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