tt-rss.js

   1 var xmlhttp = false;
   2 var total_unread = 0;
   3 var first_run = true;
   4 var display_tags = false;
   5 var global_unread = -1;
   6 var active_title_text = "";
   7 var current_subtitle = "";
   8 var daemon_enabled = false;
   9 var daemon_refresh_only = false;
  10 var _qfd_deleted_feed = 0;
  11 var firsttime_update = true;
  12 var last_refetch = 0;
  13 var cookie_lifetime = 0;
  14 var active_feed_id = 0;
  15 var active_feed_is_cat = false;
  16 var number_of_feeds = 0;
  17
  18 var xmlhttp = Ajax.getTransport();
  19 var xmlhttp_ctr = Ajax.getTransport();
  20
  21 var init_params = new Object();
  22
  23 var op_history = new Array();
  24
  25 function toggleTags() {
  26         display_tags = !display_tags;
  27
  28         var p = document.getElementById("dispSwitchPrompt");
  29
  30         if (display_tags) {
  31                 p.innerHTML = "display feeds";
  32         } else {
  33                 p.innerHTML = "display tags";
  34         }
  35
  36         notify("Loading, please wait...");
  37
  38         updateFeedList();
  39 }
  40
  41 function dlg_frefresh_callback() {
  42         if (xmlhttp.readyState == 4) {
  43 //              notify(xmlhttp.responseText);
  44
  45                 if (getActiveFeedId() == _qfd_deleted_feed) {
  46                         var h = document.getElementById("headlines-frame");
  47                         if (h) {
  48                                 h.innerHTML = "<div class='whiteBox'>No feed selected.</div>";
  49                         }
  50                 }
  51
  52                 setTimeout('updateFeedList(false, false)', 50);
  53                 closeInfoBox();
  54         }
  55 }
  56
  57 function refetch_callback() {
  58         if (xmlhttp_ctr.readyState == 4) {
  59                 try {
  60
  61                         var date = new Date();
  62
  63                         last_refetch = date.getTime() / 1000;
  64
  65                         parse_counters_reply(xmlhttp_ctr, true);
  66
  67                         debug("refetch_callback: done");
  68
  69                         if (!daemon_enabled && !daemon_refresh_only) {
  70                                 notify("All feeds updated.");
  71                                 updateTitle("");
  72                         } else {
  73                                 notify("");
  74                         }
  75                 } catch (e) {
  76                         exception_error("refetch_callback", e);
  77                         updateTitle("");
  78                 }
  79         }
  80 }
  81
  82 function backend_sanity_check_callback() {
  83
  84         if (xmlhttp.readyState == 4) {
  85
  86                 try {
  87
  88                         if (!xmlhttp.responseXML) {
  89                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
  90                                 return;
  91                         }
  92
  93                         var reply = xmlhttp.responseXML.firstChild.firstChild;
  94
  95                         if (!reply) {
  96                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
  97                                 return;
  98                         }
  99
 100                         var error_code = reply.getAttribute("error-code");
 101
 102                         if (error_code && error_code != 0) {
 103                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 104                         }
 105
 106                         debug("sanity check ok");
 107
 108                         var params = reply.nextSibling;
 109
 110                         if (params) {
 111                                 debug('reading init-params...');
 112                                 var param = params.firstChild;
 113
 114                                 while (param) {
 115                                         var k = param.getAttribute("key");
 116                                         var v = param.getAttribute("value");
 117                                         debug(k + " => " + v);
 118                                         init_params[k] = v;
 119                                         param = param.nextSibling;
 120                                 }
 121                         }
 122
 123                         init_second_stage();
 124
 125                 } catch (e) {
 126                         exception_error("backend_sanity_check_callback", e);
 127                 }
 128         }
 129 }
 130
 131 function scheduleFeedUpdate(force) {
 132
 133         if (!daemon_enabled && !daemon_refresh_only) {
 134                 notify("Updating feeds, please wait.", true);
 135                 updateTitle("Updating");
 136         }
 137
 138         var query_str = "backend.php?op=rpc&subop=";
 139
 140         if (force) {
 141                 query_str = query_str + "forceUpdateAllFeeds";
 142         } else {
 143                 query_str = query_str + "updateAllFeeds";
 144         }
 145
 146         var omode;
 147
 148         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 149                 firsttime_update = false;
 150                 omode = "T";
 151         } else {
 152                 if (display_tags) {
 153                         omode = "t";
 154                 } else {
 155                         omode = "flc";
 156                 }
 157         }
 158
 159         query_str = query_str + "&omode=" + omode;
 160         query_str = query_str + "&uctr=" + global_unread;
 161
 162         debug("in scheduleFeedUpdate");
 163
