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