128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
//****************************************************************************
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//
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// Module: ULS.DLL
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// File: connpt.h
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// Content: This file contains the connection container object definition.
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// History:
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// Wed 17-Apr-1996 11:18:47 -by- Viroon Touranachun [viroont]
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//
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// Copyright (c) Microsoft Corporation 1996-1997
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//
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//****************************************************************************
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#ifndef _CONNPT_H_
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#define _CONNPT_H_
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//****************************************************************************
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// CEnumConnectionPoints definition
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//****************************************************************************
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//
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class CEnumConnectionPoints : public IEnumConnectionPoints
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{
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private:
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ULONG cRef;
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ULONG iIndex;
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IConnectionPoint *pcnp;
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public:
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// Constructor and Initialization
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CEnumConnectionPoints (void);
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~CEnumConnectionPoints (void);
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STDMETHODIMP Init (IConnectionPoint *pcnpInit);
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// IUnknown
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STDMETHODIMP QueryInterface (REFIID iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef (void);
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STDMETHODIMP_(ULONG) Release (void);
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// IEnumConnectionPoints
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STDMETHODIMP Next(ULONG cConnections, IConnectionPoint **rgpcn,
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ULONG *pcFetched);
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STDMETHODIMP Skip(ULONG cConnections);
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumConnectionPoints **ppEnum);
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};
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//****************************************************************************
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// CConnectionPoint definition
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//****************************************************************************
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//
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typedef struct tagSinkNode
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{
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struct tagSinkNode *pNext;
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IUnknown *pUnk;
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ULONG uFlags;
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DWORD dwCookie;
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} SINKNODE, *PSINKNODE;
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typedef HRESULT (*CONN_NOTIFYPROC)(IUnknown *pUnk, void *);
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#define COOKIE_INIT_VALUE 1
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#define SN_LOCKED 0x00000001
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#define SN_REMOVED 0x00000002
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class CConnectionPoint : public IConnectionPoint
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{
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private:
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ULONG cRef;
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IID riid;
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IConnectionPointContainer *pCPC;
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DWORD dwNextCookie;
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ULONG cSinkNodes;
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PSINKNODE pSinkList;
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public:
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// Constructor and destructor
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CConnectionPoint (const IID *pIID, IConnectionPointContainer *pCPCInit);
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~CConnectionPoint (void);
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// Class public functions
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void ContainerReleased() {pCPC = NULL; return;}
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STDMETHODIMP Notify (void *pv, CONN_NOTIFYPROC pfn);
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// IUnknown
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STDMETHODIMP QueryInterface (REFIID iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef (void);
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STDMETHODIMP_(ULONG) Release (void);
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// IConnectionPoint
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STDMETHODIMP GetConnectionInterface(IID *pIID);
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STDMETHODIMP GetConnectionPointContainer(IConnectionPointContainer **ppCPC);
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STDMETHODIMP Advise(IUnknown *pUnk, DWORD *pdwCookie);
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STDMETHODIMP Unadvise(DWORD dwCookie);
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STDMETHODIMP EnumConnections(IEnumConnections **ppEnum);
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};
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//****************************************************************************
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// CEnumConnections definition
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//****************************************************************************
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//
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class CEnumConnections : public IEnumConnections
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{
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private:
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ULONG cRef;
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ULONG iIndex;
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ULONG cConnections;
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CONNECTDATA *pConnectData;
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public:
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// Constructor and Initialization
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CEnumConnections (void);
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~CEnumConnections (void);
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STDMETHODIMP Init(PSINKNODE pSinkList, ULONG cSinkNodes);
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// IUnknown
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STDMETHODIMP QueryInterface (REFIID iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef (void);
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STDMETHODIMP_(ULONG) Release (void);
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// IEnumConnections
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STDMETHODIMP Next(ULONG cConnections, CONNECTDATA *rgpcn,
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ULONG *pcFetched);
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STDMETHODIMP Skip(ULONG cConnections);
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumConnections **ppEnum);
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};
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#endif //_CONNPT_H_
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