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 = "t";
 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         var query_str = "backend.php?op=feeds";
 194
 195         if (display_tags) {
 196                 query_str = query_str + "&tags=1";
 197         }
 198
 199         if (getActiveFeedId() && !activeFeedIsCat()) {
 200                 query_str = query_str + "&actid=" + getActiveFeedId();
 201         }
 202
 203         if (navigator.userAgent.match("Opera")) {
 204                 var date = new Date();
 205                 var timestamp = Math.round(date.getTime() / 1000);
 206                 query_str = query_str + "&ts=" + timestamp
 207         }
 208
 209         if (fetch) query_str = query_str + "&fetch=yes";
 210
 211 //      var feeds_frame = document.getElementById("feeds-frame");
 212 //      feeds_frame.src = query_str;
 213
 214         debug("updateFeedList Q=" + query_str);
 215
 216         if (xmlhttp_ready(xmlhttp)) {
 217                 xmlhttp.open("GET", query_str, true);
 218                 xmlhttp.onreadystatechange=feedlist_callback;
 219                 xmlhttp.send(null);
 220         } else {
 221                 debug("xmlhttp busy");
 222                 //printLockingError();
 223         }
 224
 225 }
 226
 227 function catchupAllFeeds() {
 228
 229         var query_str = "backend.php?op=feeds&subop=catchupAll";
 230
 231         notify("Marking all feeds as read...");
 232
 233         debug("catchupAllFeeds Q=" + query_str);
 234
 235         if (xmlhttp_ready(xmlhttp)) {
 236                 xmlhttp.open("GET", query_str, true);
 237                 xmlhttp.onreadystatechange=feedlist_callback;
 238                 xmlhttp.send(null);
 239         } else {
 240                 debug("xmlhttp busy");
 241                 //printLockingError();
 242         }
 243
 244         global_unread = 0;
 245         updateTitle("");
 246
 247 }
 248
 249 function viewCurrentFeed(subop) {
 250
 251 //      if (getActiveFeedId()) {
 252         if (getActiveFeedId() != undefined) {
 253                 viewfeed(getActiveFeedId(), subop);
 254         } else {
 255                 disableContainerChildren("headlinesToolbar", false, document);
 256 //              viewfeed(-1, subop); // FIXME
 257         }
 258         return false; // block unneeded form submits
 259 }
 260
 261 function viewfeed(feed, subop) {
 262         var f = window.frames["feeds-frame"];
 263         f.viewfeed(feed, subop);
 264 }
 265
 266 function timeout() {
 267         scheduleFeedUpdate(false);
 268
 269         var refresh_time = getInitParam("feeds_frame_refresh");
 270
 271         if (!refresh_time) refresh_time = 600;
 272
 273         setTimeout("timeout()", refresh_time*1000);
 274 }
 275
 276 function resetSearch() {
 277         var searchbox = document.getElementById("searchbox")
 278
 279         if (searchbox.value != "" && getActiveFeedId()) {
 280                 searchbox.value = "";
 281                 viewfeed(getActiveFeedId(), "");
 282         }
 283 }
 284
 285 function searchCancel() {
 286         closeInfoBox(true);
 287 }
 288
 289 function search() {
 290         closeInfoBox();
 291         viewCurrentFeed(0, "");
 292 }
 293
 294 function localPiggieFunction(enable) {
 295         if (enable) {
 296                 var query_str = "backend.php?op=feeds&subop=piggie";
 297
 298                 if (xmlhttp_ready(xmlhttp)) {
 299
 300                         xmlhttp.open("GET", query_str, true);
 301                         xmlhttp.onreadystatechange=feedlist_callback;
 302                         xmlhttp.send(null);
 303                 }
 304         }
 305 }
 306
 307 // if argument is undefined, current subtitle is not updated
 308 // use blank string to clear subtitle
 309 function updateTitle(s) {
 310         var tmp = "Tiny Tiny RSS";
 311
 312         if (s != undefined) {
 313                 current_subtitle = s;
 314         }
 315
 316         if (global_unread > 0) {
 317                 tmp = tmp + " (" + global_unread + ")";
 318         }
 319
 320         if (current_subtitle) {
 321                 tmp = tmp + " - " + current_subtitle;
 322         }
 323
 324         if (active_title_text.length > 0) {
 325                 tmp = tmp + " > " + active_title_text;
 326         }
 327
 328         document.title = tmp;
 329 }
 330
 331 function genericSanityCheck() {
 332
 333         if (!xmlhttp) fatalError(1);
 334
 335         setCookie("ttrss_vf_test", "TEST");
 336
 337         if (getCookie("ttrss_vf_test") != "TEST") {
 338                 fatalError(2);
 339         }
 340
 341         return true;
 342 }
 343
 344 function init() {
 345
 346         try {
 347
 348                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 349
 350                 if (arguments.callee.done) return;
 351                 arguments.callee.done = true;
 352
 353                 disableContainerChildren("headlinesToolbar", true);
 354
 355                 Form.disable("main_toolbar_form");
 356
 357                 if (!genericSanityCheck())
 358                         return;
 359
 360                 if (getURLParam('debug')) {
 361                         document.getElementById('debug_output').style.display = 'block';
 362                         debug('debug mode activated');
 363                 }
 364
