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         }
 191
 192         debug("REFETCH query: " + query_str);
 193
 194         if (xmlhttp_ready(xmlhttp_ctr)) {
 195                 xmlhttp_ctr.open("GET", query_str, true);
 196                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 197                 xmlhttp_ctr.send(null);
 198         } else {
 199                 debug("xmlhttp_ctr busy");
 200                 //printLockingError();
 201         }
 202 }
 203
 204 function updateFeedList(silent, fetch) {
 205
 206 //      if (silent != true) {
 207 //              notify("Loading feed list...");
 208 //      }
 209
 210         debug("<b>updateFeedList</b>");
 211
 212         var query_str = "backend.php?op=feeds";
 213
 214         if (display_tags) {
 215                 query_str = query_str + "&tags=1";
 216         }
 217
 218         if (getActiveFeedId() && !activeFeedIsCat()) {
 219                 query_str = query_str + "&actid=" + getActiveFeedId();
 220         }
 221
 222         var date = new Date();
 223         var timestamp = Math.round(date.getTime() / 1000);
 224         query_str = query_str + "&ts=" + timestamp
 225
 226         if (fetch) query_str = query_str + "&fetch=yes";
 227
 228 //      var feeds_frame = document.getElementById("feeds-frame");
 229 //      feeds_frame.src = query_str;
 230
 231         debug("updateFeedList Q=" + query_str);
 232
 233         if (xmlhttp_ready(xmlhttp)) {
 234                 xmlhttp.open("GET", query_str, true);
 235                 xmlhttp.onreadystatechange=feedlist_callback;
 236                 xmlhttp.send(null);
 237         } else {
 238                 debug("xmlhttp busy");
 239                 //printLockingError();
 240         }
 241
 242 }
 243
 244 function catchupAllFeeds() {
 245
 246         var query_str = "backend.php?op=feeds&subop=catchupAll";
 247
 248         notify_progress("Marking all feeds as read...");
 249
 250         debug("catchupAllFeeds Q=" + query_str);
 251
 252         if (xmlhttp_ready(xmlhttp)) {
 253                 xmlhttp.open("GET", query_str, true);
 254                 xmlhttp.onreadystatechange=feedlist_callback;
 255                 xmlhttp.send(null);
 256         } else {
 257                 debug("xmlhttp busy");
 258                 //printLockingError();
 259         }
 260
 261         global_unread = 0;
 262         updateTitle("");
 263
 264 }
 265
 266 function viewCurrentFeed(subop) {
 267
 268 //      if (getActiveFeedId()) {
 269         if (getActiveFeedId() != undefined) {
 270                 viewfeed(getActiveFeedId(), subop);
 271         } else {
 272                 disableContainerChildren("headlinesToolbar", false, document);
 273 //              viewfeed(-1, subop); // FIXME
 274         }
 275         return false; // block unneeded form submits
 276 }
 277
 278 function viewfeed(feed, subop) {
 279         var f = window.frames["feeds-frame"];
 280         f.viewfeed(feed, subop);
 281 }
 282
 283 function timeout() {
 284         scheduleFeedUpdate(false);
 285
 286         var refresh_time = getInitParam("feeds_frame_refresh");
 287
 288         if (!refresh_time) refresh_time = 600;
 289
 290         setTimeout("timeout()", refresh_time*1000);
 291 }
 292
 293 function resetSearch() {
 294         var searchbox = document.getElementById("searchbox")
 295
 296         if (searchbox.value != "" && getActiveFeedId()) {
 297                 searchbox.value = "";
 298                 viewfeed(getActiveFeedId(), "");
 299         }
 300 }
 301
 302 function searchCancel() {
 303         closeInfoBox(true);
 304 }
 305
 306 function search() {
 307         closeInfoBox();
 308         viewCurrentFeed(0, "");
 309 }
 310
 311 function localPiggieFunction(enable) {
 312         if (enable) {
 313                 var query_str = "backend.php?op=feeds&subop=piggie";
 314
 315                 if (xmlhttp_ready(xmlhttp)) {
 316
 317                         xmlhttp.open("GET", query_str, true);
 318                         xmlhttp.onreadystatechange=feedlist_callback;
 319                         xmlhttp.send(null);
 320                 }
 321         }
 322 }
 323
 324 // if argument is undefined, current subtitle is not updated
 325 // use blank string to clear subtitle
 326 function updateTitle(s) {
 327         var tmp = "Tiny Tiny RSS";
 328
 329         if (s != undefined) {
 330                 current_subtitle = s;
 331         }
 332
 333         if (global_unread > 0) {
 334                 tmp = tmp + " (" + global_unread + ")";
