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 var sanity_check_done = false;
  18
  19 var xmlhttp = Ajax.getTransport();
  20 var xmlhttp_ctr = Ajax.getTransport();
  21
  22 var init_params = new Object();
  23
  24 //var op_history = new Array();
  25
  26 function tagsAreDisplayed() {
  27         return display_tags;
  28 }
  29
  30 function toggleTags(show_all) {
  31
  32         var p = document.getElementById("dispSwitchPrompt");
  33
  34         if (!show_all && !display_tags) {
  35                 displayDlg("printTagCloud");
  36         } else if (show_all) {
  37                 closeInfoBox();
  38                 display_tags = true;
  39                 p.innerHTML = __("display feeds");
  40                 notify_progress("Loading, please wait...");
  41                 updateFeedList();
  42         } else if (display_tags) {
  43                 display_tags = false;
  44                 p.innerHTML = __("tag cloud");
  45                 notify_progress("Loading, please wait...");
  46                 updateFeedList();
  47         }
  48
  49         return false;
  50 }
  51
  52 function dlg_frefresh_callback() {
  53         if (xmlhttp.readyState == 4) {
  54 //              notify(xmlhttp.responseText);
  55
  56                 if (getActiveFeedId() == _qfd_deleted_feed) {
  57                         var h = document.getElementById("headlines-frame");
  58                         if (h) {
  59                                 h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  60                         }
  61                 }
  62
  63                 setTimeout('updateFeedList(false, false)', 50);
  64                 closeInfoBox();
  65         }
  66 }
  67
  68 function refetch_callback() {
  69         if (xmlhttp_ctr.readyState == 4) {
  70                 try {
  71
  72                         var date = new Date();
  73
  74                         last_refetch = date.getTime() / 1000;
  75
  76                         parse_counters_reply(xmlhttp_ctr, true);
  77
  78                         debug("refetch_callback: done");
  79
  80                         if (!daemon_enabled && !daemon_refresh_only) {
  81                                 notify_info("All feeds updated.");
  82                                 updateTitle("");
  83                         } else {
  84                                 //notify("");
  85                         }
  86                 } catch (e) {
  87                         exception_error("refetch_callback", e);
  88                         updateTitle("");
  89                 }
  90         }
  91 }
  92
  93 function backend_sanity_check_callback() {
  94
  95         if (xmlhttp.readyState == 4) {
  96
  97                 try {
  98
  99                         if (sanity_check_done) {
 100                                 fatalError(11, "Sanity check request received twice. This can indicate "+
 101                               "presence of Firebug or some other disrupting extension. "+
 102                                         "Please disable it and try again.");
 103                                 return;
 104                         }
 105
 106                         if (!xmlhttp.responseXML) {
 107                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 108                                 return;
 109                         }
 110
 111                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 112
 113                         if (!reply) {
 114                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 115                                 return;
 116                         }
 117
 118                         var error_code = reply.getAttribute("error-code");
 119
 120                         if (error_code && error_code != 0) {
 121                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 122                         }
 123
 124                         debug("sanity check ok");
 125
 126                         var params = reply.nextSibling;
 127
 128                         if (params) {
 129                                 debug('reading init-params...');
 130                                 var param = params.firstChild;
 131
 132                                 while (param) {
 133                                         var k = param.getAttribute("key");
 134                                         var v = param.getAttribute("value");
 135                                         debug(k + " => " + v);
 136                                         init_params[k] = v;
 137                                         param = param.nextSibling;
 138                                 }
 139                         }
 140
 141                         sanity_check_done = true;
 142
 143                         init_second_stage();
 144
 145                 } catch (e) {
 146                         exception_error("backend_sanity_check_callback", e);
 147                 }
 148         }
 149 }
 150
 151 function scheduleFeedUpdate(force) {
 152
