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gaia/apps/settings/js/telephony_settings.js

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+/* global DsdsSettings, TelephonyItemsHandler, AirplaneModeHelper */
+'use strict';
+
+/**
+ * Singleton object (base object) that handle listener and events on mozIcc
+ * objects in order to handle telephony-related menu items in the root panel.
+ */
+window.TelephonySettingHelper = (function() {
+  var _iccManager;
+  var _mobileConnections;
+
+  var _iccId;
+
+  /**
+   * Init function.
+   */
+  function tsh_init() {
+    return new Promise(function(resolve, reject) {
+      _iccManager = window.navigator.mozIccManager;
+      _mobileConnections = window.navigator.mozMobileConnections;
+
+      if (!_mobileConnections || !_iccManager) {
+        return resolve();
+      }
+
+      var idleObserver = {
+        time: 3,
+        onidle: function() {
+          navigator.removeIdleObserver(idleObserver);
+
+          DsdsSettings.init();
+
+          TelephonyItemsHandler.init();
+          TelephonyItemsHandler.handleItems();
+
+          AirplaneModeHelper.addEventListener('statechange',
+            TelephonyItemsHandler.handleItems);
+
+          tsh_addListeners();
+
+          _iccManager.addEventListener('iccdetected',
+            function iccDetectedHandler(evt) {
+              if (_mobileConnections[0].iccId &&
+                (_mobileConnections[0].iccId === evt.iccId)) {
+                TelephonyItemsHandler.handleItems();
+                tsh_addListeners();
+              }
+            });
+
+          _iccManager.addEventListener('iccundetected',
+            function iccUndetectedHandler(evt) {
+              if (_iccId === evt.iccId) {
+                _mobileConnections[0].removeEventListener('datachange',
+                  TelephonyItemsHandler.handleItems);
+              }
+            });
+
+          resolve();
+        }
+      };
+      navigator.addIdleObserver(idleObserver);
+    });
+  }
+
+  /**
+   * Add listeners.
+   */
+  function tsh_addListeners() {
+    _mobileConnections[0].addEventListener('datachange',
+      TelephonyItemsHandler.handleItems);
+    _iccId = _mobileConnections[0].iccId;
+
+    var iccCard = _iccManager.getIccById(_iccId);
+    if (!iccCard) {
+      return;
+    }
+    iccCard.addEventListener('cardstatechange',
+      TelephonyItemsHandler.handleItems);
+  }
+
+  // Public API.
+  return {
+    init: tsh_init
+  };
+})();