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         new Ajax.Request(query_str, {
 223                 onComplete: function(transport) {
 224                         feedlist_callback2(transport);
 225                 } });
 226
 227 }
 228
 229 function catchupAllFeeds() {
 230
 231         var query_str = "backend.php?op=feeds&subop=catchupAll";
 232
 233         notify_progress("Marking all feeds as read...");
 234
 235         debug("catchupAllFeeds Q=" + query_str);
 236
 237         new Ajax.Request(query_str, {
 238                 onComplete: function(transport) {
 239                         feedlist_callback2(transport);
 240                 } });
 241
 242         global_unread = 0;
 243         updateTitle("");
 244
 245 }
 246
 247 function viewCurrentFeed(subop) {
 248
 249 //      if (getActiveFeedId()) {
 250         if (getActiveFeedId() != undefined) {
 251                 viewfeed(getActiveFeedId(), subop);
 252         } else {
 253                 disableContainerChildren("headlinesToolbar", false, document);
 254 //              viewfeed(-1, subop); // FIXME
 255         }
 256         return false; // block unneeded form submits
 257 }
 258
 259 function viewfeed(feed, subop) {
 260         var f = window.frames["feeds-frame"];
 261         f.viewfeed(feed, subop);
 262 }
 263
 264 function timeout() {
 265         scheduleFeedUpdate(false);
 266
 267         var refresh_time = getInitParam("feeds_frame_refresh");
 268
 269         if (!refresh_time) refresh_time = 600;
 270
 271         setTimeout("timeout()", refresh_time*1000);
 272 }
 273
 274 function resetSearch() {
 275         var searchbox = document.getElementById("searchbox")
 276
 277         if (searchbox.value != "" && getActiveFeedId()) {
 278                 searchbox.value = "";
 279                 viewfeed(getActiveFeedId(), "");
 280         }
 281 }
 282
 283 function searchCancel() {
 284         closeInfoBox(true);
 285 }
 286
 287 function search() {
 288         closeInfoBox();
 289         viewCurrentFeed(0, "");
 290 }
 291
 292 // if argument is undefined, current subtitle is not updated
 293 // use blank string to clear subtitle
 294 function updateTitle(s) {
 295         var tmp = "Tiny Tiny RSS";
 296
 297         if (s != undefined) {
 298                 current_subtitle = s;
 299         }
 300
 301         if (global_unread > 0) {
 302                 tmp = tmp + " (" + global_unread + ")";
 303         }
 304
 305         if (current_subtitle) {
 306                 tmp = tmp + " - " + current_subtitle;
 307         }
 308
 309         if (active_title_text.length > 0) {
 310                 tmp = tmp + " > " + active_title_text;
 311         }
 312
 313         document.title = tmp;
 314 }
 315
 316 function genericSanityCheck() {
 317
 318         if (!xmlhttp) fatalError(1);
 319
 320         setCookie("ttrss_vf_test", "TEST");
 321
 322         if (getCookie("ttrss_vf_test") != "TEST") {
 323                 fatalError(2);
 324         }
 325
 326         return true;
 327 }
 328
 329 function init() {
 330
 331         try {
 332
 333                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 334
 335                 if (arguments.callee.done) return;
 336                 arguments.callee.done = true;
 337
 338                 disableContainerChildren("headlinesToolbar", true);
 339
 340                 Form.disable("main_toolbar_form");
 341
 342                 if (!genericSanityCheck())
 343                         return;
 344
 345                 if (getURLParam('debug')) {
 346                         document.getElementById('debug_output').style.display = 'block';
 347                         debug('debug mode activated');
 348                 }
 349
 350                 var params = "&ua=" + param_escape(navigator.userAgent);
 351
 352                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
 353                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 354                 xmlhttp.send(null);
 355
 356         } catch (e) {
 357                 exception_error("init", e);
 358         }
 359 }
 360
 361 function resize_headlines() {
 362
 363         var h_frame = document.getElementById("headlines-frame");
 364         var c_frame = document.getElementById("content-frame");
 365         var f_frame = document.getElementById("footer");
 366
 367         if (!c_frame || !h_frame) return;
 368
 369         debug("resize_headlines");
 370
 371         if (!is_msie()) {
 372                 h_frame.style.height = 30 + "%";
 373                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 374                 h_frame.style.height = h_frame.offsetHeight + "px";
 375         } else {
 376                 h_frame.style.height = document.documentElement.clientHeight * 0.3 + "px";
 377                 c_frame.style.top = h_frame.offsetTop + h_frame.offsetHeight + 1 + "px";
 378
 379                 var c_bottom = document.documentElement.clientHeight;
 380
 381                 if (f_frame) {
 382                         c_bottom = f_frame.offsetTop;
 383                 }
 384
 385                 c_frame.style.height = c_bottom - (h_frame.offsetTop +
 386                         h_frame.offsetHeight + 1) + "px";
 387                 h_frame.style.height = h_frame.offsetHeight + "px";
 388
