Back to index

lightning-sunbird  0.9+nobinonly
nsMorkFactory.cpp
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1999
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Pierre Phaneuf <pp@ludusdesign.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsIServiceManager.h"
00040 #include "nsCOMPtr.h"
00041 #include "nsIModule.h"
00042 #include "nsIGenericFactory.h"
00043 #include "nsMorkCID.h"
00044 #include "nsIMdbFactoryFactory.h"
00045 #include "mdb.h"
00046 
00047 class nsMorkFactoryFactory : public nsIMdbFactoryFactory
00048 {
00049 public:
00050   nsMorkFactoryFactory();
00051   // nsISupports methods
00052   NS_DECL_ISUPPORTS 
00053 
00054   NS_IMETHOD GetMdbFactory(nsIMdbFactory **aFactory);
00055 
00056 };
00057 
00058 NS_GENERIC_FACTORY_CONSTRUCTOR(nsMorkFactoryFactory)
00059 
00060 static const nsModuleComponentInfo components[] =
00061 {
00062     { "Mork Factory", 
00063       NS_MORK_CID, 
00064       nsnull,
00065       nsMorkFactoryFactoryConstructor 
00066     }
00067 };
00068 
00069 NS_IMPL_NSGETMODULE(nsMorkModule, components)
00070 
00071 
00072 
00073 
00074 static nsIMdbFactory *gMDBFactory = nsnull;
00075 
00076 NS_IMPL_ADDREF(nsMorkFactoryFactory)
00077 NS_IMPL_RELEASE(nsMorkFactoryFactory)
00078 
00079 NS_IMETHODIMP
00080 nsMorkFactoryFactory::QueryInterface(REFNSIID iid, void** result)
00081 {
00082   if (! result)
00083     return NS_ERROR_NULL_POINTER;
00084   
00085   *result = nsnull;
00086   if(iid.Equals(NS_GET_IID(nsIMdbFactoryFactory)) ||
00087     iid.Equals(NS_GET_IID(nsISupports))) {
00088     *result = NS_STATIC_CAST(nsIMdbFactoryFactory*, this);
00089     AddRef();
00090     return NS_OK;
00091   }
00092   return NS_NOINTERFACE;
00093 }
00094 
00095 
00096 
00097 nsMorkFactoryFactory::nsMorkFactoryFactory()
00098 {
00099 }
00100 
00101 NS_IMETHODIMP nsMorkFactoryFactory::GetMdbFactory(nsIMdbFactory **aFactory)
00102 {
00103   if (!gMDBFactory)
00104     gMDBFactory = MakeMdbFactory();
00105   *aFactory = gMDBFactory;
00106   NS_IF_ADDREF(gMDBFactory);
00107   return (gMDBFactory) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
00108 }
00109