115 lines
3 KiB
C
115 lines
3 KiB
C
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORP., 1997
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*
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* TITLE: WiaCFact.h
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*
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* VERSION: 2.0
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*
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* AUTHOR: ReedB
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*
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* DATE: 26 Dec, 1997
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*
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* DESCRIPTION:
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* Declarations and definitions for Class factory.
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*
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*******************************************************************************/
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typedef HRESULT (*FPCREATEINSTANCE)(const IID& iid, void** ppv);
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// FACTORY_DATA - Information CFactory needs to create a component
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typedef struct _FACTORY_DATA
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{
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FPCREATEINSTANCE CreateInstance; // Pointer to creating function.
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IClassFactory* pIClassFactory; // Pointer to running class factory.
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DWORD dwRegister; // ID for running object.
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const CLSID* pclsid; // The class ID for the component.
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const GUID* plibid; // Type library ID.
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// Registry strings:
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LPCTSTR szRegName; // Name of the component.
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LPCTSTR szProgID; // Program ID.
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LPCTSTR szVerIndProgID; // Version-independent program ID.
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LPCTSTR szService; // Name of service.
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LPCTSTR szModuleFileName; // Filename of module.
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} FACTORY_DATA, *PFACTORY_DATA;
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// Class Factory
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class CFactory : public IClassFactory
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{
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public:
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// IUnknown
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virtual HRESULT __stdcall QueryInterface(const IID& iid, void** ppv) ;
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virtual ULONG __stdcall AddRef() ;
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virtual ULONG __stdcall Release() ;
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// IClassFactory
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virtual HRESULT __stdcall CreateInstance(IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv) ;
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virtual HRESULT __stdcall LockServer(BOOL bLock) ;
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// Constructor - Pass pointer to data of component to create.
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CFactory(const PFACTORY_DATA pFactoryData);
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// Destructor
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~CFactory() { }
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// Static FactoryData support functions
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// Helper function for CanUnloadNow
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static BOOL IsLocked()
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{ return (s_cServerLocks > 0) ;}
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// Functions to [un]register all components
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static HRESULT RegisterUnregisterAll(
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PFACTORY_DATA pFactoryData,
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UINT uiFactoryDataCount,
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BOOLEAN bRegister,
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BOOLEAN bOutProc);
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// Function to determine if component can be unloaded
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static HRESULT CanUnloadNow() ;
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// Out-of-process server support
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static BOOL StartFactories(
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PFACTORY_DATA pFactoryData,
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UINT uiFactoryDataCount);
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static void StopFactories(
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PFACTORY_DATA pFactoryData,
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UINT uiFactoryDataCount);
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static DWORD s_dwThreadID ;
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// Shut down the application.
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static void CloseExe()
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{
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if (CanUnloadNow() == S_OK)
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{
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::PostThreadMessage(s_dwThreadID, WM_QUIT, 0, 0) ;
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}
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}
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public:
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// Reference Count
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LONG m_cRef ;
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// Pointer to information about class this factory creates
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PFACTORY_DATA m_pFactoryData;
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// Count of locks
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static LONG s_cServerLocks;
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// Module handle
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static HMODULE s_hModule;
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} ;
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