mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 21:55:31 +00:00
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 -*- */
|
|
/* 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* error)
|
|
{
|
|
return nsGetServiceByCIDWithError(aCID, error);
|
|
}
|
|
|
|
inline
|
|
const nsGetServiceByContractID
|
|
do_GetService(const char* aContractID)
|
|
{
|
|
return nsGetServiceByContractID(aContractID);
|
|
}
|
|
|
|
inline
|
|
const nsGetServiceByContractIDWithError
|
|
do_GetService( const char* aContractID, nsresult* error)
|
|
{
|
|
return nsGetServiceByContractIDWithError(aContractID, error);
|
|
}
|
|
|
|
class nsGetServiceFromCategory : public nsCOMPtr_helper
|
|
{
|
|
public:
|
|
nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
|
|
nsresult* aErrorPtr)
|
|
: mCategory(aCategory),
|
|
mEntry(aEntry),
|
|
mErrorPtr(aErrorPtr)
|
|
{
|
|
// nothing else to do
|
|
}
|
|
|
|
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
|
|
protected:
|
|
const char* mCategory;
|
|
const char* mEntry;
|
|
nsresult* mErrorPtr;
|
|
};
|
|
|
|
inline
|
|
const nsGetServiceFromCategory
|
|
do_GetServiceFromCategory( const char* category, const char* entry,
|
|
nsresult* error = 0)
|
|
{
|
|
return nsGetServiceFromCategory(category, entry, error);
|
|
}
|
|
|
|
NS_COM_GLUE nsresult
|
|
CallGetService(const nsCID &aClass, const nsIID &aIID, void **aResult);
|
|
|
|
NS_COM_GLUE 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
|