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14b921cb3a
gecko-dev/mailnews/local/build/nsMsgLocalFactory.cpp
mscott%netscape.com 14b921cb3a Use NS_WITH_SERVICE1 which uses the service manager that was passed in to 
NSRegisterSelf / NSUnregisterSelf.
1999-06-09 06:40:48 +00:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "msgCore.h" // for pre-compiled headers...
#include "nsIServiceManager.h"
#include "nsIFactory.h"
#include "nsISupports.h"
#include "nsMsgLocalCID.h"
#include "pratom.h"
// include files for components this factory creates...
#include "nsMailboxUrl.h"
#include "nsPop3URL.h"
#include "nsMailboxService.h"
#include "nsLocalMailFolder.h"
#include "nsParseMailbox.h"
#include "nsPop3Service.h"
#include "nsPop3IncomingServer.h"
#include "nsCOMPtr.h"
#include "nsLocalMessage.h"
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kMailboxUrlCID, NS_MAILBOXURL_CID);
static NS_DEFINE_CID(kMailboxParserCID, NS_MAILBOXPARSER_CID);
static NS_DEFINE_CID(kMailboxServiceCID, NS_MAILBOXSERVICE_CID);
static NS_DEFINE_CID(kLocalMailFolderResourceCID, NS_LOCALMAILFOLDERRESOURCE_CID);
static NS_DEFINE_CID(kMailboxMessageResourceCID, NS_MAILBOXMESSAGERESOURCE_CID);
static NS_DEFINE_CID(kPop3ServiceCID, NS_POP3SERVICE_CID);
static NS_DEFINE_CID(kPop3UrlCID, NS_POP3URL_CID);
static NS_DEFINE_CID(kPop3IncomingServerCID, NS_POP3INCOMINGSERVER_CID);
static NS_DEFINE_CID(kParseMailMsgStateCID, NS_PARSEMAILMSGSTATE_CID);
////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////
static PRInt32 g_InstanceCount = 0;
static PRInt32 g_LockCount = 0;
class nsMsgLocalFactory : public nsIFactory
{
public:
// nsISupports methods
NS_DECL_ISUPPORTS
nsMsgLocalFactory(const nsCID &aClass, const char* aClassName, const char* aProgID);
// nsIFactory methods
NS_IMETHOD CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
protected:
virtual ~nsMsgLocalFactory();
nsCID mClassID;
char* mClassName;
char* mProgID;
};
nsMsgLocalFactory::nsMsgLocalFactory(const nsCID &aClass, const char* aClassName, const char* aProgID)
: mClassID(aClass), mClassName(nsCRT::strdup(aClassName)), mProgID(nsCRT::strdup(aProgID))
{
NS_INIT_REFCNT();
}
nsMsgLocalFactory::~nsMsgLocalFactory()
{
NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
PL_strfree(mClassName);
PL_strfree(mProgID);
}
nsresult nsMsgLocalFactory::QueryInterface(const nsIID &aIID, void **aResult)
{
if (aResult == nsnull)
return NS_ERROR_NULL_POINTER;
// Always NULL result, in case of failure
*aResult = nsnull;
// we support two interfaces....nsISupports and nsFactory.....
if (aIID.Equals(::nsISupports::GetIID()))
*aResult = (void *)(nsISupports*)this;
else if (aIID.Equals(nsIFactory::GetIID()))
*aResult = (void *)(nsIFactory*)this;
if (*aResult == nsnull)
return NS_NOINTERFACE;
AddRef(); // Increase reference count for caller
return NS_OK;
}
NS_IMPL_ADDREF(nsMsgLocalFactory)
NS_IMPL_RELEASE(nsMsgLocalFactory)
nsresult nsMsgLocalFactory::CreateInstance(nsISupports * /* aOuter */, const nsIID &aIID, void **aResult)
{
nsresult rv = NS_OK;
if (aResult == nsnull)
return NS_ERROR_NULL_POINTER;
*aResult = nsnull;
// ClassID check happens here
// Whenever you add a new class that supports an interface, plug it in here!!!
