tt-rss.js

   1 var xmlhttp = false;
   2 var total_unread = 0;
   3 var first_run = true;
   4 var display_tags = false;
   5 var global_unread = -1;
   6 var active_title_text = "";
   7 var current_subtitle = "";
   8 var daemon_enabled = false;
   9 var daemon_refresh_only = false;
  10 var _qfd_deleted_feed = 0;
  11 var firsttime_update = true;
  12 var last_refetch = 0;
  13 var cookie_lifetime = 0;
  14 var active_feed_id = 0;
  15 var active_feed_is_cat = false;
  16 var number_of_feeds = 0;
  17 var sanity_check_done = false;
  18
  19 var xmlhttp = Ajax.getTransport();
  20 var xmlhttp_ctr = Ajax.getTransport();
  21
  22 var init_params = new Object();
  23
  24 function tagsAreDisplayed() {
  25         return display_tags;
  26 }
  27
  28 function toggleTags(show_all) {
  29
  30         try {
  31
  32         debug("toggleTags: " + show_all + "; " + display_tags);
  33
  34         var p = document.getElementById("dispSwitchPrompt");
  35
  36         if (!show_all && !display_tags) {
  37                 displayDlg("printTagCloud");
  38         } else if (show_all) {
  39                 closeInfoBox();
  40                 display_tags = true;
  41                 p.innerHTML = __("display feeds");
  42                 notify_progress("Loading, please wait...", true);
  43                 updateFeedList();
  44         } else if (display_tags) {
  45                 display_tags = false;
  46                 p.innerHTML = __("tag cloud");
  47                 notify_progress("Loading, please wait...", true);
  48                 updateFeedList();
  49         }
  50
  51         } catch (e) {
  52                 exception_error("toggleTags", e);
  53         }
  54 }
  55
  56 function dlg_frefresh_callback() {
  57         if (xmlhttp.readyState == 4) {
  58 //              notify(xmlhttp.responseText);
  59
  60                 if (getActiveFeedId() == _qfd_deleted_feed) {
  61                         var h = document.getElementById("headlines-frame");
  62                         if (h) {
  63                                 h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  64                         }
  65                 }
  66
  67                 setTimeout('updateFeedList(false, false)', 50);
  68                 closeInfoBox();
  69         }
  70 }
  71
  72 function refetch_callback() {
  73         if (xmlhttp_ctr.readyState == 4) {
  74                 try {
  75
  76                         var date = new Date();
  77
  78                         last_refetch = date.getTime() / 1000;
  79
  80                         parse_counters_reply(xmlhttp_ctr, true);
  81
  82                         debug("refetch_callback: done");
  83
  84                         if (!daemon_enabled && !daemon_refresh_only) {
  85                                 notify_info("All feeds updated.");
  86                                 updateTitle("");
  87                         } else {
  88                                 //notify("");
  89                         }
  90                 } catch (e) {
  91                         exception_error("refetch_callback", e);
  92                         updateTitle("");
  93                 }
  94         }
  95 }
  96
  97 function backend_sanity_check_callback() {
  98
  99         if (xmlhttp.readyState == 4) {
 100
 101                 try {
 102
 103                         if (sanity_check_done) {
 104                                 fatalError(11, "Sanity check request received twice. This can indicate "+
 105                               "presence of Firebug or some other disrupting extension. "+
 106                                         "Please disable it and try again.");
 107                                 return;
 108                         }
 109
 110                         if (!xmlhttp.responseXML) {
 111                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 112                                 return;
 113                         }
 114
 115                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 116
 117                         if (!reply) {
 118                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 119                                 return;
 120                         }
 121
 122                         var error_code = reply.getAttribute("error-code");
 123
 124                         if (error_code && error_code != 0) {
 125                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 126                         }
 127
 128                         debug("sanity check ok");
 129
 130                         var params = reply.nextSibling;
 131
 132                         if (params) {
 133                                 debug('reading init-params...');
 134                                 var param = params.firstChild;
 135
