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 var xmlhttp_rpc = false;
   8 var xmlhttp_view = false;
   9
  10 var total_unread = 0;
  11 var first_run = true;
  12
  13 var active_feed_id = false;
  14
  15 var search_query = "";
  16
  17 /*@cc_on @*/
  18 /*@if (@_jscript_version >= 5)
  19 // JScript gives us Conditional compilation, we can cope with old IE versions.
  20 // and security blocked creation of the objects.
  21 try {
  22         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  23 } catch (e) {
  24         try {
  25                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  26                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  27                 xmlhttp_view = new ActiveXObject("Microsoft.XMLHTTP");
  28         } catch (E) {
  29                 xmlhttp = false;
  30                 xmlhttp_rpc = false;
  31                 xmlhttp_view = false;
  32         }
  33 }
  34 @end @*/
  35
  36 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  37         xmlhttp = new XMLHttpRequest();
  38         xmlhttp_rpc = new XMLHttpRequest();
  39         xmlhttp_view = new XMLHttpRequest();
  40 }
  41
  42 /*
  43 function feedlist_callback() {
  44         var container = document.getElementById('feeds');
  45         if (xmlhttp.readyState == 4) {
  46                 container.innerHTML=xmlhttp.responseText;
  47
  48                 if (first_run) {
  49                         scheduleFeedUpdate(false);
  50                         if (getCookie("ttrss_vf_actfeed")) {
  51                                 viewfeed(getCookie("ttrss_vf_actfeed"), 0, "");
  52                         }
  53                         first_run = false;
  54                 } else {
  55                         notify("");
  56                 }
  57         }
  58 }
  59 */
  60
  61 function checkActiveFeedId() {
  62
  63         var actfeedid = frames["feeds-frame"].document.getElementById("ACTFEEDID");
  64
  65         if (actfeedid) {
  66                 active_feed_id = actfeedid.innerHTML;
  67         }
  68 }
  69
  70 function refetch_callback() {
  71
  72         if (xmlhttp_rpc.readyState == 4) {
  73
  74                 document.title = "Tiny Tiny RSS";
  75                 notify("All feeds updated.");
  76
  77                 updateFeedList();
  78
  79         }
  80 }
  81
  82
  83 function updateFeed(feed_id) {
  84
  85         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
  86
  87         if (xmlhttp_ready(xmlhttp_rpc)) {
  88                 xmlhttp_rpc.open("GET", query_str, true);
  89                 xmlhttp_rpc.onreadystatechange=feed_update_callback;
  90                 xmlhttp_rpc.send(null);
  91         } else {
  92                 printLockingError();
  93         }
  94
  95 }
  96
  97 function scheduleFeedUpdate(force) {
  98
  99         notify("Updating feeds in background...");
 100
 101         document.title = "Tiny Tiny RSS - Updating...";
 102
 103         var query_str = "backend.php?op=rpc&subop=";
 104
 105         if (force) {
 106                 query_str = query_str + "forceUpdateAllFeeds";
 107         } else {
 108                 query_str = query_str + "updateAllFeeds";
 109         }
 110
 111         if (xmlhttp_ready(xmlhttp_rpc)) {
 112                 xmlhttp_rpc.open("GET", query_str, true);
 113                 xmlhttp_rpc.onreadystatechange=refetch_callback;
 114                 xmlhttp_rpc.send(null);
 115         } else {
 116                 printLockingError();
 117         }
 118 }
 119
 120 function updateFeedList(silent, fetch) {
 121
 122 //      if (silent != true) {
 123 //              notify("Loading feed list...");
 124 //      }
 125
 126         var query_str = "backend.php?op=feeds";
 127
 128         if (active_feed_id) {
 129                 query_str = query_str + "&actid=" + active_feed_id;
 130         }
 131
 132         if (fetch) query_str = query_str + "&fetch=yes";
 133
 134         var feeds_frame = document.getElementById("feeds-frame");
 135
 136         feeds_frame.src = query_str;
 137 }
 138
 139 function catchupAllFeeds() {
 140
 141         var query_str = "backend.php?op=feeds&subop=catchupAll";
 142
 143         notify("Marking all feeds as read...");
 144
 145         var feeds_frame = document.getElementById("feeds-frame");
 146
 147         feeds_frame.src = query_str;
 148
 149 }
 150
 151 function viewCurrentFeed(skip, subop) {
 152
 153         active_feed_id = frames["feeds-frame"].document.getElementById("ACTFEEDID").innerHTML;
 154
 155         if (active_feed_id) {
 156                 viewfeed(active_feed_id, skip, subop);
 157         }
 158 }
 159
 160 function viewfeed(feed, skip, subop) {
 161
 162 //      notify("Loading headlines...");
 163
 164         enableHotkeys();
 165
 166         var searchbox = document.getElementById("searchbox");
 167
 168         if (searchbox) {
 169                 search_query = searchbox.value;
 170         } else {
 171                 search_query = "";
 172         }
 173
 174         var viewbox = document.getElementById("viewbox");