 335         }
 336
 337         if (current_subtitle) {
 338                 tmp = tmp + " - " + current_subtitle;
 339         }
 340
 341         if (active_title_text.length > 0) {
 342                 tmp = tmp + " > " + active_title_text;
 343         }
 344
 345         document.title = tmp;
 346 }
 347
 348 function genericSanityCheck() {
 349
 350         if (!xmlhttp) fatalError(1);
 351
 352         setCookie("ttrss_vf_test", "TEST");
 353
 354         if (getCookie("ttrss_vf_test") != "TEST") {
 355                 fatalError(2);
 356         }
 357
 358         return true;
 359 }
 360
 361 function init() {
 362
 363         try {
 364
 365                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 366
 367                 if (arguments.callee.done) return;
 368                 arguments.callee.done = true;
 369
 370                 disableContainerChildren("headlinesToolbar", true);
 371
 372                 Form.disable("main_toolbar_form");
 373
 374                 if (!genericSanityCheck())
 375                         return;
 376
 377                 if (getURLParam('debug')) {
 378                         document.getElementById('debug_output').style.display = 'block';
 379                         debug('debug mode activated');
 380                 }
 381
 382                 var params = "&ua=" + param_escape(navigator.userAgent);
 383
 384                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 385                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 386                 xmlhttp.send(null);
 387
 388         } catch (e) {
 389                 exception_error("init", e);
 390         }
 391 }
 392
 393 function resize_headlines() {
 394
 395         var h_frame = document.getElementById("headlines-frame");
 396         var c_frame = document.getElementById("content-frame");
 397         var f_frame = document.getElementById("footer");
 398
 399         if (!c_frame || !h_frame) return;
 400
 401         debug("resize_headlines");
 402
 403         if (!is_msie()) {
 404                 h_frame.style.height = 30 + "%";
 405                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 406                 h_frame.style.height = h_frame.offsetHeight + "px";
 407         } else {
 408                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 409                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 410
 411                 var c_bottom = document.documentElement.clientHeight;
 412
 413                 if (f_frame) {
 414                         c_bottom = f_frame.offsetTop;
 415                 }
 416
 417                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 418                         h_frame.offsetHeight + 1) + "px";
 419                 h_frame.style.height = h_frame.offsetHeight + "px";
 420
 421         }
 422 }
 423
 424 function init_second_stage() {
 425
 426         try {
 427
 428                 cookie_lifetime = getCookie("ttrss_cltime");
 429
 430                 delCookie("ttrss_vf_test");
 431
 432 //              document.onresize = resize_headlines;
 433                 resize_headlines();
 434
 435                 var toolbar = document.forms["main_toolbar_form"];
 436
 437                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 438                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 439
 440                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 441                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 442
 443                 setTimeout('updateFeedList(false, false)', 50);
 444
 445                 debug("second stage ok");
 446
 447         } catch (e) {
 448                 exception_error("init_second_stage", e);
 449         }
 450 }
 451
 452 function quickMenuChange() {
 453         var chooser = document.getElementById("quickMenuChooser");
 454         var opid = chooser[chooser.selectedIndex].value;
 455
 456         chooser.selectedIndex = 0;
 457         quickMenuGo(opid);
 458 }
 459
 460 function quickMenuGo(opid) {
 461         try {
 462
 463                 if (opid == "qmcPrefs") {
 464                         gotoPreferences();
 465                 }
 466
 467                 if (opid == "qmcSearch") {
 468                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 469                         return;
 470                 }
 471
 472                 if (opid == "qmcAddFeed") {
 473                         displayDlg("quickAddFeed");
 474                         return;
