO feeds (id,title,has_icon,cat_id)"+
 602                                                 "VALUES (?,?,?,?)",
 603                                                 [id, title, has_icon, cat_id]);
 604                                 }
 605
 606                                 var cats = transport.responseXML.getElementsByTagName("category");
 607
 608                                 if (feeds.length > 0) {
 609                                         db.execute("DELETE FROM categories");
 610                                 }
 611
 612                                 for (var i = 0; i < cats.length; i++) {
 613                                         var id = cats[i].getAttribute("id");
 614                                         var collapsed = cats[i].getAttribute("collapsed");
 615                                         var title = cats[i].firstChild.nodeValue;
 616
 617                                         db.execute("INSERT INTO categories (id,title,collapsed)"+
 618                                                 "VALUES (?,?,?)",
 619                                                 [id, title, collapsed]);
 620                                 }
 621
 622                                 var labels = transport.responseXML.getElementsByTagName("label");
 623
 624                                 if (labels.length > 0) {
 625                                         db.execute("DELETE FROM labels");
 626                                 }
 627
 628                                 for (var i = 0; i < labels.length; i++) {
 629                                         var id = labels[i].getAttribute("id");
 630                                         var fg_color = labels[i].getAttribute("fg_color");
 631                                         var bg_color = labels[i].getAttribute("bg_color");
 632                                         var caption = labels[i].firstChild.nodeValue;
 633
 634                                         db.execute("INSERT INTO labels (id,caption,fg_color,bg_color)"+
 635                                                 "VALUES (?,?,?,?)",
 636                                                 [id, caption, fg_color, bg_color]);
 637                                 }
 638
 639                                 window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000);
 640                         } else {
 641
 642                                 var articles = transport.responseXML.getElementsByTagName("article");
 643
 644                                 var limit = transport.responseXML.getElementsByTagName("limit")[0];
 645
 646                                 if (limit) {
 647                                         limit = limit.getAttribute("value");
 648                                 } else {
 649                                         limit = 0;
 650                                 }
 651
 652                                 var articles_found = 0;
 653
 654                                 for (var i = 0; i < articles.length; i++) {
 655                                         var a = eval("("+articles[i].firstChild.nodeValue+")");
 656                                         articles_found++;
 657                                         if (a) {
 658
 659                                                 var date = new Date();
 660                                                 var ts = Math.round(date.getTime() / 1000);
 661
 662                                                 db.execute("DELETE FROM articles WHERE id = ?", [a.id]);
 663                                                 db.execute("DELETE FROM article_labels WHERE id = ?", [a.id]);
 664
 665                                                 db.execute("INSERT INTO articles "+
 666                                                 "(id, feed_id, title, link, guid, updated, content, "+
 667                                                         "unread, marked, tags, added, comments) "+
 668                                                 "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
 669                                                         [a.id, a.feed_id, a.title, a.link, a.guid, a.updated,
 670                                                                 a.content, a.unread, a.marked, a.tags, ts,
 671                                                                 a.comments]);
 672
 673                                                 if (a.labels.length > 0) {
 674                                                         for (var j = 0; j < a.labels.length; j++) {
 675                                                                 label_local_add_article(a.id, a.labels[j][0]);
 676                                                         }
 677                                                 }
 678
 679                                         }
 680                                 }
 681
 682                                 debug("downloaded articles: " + articles_found + " limit: " + limit);
 683
 684                                 if (articles_found >= limit) {
 685                                         window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000);
 686                                         debug("update_offline_data: done " + stage);
 687                                 } else {
 688                                         window.setTimeout("update_offline_data(0)", 1800*1000);
 689                                         debug("update_offline_data: finished");
 690
 691                                         var date = new Date();
 692                                         var ts = Math.round(date.getTime() / 1000);
 693
 694                                         db.execute("DELETE FROM articles WHERE added < ? - 2592000", [ts]);
 695
 696                                 }
 697                         }
 698
 699 //                      notify('');
