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 search_query = "";
  12 var search_mode = "";
  13
  14 var display_tags = false;
  15 //var display_read_feeds = true;
  16
  17 var global_unread = 0;
  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 f_document = window.frames["feeds-frame"].document;
  86
  87                 for (var l = 0; l < reply.childNodes.length; l++) {
  88                         var id = reply.childNodes[l].getAttribute("id");
  89                         var ctr = reply.childNodes[l].getAttribute("counter");
  90
  91                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  92                         var feedu = f_document.getElementById("FEEDU-" + id);
  93                         var feedr = f_document.getElementById("FEEDR-" + id);
  94
  95 /*                      TODO figure out how to update this from viewfeed.js->view()
  96                         disabled for now...
  97
  98                         if (id == "global-unread") {
  99                                 global_unread = ctr;
 100                         } */
 101
 102                         if (feedctr && feedu && feedr) {
 103
 104                                 feedu.innerHTML = ctr;
 105
 106                                 if (ctr > 0) {
 107                                         feedctr.className = "odd";
 108                                         if (!feedr.className.match("Unread")) {
 109                                                 feedr.className = feedr.className + "Unread";
 110                                         }
 111                                 } else {
 112                                         feedctr.className = "invisible";
 113                                         feedr.className = feedr.className.replace("Unread", "");
 114                                 }
 115                         }
 116                 }
 117
 118                 updateTitle("");
 119                 notify("All feeds updated.");
 120
 121         }
 122 }
 123
 124 function updateFeed(feed_id) {
 125
 126         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 127
 128         if (xmlhttp_ready(xmlhttp)) {
 129                 xmlhttp.open("GET", query_str, true);
 130                 xmlhttp.onreadystatechange=feed_update_callback;
 131                 xmlhttp.send(null);
 132         } else {
 133                 printLockingError();
 134         }
 135
 136 }
 137
 138 function scheduleFeedUpdate(force) {
 139
 140         notify("Updating feeds in background...");
 141
 142 //      document.title = "Tiny Tiny RSS - Updating...";
 143
 144         updateTitle("Updating...");
 145
 146         var query_str = "backend.php?op=rpc&subop=";
 147
 148         if (force) {
 149                 query_str = query_str + "forceUpdateAllFeeds";
 150         } else {
 151                 query_str = query_str + "updateAllFeeds";
 152         }
 153
 154         var omode;
 155
 156         if (display_tags) {
 157                 omode = "t";
 158         } else {
 159                 omode = "fl";
 160         }
 161
 162         query_str = query_str + "&omode=" + omode;
 163
 164         if (xmlhttp_ready(xmlhttp)) {
 165                 xmlhttp.open("GET", query_str, true);
 166                 xmlhttp.onreadystatechange=refetch_callback;
 167                 xmlhttp.send(null);
 168         } else {
 169                 printLockingError();
 170         }
 171 }
 172
 173 function updateFeedList(silent, fetch) {
 174
 175 //      if (silent != true) {
 176 //              notify("Loading feed list...");
 177 //      }
 178
 179         var query_str = "backend.php?op=feeds";
 180
 181         if (display_tags) {
 182                 query_str = query_str + "&tags=1";
 183         }
 184
 185         if (getActiveFeedId()) {
 186                 query_str = query_str + "&actid=" + getActiveFeedId();
 187         }
 188
 189         if (fetch) query_str = query_str + "&fetch=yes";
 190
 191         var feeds_frame = document.getElementById("feeds-frame");
 192
 193         feeds_frame.src = query_str;
 194 }
 195
 196 function catchupAllFeeds() {
 197
 198         var query_str = "backend.php?op=feeds&subop=catchupAll";
 199
 200         notify("Marking all feeds as read...");
 201
 202         var feeds_frame = document.getElementById("feeds-frame");
 203
 204         feeds_frame.src = query_str;
 205
 206         global_unread = 0;
 207         updateTitle();
 208
 209 }
 210
 211 function viewCurrentFeed(skip, subop) {
 212
 213         if (getActiveFeedId()) {
 214                 viewfeed(getActiveFeedId(), skip, subop);
 215         } else {
 216                 disableContainerChildren("headlinesToolbar", false, document);
 217                 viewfeed(-1, skip, subop); // FIXME
 218         }
 219 }
 220
 221 function viewfeed(feed, skip, subop) {
 222
 223 //      notify("Loading headlines...");
 224
 225         enableHotkeys();
 226
 227         var searchbox = document.getElementById("searchbox");
 228
 229         if (searchbox) {
 230                 search_query = searchbox.value;
 231         } else {
