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 _qfd_deleted_feed = 0;
  10 var firsttime_update = true;
  11
  12 /*@cc_on @*/
  13 /*@if (@_jscript_version >= 5)
  14 // JScript gives us Conditional compilation, we can cope with old IE versions.
  15 // and security blocked creation of the objects.
  16 try {
  17         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  18 } catch (e) {
  19         try {
  20                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  21         } catch (E) {
  22                 xmlhttp = false;
  23         }
  24 }
  25 @end @*/
  26
  27 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  28         xmlhttp = new XMLHttpRequest();
  29 }
  30
  31 function toggleTags() {
  32         display_tags = !display_tags;
  33
  34         var p = document.getElementById("dispSwitchPrompt");
  35
  36         if (display_tags) {
  37                 p.innerHTML = "display feeds";
  38         } else {
  39                 p.innerHTML = "display tags";
  40         }
  41
  42         updateFeedList();
  43 }
  44
  45 function dlg_frefresh_callback() {
  46         if (xmlhttp.readyState == 4) {
  47                 notify(xmlhttp.responseText);
  48                 updateFeedList(false, false);
  49                 if (_qfd_deleted_feed) {
  50                         var hframe = document.getElementById("headlines-frame");
  51                         if (hframe) {
  52                                 hframe.src = "backend.php?op=error&msg=No%20feed%20selected.";
  53                         }
  54                 }
  55                 closeDlg();
  56         }
  57 }
  58
  59 function dlg_submit_callback() {
  60         if (xmlhttp.readyState == 4) {
  61                 notify(xmlhttp.responseText);
  62                 closeDlg();
  63         }
  64 }
  65
  66 function dlg_display_callback() {
  67         if (xmlhttp.readyState == 4) {
  68                 var dlg = document.getElementById("userDlg");
  69                 var dlg_s = document.getElementById("userDlgShadow");
  70
  71                 dlg.innerHTML = xmlhttp.responseText;
  72                 dlg_s.style.display = "block";
  73         }
  74 }
  75
  76 function hide_unread_callback() {
  77         if (xmlhttp.readyState == 4) {
  78
  79                 try {
  80
  81                         var reply = xmlhttp.responseXML.firstChild.firstChild;
  82                         var value = reply.getAttribute("value");
  83                         var hide_read_feeds = (value != "false")
  84                         var feeds_doc = window.frames["feeds-frame"].document;
  85
  86                         hideOrShowFeeds(feeds_doc, hide_read_feeds);
  87
  88                         if (hide_read_feeds) {
  89                                 setCookie("ttrss_vf_hreadf", 1);
  90                         } else {
  91                                 setCookie("ttrss_vf_hreadf", 0);
  92                         }
  93
  94                 } catch (e) {
  95                         exception_error("hide_unread_callback", e);
  96                 }
  97
  98         }
  99 }
 100
 101 function refetch_callback() {
 102         if (xmlhttp.readyState == 4) {
 103                 try {
 104
 105                         if (!xmlhttp.responseXML) {
 106                                 notify("refetch_callback: backend did not return valid XML");
 107                                 return;
 108                         }
 109
 110                         var reply = xmlhttp.responseXML.firstChild;
 111
 112                         if (!reply) {
 113                                 notify("refetch_callback: backend did not return expected XML object");
 114                                 updateTitle("");
 115                                 return;
 116                         }
 117
 118                         var error_code = reply.getAttribute("error-code");
 119
 120                         if (error_code && error_code != 0) {
 121                                 return fatalError(error_code);
 122                         }
 123
 124                         var f_document = window.frames["feeds-frame"].document;
 125
 126                         parse_counters(reply, f_document, window);
 127
 128                         debug("refetch_callback: done");
 129
 130                         if (!daemon_enabled) {
 131                                 notify("All feeds updated.");
 132                                 updateTitle("");
