tt-rss.js

   1 var xmlhttp = false;
   2 var total_unread = 0;
   3 var first_run = true;
   4 var display_tags = false;
   5 var global_unread = -1;
   6 var active_title_text = "";
   7 var current_subtitle = "";
   8 var daemon_enabled = false;
   9 var daemon_refresh_only = false;
  10 var _qfd_deleted_feed = 0;
  11 var firsttime_update = true;
  12 var last_refetch = 0;
  13 var cookie_lifetime = 0;
  14 var active_feed_id = 0;
  15 var active_feed_is_cat = false;
  16 var number_of_feeds = 0;
  17
  18 var xmlhttp = Ajax.getTransport();
  19 var xmlhttp_ctr = Ajax.getTransport();
  20
  21 var init_params = new Object();
  22
  23 var op_history = new Array();
  24
  25 function tagsAreDisplayed() {
  26         return display_tags;
  27 }
  28
  29 function toggleTags() {
  30         display_tags = !display_tags;
  31
  32         var p = document.getElementById("dispSwitchPrompt");
  33
  34         if (display_tags) {
  35                 p.innerHTML = "display feeds";
  36         } else {
  37                 p.innerHTML = "display tags";
  38         }
  39
  40         notify("Loading, please wait...");
  41
  42         updateFeedList();
  43 }
  44
  45 function dlg_frefresh_callback() {
  46         if (xmlhttp.readyState == 4) {
  47 //              notify(xmlhttp.responseText);
  48
  49                 if (getActiveFeedId() == _qfd_deleted_feed) {
  50                         var h = document.getElementById("headlines-frame");
  51                         if (h) {
  52                                 h.innerHTML = "<div class='whiteBox'>No feed selected.</div>";
  53                         }
  54                 }
  55
  56                 setTimeout('updateFeedList(false, false)', 50);
  57                 closeInfoBox();
  58         }
  59 }
  60
  61 function refetch_callback() {
  62         if (xmlhttp_ctr.readyState == 4) {
  63                 try {
  64
  65                         var date = new Date();
  66
  67                         last_refetch = date.getTime() / 1000;
  68
  69                         parse_counters_reply(xmlhttp_ctr, true);
  70
  71                         debug("refetch_callback: done");
  72
  73                         if (!daemon_enabled && !daemon_refresh_only) {
  74                                 notify("All feeds updated.");
  75                                 updateTitle("");
  76                         } else {
  77                                 notify("");
  78                         }
  79                 } catch (e) {
  80                         exception_error("refetch_callback", e);
  81                         updateTitle("");
  82                 }
  83         }
  84 }
  85
  86 function backend_sanity_check_callback() {
  87
  88         if (xmlhttp.readyState == 4) {
  89
  90                 try {
  91
  92                         if (!xmlhttp.responseXML) {
  93                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
  94                                 return;
  95                         }
  96
  97                         var reply = xmlhttp.responseXML.firstChild.firstChild;
  98
  99                         if (!reply) {
 100                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 101                                 return;
 102                         }
 103
 104                         var error_code = reply.getAttribute("error-code");
 105
 106                         if (error_code && error_code != 0) {
 107                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 108                         }
 109
 110                         debug("sanity check ok");
 111
 112                         var params = reply.nextSibling;
 113
 114                         if (params) {
 115                                 debug('reading init-params...');
 116                                 var param = params.firstChild;
 117
 118                                 while (param) {
 119                                         var k = param.getAttribute("key");
 120                                         var v = param.getAttribute("value");
 121                                         debug(k + " => " + v);
 122                                         init_params[k] = v;
 123                                         param = param.nextSibling;
 124                                 }
 125                         }
 126
 127                         init_second_stage();
 128
 129                 } catch (e) {
 130                         exception_error("backend_sanity_check_callback", e);