 153         if (!daemon_enabled && !daemon_refresh_only) {
 154                 notify_progress("Updating feeds, please wait.", true);
 155                 updateTitle("Updating");
 156         }
 157
 158         var query_str = "backend.php?op=rpc&subop=";
 159
 160         if (force) {
 161                 query_str = query_str + "forceUpdateAllFeeds";
 162         } else {
 163                 query_str = query_str + "updateAllFeeds";
 164         }
 165
 166         var omode;
 167
 168         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 169                 firsttime_update = false;
 170                 omode = "T";
 171         } else {
 172                 if (display_tags) {
 173                         omode = "tl";
 174                 } else {
 175                         omode = "flc";
 176                 }
 177         }
 178
 179         query_str = query_str + "&omode=" + omode;
 180         query_str = query_str + "&uctr=" + global_unread;
 181
 182         debug("in scheduleFeedUpdate");
 183
 184         var date = new Date();
 185
 186         var timestamp = Math.round(date.getTime() / 1000);
 187         query_str = query_str + "&ts=" + timestamp
 188
 189         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 190                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 191                 xmlhttp_ctr.abort();
 192         }
 193
 194         debug("REFETCH query: " + query_str);
 195
 196         if (xmlhttp_ready(xmlhttp_ctr)) {
 197                 xmlhttp_ctr.open("GET", query_str, true);
 198                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 199                 xmlhttp_ctr.send(null);
 200         } else {
 201                 debug("xmlhttp_ctr busy");
 202                 //printLockingError();
 203         }
 204 }
 205
 206 function updateFeedList(silent, fetch) {
 207
 208 //      if (silent != true) {
 209 //              notify("Loading feed list...");
 210 //      }
 211
 212         debug("<b>updateFeedList</b>");
 213
 214         var query_str = "backend.php?op=feeds";
 215
 216         if (display_tags) {
 217                 query_str = query_str + "&tags=1";
 218         }
 219
 220         if (getActiveFeedId() && !activeFeedIsCat()) {
 221                 query_str = query_str + "&actid=" + getActiveFeedId();
 222         }
 223
 224         var date = new Date();
 225         var timestamp = Math.round(date.getTime() / 1000);
 226         query_str = query_str + "&ts=" + timestamp
 227
 228         if (fetch) query_str = query_str + "&fetch=yes";
 229
 230 //      var feeds_frame = document.getElementById("feeds-frame");
 231 //      feeds_frame.src = query_str;
 232
 233         debug("updateFeedList Q=" + query_str);
 234
 235         if (xmlhttp_ready(xmlhttp)) {
 236                 xmlhttp.open("GET", query_str, true);
 237                 xmlhttp.onreadystatechange=feedlist_callback;
 238                 xmlhttp.send(null);
 239         } else {
 240                 debug("xmlhttp busy");
 241                 //printLockingError();
 242         }
 243
 244 }
 245
 246 function catchupAllFeeds() {
 247
 248         var query_str = "backend.php?op=feeds&subop=catchupAll";
 249
 250         notify_progress("Marking all feeds as read...");
 251
 252         debug("catchupAllFeeds Q=" + query_str);
 253
 254         if (xmlhttp_ready(xmlhttp)) {
 255                 xmlhttp.open("GET", query_str, true);
 256                 xmlhttp.onreadystatechange=feedlist_callback;
 257                 xmlhttp.send(null);
 258         } else {
 259                 debug("xmlhttp busy");
 260                 //printLockingError();
 261         }
 262
 263         global_unread = 0;
 264         updateTitle("");
 265
 266 }
 267
 268 function viewCurrentFeed(subop) {
 269
 270 //      if (getActiveFeedId()) {
 271         if (getActiveFeedId() != undefined) {
 272                 viewfeed(getActiveFeedId(), subop);
 273         } else {
 274                 disableContainerChildren("headlinesToolbar", false, document);
 275 //              viewfeed(-1, subop); // FIXME
 276         }
 277         return false; // block unneeded form submits
 278 }
 279
 280 function viewfeed(feed, subop) {
 281         var f = window.frames["feeds-frame"];
 282         f.viewfeed(feed, subop);
 283 }
 284
 285 function timeout() {
 286         scheduleFeedUpdate(false);
 287
 288         var refresh_time = getInitParam("feeds_frame_refresh");
 289
 290         if (!refresh_time) refresh_time = 600;
 291
 292         setTimeout("timeout()", refresh_time*1000);
 293 }
 294
 295 function resetSearch() {
 296         var searchbox = document.getElementById("searchbox")
 297
 298         if (searchbox.value != "" && getActiveFeedId()) {
 299                 searchbox.value = "";
 300                 viewfeed(getActiveFeedId(), "");
 301         }
 302 }
 303
 304 function searchCancel() {
 305         closeInfoBox(true);
 306 }
 307
 308 function search() {
 309         closeInfoBox();
 310         viewCurrentFeed(0, "");
 311 }
 312
 313 function localPiggieFunction(enable) {
