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