зеркало из https://github.com/mozilla/gecko-dev.git
295 строки
8.8 KiB
C++
295 строки
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 "msgCore.h" // for pre-compiled headers...
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#include "nsIServiceManager.h"
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#include "nsIFactory.h"
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#include "nsISupports.h"
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#include "nsIMAPHostSessionList.h"
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#include "nsImapIncomingServer.h"
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#include "nsImapService.h"
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#include "pratom.h"
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#include "nsCOMPtr.h"
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#include "nsImapMailFolder.h"
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#include "nsImapMessage.h"
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// include files for components this factory creates...
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#include "nsImapUrl.h"
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#include "nsImapProtocol.h"
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#include "nsMsgImapCID.h"
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kCImapUrl, NS_IMAPURL_CID);
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static NS_DEFINE_CID(kCImapProtocol, NS_IMAPPROTOCOL_CID);
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static NS_DEFINE_CID(kCImapHostSessionList, NS_IIMAPHOSTSESSIONLIST_CID);
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static NS_DEFINE_CID(kCImapIncomingServer, NS_IMAPINCOMINGSERVER_CID);
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static NS_DEFINE_CID(kCImapService, NS_IMAPSERVICE_CID);
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static NS_DEFINE_CID(kCImapResource, NS_IMAPRESOURCE_CID);
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static NS_DEFINE_CID(kCImapMessageResource, NS_IMAPMESSAGERESOURCE_CID);
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////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////
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static PRInt32 g_InstanceCount = 0;
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static PRInt32 g_LockCount = 0;
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class nsImapFactory : 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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nsImapFactory(const nsCID &aClass, const char* aClassName, const char* aProgID);
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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 ~nsImapFactory();
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nsCID mClassID;
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char* mClassName;
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char* mProgID;
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};
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nsImapFactory::nsImapFactory(const nsCID &aClass, const char* aClassName, const char* aProgID)
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: mClassID(aClass), mClassName(nsCRT::strdup(aClassName)), mProgID(nsCRT::strdup(aProgID))
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{
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NS_INIT_REFCNT();
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}
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nsImapFactory::~nsImapFactory()
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{
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NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
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nsCRT::free(mClassName);
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nsCRT::free(mProgID);
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}
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nsresult nsImapFactory::QueryInterface(const nsIID &aIID, void **aResult)
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{
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if (aResult == NULL)
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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 = NULL;
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// we support two interfaces....nsISupports and nsFactory.....
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if (aIID.Equals(nsCOMTypeInfo<nsISupports>::GetIID()))
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*aResult = (void *)(nsISupports*)this;
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else if (aIID.Equals(nsIFactory::GetIID()))
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*aResult = (void *)(nsIFactory*)this;
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if (*aResult == NULL)
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return NS_NOINTERFACE;
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AddRef(); // Increase reference count for caller
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return NS_OK;
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}
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NS_IMPL_ADDREF(nsImapFactory)
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NS_IMPL_RELEASE(nsImapFactory)
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nsresult nsImapFactory::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 (aResult == NULL)
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return NS_ERROR_NULL_POINTER;
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*aResult = NULL;
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nsISupports *inst = nsnull;
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// ClassID check happens here
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// Whenever you add a new class that supports an interface, plug it in here!!!
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// do they want a local datasource ?
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if (mClassID.Equals(kCImapUrl))
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{
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inst = NS_STATIC_CAST(nsIImapUrl*, new nsImapUrl());
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}
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else if (mClassID.Equals(kCImapProtocol))
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{
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inst = NS_STATIC_CAST(nsIImapProtocol *, new nsImapProtocol());
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}
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else if (mClassID.Equals(kCImapHostSessionList))
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{
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inst = NS_STATIC_CAST(nsIImapHostSessionList *, new nsIMAPHostSessionList());
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}
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else if (mClassID.Equals(kCImapIncomingServer))
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{
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return NS_NewImapIncomingServer(aIID, aResult);
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}
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else if (mClassID.Equals(kCImapService))
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{
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inst = NS_STATIC_CAST(nsIImapService *, new nsImapService());
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}
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else if (mClassID.Equals(kCImapResource))
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{
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inst = NS_STATIC_CAST(nsIMsgImapMailFolder *, new nsImapMailFolder());
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}
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else if (mClassID.Equals(kCImapMessageResource))
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{
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nsImapMessage * imapMessage = new nsImapMessage();
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if (imapMessage)
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rv = imapMessage->QueryInterface(aIID, aResult);
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else
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rv = NS_ERROR_OUT_OF_MEMORY;
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if (NS_FAILED(rv) && imapMessage)
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delete imapMessage;
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return rv;
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}
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if (inst == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = inst->QueryInterface(aIID, aResult);
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if (NS_FAILED(rv))
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delete inst;
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return rv;
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}
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nsresult nsImapFactory::LockFactory(PRBool aLock)
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{
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if (aLock)
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PR_AtomicIncrement(&g_LockCount);
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else
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PR_AtomicDecrement(&g_LockCount);
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return NS_OK;
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}
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// return the proper factory to the caller.
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extern "C" NS_EXPORT nsresult 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 (nsnull == aFactory)
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return NS_ERROR_NULL_POINTER;
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*aFactory = new nsImapFactory(aClass, aClassName, aProgID);
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if (aFactory)
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return (*aFactory)->QueryInterface(nsIFactory::GetIID(), (void**)aFactory); // they want a Factory Interface so give it to them
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else
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return NS_ERROR_OUT_OF_MEMORY;
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}
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extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* aServMgr)
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{
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return PRBool(g_InstanceCount == 0 && g_LockCount == 0);
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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 = NS_OK;
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nsresult finalResult = NS_OK;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kCImapUrl, nsnull, nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapProtocol, nsnull, nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapHostSessionList, nsnull, nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapIncomingServer,
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"Imap Incoming Server",
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"component://netscape/messenger/server&type=imap",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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// register our RDF resource factories:
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rv = compMgr->RegisterComponent(kCImapResource,
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"Mail/News Imap Resource Factory",
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NS_RDF_RESOURCE_FACTORY_PROGID_PREFIX "imap",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapService, nsnull,
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"component://netscape/messenger/messageservice;type=imap_message",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapService, nsnull, nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapService,
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"Imap Protocol Handler",
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NS_NETWORK_PROTOCOL_PROGID_PREFIX "imap",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->RegisterComponent(kCImapMessageResource,
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"Imap Message Resource Factory",
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NS_RDF_RESOURCE_FACTORY_PROGID_PREFIX "imap_message",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) finalResult = rv;
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return finalResult;
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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 = NS_OK;
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nsresult finalResult = NS_OK;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kCImapUrl, path);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapProtocol, path);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapHostSessionList, path);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapIncomingServer, path);
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if (NS_FAILED(rv))finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapService, path);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapMessageResource, path);
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if (NS_FAILED(rv)) finalResult = rv;
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rv = compMgr->UnregisterComponent(kCImapResource, path);
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if (NS_FAILED(rv)) finalResult = rv;
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return finalResult;
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}
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