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...", true);
  41                 updateFeedList();
  42         } else if (display_tags) {
  43                 display_tags = false;
  44                 p.innerHTML = __("tag cloud");
  45                 notify_progress("Loading, please wait...", true);
  46                 updateFeedList();
  47         }
  48 }
  49
  50 function dlg_frefresh_callback() {
  51         if (xmlhttp.readyState == 4) {
  52 //              notify(xmlhttp.responseText);
  53
  54                 if (getActiveFeedId() == _qfd_deleted_feed) {
  55                         var h = document.getElementById("headlines-frame");
  56                         if (h) {
  57                                 h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  58                         }
  59                 }
  60
  61                 setTimeout('updateFeedList(false, false)', 50);
  62                 closeInfoBox();
  63         }
  64 }
  65
  66 function refetch_callback() {
  67         if (xmlhttp_ctr.readyState == 4) {
  68                 try {
  69
  70                         var date = new Date();
  71
  72                         last_refetch = date.getTime() / 1000;
  73
  74                         parse_counters_reply(xmlhttp_ctr, true);
  75
  76                         debug("refetch_callback: done");
  77
  78                         if (!daemon_enabled && !daemon_refresh_only) {
  79                                 notify_info("All feeds updated.");
  80                                 updateTitle("");
  81                         } else {
  82                                 //notify("");
  83                         }
  84                 } catch (e) {
  85                         exception_error("refetch_callback", e);
  86                         updateTitle("");
  87                 }
  88         }
  89 }
  90
  91 function backend_sanity_check_callback() {
  92
  93         if (xmlhttp.readyState == 4) {
  94
  95                 try {
  96
  97                         if (sanity_check_done) {
  98                                 fatalError(11, "Sanity check request received twice. This can indicate "+
  99                               "presence of Firebug or some other disrupting extension. "+
 100                                         "Please disable it and try again.");
 101                                 return;
 102                         }
 103
 104                         if (!xmlhttp.responseXML) {
 105                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 106                                 return;
 107                         }
 108
 109                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 110
 111                         if (!reply) {
 112                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 113                                 return;
 114                         }
 115
 116                         var error_code = reply.getAttribute("error-code");
 117
 118                         if (error_code && error_code != 0) {
 119                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 120                         }
 121
 122                         debug("sanity check ok");
 123
 124                         var params = reply.nextSibling;
 125
 126                         if (params) {
 127                                 debug('reading init-params...');
 128                                 var param = params.firstChild;
 129
 130                                 while (param) {
 131                                         var k = param.getAttribute("key");
 132                                         var v = param.getAttribute("value");
 133                                         debug(k + " => " + v);
 134                                         init_params[k] = v;
 135                                         param = param.nextSibling;
 136                                 }
 137                         }
 138
 139                         sanity_check_done = true;
 140
 141                         init_second_stage();
 142
 143                 } catch (e) {
 144                         exception_error("backend_sanity_check_callback", e);
 145                 }
 146         }
 147 }
 148
 149 function scheduleFeedUpdate(force) {
 150
 151         if (!daemon_enabled && !daemon_refresh_only) {
 152                 notify_progress("Updating feeds, please wait.", true);
 153                 updateTitle("Updating");
 154         }
 155
 156         var query_str = "backend.php?op=rpc&subop=";
 157
 158         if (force) {
 159                 query_str = query_str + "forceUpdateAllFeeds";
 160         } else {
 161                 query_str = query_str + "updateAllFeeds";
 162         }
 163
 164         var omode;
 165
 166         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 167                 firsttime_update = false;
 168                 omode = "T";
 169         } else {
