tt-rss.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7
   8 var total_unread = 0;
   9 var first_run = true;
  10
  11 var search_query = "";
  12 var search_mode = "";
  13
  14 var display_tags = false;
  15
  16 var global_unread = 0;
  17
  18 /*@cc_on @*/
  19 /*@if (@_jscript_version >= 5)
  20 // JScript gives us Conditional compilation, we can cope with old IE versions.
  21 // and security blocked creation of the objects.
  22 try {
  23         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  24 } catch (e) {
  25         try {
  26                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  27         } catch (E) {
  28                 xmlhttp = false;
  29         }
  30 }
  31 @end @*/
  32
  33 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  34         xmlhttp = new XMLHttpRequest();
  35 }
  36
  37 function toggleTags() {
  38         display_tags = !display_tags;
  39
  40         var p = document.getElementById("dispSwitchPrompt");
  41
  42         if (display_tags) {
  43                 p.innerHTML = "display feeds";
  44         } else {
  45                 p.innerHTML = "display tags";
  46         }
  47
  48         updateFeedList();
  49 }
  50
  51 function qaf_add_callback() {
  52         if (xmlhttp.readyState == 4) {
  53                 updateFeedList(false, false);
  54                 closeDlg();
  55         }
  56 }
  57
  58 function dialog_refresh_callback() {
  59         if (xmlhttp.readyState == 4) {
  60                 var dlg = document.getElementById("userDlg");
  61
  62                 dlg.innerHTML = xmlhttp.responseText;
  63                 dlg.style.display = "block";
  64         }
  65 }
  66
  67 function refetch_callback() {
  68         if (xmlhttp.readyState == 4) {
  69
  70 //              document.title = "Tiny Tiny RSS";
  71
  72                 if (!xmlhttp.responseXML) {
  73                         notify("refetch_callback: backend did not return valid XML");
  74                         return;
  75                 }
  76
  77                 var reply = xmlhttp.responseXML.firstChild;
  78
  79                 if (!reply) {
  80                         notify("refetch_callback: backend did not return expected XML object");
  81                         return;
  82                 }
  83
  84                 var f_document = window.frames["feeds-frame"].document;
  85
  86                 for (var l = 0; l < reply.childNodes.length; l++) {
  87                         var id = reply.childNodes[l].getAttribute("id");
  88                         var ctr = reply.childNodes[l].getAttribute("counter");
  89
  90                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  91                         var feedu = f_document.getElementById("FEEDU-" + id);
  92                         var feedr = f_document.getElementById("FEEDR-" + id);
  93
  94 /*                      TODO figure out how to update this from viewfeed.js->view()
  95                         disabled for now...
  96
  97                         if (id == "global-unread") {
  98                                 global_unread = ctr;
  99                         } */
 100
 101                         if (feedctr && feedu && feedr) {
 102
 103                                 feedu.innerHTML = ctr;
 104
 105                                 if (ctr > 0) {
 106                                         feedctr.className = "odd";
 107                                         if (!feedr.className.match("Unread")) {
 108                                                 feedr.className = feedr.className + "Unread";
 109                                         }
 110                                 } else {
 111                                         feedctr.className = "invisible";
 112                                         feedr.className = feedr.className.replace("Unread", "");
 113                                 }
 114                         }
 115                 }
 116
 117                 updateTitle("");
 118                 notify("All feeds updated.");
 119
 120         }
 121 }
 122
 123 function updateFeed(feed_id) {
 124
 125         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 126
 127         if (xmlhttp_ready(xmlhttp)) {
 128                 xmlhttp.open("GET", query_str, true);
 129                 xmlhttp.onreadystatechange=feed_update_callback;
 130                 xmlhttp.send(null);
 131         } else {
 132                 printLockingError();
 133         }
 134
 135 }
 136
 137 function scheduleFeedUpdate(force) {
 138
 139         notify("Updating feeds in background...");
 140
 141 //      document.title = "Tiny Tiny RSS - Updating...";
 142
 143         updateTitle("Updating...");
 144
 145         var query_str = "backend.php?op=rpc&subop=";
 146
 147         if (force) {
 148                 query_str = query_str + "forceUpdateAllFeeds";
 149         } else {
 150                 query_str = query_str + "updateAllFeeds";
 151         }
