tt-rss.js

   1 var xmlhttp = false;
   2 var total_unread = 0;
   3 var first_run = true;
   4 var display_tags = false;
   5 var global_unread = -1;
   6 var active_title_text = "";
   7 var current_subtitle = "";
   8 var daemon_enabled = false;
   9 var _qfd_deleted_feed = 0;
  10 var firsttime_update = true;
  11 var last_refetch = 0;
  12 var cookie_lifetime = 0;
  13 var active_feed_id = 0;
  14
  15 var xmlhttp = Ajax.getTransport();
  16
  17 var init_params = new Array();
  18
  19 function toggleTags() {
  20         display_tags = !display_tags;
  21
  22         var p = document.getElementById("dispSwitchPrompt");
  23
  24         if (display_tags) {
  25                 p.innerHTML = "display feeds";
  26         } else {
  27                 p.innerHTML = "display tags";
  28         }
  29
  30         updateFeedList();
  31 }
  32
  33 function dlg_frefresh_callback() {
  34         if (xmlhttp.readyState == 4) {
  35                 notify(xmlhttp.responseText);
  36                 updateFeedList(false, false);
  37                 if (_qfd_deleted_feed) {
  38                         var hframe = document.getElementById("headlines-frame");
  39                         if (hframe) {
  40                                 hframe.src = "backend.php?op=error&msg=No%20feed%20selected.";
  41                         }
  42                 }
  43                 closeInfoBox();
  44         }
  45 }
  46
  47 function refetch_callback() {
  48         if (xmlhttp.readyState == 4) {
  49                 try {
  50
  51                         var date = new Date();
  52
  53                         last_refetch = date.getTime() / 1000;
  54
  55                         if (!xmlhttp.responseXML) {
  56                                 notify("refetch_callback: backend did not return valid XML", true, true);
  57                                 return;
  58                         }
  59
  60                         var reply = xmlhttp.responseXML.firstChild;
  61
  62                         if (!reply) {
  63                                 notify("refetch_callback: backend did not return expected XML object", true, true);
  64                                 updateTitle("");
  65                                 return;
  66                         }
  67
  68                         var error_code = reply.getAttribute("error-code");
  69
  70                         if (error_code && error_code != 0) {
  71                                 return fatalError(error_code, reply.getAttribute("error-msg"));
  72                         }
  73
  74                         parse_counters(reply, true);
  75
  76                         debug("refetch_callback: done");
  77
  78                         if (!daemon_enabled) {
  79                                 notify("All feeds updated.");
  80                                 updateTitle("");
  81                         } else {
  82                                 notify("");
  83                         }
  84                 } catch (e) {
  85                         exception_error("refetch_callback", e);
  86                         updateTitle("");
  87                 }
  88         }
  89 }
  90
  91 function backend_sanity_check_callback() {
  92
  93         if (xmlhttp.readyState == 4) {
  94
  95                 try {
  96
  97                         if (!xmlhttp.responseXML) {
  98                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
  99                                 return;
 100                         }
 101
 102                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 103
 104                         if (!reply) {
 105                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 106                                 return;
 107                         }
 108
 109                         var error_code = reply.getAttribute("error-code");
 110
 111                         if (error_code && error_code != 0) {
 112                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 113                         }
 114
 115                         debug("sanity check ok");
 116
 117                         var params = reply.nextSibling;
 118
 119                         if (params) {
 120                                 debug('reading init-params...');
 121                                 var param = params.firstChild;
 122
 123                                 while (param) {
 124                                         var k = param.getAttribute("key");
 125                                         var v = param.getAttribute("value");
