tt-rss.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7
   8 var total_unread = 0;
   9 var first_run = true;
  10
  11 var display_tags = false;
  12
  13 var global_unread = 0;
  14
  15 var active_title_text = "";
  16
  17 var current_subtitle = "";
  18
  19 /*@cc_on @*/
  20 /*@if (@_jscript_version >= 5)
  21 // JScript gives us Conditional compilation, we can cope with old IE versions.
  22 // and security blocked creation of the objects.
  23 try {
  24         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  25 } catch (e) {
  26         try {
  27                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  28         } catch (E) {
  29                 xmlhttp = false;
  30         }
  31 }
  32 @end @*/
  33
  34 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  35         xmlhttp = new XMLHttpRequest();
  36 }
  37
  38 function toggleTags() {
  39         display_tags = !display_tags;
  40
  41         var p = document.getElementById("dispSwitchPrompt");
  42
  43         if (display_tags) {
  44                 p.innerHTML = "display feeds";
  45         } else {
  46                 p.innerHTML = "display tags";
  47         }
  48
  49         updateFeedList();
  50 }
  51
  52 function dlg_frefresh_callback() {
  53         if (xmlhttp.readyState == 4) {
  54                 updateFeedList(false, false);
  55                 closeDlg();
  56         }
  57 }
  58
  59 function dialog_refresh_callback() {
  60         if (xmlhttp.readyState == 4) {
  61                 var dlg = document.getElementById("userDlg");
  62
  63                 dlg.innerHTML = xmlhttp.responseText;
  64                 dlg.style.display = "block";
  65         }
  66 }
  67
  68 function refetch_callback() {
  69         if (xmlhttp.readyState == 4) {
  70
  71 //              document.title = "Tiny Tiny RSS";
  72
  73                 if (!xmlhttp.responseXML) {
  74                         notify("refetch_callback: backend did not return valid XML");
  75                         return;
  76                 }
  77
  78                 var reply = xmlhttp.responseXML.firstChild;
  79
  80                 if (!reply) {
  81                         notify("refetch_callback: backend did not return expected XML object");
  82                         return;
  83                 }
  84
  85                 var error_code = reply.getAttribute("error-code");
  86
  87                 if (error_code && error_code != 0) {
  88                         return fatalError(error_code);
  89                 }
  90
  91                 var f_document = window.frames["feeds-frame"].document;
  92
  93                 for (var l = 0; l < reply.childNodes.length; l++) {
  94                         var id = reply.childNodes[l].getAttribute("id");
  95                         var ctr = reply.childNodes[l].getAttribute("counter");
  96
  97                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  98                         var feedu = f_document.getElementById("FEEDU-" + id);
  99                         var feedr = f_document.getElementById("FEEDR-" + id);
 100
 101 /*                      TODO figure out how to update this from viewfeed.js->view()
 102                         disabled for now...