 152
 153         if (xmlhttp_ready(xmlhttp)) {
 154                 xmlhttp.open("GET", query_str, true);
 155                 xmlhttp.onreadystatechange=refetch_callback;
 156                 xmlhttp.send(null);
 157         } else {
 158                 printLockingError();
 159         }
 160 }
 161
 162 function updateFeedList(silent, fetch) {
 163
 164 //      if (silent != true) {
 165 //              notify("Loading feed list...");
 166 //      }
 167
 168         var query_str = "backend.php?op=feeds";
 169
 170         if (display_tags) {
 171                 query_str = query_str + "&tags=1";
 172         }
 173
 174         if (getActiveFeedId()) {
 175                 query_str = query_str + "&actid=" + getActiveFeedId();
 176         }
 177
 178         if (fetch) query_str = query_str + "&fetch=yes";
 179
 180         var feeds_frame = document.getElementById("feeds-frame");
 181
 182         feeds_frame.src = query_str;
 183 }
 184
 185 function catchupAllFeeds() {
 186
 187         var query_str = "backend.php?op=feeds&subop=catchupAll";
 188
 189         notify("Marking all feeds as read...");
 190
 191         var feeds_frame = document.getElementById("feeds-frame");
 192
 193         feeds_frame.src = query_str;
 194
 195         global_unread = 0;
 196         updateTitle();
 197
 198 }
 199
 200 function viewCurrentFeed(skip, subop) {
 201
 202         if (getActiveFeedId()) {
 203                 viewfeed(getActiveFeedId(), skip, subop);
 204         }
 205 }
 206
 207 function viewfeed(feed, skip, subop) {
 208
 209 //      notify("Loading headlines...");
 210
 211         enableHotkeys();
 212
 213         var searchbox = document.getElementById("searchbox");
 214
 215         if (searchbox) {
 216                 search_query = searchbox.value;
 217         } else {
 218                 search_query = "";
 219         }
 220
 221         var searchmodebox = document.getElementById("searchmodebox");
 222
 223         if (searchmodebox) {
 224                 search_mode = searchmodebox.value;
 225         } else {
 226                 search_mode = "";
 227         }
 228
 229         setCookie("ttrss_vf_smode", search_mode);
 230
 231         var viewbox = document.getElementById("viewbox");
 232
 233         var view_mode;
 234
 235         if (viewbox) {
 236                 view_mode = viewbox[viewbox.selectedIndex].text;
 237         } else {
 238                 view_mode = "All Posts";
 239         }
 240
 241         setCookie("ttrss_vf_vmode", view_mode);
 242
 243         var limitbox = document.getElementById("limitbox");
 244
 245         var limit;
 246
 247         if (limitbox) {
 248                 limit = limitbox[limitbox.selectedIndex].text;
 249                 setCookie("ttrss_vf_limit", limit);
 250         } else {
 251                 limit = "All";
 252         }
 253
 254         setActiveFeedId(feed);
 255
 256         var f_doc = frames["feeds-frame"].document;
 257
 258 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 259
 260         if (subop == "MarkAllRead") {
 261
 262                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 263                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 264
 265                 feedctr.className = "invisible";
 266
 267                 if (feedr.className.match("Unread")) {
 268                         feedr.className = feedr.className.replace("Unread", "");
 269                 }
 270         }
 271
 272         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 273                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 274                 "&view=" + param_escape(view_mode) + "&limit=" + limit +
 275                 "&smode=" + param_escape(search_mode);
 276
 277         if (search_query != "") {
 278                 query = query + "&search=" + param_escape(search_query);
 279         }
 280
 281         var headlines_frame = parent.frames["headlines-frame"];
 282
 283         headlines_frame.location.href = query + "&addheader=true";
 284
 285         cleanSelected("feedsList");
 286         var feedr = document.getElementById("FEEDR-" + feed);
 287         if (feedr) {
 288                 feedr.className = feedr.className + "Selected";
 289         }
 290
 291         disableContainerChildren("headlinesToolbar", false, doc);
 292
 293         var btnMarkAsRead = document.getElementById("btnMarkFeedAsRead");
 294
 295         if (btnMarkAsRead && !isNumeric(feed)) {
 296                 btnMarkAsRead.disabled = true;
 297                 btnMarkAsRead.className = "disabledButton";
 298         }
 299
 300 //      notify("");
 301
 302 }
 303
 304
 305 function timeout() {
 306         scheduleFeedUpdate(true);
 307         setTimeout("timeout()", 1800*1000);
 308 }
 309
 310 function resetSearch() {
 311         var searchbox = document.getElementById("searchbox")
 312
 313         if (searchbox.value != "" && getActiveFeedId()) {
 314                 searchbox.value = "";
