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164 lines
4.0 KiB
C++
164 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsISupports.h"
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#include "nsIFactory.h"
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#include "nsIWalletService.h"
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//#include "nsIServiceManager.h"
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//#include "nsRepository.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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static NS_DEFINE_CID(kWalletServiceCID, NS_WALLETSERVICE_CID);
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//#if defined(HAS_C_PLUS_PLUS_CASTS)
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//#define NS_STATIC_CAST(__type, __ptr) static_cast<__type>(__ptr)
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//#else
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//#define NS_STATIC_CAST(__type, __ptr) ((__type)(__ptr))
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//#endif
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// factory functions
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nsresult NS_NewWalletService(nsIWalletService** result);
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class WalletFactoryImpl : public nsIFactory
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{
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public:
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WalletFactoryImpl(const nsCID &aClass);
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// nsISupports methods
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NS_DECL_ISUPPORTS
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// nsIFactory methods
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NS_IMETHOD CreateInstance(nsISupports *aOuter,
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const nsIID &aIID,
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void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock);
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protected:
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virtual ~WalletFactoryImpl();
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private:
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nsCID mClassID;
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};
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////////////////////////////////////////////////////////////////////////
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WalletFactoryImpl::WalletFactoryImpl(const nsCID &aClass)
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{
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NS_INIT_REFCNT();
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mClassID = aClass;
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}
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WalletFactoryImpl::~WalletFactoryImpl()
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{
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NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
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}
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NS_IMETHODIMP
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WalletFactoryImpl::QueryInterface(const nsIID &aIID,
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void **aResult)
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{
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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// Always NULL result, in case of failure
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*aResult = nsnull;
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if (aIID.Equals(kISupportsIID)) {
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*aResult = NS_STATIC_CAST(nsISupports*, this);
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AddRef();
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return NS_OK;
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} else if (aIID.Equals(kIFactoryIID)) {
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*aResult = NS_STATIC_CAST(nsIFactory*, this);
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(WalletFactoryImpl);
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NS_IMPL_RELEASE(WalletFactoryImpl);
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NS_IMETHODIMP
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WalletFactoryImpl::CreateInstance(nsISupports *aOuter,
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const nsIID &aIID,
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void **aResult)
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{
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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*aResult = nsnull;
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nsresult rv;
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PRBool wasRefCounted = PR_TRUE;
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nsISupports *inst = nsnull;
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if (mClassID.Equals(kWalletServiceCID)) {
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if (NS_FAILED(rv = NS_NewWalletService((nsIWalletService**) &inst)))
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return rv;
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}
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else {
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return NS_ERROR_NO_INTERFACE;
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}
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if (! inst)
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return NS_ERROR_OUT_OF_MEMORY;
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if (NS_FAILED(rv = inst->QueryInterface(aIID, aResult)))
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// We didn't get the right interface, so clean up
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delete inst;
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if (wasRefCounted)
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NS_IF_RELEASE(inst);
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return rv;
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}
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nsresult WalletFactoryImpl::LockFactory(PRBool aLock)
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{
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// Not implemented in simplest case.
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////
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// return the proper factory to the caller
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extern "C" PR_IMPLEMENT(nsresult)
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NSGetFactory(nsISupports* serviceMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory **aFactory)
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{
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if (! aFactory)
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return NS_ERROR_NULL_POINTER;
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WalletFactoryImpl* factory = new WalletFactoryImpl(aClass);
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if (factory == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(factory);
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*aFactory = factory;
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return NS_OK;
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}
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