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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_mscom_COMWrappers_h
#define mozilla_mscom_COMWrappers_h
#include <objbase.h>
#if (NTDDI_VERSION < NTDDI_WIN8)
// Win8+ API that we use very carefully
DECLARE_HANDLE(CO_MTA_USAGE_COOKIE);
HRESULT WINAPI CoIncrementMTAUsage(CO_MTA_USAGE_COOKIE* pCookie);
#endif // (NTDDI_VERSION < NTDDI_WIN8)
// A set of wrapped COM functions, so that we can dynamically link to the
// functions in combase.dll on win8+. This prevents ole32.dll and many other
// DLLs loading, which are not required when we have win32k locked down.
namespace mozilla::mscom::wrapped {
HRESULT CoInitializeEx(LPVOID pvReserved, DWORD dwCoInit);
void CoUninitialize();
HRESULT CoIncrementMTAUsage(CO_MTA_USAGE_COOKIE* pCookie);
HRESULT CoGetApartmentType(APTTYPE* pAptType, APTTYPEQUALIFIER* pAptQualifier);
HRESULT CoInitializeSecurity(PSECURITY_DESCRIPTOR pSecDesc, LONG cAuthSvc,
SOLE_AUTHENTICATION_SERVICE* asAuthSvc,
void* pReserved1, DWORD dwAuthnLevel,
DWORD dwImpLevel, void* pAuthList,
DWORD dwCapabilities, void* pReserved3);
HRESULT CoCreateInstance(REFCLSID rclsid, LPUNKNOWN pUnkOuter,
DWORD dwClsContext, REFIID riid, LPVOID* ppv);
HRESULT CoCreateGuid(GUID* pguid);
} // namespace mozilla::mscom::wrapped
#endif // mozilla_mscom_COMWrappers_h
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