ANIMAL.H

/* 
 * ANIMAL.H 
 * 
 * Definition of the aggregatable CAnimal object. 
 * Included only from ANIMAL.CPP. 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _ANIMAL_H_ 
#define _ANIMAL_H_ 
 
 
class CImpIAnimal_A; 
typedef CImpIAnimal_A *PCImpIAnimal_A; 
 
class CAnimal : public IUnknown 
    { 
    friend CImpIAnimal_A; 
 
    private: 
        DWORD           m_cRef;         //Object reference count 
        IUnknown       *m_pUnkOuter;    //Outer unknown, no AddRef 
 
        PCImpIAnimal_A  m_pImpIAnimal;  //Interface implementation 
 
    public: 
        CAnimal(IUnknown *); 
        ~CAnimal(void); 
 
        BOOL Init(void); 
 
        //IUnknown members, non-delegating 
        STDMETHODIMP         QueryInterface(REFIID, PPVOID); 
        STDMETHODIMP_(DWORD) AddRef(void); 
        STDMETHODIMP_(DWORD) Release(void); 
    }; 
 
 
typedef CAnimal *PCAnimal; 
 
 
class CImpIAnimal_A : public IAnimal 
    { 
    private: 
        DWORD       m_cRef;         //For debugging 
        PCAnimal    m_pObj;         //Back pointer 
        IUnknown   *m_pUnkOuter;    //Outer unknown, for delegation 
 
    public: 
        CImpIAnimal_A(PCAnimal, IUnknown *); 
        ~CImpIAnimal_A(void); 
 
        //IUnknown members 
        STDMETHODIMP         QueryInterface(REFIID, PPVOID); 
        STDMETHODIMP_(DWORD) AddRef(void); 
        STDMETHODIMP_(DWORD) Release(void); 
 
        //IAnimal members 
        STDMETHODIMP Eat(void); 
        STDMETHODIMP Sleep(void); 
        STDMETHODIMP Procreate(void); 
    }; 
 
 
#endif _ANIMAL_H_