 232                 search_query = "";
 233         }
 234
 235         var searchmodebox = document.getElementById("searchmodebox");
 236
 237         if (searchmodebox) {
 238                 search_mode = searchmodebox.value;
 239         } else {
 240                 search_mode = "";
 241         }
 242
 243         setCookie("ttrss_vf_smode", search_mode);
 244
 245         var viewbox = document.getElementById("viewbox");
 246
 247         var view_mode;
 248
 249         if (viewbox) {
 250                 view_mode = viewbox[viewbox.selectedIndex].text;
 251         } else {
 252                 view_mode = "All Posts";
 253         }
 254
 255         setCookie("ttrss_vf_vmode", view_mode);
 256
 257         var limitbox = document.getElementById("limitbox");
 258
 259         var limit;
 260
 261         if (limitbox) {
 262                 limit = limitbox[limitbox.selectedIndex].text;
 263                 setCookie("ttrss_vf_limit", limit);
 264         } else {
 265                 limit = "All";
 266         }
 267
 268         setActiveFeedId(feed);
 269
 270         var f_doc = frames["feeds-frame"].document;
 271
 272 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 273
 274         if (subop == "MarkAllRead") {
 275
 276                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 277                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 278
 279                 feedctr.className = "invisible";
 280
 281                 if (feedr.className.match("Unread")) {
 282                         feedr.className = feedr.className.replace("Unread", "");
 283                 }
 284         }
 285
 286         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 287                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 288                 "&view=" + param_escape(view_mode) + "&limit=" + limit +
 289                 "&smode=" + param_escape(search_mode);
 290
 291         if (search_query != "") {
 292                 query = query + "&search=" + param_escape(search_query);
 293         }
 294
 295         var headlines_frame = parent.frames["headlines-frame"];
 296
 297         headlines_frame.location.href = query + "&addheader=true";
 298
 299         cleanSelected("feedsList");
 300         var feedr = document.getElementById("FEEDR-" + feed);
 301         if (feedr) {
 302                 feedr.className = feedr.className + "Selected";
 303         }
 304
 305         disableContainerChildren("headlinesToolbar", false, doc);
 306
 307         var btnMarkAsRead = document.getElementById("btnMarkFeedAsRead");
 308
 309         if (btnMarkAsRead && !isNumeric(feed)) {
 310                 btnMarkAsRead.disabled = true;
 311                 btnMarkAsRead.className = "disabledButton";
 312         }
 313
 314 //      notify("");
 315
 316 }
 317
 318
 319 function timeout() {
 320         scheduleFeedUpdate(true);
 321         setTimeout("timeout()", 1800*1000);
 322 }
 323
 324 function resetSearch() {
 325         var searchbox = document.getElementById("searchbox")
 326
 327         if (searchbox.value != "" && getActiveFeedId()) {
 328                 searchbox.value = "";
 329                 viewfeed(getActiveFeedId(), 0, "");
 330         }
 331 }
 332
 333 function search() {
 334         viewCurrentFeed(0, "");
 335 }
 336
 337 function localPiggieFunction(enable) {
 338         if (enable) {
 339                 var query_str = "backend.php?op=feeds&subop=piggie";
 340
 341                 if (xmlhttp_ready(xmlhttp)) {
 342
 343                         xmlhttp.open("GET", query_str, true);
 344                         xmlhttp.onreadystatechange=feedlist_callback;
 345                         xmlhttp.send(null);
 346                 }
 347         }
 348 }
 349
 350 function localHotkeyHandler(keycode) {
 351
 352 /*      if (keycode == 78) {
 353                 return moveToPost('next');
 354         }
 355
 356         if (keycode == 80) {
 357                 return moveToPost('prev');
 358         } */
 359
 360         if (keycode == 82) {
 361                 return scheduleFeedUpdate(true);
 362         }
 363
 364         if (keycode == 85) {
 365                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 366         }
 367
 368 //      notify("KC: " + keycode);
 369
 370 }
 371
 372 function updateTitle(s) {
 373         var tmp = "Tiny Tiny RSS";
 374
 375         if (global_unread > 0) {
 376                 tmp = tmp + " (" + global_unread + ")";
 377         }
 378
 379         if (s) {
 380                 tmp = tmp + " - " + s;
 381         }
 382         document.title = tmp;
 383 }
 384
 385 function genericSanityCheck() {
 386
 387         if (!xmlhttp) {
 388                 document.getElementById("headlines").innerHTML =
 389                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 390                         "to function properly. Your browser doesn't seem to support it.";
 391                 return false;
 392         }
 393
 394         setCookie("ttrss_vf_test", "TEST");
 395         if (getCookie("ttrss_vf_test") != "TEST") {
 396
