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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef DEVICE_CORE_DEVICE_INFO_QUERY_WIN_H_
#define DEVICE_CORE_DEVICE_INFO_QUERY_WIN_H_
#include <windows.h>
#include <setupapi.h>
#include <string>
#include "base/macros.h"
#include "device/core/device_core_export.h"
namespace device {
// Wraps HDEVINFO and SP_DEVINFO_DATA into a class that can automatically
// release them. Provides interfaces that can add a device using its
// device path, get device info and get device string property.
class DEVICE_CORE_EXPORT DeviceInfoQueryWin {
public:
DeviceInfoQueryWin();
~DeviceInfoQueryWin();
// Add a device to |device_info_list_| using its |device_path| so that
// its device info can be retrieved.
bool AddDevice(const char* device_path);
// Get the device info and store it into |device_info_data_|, this function
// should be called at most once.
bool GetDeviceInfo();
// Get device string property and store it into |property_buffer|.
bool GetDeviceStringProperty(DWORD property, std::string* property_buffer);
bool device_info_list_valid() {
return device_info_list_ != INVALID_HANDLE_VALUE;
}
private:
HDEVINFO device_info_list_ = INVALID_HANDLE_VALUE;
// When device_info_data_.cbSize != 0, |device_info_data_| is valid.
SP_DEVINFO_DATA device_info_data_;
DISALLOW_COPY_AND_ASSIGN(DeviceInfoQueryWin);
};
} // namespace device
#endif // DEVICE_CORE_DEVICE_INFO_QUERY_WIN_H_
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