 136                                 while (param) {
 137                                         var k = param.getAttribute("key");
 138                                         var v = param.getAttribute("value");
 139                                         debug(k + " => " + v);
 140                                         init_params[k] = v;
 141                                         param = param.nextSibling;
 142                                 }
 143                         }
 144
 145                         sanity_check_done = true;
 146
 147                         init_second_stage();
 148
 149                 } catch (e) {
 150                         exception_error("backend_sanity_check_callback", e);
 151                 }
 152         }
 153 }
 154
 155 function scheduleFeedUpdate(force) {
 156
 157         if (!daemon_enabled && !daemon_refresh_only) {
 158                 notify_progress("Updating feeds, please wait.", true);
 159                 updateTitle("Updating");
 160         }
 161
 162         var query_str = "backend.php?op=rpc&subop=";
 163
 164         if (force) {
 165                 query_str = query_str + "forceUpdateAllFeeds";
 166         } else {
 167                 query_str = query_str + "updateAllFeeds";
 168         }
 169
 170         var omode;
 171
 172         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 173                 firsttime_update = false;
 174                 omode = "T";
 175         } else {
 176                 if (display_tags) {
 177                         omode = "tl";
 178                 } else {
 179                         omode = "flc";
 180                 }
 181         }
 182
 183         query_str = query_str + "&omode=" + omode;
 184         query_str = query_str + "&uctr=" + global_unread;
 185
 186         debug("in scheduleFeedUpdate");
 187
 188         var date = new Date();
 189
 190         var timestamp = Math.round(date.getTime() / 1000);
 191         query_str = query_str + "&ts=" + timestamp
 192
 193         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 194                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 195                 xmlhttp_ctr.abort();
 196                 if (is_safari()) {
 197                         xmlhttp_ctr = Ajax.getTransport();
 198                 }
 199         }
 200
 201         debug("REFETCH query: " + query_str);
 202
 203         if (xmlhttp_ready(xmlhttp_ctr)) {
 204                 xmlhttp_ctr.open("GET", query_str, true);
 205                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 206                 xmlhttp_ctr.send(null);
 207         } else {
 208                 debug("xmlhttp_ctr busy");
 209                 //printLockingError();
 210         }
 211 }
 212
 213 function updateFeedList(silent, fetch) {
 214
 215 //      if (silent != true) {
 216 //              notify("Loading feed list...");
 217 //      }
 218
 219         debug("<b>updateFeedList</b>");
 220
 221         var query_str = "backend.php?op=feeds";
 222
 223         if (display_tags) {
 224                 query_str = query_str + "&tags=1";
 225         }
 226
 227         if (getActiveFeedId() && !activeFeedIsCat()) {
 228                 query_str = query_str + "&actid=" + getActiveFeedId();
 229         }
 230
 231         var date = new Date();
 232         var timestamp = Math.round(date.getTime() / 1000);
 233         query_str = query_str + "&ts=" + timestamp
 234
 235         if (fetch) query_str = query_str + "&fetch=yes";
 236
 237 //      var feeds_frame = document.getElementById("feeds-frame");
 238 //      feeds_frame.src = query_str;
 239
 240         debug("updateFeedList Q=" + query_str);
 241
 242         if (xmlhttp_ready(xmlhttp)) {
 243                 xmlhttp.open("GET", query_str, true);
 244                 xmlhttp.onreadystatechange=feedlist_callback;
 245                 xmlhttp.send(null);
 246         } else {
 247                 debug("xmlhttp busy");
 248                 //printLockingError();
 249         }
 250
 251 }
 252
 253 function catchupAllFeeds() {
 254
 255         var query_str = "backend.php?op=feeds&subop=catchupAll";
 256
 257         notify_progress("Marking all feeds as read...");
 258
 259         debug("catchupAllFeeds Q=" + query_str);
 260
 261         if (xmlhttp_ready(xmlhttp)) {
 262                 xmlhttp.open("GET", query_str, true);
 263                 xmlhttp.onreadystatechange=feedlist_callback;
 264                 xmlhttp.send(null);
 265         } else {
 266                 debug("xmlhttp busy");
 267                 //printLockingError();
 268         }
 269
 270         global_unread = 0;
 271         updateTitle("");
 272
 273 }
 274
 275 function viewCurrentFeed(subop) {
 276
 277 //      if (getActiveFeedId()) {
 278         if (getActiveFeedId() != undefined) {
