зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
2.7 KiB
C++
95 строки
2.7 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_ApartmentRegion_h
|
|
#define mozilla_mscom_ApartmentRegion_h
|
|
|
|
#include "mozilla/Assertions.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
#include <objbase.h>
|
|
|
|
namespace mozilla {
|
|
namespace mscom {
|
|
|
|
class MOZ_NON_TEMPORARY_CLASS ApartmentRegion final {
|
|
public:
|
|
/**
|
|
* This constructor is to be used when we want to instantiate the object but
|
|
* we do not yet know which type of apartment we want. Call Init() to
|
|
* complete initialization.
|
|
*/
|
|
constexpr ApartmentRegion() : mInitResult(CO_E_NOTINITIALIZED) {}
|
|
|
|
explicit ApartmentRegion(COINIT aAptType)
|
|
: mInitResult(::CoInitializeEx(nullptr, aAptType)) {
|
|
// If this fires then we're probably mixing apartments on the same thread
|
|
MOZ_ASSERT(IsValid());
|
|
}
|
|
|
|
~ApartmentRegion() {
|
|
if (IsValid()) {
|
|
::CoUninitialize();
|
|
}
|
|
}
|
|
|
|
explicit operator bool() const { return IsValid(); }
|
|
|
|
bool IsValidOutermost() const { return mInitResult == S_OK; }
|
|
|
|
bool IsValid() const { return SUCCEEDED(mInitResult); }
|
|
|
|
bool Init(COINIT aAptType) {
|
|
MOZ_ASSERT(mInitResult == CO_E_NOTINITIALIZED);
|
|
mInitResult = ::CoInitializeEx(nullptr, aAptType);
|
|
MOZ_ASSERT(IsValid());
|
|
return IsValid();
|
|
}
|
|
|
|
HRESULT
|
|
GetHResult() const { return mInitResult; }
|
|
|
|
private:
|
|
ApartmentRegion(const ApartmentRegion&) = delete;
|
|
ApartmentRegion& operator=(const ApartmentRegion&) = delete;
|
|
ApartmentRegion(ApartmentRegion&&) = delete;
|
|
ApartmentRegion& operator=(ApartmentRegion&&) = delete;
|
|
|
|
HRESULT mInitResult;
|
|
};
|
|
|
|
template <COINIT T>
|
|
class MOZ_NON_TEMPORARY_CLASS ApartmentRegionT final {
|
|
public:
|
|
ApartmentRegionT() : mAptRgn(T) {}
|
|
|
|
~ApartmentRegionT() = default;
|
|
|
|
explicit operator bool() const { return mAptRgn.IsValid(); }
|
|
|
|
bool IsValidOutermost() const { return mAptRgn.IsValidOutermost(); }
|
|
|
|
bool IsValid() const { return mAptRgn.IsValid(); }
|
|
|
|
HRESULT GetHResult() const { return mAptRgn.GetHResult(); }
|
|
|
|
private:
|
|
ApartmentRegionT(const ApartmentRegionT&) = delete;
|
|
ApartmentRegionT& operator=(const ApartmentRegionT&) = delete;
|
|
ApartmentRegionT(ApartmentRegionT&&) = delete;
|
|
ApartmentRegionT& operator=(ApartmentRegionT&&) = delete;
|
|
|
|
ApartmentRegion mAptRgn;
|
|
};
|
|
|
|
typedef ApartmentRegionT<COINIT_APARTMENTTHREADED> STARegion;
|
|
typedef ApartmentRegionT<COINIT_MULTITHREADED> MTARegion;
|
|
|
|
} // namespace mscom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_mscom_ApartmentRegion_h
|