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 cookie_lifetime = 0;
  13 var active_feed_id = 0;
  14 var active_feed_is_cat = false;
  15 var number_of_feeds = 0;
  16 var sanity_check_done = false;
  17
  18 var xmlhttp = Ajax.getTransport();
  19
  20 var init_params = new Object();
  21
  22 function tagsAreDisplayed() {
  23         return display_tags;
  24 }
  25
  26 function toggleTags(show_all) {
  27
  28         try {
  29
  30         debug("toggleTags: " + show_all + "; " + display_tags);
  31
  32         var p = document.getElementById("dispSwitchPrompt");
  33
  34         if (!show_all && !display_tags) {
  35                 displayDlg("printTagCloud");
  36         } else if (show_all) {
  37                 closeInfoBox();
  38                 display_tags = true;
  39                 p.innerHTML = __("display feeds");
  40                 notify_progress("Loading, please wait...", true);
  41                 updateFeedList();
  42         } else if (display_tags) {
  43                 display_tags = false;
  44                 p.innerHTML = __("tag cloud");
  45                 notify_progress("Loading, please wait...", true);
  46                 updateFeedList();
  47         }
  48
  49         } catch (e) {
  50                 exception_error("toggleTags", e);
  51         }
  52 }
  53
  54 function dlg_frefresh_callback() {
  55         if (xmlhttp.readyState == 4) {
  56 //              notify(xmlhttp.responseText);
  57
  58                 if (getActiveFeedId() == _qfd_deleted_feed) {
  59                         var h = document.getElementById("headlines-frame");
  60                         if (h) {
  61                                 h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
  62                         }
  63                 }
  64
  65                 setTimeout('updateFeedList(false, false)', 50);
  66                 closeInfoBox();
  67         }
  68 }
  69
  70 function refetch_callback2(transport) {
  71         try {
  72
  73                 var date = new Date();
  74
  75                 parse_counters_reply(transport, true);
  76
  77                 debug("refetch_callback2: done");
  78
  79                 if (!daemon_enabled && !daemon_refresh_only) {
  80                         notify_info("All feeds updated.");
  81                         updateTitle("");
  82                 } else {
  83                         //notify("");
  84                 }
  85         } catch (e) {
  86                 exception_error("refetch_callback", e);
  87                 updateTitle("");
  88         }
  89 }
  90
  91 function backend_sanity_check_callback() {
  92
  93         if (xmlhttp.readyState == 4) {
  94
  95                 try {
  96
  97                         if (sanity_check_done) {
  98                                 fatalError(11, "Sanity check request received twice. This can indicate "+
  99                               "presence of Firebug or some other disrupting extension. "+
 100                                         "Please disable it and try again.");
 101                                 return;
 102                         }
 103
 104                         if (!xmlhttp.responseXML) {
 105                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 106                                 return;
 107                         }
 108
 109                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 110
 111                         if (!reply) {
 112                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 113                                 return;
 114                         }
 115
 116                         var error_code = reply.getAttribute("error-code");
 117
 118                         if (error_code && error_code != 0) {
 119                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 120                         }
 121
 122                         debug("sanity check ok");
 123
 124                         var params = reply.nextSibling;
 125
 126                         if (params) {
 127                                 debug('reading init-params...');
 128                                 var param = params.firstChild;
 129
 130                                 while (param) {
 131                                         var k = param.getAttribute("key");
 132                                         var v = param.getAttribute("value");
 133                                         debug(k + " => " + v);
 134                                         init_params[k] = v;
 135                                         param = param.nextSibling;
 136                                 }
 137                         }
 138
 139                         sanity_check_done = true;
 140
 141                         init_second_stage();
 142
 143                 } catch (e) {
