/*

* Copyright (c) 2004-2005 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:  Monitoring status of sim for emergency numbers.

*

*/

#ifndef CSOSENPOLICYSIMSTATUSMONITOR_H

#define CSOSENPOLICYSIMSTATUSMONITOR_H

// INCLUDES

#include <e32base.h>            // CActive

#include <e32property.h>        // RProperty

// FORWARD DECLARATIONS

class CSosEmergencyNumberPolicyHandler;

class RSystemAgent;

class TSysAgentEvent;

// CLASS DECLARATION

/**

*  It is the SIM monitor class for Emergency number manager.

*

*  @since Series60_2.6 

*/

NONSHARABLE_CLASS( CSosEnPolicySimStatusMonitor ) : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Creates a new monitor and starts it.

        *

        * @param aObserver The observer class of the SIM status changes.

        * @return Pointer to created CSosEnPolicySimStatusMonitor instance.

        */

        static CSosEnPolicySimStatusMonitor* NewL( 

            CSosEmergencyNumberPolicyHandler& aObserver );

        /**

        * Destructor.

        */

        ~CSosEnPolicySimStatusMonitor();

    public: // New functions

        /** 

        * Is SIM reading allowed?

        *

        * @return Returns ETrue, if SIM reading is allowed.

        */

        TBool IsReadingAllowed();

    private: // Functions from base classes

        /** 

        * @see CActive::RunL() 

        */

        void DoCancel();

        /** 

        * @see CActive::RunL() 

        */

        void RunL();

    private: // New functions

        /** 

        * Requests notifications from system agent.

        */

        void IssueRequest();

        /** 

        * Translates system agent's state information.

        * 

        * @param aState This is the state from SA.

        */

        TBool TranslateState( TInt aState );

    private:

        /**

        * C++ constructor.

        * @param aObserver The observer class of the SIM status changes.

        */

        CSosEnPolicySimStatusMonitor( CSosEmergencyNumberPolicyHandler& aObserver );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:  // Data

        // The Observer for events.

        CSosEmergencyNumberPolicyHandler& iObserver;

        // The RProperty to replace System agent.

        RProperty                         iProperty;

    };

#endif  // CSOSENPOLICYSIMSTATUSMONITOR_H

// End of File