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 //var display_read_feeds = true;
  16
  17 var global_unread = 0;
  18
  19 /*@cc_on @*/
  20 /*@if (@_jscript_version >= 5)
  21 // JScript gives us Conditional compilation, we can cope with old IE versions.
  22 // and security blocked creation of the objects.
  23 try {
  24         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  25 } catch (e) {
  26         try {
  27                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  28         } catch (E) {
  29                 xmlhttp = false;
  30         }
  31 }
  32 @end @*/
  33
  34 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  35         xmlhttp = new XMLHttpRequest();
  36 }
  37
  38 function toggleTags() {
  39         display_tags = !display_tags;
  40
  41         var p = document.getElementById("dispSwitchPrompt");
  42
  43         if (display_tags) {
  44                 p.innerHTML = "display feeds";
  45         } else {
  46                 p.innerHTML = "display tags";
  47         }
  48
  49         updateFeedList();
  50 }
  51
  52 function dlg_frefresh_callback() {
  53         if (xmlhttp.readyState == 4) {
  54                 updateFeedList(false, false);
  55                 closeDlg();
  56         }
  57 }
  58
  59 function dialog_refresh_callback() {
  60         if (xmlhttp.readyState == 4) {
  61                 var dlg = document.getElementById("userDlg");
  62
  63                 dlg.innerHTML = xmlhttp.responseText;
  64                 dlg.style.display = "block";
  65         }
  66 }
  67
  68 function refetch_callback() {
  69         if (xmlhttp.readyState == 4) {
  70
  71 //              document.title = "Tiny Tiny RSS";
  72
  73                 if (!xmlhttp.responseXML) {
  74                         notify("refetch_callback: backend did not return valid XML");
  75                         return;
  76                 }
  77
  78                 var reply = xmlhttp.responseXML.firstChild;
  79
  80                 if (!reply) {
  81                         notify("refetch_callback: backend did not return expected XML object");
  82                         return;
  83                 }
  84
  85                 var f_document = window.frames["feeds-frame"].document;
  86
  87                 for (var l = 0; l < reply.childNodes.length; l++) {
  88                         var id = reply.childNodes[l].getAttribute("id");
  89                         var ctr = reply.childNodes[l].getAttribute("counter");
  90
  91                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  92                         var feedu = f_document.getElementById("FEEDU-" + id);
  93                         var feedr = f_document.getElementById("FEEDR-" + id);
  94
  95 /*                      TODO figure out how to update this from viewfeed.js->view()
  96                         disabled for now...
  97
  98                         if (id == "global-unread") {
  99                                 global_unread = ctr;
 100                         } */
 101
 102                         if (feedctr && feedu && feedr) {
 103
 104                                 feedu.innerHTML = ctr;
 105
 106                                 if (ctr > 0) {
 107                                         feedctr.className = "odd";
 108                                         if (!feedr.className.match("Unread")) {
 109                                                 feedr.className = feedr.className + "Unread";
 110                                         }
 111                                 } else {
 112                                         feedctr.className = "invisible";
 113                                         feedr.className = feedr.className.replace("Unread", "");
 114                                 }
 115                         }
 116                 }
 117
 118                 updateTitle("");
 119                 notify("All feeds updated.");
 120
 121         }
 122 }
 123
 124 function backend_sanity_check_callback() {
 125
 126         if (xmlhttp.readyState == 4) {
 127
 128                 if (!xmlhttp.responseXML) {
 129                         fatalError(3);
 130                         return;
 131                 }
 132
 133                 var reply = xmlhttp.responseXML.firstChild;
 134
 135                 if (!reply) {
 136                         fatalError(3);
 137                         return;
 138                 }
 139
 140                 var error_code = reply.getAttribute("code");
 141
 142                 if (error_code && error_code != 0) {
 143                         return fatalError(error_code);
 144                 }
 145
 146                 init_second_stage();
 147         }
 148 }
 149
 150 function updateFeed(feed_id) {
 151
 152         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 153
 154         if (xmlhttp_ready(xmlhttp)) {
 155                 xmlhttp.open("GET", query_str, true);
 156                 xmlhttp.onreadystatechange=feed_update_callback;
 157                 xmlhttp.send(null);
 158         } else {
 159                 printLockingError();