 144                         exception_error("backend_sanity_check_callback", e);
 145                 }
 146         }
 147 }
 148
 149 function scheduleFeedUpdate(force) {
 150
 151         debug("in scheduleFeedUpdate");
 152
 153         if (!daemon_enabled && !daemon_refresh_only) {
 154                 notify_progress("Updating feeds...", true);
 155         }
 156
 157         var query_str = "backend.php?op=rpc&subop=";
 158
 159         if (force) {
 160                 query_str = query_str + "forceUpdateAllFeeds";
 161         } else {
 162                 query_str = query_str + "updateAllFeeds";
 163         }
 164
 165         var omode;
 166
 167         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 168                 firsttime_update = false;
 169                 omode = "T";
 170         } else {
 171                 if (display_tags) {
 172                         omode = "tl";
 173                 } else {
 174                         omode = "flc";
 175                 }
 176         }
 177
 178         query_str = query_str + "&omode=" + omode;
 179         query_str = query_str + "&uctr=" + global_unread;
 180
 181         var date = new Date();
 182         var timestamp = Math.round(date.getTime() / 1000);
 183         query_str = query_str + "&ts=" + timestamp
 184
 185         debug("REFETCH query: " + query_str);
 186
 187         new Ajax.Request(query_str, {
 188                 onComplete: function(transport) {
 189                                 refetch_callback2(transport);
 190                         } });
 191 }
 192
 193 function updateFeedList(silent, fetch) {
 194
 195 //      if (silent != true) {
 196 //              notify("Loading feed list...");
 197 //      }
 198
 199         debug("<b>updateFeedList</b>");
 200
 201         var query_str = "backend.php?op=feeds";
 202
 203         if (display_tags) {
 204                 query_str = query_str + "&tags=1";
 205         }
 206
 207         if (getActiveFeedId() && !activeFeedIsCat()) {
 208                 query_str = query_str + "&actid=" + getActiveFeedId();
 209         }
 210
 211         var date = new Date();
 212         var timestamp = Math.round(date.getTime() / 1000);
 213         query_str = query_str + "&ts=" + timestamp
 214
 215         if (fetch) query_str = query_str + "&fetch=yes";
 216
 217 //      var feeds_frame = document.getElementById("feeds-frame");
 218 //      feeds_frame.src = query_str;
 219
 220         debug("updateFeedList Q=" + query_str);
 221
 222         if (xmlhttp_ready(xmlhttp)) {
 223                 xmlhttp.open("GET", query_str, true);
 224                 xmlhttp.onreadystatechange=feedlist_callback;
 225                 xmlhttp.send(null);
 226         } else {
 227                 debug("xmlhttp busy");
 228                 //printLockingError();
 229         }
 230
 231 }
 232
 233 function catchupAllFeeds() {
 234
 235         var query_str = "backend.php?op=feeds&subop=catchupAll";
 236
 237         notify_progress("Marking all feeds as read...");
 238
 239         debug("catchupAllFeeds Q=" + query_str);
 240
 241         if (xmlhttp_ready(xmlhttp)) {
 242                 xmlhttp.open("GET", query_str, true);
 243                 xmlhttp.onreadystatechange=feedlist_callback;
 244                 xmlhttp.send(null);
 245         } else {
 246                 debug("xmlhttp busy");
 247                 //printLockingError();
 248         }
 249
 250         global_unread = 0;
 251         updateTitle("");
 252
 253 }
 254
 255 function viewCurrentFeed(subop) {
 256
 257 //      if (getActiveFeedId()) {
 258         if (getActiveFeedId() != undefined) {
 259                 viewfeed(getActiveFeedId(), subop);
 260         } else {
 261                 disableContainerChildren("headlinesToolbar", false, document);
 262 //              viewfeed(-1, subop); // FIXME
 263         }
 264         return false; // block unneeded form submits
 265 }
 266
 267 function viewfeed(feed, subop) {
 268         var f = window.frames["feeds-frame"];
 269         f.viewfeed(feed, subop);
 270 }
 271
 272 function timeout() {
 273         scheduleFeedUpdate(false);
 274
 275         var refresh_time = getInitParam("feeds_frame_refresh");
 276
 277         if (!refresh_time) refresh_time = 600;
 278
 279         setTimeout("timeout()", refresh_time*1000);
 280 }
 281
 282 function resetSearch() {
 283         var searchbox = document.getElementById("searchbox")
 284
 285         if (searchbox.value != "" && getActiveFeedId()) {
 286                 searchbox.value = "";
 287                 viewfeed(getActiveFeedId(), "");
 288         }
 289 }
 290
 291 function searchCancel() {
 292         closeInfoBox(true);
 293 }
 294
 295 function search() {
 296         closeInfoBox();
 297         viewCurrentFeed(0, "");
 298 }
 299
