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