/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*     See class description.

*

*/

#ifndef __MPHONEUISTATEMACHINEFACTORY_H

#define __MPHONEUISTATEMACHINEFACTORY_H

//  INCLUDES

#include <e32std.h>

// FORWARD DECLARATIONS

class CPhoneUIController;

class MPhoneStateMachine;

class CPhoneResourceResolverBase;

class CPhoneErrorMessagesHandler;

class MPhoneViewCommandHandle;

/**

*  Class MPhoneUIStateMachineFactory : This abstract M-class defines the 

*  interface for PhoneUiStateMachine factory. The interface provides the 

*  abstraction of variant specific factory objects. The interface 

*  consists of methods that can be used for creating instances of variant 

*  specific classes.

*/

class MPhoneUIStateMachineFactory

    {

    public:

        /**

        * Destructor

        */

        virtual ~MPhoneUIStateMachineFactory(){};

        /**

        * Creates an instance of CPhoneStateMachine

        * derived class using the loaded factory DLL. The user of this function

        * is responsible of the cleanup of the created object.

        * @return an instance of the class upcasted to CPhoneStateMachine

        */

        virtual MPhoneStateMachine* CreatePhoneStateMachineL(

            MPhoneViewCommandHandle* aViewCommandHandle ) = 0;

        /**

        * Creates an instance of CPhoneResourceResolverBase

        * derived class. The user of this function is responsible of cleanup of the created object.

        * @param None.

        * @return an instance of class upcasted to CPhoneResourceResolverBase class

        */

        virtual CPhoneResourceResolverBase* CreatePhoneResourceResolverL() = 0;

        /**

        * Creates an instance of CPhoneErrorMessagesHandler

        * derived class. The user of this function is responsible of cleanup of the created object.

        * @param None.

        * @return an instance of class upcasted to CPhoneErrorMessagesHandler class

        */

        virtual CPhoneErrorMessagesHandler* CreatePhoneErrorMessagesHandlerL(

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneStateMachine* aStateMachine ) = 0;

    };

#endif      // __MPHONEUISTATEMACHINEFACTORY_H

// End of File