 700
 701                 }
 702         } catch (e) {
 703                 exception_error("offline_download_parse", e);
 704         }
 705 }
 706
 707 function update_offline_data(stage) {
 708         try {
 709
 710                 if (!stage) stage = 0;
 711                 if (offline_mode) return;
 712
 713                 debug("update_offline_data: stage " + stage);
 714
 715 //              notify_progress("Updating offline data... (" + stage +")", true);
 716
 717                 var query = "backend.php?op=rpc&subop=download&stage=" + stage;
 718
 719                 var rs = db.execute("SELECT MAX(id), MIN(id) FROM articles");
 720
 721                 if (rs.isValidRow() && rs.field(0)) {
 722                         var offline_dl_max_id = rs.field(0);
 723                         var offline_dl_min_id = rs.field(1);
 724
 725                         query = query + "&cidt=" + offline_dl_max_id;
 726                         query = query + "&cidb=" + offline_dl_min_id;
 727                 }
 728
 729                 rs.close();
 730
 731                 new Ajax.Request(query, {
 732                         onComplete: function(transport) {
 733                                 offline_download_parse(stage, transport);
 734                         } });
 735
 736         } catch (e) {
 737                 exception_error("initiate_offline_download", e);
 738         }
 739 }
 740
 741 function set_feedlist_counter(id, ctr, is_cat) {
 742         try {
 743
 744                 var feedctr = document.getElementById("FEEDCTR-" + id);
 745                 var feedu = document.getElementById("FEEDU-" + id);
 746                 var feedr = document.getElementById("FEEDR-" + id);
 747
 748                 if (is_cat) {
 749                         var catctr = document.getElementById("FCATCTR-" + id);
 750                         if (catctr) {
 751                                 catctr.innerHTML = "(" + ctr + ")";
 752                                 if (ctr > 0) {
 753                                         catctr.className = "catCtrHasUnread";
 754                                 } else {
 755                                         catctr.className = "catCtrNoUnread";
 756                                 }
 757                         }
 758                 } else if (feedctr && feedu && feedr) {
 759
 760                         var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
 761
 762                         feedu.innerHTML = ctr;
 763
 764                         if (ctr > 0) {
 765                                 feedctr.className = "feedCtrHasUnread";
 766                                 if (!feedr.className.match("Unread")) {
 767                                         var is_selected = feedr.className.match("Selected");
 768
 769                                         feedr.className = feedr.className.replace("Selected", "");
 770                                         feedr.className = feedr.className.replace("Unread", "");
 771
 772                                         feedr.className = feedr.className + "Unread";
 773
 774                                         if (is_selected) {
 775                                                 feedr.className = feedr.className + "Selected";
 776                                         }
 777
 778                                 }
 779
 780                                 if (row_needs_hl) {
 781                                         new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
 782                                                 queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
 783                                 }
 784                         } else {
 785                                 feedctr.className = "feedCtrNoUnread";
 786                                 feedr.className = feedr.className.replace("Unread", "");
 787                         }
 788                 }
 789
 790         } catch (e) {
 791                 exception_error("set_feedlist_counter", e);
 792         }
 793 }
 794
 795 function update_local_feedlist_counters() {
 796         try {
 797                 if (!offline_mode) return;
 798
 799 /*              var rs = db.execute("SELECT feeds.id,COUNT(articles.id) "+
 800                         "FROM feeds LEFT JOIN articles ON (feed_id = feeds.id) "+
 801                         "WHERE unread = 1 OR unread IS NULL GROUP BY feeds.id "+
 802                         "ORDER BY feeds.title"); */
 803
 804                 var rs = db.execute("SELECT id FROM feeds "+
 805                         "ORDER BY title");
 806
 807                 while (rs.isValidRow()) {
 808                         var id = rs.field(0);
 809                         var ctr = get_local_feed_unread(id);
 810                         set_feedlist_counter(id, ctr, false);
 811                         rs.next();
 812                 }
 813
 814                 rs.close();
 815
 816                 var rs = db.execute("SELECT cat_id,SUM(unread) "+
 817                         "FROM articles, feeds WHERE feeds.id = feed_id GROUP BY cat_id");
 818
 819                 while (rs.isValidRow()) {
 820                         var id = rs.field(0);
 821                         var ctr = rs.field(1);
 822                         set_feedlist_counter(id, ctr, true);
 823                         rs.next();
 824                 }
 825
 826                 rs.close();
 827
 828                 set_feedlist_counter(-4, get_local_feed_unread(-4));
 829                 set_feedlist_counter(-1, get_local_feed_unread(-1));
 830
 831                 var rs = db.execute("SELECT id FROM labels");
 832
 833                 while (rs.isValidRow()) {
 834                         var id = -11 - rs.field(0);
 835                         var ctr = get_local_feed_unread(id);
 836                         set_feedlist_counter(id, ctr, false);
