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 /*@cc_on @*/
  17 /*@if (@_jscript_version >= 5)
  18 // JScript gives us Conditional compilation, we can cope with old IE versions.
  19 // and security blocked creation of the objects.
  20 try {
  21         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  22 } catch (e) {
  23         try {
  24                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  25         } catch (E) {
  26                 xmlhttp = false;
  27         }
  28 }
  29 @end @*/
  30
  31 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  32         xmlhttp = new XMLHttpRequest();
  33 }
  34
  35 function toggleTags() {
  36         display_tags = !display_tags;
  37
  38         var p = document.getElementById("dispSwitchPrompt");
  39
  40         if (display_tags) {
  41                 p.innerHTML = "display feeds";
  42         } else {
  43                 p.innerHTML = "display tags";
  44         }
  45
  46         updateFeedList();
  47 }
  48
  49 /*
  50 function feedlist_callback() {
  51         var container = document.getElementById('feeds');
  52         if (xmlhttp.readyState == 4) {
  53                 container.innerHTML=xmlhttp.responseText;
  54
  55                 if (first_run) {
  56                         scheduleFeedUpdate(false);
  57                         if (getCookie("ttrss_vf_actfeed")) {
  58                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  59                         }
  60                         first_run = false;
  61                 } else {
  62                         notify("");
  63                 }
  64         }
  65 }
  66 */
  67
  68 function refetch_callback() {
  69         if (xmlhttp.readyState == 4) {
  70
  71                 document.title = "Tiny Tiny RSS";
  72                 notify("All feeds updated.");
  73
  74                 if (!xmlhttp.responseXML) {
  75                         notify("refetch_callback: backend did not return valid XML");
  76                         return;
  77                 }
  78
  79                 var reply = xmlhttp.responseXML.firstChild;
  80
  81                 if (!reply) {
  82                         notify("refetch_callback: backend did not return expected XML object");
  83                         return;
  84                 }
  85
  86                 var f_document = window.frames["feeds-frame"].document;
  87
  88                 for (var l = 0; l < reply.childNodes.length; l++) {
  89                         var id = reply.childNodes[l].getAttribute("id");
  90                         var ctr = reply.childNodes[l].getAttribute("counter");
  91
  92                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
  93                         var feedu = f_document.getElementById("FEEDU-" + id);
  94                         var feedr = f_document.getElementById("FEEDR-" + id);
  95
  96                         if (feedctr && feedu && feedr) {
  97
  98                                 feedu.innerHTML = ctr;
  99
 100                                 if (ctr > 0) {
 101                                         feedctr.className = "odd";
 102                                         if (!feedr.className.match("Unread")) {
 103                                                 feedr.className = feedr.className + "Unread";
 104                                         }
 105                                 } else {
 106                                         feedctr.className = "invisible";
 107                                         feedr.className = feedr.className.replace("Unread", "");
 108                                 }
 109                         }
 110                 }
 111         }
 112 }
 113
 114 function updateFeed(feed_id) {
 115
 116         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 117
 118         if (xmlhttp_ready(xmlhttp)) {
 119                 xmlhttp.open("GET", query_str, true);
 120                 xmlhttp.onreadystatechange=feed_update_callback;
 121                 xmlhttp.send(null);
 122         } else {
 123                 printLockingError();
 124         }
 125
 126 }
 127
 128 function scheduleFeedUpdate(force) {
 129
 130         notify("Updating feeds in background...");
 131
 132         document.title = "Tiny Tiny RSS - Updating...";
 133
 134         var query_str = "backend.php?op=rpc&subop=";
 135
 136         if (force) {
 137                 query_str = query_str + "forceUpdateAllFeeds";
 138         } else {
 139                 query_str = query_str + "updateAllFeeds";
 140         }
 141
 142         if (xmlhttp_ready(xmlhttp)) {
 143                 xmlhttp.open("GET", query_str, true);
 144                 xmlhttp.onreadystatechange=refetch_callback;
 145                 xmlhttp.send(null);
 146         } else {
 147                 printLockingError();
 148         }
 149 }
 150
 151 function updateFeedList(silent, fetch) {
 152
 153 //      if (silent != true) {
 154 //              notify("Loading feed list...");
 155 //      }
 156
 157         var query_str = "backend.php?op=feeds";
 158
 159         if (display_tags) {
 160                 query_str = query_str + "&tags=1";
 161         }
 162
 163         if (getActiveFeedId()) {
 164                 query_str = query_str + "&actid=" + getActiveFeedId();
 165         }
 166
 167         if (fetch) query_str = query_str + "&fetch=yes";
 168
 169         var feeds_frame = document.getElementById("feeds-frame");
 170
 171         feeds_frame.src = query_str;
 172 }
 173
 174 function catchupAllFeeds() {
 175
 176         var query_str = "backend.php?op=feeds&subop=catchupAll";
 177
 178         notify("Marking all feeds as read...");
 179
 180         var feeds_frame = document.getElementById("feeds-frame");
 181
 182         feeds_frame.src = query_str;
 183
 184 }
 185