 314         if (enable) {
 315                 var query_str = "backend.php?op=feeds&subop=piggie";
 316
 317                 if (xmlhttp_ready(xmlhttp)) {
 318
 319                         xmlhttp.open("GET", query_str, true);
 320                         xmlhttp.onreadystatechange=feedlist_callback;
 321                         xmlhttp.send(null);
 322                 }
 323         }
 324 }
 325
 326 // if argument is undefined, current subtitle is not updated
 327 // use blank string to clear subtitle
 328 function updateTitle(s) {
 329         var tmp = "Tiny Tiny RSS";
 330
 331         if (s != undefined) {
 332                 current_subtitle = s;
 333         }
 334
 335         if (global_unread > 0) {
 336                 tmp = tmp + " (" + global_unread + ")";
 337         }
 338
 339         if (current_subtitle) {
 340                 tmp = tmp + " - " + current_subtitle;
 341         }
 342
 343         if (active_title_text.length > 0) {
 344                 tmp = tmp + " > " + active_title_text;
 345         }
 346
 347         document.title = tmp;
 348 }
 349
 350 function genericSanityCheck() {
 351
 352         if (!xmlhttp) fatalError(1);
 353
 354         setCookie("ttrss_vf_test", "TEST");
 355
 356         if (getCookie("ttrss_vf_test") != "TEST") {
 357                 fatalError(2);
 358         }
 359
 360         return true;
 361 }
 362
 363 function init() {
 364
 365         try {
 366
 367                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 368
 369                 if (arguments.callee.done) return;
 370                 arguments.callee.done = true;
 371
 372                 disableContainerChildren("headlinesToolbar", true);
 373
 374                 Form.disable("main_toolbar_form");
 375
 376                 if (!genericSanityCheck())
 377                         return;
 378
 379                 if (getURLParam('debug')) {
 380                         document.getElementById('debug_output').style.display = 'block';
 381                         debug('debug mode activated');
 382                 }
 383
 384                 var params = "&ua=" + param_escape(navigator.userAgent);
 385
 386                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 387                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 388                 xmlhttp.send(null);
 389
 390         } catch (e) {
 391                 exception_error("init", e);
 392         }
 393 }
 394
 395 function resize_headlines() {
 396
 397         var h_frame = document.getElementById("headlines-frame");
 398         var c_frame = document.getElementById("content-frame");
 399         var f_frame = document.getElementById("footer");
 400
 401         if (!c_frame || !h_frame) return;
 402
 403         debug("resize_headlines");
 404
 405         if (!is_msie()) {
 406                 h_frame.style.height = 30 + "%";
 407                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 408                 h_frame.style.height = h_frame.offsetHeight + "px";
 409         } else {
 410                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 411                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 412
 413                 var c_bottom = document.documentElement.clientHeight;
 414
 415                 if (f_frame) {
 416                         c_bottom = f_frame.offsetTop;
 417                 }
 418
 419                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 420                         h_frame.offsetHeight + 1) + "px";
 421                 h_frame.style.height = h_frame.offsetHeight + "px";
 422
 423         }
 424 }
 425
 426 function init_second_stage() {
 427
 428         try {
 429
 430                 cookie_lifetime = getCookie("ttrss_cltime");
 431
 432                 delCookie("ttrss_vf_test");
 433
 434 //              document.onresize = resize_headlines;
 435                 resize_headlines();
 436
 437                 var toolbar = document.forms["main_toolbar_form"];
 438
 439                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 440                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 441
 442                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 443                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 444
 445                 setTimeout('updateFeedList(false, false)', 50);
 446
 447                 debug("second stage ok");
 448
 449         } catch (e) {
 450                 exception_error("init_second_stage", e);
 451         }
 452 }
 453
 454 function quickMenuChange() {
 455         var chooser = document.getElementById("quickMenuChooser");
 456         var opid = chooser[chooser.selectedIndex].value;
 457
 458         chooser.selectedIndex = 0;
 459         quickMenuGo(opid);
 460 }
 461
 462 function quickMenuGo(opid) {
 463         try {
 464
 465                 if (opid == "qmcPrefs") {
 466                         gotoPreferences();
 467                 }
 468
 469                 if (opid == "qmcSearch") {