 279                 viewfeed(getActiveFeedId(), subop);
 280         } else {
 281                 disableContainerChildren("headlinesToolbar", false, document);
 282 //              viewfeed(-1, subop); // FIXME
 283         }
 284         return false; // block unneeded form submits
 285 }
 286
 287 function viewfeed(feed, subop) {
 288         var f = window.frames["feeds-frame"];
 289         f.viewfeed(feed, subop);
 290 }
 291
 292 function timeout() {
 293         scheduleFeedUpdate(false);
 294
 295         var refresh_time = getInitParam("feeds_frame_refresh");
 296
 297         if (!refresh_time) refresh_time = 600;
 298
 299         setTimeout("timeout()", refresh_time*1000);
 300 }
 301
 302 function resetSearch() {
 303         var searchbox = document.getElementById("searchbox")
 304
 305         if (searchbox.value != "" && getActiveFeedId()) {
 306                 searchbox.value = "";
 307                 viewfeed(getActiveFeedId(), "");
 308         }
 309 }
 310
 311 function searchCancel() {
 312         closeInfoBox(true);
 313 }
 314
 315 function search() {
 316         closeInfoBox();
 317         viewCurrentFeed(0, "");
 318 }
 319
 320 function localPiggieFunction(enable) {
 321         if (enable) {
 322                 var query_str = "backend.php?op=feeds&subop=piggie";
 323
 324                 if (xmlhttp_ready(xmlhttp)) {
 325
 326                         xmlhttp.open("GET", query_str, true);
 327                         xmlhttp.onreadystatechange=feedlist_callback;
 328                         xmlhttp.send(null);
 329                 }
 330         }
 331 }
 332
 333 // if argument is undefined, current subtitle is not updated
 334 // use blank string to clear subtitle
 335 function updateTitle(s) {
 336         var tmp = "Tiny Tiny RSS";
 337
 338         if (s != undefined) {
 339                 current_subtitle = s;
 340         }
 341
 342         if (global_unread > 0) {
 343                 tmp = tmp + " (" + global_unread + ")";
 344         }
 345
 346         if (current_subtitle) {
 347                 tmp = tmp + " - " + current_subtitle;
 348         }
 349
 350         if (active_title_text.length > 0) {
 351                 tmp = tmp + " > " + active_title_text;
 352         }
 353
 354         document.title = tmp;
 355 }
 356
 357 function genericSanityCheck() {
 358
 359         if (!xmlhttp) fatalError(1);
 360
 361         setCookie("ttrss_vf_test", "TEST");
 362
 363         if (getCookie("ttrss_vf_test") != "TEST") {
 364                 fatalError(2);
 365         }
 366
 367         return true;
 368 }
 369
 370 function init() {
 371
 372         try {
 373
 374                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 375
 376                 if (arguments.callee.done) return;
 377                 arguments.callee.done = true;
 378
 379                 disableContainerChildren("headlinesToolbar", true);
 380
 381                 Form.disable("main_toolbar_form");
 382
 383                 if (!genericSanityCheck())
 384                         return;
 385
 386                 if (getURLParam('debug')) {
 387                         document.getElementById('debug_output').style.display = 'block';
 388                         debug('debug mode activated');
 389                 }
 390
 391                 var params = "&ua=" + param_escape(navigator.userAgent);
 392
 393                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 394                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 395                 xmlhttp.send(null);
 396
 397         } catch (e) {
 398                 exception_error("init", e);
 399         }
 400 }
 401
 402 function resize_headlines() {
 403
 404         var h_frame = document.getElementById("headlines-frame");
 405         var c_frame = document.getElementById("content-frame");
 406         var f_frame = document.getElementById("footer");
 407
 408         if (!c_frame || !h_frame) return;
 409
 410         debug("resize_headlines");
 411
 412         if (!is_msie()) {
 413                 h_frame.style.height = 30 + "%";
 414                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 415                 h_frame.style.height = h_frame.offsetHeight + "px";
 416         } else {
 417                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 418                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 419
 420                 var c_bottom = document.documentElement.clientHeight;
 421
 422                 if (f_frame) {
 423                         c_bottom = f_frame.offsetTop;
 424                 }
 425
 426                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 427                         h_frame.offsetHeight + 1) + "px";
 428                 h_frame.style.height = h_frame.offsetHeight + "px";
 429
 430         }