 164         var date = new Date();
 165
 166         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 167                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 168                 xmlhttp_ctr.abort();
 169         }
 170
 171         debug("REFETCH query: " + query_str);
 172
 173         if (xmlhttp_ready(xmlhttp_ctr)) {
 174                 xmlhttp_ctr.open("GET", query_str, true);
 175                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 176                 xmlhttp_ctr.send(null);
 177         } else {
 178                 debug("xmlhttp_ctr busy");
 179                 //printLockingError();
 180         }
 181 }
 182
 183 function updateFeedList(silent, fetch) {
 184
 185 //      if (silent != true) {
 186 //              notify("Loading feed list...");
 187 //      }
 188
 189         var query_str = "backend.php?op=feeds";
 190
 191         if (display_tags) {
 192                 query_str = query_str + "&tags=1";
 193         }
 194
 195         if (getActiveFeedId() && !activeFeedIsCat()) {
 196                 query_str = query_str + "&actid=" + getActiveFeedId();
 197         }
 198
 199         if (navigator.userAgent.match("Opera")) {
 200                 var date = new Date();
 201                 var timestamp = Math.round(date.getTime() / 1000);
 202                 query_str = query_str + "&ts=" + timestamp
 203         }
 204
 205         if (fetch) query_str = query_str + "&fetch=yes";
 206
 207 //      var feeds_frame = document.getElementById("feeds-frame");
 208 //      feeds_frame.src = query_str;
 209
 210         debug("updateFeedList Q=" + query_str);
 211
 212         if (xmlhttp_ready(xmlhttp)) {
 213                 xmlhttp.open("GET", query_str, true);
 214                 xmlhttp.onreadystatechange=feedlist_callback;
 215                 xmlhttp.send(null);
 216         } else {
 217                 debug("xmlhttp busy");
 218                 //printLockingError();
 219         }
 220
 221 }
 222
 223 function catchupAllFeeds() {
 224
 225         var query_str = "backend.php?op=feeds&subop=catchupAll";
 226
 227         notify("Marking all feeds as read...");
 228
 229         debug("catchupAllFeeds Q=" + query_str);
 230
 231         if (xmlhttp_ready(xmlhttp)) {
 232                 xmlhttp.open("GET", query_str, true);
 233                 xmlhttp.onreadystatechange=feedlist_callback;
 234                 xmlhttp.send(null);
 235         } else {
 236                 debug("xmlhttp busy");
 237                 //printLockingError();
 238         }
 239
 240         global_unread = 0;
 241         updateTitle("");
 242
 243 }
 244
 245 function viewCurrentFeed(subop) {
 246
 247 //      if (getActiveFeedId()) {
 248         if (getActiveFeedId() != undefined) {
 249                 viewfeed(getActiveFeedId(), subop);
 250         } else {
 251                 disableContainerChildren("headlinesToolbar", false, document);
 252 //              viewfeed(-1, subop); // FIXME
 253         }
 254         return false; // block unneeded form submits
 255 }
 256
 257 function viewfeed(feed, subop) {
 258         var f = window.frames["feeds-frame"];
 259         f.viewfeed(feed, subop);
 260 }
 261
 262 function timeout() {
 263         scheduleFeedUpdate(false);
 264
 265         var refresh_time = getInitParam("feeds_frame_refresh");
 266
 267         if (!refresh_time) refresh_time = 600;
 268
 269         setTimeout("timeout()", refresh_time*1000);
 270 }
 271
 272 function resetSearch() {
 273         var searchbox = document.getElementById("searchbox")
 274
 275         if (searchbox.value != "" && getActiveFeedId()) {
 276                 searchbox.value = "";
 277                 viewfeed(getActiveFeedId(), "");
 278         }
 279 }
 280
 281 function searchCancel() {
 282         closeInfoBox(true);
 283 }
 284
 285 function search() {
 286         closeInfoBox();
 287         viewCurrentFeed(0, "");
 288 }
 289
 290 function localPiggieFunction(enable) {
 291         if (enable) {
 292                 var query_str = "backend.php?op=feeds&subop=piggie";
 293
 294                 if (xmlhttp_ready(xmlhttp)) {
 295
 296                         xmlhttp.open("GET", query_str, true);
 297                         xmlhttp.onreadystatechange=feedlist_callback;
 298                         xmlhttp.send(null);
 299                 }
 300         }
 301 }
 302
 303 // if argument is undefined, current subtitle is not updated
 304 // use blank string to clear subtitle
 305 function updateTitle(s) {
 306         var tmp = "Tiny Tiny RSS";
 307
 308         if (s != undefined) {
 309                 current_subtitle = s;
 310         }
 311
 312         if (global_unread > 0) {
 313                 tmp = tmp + " (" + global_unread + ")";
 314         }
 315
 316         if (current_subtitle) {
 317                 tmp = tmp + " - " + current_subtitle;
 318         }
 319
 320         if (active_title_text.length > 0) {
 321                 tmp = tmp + " > " + active_title_text;
 322         }
 323
 324         document.title = tmp;
 325 }
 326
 327 function genericSanityCheck() {
 328
 329         if (!xmlhttp) fatalError(1);
 330
 331         setCookie("ttrss_vf_test", "TEST");
 332
 333         if (getCookie("ttrss_vf_test") != "TEST") {
 334                 fatalError(2);
 335         }
 336
 337         return true;
 338 }
 339
 340 function init() {
 341
 342         try {
 343
 344                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 345
 346                 if (arguments.callee.done) return;
 347                 arguments.callee.done = true;
