//
// File: 				factory.h
// Date:				7/19/97
// Copyright			07/19/1997 Qualcomm Inc.  All Rights Reserved.
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// Version:  			1.0 
// Description:		    Generic class factory
//
#ifndef __FACTORY_H__
#define __FACTORY_H__


class CFactoryData;

// Global data used by CFactory
extern CFactoryData g_FactoryDataArray[];
extern UINT         g_cFactoryDataEntries;



// Component creation function
typedef IUnknown* (*FPCREATEINSTANCE)();


// CFactoryData
//
class CFactoryData
{
    public:
	const CLSID* 		m_pCLSID;					// The class ID for the component
	FPCREATEINSTANCE 	CreateInstance;				// Pointer to the function that creates it
	const char* 		m_RegistryName;				// Name of the component to register in the registry
	const char* 		m_szProgID;					// ProgID
	const char* 		m_szVerIndProgID;			// Version-independent ProgID
	const char*			m_szExtraInfo;				// Extra key for CLSID storage
													//
	BOOL IsClassID( const CLSID& clsid ) const	    // Helper function for finding the class ID
	{    return( *m_pCLSID == clsid ); }
};


// Generic class factory class
//
class CFactory : public IClassFactory
{
    public:
	// IUnknown
	virtual HRESULT	__stdcall QueryInterface( REFIID iid, LPVOID* ppv );
	virtual ULONG	__stdcall AddRef();
	virtual ULONG	__stdcall Release();

	// IClassFactory
	virtual HRESULT __stdcall CreateInstance( IUnknown* pUnknownOuter, REFIID iid, LPVOID* ppv );
	virtual HRESULT __stdcall LockServer( BOOL bLock );

    CFactory( const CFactoryData* pFactoryData );
	~CFactory() {}

	static BOOL 			  IsLocked() { return( s_cServerLocks > 0 ); }
    static HRESULT 			  GetClassObject( const CLSID& clsid, const IID& iid, LPVOID* ppv );
	static HRESULT 			  RegisterAll();
	static HRESULT 			  UnregisterAll();
	static HRESULT 			  InstallDirCLSIDs( HKEY registryKey, LPSTR subKey );
    static HRESULT            UninstallServer(  HKEY registryKey, LPSTR subKey );

    // Data Members
	long					  m_cRef;
	static LONG				  s_cServerLocks;
	static HMODULE			  s_hModule;
	const  CFactoryData*	  m_pFactoryData;
};


#endif //__FACTORY_H__