 431 }
 432
 433 function init_second_stage() {
 434
 435         try {
 436
 437                 cookie_lifetime = getCookie("ttrss_cltime");
 438
 439                 delCookie("ttrss_vf_test");
 440
 441 //              document.onresize = resize_headlines;
 442                 resize_headlines();
 443
 444                 var toolbar = document.forms["main_toolbar_form"];
 445
 446                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 447                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 448
 449                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 450                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 451
 452                 setTimeout('updateFeedList(false, false)', 50);
 453
 454                 debug("second stage ok");
 455
 456         } catch (e) {
 457                 exception_error("init_second_stage", e);
 458         }
 459 }
 460
 461 function quickMenuChange() {
 462         var chooser = document.getElementById("quickMenuChooser");
 463         var opid = chooser[chooser.selectedIndex].value;
 464
 465         chooser.selectedIndex = 0;
 466         quickMenuGo(opid);
 467 }
 468
 469 function quickMenuGo(opid) {
 470         try {
 471
 472                 if (opid == "qmcPrefs") {
 473                         gotoPreferences();
 474                 }
 475
 476                 if (opid == "qmcSearch") {
 477                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 478                         return;
 479                 }
 480
 481                 if (opid == "qmcAddFeed") {
 482                         displayDlg("quickAddFeed");
 483                         return;
 484                 }
 485
 486                 if (opid == "qmcEditFeed") {
 487                         editFeedDlg(getActiveFeedId());
 488                 }
 489
 490                 if (opid == "qmcRemoveFeed") {
 491                         var actid = getActiveFeedId();
 492
 493                         if (activeFeedIsCat()) {
 494                                 alert(__("You can't unsubscribe from the category."));
 495                                 return;
 496                         }
 497
 498                         if (!actid) {
 499                                 alert(__("Please select some feed first."));
 500                                 return;
 501                         }
 502
 503                         var fn = getFeedName(actid);
 504
 505                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 506
 507                         if (confirm(pr)) {
 508                                 qfdDelete(actid);
 509                         }
 510
 511                         return;
 512                 }
 513
 514                 if (opid == "qmcUpdateFeeds") {
 515                         scheduleFeedUpdate(true);
 516                         return;
 517                 }
 518
 519                 if (opid == "qmcCatchupAll") {
 520                         catchupAllFeeds();
 521                         return;
 522                 }
 523
 524                 if (opid == "qmcShowOnlyUnread") {
 525                         toggleDispRead();
 526                         return;
 527                 }
 528
 529                 if (opid == "qmcAddFilter") {
 530                         displayDlg("quickAddFilter", getActiveFeedId());
 531                 }
 532
 533         } catch (e) {
 534                 exception_error("quickMenuGo", e);
 535         }
 536 }
 537
 538 function qfdDelete(feed_id) {
 539
 540         notify_progress("Removing feed...");
 541
 542         if (!xmlhttp_ready(xmlhttp)) {
 543                 printLockingError();
 544                 return
 545         }
 546
 547         _qfd_deleted_feed = feed_id;
 548
 549         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 550         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 551         xmlhttp.send(null);
 552
 553         return false;
 554 }
 555
 556
 557 function updateFeedTitle(t) {
 558         active_title_text = t;
 559         updateTitle();
 560 }
 561
 562 function toggleDispRead() {
 563         try {
 564
 565                 if (!xmlhttp_ready(xmlhttp)) {
 566                         printLockingError();
 567                         return
 568                 }
 569
 570                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 571
 572                 hide_read_feeds = !hide_read_feeds;
 573
 574                 debug("toggle_disp_read => " + hide_read_feeds);
 575
 576                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 577
 578                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 579
 580 /*              var query = "backend.php?op=rpc&subop=setpref" +
 581                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 582