 126                                         debug(k + " => " + v);
 127                                         init_params[k] = v;
 128                                         param = param.nextSibling;
 129                                 }
 130                         }
 131
 132                         init_second_stage();
 133
 134                 } catch (e) {
 135                         exception_error("backend_sanity_check_callback", e);
 136                 }
 137         }
 138 }
 139
 140 function scheduleFeedUpdate(force) {
 141
 142         if (!daemon_enabled) {
 143                 notify("Updating feeds, please wait.", true);
 144                 updateTitle("Updating");
 145         }
 146
 147         var query_str = "backend.php?op=rpc&subop=";
 148
 149         if (force) {
 150                 query_str = query_str + "forceUpdateAllFeeds";
 151         } else {
 152                 query_str = query_str + "updateAllFeeds";
 153         }
 154
 155         var omode;
 156
 157         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 158                 firsttime_update = false;
 159                 omode = "T";
 160         } else {
 161                 if (display_tags) {
 162                         omode = "t";
 163                 } else {
 164                         omode = "flc";
 165                 }
 166         }
 167
 168         query_str = query_str + "&omode=" + omode;
 169         query_str = query_str + "&uctr=" + global_unread;
 170
 171         debug("in scheduleFeedUpdate");
 172
 173         var date = new Date();
 174
 175         if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
 176                 debug("xmlhttp seems to be stuck, aborting");
 177                 xmlhttp.abort();
 178         }
 179
 180         if (xmlhttp_ready(xmlhttp)) {
 181                 xmlhttp.open("GET", query_str, true);
 182                 xmlhttp.onreadystatechange=refetch_callback;
 183                 xmlhttp.send(null);
 184         } else {
 185                 debug("xmlhttp busy");
 186                 printLockingError();
 187         }
 188 }
 189
 190 function updateFeedList(silent, fetch) {
 191
 192 //      if (silent != true) {
 193 //              notify("Loading feed list...");
 194 //      }
 195
 196         var query_str = "backend.php?op=feeds";
 197
 198         if (display_tags) {
 199                 query_str = query_str + "&tags=1";
 200         }
 201
 202         if (getActiveFeedId()) {
 203                 query_str = query_str + "&actid=" + getActiveFeedId();
 204         }
 205
 206         if (navigator.userAgent.match("Opera")) {
 207                 var date = new Date();
 208                 var timestamp = Math.round(date.getTime() / 1000);
 209                 query_str = query_str + "&ts=" + timestamp
 210         }
 211
 212         if (fetch) query_str = query_str + "&fetch=yes";
 213
 214         var feeds_frame = document.getElementById("feeds-frame");
 215
 216         feeds_frame.src = query_str;
 217 }
 218
 219 function catchupAllFeeds() {
 220
 221         var query_str = "backend.php?op=feeds&subop=catchupAll";
 222
 223         notify("Marking all feeds as read...");
 224
 225         var feeds_frame = document.getElementById("feeds-frame");
 226
 227         feeds_frame.src = query_str;
 228
 229         global_unread = 0;
 230         updateTitle("");
 231
 232 }
 233
 234 function viewCurrentFeed(skip, subop) {
 235
 236         if (getActiveFeedId()) {
 237                 viewfeed(getActiveFeedId(), skip, subop);
 238         } else {
 239                 disableContainerChildren("headlinesToolbar", false, document);
 240                 viewfeed(-1, skip, subop); // FIXME
 241         }
 242         return false; // block unneeded form submits
 243 }
 244
 245 function viewfeed(feed, skip, subop) {
 246         var f = window.frames["feeds-frame"];
 247         f.viewfeed(feed, skip, subop);
 248 }
 249
 250 function timeout() {
 251         scheduleFeedUpdate(false);
 252
 253         var refresh_time = getInitParam("feeds_frame_refresh");
 254
 255         if (!refresh_time) refresh_time = 600;
 256
 257         setTimeout("timeout()", refresh_time*1000);
 258 }
 259
 260 function resetSearch() {
 261         var searchbox = document.getElementById("searchbox")
 262
 263         if (searchbox.value != "" && getActiveFeedId()) {
 264                 searchbox.value = "";
 265                 viewfeed(getActiveFeedId(), 0, "");
 266         }
 267 }
 268
 269 function searchCancel() {
 270         closeInfoBox(true);
 271 }
 272
 273 function search() {