 186 function viewCurrentFeed(skip, subop) {
 187
 188         if (getActiveFeedId()) {
 189                 viewfeed(getActiveFeedId(), skip, subop);
 190         }
 191 }
 192
 193 function viewfeed(feed, skip, subop) {
 194
 195 //      notify("Loading headlines...");
 196
 197         enableHotkeys();
 198
 199         var searchbox = document.getElementById("searchbox");
 200
 201         if (searchbox) {
 202                 search_query = searchbox.value;
 203         } else {
 204                 search_query = "";
 205         }
 206
 207         var searchmodebox = document.getElementById("searchmodebox");
 208
 209         if (searchmodebox) {
 210                 search_mode = searchmodebox.value;
 211         } else {
 212                 search_mode = "";
 213         }
 214
 215         setCookie("ttrss_vf_smode", search_mode);
 216
 217         var viewbox = document.getElementById("viewbox");
 218
 219         var view_mode;
 220
 221         if (viewbox) {
 222                 view_mode = viewbox[viewbox.selectedIndex].text;
 223         } else {
 224                 view_mode = "All Posts";
 225         }
 226
 227         setCookie("ttrss_vf_vmode", view_mode);
 228
 229         var limitbox = document.getElementById("limitbox");
 230
 231         var limit;
 232
 233         if (limitbox) {
 234                 limit = limitbox[limitbox.selectedIndex].text;
 235                 setCookie("ttrss_vf_limit", limit);
 236         } else {
 237                 limit = "All";
 238         }
 239
 240         setActiveFeedId(feed);
 241
 242         var f_doc = frames["feeds-frame"].document;
 243
 244 //      f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 245
 246         if (subop == "MarkAllRead") {
 247
 248                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 249                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 250
 251                 feedctr.className = "invisible";
 252
 253                 if (feedr.className.match("Unread")) {
 254                         feedr.className = feedr.className.replace("Unread", "");
 255                 }
 256         }
 257
 258         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 259                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 260                 "&view=" + param_escape(view_mode) + "&limit=" + limit +
 261                 "&smode=" + param_escape(search_mode);
 262
 263         if (search_query != "") {
 264                 query = query + "&search=" + param_escape(search_query);
 265         }
 266
 267         var headlines_frame = parent.frames["headlines-frame"];
 268
 269         headlines_frame.location.href = query + "&addheader=true";
 270
 271         cleanSelected("feedsList");
 272         var feedr = document.getElementById("FEEDR-" + feed);
 273         if (feedr) {
 274                 feedr.className = feedr.className + "Selected";
 275         }
 276
 277         disableContainerChildren("headlinesToolbar", false, doc);
 278
 279 //      notify("");
 280
 281 }
 282
 283
 284 function timeout() {
 285         scheduleFeedUpdate(true);
 286         setTimeout("timeout()", 1800*1000);
 287 }
 288
 289 function resetSearch() {
 290         var searchbox = document.getElementById("searchbox")
 291
 292         if (searchbox.value != "" && getActiveFeedId()) {
 293                 searchbox.value = "";
 294                 viewfeed(getActiveFeedId(), 0, "");
 295         }
 296 }
 297
 298 function search() {
 299         viewCurrentFeed(0, "");
 300 }
 301
 302 function localPiggieFunction(enable) {
 303         if (enable) {
 304                 var query_str = "backend.php?op=feeds&subop=piggie";
 305
 306                 if (xmlhttp_ready(xmlhttp)) {
 307
 308                         xmlhttp.open("GET", query_str, true);
 309                         xmlhttp.onreadystatechange=feedlist_callback;
 310                         xmlhttp.send(null);
 311                 }
 312         }
 313 }
 314
 315 function localHotkeyHandler(keycode) {
 316
 317 /*      if (keycode == 78) {
 318                 return moveToPost('next');
 319         }
 320
 321         if (keycode == 80) {
 322                 return moveToPost('prev');
 323         } */
 324
 325         if (keycode == 82) {
 326                 return scheduleFeedUpdate(true);
 327         }
 328
 329         if (keycode == 85) {
 330                 return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 331         }
 332
 333 //      notify("KC: " + keycode);
 334
 335 }
 336
 337 function genericSanityCheck() {
 338
 339         if (!xmlhttp) {
 340                 document.getElementById("headlines").innerHTML =
 341                         "<b>Fatal error:</b> This program requires XmlHttpRequest " +
 342                         "to function properly. Your browser doesn't seem to support it.";
 343                 return false;
 344         }
 345
 346         setCookie("ttrss_vf_test", "TEST");
 347         if (getCookie("ttrss_vf_test") != "TEST") {
 348
 349                 document.getElementById("headlines").innerHTML =
 350                         "<b>Fatal error:</b> This program requires cookies " +
 351                         "to function properly. Your browser doesn't seem to support them.";
 352
 353                 return false;
 354         }
 355
 356         return true;
 357 }
 358
 359 function init() {
 360
 361         disableContainerChildren("headlinesToolbar", true);
 362
 363         if (!genericSanityCheck())
 364                 return;
 365
 366         setCookie("ttrss_vf_actfeed", "");
 367
 368         updateFeedList(false, false);
 369         document.onkeydown = hotkey_handler;
 370
 371         setTimeout("timeout()", 1800*1000);
 372         scheduleFeedUpdate(true);
 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 }
 391
 392