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