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