зеркало из https://github.com/mozilla/pjs.git
345 строки
11 KiB
C++
345 строки
11 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
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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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#include "msgCore.h" // for pre-compiled headers...
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#include "nsIModule.h"
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#include "nsIGenericFactory.h"
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#include "nsMsgLocalCID.h"
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// include files for components this factory creates...
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#include "nsMailboxUrl.h"
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#include "nsPop3URL.h"
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#include "nsMailboxService.h"
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#include "nsLocalMailFolder.h"
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#include "nsParseMailbox.h"
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#include "nsPop3Service.h"
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#include "nsPop3IncomingServer.h"
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#include "nsNoIncomingServer.h"
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#include "nsLocalMessage.h"
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#include "nsCOMPtr.h"
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static NS_DEFINE_CID(kMailboxUrlCID, NS_MAILBOXURL_CID);
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static NS_DEFINE_CID(kMailboxParserCID, NS_MAILBOXPARSER_CID);
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static NS_DEFINE_CID(kMailboxServiceCID, NS_MAILBOXSERVICE_CID);
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static NS_DEFINE_CID(kLocalMailFolderResourceCID, NS_LOCALMAILFOLDERRESOURCE_CID);
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static NS_DEFINE_CID(kMailboxMessageResourceCID, NS_MAILBOXMESSAGERESOURCE_CID);
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static NS_DEFINE_CID(kPop3ServiceCID, NS_POP3SERVICE_CID);
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static NS_DEFINE_CID(kPop3UrlCID, NS_POP3URL_CID);
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static NS_DEFINE_CID(kPop3IncomingServerCID, NS_POP3INCOMINGSERVER_CID);
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static NS_DEFINE_CID(kNoIncomingServerCID, NS_NOINCOMINGSERVER_CID);
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static NS_DEFINE_CID(kParseMailMsgStateCID, NS_PARSEMAILMSGSTATE_CID);
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// private factory declarations for each component we know how to produce
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMailboxUrl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsPop3URL)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMsgMailboxParser)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMailboxService)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsPop3Service)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMsgLocalMailFolder)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsLocalMessage)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsParseMailMessageState)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsPop3IncomingServer)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsNoIncomingServer)
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// Module implementation for the sample library
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class nsMsgLocalModule : public nsIModule
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{
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public:
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nsMsgLocalModule();
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virtual ~nsMsgLocalModule();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMODULE
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protected:
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nsresult Initialize();
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void Shutdown();
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PRBool mInitialized;
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nsCOMPtr<nsIGenericFactory> mMailboxUrlFactory;
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nsCOMPtr<nsIGenericFactory> mPop3UrlFactory;
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nsCOMPtr<nsIGenericFactory> mMailboxParserFactory;
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nsCOMPtr<nsIGenericFactory> mMailboxServiceFactory;
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nsCOMPtr<nsIGenericFactory> mPop3ServiceFactory;
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nsCOMPtr<nsIGenericFactory> mLocalMailFolderFactory;
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nsCOMPtr<nsIGenericFactory> mLocalMessageFactory;
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nsCOMPtr<nsIGenericFactory> mParseMailMsgStateFactory;
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nsCOMPtr<nsIGenericFactory> mPop3IncomingServerFactory;
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nsCOMPtr<nsIGenericFactory> mNoIncomingServerFactory;
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};
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nsMsgLocalModule::nsMsgLocalModule()
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: mInitialized(PR_FALSE)
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{
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NS_INIT_ISUPPORTS();
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}
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nsMsgLocalModule::~nsMsgLocalModule()
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{
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Shutdown();
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}
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NS_IMPL_ISUPPORTS(nsMsgLocalModule, NS_GET_IID(nsIModule))
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// Perform our one-time intialization for this module
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nsresult nsMsgLocalModule::Initialize()
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{
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if (mInitialized)
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return NS_OK;
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mInitialized = PR_TRUE;
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return NS_OK;
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}
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// Shutdown this module, releasing all of the module resources
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void nsMsgLocalModule::Shutdown()
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{
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// Release the factory object
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mMailboxUrlFactory = null_nsCOMPtr();
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mPop3UrlFactory = null_nsCOMPtr();
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mMailboxParserFactory = null_nsCOMPtr();
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mMailboxServiceFactory = null_nsCOMPtr();
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mPop3ServiceFactory = null_nsCOMPtr();
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mLocalMailFolderFactory = null_nsCOMPtr();
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mLocalMessageFactory = null_nsCOMPtr();
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mParseMailMsgStateFactory = null_nsCOMPtr();
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mPop3IncomingServerFactory = null_nsCOMPtr();
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mNoIncomingServerFactory = null_nsCOMPtr();
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}
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// Create a factory object for creating instances of aClass.