 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 //              document.onresize = resize_headlines;
 401                 resize_headlines();
 402
 403                 var toolbar = document.forms["main_toolbar_form"];
 404
 405                 dropboxSelect(toolbar.view_mode, getInitParam("default_view_mode"));
 406                 dropboxSelect(toolbar.limit, getInitParam("default_view_limit"));
 407
 408                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 409                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 410
 411                 setTimeout('updateFeedList(false, false)', 50);
 412
 413                 debug("second stage ok");
 414
 415         } catch (e) {
 416                 exception_error("init_second_stage", e);
 417         }
 418 }
 419
 420 function quickMenuChange() {
 421         var chooser = document.getElementById("quickMenuChooser");
 422         var opid = chooser[chooser.selectedIndex].value;
 423
 424         chooser.selectedIndex = 0;
 425         quickMenuGo(opid);
 426 }
 427
 428 function quickMenuGo(opid) {
 429         try {
 430
 431                 if (opid == "qmcPrefs") {
 432                         gotoPreferences();
 433                 }
 434
 435                 if (opid == "qmcSearch") {
 436                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 437                         return;
 438                 }
 439
 440                 if (opid == "qmcAddFeed") {
 441                         displayDlg("quickAddFeed");
 442                         return;
 443                 }
 444
 445                 if (opid == "qmcEditFeed") {
 446                         editFeedDlg(getActiveFeedId());
 447                 }
 448
 449                 if (opid == "qmcRemoveFeed") {
 450                         var actid = getActiveFeedId();
 451
 452                         if (activeFeedIsCat()) {
 453                                 alert(__("You can't unsubscribe from the category."));
 454                                 return;
 455                         }
 456
 457                         if (!actid) {
 458                                 alert(__("Please select some feed first."));
 459                                 return;
 460                         }
 461
 462                         var fn = getFeedName(actid);
 463
 464                         var pr = __("Unsubscribe from %s?").replace("%s", fn);
 465
 466                         if (confirm(pr)) {
 467                                 qfdDelete(actid);
 468                         }
 469
 470                         return;
 471                 }
 472
 473                 if (opid == "qmcUpdateFeeds") {
 474                         scheduleFeedUpdate(true);
 475                         return;
 476                 }
 477
 478                 if (opid == "qmcCatchupAll") {
 479                         catchupAllFeeds();
 480                         return;
 481                 }
 482
 483                 if (opid == "qmcShowOnlyUnread") {
 484                         toggleDispRead();
 485                         return;
 486                 }
 487
 488                 if (opid == "qmcAddFilter") {
 489                         displayDlg("quickAddFilter", getActiveFeedId());
 490                 }
 491
 492         } catch (e) {
 493                 exception_error("quickMenuGo", e);
 494         }
 495 }
 496
 497 function qfdDelete(feed_id) {
 498
 499         notify_progress("Removing feed...");
 500
 501         if (!xmlhttp_ready(xmlhttp)) {
 502                 printLockingError();
 503                 return
 504         }
 505
 506         _qfd_deleted_feed = feed_id;
 507
 508         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 509         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 510         xmlhttp.send(null);
 511
 512         return false;
 513 }
 514
 515
 516 function updateFeedTitle(t) {
 517         active_title_text = t;
 518         updateTitle();
 519 }
 520
 521 function toggleDispRead() {
 522         try {
 523
 524                 if (!xmlhttp_ready(xmlhttp)) {
 525                         printLockingError();
 526                         return
 527                 }
 528
 529                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 530
 531                 hide_read_feeds = !hide_read_feeds;
 532
 533                 debug("toggle_disp_read => " + hide_read_feeds);
 534
 535                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 536
 537                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 538
 539 /*              var query = "backend.php?op=rpc&subop=setpref" +
 540                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 541
 542                 new Ajax.Request(query); */
 543
 544         } catch (e) {
 545                 exception_error("toggleDispRead", e);
 546         }
 547 }
 548
 549 function parse_runtime_info(elem) {
 550         if (!elem) {
 551                 debug("parse_runtime_info: elem is null, aborting");
 552                 return;
 553         }
 554
 555         var param = elem.firstChild;
 556
 557         debug("parse_runtime_info: " + param);
 558
 559         while (param) {
 560                 var k = param.getAttribute("key");
 561                 var v = param.getAttribute("value");
 562