 131                 }
 132         }
 133 }
 134
 135 function scheduleFeedUpdate(force) {
 136
 137         if (!daemon_enabled && !daemon_refresh_only) {
 138                 notify("Updating feeds, please wait.", true);
 139                 updateTitle("Updating");
 140         }
 141
 142         var query_str = "backend.php?op=rpc&subop=";
 143
 144         if (force) {
 145                 query_str = query_str + "forceUpdateAllFeeds";
 146         } else {
 147                 query_str = query_str + "updateAllFeeds";
 148         }
 149
 150         var omode;
 151
 152         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 153                 firsttime_update = false;
 154                 omode = "T";
 155         } else {
 156                 if (display_tags) {
 157                         omode = "tl";
 158                 } else {
 159                         omode = "flc";
 160                 }
 161         }
 162
 163         query_str = query_str + "&omode=" + omode;
 164         query_str = query_str + "&uctr=" + global_unread;
 165
 166         debug("in scheduleFeedUpdate");
 167
 168         var date = new Date();
 169
 170         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 171                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 172                 xmlhttp_ctr.abort();
 173         }
 174
 175         debug("REFETCH query: " + query_str);
 176
 177         if (xmlhttp_ready(xmlhttp_ctr)) {
 178                 xmlhttp_ctr.open("GET", query_str, true);
 179                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 180                 xmlhttp_ctr.send(null);
 181         } else {
 182                 debug("xmlhttp_ctr busy");
 183                 //printLockingError();
 184         }
 185 }
 186
 187 function updateFeedList(silent, fetch) {
 188
 189 //      if (silent != true) {
 190 //              notify("Loading feed list...");
 191 //      }
 192
 193         debug("<b>updateFeedList</b>");
 194
 195         var query_str = "backend.php?op=feeds";
 196
 197         if (display_tags) {
 198                 query_str = query_str + "&tags=1";
 199         }
 200
 201         if (getActiveFeedId() && !activeFeedIsCat()) {
 202                 query_str = query_str + "&actid=" + getActiveFeedId();
 203         }
 204
 205         if (navigator.userAgent.match("Opera")) {
 206                 var date = new Date();
 207                 var timestamp = Math.round(date.getTime() / 1000);
 208                 query_str = query_str + "&ts=" + timestamp
 209         }
 210
 211         if (fetch) query_str = query_str + "&fetch=yes";
 212
 213 //      var feeds_frame = document.getElementById("feeds-frame");
 214 //      feeds_frame.src = query_str;
 215
 216         debug("updateFeedList Q=" + query_str);
 217
 218         if (xmlhttp_ready(xmlhttp)) {
 219                 xmlhttp.open("GET", query_str, true);
 220                 xmlhttp.onreadystatechange=feedlist_callback;
 221                 xmlhttp.send(null);
 222         } else {
 223                 debug("xmlhttp busy");
 224                 //printLockingError();
 225         }
 226
 227 }
 228
 229 function catchupAllFeeds() {
 230
 231         var query_str = "backend.php?op=feeds&subop=catchupAll";
 232
 233         notify("Marking all feeds as read...");
 234
 235         debug("catchupAllFeeds Q=" + query_str);
 236
 237         if (xmlhttp_ready(xmlhttp)) {
 238                 xmlhttp.open("GET", query_str, true);
 239                 xmlhttp.onreadystatechange=feedlist_callback;
 240                 xmlhttp.send(null);
 241         } else {
 242                 debug("xmlhttp busy");
 243                 //printLockingError();
 244         }
 245
 246         global_unread = 0;
 247         updateTitle("");
 248
 249 }
 250
 251 function viewCurrentFeed(subop) {
 252
 253 //      if (getActiveFeedId()) {
 254         if (getActiveFeedId() != undefined) {
 255                 viewfeed(getActiveFeedId(), subop);
 256         } else {
 257                 disableContainerChildren("headlinesToolbar", false, document);
 258 //              viewfeed(-1, subop); // FIXME
 259         }
 260         return false; // block unneeded form submits
 261 }
 262
 263 function viewfeed(feed, subop) {
 264         var f = window.frames["feeds-frame"];
 265         f.viewfeed(feed, subop);
 266 }
 267
 268 function timeout() {
 269         scheduleFeedUpdate(false);
 270
 271         var refresh_time = getInitParam("feeds_frame_refresh");
 272
