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                         if (!daemon_enabled) {
 129                                 notify("All feeds updated.");
 130                                 updateTitle("");
 131                         }
 132                 } catch (e) {
 133                         exception_error("refetch_callback", e);
 134                         updateTitle("");
 135                 }
 136         }
 137 }
 138
 139 function backend_sanity_check_callback() {
 140
 141         if (xmlhttp.readyState == 4) {
 142
 143                 try {
 144
 145                         if (!xmlhttp.responseXML) {
 146                                 fatalError(3, "D001;" + xmlhttp.responseText);
 147                                 return;
 148                         }
 149
 150                         var reply = xmlhttp.responseXML.firstChild;
 151
 152                         if (!reply) {
 153                                 fatalError(3, "D002;" + xmlhttp.responseText);
 154                                 return;
 155                         }
 156
 157                         var error_code = reply.getAttribute("error-code");
 158
 159                         if (error_code && error_code != 0) {
 160                                 return fatalError(error_code);
 161                         }
 162
 163                         init_second_stage();
 164
 165                 } catch (e) {
 166                         exception_error("backend_sanity_check_callback", e);
 167                 }
 168         }
 169 }
 170
 171 function scheduleFeedUpdate(force) {
 172
 173         if (!daemon_enabled) {
 174                 notify("Updating feeds, please wait.");
 175                 updateTitle("Updating");
 176         }
 177
 178         var query_str = "backend.php?op=rpc&subop=";
 179
 180         if (force) {
 181                 query_str = query_str + "forceUpdateAllFeeds";
 182         } else {
 183                 query_str = query_str + "updateAllFeeds";
 184         }
 185
 186         var omode;
 187
 188         if (firsttime_update) {
 189                 firsttime_update = false;
 190                 omode = "T";
 191         } else {
 192                 if (display_tags) {
 193                         omode = "t";
 194                 } else {
 195                         omode = "flc";
 196                 }
 197         }
 198
 199         query_str = query_str + "&omode=" + omode;
 200         query_str = query_str + "&uctr=" + global_unread;
 201
 202
 203         if (xmlhttp_ready(xmlhttp)) {
 204                 xmlhttp.open("GET", query_str, true);
 205                 xmlhttp.onreadystatechange=refetch_callback;
 206                 xmlhttp.send(null);
 207         } else {
 208                 printLockingError();
 209         }
 210 }
 211
 212 function updateFeedList(silent, fetch) {
 213
 214 //      if (silent != true) {
 215 //              notify("Loading feed list...");
 216 //      }
 217
 218         var query_str = "backend.php?op=feeds";
 219
 220         if (display_tags) {
 221                 query_str = query_str + "&tags=1";
 222         }
 223
 224         if (getActiveFeedId()) {
 225                 query_str = query_str + "&actid=" + getActiveFeedId();
 226         }
 227
 228         if (fetch) query_str = query_str + "&fetch=yes";
 229
 230         var feeds_frame = document.getElementById("feeds-frame");
 231
 232         feeds_frame.src = query_str;
 233 }
 234
 235 function catchupAllFeeds() {
 236
 237         var query_str = "backend.php?op=feeds&subop=catchupAll";
 238
 239         notify("Marking all feeds as read...");
 240
 241         var feeds_frame = document.getElementById("feeds-frame");
 242
 243         feeds_frame.src = query_str;
 244
 245         global_unread = 0;
 246         updateTitle("");
 247
 248 }
 249
 250 function viewCurrentFeed(skip, subop) {
 251
 252         if (getActiveFeedId()) {
 253                 viewfeed(getActiveFeedId(), skip, subop);
 254         } else {
 255                 disableContainerChildren("headlinesToolbar", false, document);
 256                 viewfeed(-1, skip, subop); // FIXME
 257         }
 258 }
 259
 260 function viewfeed(feed, skip, subop) {
