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