зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.5 KiB
C++
63 строки
1.5 KiB
C++
/* -*- 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_COMApartmentRegion_h
|
|
#define mozilla_mscom_COMApartmentRegion_h
|
|
|
|
#include "mozilla/Assertions.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
#include <objbase.h>
|
|
|
|
namespace mozilla {
|
|
namespace mscom {
|
|
|
|
template<COINIT T>
|
|
class MOZ_NON_TEMPORARY_CLASS COMApartmentRegion
|
|
{
|
|
public:
|
|
COMApartmentRegion()
|
|
: mInitResult(::CoInitializeEx(nullptr, T))
|
|
{
|
|
// If this fires then we're probably mixing apartments on the same thread
|
|
MOZ_ASSERT(IsValid());
|
|
}
|
|
|
|
~COMApartmentRegion()
|
|
{
|
|
if (IsValid()) {
|
|
::CoUninitialize();
|
|
}
|
|
}
|
|
|
|
bool IsValidOutermost() const
|
|
{
|
|
return mInitResult == S_OK;
|
|
}
|
|
|
|
bool IsValid() const
|
|
{
|
|
return SUCCEEDED(mInitResult);
|
|
}
|
|
|
|
private:
|
|
COMApartmentRegion(const COMApartmentRegion&) = delete;
|
|
COMApartmentRegion& operator=(const COMApartmentRegion&) = delete;
|
|
COMApartmentRegion(COMApartmentRegion&&) = delete;
|
|
COMApartmentRegion& operator=(COMApartmentRegion&&) = delete;
|
|
|
|
HRESULT mInitResult;
|
|
};
|
|
|
|
typedef COMApartmentRegion<COINIT_APARTMENTTHREADED> STARegion;
|
|
typedef COMApartmentRegion<COINIT_MULTITHREADED> MTARegion;
|
|
|
|
} // namespace mscom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_mscom_COMApartmentRegion_h
|
|
|