 133                         } else {
 134                                 notify("");
 135                         }
 136                 } catch (e) {
 137                         exception_error("refetch_callback", e);
 138                         updateTitle("");
 139                 }
 140         }
 141 }
 142
 143 function backend_sanity_check_callback() {
 144
 145         if (xmlhttp.readyState == 4) {
 146
 147                 try {
 148
 149                         if (!xmlhttp.responseXML) {
 150                                 fatalError(3, "D001;" + xmlhttp.responseText);
 151                                 return;
 152                         }
 153
 154                         var reply = xmlhttp.responseXML.firstChild;
 155
 156                         if (!reply) {
 157                                 fatalError(3, "D002;" + xmlhttp.responseText);
 158                                 return;
 159                         }
 160
 161                         var error_code = reply.getAttribute("error-code");
 162
 163                         if (error_code && error_code != 0) {
 164                                 return fatalError(error_code);
 165                         }
 166
 167                         debug("sanity check ok");
 168
 169                         init_second_stage();
 170
 171                 } catch (e) {
 172                         exception_error("backend_sanity_check_callback", e);
 173                 }
 174         }
 175 }
 176
 177 function scheduleFeedUpdate(force) {
 178
 179         if (!daemon_enabled) {
 180                 notify("Updating feeds, please wait.");
 181                 updateTitle("Updating");
 182         }
 183
 184         var query_str = "backend.php?op=rpc&subop=";
 185
 186         if (force) {
 187                 query_str = query_str + "forceUpdateAllFeeds";
 188         } else {
 189                 query_str = query_str + "updateAllFeeds";
 190         }
 191
 192         var omode;
 193
 194         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 195                 firsttime_update = false;
 196                 omode = "T";
 197         } else {
 198                 if (display_tags) {
 199                         omode = "t";
 200                 } else {
 201                         omode = "flc";
 202                 }
 203         }
 204
 205         query_str = query_str + "&omode=" + omode;
 206         query_str = query_str + "&uctr=" + global_unread;
 207
 208         debug("in scheduleFeedUpdate");
 209
 210         if (xmlhttp_ready(xmlhttp)) {
 211                 xmlhttp.open("GET", query_str, true);
 212                 xmlhttp.onreadystatechange=refetch_callback;
 213                 xmlhttp.send(null);
 214         } else {
 215                 printLockingError();
 216         }
 217 }
 218
 219 function updateFeedList(silent, fetch) {
 220
 221 //      if (silent != true) {
 222 //              notify("Loading feed list...");
 223 //      }
 224
 225         var query_str = "backend.php?op=feeds";
 226
 227         if (display_tags) {
 228                 query_str = query_str + "&tags=1";
 229         }
 230
 231         if (getActiveFeedId()) {
 232                 query_str = query_str + "&actid=" + getActiveFeedId();
 233         }
 234
 235         if (navigator.userAgent.match("Opera")) {
 236                 var date = new Date();
 237                 var timestamp = Math.round(date.getTime() / 1000);
 238                 query_str = query_str + "&ts=" + timestamp
 239         }
 240
 241         if (fetch) query_str = query_str + "&fetch=yes";
 242
 243         var feeds_frame = document.getElementById("feeds-frame");
 244
 245         feeds_frame.src = query_str;
 246 }
 247
 248 function catchupAllFeeds() {
 249
 250         var query_str = "backend.php?op=feeds&subop=catchupAll";
 251
 252         notify("Marking all feeds as read...");
 253
 254         var feeds_frame = document.getElementById("feeds-frame");
 255
 256         feeds_frame.src = query_str;
 257
 258         global_unread = 0;
 259         updateTitle("");
 260
 261 }
 262
 263 function viewCurrentFeed(skip, subop) {
 264
 265         if (getActiveFeedId()) {
 266                 viewfeed(getActiveFeedId(), skip, subop);
 267         } else {
 268                 disableContainerChildren("headlinesToolbar", false, document);
 269                 viewfeed(-1, skip, subop); // FIXME
 270         }
 271 }
 272
 273 function viewfeed(feed, skip, subop) {
 274         var f = window.frames["feeds-frame"];