 348
 349                 disableContainerChildren("headlinesToolbar", true);
 350
 351                 Form.disable("main_toolbar_form");
 352
 353                 if (!genericSanityCheck())
 354                         return;
 355
 356                 if (getURLParam('debug')) {
 357                         document.getElementById('debug_output').style.display = 'block';
 358                         debug('debug mode activated');
 359                 }
 360
 361                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 362                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 363                 xmlhttp.send(null);
 364
 365         } catch (e) {
 366                 exception_error("init", e);
 367         }
 368 }
 369
 370 function init_second_stage() {
 371
 372         try {
 373
 374                 cookie_lifetime = getCookie("ttrss_cltime");
 375
 376                 delCookie("ttrss_vf_test");
 377
 378                 document.onkeydown = hotkey_handler;
 379
 380                 var tb = parent.document.forms["main_toolbar_form"];
 381
 382 //              dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 383 //              dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 384
 385                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 386                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 387
 388                 setTimeout('updateFeedList(false, false)', 50);
 389
 390                 debug("second stage ok");
 391
 392         } catch (e) {
 393                 exception_error("init_second_stage", e);
 394         }
 395 }
 396
 397 function quickMenuChange() {
 398         var chooser = document.getElementById("quickMenuChooser");
 399         var opid = chooser[chooser.selectedIndex].value;
 400
 401         chooser.selectedIndex = 0;
 402         quickMenuGo(opid);
 403 }
 404
 405 function quickMenuGo(opid) {
 406         try {
 407
 408                 if (opid == "qmcPrefs") {
 409                         gotoPreferences();
 410                 }
 411
 412                 if (opid == "qmcSearch") {
 413                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 414                         return;
 415                 }
 416
 417                 if (opid == "qmcAddFeed") {
 418                         displayDlg("quickAddFeed");
 419                         return;
 420                 }
 421
 422                 if (opid == "qmcEditFeed") {
 423                         editFeedDlg(getActiveFeedId());
 424                 }
 425
 426                 if (opid == "qmcRemoveFeed") {
 427                         var actid = getActiveFeedId();
 428
 429                         if (!actid || activeFeedIsCat()) {
 430                                 alert("Please select some feed first.");
 431                                 return;
 432                         }
 433
 434                         var fn = getFeedName(actid);
 435
 436                         if (confirm("Unsubscribe from " + fn + "?")) {
 437                                 qfdDelete(actid);
 438                         }
 439
 440                         return;
 441                 }
 442
 443                 if (opid == "qmcUpdateFeeds") {
 444                         scheduleFeedUpdate(true);
 445                         return;
 446                 }
 447
 448                 if (opid == "qmcCatchupAll") {
 449                         catchupAllFeeds();
 450                         return;
 451                 }
 452
 453                 if (opid == "qmcShowOnlyUnread") {
 454                         toggleDispRead();
 455                         return;
 456                 }
 457
 458                 if (opid == "qmcAddFilter") {
 459                         displayDlg("quickAddFilter", getActiveFeedId());
 460                 }
 461         } catch (e) {
 462                 exception_error("quickMenuGo", e);
 463         }
 464 }
 465
 466 function qfdDelete(feed_id) {
 467
 468         notify("Removing feed...");
 469
 470         if (!xmlhttp_ready(xmlhttp)) {
 471                 printLockingError();
 472                 return
 473         }
 474
 475         _qfd_deleted_feed = feed_id;
 476
 477         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 478         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 479         xmlhttp.send(null);
 480
 481         return false;
 482 }
 483
 484
 485 function updateFeedTitle(t) {
 486         active_title_text = t;
 487         updateTitle();
 488 }
 489
 490 function toggleDispRead() {
 491         try {
 492
 493                 if (!xmlhttp_ready(xmlhttp)) {
 494                         printLockingError();
 495                         return
 496                 }
 497
 498                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 499
 500                 hide_read_feeds = !hide_read_feeds;
 501
 502                 debug("toggle_disp_read => " + hide_read_feeds);
 503
 504                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 505
 506                 var query = "backend.php?op=rpc&subop=setpref" +
 507                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 508
 509                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 510
 511                 new Ajax.Request(query);
 512
 513         } catch (e) {
 514                 exception_error("toggleDispRead", e);
 515         }
 516 }
 517
 518 function parse_runtime_info(elem) {
 519         if (!elem) {
 520                 debug("parse_runtime_info: elem is null, aborting");
