147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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iconnpt.h
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Abstract:
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Header file for connection points.
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--*/
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#ifndef _ICONNPT_H_
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#define _ICONNPT_H_
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// Event types
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// These values match the ID's in smonctrl.odl
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enum {
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eEventOnCounterSelected=1,
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eEventOnCounterAdded=2,
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eEventOnCounterDeleted=3,
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eEventOnSampleCollected=4,
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eEventOnDblClick=5
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};
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// Connection Point Types
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enum {
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eConnectionPointDirect=0,
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eConnectionPointDispatch=1
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};
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#define CONNECTION_POINT_CNT 2
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// Connection Point Class
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class CImpIConnectionPoint : public IConnectionPoint {
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public:
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CImpIConnectionPoint(void);
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~CImpIConnectionPoint(void);
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//IUnknown members
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STDMETHODIMP QueryInterface(REFIID, LPVOID *);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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//IConnectionPoint members
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STDMETHODIMP GetConnectionInterface(IID *);
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STDMETHODIMP GetConnectionPointContainer (IConnectionPointContainer **);
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STDMETHODIMP Advise(LPUNKNOWN, DWORD *);
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STDMETHODIMP Unadvise(DWORD);
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STDMETHODIMP EnumConnections(IEnumConnections **);
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//Members not exposed by IConnectionPoint
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void Init(PCPolyline pObj, LPUNKNOWN PUnkOuter, INT iConnPtType);
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void SendEvent(UINT uEventType, DWORD dwParam); // Send event to sink
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private:
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enum IConnPtConstant {
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eAdviseKey = 1234,
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eEventSinkWaitInterval = 2000
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};
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DWORD InitEventSinkLock ( void );
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void DeinitEventSinkLock ( void );
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BOOL EnterSendEvent ( void );
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void ExitSendEvent ( void );
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void EnterUnadvise ( void );
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void ExitUnadvise ( void );
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ULONG m_cRef; //Object reference count
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LPUNKNOWN m_pUnkOuter; //Controlling unknown
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PCPolyline m_pObj; //Containing object
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INT m_iConnPtType; // Direct or dispatch connection
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HANDLE m_hEventEventSink;
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LONG m_lUnadviseRefCount;
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LONG m_lSendEventRefCount;
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union {
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IDispatch *pIDispatch; // Outgoing interface
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ISystemMonitorEvents *pIDirect;
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} m_Connection;
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};
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typedef CImpIConnectionPoint *PCImpIConnectionPoint;
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// Connection Point Container Class
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class CImpIConnPtCont : public IConnectionPointContainer
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{
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public:
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CImpIConnPtCont(PCPolyline, LPUNKNOWN);
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~CImpIConnPtCont(void);
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//IUnknown members
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STDMETHODIMP QueryInterface(REFIID, PPVOID);
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STDMETHODIMP_(DWORD) AddRef(void);
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STDMETHODIMP_(DWORD) Release(void);
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//IConnectionPointContainer members
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STDMETHODIMP EnumConnectionPoints(IEnumConnectionPoints **);
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STDMETHODIMP FindConnectionPoint(REFIID, IConnectionPoint **);
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private:
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ULONG m_cRef; //Interface ref count
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PCPolyline m_pObj; //Back pointer to object
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LPUNKNOWN m_pUnkOuter; //Controlling unknown
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};
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typedef CImpIConnPtCont *PCImpIConnPtCont;
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// Connection Point Enumerator Class
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class CImpIEnumConnPt : public IEnumConnectionPoints
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{
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protected:
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CImpIConnPtCont *m_pConnPtCont;
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DWORD m_cRef;
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ULONG m_cItems;
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ULONG m_uCurrent;
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const IID **m_apIID;
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public:
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CImpIEnumConnPt (CImpIConnPtCont *pConnPtCont, const IID **apIID, ULONG cItems);
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// IUnknown methods
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID *ppvObj);
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STDMETHOD_(ULONG, AddRef) ();
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STDMETHOD_(ULONG, Release) ();
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// Enum methods
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STDMETHOD(Next) (ULONG cItems, IConnectionPoint **apConnPt, ULONG *pcReturned);
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STDMETHOD(Skip) (ULONG cSkip);
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STDMETHOD(Reset) (VOID);
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STDMETHOD(Clone) (IEnumConnectionPoints **pIEnum);
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};
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#endif //_ICONNPT_H_
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