 583                 new Ajax.Request(query); */
 584
 585         } catch (e) {
 586                 exception_error("toggleDispRead", e);
 587         }
 588 }
 589
 590 function parse_runtime_info(elem) {
 591         if (!elem) {
 592                 debug("parse_runtime_info: elem is null, aborting");
 593                 return;
 594         }
 595
 596         var param = elem.firstChild;
 597
 598         debug("parse_runtime_info: " + param);
 599
 600         while (param) {
 601                 var k = param.getAttribute("key");
 602                 var v = param.getAttribute("value");
 603
 604                 debug("RI: " + k + " => " + v);
 605
 606                 if (k == "new_version_available") {
 607                         var icon = document.getElementById("newVersionIcon");
 608                         if (icon) {
 609                                 if (v == "1") {
 610                                         icon.style.display = "inline";
 611                                 } else {
 612                                         icon.style.display = "none";
 613                                 }
 614                         }
 615                 }
 616
 617                 var error_flag;
 618
 619                 if (k == "daemon_is_running" && v != 1) {
 620                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 621                         error_flag = true;
 622                 }
 623
 624                 if (k == "daemon_stamp_ok" && v != 1) {
 625                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 626                         error_flag = true;
 627                 }
 628
 629                 if (!error_flag) {
 630                         notify('');
 631                 }
 632
 633 /*              var w = document.getElementById("noDaemonWarning");
 634
 635                 if (w) {
 636                         if (k == "daemon_is_running" && v != 1) {
 637                                 w.style.display = "block";
 638                         } else {
 639                                 w.style.display = "none";
 640                         }
 641                 } */
 642                 param = param.nextSibling;
 643         }
 644 }
 645
 646 function catchupCurrentFeed() {
 647
 648         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 649
 650         var str = "Mark all articles in " + fn + " as read?";
 651
 652 /*      if (active_feed_is_cat) {
 653                 str = "Mark all articles in this category as read?";
 654         } */
 655
 656         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 657                 return viewCurrentFeed('MarkAllRead')
 658         }
 659 }
 660
 661 function userSwitch() {
 662         var chooser = document.getElementById("userSwitch");
 663         var user = chooser[chooser.selectedIndex].value;
 664         window.location = "tt-rss.php?swu=" + user;
 665 }
 666
 667 function editFeedDlg(feed) {
 668
 669         disableHotkeys();
 670
 671         if (!feed) {
 672                 alert(__("Please select some feed first."));
 673                 return;
 674         }
 675
 676         if (feed <= 0 || activeFeedIsCat() || tagsAreDisplayed()) {
 677                 alert(__("You can't edit this kind of feed."));
 678                 return;
 679         }
 680
 681         if (xmlhttp_ready(xmlhttp)) {
 682                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 683                         param_escape(feed), true);
 684                 xmlhttp.onreadystatechange=infobox_callback;
 685                 xmlhttp.send(null);
 686         } else {
 687                 printLockingError();
 688         }
 689 }
 690
 691 /* this functions duplicate those of prefs.js feed editor, with
 692         some differences because there is no feedlist */
 693
 694 function feedEditCancel() {
 695         closeInfoBox();
 696         return false;
 697 }
 698
 699 function feedEditSave() {
 700
 701         try {
 702
 703                 if (!xmlhttp_ready(xmlhttp)) {
 704                         printLockingError();
 705                         return
 706                 }
 707
 708                 // FIXME: add parameter validation
 709
 710                 var query = Form.serialize("edit_feed_form");
 711
 712                 notify_progress("Saving feed...");
 713
 714                 xmlhttp.open("POST", "backend.php", true);
 715                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 716                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 717                 xmlhttp.send(query);
 718
 719                 closeInfoBox();
 720
 721                 return false;
 722
 723         } catch (e) {
 724                 exception_error("feedEditSave (main)", e);
 725         }
 726 }
 727
 728