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
15namespace device {
16
17// static
18scoped_ptr<SerialDeviceEnumerator> SerialDeviceEnumerator::Create() {
19  return scoped_ptr<SerialDeviceEnumerator>(new SerialDeviceEnumeratorWin());
20}
21
22SerialDeviceEnumeratorWin::SerialDeviceEnumeratorWin() {}
23
24SerialDeviceEnumeratorWin::~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.
29mojo::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