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 daemon_refresh_only = false;
  10 var _qfd_deleted_feed = 0;
  11 var firsttime_update = true;
  12 var last_refetch = 0;
  13 var cookie_lifetime = 0;
  14 var active_feed_id = 0;
  15 var active_feed_is_cat = false;
  16 var number_of_feeds = 0;
  17
  18 var xmlhttp = Ajax.getTransport();
  19
  20 var init_params = new Object();
  21
  22 function toggleTags() {
  23         display_tags = !display_tags;
  24
  25         var p = document.getElementById("dispSwitchPrompt");
  26
  27         if (display_tags) {
  28                 p.innerHTML = "display feeds";
  29         } else {
  30                 p.innerHTML = "display tags";
  31         }
  32
  33         updateFeedList();
  34 }
  35
  36 function dlg_frefresh_callback() {
  37         if (xmlhttp.readyState == 4) {
  38                 notify(xmlhttp.responseText);
  39                 updateFeedList(false, false);
  40                 if (_qfd_deleted_feed) {
  41                         var hframe = document.getElementById("headlines-frame");
  42                         if (hframe) {
  43                                 hframe.src = "backend.php?op=error&msg=No%20feed%20selected.";
  44                         }
  45                 }
  46                 closeInfoBox();
  47         }
  48 }
  49
  50 function refetch_callback() {
  51         if (xmlhttp.readyState == 4) {
  52                 try {
  53
  54                         var date = new Date();
  55
  56                         last_refetch = date.getTime() / 1000;
  57
  58                         if (!xmlhttp.responseXML) {
  59                                 notify("refetch_callback: backend did not return valid XML", true, true);
  60                                 return;
  61                         }
  62
  63                         var reply = xmlhttp.responseXML.firstChild;
  64
  65                         if (!reply) {
  66                                 notify("refetch_callback: backend did not return expected XML object", true, true);
  67                                 updateTitle("");
  68                                 return;
  69                         }
  70
  71                         var error_code = reply.getAttribute("error-code");
  72
  73                         if (error_code && error_code != 0) {
  74                                 return fatalError(error_code, reply.getAttribute("error-msg"));
  75                         }
  76
  77                         var counters = reply.firstChild;
  78
  79                         parse_counters(counters, true);
  80
  81                         var runtime_info = counters.nextSibling;
  82
  83                         parse_runtime_info(runtime_info);
  84
  85                         debug("refetch_callback: done");
  86
  87                         if (!daemon_enabled && !daemon_refresh_only) {
  88                                 notify("All feeds updated.");
  89                                 updateTitle("");
  90                         } else {
  91                                 notify("");
  92                         }
  93                 } catch (e) {
  94                         exception_error("refetch_callback", e);
  95                         updateTitle("");
  96                 }
  97         }
  98 }
  99
 100 function backend_sanity_check_callback() {
 101
 102         if (xmlhttp.readyState == 4) {
 103
 104                 try {
 105
 106                         if (!xmlhttp.responseXML) {
 107                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 108                                 return;
 109                         }
 110
 111                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 112
 113                         if (!reply) {
 114                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 115                                 return;
 116                         }
 117
 118                         var error_code = reply.getAttribute("error-code");
 119
 120                         if (error_code && error_code != 0) {
 121                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 122                         }
 123
 124                         debug("sanity check ok");
 125
 126                         var params = reply.nextSibling;
 127
 128                         if (params) {
 129                                 debug('reading init-params...');
 130                                 var param = params.firstChild;
 131
 132                                 while (param) {
 133                                         var k = param.getAttribute("key");
 134                                         var v = param.getAttribute("value");
 135                                         debug(k + " => " + v);
