sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // The definition of the MPolicyObserver class
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __POLICYOBSERVER_H__
sl@0: #define __POLICYOBSERVER_H__
sl@0: 
sl@0: #include "UnloadPolicy.h"
sl@0: #include "EComEntry.h"
sl@0: 
sl@0: /**
sl@0: 	@internalComponent
sl@0: 	@since 7.0
sl@0: 	Used by CRegistryData to inform the load manager when a change to the registry
sl@0: 	occurs.
sl@0:  */
sl@0: 
sl@0: class MPolicyObserver
sl@0: 	{
sl@0: public:
sl@0: /**
sl@0: 	@fn				DllDeletedL(CUnloadPolicy*& aUnloadPolicy) = 0
sl@0: 	Intended Usage	: Called to indicate that a dll has been removed from the registry
sl@0: 	Error Condition	: Leaves with an error code depending on implementation
sl@0: 	@since			7.0
sl@0: 	@param			aUnloadPolicy The CUnloadPolicy of the dll which has been removed
sl@0: */
sl@0: 	
sl@0: 	virtual void DllDeletedL(CUnloadPolicy*& aUnloadPolicy) = 0;
sl@0: 
sl@0: /**
sl@0: 	@fn				DllAdded(const CEComEntry& aDllInfo) = 0
sl@0: 	Intended Usage	: Called to indicate that a dll has been added to the registry
sl@0: 	Error Condition	: None
sl@0: 	@since			7.0
sl@0: 	@param			aDllInfo Information on the dll which has been added to the registry
sl@0: 	@return			The unload policy for the dll if one exists, NULL otherwise
sl@0: */
sl@0: 	
sl@0: 	virtual CUnloadPolicy* DllAdded(const CEComEntry& aDllInfo) = 0;
sl@0: 
sl@0: /**
sl@0: 	@fn				UpdatePolicyIndexL() = 0
sl@0: 	Intended Usage	: Called to indicate the index of unload policies will be out of date 
sl@0: 	Error Condition	: Leaves with an error code depending on implementation
sl@0: 	@since			7.0
sl@0: 	@param			aDllInfo Information on the dll which has been added to the registry
sl@0: */
sl@0: 	
sl@0: 	virtual void UpdatePolicyIndexL() = 0;
sl@0: 	};
sl@0: 
sl@0: #endif // __POLICYOBSERVER_H__