/*

* Copyright (c) 2006 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:  Observes Profile state changes.

*

*/

#ifndef CSATPROFILECHANGEOBSERVER_H

#define CSATPROFILECHANGEOBSERVER_H

#include <e32base.h>

#include "MSatSystemStateObserver.h"

class MSatSystemStateChangeNotifier;

class MSatUtils;

/**

 *  Observes Profile status change and informs CSatCommandContainer

 *  of a possible change.

 *

 *  @lib SatEngine

 *  @since S60 3.0

 */

class CSatProfileChangeObserver : public CBase,

                                  public MSatSystemStateObserver

    {

public:  

    /**

     * Two-phased constructor.

     * @param aUtils Utils inteface

     */

    static CSatProfileChangeObserver* NewL( MSatUtils& aUtils );

    /**

     * Destructor.

     */

    virtual ~CSatProfileChangeObserver();

    /**

     * From MSatSystemStateObserver Notifies that system state changed.

     *

     * @since S60 v3.0

     * @param aValue The new value that has changed.

     */

    void StateChanged( const TInt aValue );

private:

    /**

     * C++ default constructor.

     * @param aUtils Utils inteface

     */

    CSatProfileChangeObserver( MSatUtils& aUtils );

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

private:  // Data

    /**

     * Reference to command container.

     */

    MSatUtils& iUtils;    

    /**

     * System state notifier.

     */

    MSatSystemStateChangeNotifier* iStateNotifier;

    /**

     * Stores the previous profile state.

     */

    TBool iPreviousProfile;     

    };

#endif // CSATPROFILECHANGEOBSERVER_H