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 /*
  52 function feedlist_callback() {
  53         var container = document.getElementById('feeds');
  54         if (xmlhttp.readyState == 4) {
  55                 container.innerHTML=xmlhttp.responseText;
  56
  57                 if (first_run) {
  58                         scheduleFeedUpdate(false);
  59                         if (getCookie("ttrss_vf_actfeed")) {
  60                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  61                         }
  62                         first_run = false;
  63                 } else {
  64                         notify("");
  65                 }
  66         }
  67 }
  68 */
  69
  70 function refetch_callback() {
  71         if (xmlhttp.readyState == 4) {
  72
  73 //              document.title = "Tiny Tiny RSS";
  74
  75                 if (!xmlhttp.responseXML) {
  76                         notify("refetch_callback: backend did not return valid XML");
  77                         return;
  78                 }
  79
  80                 var reply = xmlhttp.responseXML.firstChild;
  81
  82                 if (!reply) {
  83                         notify("refetch_callback: backend did not return expected XML object");
  84                         return;
  85                 }
  86
  87                 var f_document = window.frames["feeds-frame"].document;
  88
  89                 for (var l = 0; l < reply.childNodes.length; l++) {
  90                         var id = reply.childNodes[l].getAttribute("id");
  91                         var ctr = reply.childNodes[l].getAttribute("counter");
  92
  93                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  94                         var feedu = f_document.getElementById("FEEDU-" + id);
  95                         var feedr = f_document.getElementById("FEEDR-" + id);
  96
  97 /*                      TODO figure out how to update this from viewfeed.js->view()
  98                         disabled for now...
  99
 100                         if (id == "global-unread") {
 101                                 global_unread = ctr;
 102                         } */
 103
 104                         if (feedctr && feedu && feedr) {
 105
 106                                 feedu.innerHTML = ctr;
 107
 108                                 if (ctr > 0) {
 109                                         feedctr.className = "odd";
 110                                         if (!feedr.className.match("Unread")) {
 111                                                 feedr.className = feedr.className + "Unread";
 112                                         }
 113                                 } else {
 114                                         feedctr.className = "invisible";
 115                                         feedr.className = feedr.className.replace("Unread", "");
 116                                 }
 117                         }
 118                 }
 119
 120                 updateTitle("");
 121                 notify("All feeds updated.");
 122
 123         }
 124 }
 125
 126 function updateFeed(feed_id) {
 127
 128         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 129
 130         if (xmlhttp_ready(xmlhttp)) {
 131                 xmlhttp.open("GET", query_str, true);
 132                 xmlhttp.onreadystatechange=feed_update_callback;
 133                 xmlhttp.send(null);
 134         } else {
 135                 printLockingError();
 136         }
 137
 138 }
 139
 140 function scheduleFeedUpdate(force) {
 141
 142         notify("Updating feeds in background...");
 143
 144 //      document.title = "Tiny Tiny RSS - Updating...";
 145
 146         updateTitle("Updating...");
 147
 148         var query_str = "backend.php?op=rpc&subop=";
 149
 150         if (force) {
 151                 query_str = query_str + "forceUpdateAllFeeds";
 152         } else {
 153                 query_str = query_str + "updateAllFeeds";
 154         }
 155
 156         if (xmlhttp_ready(xmlhttp)) {
 157                 xmlhttp.open("GET", query_str, true);
 158                 xmlhttp.onreadystatechange=refetch_callback;
 159                 xmlhttp.send(null);
 160         } else {
 161                 printLockingError();
 162         }
 163 }
 164
 165 function updateFeedList(silent, fetch) {
 166
 167 //      if (silent != true) {
 168 //              notify("Loading feed list...");
 169 //      }
 170
 171         var query_str = "backend.php?op=feeds";
 172
 173         if (display_tags) {
 174                 query_str = query_str + "&tags=1";
 175         }
 176
 177         if (getActiveFeedId()) {
 178                 query_str = query_str + "&actid=" + getActiveFeedId();
 179         }
 180
 181         if (fetch) query_str = query_str + "&fetch=yes";
 182
 183         var feeds_frame = document.getElementById("feeds-frame");
 184
 185         feeds_frame.src = query_str;
 186 }
 187
 188 function catchupAllFeeds() {
 189
 190         var query_str = "backend.php?op=feeds&subop=catchupAll";
 191
 192         notify("Marking all feeds as read...");
 193
 194         var feeds_frame = document.getElementById("feeds-frame");
 195
 196         feeds_frame.src = query_str;
 197
 198         global_unread = 0;
 199         updateTitle();
 200
 201 }
 202
 203 function viewCurrentFeed(skip, subop) {
 204
 205         if (getActiveFeedId()) {
 206                 viewfeed(getActiveFeedId(), skip, subop);
 207         }
 208 }
 209
 210 function viewfeed(feed, skip, subop) {
 211
 212 //      notify("Loading headlines...");
 213
 214         enableHotkeys();
 215
 216         var searchbox = document.getElementById("searchbox");
 217
 218         if (searchbox) {
 219                 search_query = searchbox.value;
 220         } else {
 221                 search_query = "";
 222         }
 223
 224         var searchmodebox = document.getElementById("searchmodebox");
 225
 226         if (searchmodebox) {
 227                 search_mode = searchmodebox.value;
 228         } else {
 229                 search_mode = "";
 230         }
 231
 232         setCookie("ttrss_vf_smode", search_mode);
