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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPCOM.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIServiceManagerUtils_h__
#define nsIServiceManagerUtils_h__
#include "nsIServiceManager.h"
#include "nsIServiceManagerObsolete.h"
#include "nsCOMPtr.h"
////////////////////////////////////////////////////////////////////////////
// Using servicemanager with COMPtrs
class NS_COM nsGetServiceByCID : public nsCOMPtr_helper
{
public:
nsGetServiceByCID( const nsCID& aCID, nsISupports* aServiceManager, nsresult* aErrorPtr )
: mCID(aCID),
mServiceManager( do_QueryInterface(aServiceManager) ),
mErrorPtr(aErrorPtr)
{
// nothing else to do
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const nsCID& mCID;
nsCOMPtr<nsIServiceManager> mServiceManager;
nsresult* mErrorPtr;
};
inline
const nsGetServiceByCID
do_GetService( const nsCID& aCID, nsresult* error = 0 )
{
return nsGetServiceByCID(aCID, 0, error);
}
inline
const nsGetServiceByCID
do_GetService( const nsCID& aCID, nsISupports* aServiceManager, nsresult* error = 0 )
{
return nsGetServiceByCID(aCID, aServiceManager, error);
}
class NS_COM nsGetServiceByContractID : public nsCOMPtr_helper
{
public:
nsGetServiceByContractID( const char* aContractID, nsISupports* aServiceManager, nsresult* aErrorPtr )
: mContractID(aContractID),
mServiceManager( do_QueryInterface(aServiceManager) ),
mErrorPtr(aErrorPtr)
{
// nothing else to do
}
// Implement a dummy destructor to workaround linking issue on Solaris gcc 4.8.2 (see @bugref{5838})
~nsGetServiceByContractID() {}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const char* mContractID;
nsCOMPtr<nsIServiceManager> mServiceManager;
nsresult* mErrorPtr;
};
inline
const nsGetServiceByContractID
do_GetService( const char* aContractID, nsresult* error = 0 )
{
return nsGetServiceByContractID(aContractID, 0, error);
}
inline
const nsGetServiceByContractID
do_GetService( const char* aContractID, nsISupports* aServiceManager, nsresult* error = 0 )
{
return nsGetServiceByContractID(aContractID, aServiceManager, error);
}
class nsGetServiceFromCategory : public nsCOMPtr_helper
{
public:
nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
nsISupports* aServiceManager,
nsresult* aErrorPtr)
: mCategory(aCategory),
mEntry(aEntry),
mServiceManager( do_QueryInterface(aServiceManager) ),
mErrorPtr(aErrorPtr)
{
// nothing else to do
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
protected:
const char* mCategory;
const char* mEntry;
nsCOMPtr<nsIServiceManager> mServiceManager;
nsresult* mErrorPtr;
};
inline
const nsGetServiceFromCategory
do_GetServiceFromCategory( const char* category, const char* entry,
nsresult* error = 0)
{
return nsGetServiceFromCategory(category, entry, 0, error);
}
// type-safe shortcuts for calling |GetService|
template <class DestinationType>
inline
nsresult
CallGetService( const nsCID &aClass,
DestinationType** aDestination)
{
NS_PRECONDITION(aDestination, "null parameter");
nsCOMPtr<nsIServiceManager> mgr;
nsresult rv = NS_GetServiceManager(getter_AddRefs(mgr));
if (NS_FAILED(rv))
return rv;
return mgr->GetService(aClass,
NS_GET_IID(DestinationType),
NS_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");
nsCOMPtr<nsIServiceManager> mgr;
nsresult rv = NS_GetServiceManager(getter_AddRefs(mgr));
if (NS_FAILED(rv))
return rv;
return mgr->GetServiceByContractID(aContractID,
NS_GET_IID(DestinationType),
NS_REINTERPRET_CAST(void**, aDestination));
}
#endif
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