 470                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 471                         return;
 472                 }
 473
 474                 if (opid == "qmcAddFeed") {
 475                         displayDlg("quickAddFeed");
 476                         return;
 477                 }
 478
 479                 if (opid == "qmcEditFeed") {
 480                         editFeedDlg(getActiveFeedId());
 481                 }
 482
 483                 if (opid == "qmcRemoveFeed") {
 484                         var actid = getActiveFeedId();
 485
 486                         if (activeFeedIsCat()) {
 487                                 alert("You can't unsubscribe from the category.");
 488                                 return;
 489                         }
 490
 491                         if (!actid) {
 492                                 alert("Please select some feed first.");
 493                                 return;
 494                         }
 495
 496                         var fn = getFeedName(actid);
 497
 498                         if (confirm("Unsubscribe from " + fn + "?")) {
 499                                 qfdDelete(actid);
 500                         }
 501
 502                         return;
 503                 }
 504
 505                 if (opid == "qmcUpdateFeeds") {
 506                         scheduleFeedUpdate(true);
 507                         return;
 508                 }
 509
 510                 if (opid == "qmcCatchupAll") {
 511                         catchupAllFeeds();
 512                         return;
 513                 }
 514
 515                 if (opid == "qmcShowOnlyUnread") {
 516                         toggleDispRead();
 517                         return;
 518                 }
 519
 520                 if (opid == "qmcAddFilter") {
 521                         displayDlg("quickAddFilter", getActiveFeedId());
 522                 }
 523
 524         } catch (e) {
 525                 exception_error("quickMenuGo", e);
 526         }
 527 }
 528
 529 function qfdDelete(feed_id) {
 530
 531         notify_progress("Removing feed...");
 532
 533         if (!xmlhttp_ready(xmlhttp)) {
 534                 printLockingError();
 535                 return
 536         }
 537
 538         _qfd_deleted_feed = feed_id;
 539
 540         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 541         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 542         xmlhttp.send(null);
 543
 544         return false;
 545 }
 546
 547
 548 function updateFeedTitle(t) {
 549         active_title_text = t;
 550         updateTitle();
 551 }
 552
 553 function toggleDispRead() {
 554         try {
 555
 556                 if (!xmlhttp_ready(xmlhttp)) {
 557                         printLockingError();
 558                         return
 559                 }
 560
 561                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 562
 563                 hide_read_feeds = !hide_read_feeds;
 564
 565                 debug("toggle_disp_read => " + hide_read_feeds);
 566
 567                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 568
 569                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 570
 571 /*              var query = "backend.php?op=rpc&subop=setpref" +
 572                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 573
 574                 new Ajax.Request(query); */
 575
 576         } catch (e) {
 577                 exception_error("toggleDispRead", e);
 578         }
 579 }
 580
 581 function parse_runtime_info(elem) {
 582         if (!elem) {
 583                 debug("parse_runtime_info: elem is null, aborting");
 584                 return;
 585         }
 586
 587         var param = elem.firstChild;
 588
 589         debug("parse_runtime_info: " + param);
 590
 591         while (param) {
 592                 var k = param.getAttribute("key");
 593                 var v = param.getAttribute("value");
 594
 595                 debug("RI: " + k + " => " + v);
 596
 597                 if (k == "new_version_available") {
 598                         var icon = document.getElementById("newVersionIcon");
 599                         if (icon) {
 600                                 if (v == "1") {
 601                                         icon.style.display = "inline";
 602                                 } else {
 603                                         icon.style.display = "none";
 604                                 }
 605                         }
 606                 }
 607
 608                 if (k == "daemon_is_running" && v != 1) {
 609                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not runing.</span>");
 610                 }
 611
 612 /*              var w = document.getElementById("noDaemonWarning");
 613
 614                 if (w) {
 615                         if (k == "daemon_is_running" && v != 1) {
 616                                 w.style.display = "block";
 617                         } else {
 618                                 w.style.display = "none";
 619                         }