 274         closeInfoBox();
 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 == 82) { // r
 294                 return scheduleFeedUpdate(true);
 295         }
 296
 297         if (keycode == 85) { // u
 298                 if (getActiveFeedId()) {
 299                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 300                 }
 301         }
 302
 303         if (keycode == 65) { // a
 304                 return toggleDispRead();
 305         }
 306
 307         var f_doc = window.frames["feeds-frame"].document;
 308         var feedlist = f_doc.getElementById('feedList');
 309
 310         if (keycode == 74) { // j
 311                 var feed = getActiveFeedId();
 312                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 313                 if (new_feed) viewfeed(new_feed, 0, '');
 314         }
 315
 316         if (keycode == 75) { // k
 317                 var feed = getActiveFeedId();
 318                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 319                 if (new_feed) viewfeed(new_feed, 0, '');
 320         }
 321
 322 //      notify("KC: " + keycode);
 323
 324 }
 325
 326 // if argument is undefined, current subtitle is not updated
 327 // use blank string to clear subtitle
 328 function updateTitle(s) {
 329         var tmp = "Tiny Tiny RSS";
 330
 331         if (s != undefined) {
 332                 current_subtitle = s;
 333         }
 334
 335         if (global_unread > 0) {
 336                 tmp = tmp + " (" + global_unread + ")";
 337         }
 338
 339         if (current_subtitle) {
 340                 tmp = tmp + " - " + current_subtitle;
 341         }
 342
 343         if (active_title_text.length > 0) {
 344                 tmp = tmp + " > " + active_title_text;
 345         }
 346
 347         document.title = tmp;
 348 }
 349
 350 function genericSanityCheck() {
 351
 352         if (!xmlhttp) fatalError(1);
 353
 354         setCookie("ttrss_vf_test", "TEST");
 355
 356         if (getCookie("ttrss_vf_test") != "TEST") {
 357                 fatalError(2);
 358         }
 359
 360         return true;
 361 }
 362
 363 function init() {
 364
 365         try {
 366
 367                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 368
 369                 if (arguments.callee.done) return;
 370                 arguments.callee.done = true;
 371
 372                 disableContainerChildren("headlinesToolbar", true);
 373
 374                 Form.disable("main_toolbar_form");
 375
 376                 if (!genericSanityCheck())
 377                         return;
 378
 379                 if (getURLParam('debug')) {
 380                         document.getElementById('debug_output').style.display = 'block';
 381                         debug('debug mode activated');
 382                 }
 383
 384                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 385                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 386                 xmlhttp.send(null);
 387
 388         } catch (e) {
 389                 exception_error("init", e);
 390         }
 391 }
 392
 393 function resize_feeds_frame() {
 394         var f = document.getElementById("feeds-frame");
 395         var tf = document.getElementById("mainFooter");
 396         var th = document.getElementById("mainHeader");
 397
 398         f.style.height = document.body.scrollHeight - tf.scrollHeight -
 399                 th.scrollHeight - 50 + "px";
 400 }
 401
 402 function init_second_stage() {
 403
 404         try {
 405
 406                 cookie_lifetime = getCookie("ttrss_cltime");
 407
 408                 delCookie("ttrss_vf_test");
 409
 410                 updateFeedList(false, false);
 411                 document.onkeydown = hotkey_handler;
 412
 413                 var tb = parent.document.forms["main_toolbar_form"];
 414
 415                 dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 416                 dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 417
 418                 daemon_enabled = getInitParam("daemon_enabled");
 419
 420                 // FIXME should be callled after window resize
 421
 422                 var h = document.getElementById("headlines");
 423                 var c = document.getElementById("content");
 424
 425                 if (navigator.userAgent.match("Opera")) {
 426                         resize_feeds_frame();
 427
 428 /*                      // fix headlines frame height for Opera
 429                         var h = document.getElementById("headlines");