 300 function localPiggieFunction(enable) {
 301         if (enable) {
 302                 var query_str = "backend.php?op=feeds&subop=piggie";
 303
 304                 if (xmlhttp_ready(xmlhttp)) {
 305
 306                         xmlhttp.open("GET", query_str, true);
 307                         xmlhttp.onreadystatechange=feedlist_callback;
 308                         xmlhttp.send(null);
 309                 }
 310         }
 311 }
 312
 313 // if argument is undefined, current subtitle is not updated
 314 // use blank string to clear subtitle
 315 function updateTitle(s) {
 316         var tmp = "Tiny Tiny RSS";
 317
 318         if (s != undefined) {
 319                 current_subtitle = s;
 320         }
 321
 322         if (global_unread > 0) {
 323                 tmp = tmp + " (" + global_unread + ")";
 324         }
 325
 326         if (current_subtitle) {
 327                 tmp = tmp + " - " + current_subtitle;
 328         }
 329
 330         if (active_title_text.length > 0) {
 331                 tmp = tmp + " > " + active_title_text;
 332         }
 333
 334         document.title = tmp;
 335 }
 336
 337 function genericSanityCheck() {
 338
 339         if (!xmlhttp) fatalError(1);
 340
 341         setCookie("ttrss_vf_test", "TEST");
 342
 343         if (getCookie("ttrss_vf_test") != "TEST") {
 344                 fatalError(2);
 345         }
 346
 347         return true;
 348 }
 349
 350 function init() {
 351
 352         try {
 353
 354                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 355
 356                 if (arguments.callee.done) return;
 357                 arguments.callee.done = true;
 358
 359                 disableContainerChildren("headlinesToolbar", true);
 360
 361                 Form.disable("main_toolbar_form");
 362
 363                 if (!genericSanityCheck())
 364                         return;
 365
 366                 if (getURLParam('debug')) {
 367                         document.getElementById('debug_output').style.display = 'block';
 368                         debug('debug mode activated');
 369                 }
 370
 371                 var params = "&ua=" + param_escape(navigator.userAgent);
 372
 373                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 374                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 375                 xmlhttp.send(null);
 376
 377         } catch (e) {
 378                 exception_error("init", e);
 379         }
 380 }
 381
 382 function resize_headlines() {
 383
 384         var h_frame = document.getElementById("headlines-frame");
 385         var c_frame = document.getElementById("content-frame");
 386         var f_frame = document.getElementById("footer");
 387
 388         if (!c_frame || !h_frame) return;
 389
 390         debug("resize_headlines");
 391
 392         if (!is_msie()) {
 393                 h_frame.style.height = 30 + "%";
 394                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 395                 h_frame.style.height = h_frame.offsetHeight + "px";
 396         } else {
 397                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 398                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 399
 400                 var c_bottom = document.documentElement.clientHeight;
 401
 402                 if (f_frame) {
 403                         c_bottom = f_frame.offsetTop;
 404                 }
 405
 406                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 407                         h_frame.offsetHeight + 1) + "px";
 408                 h_frame.style.height = h_frame.offsetHeight + "px";
 409
 410         }
 411 }
 412
 413 function init_second_stage() {
 414
 415         try {
 416
 417                 cookie_lifetime = getCookie("ttrss_cltime");
 418
 419                 delCookie("ttrss_vf_test");
 420
 421 //              document.onresize = resize_headlines;
 422                 resize_headlines();
 423
 424                 var toolbar = document.forms["main_toolbar_form"];
 425
 426                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 427                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 428
 429                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 430                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 431
 432                 setTimeout('updateFeedList(false, false)', 50);
 433
 434                 debug("second stage ok");
 435
 436         } catch (e) {
 437                 exception_error("init_second_stage", e);
 438         }
 439 }
 440
 441 function quickMenuChange() {
 442         var chooser = document.getElementById("quickMenuChooser");
 443         var opid = chooser[chooser.selectedIndex].value;
 444
 445         chooser.selectedIndex = 0;
 446         quickMenuGo(opid);
 447 }