 170                 if (display_tags) {
 171                         omode = "tl";
 172                 } else {
 173                         omode = "flc";
 174                 }
 175         }
 176
 177         query_str = query_str + "&omode=" + omode;
 178         query_str = query_str + "&uctr=" + global_unread;
 179
 180         debug("in scheduleFeedUpdate");
 181
 182         var date = new Date();
 183
 184         var timestamp = Math.round(date.getTime() / 1000);
 185         query_str = query_str + "&ts=" + timestamp
 186
 187         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 188                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 189                 xmlhttp_ctr.abort();
 190                 if (is_safari()) {
 191                         xmlhttp_ctr = Ajax.getTransport();
 192                 }
 193         }
 194
 195         debug("REFETCH query: " + query_str);
 196
 197         if (xmlhttp_ready(xmlhttp_ctr)) {
 198                 xmlhttp_ctr.open("GET", query_str, true);
 199                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 200                 xmlhttp_ctr.send(null);
 201         } else {
 202                 debug("xmlhttp_ctr busy");
 203                 //printLockingError();
 204         }
 205 }
 206
 207 function updateFeedList(silent, fetch) {
 208
 209 //      if (silent != true) {
 210 //              notify("Loading feed list...");
 211 //      }
 212
 213         debug("<b>updateFeedList</b>");
 214
 215         var query_str = "backend.php?op=feeds";
 216
 217         if (display_tags) {
 218                 query_str = query_str + "&tags=1";
 219         }
 220
 221         if (getActiveFeedId() && !activeFeedIsCat()) {
 222                 query_str = query_str + "&actid=" + getActiveFeedId();
 223         }
 224
 225         var date = new Date();
 226         var timestamp = Math.round(date.getTime() / 1000);
 227         query_str = query_str + "&ts=" + timestamp
 228
 229         if (fetch) query_str = query_str + "&fetch=yes";
 230
 231 //      var feeds_frame = document.getElementById("feeds-frame");
 232 //      feeds_frame.src = query_str;
 233
 234         debug("updateFeedList Q=" + query_str);
 235
 236         if (xmlhttp_ready(xmlhttp)) {
 237                 xmlhttp.open("GET", query_str, true);
 238                 xmlhttp.onreadystatechange=feedlist_callback;
 239                 xmlhttp.send(null);
 240         } else {
 241                 debug("xmlhttp busy");
 242                 //printLockingError();
 243         }
 244
 245 }
 246
 247 function catchupAllFeeds() {
 248
 249         var query_str = "backend.php?op=feeds&subop=catchupAll";
 250
 251         notify_progress("Marking all feeds as read...");
 252
 253         debug("catchupAllFeeds Q=" + query_str);
 254
 255         if (xmlhttp_ready(xmlhttp)) {
 256                 xmlhttp.open("GET", query_str, true);
 257                 xmlhttp.onreadystatechange=feedlist_callback;
 258                 xmlhttp.send(null);
 259         } else {
 260                 debug("xmlhttp busy");
 261                 //printLockingError();
 262         }
 263
 264         global_unread = 0;
 265         updateTitle("");
 266
 267 }
 268
 269 function viewCurrentFeed(subop) {
 270
 271 //      if (getActiveFeedId()) {
 272         if (getActiveFeedId() != undefined) {
 273                 viewfeed(getActiveFeedId(), subop);
 274         } else {
 275                 disableContainerChildren("headlinesToolbar", false, document);
 276 //              viewfeed(-1, subop); // FIXME
 277         }
 278         return false; // block unneeded form submits
 279 }
 280
 281 function viewfeed(feed, subop) {
 282         var f = window.frames["feeds-frame"];
 283         f.viewfeed(feed, subop);
 284 }
 285
 286 function timeout() {
 287         scheduleFeedUpdate(false);
 288
 289         var refresh_time = getInitParam("feeds_frame_refresh");
 290
 291         if (!refresh_time) refresh_time = 600;
 292
 293         setTimeout("timeout()", refresh_time*1000);
 294 }
 295
 296 function resetSearch() {
 297         var searchbox = document.getElementById("searchbox")
 298
 299         if (searchbox.value != "" && getActiveFeedId()) {
 300                 searchbox.value = "";
 301                 viewfeed(getActiveFeedId(), "");
 302         }
 303 }
 304
 305 function searchCancel() {
 306         closeInfoBox(true);
 307 }
 308
 309 function search() {
 310         closeInfoBox();
 311         viewCurrentFeed(0, "");
 312 }
 313
 314 function localPiggieFunction(enable) {
 315         if (enable) {
 316                 var query_str = "backend.php?op=feeds&subop=piggie";
 317
 318                 if (xmlhttp_ready(xmlhttp)) {
 319
 320                         xmlhttp.open("GET", query_str, true);
 321                         xmlhttp.onreadystatechange=feedlist_callback;
 322                         xmlhttp.send(null);
 323                 }
 324         }
 325 }
 326
