зеркало из https://github.com/mozilla/pjs.git
322 строки
9.6 KiB
C++
322 строки
9.6 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"
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#include "nsIFactory.h"
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#include "nsISupports.h"
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#include "pratom.h"
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#include "nsMsgCompCID.h"
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/* Include all of the interfaces our factory can generate components for */
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#include "nsISmtpService.h"
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#include "nsSmtpService.h"
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#include "nsComposer.h"
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#include "nsComposeAppCore.h"
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#include "nsMsgComposeFact.h"
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#include "nsMsgCompFieldsFact.h"
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#include "nsMsgSendFact.h"
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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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(kCMsgComposeCID, NS_MSGCOMPOSE_CID);
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static NS_DEFINE_CID(kCMsgCompFieldsCID, NS_MSGCOMPFIELDS_CID);
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static NS_DEFINE_CID(kCMsgSendCID, NS_MSGSEND_CID);
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static NS_DEFINE_CID(kCSmtpServiceCID, NS_SMTPSERVICE_CID);
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static NS_DEFINE_CID(kCComposeAppCoreCID, NS_COMPOSEAPPCORE_CID);
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static NS_DEFINE_CID(kCComposerBootstrapCID, NS_COMPOSERBOOTSTRAP_CID);
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static NS_DEFINE_CID(kCComposerCID, NS_COMPOSER_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 nsMsgComposeFactory : 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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nsMsgComposeFactory(const nsCID &aClass,
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const char* aClassName,
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const char* aProgID,
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nsISupports*);
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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 ~nsMsgComposeFactory();
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private:
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nsCID mClassID;
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char* mClassName;
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char* mProgID;
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nsIServiceManager* mServiceManager;
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};
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nsMsgComposeFactory::nsMsgComposeFactory(const nsCID &aClass,
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const char* aClassName,
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const char* aProgID,
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nsISupports *compMgrSupports)
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: mClassID(aClass),
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mClassName(nsCRT::strdup(aClassName)),
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mProgID(nsCRT::strdup(aProgID))
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{
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NS_INIT_REFCNT();
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// store a copy of the
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compMgrSupports->QueryInterface(nsIServiceManager::GetIID(),
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(void **)&mServiceManager);
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}
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nsMsgComposeFactory::~nsMsgComposeFactory()
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{
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NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
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NS_IF_RELEASE(mServiceManager);
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PL_strfree(mClassName);
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PL_strfree(mProgID);
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}
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nsresult nsMsgComposeFactory::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(::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(nsMsgComposeFactory)
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NS_IMPL_RELEASE(nsMsgComposeFactory)
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nsresult nsMsgComposeFactory::CreateInstance(nsISupports *aOuter, 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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*aResult = NULL;
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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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// mscott --> I've noticed that all of the "convience" functions (NS_*) used to
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// create components are adding a ref count to the returned component...then at the end of
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// CreateInstance we ref count again when we query interface for the desired interface.
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// That's why we need to be careful and make sure we release the first ref count before returning...
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// So, if you add a component here and it doesn't ref count when you create it then you might
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// have a problem....
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if (mClassID.Equals(kCSmtpServiceCID))
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{
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nsSmtpService * smtpService = new nsSmtpService();
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// okay now turn around and give inst a handle on it....
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return smtpService->QueryInterface(kISupportsIID, aResult);
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}
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// do they want a Message Compose interface ?
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else if (mClassID.Equals(kCMsgComposeCID))
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{
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return NS_NewMsgCompose(aIID, aResult);
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}
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// do they want a Message Compose Fields interface ?
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else if (mClassID.Equals(kCMsgCompFieldsCID))
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{
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return NS_NewMsgCompFields(aIID, aResult);
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}
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// do they want a Message Send interface ?
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else if (mClassID.Equals(kCMsgSendCID))
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{
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return NS_NewMsgSend(aIID, aResult);
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}
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// do they want a Compose AppCore interface ?
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else if (mClassID.Equals(kCComposeAppCoreCID))
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{
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return NS_NewComposeAppCore(aIID, aResult);
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}
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else if (mClassID.Equals(kCComposerBootstrapCID))
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{
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return NS_NewComposerBootstrap(aIID, aResult, mServiceManager);
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}
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else if (mClassID.Equals(kCComposerCID))
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{
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return NS_NewComposer(aIID, aResult);
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}
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return NS_NOINTERFACE;
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}
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nsresult nsMsgComposeFactory::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 nsMsgComposeFactory(aClass, aClassName, aProgID, aServMgr);
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if (aFactory)
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return (*aFactory)->QueryInterface(nsIFactory::GetIID(),
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(void**)aFactory);
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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 NSRegisterSelf(nsISupports* aServMgr, const char* path)
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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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nsIComponentManager* compMgr;
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rv = servMgr->GetService(kComponentManagerCID,
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nsIComponentManager::GetIID(),
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(nsISupports**)&compMgr);
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if (NS_FAILED(rv)) return rv;
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// register the message compose factory
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rv = compMgr->RegisterComponent(kCSmtpServiceCID,
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"SMTP Service", nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCMsgCompFieldsCID,
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"Compose Fields",
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nsnull, path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCMsgSendCID,
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"Message Send",
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nsnull, path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCMsgComposeCID,
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"Message Compose",
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nsnull,
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCComposerCID,
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"Message Composer",
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"component://netscape/composer/application",
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path, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCComposerBootstrapCID,
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"Netscape Composer Bootstrapper",
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"component://netscape/composer",
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path,
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PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->RegisterComponent(kCComposeAppCoreCID,
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"Composer AppCore",
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"component://netscape/appcores/composer",
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path,
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PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) goto done;
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#ifdef NS_DEBUG
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printf("composer registering from %s\n",path);
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#endif
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done:
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(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
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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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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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nsIComponentManager* compMgr;
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rv = servMgr->GetService(kComponentManagerCID,
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nsIComponentManager::GetIID(),
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(nsISupports**)&compMgr);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kCComposeAppCoreCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCComposerBootstrapCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCComposerCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCMsgComposeCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCMsgSendCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCMsgCompFieldsCID, path);
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if (NS_FAILED(rv)) goto done;
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rv = compMgr->UnregisterComponent(kCSmtpServiceCID, path);
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if (NS_FAILED(rv)) goto done;
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done:
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(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
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return rv;
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}
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