 136                                         init_params[k] = v;
 137                                         param = param.nextSibling;
 138                                 }
 139                         }
 140
 141                         init_second_stage();
 142
 143                 } catch (e) {
 144                         exception_error("backend_sanity_check_callback", e);
 145                 }
 146         }
 147 }
 148
 149 function scheduleFeedUpdate(force) {
 150
 151         if (!daemon_enabled && !daemon_refresh_only) {
 152                 notify("Updating feeds, please wait.", true);
 153                 updateTitle("Updating");
 154         }
 155
 156         var query_str = "backend.php?op=rpc&subop=";
 157
 158         if (force) {
 159                 query_str = query_str + "forceUpdateAllFeeds";
 160         } else {
 161                 query_str = query_str + "updateAllFeeds";
 162         }
 163
 164         var omode;
 165
 166         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 167                 firsttime_update = false;
 168                 omode = "T";
 169         } else {
 170                 if (display_tags) {
 171                         omode = "t";
 172                 } else {
 173                         omode = "flc";
 174                 }
 175         }
 176
 177         query_str = query_str + "&omode=" + omode;
 178         query_str = query_str + "&uctr=" + global_unread;
 179
 180         debug("in scheduleFeedUpdate");
 181
 182         var date = new Date();
 183
 184         if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
 185                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 186                 xmlhttp.abort();
 187         }
 188
 189         debug("REFETCH query: " + query_str);
 190
 191         if (xmlhttp_ready(xmlhttp)) {
 192                 xmlhttp.open("GET", query_str, true);
 193                 xmlhttp.onreadystatechange=refetch_callback;
 194                 xmlhttp.send(null);
 195         } else {
 196                 debug("xmlhttp busy");
 197                 //printLockingError();
 198         }
 199 }
 200
 201 function updateFeedList(silent, fetch) {
 202
 203 //      if (silent != true) {
 204 //              notify("Loading feed list...");
 205 //      }
 206
 207         var query_str = "backend.php?op=feeds";
 208
 209         if (display_tags) {
 210                 query_str = query_str + "&tags=1";
 211         }
 212
 213         if (getActiveFeedId() && !activeFeedIsCat()) {
 214                 query_str = query_str + "&actid=" + getActiveFeedId();
 215         }
 216
 217         if (navigator.userAgent.match("Opera")) {
 218                 var date = new Date();
 219                 var timestamp = Math.round(date.getTime() / 1000);
 220                 query_str = query_str + "&ts=" + timestamp
 221         }
 222
 223         if (fetch) query_str = query_str + "&fetch=yes";
 224
 225 //      var feeds_frame = document.getElementById("feeds-frame");
 226 //      feeds_frame.src = query_str;
 227
 228         debug("updateFeedList");
 229
 230         if (xmlhttp_ready(xmlhttp)) {
 231                 xmlhttp.open("GET", query_str, true);
 232                 xmlhttp.onreadystatechange=feedlist_callback;
 233                 xmlhttp.send(null);
 234         } else {
 235                 debug("xmlhttp busy");
 236                 //printLockingError();
 237         }
 238
 239 }
 240
 241 function catchupAllFeeds() {
 242
 243         var query_str = "backend.php?op=feeds&subop=catchupAll";
 244
 245         notify("Marking all feeds as read...");
 246
 247         var feeds_frame = document.getElementById("feeds-frame");
 248
 249         feeds_frame.src = query_str;
 250
 251         global_unread = 0;
 252         updateTitle("");
 253
 254 }
 255
 256 function viewCurrentFeed(subop) {
 257
 258 //      if (getActiveFeedId()) {
 259         if (getActiveFeedId() != undefined) {
 260                 viewfeed(getActiveFeedId(), subop);
 261         } else {
 262                 disableContainerChildren("headlinesToolbar", false, document);
 263 //              viewfeed(-1, subop); // FIXME
 264         }
 265         return false; // block unneeded form submits
 266 }
 267
 268 function viewfeed(feed, subop) {
 269         var f = window.frames["feeds-frame"];
 270         f.viewfeed(feed, subop);
 271 }
 272
 273 function timeout() {
 274         scheduleFeedUpdate(false);
 275
 276         var refresh_time = getInitParam("feeds_frame_refresh");
 277
 278         if (!refresh_time) refresh_time = 600;
 279
 280         setTimeout("timeout()", refresh_time*1000);
 281 }
 282
 283 function resetSearch() {
 284         var searchbox = document.getElementById("searchbox")
 285