 160         }
 161
 162 }
 163
 164 function scheduleFeedUpdate(force) {
 165
 166         notify("Updating feeds in background...");
 167
 168 //      document.title = "Tiny Tiny RSS - Updating...";
 169
 170         updateTitle("Updating...");
 171
 172         var query_str = "backend.php?op=rpc&subop=";
 173
 174         if (force) {
 175                 query_str = query_str + "forceUpdateAllFeeds";
 176         } else {
 177                 query_str = query_str + "updateAllFeeds";
 178         }
 179
 180         var omode;
 181
 182         if (display_tags) {
 183                 omode = "t";
 184         } else {
 185                 omode = "fl";
 186         }
 187
 188         query_str = query_str + "&omode=" + omode;
 189
 190         if (xmlhttp_ready(xmlhttp)) {
 191                 xmlhttp.open("GET", query_str, true);
 192                 xmlhttp.onreadystatechange=refetch_callback;
 193                 xmlhttp.send(null);
 194         } else {
 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()) {
 212                 query_str = query_str + "&actid=" + getActiveFeedId();
 213         }
 214
 215         if (fetch) query_str = query_str + "&fetch=yes";
 216
 217         var feeds_frame = document.getElementById("feeds-frame");
 218
 219         feeds_frame.src = query_str;
 220 }
 221
 222 function catchupAllFeeds() {
 223
 224         var query_str = "backend.php?op=feeds&subop=catchupAll";
 225
 226         notify("Marking all feeds as read...");
 227
 228         var feeds_frame = document.getElementById("feeds-frame");
 229
 230         feeds_frame.src = query_str;
 231
 232         global_unread = 0;
 233         updateTitle();
 234
 235 }
 236
 237 function viewCurrentFeed(skip, subop) {
 238
 239         if (getActiveFeedId()) {
 240                 viewfeed(getActiveFeedId(), skip, subop);
 241         } else {
 242                 disableContainerChildren("headlinesToolbar", false, document);
 243                 viewfeed(-1, skip, subop); // FIXME
 244         }
 245 }
 246
 247 function viewfeed(feed, skip, subop) {
 248         var f = window.frames["feeds-frame"];
 249         f.viewfeed(feed, skip, subop);
 250 }
 251
 252 function timeout() {
 253         scheduleFeedUpdate(true);
 254         setTimeout("timeout()", 1800*1000);
 255 }
 256
 257 function resetSearch() {
 258         var searchbox = document.getElementById("searchbox")
 259
 260         if (searchbox.value != "" && getActiveFeedId()) {
 261                 searchbox.value = "";
 262                 viewfeed(getActiveFeedId(), 0, "");
 263         }
 264 }
 265
 266 function search() {
 267         viewCurrentFeed(0, "");
 268 }
 269
 270 function localPiggieFunction(enable) {
 271         if (enable) {
 272                 var query_str = "backend.php?op=feeds&subop=piggie";
 273
 274                 if (xmlhttp_ready(xmlhttp)) {
 275
 276                         xmlhttp.open("GET", query_str, true);
 277                         xmlhttp.onreadystatechange=feedlist_callback;
 278                         xmlhttp.send(null);
 279                 }
 280         }
 281 }
 282
 283 function localHotkeyHandler(keycode) {
 284
 285 /*      if (keycode == 78) {
 286                 return moveToPost('next');
 287         }
 288
 289         if (keycode == 80) {
 290                 return moveToPost('prev');
 291         } */
 292
 293         if (keycode == 82) { // r
 294                 return scheduleFeedUpdate(true);
 295         }
 296
 297         if (keycode == 85) { // u
 298                 if (getActiveFeedId()) {
 299                         return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 300                 }
 301         }
 302
 303         if (keycode == 65) { // a
 304                 return toggleDispRead();
 305         }
 306
 307 //      notify("KC: " + keycode);
 308
 309 }
 310
 311 function updateTitle(s) {
 312         var tmp = "Tiny Tiny RSS";
 313
 314         if (global_unread > 0) {
 315                 tmp = tmp + " (" + global_unread + ")";
 316         }
 317
 318         if (s) {
 319                 tmp = tmp + " - " + s;
 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 /*      if (!xmlhttp) {
 335                 document.getElementById("headlines").innerHTML =
 336                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 337                         "to function properly. Your browser doesn't seem to support it.";
 338                 return false;
 339         }
 340
 341         setCookie("ttrss_vf_test", "TEST");
 342         if (getCookie("ttrss_vf_test") != "TEST") {
 343
 344                 document.getElementById("headlines").innerHTML =
 345                         "<b>Fatal error:</b> This program requires cookies " +
 346                         "to function properly. Your browser doesn't seem to support them.";
 347
 348                 return false;
 349         } */
 350
 351         return true;
 352 }
 353
 354 function init() {
 355
 356         disableContainerChildren("headlinesToolbar", true);
 357
 358         if (!genericSanityCheck())
 359                 return;
