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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "device/serial/serial_device_enumerator_win.h"
      6 
      7 #include <windows.h>
      8 
      9 #include "base/memory/scoped_ptr.h"
     10 #include "base/strings/string_util.h"
     11 #include "base/strings/stringprintf.h"
     12 #include "base/strings/utf_string_conversions.h"
     13 #include "base/win/registry.h"
     14 
     15 namespace device {
     16 
     17 // static
     18 scoped_ptr<SerialDeviceEnumerator> SerialDeviceEnumerator::Create() {
     19   return scoped_ptr<SerialDeviceEnumerator>(new SerialDeviceEnumeratorWin());
     20 }
     21 
     22 SerialDeviceEnumeratorWin::SerialDeviceEnumeratorWin() {}
     23 
     24 SerialDeviceEnumeratorWin::~SerialDeviceEnumeratorWin() {}
     25 
     26 // TODO(rockot): Query the system for more information than just device paths.
     27 // This may or may not require using a different strategy than scanning the
     28 // registry location below.
     29 mojo::Array<serial::DeviceInfoPtr> SerialDeviceEnumeratorWin::GetDevices() {
     30   base::win::RegistryValueIterator iter_key(
     31       HKEY_LOCAL_MACHINE, L"HARDWARE\\DEVICEMAP\\SERIALCOMM\\");
     32   mojo::Array<serial::DeviceInfoPtr> devices(0);
     33   for (; iter_key.Valid(); ++iter_key) {
     34     serial::DeviceInfoPtr info(serial::DeviceInfo::New());
     35     info->path = base::UTF16ToASCII(iter_key.Value());
     36     devices.push_back(info.Pass());
     37   }
     38   return devices.Pass();
     39 }
     40 
     41 }  // namespace device
     42