netwerk/wifi/win_wlanLibrary.h
author Bryce Van Dyk <bvandyk@mozilla.com>
Tue, 09 Apr 2019 15:07:19 +0000
changeset 526223 ecb3ee5969c19fe8c52cedb2bd0291edf11dc83c
parent 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1540136 - P4: Remove ChromiumCDMParent mMainThread as it is unused. r=cpearce a=lizzard Differential Revision: https://phabricator.services.mozilla.com/D26207

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sts=2 sw=2 et cin: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#pragma once

// Moz headers (alphabetical)

// System headers (alphabetical)
#include <windows.h>  // HINSTANCE, HANDLE
#include <wlanapi.h>  // Wlan* functions

class WinWLANLibrary {
 public:
  static WinWLANLibrary* Load();
  ~WinWLANLibrary();

  HANDLE GetWLANHandle() const;
  decltype(::WlanEnumInterfaces)* GetWlanEnumInterfacesPtr() const;
  decltype(::WlanGetNetworkBssList)* GetWlanGetNetworkBssListPtr() const;
  decltype(::WlanFreeMemory)* GetWlanFreeMemoryPtr() const;
  decltype(::WlanCloseHandle)* GetWlanCloseHandlePtr() const;
  decltype(::WlanOpenHandle)* GetWlanOpenHandlePtr() const;
  decltype(::WlanRegisterNotification)* GetWlanRegisterNotificationPtr() const;
  decltype(::WlanScan)* GetWlanScanPtr() const;

 private:
  WinWLANLibrary();
  bool Initialize();

  HMODULE mWlanLibrary;
  HANDLE mWlanHandle;
  decltype(::WlanEnumInterfaces)* mWlanEnumInterfacesPtr;
  decltype(::WlanGetNetworkBssList)* mWlanGetNetworkBssListPtr;
  decltype(::WlanFreeMemory)* mWlanFreeMemoryPtr;
  decltype(::WlanCloseHandle)* mWlanCloseHandlePtr;
  decltype(::WlanOpenHandle)* mWlanOpenHandlePtr;
  decltype(::WlanRegisterNotification)* mWlanRegisterNotificationPtr;
  decltype(::WlanScan)* mWlanScanPtr;
};

class ScopedWLANObject {
 public:
  ScopedWLANObject(WinWLANLibrary* library, void* object)
      : mLibrary(library), mObject(object) {}

  ~ScopedWLANObject() { (*(mLibrary->GetWlanFreeMemoryPtr()))(mObject); }

 private:
  WinWLANLibrary* mLibrary;
  void* mObject;
};