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 var last_refetch = 0;
  12 var cookie_lifetime = 0;
  13
  14 /*@cc_on @*/
  15 /*@if (@_jscript_version >= 5)
  16 // JScript gives us Conditional compilation, we can cope with old IE versions.
  17 // and security blocked creation of the objects.
  18 try {
  19         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  20 } catch (e) {
  21         try {
  22                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  23         } catch (E) {
  24                 xmlhttp = false;
  25         }
  26 }
  27 @end @*/
  28
  29 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  30         xmlhttp = new XMLHttpRequest();
  31 }
  32
  33 function toggleTags() {
  34         display_tags = !display_tags;
  35
  36         var p = document.getElementById("dispSwitchPrompt");
  37
  38         if (display_tags) {
  39                 p.innerHTML = "display feeds";
  40         } else {
  41                 p.innerHTML = "display tags";
  42         }
  43
  44         updateFeedList();
  45 }
  46
  47 function dlg_frefresh_callback() {
  48         if (xmlhttp.readyState == 4) {
  49                 notify(xmlhttp.responseText);
  50                 updateFeedList(false, false);
  51                 if (_qfd_deleted_feed) {
  52                         var hframe = document.getElementById("headlines-frame");
  53                         if (hframe) {
  54                                 hframe.src = "backend.php?op=error&msg=No%20feed%20selected.";
  55                         }
  56                 }
  57                 closeDlg();
  58         }
  59 }
  60
  61 function dlg_submit_callback() {
  62         if (xmlhttp.readyState == 4) {
  63                 notify(xmlhttp.responseText);
  64                 closeDlg();
  65         }
  66 }
  67
  68 function dlg_display_callback() {
  69         if (xmlhttp.readyState == 4) {
  70                 var dlg = document.getElementById("userDlg");
  71                 var dlg_s = document.getElementById("userDlgShadow");
  72
  73                 dlg.innerHTML = xmlhttp.responseText;
  74                 dlg_s.style.display = "block";
  75         }
  76 }
  77
  78 function hide_unread_callback() {
  79         if (xmlhttp.readyState == 4) {
  80
  81                 try {
  82
  83                         var reply = xmlhttp.responseXML.firstChild.firstChild;
  84                         var value = reply.getAttribute("value");
  85                         var hide_read_feeds = (value != "false")
  86                         var feeds_doc = window.frames["feeds-frame"].document;
  87
  88                         hideOrShowFeeds(feeds_doc, hide_read_feeds);
  89
  90                         if (hide_read_feeds) {
  91                                 setCookie("ttrss_vf_hreadf", 1);
  92                         } else {
  93                                 setCookie("ttrss_vf_hreadf", 0);
  94                         }
  95
  96                 } catch (e) {
  97                         exception_error("hide_unread_callback", e);
  98                 }
  99
 100         }
 101 }
 102
 103 function refetch_callback() {
 104         if (xmlhttp.readyState == 4) {
 105                 try {
 106
 107                         var date = new Date();
 108
 109                         last_refetch = date.getTime() / 1000;
 110
 111                         if (!xmlhttp.responseXML) {
 112                                 notify("refetch_callback: backend did not return valid XML");
 113                                 return;
 114                         }
 115
 116                         var reply = xmlhttp.responseXML.firstChild;
 117
 118                         if (!reply) {
 119                                 notify("refetch_callback: backend did not return expected XML object");
 120                                 updateTitle("");
 121                                 return;
 122                         }
 123
 124                         var error_code = reply.getAttribute("error-code");
 125
 126                         if (error_code && error_code != 0) {
 127                                 return fatalError(error_code);
 128                         }
 129
 130                         var f_document = window.frames["feeds-frame"].document;
 131
 132                         parse_counters(reply, f_document, window, true);
 133
 134                         debug("refetch_callback: done");
 135
 136                         if (!daemon_enabled) {
 137                                 notify("All feeds updated.");
 138                                 updateTitle("");