 273         if (!refresh_time) refresh_time = 600;
 274
 275         setTimeout("timeout()", refresh_time*1000);
 276 }
 277
 278 function resetSearch() {
 279         var searchbox = document.getElementById("searchbox")
 280
 281         if (searchbox.value != "" && getActiveFeedId()) {
 282                 searchbox.value = "";
 283                 viewfeed(getActiveFeedId(), "");
 284         }
 285 }
 286
 287 function searchCancel() {
 288         closeInfoBox(true);
 289 }
 290
 291 function search() {
 292         closeInfoBox();
 293         viewCurrentFeed(0, "");
 294 }
 295
 296 function localPiggieFunction(enable) {
 297         if (enable) {
 298                 var query_str = "backend.php?op=feeds&subop=piggie";
 299
 300                 if (xmlhttp_ready(xmlhttp)) {
 301
 302                         xmlhttp.open("GET", query_str, true);
 303                         xmlhttp.onreadystatechange=feedlist_callback;
 304                         xmlhttp.send(null);
 305                 }
 306         }
 307 }
 308
 309 // if argument is undefined, current subtitle is not updated
 310 // use blank string to clear subtitle
 311 function updateTitle(s) {
 312         var tmp = "Tiny Tiny RSS";
 313
 314         if (s != undefined) {
 315                 current_subtitle = s;
 316         }
 317
 318         if (global_unread > 0) {
 319                 tmp = tmp + " (" + global_unread + ")";
 320         }
 321
 322         if (current_subtitle) {
 323                 tmp = tmp + " - " + current_subtitle;
 324         }
 325
 326         if (active_title_text.length > 0) {
 327                 tmp = tmp + " > " + active_title_text;
 328         }
 329
 330         document.title = tmp;
 331 }
 332
 333 function genericSanityCheck() {
 334
 335         if (!xmlhttp) fatalError(1);
 336
 337         setCookie("ttrss_vf_test", "TEST");
 338
 339         if (getCookie("ttrss_vf_test") != "TEST") {
 340                 fatalError(2);
 341         }
 342
 343         return true;
 344 }
 345
 346 function init() {
 347
 348         try {
 349
 350                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 351
 352                 if (arguments.callee.done) return;
 353                 arguments.callee.done = true;
 354
 355                 disableContainerChildren("headlinesToolbar", true);
 356
 357                 Form.disable("main_toolbar_form");
 358
 359                 if (!genericSanityCheck())
 360                         return;
 361
 362                 if (getURLParam('debug')) {
 363                         document.getElementById('debug_output').style.display = 'block';
 364                         debug('debug mode activated');
 365                 }
 366
 367                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 368                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 369                 xmlhttp.send(null);
 370
 371         } catch (e) {
 372                 exception_error("init", e);
 373         }
 374 }
 375
 376 function init_second_stage() {
 377
 378         try {
 379
 380                 cookie_lifetime = getCookie("ttrss_cltime");
 381
 382                 delCookie("ttrss_vf_test");
 383
 384                 document.onkeydown = hotkey_handler;
 385
 386                 var tb = parent.document.forms["main_toolbar_form"];
 387
 388 //              dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 389 //              dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 390
 391                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 392                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 393
 394                 setTimeout('updateFeedList(false, false)', 50);
 395
 396                 debug("second stage ok");
 397
 398         } catch (e) {
 399                 exception_error("init_second_stage", e);
 400         }
 401 }
 402
 403 function quickMenuChange() {
 404         var chooser = document.getElementById("quickMenuChooser");
 405         var opid = chooser[chooser.selectedIndex].value;
 406
 407         chooser.selectedIndex = 0;
 408         quickMenuGo(opid);
 409 }
 410
 411 function quickMenuGo(opid) {
 412         try {
 413
 414                 if (opid == "qmcPrefs") {
 415                         gotoPreferences();
 416                 }
 417
 418                 if (opid == "qmcSearch") {
 419                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 420                         return;
 421                 }
 422
 423                 if (opid == "qmcAddFeed") {