 261         var f = window.frames["feeds-frame"];
 262         f.viewfeed(feed, skip, subop);
 263 }
 264
 265 function timeout() {
 266         scheduleFeedUpdate(false);
 267
 268         var refresh_time = getCookie('ttrss_vf_refresh');
 269
 270         if (!refresh_time) refresh_time = 600;
 271
 272         setTimeout("timeout()", refresh_time*1000);
 273 }
 274
 275 function resetSearch() {
 276         var searchbox = document.getElementById("searchbox")
 277
 278         if (searchbox.value != "" && getActiveFeedId()) {
 279                 searchbox.value = "";
 280                 viewfeed(getActiveFeedId(), 0, "");
 281         }
 282 }
 283
 284 function search() {
 285         closeDlg();
 286         viewCurrentFeed(0, "");
 287 }
 288
 289 function localPiggieFunction(enable) {
 290         if (enable) {
 291                 var query_str = "backend.php?op=feeds&subop=piggie";
 292
 293                 if (xmlhttp_ready(xmlhttp)) {
 294
 295                         xmlhttp.open("GET", query_str, true);
 296                         xmlhttp.onreadystatechange=feedlist_callback;
 297                         xmlhttp.send(null);
 298                 }
 299         }
 300 }
 301
 302 function localHotkeyHandler(keycode) {
 303
 304         if (keycode == 82) { // r
 305                 return scheduleFeedUpdate(true);
 306         }
 307
 308         if (keycode == 85) { // u
 309                 if (getActiveFeedId()) {
 310                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 311                 }
 312         }
 313
 314         if (keycode == 65) { // a
 315                 return toggleDispRead();
 316         }
 317
 318         var f_doc = window.frames["feeds-frame"].document;
 319         var feedlist = f_doc.getElementById('feedList');
 320
 321         if (keycode == 74) { // j
 322                 var feed = getActiveFeedId();
 323                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 324                 if (new_feed) viewfeed(new_feed, 0, '');
 325         }
 326
 327         if (keycode == 75) { // k
 328                 var feed = getActiveFeedId();
 329                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 330                 if (new_feed) viewfeed(new_feed, 0, '');
 331         }
 332
 333 //      notify("KC: " + keycode);
 334
 335 }
 336
 337 // if argument is undefined, current subtitle is not updated
 338 // use blank string to clear subtitle
 339 function updateTitle(s) {
 340         var tmp = "Tiny Tiny RSS";
 341
 342         if (s != undefined) {
 343                 current_subtitle = s;
 344         }
 345
 346         if (global_unread > 0) {
 347                 tmp = tmp + " (" + global_unread + ")";
 348         }
 349
 350         if (current_subtitle) {
 351                 tmp = tmp + " - " + current_subtitle;
 352         }
 353
 354         if (active_title_text.length > 0) {
 355                 tmp = tmp + " > " + active_title_text;
 356         }
 357
 358         document.title = tmp;
 359 }
 360
 361 function genericSanityCheck() {
 362
 363         if (!xmlhttp) fatalError(1);
 364
 365         setCookie("ttrss_vf_test", "TEST");
 366
 367         if (getCookie("ttrss_vf_test") != "TEST") {
 368                 fatalError(2);
 369         }
 370
 371         return true;
 372 }
 373
 374 function init() {
 375
 376         try {
 377
 378                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 379
 380                 if (arguments.callee.done) return;
 381                 arguments.callee.done = true;
 382
 383                 disableContainerChildren("headlinesToolbar", true);
 384
 385                 if (!genericSanityCheck())
 386                         return;
 387
 388                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 389                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 390                 xmlhttp.send(null);
 391
 392         } catch (e) {
 393                 exception_error("init", e);
 394         }
 395 }
 396
 397 function resize_feeds_frame() {
 398         var f = document.getElementById("feeds-frame");
 399         var tf = document.getElementById("mainFooter");
 400         var th = document.getElementById("mainHeader");
 401
