mirror of
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95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 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 const nsGetServiceByCIDWithError
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do_GetService(const nsCID& aCID, nsresult* aError)
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{
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return nsGetServiceByCIDWithError(aCID, aError);
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}
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inline 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 const nsGetServiceByContractIDWithError
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do_GetService(const char* aContractID, nsresult* aError)
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{
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return nsGetServiceByContractIDWithError(aContractID, aError);
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}
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class MOZ_STACK_CLASS nsGetServiceFromCategory final : 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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}
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virtual nsresult NS_FASTCALL operator()(const nsIID&, void**) const
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override;
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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 const nsGetServiceFromCategory
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do_GetServiceFromCategory(const char* aCategory, const char* aEntry,
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nsresult* aError = 0)
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{
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return nsGetServiceFromCategory(aCategory, aEntry, aError);
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}
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nsresult CallGetService(const nsCID& aClass, const nsIID& aIID, void** aResult);
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nsresult CallGetService(const char* aContractID, const nsIID& aIID,
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void** aResult);
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// type-safe shortcuts for calling |GetService|
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template<class DestinationType>
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inline 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 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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