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