 275         f.viewfeed(feed, skip, subop);
 276 }
 277
 278 function timeout() {
 279         scheduleFeedUpdate(false);
 280
 281         var refresh_time = getCookie('ttrss_vf_refresh');
 282
 283         if (!refresh_time) refresh_time = 600;
 284
 285         setTimeout("timeout()", refresh_time*1000);
 286 }
 287
 288 function resetSearch() {
 289         var searchbox = document.getElementById("searchbox")
 290
 291         if (searchbox.value != "" && getActiveFeedId()) {
 292                 searchbox.value = "";
 293                 viewfeed(getActiveFeedId(), 0, "");
 294         }
 295 }
 296
 297 function search() {
 298         closeDlg();
 299         viewCurrentFeed(0, "");
 300 }
 301
 302 function localPiggieFunction(enable) {
 303         if (enable) {
 304                 var query_str = "backend.php?op=feeds&subop=piggie";
 305
 306                 if (xmlhttp_ready(xmlhttp)) {
 307
 308                         xmlhttp.open("GET", query_str, true);
 309                         xmlhttp.onreadystatechange=feedlist_callback;
 310                         xmlhttp.send(null);
 311                 }
 312         }
 313 }
 314
 315 function localHotkeyHandler(keycode) {
 316
 317         if (keycode == 82) { // r
 318                 return scheduleFeedUpdate(true);
 319         }
 320
 321         if (keycode == 85) { // u
 322                 if (getActiveFeedId()) {
 323                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 324                 }
 325         }
 326
 327         if (keycode == 65) { // a
 328                 return toggleDispRead();
 329         }
 330
 331         var f_doc = window.frames["feeds-frame"].document;
 332         var feedlist = f_doc.getElementById('feedList');
 333
 334         if (keycode == 74) { // j
 335                 var feed = getActiveFeedId();
 336                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 337                 if (new_feed) viewfeed(new_feed, 0, '');
 338         }
 339
 340         if (keycode == 75) { // k
 341                 var feed = getActiveFeedId();
 342                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 343                 if (new_feed) viewfeed(new_feed, 0, '');
 344         }
 345
 346 //      notify("KC: " + keycode);
 347
 348 }
 349
 350 // if argument is undefined, current subtitle is not updated
 351 // use blank string to clear subtitle
 352 function updateTitle(s) {
 353         var tmp = "Tiny Tiny RSS";
 354
 355         if (s != undefined) {
 356                 current_subtitle = s;
 357         }
 358
 359         if (global_unread > 0) {
 360                 tmp = tmp + " (" + global_unread + ")";
 361         }
 362
 363         if (current_subtitle) {
 364                 tmp = tmp + " - " + current_subtitle;
 365         }
 366
 367         if (active_title_text.length > 0) {
 368                 tmp = tmp + " > " + active_title_text;
 369         }
 370
 371         document.title = tmp;
 372 }
 373
 374 function genericSanityCheck() {
 375
 376         if (!xmlhttp) fatalError(1);
 377
 378         setCookie("ttrss_vf_test", "TEST");
 379
 380         if (getCookie("ttrss_vf_test") != "TEST") {
 381                 fatalError(2);
 382         }
 383
 384         return true;
 385 }
 386
 387 function init() {
 388
 389         try {
 390
 391                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 392
 393                 if (arguments.callee.done) return;
 394                 arguments.callee.done = true;
 395
 396                 disableContainerChildren("headlinesToolbar", true);
 397
 398                 if (!genericSanityCheck())
 399                         return;
 400
 401                 if (getURLParam('debug')) {
 402                         document.getElementById('debug_output').style.display = 'block';
 403                         debug('debug mode activated');
 404                 }
 405
 406                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 407                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 408                 xmlhttp.send(null);
 409
 410         } catch (e) {
 411                 exception_error("init", e);
 412         }
 413 }
 414
 415 function resize_feeds_frame() {
 416         var f = document.getElementById("feeds-frame");
 417         var tf = document.getElementById("mainFooter");
 418         var th = document.getElementById("mainHeader");
 419
 420         f.style.height = document.body.scrollHeight - tf.scrollHeight -
