зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.5 KiB
C++
89 строки
2.5 KiB
C++
/* -*- 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.
|
|
*/
|
|
|
|
#include "nsGenericFactory.h"
|
|
|
|
nsGenericFactory::nsGenericFactory(ConstructorProcPtr constructor)
|
|
: mConstructor(constructor), mDestructor(NULL)
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
}
|
|
|
|
nsGenericFactory::~nsGenericFactory()
|
|
{
|
|
if (mDestructor != NULL)
|
|
(*mDestructor) ();
|
|
}
|
|
|
|
NS_METHOD nsGenericFactory::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(nsIFactory::GetIID()) ||
|
|
aIID.Equals(nsIGenericFactory::GetIID()) ||
|
|
aIID.Equals(nsISupports::GetIID())) {
|
|
*aInstancePtr = (void*) this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_IMPL_ADDREF(nsGenericFactory)
|
|
NS_IMPL_RELEASE(nsGenericFactory)
|
|
|
|
NS_IMETHODIMP nsGenericFactory::CreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult)
|
|
{
|
|
return mConstructor(aOuter, aIID, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP nsGenericFactory::LockFactory(PRBool aLock)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsGenericFactory::SetConstructor(ConstructorProcPtr constructor)
|
|
{
|
|
mConstructor = constructor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsGenericFactory::SetDestructor(DestructorProcPtr destructor)
|
|
{
|
|
mDestructor = destructor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD nsGenericFactory::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
|
|
{
|
|
// sorry, aggregation not spoken here.
|
|
nsresult res = NS_ERROR_NO_AGGREGATION;
|
|
if (outer == NULL) {
|
|
nsGenericFactory* factory = new nsGenericFactory;
|
|
if (factory != NULL) {
|
|
res = factory->QueryInterface(aIID, aInstancePtr);
|
|
if (res != NS_OK)
|
|
delete factory;
|
|
} else {
|
|
res = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
return res;
|
|
}
|