define([ '/common/visible.js', '/common/notify.js' ], function (Visible, Notify) { var Notifier = {}; var notify = {}; Notifier.unnotify = function () { if (notify.tabNotification && typeof(notify.tabNotification.cancel) === 'function') { notify.tabNotification.cancel(); } }; Notifier.notify = function () { if (Visible.isSupported() && !Visible.currently()) { Notifier.unnotify(); notify.tabNotification = Notify.tab(1000, 10); } }; if (Visible.isSupported()) { Visible.onChange(function (yes) { if (yes) { Notifier.unnotify(); } }); } return Notifier; });