зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.7 KiB
C++
66 строки
1.7 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_ProxyStream_h
|
|
#define mozilla_mscom_ProxyStream_h
|
|
|
|
#include "ipc/IPCMessageUtils.h"
|
|
|
|
#include "mozilla/mscom/Ptr.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
|
|
namespace mozilla {
|
|
namespace mscom {
|
|
|
|
class ProxyStream final
|
|
{
|
|
public:
|
|
ProxyStream();
|
|
ProxyStream(REFIID aIID, IUnknown* aObject);
|
|
ProxyStream(REFIID aIID, const BYTE* aInitBuf, const int aInitBufSize);
|
|
|
|
~ProxyStream();
|
|
|
|
// Not copyable because this would mess up the COM marshaling.
|
|
ProxyStream(const ProxyStream& aOther) = delete;
|
|
ProxyStream& operator=(const ProxyStream& aOther) = delete;
|
|
|
|
ProxyStream(ProxyStream&& aOther);
|
|
ProxyStream& operator=(ProxyStream&& aOther);
|
|
|
|
inline bool IsValid() const
|
|
{
|
|
return !(mStream && mUnmarshaledProxy);
|
|
}
|
|
|
|
bool GetInterface(void** aOutInterface);
|
|
const BYTE* GetBuffer(int& aReturnedBufSize) const;
|
|
RefPtr<IStream> GetStream() const;
|
|
|
|
bool operator==(const ProxyStream& aOther) const
|
|
{
|
|
return this == &aOther;
|
|
}
|
|
|
|
private:
|
|
static already_AddRefed<IStream> InitStream(const BYTE* aInitBuf,
|
|
const UINT aInitBufSize);
|
|
|
|
private:
|
|
RefPtr<IStream> mStream;
|
|
BYTE* mGlobalLockedBuf;
|
|
HGLOBAL mHGlobal;
|
|
int mBufSize;
|
|
ProxyUniquePtr<IUnknown> mUnmarshaledProxy;
|
|
HRESULT mUnmarshalResult;
|
|
};
|
|
|
|
} // namespace mscom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_mscom_ProxyStream_h
|