/usr/include/firefox/nsComponentManagerUtils.h is in firefox-dev 11.0+build1-0ubuntu4.
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/* ***** 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 mozilla.org Code.
*
* 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 nsComponentManagerUtils_h__
#define nsComponentManagerUtils_h__
#ifndef nscore_h__
#include "nscore.h"
#endif
#ifndef nsCOMPtr_h__
#include "nsCOMPtr.h"
#endif
#include "nsIFactory.h"
NS_COM_GLUE nsresult
CallCreateInstance
(const nsCID &aClass, nsISupports *aDelegate, const nsIID &aIID,
void **aResult);
NS_COM_GLUE nsresult
CallCreateInstance
(const char *aContractID, nsISupports *aDelegate, const nsIID &aIID,
void **aResult);
NS_COM_GLUE nsresult
CallGetClassObject
(const nsCID &aClass, const nsIID &aIID, void **aResult);
NS_COM_GLUE nsresult
CallGetClassObject
(const char *aContractID, const nsIID &aIID, void **aResult);
class NS_COM_GLUE nsCreateInstanceByCID : public nsCOMPtr_helper
{
public:
nsCreateInstanceByCID( const nsCID& aCID, nsISupports* aOuter, nsresult* aErrorPtr )
: mCID(aCID),
mOuter(aOuter),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const nsCID& mCID;
nsISupports* mOuter;
nsresult* mErrorPtr;
};
class NS_COM_GLUE nsCreateInstanceByContractID : public nsCOMPtr_helper
{
public:
nsCreateInstanceByContractID( const char* aContractID, nsISupports* aOuter, nsresult* aErrorPtr )
: mContractID(aContractID),
mOuter(aOuter),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const char* mContractID;
nsISupports* mOuter;
nsresult* mErrorPtr;
};
class NS_COM_GLUE nsCreateInstanceFromFactory : public nsCOMPtr_helper
{
public:
nsCreateInstanceFromFactory( nsIFactory* aFactory, nsISupports* aOuter, nsresult* aErrorPtr )
: mFactory(aFactory),
mOuter(aOuter),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
nsIFactory* mFactory;
nsISupports* mOuter;
nsresult* mErrorPtr;
};
inline
const nsCreateInstanceByCID
do_CreateInstance( const nsCID& aCID, nsresult* error = 0 )
{
return nsCreateInstanceByCID(aCID, 0, error);
}
inline
const nsCreateInstanceByCID
do_CreateInstance( const nsCID& aCID, nsISupports* aOuter, nsresult* error = 0 )
{
return nsCreateInstanceByCID(aCID, aOuter, error);
}
inline
const nsCreateInstanceByContractID
do_CreateInstance( const char* aContractID, nsresult* error = 0 )
{
return nsCreateInstanceByContractID(aContractID, 0, error);
}
inline
const nsCreateInstanceByContractID
do_CreateInstance( const char* aContractID, nsISupports* aOuter, nsresult* error = 0 )
{
return nsCreateInstanceByContractID(aContractID, aOuter, error);
}
inline
const nsCreateInstanceFromFactory
do_CreateInstance( nsIFactory* aFactory, nsresult* error = 0 )
{
return nsCreateInstanceFromFactory(aFactory, 0, error);
}
inline
const nsCreateInstanceFromFactory
do_CreateInstance( nsIFactory* aFactory, nsISupports* aOuter, nsresult* error = 0 )
{
return nsCreateInstanceFromFactory(aFactory, aOuter, error);
}
class NS_COM_GLUE nsGetClassObjectByCID : public nsCOMPtr_helper
{
public:
nsGetClassObjectByCID( const nsCID& aCID, nsresult* aErrorPtr )
: mCID(aCID),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const nsCID& mCID;
nsresult* mErrorPtr;
};
class NS_COM_GLUE nsGetClassObjectByContractID : public nsCOMPtr_helper
{
public:
nsGetClassObjectByContractID( const char* aContractID, nsresult* aErrorPtr )
: mContractID(aContractID),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
private:
const char* mContractID;
nsresult* mErrorPtr;
};
/**
* do_GetClassObject can be used to improve performance of callers
* that call |CreateInstance| many times. They can cache the factory
* and call do_CreateInstance or CallCreateInstance with the cached
* factory rather than having the component manager retrieve it every
* time.
*/
inline const nsGetClassObjectByCID
do_GetClassObject( const nsCID& aCID, nsresult* error = 0 )
{
return nsGetClassObjectByCID(aCID, error);
}
inline const nsGetClassObjectByContractID
do_GetClassObject( const char* aContractID, nsresult* error = 0 )
{
return nsGetClassObjectByContractID(aContractID, error);
}
// type-safe shortcuts for calling |CreateInstance|
template <class DestinationType>
inline
nsresult
CallCreateInstance( const nsCID &aClass,
nsISupports *aDelegate,
DestinationType** aDestination )
{
NS_PRECONDITION(aDestination, "null parameter");
return CallCreateInstance(aClass, aDelegate,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallCreateInstance( const nsCID &aClass,
DestinationType** aDestination )
{
NS_PRECONDITION(aDestination, "null parameter");
return CallCreateInstance(aClass, nsnull,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallCreateInstance( const char *aContractID,
nsISupports *aDelegate,
DestinationType** aDestination )
{
NS_PRECONDITION(aContractID, "null parameter");
NS_PRECONDITION(aDestination, "null parameter");
return CallCreateInstance(aContractID,
aDelegate,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallCreateInstance( const char *aContractID,
DestinationType** aDestination )
{
NS_PRECONDITION(aContractID, "null parameter");
NS_PRECONDITION(aDestination, "null parameter");
return CallCreateInstance(aContractID, nsnull,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallCreateInstance( nsIFactory *aFactory,
nsISupports *aDelegate,
DestinationType** aDestination )
{
NS_PRECONDITION(aFactory, "null parameter");
NS_PRECONDITION(aDestination, "null parameter");
return aFactory->CreateInstance(aDelegate,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallCreateInstance( nsIFactory *aFactory,
DestinationType** aDestination )
{
NS_PRECONDITION(aFactory, "null parameter");
NS_PRECONDITION(aDestination, "null parameter");
return aFactory->CreateInstance(nsnull,
NS_GET_TEMPLATE_IID(DestinationType),
reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallGetClassObject( const nsCID &aClass,
DestinationType** aDestination )
{
NS_PRECONDITION(aDestination, "null parameter");
return CallGetClassObject(aClass,
NS_GET_TEMPLATE_IID(DestinationType), reinterpret_cast<void**>(aDestination));
}
template <class DestinationType>
inline
nsresult
CallGetClassObject( const char* aContractID,
DestinationType** aDestination )
{
NS_PRECONDITION(aDestination, "null parameter");
return CallGetClassObject(aContractID,
NS_GET_TEMPLATE_IID(DestinationType), reinterpret_cast<void**>(aDestination));
}
#endif /* nsComponentManagerUtils_h__ */
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