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
 227         feeds_frame.src = query_str;
 228 }
 229
 230 function catchupAllFeeds() {
 231
 232         var query_str = "backend.php?op=feeds&subop=catchupAll";
 233
 234         notify("Marking all feeds as read...");
 235
 236         var feeds_frame = document.getElementById("feeds-frame");
 237
 238         feeds_frame.src = query_str;
 239
 240         global_unread = 0;
 241         updateTitle("");
 242
 243 }
 244
 245 function viewCurrentFeed(subop) {
 246
 247 //      if (getActiveFeedId()) {
 248         if (getActiveFeedId() != undefined) {
 249                 viewfeed(getActiveFeedId(), subop);
 250         } else {
 251                 disableContainerChildren("headlinesToolbar", false, document);
 252 //              viewfeed(-1, subop); // FIXME
 253         }
 254         return false; // block unneeded form submits
 255 }
 256
 257 function viewfeed(feed, subop) {
 258         var f = window.frames["feeds-frame"];
 259         f.viewfeed(feed, subop);
 260 }
 261
 262 function timeout() {
 263         scheduleFeedUpdate(false);
 264
 265         var refresh_time = getInitParam("feeds_frame_refresh");
 266
 267         if (!refresh_time) refresh_time = 600;
 268
 269         setTimeout("timeout()", refresh_time*1000);
 270 }
 271
 272 function resetSearch() {
 273         var searchbox = document.getElementById("searchbox")
 274
 275         if (searchbox.value != "" && getActiveFeedId()) {
 276                 searchbox.value = "";
 277                 viewfeed(getActiveFeedId(), "");
 278         }
 279 }
 280
 281 function searchCancel() {
 282         closeInfoBox(true);
 283 }
 284
 285 function search() {
 286         closeInfoBox();
 287         viewCurrentFeed(0, "");
 288 }
 289
 290 function localPiggieFunction(enable) {
 291         if (enable) {
 292                 var query_str = "backend.php?op=feeds&subop=piggie";
 293
 294                 if (xmlhttp_ready(xmlhttp)) {
 295
 296                         xmlhttp.open("GET", query_str, true);
 297                         xmlhttp.onreadystatechange=feedlist_callback;
 298                         xmlhttp.send(null);
 299                 }
 300         }
 301 }
 302
 303 // if argument is undefined, current subtitle is not updated
 304 // use blank string to clear subtitle
 305 function updateTitle(s) {
 306         var tmp = "Tiny Tiny RSS";
 307
 308         if (s != undefined) {
 309                 current_subtitle = s;
 310         }
 311
 312         if (global_unread > 0) {
 313                 tmp = tmp + " (" + global_unread + ")";
 314         }
 315
 316         if (current_subtitle) {
 317                 tmp = tmp + " - " + current_subtitle;
 318         }
 319
 320         if (active_title_text.length > 0) {
 321                 tmp = tmp + " > " + active_title_text;
 322         }
 323
 324         document.title = tmp;
 325 }
 326
 327 function genericSanityCheck() {
 328
 329         if (!xmlhttp) fatalError(1);
 330
 331         setCookie("ttrss_vf_test", "TEST");
 332
 333         if (getCookie("ttrss_vf_test") != "TEST") {
 334                 fatalError(2);
 335         }
 336
 337         return true;
 338 }
 339
 340 function init() {
 341
 342         try {
 343
 344                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 345
 346                 if (arguments.callee.done) return;
 347                 arguments.callee.done = true;
 348
 349                 disableContainerChildren("headlinesToolbar", true);
 350
 351                 Form.disable("main_toolbar_form");
 352
 353                 if (!genericSanityCheck())
 354                         return;
 355
 356                 if (getURLParam('debug')) {
 357                         document.getElementById('debug_output').style.display = 'block';
 358                         debug('debug mode activated');
 359                 }
 360
 361                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 362                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 363                 xmlhttp.send(null);
 364
 365         } catch (e) {
 366                 exception_error("init", e);
 367         }
 368 }
 369
 370 function resize_feeds_frame() {
 371         var f = document.getElementById("feeds-frame");
 372         var tf = document.getElementById("mainFooter");
 373         var th = document.getElementById("mainHeader");
 374
 375         var footer_height = 0;
 376         var header_height = 0;
 377
 378         if (tf) {
 379                 footer_height = tf.scrollHeight;
 380         }
 381
 382         if (th) {
 383                 header_height = th.scrollHeight;
 384         }
 385
 386         f.style.height = document.body.scrollHeight - footer_height -
 387                 header_height - 50 + "px";
 388 }
 389
 390 function init_second_stage() {
 391
 392         try {
 393
 394                 cookie_lifetime = getCookie("ttrss_cltime");
 395
 396                 delCookie("ttrss_vf_test");
 397
 398                 updateFeedList(false, false);
 399                 document.onkeydown = hotkey_handler;
 400
 401                 var tb = parent.document.forms["main_toolbar_form"];
 402
 403                 dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 404                 dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 405
 406                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 407                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 408