 139                         } else {
 140                                 notify("");
 141                         }
 142                 } catch (e) {
 143                         exception_error("refetch_callback", e);
 144                         updateTitle("");
 145                 }
 146         }
 147 }
 148
 149 function backend_sanity_check_callback() {
 150
 151         if (xmlhttp.readyState == 4) {
 152
 153                 try {
 154
 155                         if (!xmlhttp.responseXML) {
 156                                 fatalError(3, "D001;" + xmlhttp.responseText);
 157                                 return;
 158                         }
 159
 160                         var reply = xmlhttp.responseXML.firstChild;
 161
 162                         if (!reply) {
 163                                 fatalError(3, "D002;" + xmlhttp.responseText);
 164                                 return;
 165                         }
 166
 167                         var error_code = reply.getAttribute("error-code");
 168
 169                         if (error_code && error_code != 0) {
 170                                 return fatalError(error_code);
 171                         }
 172
 173                         debug("sanity check ok");
 174
 175                         init_second_stage();
 176
 177                 } catch (e) {
 178                         exception_error("backend_sanity_check_callback", e);
 179                 }
 180         }
 181 }
 182
 183 function scheduleFeedUpdate(force) {
 184
 185         if (!daemon_enabled) {
 186                 notify("Updating feeds, please wait.");
 187                 updateTitle("Updating");
 188         }
 189
 190         var query_str = "backend.php?op=rpc&subop=";
 191
 192         if (force) {
 193                 query_str = query_str + "forceUpdateAllFeeds";
 194         } else {
 195                 query_str = query_str + "updateAllFeeds";
 196         }
 197
 198         var omode;
 199
 200         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 201                 firsttime_update = false;
 202                 omode = "T";
 203         } else {
 204                 if (display_tags) {
 205                         omode = "t";
 206                 } else {
 207                         omode = "flc";
 208                 }
 209         }
 210
 211         query_str = query_str + "&omode=" + omode;
 212         query_str = query_str + "&uctr=" + global_unread;
 213
 214         debug("in scheduleFeedUpdate");
 215
 216         var date = new Date();
 217
 218         if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
 219                 debug("xmlhttp seems to be stuck, aborting");
 220                 xmlhttp.abort();
 221         }
 222
 223         if (xmlhttp_ready(xmlhttp)) {
 224                 xmlhttp.open("GET", query_str, true);
 225                 xmlhttp.onreadystatechange=refetch_callback;
 226                 xmlhttp.send(null);
 227         } else {
 228                 debug("xmlhttp busy");
 229                 printLockingError();
 230         }
 231 }
 232
 233 function updateFeedList(silent, fetch) {
 234
 235 //      if (silent != true) {
 236 //              notify("Loading feed list...");
 237 //      }
 238
 239         var query_str = "backend.php?op=feeds";
 240
 241         if (display_tags) {
 242                 query_str = query_str + "&tags=1";
 243         }
 244
 245         if (getActiveFeedId()) {
 246                 query_str = query_str + "&actid=" + getActiveFeedId();
 247         }
 248
 249         if (navigator.userAgent.match("Opera")) {
 250                 var date = new Date();
 251                 var timestamp = Math.round(date.getTime() / 1000);
 252                 query_str = query_str + "&ts=" + timestamp
 253         }
 254
 255         if (fetch) query_str = query_str + "&fetch=yes";
 256
 257         var feeds_frame = document.getElementById("feeds-frame");
 258
 259         feeds_frame.src = query_str;
 260 }
 261
 262 function catchupAllFeeds() {
 263
 264         var query_str = "backend.php?op=feeds&subop=catchupAll";
 265
 266         notify("Marking all feeds as read...");
 267
 268         var feeds_frame = document.getElementById("feeds-frame");
 269
 270         feeds_frame.src = query_str;
 271
 272         global_unread = 0;
 273         updateTitle("");
 274
 275 }
 276
 277 function viewCurrentFeed(skip, subop) {
 278
 279         if (getActiveFeedId()) {
 280                 viewfeed(getActiveFeedId(), skip, subop);
 281         } else {
 282                 disableContainerChildren("headlinesToolbar", false, document);
