functions.js

   1 var hotkeys_enabled = true;
   2
   3 function disableHotkeys() {
   4         hotkeys_enabled = false;
   5 }
   6
   7 function enableHotkeys() {
   8         hotkeys_enabled = true;
   9 }
  10
  11 function xmlhttp_ready(obj) {
  12         return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
  13 }
  14
  15
  16 function notify_callback() {
  17         var container = document.getElementById('notify');
  18         if (xmlhttp.readyState == 4) {
  19                 container.innerHTML=xmlhttp.responseText;
  20         }
  21 }
  22
  23 function rpc_notify_callback() {
  24         var container = document.getElementById('notify');
  25         if (xmlhttp_rpc.readyState == 4) {
  26                 container.innerHTML=xmlhttp_rpc.responseText;
  27         }
  28 }
  29
  30 function param_escape(arg) {
  31         if (typeof encodeURIComponent != 'undefined')
  32                 return encodeURIComponent(arg);
  33         else
  34                 return escape(arg);
  35 }
  36
  37 function param_unescape(arg) {
  38         if (typeof decodeURIComponent != 'undefined')
  39                 return decodeURIComponent(arg);
  40         else
  41                 return unescape(arg);
  42 }
  43
  44 function delay(gap) {
  45         var then,now;
  46         then=new Date().getTime();
  47         now=then;
  48         while((now-then)<gap) {
  49                 now=new Date().getTime();
  50         }
  51 }
  52
  53 function p_notify(msg) {
  54
  55         var n = parent.document.getElementById("notify");
  56         var nb = parent.document.getElementById("notify_body");
  57
  58         if (!n || !nb) return;
  59
  60         nb.innerHTML = msg;
  61
  62         if (msg.length == 0) {
  63                 n.style.display = "none";
  64         } else {
  65                 n.style.display = "block";
  66         }
  67
  68 }
  69
  70 function notify(msg) {
  71
  72         var n = document.getElementById("notify");
  73         var nb = document.getElementById("notify_body");
  74
  75         if (!n || !nb) return;
  76
  77         nb.innerHTML = msg;
  78
  79         if (msg.length == 0) {
  80                 n.style.display = "none";
  81         } else {
  82                 n.style.display = "block";
  83         }
  84
  85 }
  86
  87 function printLockingError() {
  88         notify("Please wait until operation finishes");}
  89
  90 var seq = "";
  91
  92 function hotkey_handler(e) {
  93
  94         var keycode;
  95
  96         if (!hotkeys_enabled) return;
  97
  98         if (window.event) {
  99                 keycode = window.event.keyCode;
 100         } else if (e) {
 101                 keycode = e.which;
 102         }
 103
 104         if (keycode == 13 || keycode == 27) {
 105                 seq = "";
 106         } else {
 107                 seq = seq + "" + keycode;
 108         }
 109
 110         var piggie = document.getElementById("piggie");
 111
 112         if (piggie) {
 113
 114                 if (seq.match("807371717369")) {
 115                         localPiggieFunction(true);
 116                 } else {
 117                         localPiggieFunction(false);
 118                 }
 119         }
 120
 121         if (typeof localHotkeyHandler != 'undefined') {
 122                 localHotkeyHandler(keycode);
 123         }
 124
 125 }
 126
 127 function cleanSelectedList(element) {
 128         var content = document.getElementById(element);
 129
 130         for (i = 0; i < content.childNodes.length; i++) {
 131                 content.childNodes[i].className =
 132                         content.childNodes[i].className.replace("Selected", "");
 133         }
 134
 135 }
 136
 137
 138 function cleanSelected(element) {
 139         var content = document.getElementById(element);
 140
 141         for (i = 0; i < content.rows.length; i++) {
 142                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 143         }
 144
 145 }
 146
 147 function getVisibleUnreadHeadlines() {
 148         var content = document.getElementById("headlinesList");
 149
 150         var rows = new Array();
 151
 152         for (i = 0; i < content.rows.length; i++) {
 153                 var row_id = content.rows[i].id.replace("RROW-", "");
 154                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 155                                 rows.push(row_id);
 156                 }
 157         }
 158         return rows;
 159 }
 160
 161 function getVisibleHeadlineIds() {
 162
 163         var content = document.getElementById("headlinesList");
 164
 165         var rows = new Array();
 166
 167         for (i = 0; i < content.rows.length; i++) {
 168                 var row_id = content.rows[i].id.replace("RROW-", "");
 169                 if (row_id.length > 0) {
 170                                 rows.push(row_id);
 171                 }
 172         }
 173         return rows;
 174 }
 175
 176 function getFirstVisibleHeadlineId() {
 177         var rows = getVisibleHeadlineIds();
 178         return rows[0];
 179 }
 180
 181 function getLastVisibleHeadlineId() {
 182         var rows = getVisibleHeadlineIds();
 183         return rows[rows.length-1];
 184 }
 185
 186 function markHeadline(id) {
 187         var row = document.getElementById("RROW-" + id);
 188         if (row) {
 189                 row.className = row.className + "Selected";
 190         }
 191 }
 192
 193 function getFeedIds() {
