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134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is XPCOM.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsServiceManagerUtils_h__
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#define nsServiceManagerUtils_h__
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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inline
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const nsGetServiceByCID
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do_GetService(const nsCID& aCID)
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{
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return nsGetServiceByCID(aCID);
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}
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inline
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const nsGetServiceByCIDWithError
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do_GetService(const nsCID& aCID, nsresult* error)
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{
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return nsGetServiceByCIDWithError(aCID, error);
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}
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inline
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const nsGetServiceByContractID
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do_GetService(const char* aContractID)
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{
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return nsGetServiceByContractID(aContractID);
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}
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inline
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const nsGetServiceByContractIDWithError
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do_GetService( const char* aContractID, nsresult* error)
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{
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return nsGetServiceByContractIDWithError(aContractID, error);
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}
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class nsGetServiceFromCategory : public nsCOMPtr_helper
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{
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public:
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nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
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nsresult* aErrorPtr)
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: mCategory(aCategory),
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mEntry(aEntry),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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protected:
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const char* mCategory;
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const char* mEntry;
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nsresult* mErrorPtr;
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};
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inline
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const nsGetServiceFromCategory
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do_GetServiceFromCategory( const char* category, const char* entry,
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nsresult* error = 0)
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{
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return nsGetServiceFromCategory(category, entry, error);
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}
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NS_COM_GLUE nsresult
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CallGetService(const nsCID &aClass, const nsIID &aIID, void **aResult);
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NS_COM_GLUE nsresult
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CallGetService(const char *aContractID, const nsIID &aIID, void **aResult);
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// type-safe shortcuts for calling |GetService|
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template <class DestinationType>
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inline
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nsresult
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CallGetService( const nsCID &aClass,
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DestinationType** aDestination)
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{
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NS_PRECONDITION(aDestination, "null parameter");
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return CallGetService(aClass,
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NS_GET_TEMPLATE_IID(DestinationType),
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reinterpret_cast<void**>(aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallGetService( const char *aContractID,
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DestinationType** aDestination)
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{
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NS_PRECONDITION(aContractID, "null parameter");
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NS_PRECONDITION(aDestination, "null parameter");
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return CallGetService(aContractID,
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NS_GET_TEMPLATE_IID(DestinationType),
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reinterpret_cast<void**>(aDestination));
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}
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#endif
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