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
  13 var display_tags = false;
  14
  15 /*@cc_on @*/
  16 /*@if (@_jscript_version >= 5)
  17 // JScript gives us Conditional compilation, we can cope with old IE versions.
  18 // and security blocked creation of the objects.
  19 try {
  20         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  21 } catch (e) {
  22         try {
  23                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  24         } catch (E) {
  25                 xmlhttp = false;
  26         }
  27 }
  28 @end @*/
  29
  30 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  31         xmlhttp = new XMLHttpRequest();
  32 }
  33
  34 function toggleTags() {
  35         display_tags = !display_tags;
  36
  37         var p = document.getElementById("dispSwitchPrompt");
  38
  39         if (display_tags) {
  40                 p.innerHTML = "display feeds";
  41         } else {
  42                 p.innerHTML = "display tags";
  43         }
  44
  45         updateFeedList();
  46 }
  47
  48 /*
  49 function feedlist_callback() {
  50         var container = document.getElementById('feeds');
  51         if (xmlhttp.readyState == 4) {
  52                 container.innerHTML=xmlhttp.responseText;
  53
  54                 if (first_run) {
  55                         scheduleFeedUpdate(false);
  56                         if (getCookie("ttrss_vf_actfeed")) {
  57                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  58                         }
  59                         first_run = false;
  60                 } else {
  61                         notify("");
  62                 }
  63         }
  64 }
  65 */
  66
  67 function refetch_callback() {
  68         if (xmlhttp.readyState == 4) {
  69
  70                 document.title = "Tiny Tiny RSS";
  71                 notify("All feeds updated.");
  72
  73                 var reply = xmlhttp.responseXML.firstChild;
  74
  75                 var f_document = window.frames["feeds-frame"].document;
  76
  77                 for (var l = 0; l < reply.childNodes.length; l++) {
  78                         var id = reply.childNodes[l].getAttribute("id");
  79                         var ctr = reply.childNodes[l].getAttribute("counter");
  80
  81                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  82                         var feedu = f_document.getElementById("FEEDU-" + id);
  83                         var feedr = f_document.getElementById("FEEDR-" + id);
  84
  85                         if (feedctr && feedu && feedr) {
  86
  87                                 feedu.innerHTML = ctr;
  88
  89                                 if (ctr > 0) {
  90                                         feedctr.className = "odd";
  91                                         if (!feedr.className.match("Unread")) {
  92                                                 feedr.className = feedr.className + "Unread";
  93                                         }
  94                                 } else {
  95                                         feedctr.className = "invisible";
  96                                         feedr.className = feedr.className.replace("Unread", "");
  97                                 }
  98                         }
  99                 }
 100         }
 101 }
 102
 103 function updateFeed(feed_id) {
 104
 105         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 106
 107         if (xmlhttp_ready(xmlhttp)) {
 108                 xmlhttp.open("GET", query_str, true);
 109                 xmlhttp.onreadystatechange=feed_update_callback;
 110                 xmlhttp.send(null);
 111         } else {
 112                 printLockingError();
 113         }
 114
 115 }
 116
 117 function scheduleFeedUpdate(force) {
 118
 119         notify("Updating feeds in background...");
 120
 121         document.title = "Tiny Tiny RSS - Updating...";
 122
 123         var query_str = "backend.php?op=rpc&subop=";
 124
 125         if (force) {
 126                 query_str = query_str + "forceUpdateAllFeeds";
 127         } else {
 128                 query_str = query_str + "updateAllFeeds";
 129         }
 130
 131         if (xmlhttp_ready(xmlhttp)) {
 132                 xmlhttp.open("GET", query_str, true);
 133                 xmlhttp.onreadystatechange=refetch_callback;
 134                 xmlhttp.send(null);
 135         } else {
 136                 printLockingError();
 137         }
 138 }
 139
 140 function updateFeedList(silent, fetch) {
 141
 142 //      if (silent != true) {
 143 //              notify("Loading feed list...");
 144 //      }
 145
 146         var query_str = "backend.php?op=feeds";
 147
 148         if (display_tags) {
 149                 query_str = query_str + "&tags=1";
 150         }
 151
 152         if (getActiveFeedId()) {
 153                 query_str = query_str + "&actid=" + getActiveFeedId();
 154         }
 155
 156         if (fetch) query_str = query_str + "&fetch=yes";
 157
 158         var feeds_frame = document.getElementById("feeds-frame");
 159
 160         feeds_frame.src = query_str;
 161 }
 162
 163 function catchupAllFeeds() {
 164
 165         var query_str = "backend.php?op=feeds&subop=catchupAll";
 166
 167         notify("Marking all feeds as read...");
 168
 169         var feeds_frame = document.getElementById("feeds-frame");
 170
 171         feeds_frame.src = query_str;
 172
 173 }
 174
 175 function viewCurrentFeed(skip, subop) {
 176
 177         if (getActiveFeedId()) {
 178                 viewfeed(getActiveFeedId(), skip, subop);
 179         }
 180 }
 181
 182 function viewfeed(feed, skip, subop) {
 183
 184 //      notify("Loading headlines...");
