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// Copyright 2025 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#ifdef _WIN32
#include <iterator>
#include <memory>
#include <optional>
#include <string>
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#include <cfgmgr32.h>
#include <devpropdef.h>
#include <setupapi.h>
#include "Common/Functional.h"
namespace Common
{
std::optional<std::wstring> GetDevNodeStringProperty(DEVINST device,
const DEVPROPKEY* requested_property);
std::optional<std::wstring> GetDeviceInterfaceStringProperty(LPCWSTR iface,
const DEVPROPKEY* requested_property);
// Allows iterating null-separated/terminated string lists returned by the Windows API.
template <typename T>
struct NullTerminatedStringList
{
class Iterator
{
friend NullTerminatedStringList;
public:
constexpr T* operator*() { return m_ptr; }
constexpr Iterator& operator++()
{
m_ptr += std::basic_string_view(m_ptr).size() + 1;
return *this;
}
constexpr Iterator operator++(int)
{
const auto result{*this};
++*this;
return result;
}
constexpr bool operator==(std::default_sentinel_t) const { return *m_ptr == T{}; }
private:
constexpr Iterator(T* ptr) : m_ptr{ptr} {}
T* m_ptr;
};
constexpr auto begin() const { return Iterator{list.get()}; }
constexpr auto end() const { return std::default_sentinel; }
std::unique_ptr<T[]> list;
};
NullTerminatedStringList<WCHAR> GetDeviceInterfaceList(LPGUID iface_class_guid, DEVINSTID device_id,
ULONG flags);
class DeviceChangeNotification
{
public:
enum class EventType : bool
{
Arrival,
Removal,
};
using CallbackType = Common::MoveOnlyFunction<void(EventType)>;
DeviceChangeNotification();
~DeviceChangeNotification();
// FYI: Currently hardcoded to a GUID_DEVINTERFACE_HID filter.
void Register(CallbackType callback);
void Unregister();
DeviceChangeNotification(const DeviceChangeNotification&) = delete;
DeviceChangeNotification(DeviceChangeNotification&&) = delete;
void operator=(const DeviceChangeNotification&) = delete;
void operator=(DeviceChangeNotification&&) = delete;
private:
CallbackType m_callback{};
HCMNOTIFICATION m_notify_handle{nullptr};
};
} // namespace Common
#endif
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