define(["browser","appSettings","events"],function(browser,appSettings,events){"use strict";function setLayout(instance,layout,selectedLayout){layout===selectedLayout?(instance[layout]=!0,document.documentElement.classList.add("layout-"+layout)):(instance[layout]=!1,document.documentElement.classList.remove("layout-"+layout))}function LayoutManager(){}return LayoutManager.prototype.setLayout=function(layout,save){layout&&"auto"!==layout?(setLayout(this,"mobile",layout),setLayout(this,"tv",layout),setLayout(this,"desktop",layout),!1!==save&&appSettings.set("layout",layout)):(this.autoLayout(),!1!==save&&appSettings.set("layout","")),events.trigger(this,"modechange")},LayoutManager.prototype.getSavedLayout=function(layout){return appSettings.get("layout")},LayoutManager.prototype.autoLayout=function(){browser.mobile?this.setLayout("mobile",!1):browser.tv||browser.xboxOne||browser.ps4?this.setLayout("tv",!1):this.setLayout(this.defaultLayout||"tv",!1)},LayoutManager.prototype.init=function(){var saved=this.getSavedLayout();saved?this.setLayout(saved,!1):this.autoLayout()},new LayoutManager});