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                         var counters = reply.firstChild;
  75
  76                         parse_counters(counters, true);
  77
  78                         var runtime_info = counters.nextSibling;
  79
  80                         parse_runtime_info(runtime_info);
  81
  82                         debug("refetch_callback: done");
  83
  84                         if (!daemon_enabled) {
  85                                 notify("All feeds updated.");
  86                                 updateTitle("");
  87                         } else {
  88                                 notify("");
  89                         }
  90                 } catch (e) {
  91                         exception_error("refetch_callback", e);
  92                         updateTitle("");
  93                 }
  94         }
  95 }
  96
  97 function backend_sanity_check_callback() {
  98
  99         if (xmlhttp.readyState == 4) {
 100
 101                 try {
 102
 103                         if (!xmlhttp.responseXML) {
 104                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 105                                 return;
 106                         }
 107
 108                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 109
 110                         if (!reply) {
 111                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 112                                 return;
 113                         }
 114
 115                         var error_code = reply.getAttribute("error-code");
 116
 117                         if (error_code && error_code != 0) {
 118                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 119                         }
 120
 121                         debug("sanity check ok");
 122
 123                         var params = reply.nextSibling;
 124
 125                         if (params) {
 126                                 debug('reading init-params...');
 127                                 var param = params.firstChild;
 128
 129                                 while (param) {
 130                                         var k = param.getAttribute("key");
 131                                         var v = param.getAttribute("value");
 132                                         debug(k + " => " + v);
 133                                         init_params[k] = v;
 134                                         param = param.nextSibling;
 135                                 }
 136                         }
 137
 138                         init_second_stage();
 139
 140                 } catch (e) {
 141                         exception_error("backend_sanity_check_callback", e);
 142                 }
 143         }
 144 }
 145
 146 function scheduleFeedUpdate(force) {
 147
 148         if (!daemon_enabled) {
 149                 notify("Updating feeds, please wait.", true);
 150                 updateTitle("Updating");
 151         }
 152
 153         var query_str = "backend.php?op=rpc&subop=";
 154
 155         if (force) {
 156                 query_str = query_str + "forceUpdateAllFeeds";
 157         } else {
 158                 query_str = query_str + "updateAllFeeds";
 159         }
 160
 161         var omode;
 162
 163         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 164                 firsttime_update = false;
 165                 omode = "T";
 166         } else {
 167                 if (display_tags) {
 168                         omode = "t";
 169                 } else {
 170                         omode = "flc";
 171                 }
 172         }
 173
 174         query_str = query_str + "&omode=" + omode;
 175         query_str = query_str + "&uctr=" + global_unread;
 176
 177         debug("in scheduleFeedUpdate");
 178
 179         var date = new Date();
 180
 181         if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
 182                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 183                 xmlhttp.abort();
 184         }
 185
 186         if (xmlhttp_ready(xmlhttp)) {
 187                 xmlhttp.open("GET", query_str, true);
 188                 xmlhttp.onreadystatechange=refetch_callback;
 189                 xmlhttp.send(null);
 190         } else {
 191                 debug("xmlhttp busy");
 192                 printLockingError();
 193         }
 194 }
 195
 196 function updateFeedList(silent, fetch) {
 197
 198 //      if (silent != true) {
 199 //              notify("Loading feed list...");
 200 //      }
 201
 202         var query_str = "backend.php?op=feeds";
 203
 204         if (display_tags) {
 205                 query_str = query_str + "&tags=1";
 206         }
 207
 208         if (getActiveFeedId()) {
 209                 query_str = query_str + "&actid=" + getActiveFeedId();
 210         }
 211
 212         if (navigator.userAgent.match("Opera")) {
 213                 var date = new Date();