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NS_IMETHODIMP nsMsgLocalModule::GetClassObject(nsIComponentManager *aCompMgr,
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const nsCID& aClass,
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const nsIID& aIID,
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void** r_classObj)
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{
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nsresult rv;
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// Defensive programming: Initialize *r_classObj in case of error below
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if (!r_classObj)
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return NS_ERROR_INVALID_POINTER;
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*r_classObj = NULL;
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// Do one-time-only initialization if necessary
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if (!mInitialized)
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{
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rv = Initialize();
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if (NS_FAILED(rv)) // Initialization failed! yikes!
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return rv;
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}
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// Choose the appropriate factory, based on the desired instance
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// class type (aClass).
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nsCOMPtr<nsIGenericFactory> fact;
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if (aClass.Equals(kMailboxUrlCID))
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{
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if (!mMailboxUrlFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mMailboxUrlFactory), &nsMailboxUrlConstructor);
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fact = mMailboxUrlFactory;
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}
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else if (aClass.Equals(kPop3UrlCID))
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{
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if (!mPop3UrlFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mPop3UrlFactory), &nsPop3URLConstructor);
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fact = mPop3UrlFactory;
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}
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else if (aClass.Equals(kMailboxParserCID))
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{
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if (!mMailboxParserFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mMailboxParserFactory), &nsMsgMailboxParserConstructor);
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fact = mMailboxParserFactory;
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}
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else if (aClass.Equals(kMailboxServiceCID))
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{
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if (!mMailboxServiceFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mMailboxServiceFactory), &nsMailboxServiceConstructor);
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fact = mMailboxServiceFactory;
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}
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else if (aClass.Equals(kPop3ServiceCID))
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{
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if (!mPop3ServiceFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mPop3ServiceFactory), &nsPop3ServiceConstructor);
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fact = mPop3ServiceFactory;
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}
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else if (aClass.Equals(kLocalMailFolderResourceCID))
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{
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if (!mLocalMailFolderFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mLocalMailFolderFactory), &nsMsgLocalMailFolderConstructor);
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fact = mLocalMailFolderFactory;
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}
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else if (aClass.Equals(kMailboxMessageResourceCID))
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{
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if (!mLocalMessageFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mLocalMessageFactory), &nsLocalMessageConstructor);
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fact = mLocalMessageFactory;
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}
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else if (aClass.Equals(kParseMailMsgStateCID))
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{
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if (!mParseMailMsgStateFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mParseMailMsgStateFactory), &nsParseMailMessageStateConstructor);
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fact = mParseMailMsgStateFactory;
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}
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else if (aClass.Equals(kPop3IncomingServerCID))
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{
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if (!mPop3IncomingServerFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mPop3IncomingServerFactory), &nsPop3IncomingServerConstructor);
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fact = mPop3IncomingServerFactory;
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}
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else if (aClass.Equals(kNoIncomingServerCID))
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{
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if (!mNoIncomingServerFactory)
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rv = NS_NewGenericFactory(getter_AddRefs(mNoIncomingServerFactory), &nsNoIncomingServerConstructor);
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fact = mNoIncomingServerFactory;
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}
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if (fact)
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rv = fact->QueryInterface(aIID, r_classObj);
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return rv;
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}
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struct Components {
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const char* mDescription;
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const nsID* mCID;
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const char* mProgID;
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};
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// The list of components we register
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static Components gComponents[] = {
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{ "Mailbox URL", &kMailboxUrlCID,