 448
 449 function quickMenuGo(opid) {
 450         try {
 451
 452                 if (opid == "qmcPrefs") {
 453                         gotoPreferences();
 454                 }
 455
 456                 if (opid == "qmcSearch") {
 457                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 458                         return;
 459                 }
 460
 461                 if (opid == "qmcAddFeed") {
 462                         displayDlg("quickAddFeed");
 463                         return;
 464                 }
 465
 466                 if (opid == "qmcEditFeed") {
 467                         editFeedDlg(getActiveFeedId());
 468                 }
 469
 470                 if (opid == "qmcRemoveFeed") {
 471                         var actid = getActiveFeedId();
 472
 473                         if (activeFeedIsCat()) {
 474                                 alert(__("You can't unsubscribe from the category."));
 475                                 return;
 476                         }
 477
 478                         if (!actid) {
 479                                 alert(__("Please select some feed first."));
 480                                 return;
 481                         }
 482
 483                         var fn = getFeedName(actid);
 484
 485                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 486
 487                         if (confirm(pr)) {
 488                                 qfdDelete(actid);
 489                         }
 490
 491                         return;
 492                 }
 493
 494                 if (opid == "qmcUpdateFeeds") {
 495                         scheduleFeedUpdate(true);
 496                         return;
 497                 }
 498
 499                 if (opid == "qmcCatchupAll") {
 500                         catchupAllFeeds();
 501                         return;
 502                 }
 503
 504                 if (opid == "qmcShowOnlyUnread") {
 505                         toggleDispRead();
 506                         return;
 507                 }
 508
 509                 if (opid == "qmcAddFilter") {
 510                         displayDlg("quickAddFilter", getActiveFeedId());
 511                 }
 512
 513         } catch (e) {
 514                 exception_error("quickMenuGo", e);
 515         }
 516 }
 517
 518 function qfdDelete(feed_id) {
 519
 520         notify_progress("Removing feed...");
 521
 522         if (!xmlhttp_ready(xmlhttp)) {
 523                 printLockingError();
 524                 return
 525         }
 526
 527         _qfd_deleted_feed = feed_id;
 528
 529         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 530         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 531         xmlhttp.send(null);
 532
 533         return false;
 534 }
 535
 536
 537 function updateFeedTitle(t) {
 538         active_title_text = t;
 539         updateTitle();
 540 }
 541
 542 function toggleDispRead() {
 543         try {
 544
 545                 if (!xmlhttp_ready(xmlhttp)) {
 546                         printLockingError();
 547                         return
 548                 }
 549
 550                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 551
 552                 hide_read_feeds = !hide_read_feeds;
 553
 554                 debug("toggle_disp_read => " + hide_read_feeds);
 555
 556                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 557
 558                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 559
 560 /*              var query = "backend.php?op=rpc&subop=setpref" +
 561                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 562
 563                 new Ajax.Request(query); */
 564
 565         } catch (e) {
 566                 exception_error("toggleDispRead", e);
 567         }
 568 }
 569
 570 function parse_runtime_info(elem) {
 571         if (!elem) {
 572                 debug("parse_runtime_info: elem is null, aborting");
 573                 return;
 574         }
 575
 576         var param = elem.firstChild;
 577
 578         debug("parse_runtime_info: " + param);
 579
 580         while (param) {
 581                 var k = param.getAttribute("key");
 582                 var v = param.getAttribute("value");
 583
 584                 debug("RI: " + k + " => " + v);
 585
 586                 if (k == "new_version_available") {
 587                         var icon = document.getElementById("newVersionIcon");
 588                         if (icon) {
 589                                 if (v == "1") {
 590                                         icon.style.display = "inline";
 591                                 } else {
 592                                         icon.style.display = "none";
 593                                 }
 594                         }
