// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 // which accompanies this distribution, and is available

 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #if !defined __MTCLREG_H__

 #define __MTCLREG_H__

 #include <e32base.h>		// CActive, TFileName etc.

 #include <msvreg.h>

 #include <msvapi.h>			// MMsvSessionObserver

 // CObserverRegistry mixes in session notification API

 // this allows run-time update of the registries on the client-side.

 // the server registry should inherit from CMtmDllRegistry

 class CObserverRegistry : public CMtmDllRegistry, public MMsvSessionObserver

 /** Base class for client, UI and UI data MTM registries.

 It implements the session observer interface to update the registry information 

 when MTM groups are installed or uninstalled.

 @publishedAll

 @released

 */

 	{

 public:

 	IMPORT_C virtual void HandleSessionEventL(TMsvSessionEvent aEvent, TAny* aArg1, TAny* aArg2, TAny* aArg3);

 	IMPORT_C ~CObserverRegistry();

 protected:

 	IMPORT_C CObserverRegistry(CMsvSession& aMsvSession,TUid aDllTypeUid,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32);

 	IMPORT_C void ConstructL();

 protected:

 	CMsvSession& iMsvSession;

 	TBool iIsAdded;

 	};

 // Client side MTM registry

 class CClientMtmRegistry : public CObserverRegistry

 /** Accesses the Client-side MTM registry. 

 This registry holds details of the all the Client-side MTMs currently available 

 on the system. Message client applications use this class to get a CBaseMtm-derived 

 object by which to access Client-side MTM functionality.

 Note that the base class CMtmDllRegistry provides functions for discovering 

 what MTMs are present in the registry.

 @publishedAll

 @released

 */

 	{

 public:

 	IMPORT_C static CClientMtmRegistry* NewL(CMsvSession& aMsvSession, TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32=TTimeIntervalMicroSeconds32(30000000));

 	IMPORT_C ~CClientMtmRegistry();

 	IMPORT_C CBaseMtm* NewMtmL(TUid aMtmTypeUid);

 	//

 protected:

 	CClientMtmRegistry(CMsvSession& aMsvSession,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32);

 	void ConstructL();

 	//

 private:

 	CBaseMtm* DoNewMtmL(const RLibrary& aLib, CRegisteredMtmDll& aReg) const;

 	};

 #endif // __MTCLREG_H__