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