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NS_MAILBOXURL_PROGID },
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{ "Mailbox Service", &kMailboxServiceCID,
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NS_MAILBOXSERVICE_PROGID1 },
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{ "Mailbox Service", &kMailboxServiceCID,
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NS_MAILBOXSERVICE_PROGID2 },
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{ "Mailbox Service", &kMailboxServiceCID,
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NS_MAILBOXSERVICE_PROGID3 },
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{ "Mailbox Protocol Handler", &kMailboxServiceCID,
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NS_MAILBOXSERVICE_PROGID4 },
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{ "Mailbox Message Protocol Handler", &kMailboxServiceCID,
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NS_MAILBOXSERVICE_PROGID5 },
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{ "Mailbox Parser", &kMailboxParserCID,
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NS_MAILBOXPARSER_PROGID },
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{ "Pop3 URL", &kPop3UrlCID,
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NS_POP3URL_PROGID },
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{ "Pop3 Service", &kPop3ServiceCID,
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NS_POP3SERVICE_PROGID1 },
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{ "POP Protocol Handler", &kPop3ServiceCID,
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NS_POP3SERVICE_PROGID2 },
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{ "pop3 Protocol Information", &kPop3ServiceCID,
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NS_POP3PROTOCOLINFO_PROGID },
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{ "none Protocol Information", &kPop3ServiceCID,
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NS_NONEPROTOCOLINFO_PROGID },
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{ "Local Mail Folder Resource Factory", &kLocalMailFolderResourceCID,
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NS_LOCALMAILFOLDERRESOURCE_PROGID },
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{ "Local Message Resource Factory", &kMailboxMessageResourceCID,
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NS_MAILBOXMESSAGERESOURCE_PROGID },
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{ "Pop3 Incoming Server", &kPop3IncomingServerCID,
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NS_POP3INCOMINGSERVER_PROGID },
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{ "No Incoming Server", &kNoIncomingServerCID,
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NS_NOINCOMINGSERVER_PROGID },
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{ "Parse MailMessage State", &kParseMailMsgStateCID,
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NS_PARSEMAILMSGSTATE_PROGID }
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};
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#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
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NS_IMETHODIMP nsMsgLocalModule::RegisterSelf(nsIComponentManager *aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation,
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const char* componentType)
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{
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nsresult rv = NS_OK;
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end)
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{
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rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
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cp->mProgID, aPath, PR_TRUE,
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PR_TRUE);
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if (NS_FAILED(rv))
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break;
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cp++;
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}
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return rv;
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}
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NS_IMETHODIMP nsMsgLocalModule::UnregisterSelf(nsIComponentManager* aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation)
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{
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end)
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{
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aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
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cp++;
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsMsgLocalModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
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{
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if (!okToUnload)
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return NS_ERROR_INVALID_POINTER;
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*okToUnload = PR_FALSE;
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return NS_ERROR_FAILURE;
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}
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//----------------------------------------------------------------------
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static nsMsgLocalModule *gModule = NULL;
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extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
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nsIFileSpec* location,
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nsIModule** return_cobj)
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{
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nsresult rv = NS_OK;
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NS_ASSERTION(return_cobj, "Null argument");
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NS_ASSERTION(gModule == NULL, "nsMsgLocalModule: Module already created.");
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// Create an initialize the imap module instance
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nsMsgLocalModule *module = new nsMsgLocalModule();
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if (!module)
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return NS_ERROR_OUT_OF_MEMORY;
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// Increase refcnt and store away nsIModule interface to m in return_cobj
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rv = module->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
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if (NS_FAILED(rv))
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{
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delete module;
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module = nsnull;
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}
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gModule = module; // WARNING: Weak Reference
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return rv;
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}
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