 283                 viewfeed(-1, skip, subop); // FIXME
 284         }
 285 }
 286
 287 function viewfeed(feed, skip, subop) {
 288         var f = window.frames["feeds-frame"];
 289         f.viewfeed(feed, skip, subop);
 290 }
 291
 292 function timeout() {
 293         scheduleFeedUpdate(false);
 294
 295         var refresh_time = getCookie('ttrss_vf_refresh');
 296
 297         if (!refresh_time) refresh_time = 600;
 298
 299         setTimeout("timeout()", refresh_time*1000);
 300 }
 301
 302 function resetSearch() {
 303         var searchbox = document.getElementById("searchbox")
 304
 305         if (searchbox.value != "" && getActiveFeedId()) {
 306                 searchbox.value = "";
 307                 viewfeed(getActiveFeedId(), 0, "");
 308         }
 309 }
 310
 311 function search() {
 312         closeDlg();
 313         viewCurrentFeed(0, "");
 314 }
 315
 316 function localPiggieFunction(enable) {
 317         if (enable) {
 318                 var query_str = "backend.php?op=feeds&subop=piggie";
 319
 320                 if (xmlhttp_ready(xmlhttp)) {
 321
 322                         xmlhttp.open("GET", query_str, true);
 323                         xmlhttp.onreadystatechange=feedlist_callback;
 324                         xmlhttp.send(null);
 325                 }
 326         }
 327 }
 328
 329 function localHotkeyHandler(keycode) {
 330
 331         if (keycode == 82) { // r
 332                 return scheduleFeedUpdate(true);
 333         }
 334
 335         if (keycode == 85) { // u
 336                 if (getActiveFeedId()) {
 337                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 338                 }
 339         }
 340
 341         if (keycode == 65) { // a
 342                 return toggleDispRead();
 343         }
 344
 345         var f_doc = window.frames["feeds-frame"].document;
 346         var feedlist = f_doc.getElementById('feedList');
 347
 348         if (keycode == 74) { // j
 349                 var feed = getActiveFeedId();
 350                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 351                 if (new_feed) viewfeed(new_feed, 0, '');
 352         }
 353
 354         if (keycode == 75) { // k
 355                 var feed = getActiveFeedId();
 356                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 357                 if (new_feed) viewfeed(new_feed, 0, '');
 358         }
 359
 360 //      notify("KC: " + keycode);
 361
 362 }
 363
 364 // if argument is undefined, current subtitle is not updated
 365 // use blank string to clear subtitle
 366 function updateTitle(s) {
 367         var tmp = "Tiny Tiny RSS";
 368
 369         if (s != undefined) {
 370                 current_subtitle = s;
 371         }
 372
 373         if (global_unread > 0) {
 374                 tmp = tmp + " (" + global_unread + ")";
 375         }
 376
 377         if (current_subtitle) {
 378                 tmp = tmp + " - " + current_subtitle;
 379         }
 380
 381         if (active_title_text.length > 0) {
 382                 tmp = tmp + " > " + active_title_text;
 383         }
 384
 385         document.title = tmp;
 386 }
 387
 388 function genericSanityCheck() {
 389
 390         if (!xmlhttp) fatalError(1);
 391
 392         setCookie("ttrss_vf_test", "TEST");
 393
 394         if (getCookie("ttrss_vf_test") != "TEST") {
 395                 fatalError(2);
 396         }
 397
 398         return true;
 399 }
 400
 401 function init() {
 402
 403         try {
 404
 405                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 406
 407                 if (arguments.callee.done) return;
 408                 arguments.callee.done = true;
 409
 410                 disableContainerChildren("headlinesToolbar", true);
 411
 412                 if (!genericSanityCheck())
 413                         return;
 414
 415                 if (getURLParam('debug')) {
 416                         document.getElementById('debug_output').style.display = 'block';
 417                         debug('debug mode activated');
 418                 }
 419
 420                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 421                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 422                 xmlhttp.send(null);
 423
 424         } catch (e) {
 425                 exception_error("init", e);
 426         }
 427 }
 428
 429 function resize_feeds_frame() {
 430         var f = document.getElementById("feeds-frame");
 431         var tf = document.getElementById("mainFooter");
 432         var th = document.getElementById("mainHeader");
 433