 421                 th.scrollHeight - 50 + "px";
 422 }
 423
 424 function init_second_stage() {
 425
 426         try {
 427
 428                 setCookie("ttrss_vf_actfeed", "");
 429
 430                 updateFeedList(false, false);
 431                 document.onkeydown = hotkey_handler;
 432
 433                 var viewbox = document.getElementById("viewbox");
 434                 var limitbox = document.getElementById("limitbox");
 435
 436                 dropboxSelect(viewbox, getCookie("ttrss_vf_vmode"));
 437                 dropboxSelect(limitbox, getCookie("ttrss_vf_limit"));
 438
 439                 daemon_enabled = getCookie("ttrss_vf_daemon");
 440
 441                 // FIXME should be callled after window resize
 442
 443                 if (navigator.userAgent.match("Opera")) {
 444                         resize_feeds_frame();
 445
 446 /*                      // fix headlines frame height for Opera
 447                         var h = document.getElementById("headlines");
 448                         var c = document.getElementById("content");
 449                         var nh = document.body.scrollHeight * 0.25;
 450
 451                         h.style.height = nh + "px";
 452                         c.style.height = c.scrollHeight - nh + "px"; */
 453
 454                 }
 455
 456                 debug("second stage ok");
 457
 458         } catch (e) {
 459                 exception_error("init_second_stage", e);
 460         }
 461 }
 462
 463 function quickMenuChange() {
 464         var chooser = document.getElementById("quickMenuChooser");
 465         var opid = chooser[chooser.selectedIndex].id;
 466
 467         chooser.selectedIndex = 0;
 468         quickMenuGo(opid);
 469 }
 470
 471 function quickMenuGo(opid) {
 472
 473
 474         if (opid == "qmcPrefs") {
 475                 gotoPreferences();
 476         }
 477
 478         if (opid == "qmcSearch") {
 479                 displayDlg("search", getActiveFeedId());
 480                 return;
 481         }
 482
 483         if (opid == "qmcAddFeed") {
 484                 displayDlg("quickAddFeed");
 485                 return;
 486         }
 487
 488         if (opid == "qmcRemoveFeed") {
 489                 var actid = getActiveFeedId();
 490
 491                 if (!actid) {
 492                         notify("Please select some feed first.");
 493                         return;
 494                 }
 495
 496                 if (confirm("Remove current feed?")) {
 497                         qfdDelete(actid);
 498                 }
 499
 500                 return;
 501         }
 502
 503         if (opid == "qmcUpdateFeeds") {
 504                 scheduleFeedUpdate(true);
 505                 return;
 506         }
 507
 508         if (opid == "qmcCatchupAll") {
 509                 catchupAllFeeds();
 510                 return;
 511         }
 512
 513         if (opid == "qmcShowOnlyUnread") {
 514                 toggleDispRead();
 515                 return;
 516         }
 517
 518         if (opid == "qmcAddFilter") {
 519                 displayDlg("quickAddFilter", getActiveFeedId());
 520         }
 521
 522 }
 523
 524 function qafAdd() {
 525
 526         if (!xmlhttp_ready(xmlhttp)) {
 527                 printLockingError();
 528                 return
 529         }
 530
 531         var link = document.getElementById("qafInput");
 532
 533         if (link.value.length == 0) {
 534                 notify("Missing feed URL.");
 535         } else {
 536                 notify("Adding feed...");
 537
 538                 var cat = document.getElementById("qafCat");
 539                 var cat_id = "";
 540
 541                 if (cat) {
 542                         cat_id = cat[cat.selectedIndex].id;
 543                 } else {
 544                         cat_id = 0;
 545                 }
 546
 547                 var feeds_doc = window.frames["feeds-frame"].document;
 548
 549                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 550
 551                 xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=add&link=" +
 552                         param_escape(link.value) + "&cid=" + param_escape(cat_id), true);
 553                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 554                 xmlhttp.send(null);
 555
 556                 link.value = "";
 557
 558         }
 559 }
 560
 561 function qaddFilter() {
 562
 563         if (!xmlhttp_ready(xmlhttp)) {
 564                 printLockingError();
