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                 var params = "&ua=" + param_escape(navigator.userAgent);
 368
 369                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 370                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 371                 xmlhttp.send(null);
 372
 373         } catch (e) {
 374                 exception_error("init", e);
 375         }
 376 }
 377
 378 function init_second_stage() {
 379
 380         try {
 381
 382                 cookie_lifetime = getCookie("ttrss_cltime");
 383
 384                 delCookie("ttrss_vf_test");
 385
 386                 document.onkeydown = hotkey_handler;
 387
 388                 var tb = parent.document.forms["main_toolbar_form"];
 389
 390 //              dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 391 //              dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 392
 393                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 394                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 395
 396                 setTimeout('updateFeedList(false, false)', 50);
 397
 398                 debug("second stage ok");
 399
 400         } catch (e) {
 401                 exception_error("init_second_stage", e);
 402         }
 403 }
 404
 405 function quickMenuChange() {
 406         var chooser = document.getElementById("quickMenuChooser");
 407         var opid = chooser[chooser.selectedIndex].value;
 408
 409         chooser.selectedIndex = 0;
 410         quickMenuGo(opid);
 411 }
 412
 413 function quickMenuGo(opid) {
 414         try {
 415
 416                 if (opid == "qmcPrefs") {
 417                         gotoPreferences();
 418                 }
 419
 420                 if (opid == "qmcSearch") {
 421                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 422                         return;
 423                 }
 424
 425                 if (opid == "qmcAddFeed") {
 426                         displayDlg("quickAddFeed");
 427                         return;
 428                 }
 429
 430                 if (opid == "qmcEditFeed") {
 431                         editFeedDlg(getActiveFeedId());
 432                 }
 433
 434                 if (opid == "qmcRemoveFeed") {
 435                         var actid = getActiveFeedId();
 436
 437                         if (!actid || activeFeedIsCat()) {
 438                                 alert("Please select some feed first.");
 439                                 return;
 440                         }
 441
 442                         var fn = getFeedName(actid);
 443
 444                         if (confirm("Unsubscribe from " + fn + "?")) {
 445                                 qfdDelete(actid);
 446                         }
 447
 448                         return;
 449                 }
 450
 451                 if (opid == "qmcUpdateFeeds") {
 452                         scheduleFeedUpdate(true);
 453                         return;
 454                 }
 455
 456                 if (opid == "qmcCatchupAll") {
 457                         catchupAllFeeds();
 458                         return;
 459                 }
 460
 461                 if (opid == "qmcShowOnlyUnread") {
 462                         toggleDispRead();
 463                         return;
 464                 }
 465
 466                 if (opid == "qmcAddFilter") {
 467                         displayDlg("quickAddFilter", getActiveFeedId());
 468                 }
 469         } catch (e) {
 470                 exception_error("quickMenuGo", e);
 471         }
 472 }
 473
 474 function qfdDelete(feed_id) {
 475
 476         notify("Removing feed...");
 477
 478         if (!xmlhttp_ready(xmlhttp)) {
 479                 printLockingError();
 480                 return
 481         }
 482
 483         _qfd_deleted_feed = feed_id;
 484
 485         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 486         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 487         xmlhttp.send(null);
 488
 489         return false;
 490 }
 491
 492
 493 function updateFeedTitle(t) {
 494         active_title_text = t;
 495         updateTitle();
 496 }
 497
 498 function toggleDispRead() {
 499         try {
 500
 501                 if (!xmlhttp_ready(xmlhttp)) {
 502                         printLockingError();
 503                         return
 504                 }
 505
 506                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 507
 508                 hide_read_feeds = !hide_read_feeds;
 509
 510                 debug("toggle_disp_read => " + hide_read_feeds);
 511
 512                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 513
 514                 var query = "backend.php?op=rpc&subop=setpref" +
 515                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 516
 517                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 518
 519                 new Ajax.Request(query);
 520
 521         } catch (e) {
 522                 exception_error("toggleDispRead", e);
 523         }
 524 }
 525
 526 function parse_runtime_info(elem) {
 527         if (!elem) {
 528                 debug("parse_runtime_info: elem is null, aborting");
 529                 return;
 530         }
 531
 532         var param = elem.firstChild;
 533
 534         debug("parse_runtime_info: " + param);
 535
 536         while (param) {
 537                 var k = param.getAttribute("key");
 538                 var v = param.getAttribute("value");
 539
 540                 debug("RI: " + k + " => " + v);
 541
 542                 if (k == "new_version_available") {
 543                         var icon = document.getElementById("newVersionIcon");
 544                         if (icon) {
 545                                 if (v == "1") {
 546                                         icon.style.display = "inline";