 214                 var timestamp = Math.round(date.getTime() / 1000);
 215                 query_str = query_str + "&ts=" + timestamp
 216         }
 217
 218         if (fetch) query_str = query_str + "&fetch=yes";
 219
 220         var feeds_frame = document.getElementById("feeds-frame");
 221
 222         feeds_frame.src = query_str;
 223 }
 224
 225 function catchupAllFeeds() {
 226
 227         var query_str = "backend.php?op=feeds&subop=catchupAll";
 228
 229         notify("Marking all feeds as read...");
 230
 231         var feeds_frame = document.getElementById("feeds-frame");
 232
 233         feeds_frame.src = query_str;
 234
 235         global_unread = 0;
 236         updateTitle("");
 237
 238 }
 239
 240 function viewCurrentFeed(skip, subop) {
 241
 242         if (getActiveFeedId()) {
 243                 viewfeed(getActiveFeedId(), skip, subop);
 244         } else {
 245                 disableContainerChildren("headlinesToolbar", false, document);
 246                 viewfeed(-1, skip, subop); // FIXME
 247         }
 248         return false; // block unneeded form submits
 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
 259         var refresh_time = getInitParam("feeds_frame_refresh");
 260
 261         if (!refresh_time) refresh_time = 600;
 262
 263         setTimeout("timeout()", refresh_time*1000);
 264 }
 265
 266 function resetSearch() {
 267         var searchbox = document.getElementById("searchbox")
 268
 269         if (searchbox.value != "" && getActiveFeedId()) {
 270                 searchbox.value = "";
 271                 viewfeed(getActiveFeedId(), 0, "");
 272         }
 273 }
 274
 275 function searchCancel() {
 276         closeInfoBox(true);
 277 }
 278
 279 function search() {
 280         closeInfoBox();
 281         viewCurrentFeed(0, "");
 282 }
 283
 284 function localPiggieFunction(enable) {
 285         if (enable) {
 286                 var query_str = "backend.php?op=feeds&subop=piggie";
 287
 288                 if (xmlhttp_ready(xmlhttp)) {
 289
 290                         xmlhttp.open("GET", query_str, true);
 291                         xmlhttp.onreadystatechange=feedlist_callback;
 292                         xmlhttp.send(null);
 293                 }
 294         }
 295 }
 296
 297 // if argument is undefined, current subtitle is not updated
 298 // use blank string to clear subtitle
 299 function updateTitle(s) {
 300         var tmp = "Tiny Tiny RSS";
 301
 302         if (s != undefined) {
 303                 current_subtitle = s;
 304         }
 305
 306         if (global_unread > 0) {
 307                 tmp = tmp + " (" + global_unread + ")";
 308         }
 309
 310         if (current_subtitle) {
 311                 tmp = tmp + " - " + current_subtitle;
 312         }
 313
 314         if (active_title_text.length > 0) {
 315                 tmp = tmp + " > " + active_title_text;
 316         }
 317
 318         document.title = tmp;
 319 }
 320
 321 function genericSanityCheck() {
 322
 323         if (!xmlhttp) fatalError(1);
 324
 325         setCookie("ttrss_vf_test", "TEST");
 326
 327         if (getCookie("ttrss_vf_test") != "TEST") {
 328                 fatalError(2);
 329         }
 330
 331         return true;
 332 }
 333
 334 function init() {
 335
 336         try {
 337
 338                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 339
 340                 if (arguments.callee.done) return;
 341                 arguments.callee.done = true;
 342
 343                 disableContainerChildren("headlinesToolbar", true);
 344
 345                 Form.disable("main_toolbar_form");
 346
 347                 if (!genericSanityCheck())
 348                         return;
 349
 350                 if (getURLParam('debug')) {
 351                         document.getElementById('debug_output').style.display = 'block';
 352                         debug('debug mode activated');
 353                 }
 354
 355                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 356                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 357                 xmlhttp.send(null);
 358
 359         } catch (e) {
 360                 exception_error("init", e);
 361         }
 362 }
 363
 364 function resize_feeds_frame() {
 365         var f = document.getElementById("feeds-frame");
 366         var tf = document.getElementById("mainFooter");
 367         var th = document.getElementById("mainHeader");
 368
 369         f.style.height = document.body.scrollHeight - tf.scrollHeight -
 370                 th.scrollHeight - 50 + "px";
 371 }
 372
 373 function init_second_stage() {
 374
 375         try {
 376
 377                 cookie_lifetime = getCookie("ttrss_cltime");
 378
 379                 delCookie("ttrss_vf_test");
 380
 381                 updateFeedList(false, false);
 382                 document.onkeydown = hotkey_handler;
 383
 384                 var tb = parent.document.forms["main_toolbar_form"];
 385
