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         if (xmlhttp_ready(xmlhttp)) {
 190                 xmlhttp.open("GET", query_str, true);
 191                 xmlhttp.onreadystatechange=refetch_callback;
 192                 xmlhttp.send(null);
 193         } else {
 194                 debug("xmlhttp busy");
 195                 //printLockingError();
 196         }
 197 }
 198
 199 function updateFeedList(silent, fetch) {
 200
 201 //      if (silent != true) {
 202 //              notify("Loading feed list...");
 203 //      }
 204
 205         var query_str = "backend.php?op=feeds";
 206
 207         if (display_tags) {
 208                 query_str = query_str + "&tags=1";
 209         }
 210
 211         if (getActiveFeedId() && !activeFeedIsCat()) {
 212                 query_str = query_str + "&actid=" + getActiveFeedId();
 213         }
 214
 215         if (navigator.userAgent.match("Opera")) {
 216                 var date = new Date();
 217                 var timestamp = Math.round(date.getTime() / 1000);
 218                 query_str = query_str + "&ts=" + timestamp
 219         }
 220
 221         if (fetch) query_str = query_str + "&fetch=yes";
 222
 223         var feeds_frame = document.getElementById("feeds-frame");
 224
 225         feeds_frame.src = query_str;
 226 }
 227
 228 function catchupAllFeeds() {
 229
 230         var query_str = "backend.php?op=feeds&subop=catchupAll";
 231
 232         notify("Marking all feeds as read...");
 233
 234         var feeds_frame = document.getElementById("feeds-frame");
 235
 236         feeds_frame.src = query_str;
 237
 238         global_unread = 0;
 239         updateTitle("");
 240
 241 }
 242
 243 function viewCurrentFeed(subop) {
 244
 245 //      if (getActiveFeedId()) {
 246         if (getActiveFeedId() != undefined) {
 247                 viewfeed(getActiveFeedId(), subop);
 248         } else {
 249                 disableContainerChildren("headlinesToolbar", false, document);
 250 //              viewfeed(-1, subop); // FIXME
 251         }
 252         return false; // block unneeded form submits
 253 }
 254
 255 function viewfeed(feed, subop) {
 256         var f = window.frames["feeds-frame"];
 257         f.viewfeed(feed, subop);
 258 }
 259
 260 function timeout() {
 261         scheduleFeedUpdate(false);
 262
 263         var refresh_time = getInitParam("feeds_frame_refresh");
 264
 265         if (!refresh_time) refresh_time = 600;
 266
 267         setTimeout("timeout()", refresh_time*1000);
 268 }
 269
 270 function resetSearch() {
 271         var searchbox = document.getElementById("searchbox")
 272
 273         if (searchbox.value != "" && getActiveFeedId()) {
 274                 searchbox.value = "";
 275                 viewfeed(getActiveFeedId(), "");
 276         }
 277 }
 278
 279 function searchCancel() {
 280         closeInfoBox(true);
 281 }
 282
 283 function search() {
 284         closeInfoBox();
 285         viewCurrentFeed(0, "");
 286 }
 287
 288 function localPiggieFunction(enable) {
 289         if (enable) {
 290                 var query_str = "backend.php?op=feeds&subop=piggie";
 291
 292                 if (xmlhttp_ready(xmlhttp)) {
 293
 294                         xmlhttp.open("GET", query_str, true);
 295                         xmlhttp.onreadystatechange=feedlist_callback;
 296                         xmlhttp.send(null);
 297                 }
 298         }
 299 }
 300
 301 // if argument is undefined, current subtitle is not updated
 302 // use blank string to clear subtitle
 303 function updateTitle(s) {
 304         var tmp = "Tiny Tiny RSS";
 305
 306         if (s != undefined) {
 307                 current_subtitle = s;
 308         }
 309
 310         if (global_unread > 0) {
 311                 tmp = tmp + " (" + global_unread + ")";
 312         }
 313
 314         if (current_subtitle) {
 315                 tmp = tmp + " - " + current_subtitle;
 316         }
 317
 318         if (active_title_text.length > 0) {
 319                 tmp = tmp + " > " + active_title_text;
 320         }
 321
 322         document.title = tmp;
 323 }
 324
 325 function genericSanityCheck() {
 326
 327         if (!xmlhttp) fatalError(1);
 328
 329         setCookie("ttrss_vf_test", "TEST");
 330
 331         if (getCookie("ttrss_vf_test") != "TEST") {
 332                 fatalError(2);
 333         }
 334
 335         return true;
 336 }
 337
 338 function init() {
 339
 340         try {
 341
 342                 // this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
 343
 344                 if (arguments.callee.done) return;
 345                 arguments.callee.done = true;
 346
 347                 disableContainerChildren("headlinesToolbar", true);
 348
 349                 Form.disable("main_toolbar_form");
 350
 351                 if (!genericSanityCheck())
 352                         return;
 353
 354                 if (getURLParam('debug')) {
 355                         document.getElementById('debug_output').style.display = 'block';
 356                         debug('debug mode activated');
 357                 }
 358
 359                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
 360                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
 361                 xmlhttp.send(null);
 362
 363         } catch (e) {
 364                 exception_error("init", e);
 365         }
 366 }
 367
 368 function resize_feeds_frame() {
 369         var f = document.getElementById("feeds-frame");
 370         var tf = document.getElementById("mainFooter");
 371         var th = document.getElementById("mainHeader");
 372
 373         var footer_height = 0;
 374         var header_height = 0;
 375
 376         if (tf) {
 377                 footer_height = tf.scrollHeight;
 378         }
 379
 380         if (th) {
 381                 header_height = th.scrollHeight;
 382         }
 383
 384         f.style.height = document.body.scrollHeight - footer_height -
 385                 header_height - 50 + "px";
 386 }
 387
 388 function init_second_stage() {
 389
