269 lines
7.0 KiB
C++
269 lines
7.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "nsBaseDLL.h"
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#include "nscore.h"
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#include "nsIProperties.h"
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#include "nsProperties.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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#include "nsIObserverService.h"
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#include "nsObserverService.h"
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#include "nsIObserver.h"
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#include "nsObserver.h"
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#include "nsProperties.h"
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#include "nsPageMgr.h"
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#include "pratom.h"
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#include "nsBuffer.h"
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kPageManagerCID, NS_PAGEMANAGER_CID);
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static NS_DEFINE_CID(kObserverServiceCID, NS_OBSERVERSERVICE_CID);
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static NS_DEFINE_CID(kObserverCID, NS_OBSERVER_CID);
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static NS_DEFINE_CID(kBufferCID, NS_BUFFER_CID);
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////////////////////////////////////////////////////////////////////////////////
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class nsBaseFactory : public nsIFactory
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{
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public:
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// nsISupports methods
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NS_DECL_ISUPPORTS
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nsBaseFactory(const nsCID &aClass);
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// nsIFactory methods
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NS_IMETHOD CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock);
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protected:
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virtual ~nsBaseFactory();
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static PRInt32 gLockCount;
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nsCID mClassID;
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};
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PRInt32 nsBaseFactory::gLockCount = 0;
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nsBaseFactory::nsBaseFactory(const nsCID &aClass)
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: mClassID(aClass)
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{
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NS_INIT_REFCNT();
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}
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nsBaseFactory::~nsBaseFactory()
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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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nsresult
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nsBaseFactory::QueryInterface(const nsIID &aIID, void **aResult)
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{
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if (aResult == nsnull)
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return NS_ERROR_NULL_POINTER;
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*aResult = nsnull;
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if (aIID.Equals(nsIFactory::GetIID()) ||
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aIID.Equals(nsISupports::GetIID())) {
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*aResult = (void *)(nsIFactory*)this;
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}
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if (*aResult == nsnull)
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return NS_NOINTERFACE;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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NS_IMPL_ADDREF(nsBaseFactory)
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NS_IMPL_RELEASE(nsBaseFactory)
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nsresult
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nsBaseFactory::CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult)
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{
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nsresult rv = NS_OK;
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if (aOuter) {
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return NS_ERROR_NO_AGGREGATION;
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}
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if (aResult == nsnull) {
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return NS_ERROR_NULL_POINTER;
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}
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*aResult = nsnull;
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if (mClassID.Equals(kPersistentPropertiesCID)) {
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nsPersistentProperties* props = new nsPersistentProperties();
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if (props == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = props->QueryInterface(aIID, aResult);
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if (NS_FAILED(rv)) {
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delete props;
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}
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return rv;
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}
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if (mClassID.Equals(kObserverServiceCID)) {
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return NS_NewObserverService((nsIObserverService**)aResult);
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}
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if (mClassID.Equals(kObserverCID)) {
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return NS_NewObserver((nsIObserver**)aResult);
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}
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#ifdef XP_PC // XXX for now until i fix the build
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if (mClassID.Equals(kPageManagerCID)) {
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nsPageMgr* pageMgr = new nsPageMgr();
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if (pageMgr == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = pageMgr->Init();
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if (NS_FAILED(rv)) {
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delete pageMgr;
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return rv;
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}
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rv = pageMgr->QueryInterface(aIID, aResult);
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if (NS_FAILED(rv)) {
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delete pageMgr;
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return rv;
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}
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return NS_OK;
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}
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if (mClassID.Equals(kBufferCID)) {
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nsBuffer* buffer = new nsBuffer();
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if (buffer == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = buffer->QueryInterface(aIID, aResult);
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if (NS_FAILED(rv)) {
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delete buffer;
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return rv;
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}
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return NS_OK;
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}
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#endif
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return NS_NOINTERFACE;
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}
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nsresult nsBaseFactory::LockFactory(PRBool aLock)
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{
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if (aLock) {
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PR_AtomicIncrement(&gLockCount);
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} else {
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PR_AtomicDecrement(&gLockCount);
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}
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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extern "C" NS_EXPORT nsresult
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NSRegisterSelf(nsISupports* aServMgr, const char* path)
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{
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nsresult rv;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr,
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aServMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kPersistentPropertiesCID,
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"Persistent Properties", NULL,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kObserverServiceCID,
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"ObserverService",
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NS_OBSERVERSERVICE_PROGID,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kObserverCID,
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"Observer",
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NS_OBSERVER_PROGID,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kPageManagerCID,
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"Page Manager", NULL,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kBufferCID,
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"Buffer", NULL,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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return rv;
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}
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extern "C" NS_EXPORT nsresult
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NSUnregisterSelf(nsISupports* aServMgr, const char* path)
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{
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nsresult rv;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr,
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aServMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kPersistentPropertiesCID, path);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kObserverServiceCID, path);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kObserverCID, path);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kPageManagerCID, path);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kBufferCID, path);
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if (NS_FAILED(rv)) return rv;
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return rv;
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}
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extern "C" NS_EXPORT 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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}
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nsBaseFactory* factory = new nsBaseFactory(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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extern "C" NS_EXPORT PRBool
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NSCanUnload(nsISupports* serviceMgr)
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{
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return PR_FALSE; // XXX can we unload this?
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}
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////////////////////////////////////////////////////////////////////////////////
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