gecko-dev/xpcom/components/nsServiceManagerUtils.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsServiceManagerUtils_h__
#define nsServiceManagerUtils_h__
#include "nsCOMPtr.h"
#include "nsString.h"
inline nsGetServiceByCID do_GetService(const nsCID& aCID) {
return nsGetServiceByCID(aCID);
}
inline nsGetServiceByCIDWithError do_GetService(const nsCID& aCID,
nsresult* aError) {
return nsGetServiceByCIDWithError(aCID, aError);
}
inline nsGetServiceByContractID do_GetService(const char* aContractID) {
return nsGetServiceByContractID(aContractID);
}
inline nsGetServiceByContractIDWithError do_GetService(const char* aContractID,
nsresult* aError) {
return nsGetServiceByContractIDWithError(aContractID, aError);
}
nsresult CallGetService(const nsCID& aClass, const nsIID& aIID, void** aResult);
nsresult CallGetService(const char* aContractID, const nsIID& aIID,
void** aResult);
// type-safe shortcuts for calling |GetService|
template <class DestinationType>
inline nsresult CallGetService(const nsCID& aClass,
DestinationType** aDestination) {
MOZ_ASSERT(aDestination, "null parameter");
return CallGetService(aClass, NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline nsresult CallGetService(const char* aContractID,
DestinationType** aDestination) {
MOZ_ASSERT(aContractID, "null parameter");
MOZ_ASSERT(aDestination, "null parameter");
return CallGetService(aContractID, NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
#endif