tt-rss.js

   1 var xmlhttp = false;
   2
   3 var total_unread = 0;
   4 var first_run = true;
   5
   6 var display_tags = false;
   7
   8 var global_unread = -1;
   9
  10 var active_title_text = "";
  11
  12 var current_subtitle = "";
  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                 updateFeedList(false, false);
  50                 closeDlg();
  51         }
  52 }
  53
  54 function dialog_refresh_callback() {
  55         if (xmlhttp.readyState == 4) {
  56                 var dlg = document.getElementById("userDlg");
  57                 var dlg_s = document.getElementById("userDlgShadow");
  58
  59                 dlg.innerHTML = xmlhttp.responseText;
  60                 dlg_s.style.display = "block";
  61         }
  62 }
  63
  64 function refetch_callback() {
  65         if (xmlhttp.readyState == 4) {
  66                 try {
  67
  68                         if (!xmlhttp.responseXML) {
  69                                 notify("refetch_callback: backend did not return valid XML");
  70                                 return;
  71                         }
  72
  73                         var reply = xmlhttp.responseXML.firstChild;
  74
  75                         if (!reply) {
  76                                 notify("refetch_callback: backend did not return expected XML object");
  77                                 return;
  78                         }
  79
  80                         var error_code = reply.getAttribute("error-code");
  81
  82                         if (error_code && error_code != 0) {
  83                                 return fatalError(error_code);
  84                         }
  85
  86                         var f_document = window.frames["feeds-frame"].document;
  87
  88                         for (var l = 0; l < reply.childNodes.length; l++) {
  89                                 var id = reply.childNodes[l].getAttribute("id");
  90                                 var ctr = reply.childNodes[l].getAttribute("counter");
  91
  92                                 var feedctr = f_document.getElementById("FEEDCTR-" + id);
  93                                 var feedu = f_document.getElementById("FEEDU-" + id);
  94                                 var feedr = f_document.getElementById("FEEDR-" + id);
  95
  96                                 if (id == "global-unread") {
  97                                         global_unread = ctr;
  98                                         continue;
  99                                 }
 100
 101                                 if (feedctr && feedu && feedr) {
 102
 103                                         feedu.innerHTML = ctr;
 104
 105                                         if (ctr > 0) {
 106                                                 feedctr.className = "odd";
 107                                                 if (!feedr.className.match("Unread")) {
 108                                                         feedr.className = feedr.className + "Unread";
 109                                                 }
 110                                         } else {
 111                                                 feedctr.className = "invisible";
 112                                                 feedr.className = feedr.className.replace("Unread", "");
 113                                         }
 114                                 }
 115                         }
 116
 117                         updateTitle("");
 118                         notify("All feeds updated.");
 119                 } catch (e) {
 120                         exception_error("refetch_callback", e);
 121                 }
 122         }
 123 }
 124
 125 function backend_sanity_check_callback() {
 126
 127         if (xmlhttp.readyState == 4) {
 128
 129                 try {
 130
 131                         if (!xmlhttp.responseXML) {
 132                                 fatalError(3);
 133                                 return;
 134                         }
 135
 136                         var reply = xmlhttp.responseXML.firstChild;
 137
 138                         if (!reply) {
 139                                 fatalError(3);
 140                                 return;
 141                         }
 142
 143                         var error_code = reply.getAttribute("error-code");
 144
 145                         if (error_code && error_code != 0) {
 146                                 return fatalError(error_code);
 147                         }
 148
 149                         init_second_stage();
 150
 151                 } catch (e) {
 152                         exception_error("backend_sanity_check_callback", e);
 153                 }
 154         }
 155 }
 156
 157 function scheduleFeedUpdate(force) {
 158
 159         notify("Updating feeds in background...");
 160
 161 //      document.title = "Tiny Tiny RSS - Updating...";
 162
 163         updateTitle("Updating");
 164
 165         var query_str = "backend.php?op=rpc&subop=";
 166
 167         if (force) {
 168                 query_str = query_str + "forceUpdateAllFeeds";
 169         } else {
 170                 query_str = query_str + "updateAllFeeds";
 171         }
 172
 173         var omode;
 174
 175         if (display_tags) {
 176                 omode = "t";
 177         } else {
 178                 omode = "fl";
 179         }
 180
 181         query_str = query_str + "&omode=" + omode;
 182
 183         if (xmlhttp_ready(xmlhttp)) {
