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gaia/tv_apps/remote-control-client/js/main.js

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+'use strict';
+
+(function(exports) {
+  var DEBUG = false;
+
+  // Polyfill for Safari
+  if (!navigator.languages) {
+    var language = navigator.language.split('-', 2);
+    if (language[1].length == 2) {
+      language = language[0].toLowerCase() + '-' + language[1].toUpperCase();
+    } else {
+      language = language[0].toLowerCase() + '-' +
+        language[1].charAt(0).toUpperCase() +
+        language[1].substring(1).toLowerCase();
+    }
+    navigator.languages = [language];
+  }
+
+  exports.ready = function(handler) {
+    var handled = false;
+    function wrapper() {
+      if (!handled) {
+        handled = true;
+        document.removeEventListener('DOMContentLoaded', wrapper);
+        document.removeEventListener('load', wrapper);
+        handler();
+      }
+    }
+    document.addEventListener('DOMContentLoaded', wrapper);
+    document.addEventListener('load', wrapper);
+  };
+
+  exports.sendMessage = function(url, data, success, error) {
+    if (typeof data !== 'object') {
+      data = {};
+    }
+
+    var param = [];
+    for (var name in data) {
+      param.push(encodeURIComponent(name) + '=' +
+        encodeURIComponent(data[name]));
+    }
+
+    var paramString = param.length ? '?' + param.join('&') : '';
+    var finalURL = encodeURI(url) + paramString;
+
+    if (DEBUG) {
+      console.log('Ajax URL: ' + finalURL);
+    }
+
+    try {
+      var xhr = new XMLHttpRequest();
+      xhr.open('GET', finalURL, true);
+      xhr.onload = function() {
+        if (xhr.status === 200) {
+          var data = xhr.responseText;
+          if (DEBUG) {
+            console.log('Ajax response: ' + data);
+          }
+          if (success) {
+            success(data ? JSON.parse(data) : undefined);
+          }
+        } else {
+          if (DEBUG) {
+            console.error('Ajax error: ' + xhr.status);
+          }
+          if (error) {
+            error(xhr.status);
+          }
+        }
+      };
+      xhr.send();
+    } catch(err) {
+      if (DEBUG) {
+        console.error('Ajax error: ' + err.name);
+      }
+      if (error) {
+        error(err.name);
+      }
+    }
+  };
+
+  exports.setCookie = function(key, value, expires, path) {
+    var cookie = [];
+    cookie.push(encodeURIComponent(String(key)) + '=' +
+      encodeURIComponent(String(value)));
+    if (typeof expires === 'number') {
+      cookie.push(new Date(Date.now() + expires * 864e+5).toUTCString());
+    }
+    if (path) {
+      cookie.push('path=' + encodeURI(path));
+    }
+    document.cookie = cookie.join('; ');
+  };
+}(window));