 233
 234         var viewbox = document.getElementById("viewbox");
 235
 236         var view_mode;
 237
 238         if (viewbox) {
 239                 view_mode = viewbox[viewbox.selectedIndex].text;
 240         } else {
 241                 view_mode = "All Posts";
 242         }
 243
 244         setCookie("ttrss_vf_vmode", view_mode);
 245
 246         var limitbox = document.getElementById("limitbox");
 247
 248         var limit;
 249
 250         if (limitbox) {
 251                 limit = limitbox[limitbox.selectedIndex].text;
 252                 setCookie("ttrss_vf_limit", limit);
 253         } else {
 254                 limit = "All";
 255         }
 256
 257         setActiveFeedId(feed);
 258
 259         var f_doc = frames["feeds-frame"].document;
 260
 261 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 262
 263         if (subop == "MarkAllRead") {
 264
 265                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 266                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 267
 268                 feedctr.className = "invisible";
 269
 270                 if (feedr.className.match("Unread")) {
 271                         feedr.className = feedr.className.replace("Unread", "");
 272                 }
 273         }
 274
 275         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 276                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 277                 "&view=" + param_escape(view_mode) + "&limit=" + limit +
 278                 "&smode=" + param_escape(search_mode);
 279
 280         if (search_query != "") {
 281                 query = query + "&search=" + param_escape(search_query);
 282         }
 283
 284         var headlines_frame = parent.frames["headlines-frame"];
 285
 286         headlines_frame.location.href = query + "&addheader=true";
 287
 288         cleanSelected("feedsList");
 289         var feedr = document.getElementById("FEEDR-" + feed);
 290         if (feedr) {
 291                 feedr.className = feedr.className + "Selected";
 292         }
 293
 294         disableContainerChildren("headlinesToolbar", false, doc);
 295
 296         var btnMarkAsRead = document.getElementById("btnMarkFeedAsRead");
 297
 298         if (btnMarkAsRead && (feed < 0 || !isNumeric(feed))) {
 299                 btnMarkAsRead.disabled = true;
 300                 btnMarkAsRead.className = "disabledButton";
 301         }
 302
 303 //      notify("");
 304
 305 }
 306
 307
 308 function timeout() {
 309         scheduleFeedUpdate(true);
 310         setTimeout("timeout()", 1800*1000);
 311 }
 312
 313 function resetSearch() {
 314         var searchbox = document.getElementById("searchbox")
 315
 316         if (searchbox.value != "" && getActiveFeedId()) {
 317                 searchbox.value = "";
 318                 viewfeed(getActiveFeedId(), 0, "");
 319         }
 320 }
 321
 322 function search() {
 323         viewCurrentFeed(0, "");
 324 }
 325
 326 function localPiggieFunction(enable) {
 327         if (enable) {
 328                 var query_str = "backend.php?op=feeds&subop=piggie";
 329
 330                 if (xmlhttp_ready(xmlhttp)) {
 331
 332                         xmlhttp.open("GET", query_str, true);
 333                         xmlhttp.onreadystatechange=feedlist_callback;
 334                         xmlhttp.send(null);
 335                 }
 336         }
 337 }
 338
 339 function localHotkeyHandler(keycode) {
 340
 341 /*      if (keycode == 78) {
 342                 return moveToPost('next');
 343         }
 344
 345         if (keycode == 80) {
 346                 return moveToPost('prev');
 347         } */
 348
 349         if (keycode == 82) {
 350                 return scheduleFeedUpdate(true);
 351         }
 352
 353         if (keycode == 85) {
 354                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 355         }
 356
 357 //      notify("KC: " + keycode);
 358
 359 }
 360
 361 function updateTitle(s) {
 362         var tmp = "Tiny Tiny RSS";
 363
 364         if (global_unread > 0) {
 365                 tmp = tmp + " (" + global_unread + ")";
 366         }
 367
 368         if (s) {
 369                 tmp = tmp + " - " + s;
 370         }
 371         document.title = tmp;
 372 }
 373
 374 function genericSanityCheck() {
 375
 376         if (!xmlhttp) {
 377                 document.getElementById("headlines").innerHTML =
 378                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 379                         "to function properly. Your browser doesn't seem to support it.";
 380                 return false;
 381         }
 382
 383         setCookie("ttrss_vf_test", "TEST");
 384         if (getCookie("ttrss_vf_test") != "TEST") {
 385
 386                 document.getElementById("headlines").innerHTML =
 387                         "<b>Fatal error:</b> This program requires cookies " +
 388                         "to function properly. Your browser doesn't seem to support them.";
 389
 390                 return false;
 391         }
 392
 393         return true;
 394 }
 395
 396 function init() {
 397
 398         disableContainerChildren("headlinesToolbar", true);
 399
 400         if (!genericSanityCheck())
 401                 return;
 402
 403         setCookie("ttrss_vf_actfeed", "");
 404
 405         updateFeedList(false, false);
 406         document.onkeydown = hotkey_handler;
 407
 408         setTimeout("timeout()", 1800*1000);
 409         scheduleFeedUpdate(true);
 410
 411         var content = document.getElementById("content");
 412
 413         if (getCookie("ttrss_vf_vmode")) {
 414                 var viewbox = document.getElementById("viewbox");
 415                 viewbox.value = getCookie("ttrss_vf_vmode");
 416         }
 417
 418         if (getCookie("ttrss_vf_limit")) {
 419                 var limitbox = document.getElementById("limitbox");
 420                 limitbox.value = getCookie("ttrss_vf_limit");
 421         }
 422
 423 //      if (getCookie("ttrss_vf_actfeed")) {
 424 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 425 //      }
 426
 427 }
 428
 429