 184                 xmlhttp.open("GET", query_str, true);
 185                 xmlhttp.onreadystatechange=refetch_callback;
 186                 xmlhttp.send(null);
 187         } else {
 188                 printLockingError();
 189         }
 190 }
 191
 192 function updateFeedList(silent, fetch) {
 193
 194 //      if (silent != true) {
 195 //              notify("Loading feed list...");
 196 //      }
 197
 198         var query_str = "backend.php?op=feeds";
 199
 200         if (display_tags) {
 201                 query_str = query_str + "&tags=1";
 202         }
 203
 204         if (getActiveFeedId()) {
 205                 query_str = query_str + "&actid=" + getActiveFeedId();
 206         }
 207
 208         if (fetch) query_str = query_str + "&fetch=yes";
 209
 210         var feeds_frame = document.getElementById("feeds-frame");
 211
 212         feeds_frame.src = query_str;
 213 }
 214
 215 function catchupAllFeeds() {
 216
 217         var query_str = "backend.php?op=feeds&subop=catchupAll";
 218
 219         notify("Marking all feeds as read...");
 220
 221         var feeds_frame = document.getElementById("feeds-frame");
 222
 223         feeds_frame.src = query_str;
 224
 225         global_unread = 0;
 226         updateTitle("");
 227
 228 }
 229
 230 function viewCurrentFeed(skip, subop) {
 231
 232         if (getActiveFeedId()) {
 233                 viewfeed(getActiveFeedId(), skip, subop);
 234         } else {
 235                 disableContainerChildren("headlinesToolbar", false, document);
 236                 viewfeed(-1, skip, subop); // FIXME
 237         }
 238 }
 239
 240 function viewfeed(feed, skip, subop) {
 241         var f = window.frames["feeds-frame"];
 242         f.viewfeed(feed, skip, subop);
 243 }
 244
 245 function timeout() {
 246         scheduleFeedUpdate(false);
 247         setTimeout("timeout()", 1800*1000);
 248 }
 249
 250 function resetSearch() {
 251         var searchbox = document.getElementById("searchbox")
 252
 253         if (searchbox.value != "" && getActiveFeedId()) {
 254                 searchbox.value = "";
 255                 viewfeed(getActiveFeedId(), 0, "");
 256         }
 257 }
 258
 259 function search() {
 260         viewCurrentFeed(0, "");
 261 }
 262
 263 function localPiggieFunction(enable) {
 264         if (enable) {
 265                 var query_str = "backend.php?op=feeds&subop=piggie";
 266
 267                 if (xmlhttp_ready(xmlhttp)) {
 268
 269                         xmlhttp.open("GET", query_str, true);
 270                         xmlhttp.onreadystatechange=feedlist_callback;
 271                         xmlhttp.send(null);
 272                 }
 273         }
 274 }
 275
 276 function localHotkeyHandler(keycode) {
 277
 278 /*      if (keycode == 78) {
 279                 return moveToPost('next');
 280         }
 281
 282         if (keycode == 80) {
 283                 return moveToPost('prev');
 284         } */
 285
 286         if (keycode == 82) { // r
 287                 return scheduleFeedUpdate(true);
 288         }
 289
 290         if (keycode == 85) { // u
 291                 if (getActiveFeedId()) {
 292                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 293                 }
 294         }
 295
 296         if (keycode == 65) { // a
 297                 return toggleDispRead();
 298         }
 299
 300         var f_doc = window.frames["feeds-frame"].document;
 301         var feedlist = f_doc.getElementById('feedList');
 302
 303         if (keycode == 74) { // j
 304                 var feed = getActiveFeedId();
 305                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 306                 if (new_feed) viewfeed(new_feed, 0, '');
 307         }
 308
 309         if (keycode == 75) { // k
 310                 var feed = getActiveFeedId();
 311                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 312                 if (new_feed) viewfeed(new_feed, 0, '');
 313         }
 314
 315 //      notify("KC: " + keycode);
 316
 317 }
 318
 319 // if argument is undefined, current subtitle is not updated
 320 // use blank string to clear subtitle
 321 function updateTitle(s) {
 322         var tmp = "Tiny Tiny RSS";
 323
 324         if (s && s.length > 0) {
 325                 current_subtitle = s;
 326         }
 327
 328         if (global_unread > 0) {
 329                 tmp = tmp + " (" + global_unread + ")";
 330         }
 331
 332         if (s) {
 333                 tmp = tmp + " - " + current_subtitle;
 334         }
 335
 336         if (active_title_text.length > 0) {
 337                 tmp = tmp + " > " + active_title_text;
 338         }
 339
 340         document.title = tmp;
 341 }
 342
 343 function genericSanityCheck() {
 344
 345         if (!xmlhttp) fatalError(1);
 346
 347         setCookie("ttrss_vf_test", "TEST");
 348
 349         if (getCookie("ttrss_vf_test") != "TEST") {
 350                 fatalError(2);
 351         }
 352
 353         return true;
 354 }
 355
 356 function init() {
 357
 358         try {
 359
 360                 disableContainerChildren("headlinesToolbar", true);
 361
 362                 if (!genericSanityCheck())
 363                         return;
 364
 365                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 366                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 367                 xmlhttp.send(null);
 368
 369         } catch (e) {
 370                 exception_error("init", e);