 327 // if argument is undefined, current subtitle is not updated
 328 // use blank string to clear subtitle
 329 function updateTitle(s) {
 330         var tmp = "Tiny Tiny RSS";
 331
 332         if (s != undefined) {
 333                 current_subtitle = s;
 334         }
 335
 336         if (global_unread > 0) {
 337                 tmp = tmp + " (" + global_unread + ")";
 338         }
 339
 340         if (current_subtitle) {
 341                 tmp = tmp + " - " + current_subtitle;
 342         }
 343
 344         if (active_title_text.length > 0) {
 345                 tmp = tmp + " > " + active_title_text;
 346         }
 347
 348         document.title = tmp;
 349 }
 350
 351 function genericSanityCheck() {
 352
 353         if (!xmlhttp) fatalError(1);
 354
 355         setCookie("ttrss_vf_test", "TEST");
 356
 357         if (getCookie("ttrss_vf_test") != "TEST") {
 358                 fatalError(2);
 359         }
 360
 361         return true;
 362 }
 363
 364 function init() {
 365
 366         try {
 367
 368                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 369
 370                 if (arguments.callee.done) return;
 371                 arguments.callee.done = true;
 372
 373                 disableContainerChildren("headlinesToolbar", true);
 374
 375                 Form.disable("main_toolbar_form");
 376
 377                 if (!genericSanityCheck())
 378                         return;
 379
 380                 if (getURLParam('debug')) {
 381                         document.getElementById('debug_output').style.display = 'block';
 382                         debug('debug mode activated');
 383                 }
 384
 385                 var params = "&ua=" + param_escape(navigator.userAgent);
 386
 387                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 388                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 389                 xmlhttp.send(null);
 390
 391         } catch (e) {
 392                 exception_error("init", e);
 393         }
 394 }
 395
 396 function resize_headlines() {
 397
 398         var h_frame = document.getElementById("headlines-frame");
 399         var c_frame = document.getElementById("content-frame");
 400         var f_frame = document.getElementById("footer");
 401
 402         if (!c_frame || !h_frame) return;
 403
 404         debug("resize_headlines");
 405
 406         if (!is_msie()) {
 407                 h_frame.style.height = 30 + "%";
 408                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 409                 h_frame.style.height = h_frame.offsetHeight + "px";
 410         } else {
 411                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 412                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 413
 414                 var c_bottom = document.documentElement.clientHeight;
 415
 416                 if (f_frame) {
 417                         c_bottom = f_frame.offsetTop;
 418                 }
 419
 420                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 421                         h_frame.offsetHeight + 1) + "px";
 422                 h_frame.style.height = h_frame.offsetHeight + "px";
 423
 424         }
 425 }
 426
 427 function init_second_stage() {
 428
 429         try {
 430
 431                 cookie_lifetime = getCookie("ttrss_cltime");
 432
 433                 delCookie("ttrss_vf_test");
 434
 435 //              document.onresize = resize_headlines;
 436                 resize_headlines();
 437
 438                 var toolbar = document.forms["main_toolbar_form"];
 439
 440                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 441                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 442
 443                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 444                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 445
 446                 setTimeout('updateFeedList(false, false)', 50);
 447
 448                 debug("second stage ok");
 449
 450         } catch (e) {
 451                 exception_error("init_second_stage", e);
 452         }
 453 }
 454
 455 function quickMenuChange() {
 456         var chooser = document.getElementById("quickMenuChooser");
 457         var opid = chooser[chooser.selectedIndex].value;
 458
 459         chooser.selectedIndex = 0;
 460         quickMenuGo(opid);
 461 }
 462
 463 function quickMenuGo(opid) {
 464         try {
 465
 466                 if (opid == "qmcPrefs") {
 467                         gotoPreferences();
 468                 }
 469
 470                 if (opid == "qmcSearch") {
 471                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 472                         return;
 473                 }
 474
 475                 if (opid == "qmcAddFeed") {
 476                         displayDlg("quickAddFeed");
 477                         return;
 478                 }
 479