 475                 }
 476
 477                 if (opid == "qmcEditFeed") {
 478                         editFeedDlg(getActiveFeedId());
 479                 }
 480
 481                 if (opid == "qmcRemoveFeed") {
 482                         var actid = getActiveFeedId();
 483
 484                         if (activeFeedIsCat()) {
 485                                 alert("You can't unsubscribe from the category.");
 486                                 return;
 487                         }
 488
 489                         if (!actid) {
 490                                 alert("Please select some feed first.");
 491                                 return;
 492                         }
 493
 494                         var fn = getFeedName(actid);
 495
 496                         if (confirm("Unsubscribe from " + fn + "?")) {
 497                                 qfdDelete(actid);
 498                         }
 499
 500                         return;
 501                 }
 502
 503                 if (opid == "qmcUpdateFeeds") {
 504                         scheduleFeedUpdate(true);
 505                         return;
 506                 }
 507
 508                 if (opid == "qmcCatchupAll") {
 509                         catchupAllFeeds();
 510                         return;
 511                 }
 512
 513                 if (opid == "qmcShowOnlyUnread") {
 514                         toggleDispRead();
 515                         return;
 516                 }
 517
 518                 if (opid == "qmcAddFilter") {
 519                         displayDlg("quickAddFilter", getActiveFeedId());
 520                 }
 521
 522         } catch (e) {
 523                 exception_error("quickMenuGo", e);
 524         }
 525 }
 526
 527 function qfdDelete(feed_id) {
 528
 529         notify_progress("Removing feed...");
 530
 531         if (!xmlhttp_ready(xmlhttp)) {
 532                 printLockingError();
 533                 return
 534         }
 535
 536         _qfd_deleted_feed = feed_id;
 537
 538         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 539         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 540         xmlhttp.send(null);
 541
 542         return false;
 543 }
 544
 545
 546 function updateFeedTitle(t) {
 547         active_title_text = t;
 548         updateTitle();
 549 }
 550
 551 function toggleDispRead() {
 552         try {
 553
 554                 if (!xmlhttp_ready(xmlhttp)) {
 555                         printLockingError();
 556                         return
 557                 }
 558
 559                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 560
 561                 hide_read_feeds = !hide_read_feeds;
 562
 563                 debug("toggle_disp_read => " + hide_read_feeds);
 564
 565                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 566
 567                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 568
 569 /*              var query = "backend.php?op=rpc&subop=setpref" +
 570                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 571
 572                 new Ajax.Request(query); */
 573
 574         } catch (e) {
 575                 exception_error("toggleDispRead", e);
 576         }
 577 }
 578
 579 function parse_runtime_info(elem) {
 580         if (!elem) {
 581                 debug("parse_runtime_info: elem is null, aborting");
 582                 return;
 583         }
 584
 585         var param = elem.firstChild;
 586
 587         debug("parse_runtime_info: " + param);
 588
 589         while (param) {
 590                 var k = param.getAttribute("key");
 591                 var v = param.getAttribute("value");
 592
 593                 debug("RI: " + k + " => " + v);
 594
 595                 if (k == "new_version_available") {
 596                         var icon = document.getElementById("newVersionIcon");
 597                         if (icon) {
 598                                 if (v == "1") {
 599                                         icon.style.display = "inline";
 600                                 } else {
 601                                         icon.style.display = "none";
 602                                 }
 603                         }
 604                 }
 605
 606                 if (k == "daemon_is_running" && v != 1) {
 607                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>");
 608                 } else {
 609                         notify('');
 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 } */