 565                 return
 566         }
 567
 568         var regexp = document.getElementById("fadd_regexp");
 569         var match = document.getElementById("fadd_match");
 570         var feed = document.getElementById("fadd_feed");
 571         var action = document.getElementById("fadd_action");
 572
 573         if (regexp.value.length == 0) {
 574                 notify("Missing filter expression.");
 575         } else {
 576                 notify("Adding filter...");
 577
 578                 var v_match = match[match.selectedIndex].text;
 579                 var feed_id = feed[feed.selectedIndex].id;
 580                 var action_id = action[action.selectedIndex].id;
 581
 582                 xmlhttp.open("GET", "backend.php?op=pref-filters&quiet=1&subop=add&regexp=" +
 583                         param_escape(regexp.value) + "&match=" + v_match +
 584                         "&fid=" + param_escape(feed_id) + "&aid=" + param_escape(action_id), true);
 585
 586                 xmlhttp.onreadystatechange=dlg_submit_callback;
 587                 xmlhttp.send(null);
 588
 589                 regexp.value = "";
 590         }
 591
 592 }
 593
 594
 595 function displayDlg(id, param) {
 596
 597         if (!xmlhttp_ready(xmlhttp)) {
 598                 printLockingError();
 599                 return
 600         }
 601
 602         notify("");
 603
 604         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 605                 param_escape(id) + "&param=" + param_escape(param), true);
 606         xmlhttp.onreadystatechange=dlg_display_callback;
 607         xmlhttp.send(null);
 608
 609         disableHotkeys();
 610 }
 611
 612 function closeDlg() {
 613         var dlg = document.getElementById("userDlgShadow");
 614         dlg.style.display = "none";
 615         enableHotkeys();
 616 }
 617
 618 function qfdDelete(feed_id) {
 619
 620         notify("Removing feed...");
 621
 622         if (!xmlhttp_ready(xmlhttp)) {
 623                 printLockingError();
 624                 return
 625         }
 626
 627 //      var feeds_doc = window.frames["feeds-frame"].document;
 628 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 629
 630         _qfd_deleted_feed = feed_id;
 631
 632         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 633         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 634         xmlhttp.send(null);
 635 }
 636
 637
 638 function allFeedsMenuChange() {
 639         var chooser = document.getElementById("allFeedsChooser");
 640
 641         var opname = chooser[chooser.selectedIndex].text;
 642
 643         chooser.selectedIndex = 0;
 644
 645         if (opname == "Update") {
 646                 scheduleFeedUpdate(true);
 647                 return;
 648         }
 649
 650         if (opname == "Mark as read") {
 651                 catchupAllFeeds();
 652                 return;
 653         }
 654
 655         if (opname == "Show only unread") {
 656                 toggleDispRead();
 657                 return;
 658         }
 659
 660 }
 661
 662 function updateFeedTitle(t) {
 663         active_title_text = t;
 664         updateTitle();
 665 }
 666
 667 function toggleDispRead() {
 668         try {
 669
 670                 if (!xmlhttp_ready(xmlhttp)) {
 671                         printLockingError();
 672                         return
 673                 }
 674
 675                 var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 676
 677                 hide_read_feeds = !hide_read_feeds;
 678
 679                 var query = "backend.php?op=rpc&subop=setpref" +
 680                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 681
 682                 xmlhttp.open("GET", query);
 683                 xmlhttp.onreadystatechange=hide_unread_callback;
 684                 xmlhttp.send(null);
 685
 686         } catch (e) {
 687                 exception_error("toggleDispRead", e);
 688         }
 689 }
 690
 691 function debug(msg) {
 692         var c = document.getElementById('debug_output');
 693         if (c && c.style.display == "block") {
 694                 while (c.lastChild != 'undefined' && c.childNodes.length > 20) {
 695                         c.removeChild(c.lastChild);
 696                 }
 697
 698                 var d = new Date();
 699                 var ts = d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
 700                 c.innerHTML = "<li>[" + ts + "] " + msg + "</li>" + c.innerHTML;
 701         }
 702 }