michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsServiceManagerUtils_h__
michael@0: #define nsServiceManagerUtils_h__
michael@0: 
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: inline
michael@0: const nsGetServiceByCID
michael@0: do_GetService(const nsCID& aCID)
michael@0: {
michael@0:     return nsGetServiceByCID(aCID);
michael@0: }
michael@0: 
michael@0: inline
michael@0: const nsGetServiceByCIDWithError
michael@0: do_GetService(const nsCID& aCID, nsresult* error)
michael@0: {
michael@0:     return nsGetServiceByCIDWithError(aCID, error);
michael@0: }
michael@0: 
michael@0: inline
michael@0: const nsGetServiceByContractID
michael@0: do_GetService(const char* aContractID)
michael@0: {
michael@0:     return nsGetServiceByContractID(aContractID);
michael@0: }
michael@0: 
michael@0: inline
michael@0: const nsGetServiceByContractIDWithError
michael@0: do_GetService( const char* aContractID, nsresult* error)
michael@0: {
michael@0:     return nsGetServiceByContractIDWithError(aContractID, error);
michael@0: }
michael@0: 
michael@0: class nsGetServiceFromCategory : public nsCOMPtr_helper
michael@0: {
michael@0:  public:
michael@0:     nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
michael@0:                              nsresult* aErrorPtr)
michael@0:         : mCategory(aCategory),
michael@0:         mEntry(aEntry),
michael@0:         mErrorPtr(aErrorPtr)
michael@0:         {
michael@0:             // nothing else to do
michael@0:         }
michael@0:     
michael@0:     virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
michael@0:  protected:
michael@0:     const char*                 mCategory;
michael@0:     const char*                 mEntry;
michael@0:     nsresult*                   mErrorPtr;
michael@0: };
michael@0: 
michael@0: inline
michael@0: const nsGetServiceFromCategory
michael@0: do_GetServiceFromCategory( const char* category, const char* entry,
michael@0:                            nsresult* error = 0)
michael@0: {
michael@0:     return nsGetServiceFromCategory(category, entry, error);
michael@0: }
michael@0: 
michael@0: NS_COM_GLUE nsresult
michael@0: CallGetService(const nsCID &aClass, const nsIID &aIID, void **aResult);
michael@0: 
michael@0: NS_COM_GLUE nsresult
michael@0: CallGetService(const char *aContractID, const nsIID &aIID, void **aResult);
michael@0: 
michael@0: // type-safe shortcuts for calling |GetService|
michael@0: template <class DestinationType>
michael@0: inline
michael@0: nsresult
michael@0: CallGetService( const nsCID &aClass,
michael@0:                 DestinationType** aDestination)
michael@0: {
michael@0:     NS_PRECONDITION(aDestination, "null parameter");
michael@0:     
michael@0:     return CallGetService(aClass,
michael@0:                           NS_GET_TEMPLATE_IID(DestinationType),
michael@0:                           reinterpret_cast<void**>(aDestination));
michael@0: }
michael@0: 
michael@0: template <class DestinationType>
michael@0: inline
michael@0: nsresult
michael@0: CallGetService( const char *aContractID,
michael@0:                 DestinationType** aDestination)
michael@0: {
michael@0:     NS_PRECONDITION(aContractID, "null parameter");
michael@0:     NS_PRECONDITION(aDestination, "null parameter");
michael@0:     
michael@0:     return CallGetService(aContractID,
michael@0:                           NS_GET_TEMPLATE_IID(DestinationType),
michael@0:                           reinterpret_cast<void**>(aDestination));
michael@0: }
michael@0: 
michael@0: #endif