 402         f.style.height = document.body.scrollHeight - tf.scrollHeight -
 403                 th.scrollHeight - 50 + "px";
 404 }
 405
 406 function init_second_stage() {
 407
 408         try {
 409
 410                 setCookie("ttrss_vf_actfeed", "");
 411
 412                 updateFeedList(false, false);
 413                 document.onkeydown = hotkey_handler;
 414
 415                 var viewbox = document.getElementById("viewbox");
 416                 var limitbox = document.getElementById("limitbox");
 417
 418                 dropboxSelect(viewbox, getCookie("ttrss_vf_vmode"));
 419                 dropboxSelect(limitbox, getCookie("ttrss_vf_limit"));
 420
 421                 daemon_enabled = getCookie("ttrss_vf_daemon");
 422
 423                 // FIXME should be callled after window resize
 424
 425                 if (navigator.userAgent.match("Opera")) {
 426                         resize_feeds_frame();
 427
 428                         // fix headlines frame height for Opera
 429                         var h = document.getElementById("headlines");
 430                         var c = document.getElementById("content");
 431                         var nh = document.body.scrollHeight * 0.25;
 432
 433                         h.style.height = nh + "px";
 434                         c.style.height = c.scrollHeight - nh + "px";
 435
 436                 }
 437
 438         } catch (e) {
 439                 exception_error("init_second_stage", e);
 440         }
 441 }
 442
 443 function quickMenuChange() {
 444         var chooser = document.getElementById("quickMenuChooser");
 445         var opid = chooser[chooser.selectedIndex].id;
 446
 447         chooser.selectedIndex = 0;
 448         quickMenuGo(opid);
 449 }
 450
 451 function quickMenuGo(opid) {
 452
 453
 454         if (opid == "qmcPrefs") {
 455                 gotoPreferences();
 456         }
 457
 458         if (opid == "qmcSearch") {
 459                 displayDlg("search", getActiveFeedId());
 460                 return;
 461         }
 462
 463         if (opid == "qmcAddFeed") {
 464                 displayDlg("quickAddFeed");
 465                 return;
 466         }
 467
 468         if (opid == "qmcRemoveFeed") {
 469                 var actid = getActiveFeedId();
 470
 471                 if (!actid) {
 472                         notify("Please select some feed first.");
 473                         return;
 474                 }
 475
 476                 if (confirm("Remove current feed?")) {
 477                         qfdDelete(actid);
 478                 }
 479
 480                 return;
 481         }
 482
 483         if (opid == "qmcUpdateFeeds") {
 484                 scheduleFeedUpdate(true);
 485                 return;
 486         }
 487
 488         if (opid == "qmcCatchupAll") {
 489                 catchupAllFeeds();
 490                 return;
 491         }
 492
 493         if (opid == "qmcShowOnlyUnread") {
 494                 toggleDispRead();
 495                 return;
 496         }
 497
 498         if (opid == "qmcAddFilter") {
 499                 displayDlg("quickAddFilter", getActiveFeedId());
 500         }
 501
 502 }
 503
 504 function qafAdd() {
 505
 506         if (!xmlhttp_ready(xmlhttp)) {
 507                 printLockingError();
 508                 return
 509         }
 510
 511         var link = document.getElementById("qafInput");
 512
 513         if (link.value.length == 0) {
 514                 notify("Missing feed URL.");
 515         } else {
 516                 notify("Adding feed...");
 517
 518                 var cat = document.getElementById("qafCat");
 519                 var cat_id = "";
 520
 521                 if (cat) {
 522                         cat_id = cat[cat.selectedIndex].id;
 523                 } else {
 524                         cat_id = 0;
 525                 }
 526
 527                 var feeds_doc = window.frames["feeds-frame"].document;
 528
 529                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 530
 531                 xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=add&link=" +
 532                         param_escape(link.value) + "&cid=" + param_escape(cat_id), true);