 371         }
 372 }
 373
 374 function init_second_stage() {
 375
 376         try {
 377
 378                 setCookie("ttrss_vf_actfeed", "");
 379
 380                 updateFeedList(false, false);
 381                 document.onkeydown = hotkey_handler;
 382
 383                 var content = document.getElementById("content");
 384
 385                 if (getCookie("ttrss_vf_vmode")) {
 386                         var viewbox = document.getElementById("viewbox");
 387                         viewbox.value = getCookie("ttrss_vf_vmode");
 388                 }
 389
 390                 if (getCookie("ttrss_vf_limit")) {
 391                         var limitbox = document.getElementById("limitbox");
 392                         limitbox.value = getCookie("ttrss_vf_limit");
 393                 }
 394
 395         //      if (getCookie("ttrss_vf_actfeed")) {
 396         //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 397         //      }
 398
 399         //      setTimeout("timeout()", 2*1000);
 400         //      scheduleFeedUpdate(true);
 401
 402         } catch (e) {
 403                 exception_error("init_second_stage", e);
 404         }
 405 }
 406
 407 function quickMenuGo() {
 408
 409         var chooser = document.getElementById("quickMenuChooser");
 410         var opid = chooser[chooser.selectedIndex].id;
 411
 412         if (opid == "qmcPrefs") {
 413                 gotoPreferences();
 414         }
 415
 416         if (opid == "qmcAdvSearch") {
 417                 displayDlg("search");
 418                 return;
 419         }
 420
 421         if (opid == "qmcAddFeed") {
 422                 displayDlg("quickAddFeed");
 423                 return;
 424         }
 425
 426         if (opid == "qmcRemoveFeed") {
 427                 var actid = getActiveFeedId();
 428
 429                 if (!actid) {
 430                         notify("Please select some feed first.");
 431                         return;
 432                 }
 433
 434                 displayDlg("quickDelFeed", actid);
 435                 return;
 436         }
 437
 438         if (opid == "qmcUpdateFeeds") {
 439                 scheduleFeedUpdate(true);
 440                 return;
 441         }
 442
 443         if (opid == "qmcCatchupAll") {
 444                 catchupAllFeeds();
 445                 return;
 446         }
 447
 448         if (opid == "qmcShowOnlyUnread") {
 449                 toggleDispRead();
 450                 return;
 451         }
 452
 453 }
 454
 455 function qafAdd() {
 456
 457         if (!xmlhttp_ready(xmlhttp)) {
 458                 printLockingError();
 459                 return
 460         }
 461
 462         var link = document.getElementById("qafInput");
 463
 464         if (link.value.length == 0) {
 465                 notify("Missing feed URL.");
 466         } else {
 467                 notify("Adding feed...");
 468
 469                 var feeds_doc = window.frames["feeds-frame"].document;
 470
 471                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 472
 473                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 474                         param_escape(link.value), true);
 475                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 476                 xmlhttp.send(null);
 477
 478                 link.value = "";
 479
 480         }
 481 }
 482
 483 function displayDlg(id, param) {
 484
 485         notify("");
 486
 487         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 488                 param_escape(id) + "&param=" + param_escape(param), true);
 489         xmlhttp.onreadystatechange=dialog_refresh_callback;
 490         xmlhttp.send(null);
 491
 492 }
 493
 494 function closeDlg() {
 495         var dlg = document.getElementById("userDlgShadow");
 496         dlg.style.display = "none";
 497 }
 498
 499 function qfdDelete(feed_id) {
 500
 501         notify("Removing feed...");
 502
 503         var feeds_doc = window.frames["feeds-frame"].document;
 504         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 505
 506         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
 507         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 508         xmlhttp.send(null);
 509 }
 510
 511
 512 function allFeedsMenuGo() {
 513         var chooser = document.getElementById("allFeedsChooser");
 514
 515         var opname = chooser[chooser.selectedIndex].text;
 516
 517         if (opname == "Update") {
 518                 scheduleFeedUpdate(true);
 519                 return;
 520         }
 521
 522         if (opname == "Mark as read") {
 523                 catchupAllFeeds();
 524                 return;
 525         }
 526
 527         if (opname == "Show only unread") {
 528                 toggleDispRead();
 529                 return;
 530         }
 531
 532 }
 533
 534 function updateFeedTitle(t) {
 535         active_title_text = t;
 536         updateTitle();
 537 }
 538
 539 function toggleDispRead() {
 540         var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 541
 542         hide_read_feeds = !hide_read_feeds;
 543
 544         var feeds_doc = window.frames["feeds-frame"].document;
 545
 546         hideOrShowFeeds(feeds_doc, hide_read_feeds);
 547
 548         if (hide_read_feeds) {
 549                 setCookie("ttrss_vf_hreadf", 1);
 550         } else {
 551                 setCookie("ttrss_vf_hreadf", 0);
 552         }
 553
 554 }
 555
 556