 365                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 366                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 367                 xmlhttp.send(null);
 368
 369         } catch (e) {
 370                 exception_error("init", e);
 371         }
 372 }
 373
 374 function init_second_stage() {
 375
 376         try {
 377
 378                 cookie_lifetime = getCookie("ttrss_cltime");
 379
 380                 delCookie("ttrss_vf_test");
 381
 382                 document.onkeydown = hotkey_handler;
 383
 384                 var tb = parent.document.forms["main_toolbar_form"];
 385
 386 //              dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 387 //              dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 388
 389                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 390                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 391
 392                 setTimeout('updateFeedList(false, false)', 50);
 393
 394                 debug("second stage ok");
 395
 396         } catch (e) {
 397                 exception_error("init_second_stage", e);
 398         }
 399 }
 400
 401 function quickMenuChange() {
 402         var chooser = document.getElementById("quickMenuChooser");
 403         var opid = chooser[chooser.selectedIndex].value;
 404
 405         chooser.selectedIndex = 0;
 406         quickMenuGo(opid);
 407 }
 408
 409 function quickMenuGo(opid) {
 410         try {
 411
 412                 if (opid == "qmcPrefs") {
 413                         gotoPreferences();
 414                 }
 415
 416                 if (opid == "qmcSearch") {
 417                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 418                         return;
 419                 }
 420
 421                 if (opid == "qmcAddFeed") {
 422                         displayDlg("quickAddFeed");
 423                         return;
 424                 }
 425
 426                 if (opid == "qmcEditFeed") {
 427                         editFeedDlg(getActiveFeedId());
 428                 }
 429
 430                 if (opid == "qmcRemoveFeed") {
 431                         var actid = getActiveFeedId();
 432
 433                         if (!actid || activeFeedIsCat()) {
 434                                 alert("Please select some feed first.");
 435                                 return;
 436                         }
 437
 438                         var fn = getFeedName(actid);
 439
 440                         if (confirm("Unsubscribe from " + fn + "?")) {
 441                                 qfdDelete(actid);
 442                         }
 443
 444                         return;
 445                 }
 446
 447                 if (opid == "qmcUpdateFeeds") {
 448                         scheduleFeedUpdate(true);
 449                         return;
 450                 }
 451
 452                 if (opid == "qmcCatchupAll") {
 453                         catchupAllFeeds();
 454                         return;
 455                 }
 456
 457                 if (opid == "qmcShowOnlyUnread") {
 458                         toggleDispRead();
 459                         return;
 460                 }
 461
 462                 if (opid == "qmcAddFilter") {
 463                         displayDlg("quickAddFilter", getActiveFeedId());
 464                 }
 465         } catch (e) {
 466                 exception_error("quickMenuGo", e);
 467         }
 468 }
 469
 470 function qfdDelete(feed_id) {
 471
 472         notify("Removing feed...");
 473
 474         if (!xmlhttp_ready(xmlhttp)) {
 475                 printLockingError();
 476                 return
 477         }
 478
 479         _qfd_deleted_feed = feed_id;
 480
 481         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 482         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 483         xmlhttp.send(null);
 484
 485         return false;
 486 }
 487
 488
 489 function updateFeedTitle(t) {
 490         active_title_text = t;
 491         updateTitle();
 492 }
 493
 494 function toggleDispRead() {
 495         try {
 496
 497                 if (!xmlhttp_ready(xmlhttp)) {
 498                         printLockingError();
 499                         return
 500                 }
 501
 502                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 503
 504                 hide_read_feeds = !hide_read_feeds;
 505
 506                 debug("toggle_disp_read => " + hide_read_feeds);
 507
 508                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 509
 510                 var query = "backend.php?op=rpc&subop=setpref" +
 511                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 512
 513                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 514
 515                 new Ajax.Request(query);
 516
 517         } catch (e) {
 518                 exception_error("toggleDispRead", e);
 519         }
 520 }
 521
 522 function parse_runtime_info(elem) {
 523         if (!elem) {
 524                 debug("parse_runtime_info: elem is null, aborting");
 525                 return;
 526         }
 527
 528         var param = elem.firstChild;
 529
 530         debug("parse_runtime_info: " + param);
 531
 532         while (param) {
 533                 var k = param.getAttribute("key");
