/*

* Copyright (c) 2004 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:  Notifier API to listen presence reactive authorization changes.

*

*/

#ifndef CPENGREACTAUTHNOTIFIERIMP_H

#define CPENGREACTAUTHNOTIFIERIMP_H

//  INCLUDES

#include <E32Base.h>

#include "RGenericObserverArray.h"

#include "MPEngAuthorizationObserver.h"

//FORWARD DECLARATIONS

class CPEngReactAuthNotifier;

class CPEngNWSessionSlotID2;

class CPEngNWSessionSlotID2Imp;

class CPEngNWSessionSlotStorageProxy;

class MPEngReactAuthObserver;

class MPEngAuthorizationManager;

/**

 * Reactive authorization change notifier implementation.

 *

 * @since 3.0

 */

NONSHARABLE_CLASS( CPEngReactAuthNotifierImp ) : public CBase,

        public MPEngAuthorizationObserver

    {

public: /* Construction */

    /**

     * Instantiates CPEngReactAuthNotifierImp object.

     *

     * @return New CPEngReactAuthNotifierImp instance.

     */

    static CPEngReactAuthNotifierImp* NewL(

        CPEngReactAuthNotifier& aInterface,

        TInt aPriority,

        const CPEngNWSessionSlotID2& aNWSessionSlotID );

    /**

     * Destructor.

     */

    ~CPEngReactAuthNotifierImp();

protected:

    /**

     * C++ constructor.

     */

    CPEngReactAuthNotifierImp( CPEngReactAuthNotifier& aInterface,

                               TInt aPriority );

    /**

     * Symbian OS constructor.

     */

    void ConstructL( const CPEngNWSessionSlotID2& aNWSessionSlotID );

public: /* Reactive authorization notifier implementation */

    /**

     * Implementation.

     * @since 3.0

     */

    TBool IsActive() const;

    TInt Start( TInt aOptions );

    void Stop();

    TInt AddObserver( MPEngReactAuthObserver& aObserver );

    TInt RemoveObserver( MPEngReactAuthObserver& aObserver );

private: /* From MPEngAuthorizationObserver */

    /**

     * Authorization handler.

     * @since 3.0

     */

    void HandleNewPendingAuthorization(

        MPEngAuthorizationRequest& aNewPendingAuthorization );

    /**

     * Authorization handler.

     * @since 3.0

     */

    void HandlerNewAuthorizationStatus(

        const MPEngAuthorizationStatus& aNewAuthorizationStatus );

    /**

     * Authorization engine update handler.

     */

    void HandleAuthorizationEngineUpdate();

    /**

     * Notification failure handler.

     */

    void HandleAuthorizationEngineError( TInt aError );

private: //Data

    //REF: Implemented interface

    CPEngReactAuthNotifier& iInterface;

    //OWN: The notifier priority

    TInt    iCActivePriority;

    //OWN:

    CPEngNWSessionSlotStorageProxy* iUsedSlot;

    //OWN: Observer array

    RGenericObserverArray< MPEngReactAuthObserver >   iObsArray;

    //OWN: Flags describing the notifier state

    //     Flag contents are either EFalse or ETrue

    TInt8   iStarted;

    TInt8   iDying;

    TInt8   iReserved1;

    TInt8   iReserved2;

    MPEngAuthorizationManager*  iAuthManager;

    };

#endif  //CPENGREACTAUTHNOTIFIERIMP_H

// End of File