gecko-dev/cmd/wincom/dllcom/public/dllobj.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef __DllComClassObject_H
#define __DllComClassObject_H
// ALL COM IMPLEMENTED OBJECTS MUST DERIVE FROM THIS
// CLASS (or do what it does).
// All your COM interface exposing classes which you implement
// in your consumer DLL must derive from this class
// such that it can perform some minimal DLL maintenence
// and ensure that you do not forget to do so.
class CComClass {
private:
CRefDll m_Ref; // Ref count dll instance.
public:
CComClass(IUnknown *pAggregate = NULL);
virtual ~CComClass();
// external IUnknown implementation inside of the class.
private:
DWORD m_ulCount;
IUnknown *m_pAggregate;
public:
HRESULT ObjectQueryInterface(REFIID iid, void **ppObj, BOOL bIUnknown = FALSE);
virtual HRESULT CustomQueryInterface(REFIID iid, void **ppObj);
DWORD ObjectAddRef(BOOL bIUnknown = FALSE);
virtual DWORD CustomAddRef();
DWORD ObjectRelease(BOOL bIUnknown = FALSE);
virtual DWORD CustomRelease();
// Nested class interface implementation.
private:
class CImplUnknown : public IUnknown {
public:
CComClass *m_pObject;
STDMETHODIMP QueryInterface(REFIID iid, void **ppObj);
STDMETHODIMP_(DWORD) AddRef();
STDMETHODIMP_(DWORD) Release();
} m_IUnknown;
};
#endif // __DllComClassObject_H