 534                 var v = param.getAttribute("value");
 535
 536                 debug("RI: " + k + " => " + v);
 537
 538                 var w = document.getElementById("noDaemonWarning");
 539
 540                 if (w) {
 541                         if (k == "daemon_is_running" && v != 1) {
 542                                 w.style.display = "block";
 543                         } else {
 544                                 w.style.display = "none";
 545                         }
 546                 }
 547                 param = param.nextSibling;
 548         }
 549 }
 550
 551 function catchupCurrentFeed() {
 552
 553         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 554
 555         var str = "Mark all articles in " + fn + " as read?";
 556
 557 /*      if (active_feed_is_cat) {
 558                 str = "Mark all articles in this category as read?";
 559         } */
 560
 561         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 562                 return viewCurrentFeed('MarkAllRead')
 563         }
 564 }
 565
 566 function userSwitch() {
 567         var chooser = document.getElementById("userSwitch");
 568         var user = chooser[chooser.selectedIndex].value;
 569         window.location = "tt-rss.php?swu=" + user;
 570 }
 571
 572 function editFeedDlg(feed) {
 573
 574         disableHotkeys();
 575
 576         if (!feed) {
 577                 alert("Please select some feed first.");
 578                 return;
 579         }
 580
 581         if (xmlhttp_ready(xmlhttp)) {
 582                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 583                         param_escape(feed), true);
 584                 xmlhttp.onreadystatechange=infobox_callback;
 585                 xmlhttp.send(null);
 586         } else {
 587                 printLockingError();
 588         }
 589 }
 590
 591 /* this functions duplicate those of prefs.js feed editor, with
 592         some differences because there is no feedlist */
 593
 594 function feedEditCancel() {
 595         closeInfoBox();
 596         return false;
 597 }
 598
 599 function feedEditSave() {
 600
 601         try {
 602
 603                 if (!xmlhttp_ready(xmlhttp)) {
 604                         printLockingError();
 605                         return
 606                 }
 607
 608                 // FIXME: add parameter validation
 609
 610                 var query = Form.serialize("edit_feed_form");
 611
 612                 notify("Saving feed...");
 613
 614                 xmlhttp.open("POST", "backend.php", true);
 615                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 616                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 617                 xmlhttp.send(query);
 618
 619                 closeInfoBox();
 620
 621                 return false;
 622
 623         } catch (e) {
 624                 exception_error("feedEditSave (main)", e);
 625         }
 626 }
 627
 628 function localHotkeyHandler(e) {
 629
 630         var keycode;
 631
 632         if (window.event) {
 633                 keycode = window.event.keyCode;
 634         } else if (e) {
 635                 keycode = e.which;
 636         }
 637
 638         var shift_key = false;
 639
 640         try {
 641                 shift_key = e.shiftKey;
 642         } catch (e) { }
 643
 644         if (keycode == 66 && shift_key) { // shift-B
 645
 646                 var op = history_pop();
 647
 648                 if (op) {
 649                         var op_s = op.split(":");
 650
 651                         var i;
 652                         for (i = 0; i < op_s.length; i++) {
 653                                 if (op_s[i] == 'undefined') {
 654                                         op_s[i] = undefined;
 655                                 }
 656
 657                                 if (op_s[i] == 'false') {
 658                                         op_s[i] = false;
 659                                 }
 660
 661                                 if (op_s[i] == 'true') {
 662                                         op_s[i] = true;
 663                                 }
 664
 665                         }
 666
 667                         debug("history split: " + op_s);
 668
 669                         if (op_s[0] == "ARTICLE") {
 670                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 671                                 view(op_s[1], op_s[2], true);
 672                         }
 673
 674                         if (op_s[0] == "FEED") {
 675                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 676                         }
 677
 678                 } else {
 679                         notify("No operation to undo");
 680                 }
 681
 682                 return false;
 683
 684         }
 685
 686         debug("LKP=" + keycode);
 687 }
 688
 689 function history_push(op) {
 690         debug("history_push: " + op);
 691         op_history.push(op);
 692
 693         while (op_history.length > 30) {
 694                 op_history.shift();
 695         }
 696 }
 697
 698 function history_pop() {
 699         var op = op_history.pop();
 700         debug("history_pop: " + op);
 701         return op;
 702 }
 703
 704 function history_clear() {
 705         debug("history_clear");
 706         op_history.clear();
 707 }