 533                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 534                 xmlhttp.send(null);
 535
 536                 link.value = "";
 537
 538         }
 539 }
 540
 541 function qaddFilter() {
 542
 543         if (!xmlhttp_ready(xmlhttp)) {
 544                 printLockingError();
 545                 return
 546         }
 547
 548         var regexp = document.getElementById("fadd_regexp");
 549         var match = document.getElementById("fadd_match");
 550         var feed = document.getElementById("fadd_feed");
 551         var action = document.getElementById("fadd_action");
 552
 553         if (regexp.value.length == 0) {
 554                 notify("Missing filter expression.");
 555         } else {
 556                 notify("Adding filter...");
 557
 558                 var v_match = match[match.selectedIndex].text;
 559                 var feed_id = feed[feed.selectedIndex].id;
 560                 var action_id = action[action.selectedIndex].id;
 561
 562                 xmlhttp.open("GET", "backend.php?op=pref-filters&quiet=1&subop=add&regexp=" +
 563                         param_escape(regexp.value) + "&match=" + v_match +
 564                         "&fid=" + param_escape(feed_id) + "&aid=" + param_escape(action_id), true);
 565
 566                 xmlhttp.onreadystatechange=dlg_submit_callback;
 567                 xmlhttp.send(null);
 568
 569                 regexp.value = "";
 570         }
 571
 572 }
 573
 574
 575 function displayDlg(id, param) {
 576
 577         if (!xmlhttp_ready(xmlhttp)) {
 578                 printLockingError();
 579                 return
 580         }
 581
 582         notify("");
 583
 584         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 585                 param_escape(id) + "&param=" + param_escape(param), true);
 586         xmlhttp.onreadystatechange=dlg_display_callback;
 587         xmlhttp.send(null);
 588
 589         disableHotkeys();
 590 }
 591
 592 function closeDlg() {
 593         var dlg = document.getElementById("userDlgShadow");
 594         dlg.style.display = "none";
 595         enableHotkeys();
 596 }
 597
 598 function qfdDelete(feed_id) {
 599
 600         notify("Removing feed...");
 601
 602         if (!xmlhttp_ready(xmlhttp)) {
 603                 printLockingError();
 604                 return
 605         }
 606
 607 //      var feeds_doc = window.frames["feeds-frame"].document;
 608 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 609
 610         _qfd_deleted_feed = feed_id;
 611
 612         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 613         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 614         xmlhttp.send(null);
 615 }
 616
 617
 618 function allFeedsMenuChange() {
 619         var chooser = document.getElementById("allFeedsChooser");
 620
 621         var opname = chooser[chooser.selectedIndex].text;
 622
 623         chooser.selectedIndex = 0;
 624
 625         if (opname == "Update") {
 626                 scheduleFeedUpdate(true);
 627                 return;
 628         }
 629
 630         if (opname == "Mark as read") {
 631                 catchupAllFeeds();
 632                 return;
 633         }
 634
 635         if (opname == "Show only unread") {
 636                 toggleDispRead();
 637                 return;
 638         }
 639
 640 }
 641
 642 function updateFeedTitle(t) {
 643         active_title_text = t;
 644         updateTitle();
 645 }
 646
 647 function toggleDispRead() {
 648         try {
 649
 650                 if (!xmlhttp_ready(xmlhttp)) {
 651                         printLockingError();
 652                         return
 653                 }
 654
 655                 var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 656
 657                 hide_read_feeds = !hide_read_feeds;
 658
 659                 var query = "backend.php?op=rpc&subop=setpref" +
 660                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 661
 662                 xmlhttp.open("GET", query);
 663                 xmlhttp.onreadystatechange=hide_unread_callback;
 664                 xmlhttp.send(null);
 665
 666         } catch (e) {
 667                 exception_error("toggleDispRead", e);
 668         }
 669 }
 670