 563                 debug("RI: " + k + " => " + v);
 564
 565                 if (k == "new_version_available") {
 566                         var icon = document.getElementById("newVersionIcon");
 567                         if (icon) {
 568                                 if (v == "1") {
 569                                         icon.style.display = "inline";
 570                                 } else {
 571                                         icon.style.display = "none";
 572                                 }
 573                         }
 574                 }
 575
 576                 var error_flag;
 577
 578                 if (k == "daemon_is_running" && v != 1) {
 579                         notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not running.</span>", true);
 580                         error_flag = true;
 581                 }
 582
 583                 if (k == "daemon_stamp_ok" && v != 1) {
 584                         notify_error("<span onclick=\"javascript:explainError(3)\">Update daemon is not updating feeds.</span>", true);
 585                         error_flag = true;
 586                 }
 587
 588                 if (!error_flag) {
 589                         notify('');
 590                 }
 591
 592 /*              var w = document.getElementById("noDaemonWarning");
 593
 594                 if (w) {
 595                         if (k == "daemon_is_running" && v != 1) {
 596                                 w.style.display = "block";
 597                         } else {
 598                                 w.style.display = "none";
 599                         }
 600                 } */
 601                 param = param.nextSibling;
 602         }
 603 }
 604
 605 function catchupCurrentFeed() {
 606
 607         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 608
 609         var str = "Mark all articles in " + fn + " as read?";
 610
 611 /*      if (active_feed_is_cat) {
 612                 str = "Mark all articles in this category as read?";
 613         } */
 614
 615         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 616                 return viewCurrentFeed('MarkAllRead')
 617         }
 618 }
 619
 620 function editFeedDlg(feed) {
 621         try {
 622
 623                 disableHotkeys();
 624
 625                 if (!feed) {
 626                         alert(__("Please select some feed first."));
 627                         return;
 628                 }
 629
 630                 if ((feed <= 0 && feed > -10) || activeFeedIsCat() || tagsAreDisplayed()) {
 631                         alert(__("You can't edit this kind of feed."));
 632                         return;
 633                 }
 634
 635                 var query = "";
 636
 637                 if (feed > 0) {
 638                         query = "backend.php?op=pref-feeds&subop=editfeed&id=" +        param_escape(feed);
 639                 } else {
 640                         query = "backend.php?op=pref-labels&subop=edit&id=" +   param_escape(-feed-11);
 641                 }
 642
 643                 new Ajax.Request(query, {
 644                         onComplete: function(transport) {
 645                                 infobox_callback2(transport);
 646                         } });
 647
 648         } catch (e) {
 649                 exception_error("editFeedDlg", e);
 650         }
 651 }
 652
 653 /* this functions duplicate those of prefs.js feed editor, with
 654         some differences because there is no feedlist */
 655
 656 function feedEditCancel() {
 657         closeInfoBox();
 658         return false;
 659 }
 660
 661 function feedEditSave() {
 662
 663         try {
 664
 665                 if (!xmlhttp_ready(xmlhttp)) {
 666                         printLockingError();
 667                         return
 668                 }
 669
 670                 // FIXME: add parameter validation
 671
 672                 var query = Form.serialize("edit_feed_form");
 673
 674                 notify_progress("Saving feed...");
 675
 676                 xmlhttp.open("POST", "backend.php", true);
 677                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 678                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 679                 xmlhttp.send(query);
 680
 681                 closeInfoBox();
 682
 683                 return false;
 684
 685         } catch (e) {
 686                 exception_error("feedEditSave (main)", e);
 687         }
 688 }
 689
 690 function labelEditCancel() {
 691         closeInfoBox();
 692         return false;
 693 }
 694
 695 function labelEditSave() {
 696
 697         try {
 698
 699                 if (!xmlhttp_ready(xmlhttp)) {
 700                         printLockingError();
 701                         return
 702                 }
 703
 704                 closeInfoBox();
 705
 706                 notify_progress("Saving label...");
 707
 708                 query = Form.serialize("label_edit_form");
 709
 710                 xmlhttp.open("GET", "backend.php?" + query, true);
 711                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 712                 xmlhttp.send(null);
 713
 714                 return false;
 715
 716         } catch (e) {
 717                 exception_error("feedEditSave (main)", e);
 718         }
 719
 720 }
 721