 286         if (searchbox.value != "" && getActiveFeedId()) {
 287                 searchbox.value = "";
 288                 viewfeed(getActiveFeedId(), "");
 289         }
 290 }
 291
 292 function searchCancel() {
 293         closeInfoBox(true);
 294 }
 295
 296 function search() {
 297         closeInfoBox();
 298         viewCurrentFeed(0, "");
 299 }
 300
 301 function localPiggieFunction(enable) {
 302         if (enable) {
 303                 var query_str = "backend.php?op=feeds&subop=piggie";
 304
 305                 if (xmlhttp_ready(xmlhttp)) {
 306
 307                         xmlhttp.open("GET", query_str, true);
 308                         xmlhttp.onreadystatechange=feedlist_callback;
 309                         xmlhttp.send(null);
 310                 }
 311         }
 312 }
 313
 314 // if argument is undefined, current subtitle is not updated
 315 // use blank string to clear subtitle
 316 function updateTitle(s) {
 317         var tmp = "Tiny Tiny RSS";
 318
 319         if (s != undefined) {
 320                 current_subtitle = s;
 321         }
 322
 323         if (global_unread > 0) {
 324                 tmp = tmp + " (" + global_unread + ")";
 325         }
 326
 327         if (current_subtitle) {
 328                 tmp = tmp + " - " + current_subtitle;
 329         }
 330
 331         if (active_title_text.length > 0) {
 332                 tmp = tmp + " > " + active_title_text;
 333         }
 334
 335         document.title = tmp;
 336 }
 337
 338 function genericSanityCheck() {
 339
 340         if (!xmlhttp) fatalError(1);
 341
 342         setCookie("ttrss_vf_test", "TEST");
 343
 344         if (getCookie("ttrss_vf_test") != "TEST") {
 345                 fatalError(2);
 346         }
 347
 348         return true;
 349 }
 350
 351 function init() {
 352
 353         try {
 354
 355                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 356
 357                 if (arguments.callee.done) return;
 358                 arguments.callee.done = true;
 359
 360                 disableContainerChildren("headlinesToolbar", true);
 361
 362                 Form.disable("main_toolbar_form");
 363
 364                 if (!genericSanityCheck())
 365                         return;
 366
 367                 if (getURLParam('debug')) {
 368                         document.getElementById('debug_output').style.display = 'block';
 369                         debug('debug mode activated');
 370                 }
 371
 372                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 373                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 374                 xmlhttp.send(null);
 375
 376         } catch (e) {
 377                 exception_error("init", e);
 378         }
 379 }
 380
 381 function resize_feeds_frame() {
 382         var f = document.getElementById("feeds-frame");
 383         var tf = document.getElementById("mainFooter");
 384         var th = document.getElementById("mainHeader");
 385
 386         var footer_height = 0;
 387         var header_height = 0;
 388
 389         if (tf) {
 390                 footer_height = tf.scrollHeight;
 391         }
 392
 393         if (th) {
 394                 header_height = th.scrollHeight;
 395         }
 396
 397         if (f) {
 398                 f.style.height = document.body.scrollHeight - footer_height -
 399                         header_height - 50 + "px";
 400         }
 401 }
 402
 403 function init_second_stage() {
 404
 405         try {
 406
 407                 cookie_lifetime = getCookie("ttrss_cltime");
 408
 409                 delCookie("ttrss_vf_test");
 410
 411                 updateFeedList(false, false);
 412                 document.onkeydown = hotkey_handler;
 413
 414                 var tb = parent.document.forms["main_toolbar_form"];
 415
 416                 dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 417                 dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 418
 419                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 420                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 421
 422                 // FIXME should be callled after window resize
 423
 424                 var h = document.getElementById("headlines");
 425                 var c = document.getElementById("content");
 426
 427                 if (navigator.userAgent.match("Opera")) {
 428                         resize_feeds_frame();
 429                 }
 430
 431                 debug("second stage ok");
 432
 433         } catch (e) {
 434                 exception_error("init_second_stage", e);
 435         }
 436 }
 437
 438 function quickMenuChange() {
 439         var chooser = document.getElementById("quickMenuChooser");
 440         var opid = chooser[chooser.selectedIndex].value;
