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gaia/apps/clock/js/tabs.js

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+define(function(require) {
+'use strict';
+
+var AccessibilityHelper = require('shared/js/accessibility_helper');
+
+/**
+ * Abstraction for handling the Tabs links at the bottom of the UI.
+ * @param {HTMLElement} element The containing element for the Tabs UI.
+ */
+function Tabs(element) {
+  this.element = element;
+  this.links = element.querySelectorAll('a');
+  this.element.addEventListener('click', this);
+}
+
+/**
+ * Update selected attributes for the selected tab.
+ * Also emit a 'selected' event with the relevant data.
+ */
+Tabs.prototype.handleEvent = function tabsHandleEvent(event) {
+  AccessibilityHelper.setAriaSelected(event.target, this.links);
+};
+
+
+return Tabs;
+
+});