gecko-dev/xpcom/glue/nsGenericFactory.h

61 строка
2.0 KiB
C
Исходник Обычный вид История

1999-02-25 07:41:02 +03:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsGenericFactory_h___
#define nsGenericFactory_h___
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#include "nsIGenericFactory.h"
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/**
* Most factories follow this simple pattern, so why not just use a function pointer
* for most creation operations?
*/
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class nsGenericFactory : public nsIGenericFactory {
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public:
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static const nsCID& CID() { static nsCID cid = NS_GENERICFACTORY_CID; return cid; }
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nsGenericFactory(ConstructorProcPtr constructor = NULL);
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virtual ~nsGenericFactory();
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NS_DECL_ISUPPORTS
NS_IMETHOD CreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
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/**
* Establishes the generic factory's constructor function, which will be called
* by CreateInstance.
*/
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NS_IMETHOD SetConstructor(ConstructorProcPtr constructor);
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/**
* Establishes the generic factory's destructor function, which will be called
* whe the generic factory is deleted. This is used to notify the DLL that
* an instance of one of its generic factories is going away.
*/
NS_IMETHOD SetDestructor(DestructorProcPtr destructor);
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static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
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private:
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ConstructorProcPtr mConstructor;
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DestructorProcPtr mDestructor;
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};
#endif /* nsGenericFactory_h___ */