 837                         rs.next();
 838                 }
 839
 840                 rs.close();
 841
 842                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 843
 844                 global_unread = get_local_feed_unread(-4);
 845                 updateTitle();
 846
 847         } catch (e) {
 848                 exception_error("update_local_feedlist_counters", e);
 849         }
 850 }
 851
 852 function get_local_feed_unread(id) {
 853         try {
 854                 var rs;
 855
 856                 if (id == -4) {
 857                         rs = db.execute("SELECT SUM(unread) FROM articles");
 858                 } else if (id == -1) {
 859                         rs = db.execute("SELECT SUM(unread) FROM articles WHERE marked = 1");
 860                 } else if (id > 0) {
 861                         rs = db.execute("SELECT SUM(unread) FROM articles WHERE feed_id = ?", [id]);
 862                 } else if (id < -10) {
 863                         var label_id = -11 - id;
 864                         rs = db.execute("SELECT SUM(unread) FROM articles,article_labels "+
 865                                 "WHERE article_labels.id = articles.id AND label_id = ?", [label_id]);
 866                 }
 867
 868                 var a = false;
 869
 870                 if (rs.isValidRow()) {
 871                         a = rs.field(0);
 872                 } else {
 873                         a = 0;
 874                 }
 875
 876                 rs.close();
 877
 878                 return a;
 879
 880         } catch (e) {
 881                 exception_error("get_local_feed_unread", e);
 882         }
 883 }
 884
 885 function init_gears() {
 886         try {
 887
 888                 if (window.google && google.gears) {
 889                         localServer = google.gears.factory.create("beta.localserver");
 890                         store = localServer.createManagedStore("tt-rss");
 891                         db = google.gears.factory.create('beta.database');
 892                         db.open('tt-rss');
 893
 894                         db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)");
 895
 896                         var rs = db.execute("SELECT schema_version FROM version");
 897
 898                         var version = "";
 899
 900                         if (rs.isValidRow()) {
 901                                 version = rs.field(0);
 902                         }
 903
 904                         rs.close();
 905
 906                         if (version != SCHEMA_VERSION) {
 907                                 db.execute("DROP TABLE IF EXISTS init_params");
 908                                 db.execute("DROP TABLE IF EXISTS cache");
 909                                 db.execute("DROP TABLE IF EXISTS feeds");
 910                                 db.execute("DROP TABLE IF EXISTS categories");
 911                                 db.execute("DROP TABLE IF EXISTS labels");
 912                                 db.execute("DROP TABLE IF EXISTS article_labels");
 913                                 db.execute("DROP TABLE IF EXISTS articles");
 914                                 db.execute("DROP TABLE IF EXISTS version");
 915                                 db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)");
 916                                 db.execute("INSERT INTO version (schema_version) VALUES (?)",
 917                                         [SCHEMA_VERSION]);
 918                         }
 919
 920                         db.execute("CREATE TABLE IF NOT EXISTS init_params (key text, value text)");
 921
 922                         db.execute("CREATE TABLE IF NOT EXISTS cache (id text, article text, param text, added text)");
 923                         db.execute("CREATE TABLE IF NOT EXISTS feeds (id integer, title text, has_icon integer, cat_id integer)");
 924                         db.execute("CREATE TABLE IF NOT EXISTS categories (id integer, title text, collapsed integer)");
 925                         db.execute("CREATE TABLE IF NOT EXISTS labels (id integer, caption text, fg_color text, bg_color text)");
 926                         db.execute("CREATE TABLE IF NOT EXISTS article_labels (id integer, label_id integer)");
 927                         db.execute("CREATE TABLE IF NOT EXISTS articles (id integer, feed_id integer, title text, link text, guid text, updated text, content text, tags text, unread text, marked text, added text, comments text)");
 928
 929                         db.execute("DELETE FROM cache WHERE id LIKE 'F:%' OR id LIKE 'C:%'");
 930
 931                         Element.show("restartOfflinePic");
 932
 933                 }
 934
 935                 cache_expire();
 936
 937         } catch (e) {
 938                 exception_error("init_gears", e);
 939         }
 940 }
 941
 942 function gotoOffline() {
 943         window.location.href = "tt-rss.php?offline=1";
 944 }
 945
 946 function gotoOnline() {
 947         window.location.href = "tt-rss.php";
 948 }
 949
 950 function local_collapse_cat(id) {
 951         try {
 952                 if (db) {
 953                         db.execute("UPDATE categories SET collapsed = NOT collapsed WHERE id = ?",
 954                                 [id]);
 955                 }
 956         } catch (e) {
 957                 exception_error("local_collapse_cat", e);
 958         }
 959 }
 960
 961 function get_local_category_title(id) {
 962         try {
 963                 var rs = db.execute("SELECT title FROM categories WHERE id = ?", [id]);
 964                 var tmp = "";
 965
 966                 if (rs.isValidRow()) {
 967                         tmp = rs.field(0);
 968                 }
 969
 970                 rs.close();
 971
 972                 return tmp;
 973
 974         } catch (e) {