 185
 186         enableHotkeys();
 187
 188         var searchbox = document.getElementById("searchbox");
 189
 190         if (searchbox) {
 191                 search_query = searchbox.value;
 192         } else {
 193                 search_query = "";
 194         }
 195
 196         var viewbox = document.getElementById("viewbox");
 197
 198         var view_mode;
 199
 200         if (viewbox) {
 201                 view_mode = viewbox[viewbox.selectedIndex].text;
 202         } else {
 203                 view_mode = "All Posts";
 204         }
 205
 206         setCookie("ttrss_vf_vmode", view_mode);
 207
 208         var limitbox = document.getElementById("limitbox");
 209
 210         var limit;
 211
 212         if (limitbox) {
 213                 limit = limitbox[limitbox.selectedIndex].text;
 214                 setCookie("ttrss_vf_limit", limit);
 215         } else {
 216                 limit = "All";
 217         }
 218
 219         setActiveFeedId(feed);
 220
 221         var f_doc = frames["feeds-frame"].document;
 222
 223 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 224
 225         if (subop == "MarkAllRead") {
 226
 227                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 228                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 229
 230                 feedctr.className = "invisible";
 231
 232                 if (feedr.className.match("Unread")) {
 233                         feedr.className = feedr.className.replace("Unread", "");
 234                 }
 235         }
 236
 237         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 238                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 239                 "&view=" + param_escape(view_mode) + "&limit=" + limit;
 240
 241         if (search_query != "") {
 242                 query = query + "&search=" + param_escape(search_query);
 243         }
 244
 245         var headlines_frame = parent.frames["headlines-frame"];
 246
 247         headlines_frame.location.href = query + "&addheader=true";
 248
 249         cleanSelected("feedsList");
 250         var feedr = document.getElementById("FEEDR-" + feed);
 251         if (feedr) {
 252                 feedr.className = feedr.className + "Selected";
 253         }
 254
 255         disableContainerChildren("headlinesToolbar", false, doc);
 256
 257 //      notify("");
 258
 259 }
 260
 261
 262 function timeout() {
 263         scheduleFeedUpdate(true);
 264         setTimeout("timeout()", 1800*1000);
 265 }
 266
 267 function resetSearch() {
 268         var searchbox = document.getElementById("searchbox")
 269
 270         if (searchbox.value != "" && getActiveFeedId()) {
 271                 searchbox.value = "";
 272                 viewfeed(getActiveFeedId(), 0, "");
 273         }
 274 }
 275
 276 function search() {
 277         viewCurrentFeed(0, "");
 278 }
 279
 280 function localPiggieFunction(enable) {
 281         if (enable) {
 282                 var query_str = "backend.php?op=feeds&subop=piggie";
 283
 284                 if (xmlhttp_ready(xmlhttp)) {
 285
 286                         xmlhttp.open("GET", query_str, true);
 287                         xmlhttp.onreadystatechange=feedlist_callback;
 288                         xmlhttp.send(null);
 289                 }
 290         }
 291 }
 292
 293 function localHotkeyHandler(keycode) {
 294
 295 /*      if (keycode == 78) {
 296                 return moveToPost('next');
 297         }
 298
 299         if (keycode == 80) {
 300                 return moveToPost('prev');
 301         } */
 302
 303         if (keycode == 82) {
 304                 return scheduleFeedUpdate(true);
 305         }
 306
 307         if (keycode == 85) {
 308                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 309         }
 310
 311 //      notify("KC: " + keycode);
 312
 313 }
 314
 315 function genericSanityCheck() {
 316
 317         if (!xmlhttp) {
 318                 document.getElementById("headlines").innerHTML =
 319                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 320                         "to function properly. Your browser doesn't seem to support it.";
 321                 return false;
 322         }
 323
 324         setCookie("ttrss_vf_test", "TEST");
 325         if (getCookie("ttrss_vf_test") != "TEST") {
 326
 327                 document.getElementById("headlines").innerHTML =
 328                         "<b>Fatal error:</b> This program requires cookies " +
 329                         "to function properly. Your browser doesn't seem to support them.";
 330
 331                 return false;
 332         }
 333
 334         return true;
 335 }
 336
 337 function init() {
 338
 339         disableContainerChildren("headlinesToolbar", true);
 340
 341         if (!genericSanityCheck())
 342                 return;
 343
 344         updateFeedList(false, false);
 345         document.onkeydown = hotkey_handler;
 346
 347         setTimeout("timeout()", 1800*1000);
 348         scheduleFeedUpdate(true);
 349
 350         var content = document.getElementById("content");
 351
 352         if (getCookie("ttrss_vf_vmode")) {
 353                 var viewbox = document.getElementById("viewbox");
 354                 viewbox.value = getCookie("ttrss_vf_vmode");
 355         }
 356
 357         if (getCookie("ttrss_vf_limit")) {
 358                 var limitbox = document.getElementById("limitbox");
 359                 limitbox.value = getCookie("ttrss_vf_limit");
 360         }
 361
 362 //      if (getCookie("ttrss_vf_actfeed")) {
 363 //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
 364 //      }
 365
 366         setCookie("ttrss_vf_actfeed", "");
 367
 368 }
 369
 370