 315                 viewfeed(getActiveFeedId(), 0, "");
 316         }
 317 }
 318
 319 function search() {
 320         viewCurrentFeed(0, "");
 321 }
 322
 323 function localPiggieFunction(enable) {
 324         if (enable) {
 325                 var query_str = "backend.php?op=feeds&subop=piggie";
 326
 327                 if (xmlhttp_ready(xmlhttp)) {
 328
 329                         xmlhttp.open("GET", query_str, true);
 330                         xmlhttp.onreadystatechange=feedlist_callback;
 331                         xmlhttp.send(null);
 332                 }
 333         }
 334 }
 335
 336 function localHotkeyHandler(keycode) {
 337
 338 /*      if (keycode == 78) {
 339                 return moveToPost('next');
 340         }
 341
 342         if (keycode == 80) {
 343                 return moveToPost('prev');
 344         } */
 345
 346         if (keycode == 82) {
 347                 return scheduleFeedUpdate(true);
 348         }
 349
 350         if (keycode == 85) {
 351                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 352         }
 353
 354 //      notify("KC: " + keycode);
 355
 356 }
 357
 358 function updateTitle(s) {
 359         var tmp = "Tiny Tiny RSS";
 360
 361         if (global_unread > 0) {
 362                 tmp = tmp + " (" + global_unread + ")";
 363         }
 364
 365         if (s) {
 366                 tmp = tmp + " - " + s;
 367         }
 368         document.title = tmp;
 369 }
 370
 371 function genericSanityCheck() {
 372
 373         if (!xmlhttp) {
 374                 document.getElementById("headlines").innerHTML =
 375                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 376                         "to function properly. Your browser doesn't seem to support it.";
 377                 return false;
 378         }
 379
 380         setCookie("ttrss_vf_test", "TEST");
 381         if (getCookie("ttrss_vf_test") != "TEST") {
 382
 383                 document.getElementById("headlines").innerHTML =
 384                         "<b>Fatal error:</b> This program requires cookies " +
 385                         "to function properly. Your browser doesn't seem to support them.";
 386
 387                 return false;
 388         }
 389
 390         return true;
 391 }
 392
 393 function init() {
 394
 395         disableContainerChildren("headlinesToolbar", true);
 396
 397         if (!genericSanityCheck())
 398                 return;
 399
 400         setCookie("ttrss_vf_actfeed", "");
 401
 402         updateFeedList(false, false);
 403         document.onkeydown = hotkey_handler;
 404
 405         setTimeout("timeout()", 1800*1000);
 406         scheduleFeedUpdate(true);
 407
 408         var content = document.getElementById("content");
 409
 410         if (getCookie("ttrss_vf_vmode")) {
 411                 var viewbox = document.getElementById("viewbox");
 412                 viewbox.value = getCookie("ttrss_vf_vmode");
 413         }
 414
 415         if (getCookie("ttrss_vf_limit")) {
 416                 var limitbox = document.getElementById("limitbox");
 417                 limitbox.value = getCookie("ttrss_vf_limit");
 418         }
 419
 420 //      if (getCookie("ttrss_vf_actfeed")) {
 421 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 422 //      }
 423
 424 }
 425
 426 function quickMenuGo() {
 427         var chooser = document.getElementById("quickMenuChooser");
 428
 429         var opname = chooser[chooser.selectedIndex].text;
 430
 431         if (opname == "Preferences") {
 432                 gotoPreferences();
 433         }
 434
 435         if (opname == "Add new feed") {
 436                 displayDlg("quickAddFeed");
 437         }
 438 }
 439
 440 function qafAdd() {
 441
 442         if (!xmlhttp_ready(xmlhttp)) {
 443                 printLockingError();
 444                 return
 445         }
 446
 447         var link = document.getElementById("qafInput");
 448
 449         if (link.value.length == 0) {
 450                 notify("Missing feed URL.");
 451         } else {
 452                 notify("Adding feed...");
 453
 454                 var feeds_doc = window.frames["feeds-frame"].document;
 455
 456                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 457
 458                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 459                         param_escape(link.value), true);
 460                 xmlhttp.onreadystatechange=qaf_add_callback;
 461                 xmlhttp.send(null);
 462
 463                 link.value = "";
 464
 465         }
 466 }
 467
 468 function displayDlg(id) {
 469
 470         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 471                 param_escape(id), true);
 472         xmlhttp.onreadystatechange=dialog_refresh_callback;
 473         xmlhttp.send(null);
 474
 475 }
 476
 477 function closeDlg() {
 478         var dlg = document.getElementById("userDlg");
 479         dlg.style.display = "none";
 480 }
 481