 595                 }
 596
 597                 var error_flag;
 598
 599                 if (k == "daemon_is_running" && v != 1) {
 600                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 601                         error_flag = true;
 602                 }
 603
 604                 if (k == "daemon_stamp_ok" && v != 1) {
 605                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 606                         error_flag = true;
 607                 }
 608
 609                 if (!error_flag) {
 610                         notify('');
 611                 }
 612
 613 /*              var w = document.getElementById("noDaemonWarning");
 614
 615                 if (w) {
 616                         if (k == "daemon_is_running" && v != 1) {
 617                                 w.style.display = "block";
 618                         } else {
 619                                 w.style.display = "none";
 620                         }
 621                 } */
 622                 param = param.nextSibling;
 623         }
 624 }
 625
 626 function catchupCurrentFeed() {
 627
 628         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 629
 630         var str = "Mark all articles in " + fn + " as read?";
 631
 632 /*      if (active_feed_is_cat) {
 633                 str = "Mark all articles in this category as read?";
 634         } */
 635
 636         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 637                 return viewCurrentFeed('MarkAllRead')
 638         }
 639 }
 640
 641 function userSwitch() {
 642         var chooser = document.getElementById("userSwitch");
 643         var user = chooser[chooser.selectedIndex].value;
 644         window.location = "tt-rss.php?swu=" + user;
 645 }
 646
 647 function editFeedDlg(feed) {
 648         try {
 649
 650                 disableHotkeys();
 651
 652                 if (!feed) {
 653                         alert(__("Please select some feed first."));
 654                         return;
 655                 }
 656
 657                 if ((feed <= 0 && feed > -10) || activeFeedIsCat() || tagsAreDisplayed()) {
 658                         alert(__("You can't edit this kind of feed."));
 659                         return;
 660                 }
 661
 662                 var query = "";
 663
 664                 if (feed > 0) {
 665                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 666                 } else {
 667                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 668                 }
 669
 670                 new Ajax.Request(query, {
 671                         onComplete: function(transport) {
 672                                 infobox_callback2(transport);
 673                         } });
 674
 675         } catch (e) {
 676                 exception_error("editFeedDlg", e);
 677         }
 678 }
 679
 680 /* this functions duplicate those of prefs.js feed editor, with
 681         some differences because there is no feedlist */
 682
 683 function feedEditCancel() {
 684         closeInfoBox();
 685         return false;
 686 }
 687
 688 function feedEditSave() {
 689
 690         try {
 691
 692                 if (!xmlhttp_ready(xmlhttp)) {
 693                         printLockingError();
 694                         return
 695                 }
 696
 697                 // FIXME: add parameter validation
 698
 699                 var query = Form.serialize("edit_feed_form");
 700
 701                 notify_progress("Saving feed...");
 702
 703                 xmlhttp.open("POST", "backend.php", true);
 704                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 705                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 706                 xmlhttp.send(query);
 707
 708                 closeInfoBox();
 709
 710                 return false;
 711
 712         } catch (e) {
 713                 exception_error("feedEditSave (main)", e);
 714         }
 715 }
 716
 717 function labelEditCancel() {
 718         closeInfoBox();
 719         return false;
 720 }
 721
 722 function labelEditSave() {
 723
 724         try {
 725
 726                 if (!xmlhttp_ready(xmlhttp)) {
 727                         printLockingError();
 728                         return
 729                 }
 730
 731                 closeInfoBox();
 732
 733                 notify_progress("Saving label...");
 734
 735                 query = Form.serialize("label_edit_form");
 736
 737                 xmlhttp.open("GET", "backend.php?" + query, true);
 738                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 739                 xmlhttp.send(null);
 740
 741                 return false;
 742
 743         } catch (e) {
 744                 exception_error("feedEditSave (main)", e);
 745         }
 746
 747 }
 748