 386                 dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 387                 dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 388
 389                 daemon_enabled = getInitParam("daemon_enabled");
 390
 391                 // FIXME should be callled after window resize
 392
 393                 var h = document.getElementById("headlines");
 394                 var c = document.getElementById("content");
 395
 396                 if (navigator.userAgent.match("Opera")) {
 397                         resize_feeds_frame();
 398                 }
 399
 400                 debug("second stage ok");
 401
 402         } catch (e) {
 403                 exception_error("init_second_stage", e);
 404         }
 405 }
 406
 407 function quickMenuChange() {
 408         var chooser = document.getElementById("quickMenuChooser");
 409         var opid = chooser[chooser.selectedIndex].value;
 410
 411         chooser.selectedIndex = 0;
 412         quickMenuGo(opid);
 413 }
 414
 415 function quickMenuGo(opid) {
 416         try {
 417
 418                 if (opid == "qmcPrefs") {
 419                         gotoPreferences();
 420                 }
 421
 422                 if (opid == "qmcSearch") {
 423                         displayDlg("search", getActiveFeedId());
 424                         return;
 425                 }
 426
 427                 if (opid == "qmcAddFeed") {
 428                         displayDlg("quickAddFeed");
 429                         return;
 430                 }
 431
 432                 if (opid == "qmcRemoveFeed") {
 433                         var actid = getActiveFeedId();
 434
 435                         if (!actid) {
 436                                 alert("Please select some feed first.");
 437                                 return;
 438                         }
 439
 440                         if (confirm("Unsubscribe from current feed?")) {
 441                                 qfdDelete(actid);
 442                         }
 443
 444                         return;
 445                 }
 446
 447                 if (opid == "qmcUpdateFeeds") {
 448                         scheduleFeedUpdate(true);
 449                         return;
 450                 }
 451
 452                 if (opid == "qmcCatchupAll") {
 453                         catchupAllFeeds();
 454                         return;
 455                 }
 456
 457                 if (opid == "qmcShowOnlyUnread") {
 458                         toggleDispRead();
 459                         return;
 460                 }
 461
 462                 if (opid == "qmcAddFilter") {
 463                         displayDlg("quickAddFilter", getActiveFeedId());
 464                 }
 465         } catch (e) {
 466                 exception_error("quickMenuGo", e);
 467         }
 468 }
 469
 470 function qfdDelete(feed_id) {
 471
 472         notify("Removing feed...");
 473
 474         if (!xmlhttp_ready(xmlhttp)) {
 475                 printLockingError();
 476                 return
 477         }
 478
 479         _qfd_deleted_feed = feed_id;
 480
 481         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 482         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 483         xmlhttp.send(null);
 484 }
 485
 486
 487 function updateFeedTitle(t) {
 488         active_title_text = t;
 489         updateTitle();
 490 }
 491
 492 function toggleDispRead() {
 493         try {
 494
 495                 if (!xmlhttp_ready(xmlhttp)) {
 496                         printLockingError();
 497                         return
 498                 }
 499
 500                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 501
 502                 hide_read_feeds = !hide_read_feeds;
 503
 504                 debug("toggle_disp_read => " + hide_read_feeds);
 505
 506                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 507
 508                 var query = "backend.php?op=rpc&subop=setpref" +
 509                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 510
 511                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 512
 513                 new Ajax.Request(query);
 514
 515         } catch (e) {
 516                 exception_error("toggleDispRead", e);
 517         }
 518 }
 519
 520 function parse_runtime_info(elem) {
 521         var param = elem.firstChild;
 522
 523         while (param) {
 524                 var k = param.getAttribute("key");
 525                 var v = param.getAttribute("value");
 526
 527                 var w = document.getElementById("noDaemonWarning");
 528
 529                 if (w) {
 530                         if (k == "daemon_is_running" && v != 1) {
 531                                 w.style.display = "block";
 532                         } else {
 533                                 w.style.display = "none";
 534                         }
 535                 }
 536                 param = param.nextSibling;
 537         }
 538 }