 194         var content = document.getElementById("feedsList");
 195
 196         var rows = new Array();
 197
 198         for (i = 0; i < content.rows.length; i++) {
 199                 var id = content.rows[i].id.replace("FEEDR-", "");
 200                 if (id.length > 0) {
 201                         rows.push(id);
 202                 }
 203         }
 204
 205         return rows;
 206 }
 207
 208 function setCookie(name, value, expires, path, domain, secure) {
 209         document.cookie= name + "=" + escape(value) +
 210                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 211                 ((path) ? "; path=" + path : "") +
 212                 ((domain) ? "; domain=" + domain : "") +
 213                 ((secure) ? "; secure" : "");
 214 }
 215
 216 function getCookie(name) {
 217
 218         var dc = document.cookie;
 219         var prefix = name + "=";
 220         var begin = dc.indexOf("; " + prefix);
 221         if (begin == -1) {
 222             begin = dc.indexOf(prefix);
 223             if (begin != 0) return null;
 224         }
 225         else {
 226             begin += 2;
 227         }
 228         var end = document.cookie.indexOf(";", begin);
 229         if (end == -1) {
 230             end = dc.length;
 231         }
 232         return unescape(dc.substring(begin + prefix.length, end));
 233 }
 234
 235 function disableContainerChildren(id, disable, doc) {
 236
 237         if (!doc) doc = document;
 238
 239         var container = doc.getElementById(id);
 240
 241         for (var i = 0; i < container.childNodes.length; i++) {
 242                 var child = container.childNodes[i];
 243
 244                 try {
 245                         child.disabled = disable;
 246                 } catch (E) {
 247
 248                 }
 249
 250                 if (disable) {
 251                         if (child.className && child.className.match("button")) {
 252                                 child.className = "disabledButton";
 253                         }
 254                 } else {
 255                         if (child.className && child.className.match("disabledButton")) {
 256                                 child.className = "button";
 257                         }
 258                 }
 259         }
 260
 261 }
 262
 263 function gotoPreferences() {
 264         document.location.href = "prefs.php";
 265 }
 266
 267 function gotoMain() {
 268         document.location.href = "tt-rss.php";
 269 }
 270
 271 function gotoExportOpml() {
 272         document.location.href = "opml.php?op=Export";
 273 }
 274
 275 function getActiveFeedId() {
 276         return getCookie("ttrss_vf_actfeed");
 277 }
 278
 279 function setActiveFeedId(id) {
 280         return setCookie("ttrss_vf_actfeed", id);
 281 }
 282
 283 var xmlhttp_rpc = false;
 284
 285 /*@cc_on @*/
 286 /*@if (@_jscript_version >= 5)
 287 // JScript gives us Conditional compilation, we can cope with old IE versions.
 288 // and security blocked creation of the objects.
 289 try {
 290         xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
 291 } catch (e) {
 292         try {
 293                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
 294         } catch (E) {
 295                 xmlhttp_rpc = false;
 296         }
 297 }
 298 @end @*/
 299
 300 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
 301         xmlhttp_rpc = new XMLHttpRequest();
 302 }
 303
 304 function label_counters_callback() {
 305         if (xmlhttp_rpc.readyState == 4) {
 306                 var reply = xmlhttp_rpc.responseXML.firstChild;
 307
 308                 var f_document = parent.frames["feeds-frame"].document;
 309
 310                 for (var l = 0; l < reply.childNodes.length; l++) {
 311                         var id = reply.childNodes[l].getAttribute("id");
 312                         var ctr = reply.childNodes[l].getAttribute("counter");
 313
 314                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
 315                         var feedu = f_document.getElementById("FEEDU-" + id);
 316                         var feedr = f_document.getElementById("FEEDR-" + id);
 317
 318                         if (feedctr && feedu && feedr) {
 319
 320                                 feedu.innerHTML = ctr;
 321
 322                                 if (ctr > 0) {
 323                                         feedctr.className = "odd";
 324                                         if (!feedr.className.match("Unread")) {
 325                                                 feedr.className = feedr.className + "Unread";
 326                                         }
 327                                 } else {
 328                                         feedctr.className = "invisible";
 329                                         feedr.className = feedr.className.replace("Unread", "");
 330                                 }
 331                         }
 332                 }
 333         }
 334 }
 335
 336 function update_label_counters(feed) {
 337         if (xmlhttp_ready(xmlhttp_rpc)) {
 338                 var query = "backend.php?op=rpc&subop=getAllCounters";
 339
 340                 if (feed > 0) {
 341                         query = query + "&aid=" + feed;
 342                 }
 343
 344                 xmlhttp_rpc.open("GET", query, true);
 345                 xmlhttp_rpc.onreadystatechange=label_counters_callback;
 346                 xmlhttp_rpc.send(null);
 347         }
 348 }