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 var xmlhttp_ctr = Ajax.getTransport();
  20
  21 var init_params = new Object();
  22
  23 function toggleTags() {
  24         display_tags = !display_tags;
  25
  26         var p = document.getElementById("dispSwitchPrompt");
  27
  28         if (display_tags) {
  29                 p.innerHTML = "display feeds";
  30         } else {
  31                 p.innerHTML = "display tags";
  32         }
  33
  34         notify("Loading, please wait...");
  35
  36         updateFeedList();
  37 }
  38
  39 function dlg_frefresh_callback() {
  40         if (xmlhttp.readyState == 4) {
  41 //              notify(xmlhttp.responseText);
  42
  43                 if (getActiveFeedId() == _qfd_deleted_feed) {
  44                         var h = document.getElementById("headlines-frame");
  45                         if (h) {
  46                                 h.innerHTML = "<div class='whiteBox'>No feed selected.</div>";
  47                         }
  48                 }
  49
  50                 setTimeout('updateFeedList(false, false)', 50);
  51                 closeInfoBox();
  52         }
  53 }
  54
  55 function refetch_callback() {
  56         if (xmlhttp_ctr.readyState == 4) {
  57                 try {
  58
  59                         var date = new Date();
  60
  61                         last_refetch = date.getTime() / 1000;
  62
  63                         if (!xmlhttp_ctr.responseXML) {
  64                                 notify("refetch_callback: backend did not return valid XML", true, true);
  65                                 return;
  66                         }
  67
  68                         var reply = xmlhttp_ctr.responseXML.firstChild;
  69
  70                         if (!reply) {
  71                                 notify("refetch_callback: backend did not return expected XML object", true, true);
  72                                 updateTitle("");
  73                                 return;
  74                         }
  75
  76                         var error_code = false;
  77                         var error_msg = false;
  78
  79                         if (reply.firstChild) {
  80                                 error_code = reply.firstChild.getAttribute("error-code");
  81                                 error_msg = reply.firstChild.getAttribute("error-msg");
  82                         }
  83
  84                         if (!error_code) {
  85                                 error_code = reply.getAttribute("error-code");
  86                                 error_msg = reply.getAttribute("error-msg");
  87                         }
  88
  89                         if (error_code && error_code != 0) {
  90                                 debug("refetch_callback: got error code " + error_code);
  91                                 return fatalError(error_code, error_msg);
  92                         }
  93
  94                         var counters = reply.firstChild;
  95
  96                         parse_counters(counters, true);
  97
  98                         var runtime_info = counters.nextSibling;
  99
 100                         parse_runtime_info(runtime_info);
 101
 102                         debug("refetch_callback: done");
 103
 104                         if (!daemon_enabled && !daemon_refresh_only) {
 105                                 notify("All feeds updated.");
 106                                 updateTitle("");
 107                         } else {
 108                                 notify("");
 109                         }
 110                 } catch (e) {
 111                         exception_error("refetch_callback", e);
 112                         updateTitle("");
 113                 }
 114         }
 115 }
 116
 117 function backend_sanity_check_callback() {
 118
 119         if (xmlhttp.readyState == 4) {
 120
 121                 try {
 122
 123                         if (!xmlhttp.responseXML) {
 124                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
 125                                 return;
 126                         }
 127
 128                         var reply = xmlhttp.responseXML.firstChild.firstChild;
 129
 130                         if (!reply) {
 131                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
 132                                 return;
 133                         }
 134
 135                         var error_code = reply.getAttribute("error-code");
 136
 137                         if (error_code && error_code != 0) {
 138                                 return fatalError(error_code, reply.getAttribute("error-msg"));
 139                         }
 140
 141                         debug("sanity check ok");
 142
 143                         var params = reply.nextSibling;
 144