 480                 if (opid == "qmcEditFeed") {
 481                         editFeedDlg(getActiveFeedId());
 482                 }
 483
 484                 if (opid == "qmcRemoveFeed") {
 485                         var actid = getActiveFeedId();
 486
 487                         if (activeFeedIsCat()) {
 488                                 alert("You can't unsubscribe from the category.");
 489                                 return;
 490                         }
 491
 492                         if (!actid) {
 493                                 alert("Please select some feed first.");
 494                                 return;
 495                         }
 496
 497                         var fn = getFeedName(actid);
 498
 499                         if (confirm("Unsubscribe from " + fn + "?")) {
 500                                 qfdDelete(actid);
 501                         }
 502
 503                         return;
 504                 }
 505
 506                 if (opid == "qmcUpdateFeeds") {
 507                         scheduleFeedUpdate(true);
 508                         return;
 509                 }
 510
 511                 if (opid == "qmcCatchupAll") {
 512                         catchupAllFeeds();
 513                         return;
 514                 }
 515
 516                 if (opid == "qmcShowOnlyUnread") {
 517                         toggleDispRead();
 518                         return;
 519                 }
 520
 521                 if (opid == "qmcAddFilter") {
 522                         displayDlg("quickAddFilter", getActiveFeedId());
 523                 }
 524
 525         } catch (e) {
 526                 exception_error("quickMenuGo", e);
 527         }
 528 }
 529
 530 function qfdDelete(feed_id) {
 531
 532         notify_progress("Removing feed...");
 533
 534         if (!xmlhttp_ready(xmlhttp)) {
 535                 printLockingError();
 536                 return
 537         }
 538
 539         _qfd_deleted_feed = feed_id;
 540
 541         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 542         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 543         xmlhttp.send(null);
 544
 545         return false;
 546 }
 547
 548
 549 function updateFeedTitle(t) {
 550         active_title_text = t;
 551         updateTitle();
 552 }
 553
 554 function toggleDispRead() {
 555         try {
 556
 557                 if (!xmlhttp_ready(xmlhttp)) {
 558                         printLockingError();
 559                         return
 560                 }
 561
 562                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 563
 564                 hide_read_feeds = !hide_read_feeds;
 565
 566                 debug("toggle_disp_read => " + hide_read_feeds);
 567
 568                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 569
 570                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 571
 572 /*              var query = "backend.php?op=rpc&subop=setpref" +
 573                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 574
 575                 new Ajax.Request(query); */
 576
 577         } catch (e) {
 578                 exception_error("toggleDispRead", e);
 579         }
 580 }
 581
 582 function parse_runtime_info(elem) {
 583         if (!elem) {
 584                 debug("parse_runtime_info: elem is null, aborting");
 585                 return;
 586         }
 587
 588         var param = elem.firstChild;
 589
 590         debug("parse_runtime_info: " + param);
 591
 592         while (param) {
 593                 var k = param.getAttribute("key");
 594                 var v = param.getAttribute("value");
 595
 596                 debug("RI: " + k + " => " + v);
 597
 598                 if (k == "new_version_available") {
 599                         var icon = document.getElementById("newVersionIcon");
 600                         if (icon) {
 601                                 if (v == "1") {
 602                                         icon.style.display = "inline";
 603                                 } else {
 604                                         icon.style.display = "none";
 605                                 }
 606                         }
 607                 }
 608
 609                 if (k == "daemon_is_running" && v != 1) {
 610                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>");
 611                 } else {
 612                         notify('');
 613                 }
 614
 615 /*              var w = document.getElementById("noDaemonWarning");
 616
 617                 if (w) {
 618                         if (k == "daemon_is_running" && v != 1) {
 619                                 w.style.display = "block";
 620                         } else {
 621                                 w.style.display = "none";
 622                         }
 623                 } */
 624                 param = param.nextSibling;
 625         }
 626 }
 627
