public static function init()
{
/**
* If initialized, return initialized value without reprocessing.
*/
if (self::$_init !== null) {
return self::$_init;
}
/**
* Define name of the cookie set by asets/js/core/server.js.
*/
self::$_name = 'screen';
/**
* Contents of cookie set by asets/js/core/server.js.
*/
self::$_cookie = Cookie::get(self::$_name);
/**
* If cookie is set, extract contents and parse the JSON into a PHP
* object, then setting initialized value to true. Otherwise, set it
* false, as initialization has failed since no cookie is defined.
*/
if (isset(self::$_cookie)) {
self::$_screen = self::parse(self::$_cookie);
self::$_init = true;
} else {
self::$_init = false;
}
/**
* Return whether initialization succeeded or failed.
*/
return self::$_init;
}