 521                 return;
 522         }
 523
 524         var param = elem.firstChild;
 525
 526         debug("parse_runtime_info: " + param);
 527
 528         while (param) {
 529                 var k = param.getAttribute("key");
 530                 var v = param.getAttribute("value");
 531
 532                 debug("RI: " + k + " => " + v);
 533
 534                 var w = document.getElementById("noDaemonWarning");
 535
 536                 if (w) {
 537                         if (k == "daemon_is_running" && v != 1) {
 538                                 w.style.display = "block";
 539                         } else {
 540                                 w.style.display = "none";
 541                         }
 542                 }
 543                 param = param.nextSibling;
 544         }
 545 }
 546
 547 function catchupCurrentFeed() {
 548
 549         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 550
 551         var str = "Mark all articles in " + fn + " as read?";
 552
 553 /*      if (active_feed_is_cat) {
 554                 str = "Mark all articles in this category as read?";
 555         } */
 556
 557         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 558                 return viewCurrentFeed('MarkAllRead')
 559         }
 560 }
 561
 562 function userSwitch() {
 563         var chooser = document.getElementById("userSwitch");
 564         var user = chooser[chooser.selectedIndex].value;
 565         window.location = "tt-rss.php?swu=" + user;
 566 }
 567
 568 function editFeedDlg(feed) {
 569
 570         disableHotkeys();
 571
 572         if (!feed) {
 573                 alert("Please select some feed first.");
 574                 return;
 575         }
 576
 577         if (xmlhttp_ready(xmlhttp)) {
 578                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 579                         param_escape(feed), true);
 580                 xmlhttp.onreadystatechange=infobox_callback;
 581                 xmlhttp.send(null);
 582         } else {
 583                 printLockingError();
 584         }
 585 }
 586
 587 /* this functions duplicate those of prefs.js feed editor, with
 588         some differences because there is no feedlist */
 589
 590 function feedEditCancel() {
 591         closeInfoBox();
 592         return false;
 593 }
 594
 595 function feedEditSave() {
 596
 597         try {
 598
 599                 if (!xmlhttp_ready(xmlhttp)) {
 600                         printLockingError();
 601                         return
 602                 }
 603
 604                 // FIXME: add parameter validation
 605
 606                 var query = Form.serialize("edit_feed_form");
 607
 608                 notify("Saving feed...");
 609
 610                 xmlhttp.open("POST", "backend.php", true);
 611                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 612                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 613                 xmlhttp.send(query);
 614
 615                 closeInfoBox();
 616
 617                 return false;
 618
 619         } catch (e) {
 620                 exception_error("feedEditSave (main)", e);
 621         }
 622 }
 623
 624 function localHotkeyHandler(e) {
 625
 626         var keycode;
 627
 628         if (window.event) {
 629                 keycode = window.event.keyCode;
 630         } else if (e) {
 631                 keycode = e.which;
 632         }
 633
 634         var shift_key = false;
 635
 636         try {
 637                 shift_key = e.shiftKey;
 638         } catch (e) { }
 639
 640         if (keycode == 66 && shift_key) { // shift-B
 641
 642                 var op = history_pop();
 643
 644                 if (op) {
 645                         var op_s = op.split(":");
 646
 647                         var i;
 648                         for (i = 0; i < op_s.length; i++) {
 649                                 if (op_s[i] == 'undefined') {
 650                                         op_s[i] = undefined;
 651                                 }
 652
 653                                 if (op_s[i] == 'false') {
 654                                         op_s[i] = false;
 655                                 }
 656
 657                                 if (op_s[i] == 'true') {
 658                                         op_s[i] = true;
 659                                 }
 660
 661                         }
 662
 663                         debug("history split: " + op_s);
 664
 665                         if (op_s[0] == "ARTICLE") {
 666                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 667                                 view(op_s[1], op_s[2], true);
 668                         }
 669
 670                         if (op_s[0] == "FEED") {
 671                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 672                         }
 673
 674                 } else {
 675                         notify("No operation to undo");
 676                 }
 677
 678                 return false;
 679
 680         }
 681
 682         debug("LKP=" + keycode);
 683 }
 684
 685 function history_push(op) {
 686         debug("history_push: " + op);
 687         op_history.push(op);
 688
 689         while (op_history.length > 30) {
 690                 op_history.shift();
 691         }
 692 }
 693
 694 function history_pop() {
 695         var op = op_history.pop();
 696         debug("history_pop: " + op);
 697         return op;
 698 }
 699
 700 function history_clear() {
 701         debug("history_clear");
 702         op_history.clear();
 703 }