 620                 } */
 621                 param = param.nextSibling;
 622         }
 623 }
 624
 625 function catchupCurrentFeed() {
 626
 627         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 628
 629         var str = "Mark all articles in " + fn + " as read?";
 630
 631 /*      if (active_feed_is_cat) {
 632                 str = "Mark all articles in this category as read?";
 633         } */
 634
 635         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 636                 return viewCurrentFeed('MarkAllRead')
 637         }
 638 }
 639
 640 function userSwitch() {
 641         var chooser = document.getElementById("userSwitch");
 642         var user = chooser[chooser.selectedIndex].value;
 643         window.location = "tt-rss.php?swu=" + user;
 644 }
 645
 646 function editFeedDlg(feed) {
 647
 648         disableHotkeys();
 649
 650         if (!feed) {
 651                 alert("Please select some feed first.");
 652                 return;
 653         }
 654
 655         if (feed <= 0 || activeFeedIsCat() || tagsAreDisplayed()) {
 656                 alert("You can't edit this kind of feed.");
 657                 return;
 658         }
 659
 660         if (xmlhttp_ready(xmlhttp)) {
 661                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 662                         param_escape(feed), true);
 663                 xmlhttp.onreadystatechange=infobox_callback;
 664                 xmlhttp.send(null);
 665         } else {
 666                 printLockingError();
 667         }
 668 }
 669
 670 /* this functions duplicate those of prefs.js feed editor, with
 671         some differences because there is no feedlist */
 672
 673 function feedEditCancel() {
 674         closeInfoBox();
 675         return false;
 676 }
 677
 678 function feedEditSave() {
 679
 680         try {
 681
 682                 if (!xmlhttp_ready(xmlhttp)) {
 683                         printLockingError();
 684                         return
 685                 }
 686
 687                 // FIXME: add parameter validation
 688
 689                 var query = Form.serialize("edit_feed_form");
 690
 691                 notify_progress("Saving feed...");
 692
 693                 xmlhttp.open("POST", "backend.php", true);
 694                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 695                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 696                 xmlhttp.send(query);
 697
 698                 closeInfoBox();
 699
 700                 return false;
 701
 702         } catch (e) {
 703                 exception_error("feedEditSave (main)", e);
 704         }
 705 }
 706 /*
 707 function localHotkeyHandler(e) {
 708
 709         var keycode;
 710
 711         if (window.event) {
 712                 keycode = window.event.keyCode;
 713         } else if (e) {
 714                 keycode = e.which;
 715         }
 716
 717         var shift_key = false;
 718
 719         try {
 720                 shift_key = e.shiftKey;
 721         } catch (e) { }
 722
 723         if (keycode == 66 && shift_key) { // shift-B
 724
 725                 var op = history_pop();
 726
 727                 if (op) {
 728                         var op_s = op.split(":");
 729
 730                         var i;
 731                         for (i = 0; i < op_s.length; i++) {
 732                                 if (op_s[i] == 'undefined') {
 733                                         op_s[i] = undefined;
 734                                 }
 735
 736                                 if (op_s[i] == 'false') {
 737                                         op_s[i] = false;
 738                                 }
 739
 740                                 if (op_s[i] == 'true') {
 741                                         op_s[i] = true;
 742                                 }
 743
 744                         }
 745
 746                         debug("history split: " + op_s);
 747
 748                         if (op_s[0] == "ARTICLE") {
 749                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 750                                 view(op_s[1], op_s[2], true);
 751                         }
 752
 753                         if (op_s[0] == "FEED") {
 754                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 755                         }
 756
 757                 } else {
 758                         notify_error("No operation to undo");
 759                 }
 760
 761                 return false;
 762
 763         }
 764
 765         debug("LKP=" + keycode);
 766 }
 767
 768 function history_push(op) {
 769         debug("history_push: " + op);
 770         op_history.push(op);
 771
 772         while (op_history.length > 30) {
 773                 op_history.shift();
 774         }
 775 }
 776
 777 function history_pop() {
 778         var op = op_history.pop();
 779         debug("history_pop: " + op);
 780         return op;
 781 }
 782
 783 function history_clear() {
 784         debug("history_clear");
 785         op_history.clear();
 786 } */