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