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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
#include "mozilla/mscom/AgileReference.h"
#include <utility>
#include "mozilla/Assertions.h"
#include "mozilla/mscom/Utils.h"
#if defined(__MINGW32__)
// Declarations from Windows SDK specific to Windows 8.1
enum AgileReferenceOptions {
AGILEREFERENCE_DEFAULT = 0,
AGILEREFERENCE_DELAYEDMARSHAL = 1,
};
HRESULT WINAPI RoGetAgileReference(AgileReferenceOptions options, REFIID riid,
IUnknown* pUnk,
IAgileReference** ppAgileReference);
// Unfortunately, at time of writing, MinGW doesn't know how to statically link
// to RoGetAgileReference. On these builds only, we substitute a runtime-linked
// function pointer.
# include "mozilla/DynamicallyLinkedFunctionPtr.h"
static const mozilla::StaticDynamicallyLinkedFunctionPtr<
decltype(&::RoGetAgileReference)>
pRoGetAgileReference(L"ole32.dll", "RoGetAgileReference");
# define RoGetAgileReference pRoGetAgileReference
#endif // defined(__MINGW32__)
namespace mozilla::mscom::detail {
HRESULT AgileReference_CreateImpl(RefPtr<IAgileReference>& aRefPtr, REFIID riid,
IUnknown* aObject) {
MOZ_ASSERT(aObject);
MOZ_ASSERT(IsCOMInitializedOnCurrentThread());
return ::RoGetAgileReference(AGILEREFERENCE_DEFAULT, riid, aObject,
getter_AddRefs(aRefPtr));
}
HRESULT AgileReference_ResolveImpl(RefPtr<IAgileReference> const& aRefPtr,
REFIID riid, void** aOutInterface) {
MOZ_ASSERT(aRefPtr);
MOZ_ASSERT(aOutInterface);
MOZ_ASSERT(IsCOMInitializedOnCurrentThread());
if (!aRefPtr || !aOutInterface) {
return E_INVALIDARG;
}
*aOutInterface = nullptr;
return aRefPtr->Resolve(riid, aOutInterface);
}
} // namespace mozilla::mscom::detail