 145                         if (params) {
 146                                 debug('reading init-params...');
 147                                 var param = params.firstChild;
 148
 149                                 while (param) {
 150                                         var k = param.getAttribute("key");
 151                                         var v = param.getAttribute("value");
 152                                         debug(k + " => " + v);
 153                                         init_params[k] = v;
 154                                         param = param.nextSibling;
 155                                 }
 156                         }
 157
 158                         init_second_stage();
 159
 160                 } catch (e) {
 161                         exception_error("backend_sanity_check_callback", e);
 162                 }
 163         }
 164 }
 165
 166 function scheduleFeedUpdate(force) {
 167
 168         if (!daemon_enabled && !daemon_refresh_only) {
 169                 notify("Updating feeds, please wait.", true);
 170                 updateTitle("Updating");
 171         }
 172
 173         var query_str = "backend.php?op=rpc&subop=";
 174
 175         if (force) {
 176                 query_str = query_str + "forceUpdateAllFeeds";
 177         } else {
 178                 query_str = query_str + "updateAllFeeds";
 179         }
 180
 181         var omode;
 182
 183         if (firsttime_update && !navigator.userAgent.match("Opera")) {
 184                 firsttime_update = false;
 185                 omode = "T";
 186         } else {
 187                 if (display_tags) {
 188                         omode = "t";
 189                 } else {
 190                         omode = "flc";
 191                 }
 192         }
 193
 194         query_str = query_str + "&omode=" + omode;
 195         query_str = query_str + "&uctr=" + global_unread;
 196
 197         debug("in scheduleFeedUpdate");
 198
 199         var date = new Date();
 200
 201         if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 202                 debug("<b>xmlhttp seems to be stuck, aborting</b>");
 203                 xmlhttp_ctr.abort();
 204         }
 205
 206         debug("REFETCH query: " + query_str);
 207
 208         if (xmlhttp_ready(xmlhttp_ctr)) {
 209                 xmlhttp_ctr.open("GET", query_str, true);
 210                 xmlhttp_ctr.onreadystatechange=refetch_callback;
 211                 xmlhttp_ctr.send(null);
 212         } else {
 213                 debug("xmlhttp_ctr busy");
 214                 //printLockingError();
 215         }
 216 }
 217
 218 function updateFeedList(silent, fetch) {
 219
 220 //      if (silent != true) {
 221 //              notify("Loading feed list...");
 222 //      }
 223
 224         var query_str = "backend.php?op=feeds";
 225
 226         if (display_tags) {
 227                 query_str = query_str + "&tags=1";
 228         }
 229
 230         if (getActiveFeedId() && !activeFeedIsCat()) {
 231                 query_str = query_str + "&actid=" + getActiveFeedId();
 232         }
 233
 234         if (navigator.userAgent.match("Opera")) {
 235                 var date = new Date();
 236                 var timestamp = Math.round(date.getTime() / 1000);
 237                 query_str = query_str + "&ts=" + timestamp
 238         }
 239
 240         if (fetch) query_str = query_str + "&fetch=yes";
 241
 242 //      var feeds_frame = document.getElementById("feeds-frame");
 243 //      feeds_frame.src = query_str;
 244
 245         debug("updateFeedList Q=" + query_str);
 246
 247         if (xmlhttp_ready(xmlhttp)) {
 248                 xmlhttp.open("GET", query_str, true);
 249                 xmlhttp.onreadystatechange=feedlist_callback;
 250                 xmlhttp.send(null);
 251         } else {
 252                 debug("xmlhttp busy");
 253                 //printLockingError();
 254         }
 255
 256 }
 257
 258 function catchupAllFeeds() {
 259
 260         var query_str = "backend.php?op=feeds&subop=catchupAll";
 261
 262         notify("Marking all feeds as read...");
 263
 264         debug("catchupAllFeeds Q=" + query_str);
 265
 266         if (xmlhttp_ready(xmlhttp)) {
 267                 xmlhttp.open("GET", query_str, true);
 268                 xmlhttp.onreadystatechange=feedlist_callback;
 269                 xmlhttp.send(null);
 270         } else {
 271                 debug("xmlhttp busy");
 272                 //printLockingError();
 273         }
 274
 275         global_unread = 0;
 276         updateTitle("");
 277
 278 }
 279
 280 function viewCurrentFeed(subop) {
 281
 282 //      if (getActiveFeedId()) {
 283         if (getActiveFeedId() != undefined) {
 284                 viewfeed(getActiveFeedId(), subop);
 285         } else {
