CALLNOT.H

//////////////////////////////////////////////////////////////////////////// 
// CallNotification.h : Declaration of the CCallNotification object 
// 
//////////////////////////////////////////////////////////////////////////// 
#ifndef __CALLNOTIFICATION_H__ 
#define __CALLNOTIFICATION_H__ 
 
///////////////////////////////////////////////////////////////////////////// 
// CCallNotification 
class CCallNotification : public ITCallNotification 
{ 
private: 
 
    DWORD       m_dwRefCount; 
    ITAddress * m_pAddress; 
 
public: 
 
    // CCallNotification implements ITCallNotification 
    //  Declare ITCallNotification methods here 
    HRESULT STDMETHODCALLTYPE CallEventNotification( 
        ITAddress * pAddress, 
        CALL_EVENT_TYPE type, 
        IDispatch * pEvent 
        ); 
 
 
// other COM stuff: 
public: 
 
    // constructor 
    CCallNotification(){} 
    // destructor 
    ~CCallNotification(){} 
 
    // initialization function 
    // this stuff could also be done in the 
    // constructor 
    HRESULT Initialize( ITAddress * pAddress ) 
    { 
        m_dwRefCount = 1; 
        m_pAddress = pAddress; 
        m_pAddress->AddRef(); 
 
        return S_OK; 
    } 
 
    void Shutdown() 
    { 
        if (NULL != m_pAddress) 
        { 
            m_pAddress->Release(); 
        } 
    } 
 
    // IUnknown implementation 
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void **ppvObject) 
    { 
        if (iid == IID_ITCallNotification) 
        { 
            m_dwRefCount++; 
            *ppvObject = (void *)this; 
            return S_OK; 
        } 
 
        if (iid == IID_IUnknown) 
        { 
            m_dwRefCount++;             
            *ppvObject = (void *)this; 
            return S_OK; 
        } 
 
        return S_FALSE; 
    } 
ULONG STDMETHODCALLTYPE AddRef() 
    { 
        m_dwRefCount++; 
        return m_dwRefCount; 
    } 
     
ULONG STDMETHODCALLTYPE Release() 
    { 
        ULONG l; 
         
        l  = m_dwRefCount--; 
 
        if ( 0 == m_dwRefCount) 
        { 
            delete this; 
        } 
         
        return l; 
    } 
 
 
}; 
 
#endif //__CALLNOTIFICATION_H__