 430                         var c = document.getElementById("content");
 431                         var nh = document.body.scrollHeight * 0.25;
 432
 433                         h.style.height = nh + "px";
 434                         c.style.height = c.scrollHeight - nh + "px"; */
 435
 436                 }
 437
 438                 debug("second stage ok");
 439
 440         } catch (e) {
 441                 exception_error("init_second_stage", e);
 442         }
 443 }
 444
 445 function quickMenuChange() {
 446         var chooser = document.getElementById("quickMenuChooser");
 447         var opid = chooser[chooser.selectedIndex].value;
 448
 449         chooser.selectedIndex = 0;
 450         quickMenuGo(opid);
 451 }
 452
 453 function quickMenuGo(opid) {
 454         try {
 455
 456                 if (opid == "qmcPrefs") {
 457                         gotoPreferences();
 458                 }
 459
 460                 if (opid == "qmcSearch") {
 461                         displayDlg("search", getActiveFeedId());
 462                         return;
 463                 }
 464
 465                 if (opid == "qmcAddFeed") {
 466                         displayDlg("quickAddFeed");
 467                         return;
 468                 }
 469
 470                 if (opid == "qmcRemoveFeed") {
 471                         var actid = getActiveFeedId();
 472
 473                         if (!actid) {
 474                                 alert("Please select some feed first.");
 475                                 return;
 476                         }
 477
 478                         if (confirm("Unsubscribe from current feed?")) {
 479                                 qfdDelete(actid);
 480                         }
 481
 482                         return;
 483                 }
 484
 485                 if (opid == "qmcUpdateFeeds") {
 486                         scheduleFeedUpdate(true);
 487                         return;
 488                 }
 489
 490                 if (opid == "qmcCatchupAll") {
 491                         catchupAllFeeds();
 492                         return;
 493                 }
 494
 495                 if (opid == "qmcShowOnlyUnread") {
 496                         toggleDispRead();
 497                         return;
 498                 }
 499
 500                 if (opid == "qmcAddFilter") {
 501                         displayDlg("quickAddFilter", getActiveFeedId());
 502                 }
 503         } catch (e) {
 504                 exception_error("quickMenuGo", e);
 505         }
 506 }
 507
 508 function qfdDelete(feed_id) {
 509
 510         notify("Removing feed...");
 511
 512         if (!xmlhttp_ready(xmlhttp)) {
 513                 printLockingError();
 514                 return
 515         }
 516
 517 //      var feeds_doc = window.frames["feeds-frame"].document;
 518 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 519
 520         _qfd_deleted_feed = feed_id;
 521
 522         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 523         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 524         xmlhttp.send(null);
 525 }
 526
 527
 528 function updateFeedTitle(t) {
 529         active_title_text = t;
 530         updateTitle();
 531 }
 532
 533 function toggleDispRead() {
 534         try {
 535
 536                 if (!xmlhttp_ready(xmlhttp)) {
 537                         printLockingError();
 538                         return
 539                 }
 540
 541                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 542
 543                 hide_read_feeds = !hide_read_feeds;
 544
 545                 debug("toggle_disp_read => " + hide_read_feeds);
 546
 547                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 548
 549                 var query = "backend.php?op=rpc&subop=setpref" +
 550                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 551
 552                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 553
 554                 new Ajax.Request(query);
 555
 556         } catch (e) {
 557                 exception_error("toggleDispRead", e);
 558         }
 559 }
 560
 561 function fatalError(code, message) {
 562         try {
 563                 var fe = document.getElementById("fatal_error");
 564                 var fc = document.getElementById("fatal_error_msg");
 565
 566                 fc.innerHTML = "Code " + code + ": " + message;
 567
 568                 fe.style.display = "block";
 569
 570         } catch (e) {
 571                 exception_error("fatalError", e);
 572         }
 573 }
 574
 575