 286                 disableContainerChildren("headlinesToolbar", false, document);
 287 //              viewfeed(-1, subop); // FIXME
 288         }
 289         return false; // block unneeded form submits
 290 }
 291
 292 function viewfeed(feed, subop) {
 293         var f = window.frames["feeds-frame"];
 294         f.viewfeed(feed, subop);
 295 }
 296
 297 function timeout() {
 298         scheduleFeedUpdate(false);
 299
 300         var refresh_time = getInitParam("feeds_frame_refresh");
 301
 302         if (!refresh_time) refresh_time = 600;
 303
 304         setTimeout("timeout()", refresh_time*1000);
 305 }
 306
 307 function resetSearch() {
 308         var searchbox = document.getElementById("searchbox")
 309
 310         if (searchbox.value != "" && getActiveFeedId()) {
 311                 searchbox.value = "";
 312                 viewfeed(getActiveFeedId(), "");
 313         }
 314 }
 315
 316 function searchCancel() {
 317         closeInfoBox(true);
 318 }
 319
 320 function search() {
 321         closeInfoBox();
 322         viewCurrentFeed(0, "");
 323 }
 324
 325 function localPiggieFunction(enable) {
 326         if (enable) {
 327                 var query_str = "backend.php?op=feeds&subop=piggie";
 328
 329                 if (xmlhttp_ready(xmlhttp)) {
 330
 331                         xmlhttp.open("GET", query_str, true);
 332                         xmlhttp.onreadystatechange=feedlist_callback;
 333                         xmlhttp.send(null);
 334                 }
 335         }
 336 }
 337
 338 // if argument is undefined, current subtitle is not updated
 339 // use blank string to clear subtitle
 340 function updateTitle(s) {
 341         var tmp = "Tiny Tiny RSS";
 342
 343         if (s != undefined) {
 344                 current_subtitle = s;
 345         }
 346
 347         if (global_unread > 0) {
 348                 tmp = tmp + " (" + global_unread + ")";
 349         }
 350
 351         if (current_subtitle) {
 352                 tmp = tmp + " - " + current_subtitle;
 353         }
 354
 355         if (active_title_text.length > 0) {
 356                 tmp = tmp + " > " + active_title_text;
 357         }
 358
 359         document.title = tmp;
 360 }
 361
 362 function genericSanityCheck() {
 363
 364         if (!xmlhttp) fatalError(1);
 365
 366         setCookie("ttrss_vf_test", "TEST");
 367
 368         if (getCookie("ttrss_vf_test") != "TEST") {
 369                 fatalError(2);
 370         }
 371
 372         return true;
 373 }
 374
 375 function init() {
 376
 377         try {
 378
 379                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 380
 381                 if (arguments.callee.done) return;
 382                 arguments.callee.done = true;
 383
 384                 disableContainerChildren("headlinesToolbar", true);
 385
 386                 Form.disable("main_toolbar_form");
 387
 388                 if (!genericSanityCheck())
 389                         return;
 390
 391                 if (getURLParam('debug')) {
 392                         document.getElementById('debug_output').style.display = 'block';
 393                         debug('debug mode activated');
 394                 }
 395
 396                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 397                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 398                 xmlhttp.send(null);
 399
 400         } catch (e) {
 401                 exception_error("init", e);
 402         }
 403 }
 404
 405 function init_second_stage() {
 406
 407         try {
 408
 409                 cookie_lifetime = getCookie("ttrss_cltime");
 410
 411                 delCookie("ttrss_vf_test");
 412
 413                 document.onkeydown = hotkey_handler;
 414
 415                 var tb = parent.document.forms["main_toolbar_form"];
 416
 417 //              dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 418 //              dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 419
 420                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 421                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 422
 423                 setTimeout('updateFeedList(false, false)', 50);
 424
 425                 debug("second stage ok");
 426
 427         } catch (e) {
 428                 exception_error("init_second_stage", e);
 429         }
 430 }
 431
 432 function quickMenuChange() {
 433         var chooser = document.getElementById("quickMenuChooser");
 434         var opid = chooser[chooser.selectedIndex].value;
 435
 436         chooser.selectedIndex = 0;
 437         quickMenuGo(opid);
 438 }
 439
 440 function quickMenuGo(opid) {
 441         try {
 442
 443                 if (opid == "qmcPrefs") {
 444                         gotoPreferences();
 445                 }
 446
 447                 if (opid == "qmcSearch") {