 424                         displayDlg("quickAddFeed");
 425                         return;
 426                 }
 427
 428                 if (opid == "qmcEditFeed") {
 429                         editFeedDlg(getActiveFeedId());
 430                 }
 431
 432                 if (opid == "qmcRemoveFeed") {
 433                         var actid = getActiveFeedId();
 434
 435                         if (!actid || activeFeedIsCat()) {
 436                                 alert("Please select some feed first.");
 437                                 return;
 438                         }
 439
 440                         var fn = getFeedName(actid);
 441
 442                         if (confirm("Unsubscribe from " + fn + "?")) {
 443                                 qfdDelete(actid);
 444                         }
 445
 446                         return;
 447                 }
 448
 449                 if (opid == "qmcUpdateFeeds") {
 450                         scheduleFeedUpdate(true);
 451                         return;
 452                 }
 453
 454                 if (opid == "qmcCatchupAll") {
 455                         catchupAllFeeds();
 456                         return;
 457                 }
 458
 459                 if (opid == "qmcShowOnlyUnread") {
 460                         toggleDispRead();
 461                         return;
 462                 }
 463
 464                 if (opid == "qmcAddFilter") {
 465                         displayDlg("quickAddFilter", getActiveFeedId());
 466                 }
 467         } catch (e) {
 468                 exception_error("quickMenuGo", e);
 469         }
 470 }
 471
 472 function qfdDelete(feed_id) {
 473
 474         notify("Removing feed...");
 475
 476         if (!xmlhttp_ready(xmlhttp)) {
 477                 printLockingError();
 478                 return
 479         }
 480
 481         _qfd_deleted_feed = feed_id;
 482
 483         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 484         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 485         xmlhttp.send(null);
 486
 487         return false;
 488 }
 489
 490
 491 function updateFeedTitle(t) {
 492         active_title_text = t;
 493         updateTitle();
 494 }
 495
 496 function toggleDispRead() {
 497         try {
 498
 499                 if (!xmlhttp_ready(xmlhttp)) {
 500                         printLockingError();
 501                         return
 502                 }
 503
 504                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 505
 506                 hide_read_feeds = !hide_read_feeds;
 507
 508                 debug("toggle_disp_read => " + hide_read_feeds);
 509
 510                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 511
 512                 var query = "backend.php?op=rpc&subop=setpref" +
 513                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 514
 515                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 516
 517                 new Ajax.Request(query);
 518
 519         } catch (e) {
 520                 exception_error("toggleDispRead", e);
 521         }
 522 }
 523
 524 function parse_runtime_info(elem) {
 525         if (!elem) {
 526                 debug("parse_runtime_info: elem is null, aborting");
 527                 return;
 528         }
 529
 530         var param = elem.firstChild;
 531
 532         debug("parse_runtime_info: " + param);
 533
 534         while (param) {
 535                 var k = param.getAttribute("key");
 536                 var v = param.getAttribute("value");
 537
 538                 debug("RI: " + k + " => " + v);
 539
 540                 var w = document.getElementById("noDaemonWarning");
 541
 542                 if (w) {
 543                         if (k == "daemon_is_running" && v != 1) {
 544                                 w.style.display = "block";
 545                         } else {
 546                                 w.style.display = "none";
 547                         }
 548                 }
 549                 param = param.nextSibling;
 550         }
 551 }
 552
 553 function catchupCurrentFeed() {
 554
 555         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 556
 557         var str = "Mark all articles in " + fn + " as read?";
 558
 559 /*      if (active_feed_is_cat) {
 560                 str = "Mark all articles in this category as read?";
 561         } */
 562
 563         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 564                 return viewCurrentFeed('MarkAllRead')