 103
 104                         if (id == "global-unread") {
 105                                 global_unread = ctr;
 106                         } */
 107
 108                         if (feedctr && feedu && feedr) {
 109
 110                                 feedu.innerHTML = ctr;
 111
 112                                 if (ctr > 0) {
 113                                         feedctr.className = "odd";
 114                                         if (!feedr.className.match("Unread")) {
 115                                                 feedr.className = feedr.className + "Unread";
 116                                         }
 117                                 } else {
 118                                         feedctr.className = "invisible";
 119                                         feedr.className = feedr.className.replace("Unread", "");
 120                                 }
 121                         }
 122                 }
 123
 124                 updateTitle("");
 125                 notify("All feeds updated.");
 126
 127         }
 128 }
 129
 130 function backend_sanity_check_callback() {
 131
 132         if (xmlhttp.readyState == 4) {
 133
 134                 if (!xmlhttp.responseXML) {
 135                         fatalError(3);
 136                         return;
 137                 }
 138
 139                 var reply = xmlhttp.responseXML.firstChild;
 140
 141                 if (!reply) {
 142                         fatalError(3);
 143                         return;
 144                 }
 145
 146                 var error_code = reply.getAttribute("error-code");
 147
 148                 if (error_code && error_code != 0) {
 149                         return fatalError(error_code);
 150                 }
 151
 152                 init_second_stage();
 153         }
 154 }
 155
 156 /* wtf this is obsolete
 157 function updateFeed(feed_id) {
 158
 159         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 160
 161         if (xmlhttp_ready(xmlhttp)) {
 162                 xmlhttp.open("GET", query_str, true);
 163                 xmlhttp.onreadystatechange=feed_update_callback;
 164                 xmlhttp.send(null);
 165         } else {
 166                 printLockingError();
 167         }
 168
 169 }
 170 */
 171
 172 function scheduleFeedUpdate(force) {
 173
 174         notify("Updating feeds in background...");
 175
 176 //      document.title = "Tiny Tiny RSS - Updating...";
 177
 178         updateTitle("Updating");
 179
 180         var query_str = "backend.php?op=rpc&subop=";
 181
 182         if (force) {
 183                 query_str = query_str + "forceUpdateAllFeeds";
 184         } else {
 185                 query_str = query_str + "updateAllFeeds";
 186         }
 187
 188         var omode;
 189
 190         if (display_tags) {
 191                 omode = "t";
 192         } else {
 193                 omode = "fl";
 194         }
 195
 196         query_str = query_str + "&omode=" + omode;
 197
 198         if (xmlhttp_ready(xmlhttp)) {
 199                 xmlhttp.open("GET", query_str, true);
 200                 xmlhttp.onreadystatechange=refetch_callback;
 201                 xmlhttp.send(null);
 202         } else {
 203                 printLockingError();
 204         }
 205 }
 206
 207 function updateFeedList(silent, fetch) {
 208
 209 //      if (silent != true) {
 210 //              notify("Loading feed list...");
 211 //      }
 212
 213         var query_str = "backend.php?op=feeds";
 214
 215         if (display_tags) {
 216                 query_str = query_str + "&tags=1";
 217         }
 218
 219         if (getActiveFeedId()) {
 220                 query_str = query_str + "&actid=" + getActiveFeedId();
 221         }
 222
 223         if (fetch) query_str = query_str + "&fetch=yes";
 224
 225         var feeds_frame = document.getElementById("feeds-frame");
 226
 227         feeds_frame.src = query_str;
 228 }
 229
 230 function catchupAllFeeds() {
 231
 232         var query_str = "backend.php?op=feeds&subop=catchupAll";
 233
 234         notify("Marking all feeds as read...");
 235
 236         var feeds_frame = document.getElementById("feeds-frame");
 237
 238         feeds_frame.src = query_str;
 239
 240         global_unread = 0;
 241         updateTitle("");
 242
 243 }
 244
 245 function viewCurrentFeed(skip, subop) {
 246
 247         if (getActiveFeedId()) {
 248                 viewfeed(getActiveFeedId(), skip, subop);
 249         } else {
 250                 disableContainerChildren("headlinesToolbar", false, document);