 409                 // FIXME should be callled after window resize
 410
 411                 var h = document.getElementById("headlines");
 412                 var c = document.getElementById("content");
 413
 414                 if (navigator.userAgent.match("Opera")) {
 415                         resize_feeds_frame();
 416                 }
 417
 418                 debug("second stage ok");
 419
 420         } catch (e) {
 421                 exception_error("init_second_stage", e);
 422         }
 423 }
 424
 425 function quickMenuChange() {
 426         var chooser = document.getElementById("quickMenuChooser");
 427         var opid = chooser[chooser.selectedIndex].value;
 428
 429         chooser.selectedIndex = 0;
 430         quickMenuGo(opid);
 431 }
 432
 433 function quickMenuGo(opid) {
 434         try {
 435
 436                 if (opid == "qmcPrefs") {
 437                         gotoPreferences();
 438                 }
 439
 440                 if (opid == "qmcSearch") {
 441                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 442                         return;
 443                 }
 444
 445                 if (opid == "qmcAddFeed") {
 446                         displayDlg("quickAddFeed");
 447                         return;
 448                 }
 449
 450                 if (opid == "qmcRemoveFeed") {
 451                         var actid = getActiveFeedId();
 452
 453                         if (!actid || activeFeedIsCat()) {
 454                                 alert("Please select some feed first.");
 455                                 return;
 456                         }
 457
 458                         var fn = getFeedName(actid);
 459
 460                         if (confirm("Unsubscribe from " + fn + "?")) {
 461                                 qfdDelete(actid);
 462                         }
 463
 464                         return;
 465                 }
 466
 467                 if (opid == "qmcUpdateFeeds") {
 468                         scheduleFeedUpdate(true);
 469                         return;
 470                 }
 471
 472                 if (opid == "qmcCatchupAll") {
 473                         catchupAllFeeds();
 474                         return;
 475                 }
 476
 477                 if (opid == "qmcShowOnlyUnread") {
 478                         toggleDispRead();
 479                         return;
 480                 }
 481
 482                 if (opid == "qmcAddFilter") {
 483                         displayDlg("quickAddFilter", getActiveFeedId());
 484                 }
 485         } catch (e) {
 486                 exception_error("quickMenuGo", e);
 487         }
 488 }
 489
 490 function qfdDelete(feed_id) {
 491
 492         notify("Removing feed...");
 493
 494         if (!xmlhttp_ready(xmlhttp)) {
 495                 printLockingError();
 496                 return
 497         }
 498
 499         _qfd_deleted_feed = feed_id;
 500
 501         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 502         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 503         xmlhttp.send(null);
 504 }
 505
 506
 507 function updateFeedTitle(t) {
 508         active_title_text = t;
 509         updateTitle();
 510 }
 511
 512 function toggleDispRead() {
 513         try {
 514
 515                 if (!xmlhttp_ready(xmlhttp)) {
 516                         printLockingError();
 517                         return
 518                 }
 519
 520                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 521
 522                 hide_read_feeds = !hide_read_feeds;
 523
 524                 debug("toggle_disp_read => " + hide_read_feeds);
 525
 526                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 527
 528                 var query = "backend.php?op=rpc&subop=setpref" +
 529                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 530
 531                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 532
 533                 new Ajax.Request(query);
 534
 535         } catch (e) {
 536                 exception_error("toggleDispRead", e);
 537         }
 538 }
 539
 540 function parse_runtime_info(elem) {
 541         var param = elem.firstChild;
 542
 543         debug("parse_runtime_info: " + param);
 544
 545         while (param) {
 546                 var k = param.getAttribute("key");
 547                 var v = param.getAttribute("value");
 548
 549                 debug("RI: " + k + " => " + v);
 550
 551                 var w = document.getElementById("noDaemonWarning");
 552
 553                 if (w) {
 554                         if (k == "daemon_is_running" && v != 1) {
 555                                 w.style.display = "block";
 556                         } else {
 557                                 w.style.display = "none";
 558                         }
 559                 }
 560                 param = param.nextSibling;
 561         }
 562 }
 563
 564 function catchupCurrentFeed() {
 565
 566         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 567
 568         var str = "Mark all articles in " + fn + " as read?";
 569
 570 /*      if (active_feed_is_cat) {
 571                 str = "Mark all articles in this category as read?";
 572         } */
 573
 574         if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 575                 return viewCurrentFeed('MarkAllRead')
 576         }
 577 }
 578