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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIServiceManager.h"
#include "nsCOMPtr.h"
inline const nsGetServiceByCID
do_GetService(const nsCID& aCID)
{
return nsGetServiceByCID(aCID);
}
inline const nsGetServiceByCIDWithError
do_GetService(const nsCID& aCID, nsresult* aError)
{
return nsGetServiceByCIDWithError(aCID, aError);
}
inline const nsGetServiceByContractID
do_GetService(const char* aContractID)
{
return nsGetServiceByContractID(aContractID);
}
inline const nsGetServiceByContractIDWithError
do_GetService(const char* aContractID, nsresult* aError)
{
return nsGetServiceByContractIDWithError(aContractID, aError);
}
class MOZ_STACK_CLASS nsGetServiceFromCategory final : public nsCOMPtr_helper
{
public:
nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
nsresult* aErrorPtr)
: mCategory(aCategory)
, mEntry(aEntry)
, mErrorPtr(aErrorPtr)
{
}
virtual nsresult NS_FASTCALL operator()(const nsIID&, void**) const
override;
protected:
const char* mCategory;
const char* mEntry;
nsresult* mErrorPtr;
};
inline const nsGetServiceFromCategory
do_GetServiceFromCategory(const char* aCategory, const char* aEntry,
nsresult* aError = 0)
{
return nsGetServiceFromCategory(aCategory, aEntry, 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)
{
NS_PRECONDITION(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)
{
NS_PRECONDITION(aContractID, "null parameter");
NS_PRECONDITION(aDestination, "null parameter");
return CallGetService(aContractID,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
#endif
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