 251                 viewfeed(-1, skip, subop); // FIXME
 252         }
 253 }
 254
 255 function viewfeed(feed, skip, subop) {
 256         var f = window.frames["feeds-frame"];
 257         f.viewfeed(feed, skip, subop);
 258 }
 259
 260 function timeout() {
 261         scheduleFeedUpdate(false);
 262         setTimeout("timeout()", 1800*1000);
 263 }
 264
 265 function resetSearch() {
 266         var searchbox = document.getElementById("searchbox")
 267
 268         if (searchbox.value != "" && getActiveFeedId()) {
 269                 searchbox.value = "";
 270                 viewfeed(getActiveFeedId(), 0, "");
 271         }
 272 }
 273
 274 function search() {
 275         viewCurrentFeed(0, "");
 276 }
 277
 278 function localPiggieFunction(enable) {
 279         if (enable) {
 280                 var query_str = "backend.php?op=feeds&subop=piggie";
 281
 282                 if (xmlhttp_ready(xmlhttp)) {
 283
 284                         xmlhttp.open("GET", query_str, true);
 285                         xmlhttp.onreadystatechange=feedlist_callback;
 286                         xmlhttp.send(null);
 287                 }
 288         }
 289 }
 290
 291 function localHotkeyHandler(keycode) {
 292
 293 /*      if (keycode == 78) {
 294                 return moveToPost('next');
 295         }
 296
 297         if (keycode == 80) {
 298                 return moveToPost('prev');
 299         } */
 300
 301         if (keycode == 82) { // r
 302                 return scheduleFeedUpdate(true);
 303         }
 304
 305         if (keycode == 85) { // u
 306                 if (getActiveFeedId()) {
 307                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 308                 }
 309         }
 310
 311         if (keycode == 65) { // a
 312                 return toggleDispRead();
 313         }
 314
 315 //      notify("KC: " + keycode);
 316
 317 }
 318
 319 function updateTitle(s) {
 320         var tmp = "Tiny Tiny RSS";
 321
 322         if (s && s.length > 0) {
 323                 current_subtitle = s;
 324         }
 325
 326         if (global_unread > 0) {
 327                 tmp = tmp + " (" + global_unread + ")";
 328         }
 329
 330         if (s) {
 331                 tmp = tmp + " - " + current_subtitle;
 332         }
 333
 334         if (active_title_text.length > 0) {
 335                 tmp = tmp + " > " + active_title_text;
 336         }
 337
 338         document.title = tmp;
 339 }
 340
 341 function genericSanityCheck() {
 342
 343         if (!xmlhttp) fatalError(1);
 344
 345         setCookie("ttrss_vf_test", "TEST");
 346
 347         if (getCookie("ttrss_vf_test") != "TEST") {
 348                 fatalError(2);
 349         }
 350
 351 /*      if (!xmlhttp) {
 352                 document.getElementById("headlines").innerHTML =
 353                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 354                         "to function properly. Your browser doesn't seem to support it.";
 355                 return false;
 356         }
 357
 358         setCookie("ttrss_vf_test", "TEST");
 359         if (getCookie("ttrss_vf_test") != "TEST") {
 360
 361                 document.getElementById("headlines").innerHTML =
 362                         "<b>Fatal error:</b> This program requires cookies " +
 363                         "to function properly. Your browser doesn't seem to support them.";
 364
 365                 return false;
 366         } */
 367
 368         return true;
 369 }
 370
 371 function init() {
 372
 373         disableContainerChildren("headlinesToolbar", true);
 374
 375         if (!genericSanityCheck())
 376                 return;
 377
 378         xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 379         xmlhttp.onreadystatechange=backend_sanity_check_callback;
 380         xmlhttp.send(null);
 381
 382 }
 383
 384 function init_second_stage() {
 385
 386         setCookie("ttrss_vf_actfeed", "");
 387
 388         updateFeedList(false, false);
 389         document.onkeydown = hotkey_handler;
 390
 391         var content = document.getElementById("content");
 392
 393         if (getCookie("ttrss_vf_vmode")) {
 394                 var viewbox = document.getElementById("viewbox");
 395                 viewbox.value = getCookie("ttrss_vf_vmode");
 396         }
 397
 398         if (getCookie("ttrss_vf_limit")) {
 399                 var limitbox = document.getElementById("limitbox");
 400                 limitbox.value = getCookie("ttrss_vf_limit");
 401         }
 402
 403 //      if (getCookie("ttrss_vf_actfeed")) {