// do they want a local datasource ?
if (mClassID.Equals(kMailboxUrlCID))
{
nsMailboxUrl * url = new nsMailboxUrl(nsnull, nsnull);
if (url)
rv = url->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && url)
delete url;
}
else if (mClassID.Equals(kPop3UrlCID))
{
nsPop3URL * popUrl = new nsPop3URL(nsnull, nsnull);
if (popUrl)
rv = popUrl->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && popUrl)
delete popUrl;
}
else if (mClassID.Equals(kMailboxParserCID))
{
nsMsgMailboxParser * parser = new nsMsgMailboxParser();
if (parser)
rv = parser->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && parser)
delete parser;
}
else if (mClassID.Equals(kMailboxServiceCID))
{
nsMailboxService * mboxService = new nsMailboxService();
if (mboxService)
rv = mboxService->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && mboxService)
delete mboxService;
}
else if (mClassID.Equals(kPop3ServiceCID))
{
nsPop3Service * popService = new nsPop3Service();
if (popService)
rv = popService->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && popService)
delete popService;
}
else if (mClassID.Equals(kLocalMailFolderResourceCID))
{
nsMsgLocalMailFolder * localFolder = new nsMsgLocalMailFolder();
if (localFolder)
rv = localFolder->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && localFolder)
delete localFolder;
}
else if (mClassID.Equals(kMailboxMessageResourceCID))
{
nsLocalMessage * localMessage = new nsLocalMessage();
if (localMessage)
rv = localMessage->QueryInterface(aIID, aResult);
else
rv = NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(rv) && localMessage)
delete localMessage;
}
else if (mClassID.Equals(kParseMailMsgStateCID))
rv = NS_NewParseMailMessageState(aIID, aResult);
else if (mClassID.Equals(kPop3IncomingServerCID))
rv = NS_NewPop3IncomingServer(nsISupports::GetIID(), aResult);
else
rv = NS_NOINTERFACE;
return rv;
}
nsresult nsMsgLocalFactory::LockFactory(PRBool aLock)
{
if (aLock) {
PR_AtomicIncrement(&g_LockCount);
} else {
PR_AtomicDecrement(&g_LockCount);
}
return NS_OK;
}
// return the proper factory to the caller.
extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* /* aServMgr */,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory)
{
if (nsnull == aFactory)
return NS_ERROR_NULL_POINTER;
// If we decide to implement multiple factories in the msg.dll, then we need to check the class
// type here and create the appropriate factory instead of always creating a nsMsgFactory...
*aFactory = new nsMsgLocalFactory(aClass, aClassName, aProgID);
if (aFactory)
return (*aFactory)->QueryInterface(nsIFactory::GetIID(), (void**)aFactory); // they want a Factory Interface so give it to them
else
return NS_ERROR_OUT_OF_MEMORY;
}
extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* /* aServMgr */)
{
return PRBool(g_InstanceCount == 0 && g_LockCount == 0);
}
extern "C" NS_EXPORT nsresult
NSRegisterSelf(nsISupports* aServMgr, const char* path)
{
nsresult rv;
nsresult finalResult = NS_OK;
NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->RegisterComponent(kMailboxUrlCID, nsnull, nsnull,
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kMailboxServiceCID, nsnull,
"component://netscape/messenger/mailboxservice",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kMailboxServiceCID, nsnull,
"component://netscape/messenger/messageservice;type=mailbox",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kMailboxServiceCID, nsnull,
"component://netscape/messenger/messageservice;type=mailbox_message",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kMailboxParserCID, nsnull, nsnull,
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kPop3UrlCID, nsnull, nsnull,
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kPop3ServiceCID, nsnull,
"component://netscape/messenger/popservice",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
// register our RDF resource factories:
rv = compMgr->RegisterComponent(kLocalMailFolderResourceCID,
"Local Mail Folder Resource Factory",
NS_RDF_RESOURCE_FACTORY_PROGID_PREFIX "mailbox",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kMailboxMessageResourceCID,
"Local Message Resource Factory",
NS_RDF_RESOURCE_FACTORY_PROGID_PREFIX "mailbox_message",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kPop3IncomingServerCID,
"Pop3 Incoming Server",
"component://netscape/messenger/server&type=pop3",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->RegisterComponent(kParseMailMsgStateCID,
"Parse MailMessage State",
"component://netscape/messenger/messagestateparser",
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) finalResult = rv;
return finalResult;
}
extern "C" NS_EXPORT nsresult
NSUnregisterSelf(nsISupports* aServMgr, const char* path)
{
nsresult rv = NS_OK;
nsresult finalResult = NS_OK;
NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->UnregisterComponent(kMailboxUrlCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kMailboxServiceCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kPop3UrlCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kPop3ServiceCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kMailboxParserCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kLocalMailFolderResourceCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kMailboxMessageResourceCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kPop3IncomingServerCID, path);
if (NS_FAILED(rv)) finalResult = rv;
rv = compMgr->UnregisterComponent(kParseMailMsgStateCID, path);
if (NS_FAILED(rv)) finalResult = rv;
return finalResult;
}
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