 434         f.style.height = document.body.scrollHeight - tf.scrollHeight -
 435                 th.scrollHeight - 50 + "px";
 436 }
 437
 438 function init_second_stage() {
 439
 440         try {
 441
 442                 cookie_lifetime = getCookie("ttrss_cltime");
 443
 444                 delCookie("ttrss_vf_test");
 445
 446                 setCookie("ttrss_vf_actfeed", "");
 447
 448                 updateFeedList(false, false);
 449                 document.onkeydown = hotkey_handler;
 450
 451                 var viewbox = document.getElementById("viewbox");
 452                 var limitbox = document.getElementById("limitbox");
 453
 454                 dropboxSelect(viewbox, getCookie("ttrss_vf_vmode"));
 455                 dropboxSelect(limitbox, getCookie("ttrss_vf_limit"));
 456
 457                 daemon_enabled = getCookie("ttrss_vf_daemon");
 458
 459                 // FIXME should be callled after window resize
 460
 461                 if (navigator.userAgent.match("Opera")) {
 462                         resize_feeds_frame();
 463
 464 /*                      // fix headlines frame height for Opera
 465                         var h = document.getElementById("headlines");
 466                         var c = document.getElementById("content");
 467                         var nh = document.body.scrollHeight * 0.25;
 468
 469                         h.style.height = nh + "px";
 470                         c.style.height = c.scrollHeight - nh + "px"; */
 471
 472                 }
 473
 474                 debug("second stage ok");
 475
 476         } catch (e) {
 477                 exception_error("init_second_stage", e);
 478         }
 479 }
 480
 481 function quickMenuChange() {
 482         var chooser = document.getElementById("quickMenuChooser");
 483         var opid = chooser[chooser.selectedIndex].id;
 484
 485         chooser.selectedIndex = 0;
 486         quickMenuGo(opid);
 487 }
 488
 489 function quickMenuGo(opid) {
 490
 491
 492         if (opid == "qmcPrefs") {
 493                 gotoPreferences();
 494         }
 495
 496         if (opid == "qmcSearch") {
 497                 displayDlg("search", getActiveFeedId());
 498                 return;
 499         }
 500
 501         if (opid == "qmcAddFeed") {
 502                 displayDlg("quickAddFeed");
 503                 return;
 504         }
 505
 506         if (opid == "qmcRemoveFeed") {
 507                 var actid = getActiveFeedId();
 508
 509                 if (!actid) {
 510                         notify("Please select some feed first.");
 511                         return;
 512                 }
 513
 514                 if (confirm("Remove current feed?")) {
 515                         qfdDelete(actid);
 516                 }
 517
 518                 return;
 519         }
 520
 521         if (opid == "qmcUpdateFeeds") {
 522                 scheduleFeedUpdate(true);
 523                 return;
 524         }
 525
 526         if (opid == "qmcCatchupAll") {
 527                 catchupAllFeeds();
 528                 return;
 529         }
 530
 531         if (opid == "qmcShowOnlyUnread") {
 532                 toggleDispRead();
 533                 return;
 534         }
 535
 536         if (opid == "qmcAddFilter") {
 537                 displayDlg("quickAddFilter", getActiveFeedId());
 538         }
 539
 540 }
 541
 542 function qafAdd() {
 543
 544         if (!xmlhttp_ready(xmlhttp)) {
 545                 printLockingError();
 546                 return
 547         }
 548
 549         var link = document.getElementById("qafInput");
 550
 551         if (link.value.length == 0) {
 552                 notify("Missing feed URL.");
 553         } else {
 554                 notify("Adding feed...");
 555
 556                 var cat = document.getElementById("qafCat");
 557                 var cat_id = "";
 558
 559                 if (cat) {
 560                         cat_id = cat[cat.selectedIndex].id;
 561                 } else {
 562                         cat_id = 0;
 563                 }
 564
 565                 var feeds_doc = window.frames["feeds-frame"].document;
 566
 567                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 568
 569                 xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=add&link=" +
 570                         param_escape(link.value) + "&cid=" + param_escape(cat_id), true);
 571                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 572                 xmlhttp.send(null);
 573
 574                 link.value = "";
 575
 576         }
 577 }
 578
 579 function qaddFilter() {
 580