 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 }
 366
 367 function init_second_stage() {
 368
 369         setCookie("ttrss_vf_actfeed", "");
 370
 371         updateFeedList(false, false);
 372         document.onkeydown = hotkey_handler;
 373
 374         var content = document.getElementById("content");
 375
 376         if (getCookie("ttrss_vf_vmode")) {
 377                 var viewbox = document.getElementById("viewbox");
 378                 viewbox.value = getCookie("ttrss_vf_vmode");
 379         }
 380
 381         if (getCookie("ttrss_vf_limit")) {
 382                 var limitbox = document.getElementById("limitbox");
 383                 limitbox.value = getCookie("ttrss_vf_limit");
 384         }
 385
 386 //      if (getCookie("ttrss_vf_actfeed")) {
 387 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 388 //      }
 389
 390         setTimeout("timeout()", 2*1000);
 391 //      scheduleFeedUpdate(true);
 392
 393
 394 }
 395
 396 function quickMenuGo() {
 397
 398         var chooser = document.getElementById("quickMenuChooser");
 399         var opid = chooser[chooser.selectedIndex].id;
 400
 401         if (opid == "qmcPrefs") {
 402                 gotoPreferences();
 403         }
 404
 405         if (opid == "qmcAdvSearch") {
 406                 displayDlg("search");
 407                 return;
 408         }
 409
 410         if (opid == "qmcAddFeed") {
 411                 displayDlg("quickAddFeed");
 412                 return;
 413         }
 414
 415         if (opid == "qmcRemoveFeed") {
 416                 var actid = getActiveFeedId();
 417
 418                 if (!actid) {
 419                         notify("Please select some feed first.");
 420                         return;
 421                 }
 422
 423                 displayDlg("quickDelFeed", actid);
 424                 return;
 425         }
 426
 427         if (opid == "qmcUpdateFeeds") {
 428                 scheduleFeedUpdate(true);
 429                 return;
 430         }
 431
 432         if (opid == "qmcCatchupAll") {
 433                 catchupAllFeeds();
 434                 return;
 435         }
 436
 437         if (opid == "qmcShowOnlyUnread") {
 438                 toggleDispRead();
 439                 return;
 440         }
 441
 442 }
 443
 444 function qafAdd() {
 445
 446         if (!xmlhttp_ready(xmlhttp)) {
 447                 printLockingError();
 448                 return
 449         }
 450
 451         var link = document.getElementById("qafInput");
 452
 453         if (link.value.length == 0) {
 454                 notify("Missing feed URL.");
 455         } else {
 456                 notify("Adding feed...");
 457
 458                 var feeds_doc = window.frames["feeds-frame"].document;
 459
 460                 feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 461
 462                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 463                         param_escape(link.value), true);
 464                 xmlhttp.onreadystatechange=dlg_frefresh_callback;
 465                 xmlhttp.send(null);
 466
 467                 link.value = "";
 468
 469         }
 470 }
 471
 472 function displayDlg(id, param) {
 473
 474         notify("");
 475
 476         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
 477                 param_escape(id) + "&param=" + param_escape(param), true);
 478         xmlhttp.onreadystatechange=dialog_refresh_callback;
 479         xmlhttp.send(null);
 480
 481 }
 482
 483 function closeDlg() {
 484         var dlg = document.getElementById("userDlg");
 485         dlg.style.display = "none";
 486 }
 487
 488 function qfdDelete(feed_id) {
 489
 490         notify("Removing feed...");
 491
 492         var feeds_doc = window.frames["feeds-frame"].document;
 493         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 494
 495         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
 496         xmlhttp.onreadystatechange=dlg_frefresh_callback;
 497         xmlhttp.send(null);
 498 }
 499
 500
 501 function allFeedsMenuGo() {
 502         var chooser = document.getElementById("allFeedsChooser");
 503
 504         var opname = chooser[chooser.selectedIndex].text;
 505
 506         if (opname == "Update") {
 507                 scheduleFeedUpdate(true);
 508                 return;
 509         }
 510
 511         if (opname == "Mark as read") {
 512                 catchupAllFeeds();
 513                 return;
 514         }
 515
 516         if (opname == "Show only read") {
 517                 toggleDispRead();
 518                 return;
 519         }
 520
 521 }
 522
 523 function toggleDispRead() {
 524         var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 525
 526         hide_read_feeds = !hide_read_feeds;
 527
 528         var feeds_doc = window.frames["feeds-frame"].document;
 529
 530         hideOrShowFeeds(feeds_doc, hide_read_feeds);
 531
 532         if (hide_read_feeds) {
 533                 setCookie("ttrss_vf_hreadf", 1);
 534         } else {
 535                 setCookie("ttrss_vf_hreadf", 0);
 536         }
 537
 538 }
 539
 540