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assets/webapps/operatorvariant.gaiamobile.org/js/customizers/customizer.js

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+/* global Resources */
+/* exported Customizer */
+
+'use strict';
+// Extend this class for creating a new customizer and provide
+// a set() method. It is expected set() returns nothing and accept
+// an unique parameter which is an object of the type specified
+// in the constructor of the customizer.
+var Customizer = (function(setting, resourceType, onerror) {
+  var self = this;
+
+  this.init = function() {
+    window.addEventListener('customization', function eventHandler(event) {
+      if (event.detail.setting === setting) {
+        window.removeEventListener('customization', eventHandler);
+        var value = event.detail.value;
+        self.simPresentOnFirstBoot = event.detail.simPresentOnFirstBoot;
+        // If resourceType === 'data' the value received contains directly the
+        // value that the customizer will proccess.
+        // In other case the value will have the resource to be loaded by the
+        // customizer.
+        if (resourceType === 'data') {
+          self.set(value);
+        } else {
+          Resources.load(value, resourceType, self.set.bind(self),
+            function onerrorRetrieving(status) {
+              console.error('Customizer.js: Error retrieving the resource.');
+              onerror && onerror(status);
+            });
+        }
+      }
+    });
+  };
+});