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gaia/apps/system/js/sim_settings_helper.js

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+/* exported SimSettingsHelper */
+/* global SIMSlotManager, SettingsListener */
+'use strict';
+
+(function(exports) {
+  // we have to make sure we are in DSDS
+  if (!SIMSlotManager.isMultiSIM()) {
+    return;
+  }
+
+  var SimSettingsHelper = {
+    start: function ssh_init() {
+      if (SIMSlotManager.ready) {
+        this.simslotUpdatedHandler();
+      } else {
+        window.addEventListener('simslotready', this);
+      }
+    },
+    handleEvent: function ssh_handleEvent(evt) {
+      switch (evt.type) {
+        case 'simslotready':
+          this.simslotUpdatedHandler();
+        break;
+      }
+    },
+    overrideUserSimSettings: function() {
+      var availableSIMIndex = SIMSlotManager.isSIMCardAbsent(0) ? 1 : 0;
+      this.setServiceOnCard('outgoingCall', availableSIMIndex);
+      this.setServiceOnCard('outgoingMessages', availableSIMIndex);
+      this.setServiceOnCard('outgoingData', availableSIMIndex);
+    },
+    simslotUpdatedHandler: function() {
+      if (SIMSlotManager.hasOnlyOneSIMCardDetected()) {
+        this.overrideUserSimSettings();
+      }
+    },
+    setServiceOnCard: function ssh_setServiceOnCard(serviceName, cardIndex) {
+      var mozKeys = [];
+
+      switch (serviceName) {
+        case 'outgoingCall':
+          mozKeys.push('ril.telephony.defaultServiceId');
+          mozKeys.push('ril.voicemail.defaultServiceId');
+          break;
+
+        case 'outgoingMessages':
+          mozKeys.push('ril.sms.defaultServiceId');
+          break;
+
+        case 'outgoingData':
+          mozKeys.push('ril.mms.defaultServiceId');
+          mozKeys.push('ril.data.defaultServiceId');
+          break;
+      }
+
+      mozKeys.forEach(function(eachKey) {
+        var setObj = {};
+        setObj[eachKey] = cardIndex;
+        SettingsListener.getSettingsLock().set(setObj);
+      });
+    }
+  };
+  exports.SimSettingsHelper = SimSettingsHelper;
+})(window);