 448                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 449                         return;
 450                 }
 451
 452                 if (opid == "qmcAddFeed") {
 453                         displayDlg("quickAddFeed");
 454                         return;
 455                 }
 456
 457                 if (opid == "qmcRemoveFeed") {
 458                         var actid = getActiveFeedId();
 459
 460                         if (!actid || activeFeedIsCat()) {
 461                                 alert("Please select some feed first.");
 462                                 return;
 463                         }
 464
 465                         var fn = getFeedName(actid);
 466
 467                         if (confirm("Unsubscribe from " + fn + "?")) {
 468                                 qfdDelete(actid);
 469                         }
 470
 471                         return;
 472                 }
 473
 474                 if (opid == "qmcUpdateFeeds") {
 475                         scheduleFeedUpdate(true);
 476                         return;
 477                 }
 478
 479                 if (opid == "qmcCatchupAll") {
 480                         catchupAllFeeds();
 481                         return;
 482                 }
 483
 484                 if (opid == "qmcShowOnlyUnread") {
 485                         toggleDispRead();
 486                         return;
 487                 }
 488
 489                 if (opid == "qmcAddFilter") {
 490                         displayDlg("quickAddFilter", getActiveFeedId());
 491                 }
 492         } catch (e) {
 493                 exception_error("quickMenuGo", e);
 494         }
 495 }
 496
 497 function qfdDelete(feed_id) {
 498
 499         notify("Removing feed...");
 500
 501         if (!xmlhttp_ready(xmlhttp)) {
 502                 printLockingError();
 503                 return
 504         }
 505
 506         _qfd_deleted_feed = feed_id;
 507
 508         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 509         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 510         xmlhttp.send(null);
 511
 512         return false;
 513 }
 514
 515
 516 function updateFeedTitle(t) {
 517         active_title_text = t;
 518         updateTitle();
 519 }
 520
 521 function toggleDispRead() {
 522         try {
 523
 524                 if (!xmlhttp_ready(xmlhttp)) {
 525                         printLockingError();
 526                         return
 527                 }
 528
 529                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 530
 531                 hide_read_feeds = !hide_read_feeds;
 532
 533                 debug("toggle_disp_read => " + hide_read_feeds);
 534
 535                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 536
 537                 var query = "backend.php?op=rpc&subop=setpref" +
 538                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 539
 540                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 541
 542                 new Ajax.Request(query);
 543
 544         } catch (e) {
 545                 exception_error("toggleDispRead", e);
 546         }
 547 }
 548
 549 function parse_runtime_info(elem) {
 550         if (!elem) {
 551                 debug("parse_runtime_info: elem is null, aborting");
 552                 return;
 553         }
 554
 555         var param = elem.firstChild;
 556
 557         debug("parse_runtime_info: " + param);
 558
 559         while (param) {
 560                 var k = param.getAttribute("key");
 561                 var v = param.getAttribute("value");
 562
 563                 debug("RI: " + k + " => " + v);
 564
 565                 var w = document.getElementById("noDaemonWarning");
 566
 567                 if (w) {
 568                         if (k == "daemon_is_running" && v != 1) {
 569                                 w.style.display = "block";
 570                         } else {
 571                                 w.style.display = "none";
 572                         }
 573                 }
 574                 param = param.nextSibling;
 575         }
 576 }
 577
 578 function catchupCurrentFeed() {
 579
 580         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 581
 582         var str = "Mark all articles in " + fn + " as read?";
 583
 584 /*      if (active_feed_is_cat) {
 585                 str = "Mark all articles in this category as read?";
 586         } */
 587
 588         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 589                 return viewCurrentFeed('MarkAllRead')
 590         }
 591 }
 592
 593 function userSwitch() {
 594         var chooser = document.getElementById("userSwitch");
 595         var user = chooser[chooser.selectedIndex].value;
 596         window.location = "tt-rss.php?swu=" + user;
 597 }
 598
 599