define([], function () { 'use strict'; return { openUrl: function (url, target) { if (window.NativeShell) { window.NativeShell.openUrl(url, target); } else { window.open(url, target || '_blank'); } }, enableFullscreen: function () { if (window.NativeShell) { window.NativeShell.enableFullscreen(); } }, disableFullscreen: function () { if (window.NativeShell) { window.NativeShell.disableFullscreen(); } } }; });