 390         try {
 391
 392                 cookie_lifetime = getCookie("ttrss_cltime");
 393
 394                 delCookie("ttrss_vf_test");
 395
 396                 updateFeedList(false, false);
 397                 document.onkeydown = hotkey_handler;
 398
 399                 var tb = parent.document.forms["main_toolbar_form"];
 400
 401                 dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
 402                 dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
 403
 404                 daemon_enabled = getInitParam("daemon_enabled") == 1;
 405                 daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
 406
 407                 // FIXME should be callled after window resize
 408
 409                 var h = document.getElementById("headlines");
 410                 var c = document.getElementById("content");
 411
 412                 if (navigator.userAgent.match("Opera")) {
 413                         resize_feeds_frame();
 414                 }
 415
 416                 debug("second stage ok");
 417
 418         } catch (e) {
 419                 exception_error("init_second_stage", e);
 420         }
 421 }
 422
 423 function quickMenuChange() {
 424         var chooser = document.getElementById("quickMenuChooser");
 425         var opid = chooser[chooser.selectedIndex].value;
 426
 427         chooser.selectedIndex = 0;
 428         quickMenuGo(opid);
 429 }
 430
 431 function quickMenuGo(opid) {
 432         try {
 433
 434                 if (opid == "qmcPrefs") {
 435                         gotoPreferences();
 436                 }
 437
 438                 if (opid == "qmcSearch") {
 439                         displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
 440                         return;
 441                 }
 442
 443                 if (opid == "qmcAddFeed") {
 444                         displayDlg("quickAddFeed");
 445                         return;
 446                 }
 447
 448                 if (opid == "qmcRemoveFeed") {
 449                         var actid = getActiveFeedId();
 450
 451                         if (!actid || activeFeedIsCat()) {
 452                                 alert("Please select some feed first.");
 453                                 return;
 454                         }
 455
 456                         var fn = getFeedName(actid);
 457
 458                         if (confirm("Unsubscribe from " + fn + "?")) {
 459                                 qfdDelete(actid);
 460                         }
 461
 462                         return;
 463                 }
 464
 465                 if (opid == "qmcUpdateFeeds") {
 466                         scheduleFeedUpdate(true);
 467                         return;
 468                 }
 469
 470                 if (opid == "qmcCatchupAll") {
 471                         catchupAllFeeds();
 472                         return;
 473                 }
 474
 475                 if (opid == "qmcShowOnlyUnread") {
 476                         toggleDispRead();
 477                         return;
 478                 }
 479
 480                 if (opid == "qmcAddFilter") {
 481                         displayDlg("quickAddFilter", getActiveFeedId());
 482                 }
 483         } catch (e) {
 484                 exception_error("quickMenuGo", e);
 485         }
 486 }
 487
 488 function qfdDelete(feed_id) {
 489
 490         notify("Removing feed...");
 491
 492         if (!xmlhttp_ready(xmlhttp)) {
 493                 printLockingError();
 494                 return
 495         }
 496
 497         _qfd_deleted_feed = feed_id;
 498
 499         xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
 500         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 501         xmlhttp.send(null);
 502 }
 503
 504
 505 function updateFeedTitle(t) {
 506         active_title_text = t;
 507         updateTitle();
 508 }
 509
 510 function toggleDispRead() {
 511         try {
 512
 513                 if (!xmlhttp_ready(xmlhttp)) {
 514                         printLockingError();
 515                         return
 516                 }
 517
 518                 var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 519
 520                 hide_read_feeds = !hide_read_feeds;
 521
 522                 debug("toggle_disp_read => " + hide_read_feeds);
 523
 524                 hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
 525
 526                 var query = "backend.php?op=rpc&subop=setpref" +
 527                         "&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 528
 529                 storeInitParam("hide_read_feeds", hide_read_feeds, true);
 530
 531                 new Ajax.Request(query);
 532
 533         } catch (e) {
 534                 exception_error("toggleDispRead", e);
 535         }
 536 }
 537
 538 function parse_runtime_info(elem) {
 539         var param = elem.firstChild;
 540
 541         debug("parse_runtime_info");
 542
 543         while (param) {
 544                 var k = param.getAttribute("key");
 545                 var v = param.getAttribute("value");
 546
 547                 debug("RI: " + k + " => " + v);
 548
 549                 var w = document.getElementById("noDaemonWarning");
 550
 551                 if (w) {
 552                         if (k == "daemon_is_running" && v != 1) {
 553                                 w.style.display = "block";
 554                         } else {
 555                                 w.style.display = "none";
 556                         }
 557                 }
 558                 param = param.nextSibling;
 559         }
 560 }
 561
 562 function catchupCurrentFeed() {
 563
 564         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 565
 566         var str = "Mark all articles in " + fn + " as read?";
 567
 568 /*      if (active_feed_is_cat) {
 569                 str = "Mark all articles in this category as read?";
 570         } */
 571
 572         if (confirm(str)) {
 573                 return viewCurrentFeed('MarkAllRead')
 574         }
 575 }
 576