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102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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