 581         if (!xmlhttp_ready(xmlhttp)) {
 582                 printLockingError();
 583                 return
 584         }
 585
 586         var regexp = document.getElementById("fadd_regexp");
 587         var match = document.getElementById("fadd_match");
 588         var feed = document.getElementById("fadd_feed");
 589         var action = document.getElementById("fadd_action");
 590
 591         if (regexp.value.length == 0) {
 592                 notify("Missing filter expression.");
 593         } else {
 594                 notify("Adding filter...");
 595
 596                 var v_match = match[match.selectedIndex].text;
 597                 var feed_id = feed[feed.selectedIndex].id;
 598                 var action_id = action[action.selectedIndex].id;
 599
 600                 xmlhttp.open("GET", "backend.php?op=pref-filters&quiet=1&subop=add&regexp=" +
 601                         param_escape(regexp.value) + "&match=" + v_match +
 602                         "&fid=" + param_escape(feed_id) + "&aid=" + param_escape(action_id), true);
 603
 604                 xmlhttp.onreadystatechange=dlg_submit_callback;
 605                 xmlhttp.send(null);
 606
 607                 regexp.value = "";
 608         }
 609
 610 }
 611
 612
 613 function displayDlg(id, param) {
 614
 615         if (!xmlhttp_ready(xmlhttp)) {
 616                 printLockingError();
 617                 return
 618         }
 619
 620         notify("");
 621
 622         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 623                 param_escape(id) + "&param=" + param_escape(param), true);
 624         xmlhttp.onreadystatechange=dlg_display_callback;
 625         xmlhttp.send(null);
 626
 627         disableHotkeys();
 628 }
 629
 630 function closeDlg() {
 631         var dlg = document.getElementById("userDlgShadow");
 632         dlg.style.display = "none";
 633         enableHotkeys();
 634 }
 635
 636 function qfdDelete(feed_id) {
 637
 638         notify("Removing feed...");
 639
 640         if (!xmlhttp_ready(xmlhttp)) {
 641                 printLockingError();
 642                 return
 643         }
 644
 645 //      var feeds_doc = window.frames["feeds-frame"].document;
 646 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 647
 648         _qfd_deleted_feed = feed_id;
 649
 650         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 651         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 652         xmlhttp.send(null);
 653 }
 654
 655
 656 function allFeedsMenuChange() {
 657         var chooser = document.getElementById("allFeedsChooser");
 658
 659         var opname = chooser[chooser.selectedIndex].text;
 660
 661         chooser.selectedIndex = 0;
 662
 663         if (opname == "Update") {
 664                 scheduleFeedUpdate(true);
 665                 return;
 666         }
 667
 668         if (opname == "Mark as read") {
 669                 catchupAllFeeds();
 670                 return;
 671         }
 672
 673         if (opname == "Show only unread") {
 674                 toggleDispRead();
 675                 return;
 676         }
 677
 678 }
 679
 680 function updateFeedTitle(t) {
 681         active_title_text = t;
 682         updateTitle();
 683 }
 684
 685 function toggleDispRead() {
 686         try {
 687
 688                 if (!xmlhttp_ready(xmlhttp)) {
 689                         printLockingError();
 690                         return
 691                 }
 692
 693                 var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 694
 695                 hide_read_feeds = !hide_read_feeds;
 696
 697                 var query = "backend.php?op=rpc&subop=setpref" +
 698                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 699
 700                 xmlhttp.open("GET", query);
 701                 xmlhttp.onreadystatechange=hide_unread_callback;
 702                 xmlhttp.send(null);
 703
 704         } catch (e) {
 705                 exception_error("toggleDispRead", e);
 706         }
 707 }
 708
 709 function debug(msg) {
 710         var c = document.getElementById('debug_output');
 711         if (c && c.style.display == "block") {
 712                 while (c.lastChild != 'undefined' && c.childNodes.length > 20) {
 713                         c.removeChild(c.lastChild);
 714                 }
 715
 716                 var d = new Date();
 717                 var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 718                         ":" + leading_zero(d.getSeconds());
 719                 c.innerHTML = "<li>[" + ts + "] " + msg + "</li>" + c.innerHTML;
 720         }
 721 }