104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
//+-----------------------------------------------------------------------
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//
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// TDC / STD Notifications
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// Copyright (C) Microsoft Corporation, 1996, 1997
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//
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// File: Notify.h
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//
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// Contents: Declaration of the CEventBroker class.
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// This class translates internal TDC / STD events into
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// appropriate notifications for the external world.
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//
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//------------------------------------------------------------------------
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#include "msdatsrc.h"
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template <class T> class CMyBindStatusCallback;
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class CTDCCtl;
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interface DATASRCListener : public IUnknown
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{
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STDMETHOD(datasrcChanged)(BSTR bstrQualifier, BOOL fDataAvail);
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};
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//------------------------------------------------------------------------
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//
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// CEventBroker
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//
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// This class translates internal STD / TDC events into appropriate
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// notifications for the outside world.
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//
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//------------------------------------------------------------------------
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class CEventBroker
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{
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public:
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STDMETHOD_(ULONG,AddRef) (THIS);
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STDMETHOD_(ULONG,Release) (THIS);
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// ;begin_internal
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STDMETHOD(SetDATASRCListener)(DATASRCListener *);
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// ;end_internal
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STDMETHOD(SetDataSourceListener)(DataSourceListener *);
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STDMETHOD(SetSTDEvents)(OLEDBSimpleProviderListener *);
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inline DataSourceListener *GetDataSourceListener();
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inline DATASRCListener *GetDATASRCListener();
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inline OLEDBSimpleProviderListener *GetSTDEvents();
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CEventBroker(CTDCCtl *pReadyStateControl);
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~CEventBroker();
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STDMETHOD(aboutToChangeCell)(LONG iRow, LONG iCol);
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STDMETHOD(cellChanged)(LONG iRow, LONG iCol);
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STDMETHOD(aboutToDeleteRows)(LONG iRowStart, LONG iRowCount);
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STDMETHOD(deletedRows)(LONG iRowStart, LONG iRowCount);
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STDMETHOD(aboutToInsertRows)(LONG iRowStart, LONG iRowCount);
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STDMETHOD(insertedRows)(LONG iRowStart, LONG iRowCount);
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STDMETHOD(rowsAvailable)(LONG iRowStart, LONG iRowCount);
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STDMETHOD(RowChanged)(LONG iRow);
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STDMETHOD(ColChanged)(LONG iCol);
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// ;begin_internal
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#ifdef NEVER
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STDMETHOD(DeletedCols)(LONG iColStart, LONG iColCount);
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STDMETHOD(InsertedCols)(LONG iColStart, LONG iColCount);
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#endif
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// ;end_internal
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STDMETHOD(STDLoadStarted)(CComObject<CMyBindStatusCallback<CTDCCtl> > *pBSC,
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boolean fAppending);
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STDMETHOD(STDLoadCompleted)();
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STDMETHOD(STDLoadStopped)();
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STDMETHOD(STDLoadedHeader)();
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STDMETHOD(STDDataSetChanged)();
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STDMETHOD(GetReadyState)(LONG *plReadyState);
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STDMETHOD(UpdateReadyState)(LONG lReadyState);
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CMyBindStatusCallback<CTDCCtl> *m_pBSC;
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private:
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ULONG m_cRef; // interface reference count
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DataSourceListener *m_pDataSourceListener;
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// ;begin_internal
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DATASRCListener *m_pDATASRCListener;
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// ;end_internal
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OLEDBSimpleProviderListener *m_pSTDEvents;
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LONG m_lReadyState;
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CTDCCtl *m_pReadyStateControl;
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};
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inline DataSourceListener *CEventBroker::GetDataSourceListener()
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{
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return m_pDataSourceListener;
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}
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// ;begin_internal
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inline DATASRCListener *CEventBroker::GetDATASRCListener()
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{
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return m_pDATASRCListener;
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}
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// ;end_internal
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inline OLEDBSimpleProviderListener *CEventBroker::GetSTDEvents()
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{
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return m_pSTDEvents;
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}
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