 628 function catchupCurrentFeed() {
 629
 630         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 631
 632         var str = "Mark all articles in " + fn + " as read?";
 633
 634 /*      if (active_feed_is_cat) {
 635                 str = "Mark all articles in this category as read?";
 636         } */
 637
 638         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 639                 return viewCurrentFeed('MarkAllRead')
 640         }
 641 }
 642
 643 function userSwitch() {
 644         var chooser = document.getElementById("userSwitch");
 645         var user = chooser[chooser.selectedIndex].value;
 646         window.location = "tt-rss.php?swu=" + user;
 647 }
 648
 649 function editFeedDlg(feed) {
 650
 651         disableHotkeys();
 652
 653         if (!feed) {
 654                 alert("Please select some feed first.");
 655                 return;
 656         }
 657
 658         if (feed <= 0 || activeFeedIsCat() || tagsAreDisplayed()) {
 659                 alert("You can't edit this kind of feed.");
 660                 return;
 661         }
 662
 663         if (xmlhttp_ready(xmlhttp)) {
 664                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 665                         param_escape(feed), true);
 666                 xmlhttp.onreadystatechange=infobox_callback;
 667                 xmlhttp.send(null);
 668         } else {
 669                 printLockingError();
 670         }
 671 }
 672
 673 /* this functions duplicate those of prefs.js feed editor, with
 674         some differences because there is no feedlist */
 675
 676 function feedEditCancel() {
 677         closeInfoBox();
 678         return false;
 679 }
 680
 681 function feedEditSave() {
 682
 683         try {
 684
 685                 if (!xmlhttp_ready(xmlhttp)) {
 686                         printLockingError();
 687                         return
 688                 }
 689
 690                 // FIXME: add parameter validation
 691
 692                 var query = Form.serialize("edit_feed_form");
 693
 694                 notify_progress("Saving feed...");
 695
 696                 xmlhttp.open("POST", "backend.php", true);
 697                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 698                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 699                 xmlhttp.send(query);
 700
 701                 closeInfoBox();
 702
 703                 return false;
 704
 705         } catch (e) {
 706                 exception_error("feedEditSave (main)", e);
 707         }
 708 }
 709 /*
 710 function localHotkeyHandler(e) {
 711
 712         var keycode;
 713
 714         if (window.event) {
 715                 keycode = window.event.keyCode;
 716         } else if (e) {
 717                 keycode = e.which;
 718         }
 719
 720         var shift_key = false;
 721
 722         try {
 723                 shift_key = e.shiftKey;
 724         } catch (e) { }
 725
 726         if (keycode == 66 && shift_key) { // shift-B
 727
 728                 var op = history_pop();
 729
 730                 if (op) {
 731                         var op_s = op.split(":");
 732
 733                         var i;
 734                         for (i = 0; i < op_s.length; i++) {
 735                                 if (op_s[i] == 'undefined') {
 736                                         op_s[i] = undefined;
 737                                 }
 738
 739                                 if (op_s[i] == 'false') {
 740                                         op_s[i] = false;
 741                                 }
 742
 743                                 if (op_s[i] == 'true') {
 744                                         op_s[i] = true;
 745                                 }
 746
 747                         }
 748
 749                         debug("history split: " + op_s);
 750
 751                         if (op_s[0] == "ARTICLE") {
 752                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 753                                 view(op_s[1], op_s[2], true);
 754                         }
 755
 756                         if (op_s[0] == "FEED") {
 757                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 758                         }
 759
 760                 } else {
 761                         notify_error("No operation to undo");
 762                 }
 763
 764                 return false;
 765
 766         }
 767
 768         debug("LKP=" + keycode);
 769 }
 770
 771 function history_push(op) {
 772         debug("history_push: " + op);
 773         op_history.push(op);
 774
 775         while (op_history.length > 30) {
 776                 op_history.shift();
 777         }
 778 }
 779
 780 function history_pop() {
 781         var op = op_history.pop();
 782         debug("history_pop: " + op);
 783         return op;
 784 }
 785
 786 function history_clear() {
 787         debug("history_clear");
 788         op_history.clear();
 789 } */