 404 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 405 //      }
 406
 407 //      setTimeout("timeout()", 2*1000);
 408 //      scheduleFeedUpdate(true);
 409
 410         var splash = document.getElementById("splash");
 411
 412         if (splash) {
 413                 splash.style.display = "none";
 414         }
 415
 416 }
 417
 418 function quickMenuGo() {
 419
 420         var chooser = document.getElementById("quickMenuChooser");
 421         var opid = chooser[chooser.selectedIndex].id;
 422
 423         if (opid == "qmcPrefs") {
 424                 gotoPreferences();
 425         }
 426
 427         if (opid == "qmcAdvSearch") {
 428                 displayDlg("search");
 429                 return;
 430         }
 431
 432         if (opid == "qmcAddFeed") {
 433                 displayDlg("quickAddFeed");
 434                 return;
 435         }
 436
 437         if (opid == "qmcRemoveFeed") {
 438                 var actid = getActiveFeedId();
 439
 440                 if (!actid) {
 441                         notify("Please select some feed first.");
 442                         return;
 443                 }
 444
 445                 displayDlg("quickDelFeed", actid);
 446                 return;
 447         }
 448
 449         if (opid == "qmcUpdateFeeds") {
 450                 scheduleFeedUpdate(true);
 451                 return;
 452         }
 453
 454         if (opid == "qmcCatchupAll") {
 455                 catchupAllFeeds();
 456                 return;
 457         }
 458
 459         if (opid == "qmcShowOnlyUnread") {
 460                 toggleDispRead();
 461                 return;
 462         }
 463
 464 }
 465
 466 function qafAdd() {
 467
 468         if (!xmlhttp_ready(xmlhttp)) {
 469                 printLockingError();
 470                 return
 471         }
 472
 473         var link = document.getElementById("qafInput");
 474
 475         if (link.value.length == 0) {
 476                 notify("Missing feed URL.");
 477         } else {
 478                 notify("Adding feed...");
 479
 480                 var feeds_doc = window.frames["feeds-frame"].document;
 481
 482                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 483
 484                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 485                         param_escape(link.value), true);
 486                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 487                 xmlhttp.send(null);
 488
 489                 link.value = "";
 490
 491         }
 492 }
 493
 494 function displayDlg(id, param) {
 495
 496         notify("");
 497
 498         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 499                 param_escape(id) + "&param=" + param_escape(param), true);
 500         xmlhttp.onreadystatechange=dialog_refresh_callback;
 501         xmlhttp.send(null);
 502
 503 }
 504
 505 function closeDlg() {
 506         var dlg = document.getElementById("userDlg");
 507         dlg.style.display = "none";
 508 }
 509
 510 function qfdDelete(feed_id) {
 511
 512         notify("Removing feed...");
 513
 514         var feeds_doc = window.frames["feeds-frame"].document;
 515         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 516
 517         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
 518         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 519         xmlhttp.send(null);
 520 }
 521
 522
 523 function allFeedsMenuGo() {
 524         var chooser = document.getElementById("allFeedsChooser");
 525
 526         var opname = chooser[chooser.selectedIndex].text;
 527
 528         if (opname == "Update") {
 529                 scheduleFeedUpdate(true);
 530                 return;
 531         }
 532
 533         if (opname == "Mark as read") {
 534                 catchupAllFeeds();
 535                 return;
 536         }
 537
 538         if (opname == "Show only unread") {
 539                 toggleDispRead();
 540                 return;
 541         }
 542
 543 }
 544
 545 function updateFeedTitle(t) {
 546         active_title_text = t;
 547         updateTitle();
 548 }
 549
 550 function toggleDispRead() {
 551         var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 552
 553         hide_read_feeds = !hide_read_feeds;
 554
 555         var feeds_doc = window.frames["feeds-frame"].document;
 556
 557         hideOrShowFeeds(feeds_doc, hide_read_feeds);
 558
 559         if (hide_read_feeds) {
 560                 setCookie("ttrss_vf_hreadf", 1);
 561         } else {
 562                 setCookie("ttrss_vf_hreadf", 0);
 563         }
 564
 565 }
 566
 567