/**
* Load the list of drivers.
*
* @return array
*/
public static function getDrivers()
{
if (isset(self::$_driverlist)) {
return self::$_driverlist;
}
$fi = new FilesystemIterator(__DIR__ . '/Autoconfig/Driver');
$class_prefix = __CLASS__ . '_Driver_';
$drivers = array();
foreach ($fi as $val) {
if ($val->isFile()) {
$cname = $class_prefix . $val->getBasename('.php');
if (class_exists($cname)) {
$ob = new $cname();
if ($ob instanceof Horde_Mail_Autoconfig_Driver) {
$drivers[$ob->priority][] = $ob;
}
}
}
}
ksort($drivers, SORT_NUMERIC);
$flatten = array();
array_walk_recursive($drivers, function ($a) use(&$flatten) {
$flatten[] = $a;
});
self::$_driverlist = $flatten;
return $flatten;
}
/**
* Return the mail autoconfig instance.
*
* @return Horde_Mail_Autoconfig The singleton instance.
*/
public function create(Horde_Injector $injector)
{
/* Need to manually set the drivers, since we should be using Horde
* objects for Http_Client and Net_DNS2_Resolver. The return from
* getDrivers() is already in priority order, so we don't need to
* worry about that. */
$drivers = array();
foreach (Horde_Mail_Autoconfig::getDrivers() as $val) {
$val = clone $val;
if ($val instanceof Horde_Mail_Autoconfig_Driver_Guess || $val instanceof Horde_Mail_Autoconfig_Driver_Srv) {
$val->dns = $injector->getInstance('Net_DNS2_Resolver');
} elseif ($val instanceof Horde_Mail_Autoconfig_Driver_Thunderbird) {
$val->http = $injector->getInstance('Horde_Http_Client');
}
$drivers[] = $val;
}
return new Horde_Mail_Autoconfig(array('drivers' => $drivers));
}
