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