 397                 document.getElementById("headlines").innerHTML =
 398                         "<b>Fatal error:</b> This program requires cookies " +
 399                         "to function properly. Your browser doesn't seem to support them.";
 400
 401                 return false;
 402         }
 403
 404         return true;
 405 }
 406
 407 function init() {
 408
 409         disableContainerChildren("headlinesToolbar", true);
 410
 411         if (!genericSanityCheck())
 412                 return;
 413
 414         setCookie("ttrss_vf_actfeed", "");
 415
 416         updateFeedList(false, false);
 417         document.onkeydown = hotkey_handler;
 418
 419         setTimeout("timeout()", 1800*1000);
 420         scheduleFeedUpdate(true);
 421
 422         var content = document.getElementById("content");
 423
 424         if (getCookie("ttrss_vf_vmode")) {
 425                 var viewbox = document.getElementById("viewbox");
 426                 viewbox.value = getCookie("ttrss_vf_vmode");
 427         }
 428
 429         if (getCookie("ttrss_vf_limit")) {
 430                 var limitbox = document.getElementById("limitbox");
 431                 limitbox.value = getCookie("ttrss_vf_limit");
 432         }
 433
 434 //      if (getCookie("ttrss_vf_actfeed")) {
 435 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 436 //      }
 437
 438 }
 439
 440 function quickMenuGo() {
 441         var chooser = document.getElementById("quickMenuChooser");
 442
 443         var opname = chooser[chooser.selectedIndex].text;
 444
 445         if (opname == "Preferences") {
 446                 gotoPreferences();
 447         }
 448
 449         if (opname == "Extended search") {
 450                 displayDlg("search");
 451                 return;
 452         }
 453
 454         if (opname.match("Add new feed")) {
 455                 displayDlg("quickAddFeed");
 456                 return;
 457         }
 458
 459         if (opname.match("Remove this feed")) {
 460                 var actid = getActiveFeedId();
 461
 462                 if (!actid) {
 463                         notify("Please select some feed first.");
 464                         return;
 465                 }
 466
 467                 displayDlg("quickDelFeed", actid);
 468                 return;
 469         }
 470 }
 471
 472 function qafAdd() {
 473
 474         if (!xmlhttp_ready(xmlhttp)) {
 475                 printLockingError();
 476                 return
 477         }
 478
 479         var link = document.getElementById("qafInput");
 480
 481         if (link.value.length == 0) {
 482                 notify("Missing feed URL.");
 483         } else {
 484                 notify("Adding feed...");
 485
 486                 var feeds_doc = window.frames["feeds-frame"].document;
 487
 488                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 489
 490                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 491                         param_escape(link.value), true);
 492                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 493                 xmlhttp.send(null);
 494
 495                 link.value = "";
 496
 497         }
 498 }
 499
 500 function displayDlg(id, param) {
 501
 502         notify("");
 503
 504         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 505                 param_escape(id) + "&param=" + param_escape(param), true);
 506         xmlhttp.onreadystatechange=dialog_refresh_callback;
 507         xmlhttp.send(null);
 508
 509 }
 510
 511 function closeDlg() {
 512         var dlg = document.getElementById("userDlg");
 513         dlg.style.display = "none";
 514 }
 515
 516 function qfdDelete(feed_id) {
 517
 518         notify("Removing feed...");
 519
 520         var feeds_doc = window.frames["feeds-frame"].document;
 521         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 522
 523         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
 524         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 525         xmlhttp.send(null);
 526 }
 527
 528
 529 function allFeedsMenuGo() {
 530         var chooser = document.getElementById("allFeedsChooser");
 531
 532         var opname = chooser[chooser.selectedIndex].text;
 533
 534         if (opname == "Update") {
 535                 scheduleFeedUpdate(true);
 536                 return;
 537         }
 538
 539         if (opname == "Mark as read") {
 540                 catchupAllFeeds();
 541                 return;
 542         }
 543
 544         if (opname == "Toggle display read") {
 545                 toggleDispRead();
 546                 return;
 547         }
 548
 549 }
 550
 551 function toggleDispRead() {
 552         var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 553
 554         hide_read_feeds = !hide_read_feeds;
 555
 556         var feeds_doc = window.frames["feeds-frame"].document;
 557
 558         hideOrShowFeeds(feeds_doc, hide_read_feeds);
 559
 560         if (hide_read_feeds) {
 561                 setCookie("ttrss_vf_hreadf", 1);
 562         } else {
 563                 setCookie("ttrss_vf_hreadf", 0);
 564         }
 565
 566 }