 565         }
 566 }
 567
 568 function userSwitch() {
 569         var chooser = document.getElementById("userSwitch");
 570         var user = chooser[chooser.selectedIndex].value;
 571         window.location = "tt-rss.php?swu=" + user;
 572 }
 573
 574 function editFeedDlg(feed) {
 575
 576         disableHotkeys();
 577
 578         if (!feed) {
 579                 alert("Please select some feed first.");
 580                 return;
 581         }
 582
 583         if (feed <= 0 || active_feed_is_cat || tagsAreDisplayed()) {
 584                 alert("You can't edit this kind of feed.");
 585                 return;
 586         }
 587
 588         if (xmlhttp_ready(xmlhttp)) {
 589                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 590                         param_escape(feed), true);
 591                 xmlhttp.onreadystatechange=infobox_callback;
 592                 xmlhttp.send(null);
 593         } else {
 594                 printLockingError();
 595         }
 596 }
 597
 598 /* this functions duplicate those of prefs.js feed editor, with
 599         some differences because there is no feedlist */
 600
 601 function feedEditCancel() {
 602         closeInfoBox();
 603         return false;
 604 }
 605
 606 function feedEditSave() {
 607
 608         try {
 609
 610                 if (!xmlhttp_ready(xmlhttp)) {
 611                         printLockingError();
 612                         return
 613                 }
 614
 615                 // FIXME: add parameter validation
 616
 617                 var query = Form.serialize("edit_feed_form");
 618
 619                 notify("Saving feed...");
 620
 621                 xmlhttp.open("POST", "backend.php", true);
 622                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 623                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 624                 xmlhttp.send(query);
 625
 626                 closeInfoBox();
 627
 628                 return false;
 629
 630         } catch (e) {
 631                 exception_error("feedEditSave (main)", e);
 632         }
 633 }
 634
 635 function localHotkeyHandler(e) {
 636
 637         var keycode;
 638
 639         if (window.event) {
 640                 keycode = window.event.keyCode;
 641         } else if (e) {
 642                 keycode = e.which;
 643         }
 644
 645         var shift_key = false;
 646
 647         try {
 648                 shift_key = e.shiftKey;
 649         } catch (e) { }
 650
 651         if (keycode == 66 && shift_key) { // shift-B
 652
 653                 var op = history_pop();
 654
 655                 if (op) {
 656                         var op_s = op.split(":");
 657
 658                         var i;
 659                         for (i = 0; i < op_s.length; i++) {
 660                                 if (op_s[i] == 'undefined') {
 661                                         op_s[i] = undefined;
 662                                 }
 663
 664                                 if (op_s[i] == 'false') {
 665                                         op_s[i] = false;
 666                                 }
 667
 668                                 if (op_s[i] == 'true') {
 669                                         op_s[i] = true;
 670                                 }
 671
 672                         }
 673
 674                         debug("history split: " + op_s);
 675
 676                         if (op_s[0] == "ARTICLE") {
 677                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 678                                 view(op_s[1], op_s[2], true);
 679                         }
 680
 681                         if (op_s[0] == "FEED") {
 682                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 683                         }
 684
 685                 } else {
 686                         notify("No operation to undo");
 687                 }
 688
 689                 return false;
 690
 691         }
 692
 693         debug("LKP=" + keycode);
 694 }
 695
 696 function history_push(op) {
 697         debug("history_push: " + op);
 698         op_history.push(op);
 699
 700         while (op_history.length > 30) {
 701                 op_history.shift();
 702         }
 703 }
 704
 705 function history_pop() {
 706         var op = op_history.pop();
 707         debug("history_pop: " + op);
 708         return op;
 709 }
 710
 711 function history_clear() {
 712         debug("history_clear");
 713         op_history.clear();
 714 }