 975                 exception_error("get_local_category_title", e);
 976         }
 977 }
 978
 979 function get_local_category_unread(id) {
 980         try {
 981                 var rs = db.execute("SELECT SUM(unread) FROM articles, feeds "+
 982                         "WHERE feeds.id = feed_id AND cat_id = ?",
 983                         [id]);
 984
 985                 var tmp = 0;
 986
 987                 if (rs.isValidRow()) {
 988                         tmp = rs.field(0);
 989                 }
 990
 991                 rs.close();
 992
 993                 return tmp;
 994
 995         } catch (e) {
 996                 exception_error("get_local_category_unread", e);
 997         }
 998 }
 999
1000 function printCategoryHeader(cat_id, hidden, can_browse) {
1001         try {
1002                 if (hidden == undefined) hidden = false;
1003                 if (can_browse == undefined) can_browse = false;
1004
1005                         var tmp_category = get_local_category_title(cat_id);
1006                         var tmp = "";
1007
1008                         var cat_unread = get_local_category_unread(cat_id);
1009
1010                         var holder_style = "";
1011                         var ellipsis = "";
1012
1013                         if (hidden) {
1014                                 holder_style = "display:none;";
1015                                 ellipsis = "…";
1016                         }
1017
1018                         var catctr_class = (cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
1019
1020                         var browse_cat_link = "";
1021                         var inner_title_class = "catTitleNL";
1022
1023                         if (can_browse) {
1024                                 browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
1025                                 inner_title_class = "catTitle";
1026                         }
1027
1028                         var cat_class = "feedCat";
1029
1030                         tmp += "<li class=\""+cat_class+"\" id=\"FCAT-"+cat_id+"\">"+
1031                                 "<img onclick=\"toggleCollapseCat("+cat_id+")\" class=\"catCollapse\""+
1032                                         " title=\""+__('Click to collapse category')+"\""+
1033                                         " src=\"images/cat-collapse.png\"><span class=\""+inner_title_class+"\" "+
1034                                         " id=\"FCATN-"+cat_id+"\" "+browse_cat_link+
1035                                 "\">"+tmp_category+"</span>";
1036
1037                         tmp += "<span id=\"FCAP-"+cat_id+"\">";
1038
1039                         tmp += " <span id=\"FCATCTR-"+cat_id+"\" "+
1040                                 "class=\""+catctr_class+"\">("+cat_unread+")</span> "+ellipsis;
1041
1042                         tmp += "</span>";
1043
1044                         tmp += "<ul class=\"feedCatList\" id=\"FCATLIST-"+cat_id+"\" "+
1045                                 "style='"+holder_style+"'>";
1046
1047                         return tmp;
1048         } catch (e) {
1049                 exception_error("printCategoryHeader", e);
1050         }
1051 }
1052
1053 function is_local_cat_collapsed(id) {
1054         try {
1055
1056                 var rs = db.execute("SELECT collapsed FROM categories WHERE id = ?", [id]);
1057                 var cat_hidden = 0;
1058
1059                 if (rs.isValidRow()) {
1060                         cat_hidden = rs.field(0);
1061                 }
1062
1063                 rs.close();
1064
1065                 return cat_hidden == "1";
1066
1067         } catch (e) {
1068                 exception_error("is_local_cat_collapsed", e);
1069         }
1070 }
1071
1072 function label_local_add_article(id, label_id) {
1073         try {
1074                 debug("label_local_add_article " + id + " => " + label_id);
1075
1076                 var rs = db.execute("SELECT COUNT(id) FROM article_labels WHERE "+
1077                         "id = ? AND label_id = ?", [id, label_id]);
1078                 var check = rs.field(0);
1079
1080                 if (rs.isValidRow()) {
1081                         var check = rs.field(0);
1082                 }
1083                 rs.close();
1084
1085                 if (check == 0) {
1086                         db.execute("INSERT INTO article_labels (id, label_id) VALUES "+
1087                                 "(?,?)", [id, label_id]);
1088                 }
1089
1090         } catch (e) {
1091                 exception_error("label_local_add_article", e);
1092         }
1093 }
1094
1095 function get_local_feed_title(id) {
1096         try {
1097
1098                 var feed_title = "Unknown feed: " + id;
1099
1100                 if (id > 0) {
1101                         var rs = db.execute("SELECT title FROM feeds WHERE id = ?", [id]);
1102
1103                         if (rs.isValidRow()) {
1104                                 feed_title = rs.field(0);
1105                         }
1106
1107                         rs.close();
1108                 } else if (id == -1) {
1109                         feed_title = __("Starred articles");
1110                 } else if (id == -4) {
1111                         feed_title = __("All articles");
1112                 } else if (id < -10) {
1113
1114                         var label_id = -11 - id;
1115
1116                         var rs = db.execute("SELECT caption FROM labels WHERE id = ?", [label_id]);
1117
1118                         if (rs.isValidRow()) {
1119                                 feed_title = rs.field(0);
1120                         }
1121
1122                         rs.close();
1123                 }
1124
1125                 return feed_title;
1126
1127         } catch (e) {
1128                 exception_error("get_local_feed_title", e);
1129         }
1130 }