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