зеркало из https://github.com/mozilla/pjs.git
210 строки
5.6 KiB
C++
210 строки
5.6 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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A sample of XPConnect. This file contains the XPCOM factory the
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creates for AccountServicesImpl objects.
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*/
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#include "nsCOMPtr.h"
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#include "nscore.h"
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#include "nsIAccountServices.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsXPComFactory.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(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kAccountServicesCID, NS_AccountServices_CID);
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class AccountServicesFactoryImpl : public nsIFactory
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{
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public:
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AccountServicesFactoryImpl(const nsCID &aClass, const char* className, const char* progID);
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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 ~AccountServicesFactoryImpl();
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protected:
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nsCID mClassID;
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const char* mClassName;
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const char* mProgID;
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};
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////////////////////////////////////////////////////////////////////////
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AccountServicesFactoryImpl::AccountServicesFactoryImpl(const nsCID &aClass,
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const char* className,
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const char* progID)
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: mClassID(aClass), mClassName(className), mProgID(progID)
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{
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NS_INIT_REFCNT();
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}
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AccountServicesFactoryImpl::~AccountServicesFactoryImpl()
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{
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}
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NS_IMETHODIMP
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AccountServicesFactoryImpl::QueryInterface(const nsIID &aIID, 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(AccountServicesFactoryImpl);
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NS_IMPL_RELEASE(AccountServicesFactoryImpl);
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NS_IMETHODIMP
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AccountServicesFactoryImpl::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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nsISupports *inst = nsnull;
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if (mClassID.Equals(kAccountServicesCID)) {
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if (NS_FAILED(rv = NS_NewAccountServices((nsIAccountServices**) &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.
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NS_ERROR("didn't support the interface you wanted");
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}
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NS_IF_RELEASE(inst);
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return rv;
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}
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nsresult AccountServicesFactoryImpl::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* aServMgr,
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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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AccountServicesFactoryImpl* factory = new AccountServicesFactoryImpl(aClass, aClassName, aProgID);
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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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extern "C" PR_IMPLEMENT(nsresult)
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NSRegisterSelf(nsISupports* aServMgr , const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kAccountServicesCID,
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"Account Services",
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"component://netscape/profile/Account-services",
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aPath, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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extern "C" PR_IMPLEMENT(nsresult)
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NSUnregisterSelf(nsISupports* aServMgr, const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kAccountServicesCID, aPath);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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