 547                                 } else {
 548                                         icon.style.display = "none";
 549                                 }
 550                         }
 551                 }
 552
 553                 if (k == "daemon_is_running" && v != 1) {
 554                         notify("<span onclick=\"javascript:explainError(1)\">Warning: Update daemon is not runing.</span>", true, true);
 555                 }
 556
 557 /*              var w = document.getElementById("noDaemonWarning");
 558
 559                 if (w) {
 560                         if (k == "daemon_is_running" && v != 1) {
 561                                 w.style.display = "block";
 562                         } else {
 563                                 w.style.display = "none";
 564                         }
 565                 } */
 566                 param = param.nextSibling;
 567         }
 568 }
 569
 570 function catchupCurrentFeed() {
 571
 572         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 573
 574         var str = "Mark all articles in " + fn + " as read?";
 575
 576 /*      if (active_feed_is_cat) {
 577                 str = "Mark all articles in this category as read?";
 578         } */
 579
 580         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 581                 return viewCurrentFeed('MarkAllRead')
 582         }
 583 }
 584
 585 function userSwitch() {
 586         var chooser = document.getElementById("userSwitch");
 587         var user = chooser[chooser.selectedIndex].value;
 588         window.location = "tt-rss.php?swu=" + user;
 589 }
 590
 591 function editFeedDlg(feed) {
 592
 593         disableHotkeys();
 594
 595         if (!feed) {
 596                 alert("Please select some feed first.");
 597                 return;
 598         }
 599
 600         if (feed <= 0 || active_feed_is_cat || tagsAreDisplayed()) {
 601                 alert("You can't edit this kind of feed.");
 602                 return;
 603         }
 604
 605         if (xmlhttp_ready(xmlhttp)) {
 606                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 607                         param_escape(feed), true);
 608                 xmlhttp.onreadystatechange=infobox_callback;
 609                 xmlhttp.send(null);
 610         } else {
 611                 printLockingError();
 612         }
 613 }
 614
 615 /* this functions duplicate those of prefs.js feed editor, with
 616         some differences because there is no feedlist */
 617
 618 function feedEditCancel() {
 619         closeInfoBox();
 620         return false;
 621 }
 622
 623 function feedEditSave() {
 624
 625         try {
 626
 627                 if (!xmlhttp_ready(xmlhttp)) {
 628                         printLockingError();
 629                         return
 630                 }
 631
 632                 // FIXME: add parameter validation
 633
 634                 var query = Form.serialize("edit_feed_form");
 635
 636                 notify("Saving feed...");
 637
 638                 xmlhttp.open("POST", "backend.php", true);
 639                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 640                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 641                 xmlhttp.send(query);
 642
 643                 closeInfoBox();
 644
 645                 return false;
 646
 647         } catch (e) {
 648                 exception_error("feedEditSave (main)", e);
 649         }
 650 }
 651
 652 function localHotkeyHandler(e) {
 653
 654         var keycode;
 655
 656         if (window.event) {
 657                 keycode = window.event.keyCode;
 658         } else if (e) {
 659                 keycode = e.which;
 660         }
 661
 662         var shift_key = false;
 663
 664         try {
 665                 shift_key = e.shiftKey;
 666         } catch (e) { }
 667
 668         if (keycode == 66 && shift_key) { // shift-B
 669
 670                 var op = history_pop();
 671
 672                 if (op) {
 673                         var op_s = op.split(":");
 674
 675                         var i;
 676                         for (i = 0; i < op_s.length; i++) {
 677                                 if (op_s[i] == 'undefined') {
 678                                         op_s[i] = undefined;
 679                                 }
 680
 681                                 if (op_s[i] == 'false') {
 682                                         op_s[i] = false;
 683                                 }
 684
 685                                 if (op_s[i] == 'true') {
 686                                         op_s[i] = true;
 687                                 }
 688
 689                         }
 690
 691                         debug("history split: " + op_s);
 692
 693                         if (op_s[0] == "ARTICLE") {
 694                                 debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
 695                                 view(op_s[1], op_s[2], true);
 696                         }
 697
 698                         if (op_s[0] == "FEED") {
 699                                 viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
 700                         }
 701
 702                 } else {
 703                         notify("No operation to undo");
 704                 }
 705
 706                 return false;
 707
 708         }
 709
 710         debug("LKP=" + keycode);
 711 }
 712
 713 function history_push(op) {
 714         debug("history_push: " + op);
 715         op_history.push(op);
 716
 717         while (op_history.length > 30) {
 718                 op_history.shift();
 719         }
 720 }
 721
 722 function history_pop() {
 723         var op = op_history.pop();
 724         debug("history_pop: " + op);
 725         return op;
 726 }
 727
 728 function history_clear() {
 729         debug("history_clear");
 730         op_history.clear();
 731 }