 175
 176         var view_mode;
 177
 178         if (viewbox) {
 179                 view_mode = viewbox.value;
 180         } else {
 181                 view_mode = "All Posts";
 182         }
 183
 184         setCookie("ttrss_vf_vmode", view_mode);
 185
 186         var limitbox = document.getElementById("limitbox");
 187
 188         var limit;
 189
 190         if (limitbox) {
 191                 limit = limitbox.value;
 192                 setCookie("ttrss_vf_limit", limit);
 193         } else {
 194                 limit = "All";
 195         }
 196
 197         active_feed_id = feed;
 198
 199         var f_doc = frames["feeds-frame"].document;
 200
 201         f_doc.getElementById("ACTFEEDID").innerHTML = feed;
 202
 203         setCookie("ttrss_vf_actfeed", feed);
 204
 205         if (subop == "MarkAllRead") {
 206
 207                 var feedr = f_doc.getElementById("FEEDR-" + feed);
 208                 var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
 209
 210                 feedctr.className = "invisible";
 211
 212                 if (feedr.className.match("Unread")) {
 213                         feedr.className = feedr.className.replace("Unread", "");
 214                 }
 215         }
 216
 217         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 218                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 219                 "&view=" + param_escape(view_mode) + "&limit=" + limit;
 220
 221         if (search_query != "") {
 222                 query = query + "&search=" + param_escape(search_query);
 223         }
 224
 225         var headlines_frame = parent.frames["headlines-frame"];
 226
 227         headlines_frame.location.href = query + "&addheader=true";
 228
 229         cleanSelected("feedsList");
 230         var feedr = document.getElementById("FEEDR-" + feed);
 231         if (feedr) {
 232                 feedr.className = feedr.className + "Selected";
 233         }
 234
 235         disableContainerChildren("headlinesToolbar", false, doc);
 236
 237 //      notify("");
 238
 239 }
 240
 241
 242 function timeout() {
 243         scheduleFeedUpdate(true);
 244         setTimeout("timeout()", 1800*1000);
 245 }
 246
 247 function resetSearch() {
 248         var searchbox = document.getElementById("searchbox")
 249
 250         if (searchbox.value != "" && active_feed_id) {
 251                 searchbox.value = "";
 252                 viewfeed(active_feed_id, 0, "");
 253         }
 254 }
 255
 256 function search() {
 257         checkActiveFeedId();
 258         if (active_feed_id) {
 259                 viewfeed(active_feed_id, 0, "");
 260         } else {
 261                 notify("Please select some feed first.");
 262         }
 263 }
 264
 265 function localPiggieFunction(enable) {
 266         if (enable) {
 267                 var query_str = "backend.php?op=feeds&subop=piggie";
 268
 269                 if (xmlhttp_ready(xmlhttp)) {
 270
 271                         xmlhttp.open("GET", query_str, true);
 272                         xmlhttp.onreadystatechange=feedlist_callback;
 273                         xmlhttp.send(null);
 274                 }
 275         }
 276 }
 277
 278 function localHotkeyHandler(keycode) {
 279
 280 /*      if (keycode == 78) {
 281                 return moveToPost('next');
 282         }
 283
 284         if (keycode == 80) {
 285                 return moveToPost('prev');
 286         } */
 287
 288         if (keycode == 82) {
 289                 return scheduleFeedUpdate(true);
 290         }
 291
 292         if (keycode == 85) {
 293                 return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 294         }
 295
 296 //      notify("KC: " + keycode);
 297
 298 }
 299
 300 function init() {
 301
 302         disableContainerChildren("headlinesToolbar", true);
 303
 304         // IE kludge
 305
 306         if (xmlhttp && !xmlhttp_rpc) {
 307                 xmlhttp_rpc = xmlhttp;
 308                 xmlhttp_view = xmlhttp;
 309         }
 310
 311         if (!xmlhttp || !xmlhttp_rpc || !xmlhttp_view) {
 312                 document.getElementById("headlines").innerHTML =
 313                         "<b>Fatal error:</b> This program needs XmlHttpRequest " +
 314                         "to function properly. Your browser doesn't seem to support it.";
 315                 return;
 316         }
 317
 318         updateFeedList(false, false);
 319         document.onkeydown = hotkey_handler;
 320
 321         setTimeout("timeout()", 1800*1000);
 322         scheduleFeedUpdate(true);
 323
 324         var content = document.getElementById("content");
 325
 326         if (getCookie("ttrss_vf_vmode")) {
 327                 var viewbox = document.getElementById("viewbox");
 328                 viewbox.value = getCookie("ttrss_vf_vmode");
 329         }
 330
 331         if (getCookie("ttrss_vf_limit")) {
 332                 var limitbox = document.getElementById("limitbox");
 333                 limitbox.value = getCookie("ttrss_vf_limit");
 334         }
 335 }
 336
 337