 441
 442         chooser.selectedIndex = 0;
 443         quickMenuGo(opid);
 444 }
 445
 446 function quickMenuGo(opid) {
 447         try {
 448
 449                 if (opid == "qmcPrefs") {
 450                         gotoPreferences();
 451                 }
 452
 453                 if (opid == "qmcSearch") {
 454                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 455                         return;
 456                 }
 457
 458                 if (opid == "qmcAddFeed") {
 459                         displayDlg("quickAddFeed");
 460                         return;
 461                 }
 462
 463                 if (opid == "qmcRemoveFeed") {
 464                         var actid = getActiveFeedId();
 465
 466                         if (!actid || activeFeedIsCat()) {
 467                                 alert("Please select some feed first.");
 468                                 return;
 469                         }
 470
 471                         var fn = getFeedName(actid);
 472
 473                         if (confirm("Unsubscribe from " + fn + "?")) {
 474                                 qfdDelete(actid);
 475                         }
 476
 477                         return;
 478                 }
 479
 480                 if (opid == "qmcUpdateFeeds") {
 481                         scheduleFeedUpdate(true);
 482                         return;
 483                 }
 484
 485                 if (opid == "qmcCatchupAll") {
 486                         catchupAllFeeds();
 487                         return;
 488                 }
 489
 490                 if (opid == "qmcShowOnlyUnread") {
 491                         toggleDispRead();
 492                         return;
 493                 }
 494
 495                 if (opid == "qmcAddFilter") {
 496                         displayDlg("quickAddFilter", getActiveFeedId());
 497                 }
 498         } catch (e) {
 499                 exception_error("quickMenuGo", e);
 500         }
 501 }
 502
 503 function qfdDelete(feed_id) {
 504
 505         notify("Removing feed...");
 506
 507         if (!xmlhttp_ready(xmlhttp)) {
 508                 printLockingError();
 509                 return
 510         }
 511
 512         _qfd_deleted_feed = feed_id;
 513
 514         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 515         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 516         xmlhttp.send(null);
 517 }
 518
 519
 520 function updateFeedTitle(t) {
 521         active_title_text = t;
 522         updateTitle();
 523 }
 524
 525 function toggleDispRead() {
 526         try {
 527
 528                 if (!xmlhttp_ready(xmlhttp)) {
 529                         printLockingError();
 530                         return
 531                 }
 532
 533                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 534
 535                 hide_read_feeds = !hide_read_feeds;
 536
 537                 debug("toggle_disp_read => " + hide_read_feeds);
 538
 539                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 540
 541                 var query = "backend.php?op=rpc&subop=setpref" +
 542                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 543
 544                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 545
 546                 new Ajax.Request(query);
 547
 548         } catch (e) {
 549                 exception_error("toggleDispRead", e);
 550         }
 551 }
 552
 553 function parse_runtime_info(elem) {
 554         var param = elem.firstChild;
 555
 556         debug("parse_runtime_info: " + param);
 557
 558         while (param) {
 559                 var k = param.getAttribute("key");
 560                 var v = param.getAttribute("value");
 561
 562                 debug("RI: " + k + " => " + v);
 563
 564                 var w = document.getElementById("noDaemonWarning");
 565
 566                 if (w) {
 567                         if (k == "daemon_is_running" && v != 1) {
 568                                 w.style.display = "block";
 569                         } else {
 570                                 w.style.display = "none";
 571                         }
 572                 }
 573                 param = param.nextSibling;
 574         }
 575 }
 576
 577 function catchupCurrentFeed() {
 578
 579         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 580
 581         var str = "Mark all articles in " + fn + " as read?";
 582
 583 /*      if (active_feed_is_cat) {
 584                 str = "Mark all articles in this category as read?";
 585         } */
 586
 587         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 588                 return viewCurrentFeed('MarkAllRead')
 589         }
 590 }
 591