/*

* Copyright (c) 2002-2007 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:  A notifier that gets refresh events from the SAT server

*

*/

#ifndef VPBKSIMSTOREIMPL_CSATREFRESHNOTIFIER_H

#define VPBKSIMSTOREIMPL_CSATREFRESHNOTIFIER_H

//  INCLUDES

#include <e32base.h>

#include <msatrefreshobserver.h>

#include "MSimRefreshObject.h"

namespace VPbkSimStoreImpl {

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  A notifier that gets refresh events from the SAT server

*

*/

NONSHARABLE_CLASS(CSatRefreshNotifier) : public CBase,

                            private MSatRefreshObserver,

                            private MSimRefreshCompletion

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CSatRefreshNotifier* NewL();

        /**

        * Destructor.

        */

        virtual ~CSatRefreshNotifier();

    public: // New functions

        /**

        * Opens session to SAT server and activates notification

        * if refresh object has files that are not already listened to.

        *

        * @param aSimRefreshObject the object that needs to listen to refresh.

        */

        void ActivateL( MSimRefreshObject& aSimRefreshObject );

        /**

        * Deactivates listening refresh.

        *

        * @param aSimRefreshObject the object that doesn't need 

        *                          notification anymore.

        */

        void DeActivate( MSimRefreshObject& aSimRefreshObject );

        /**

        * Returns ETrue if notifier has been activated

        * @return ETrue if notifier has been activated

        */

        TBool IsActive();

    private:  // From MSatRefreshObserver

        TBool AllowRefresh( TSatRefreshType aType, 

            const TSatRefreshFiles& aFiles );

        void Refresh( TSatRefreshType aType, const TSatRefreshFiles& aFiles );

    private:    // From MSimRefreshCompletion

        void SatRefreshCompleted( MSimRefreshObject& aSimRefreshObject,

            TBool aReadAdditionalFiles );

    private:

        /**

        * C++ default constructor.

        */

        CSatRefreshNotifier();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:    // Data

        /// Own: a C-class that owns SAT session

        class CSatSession;

        CSatSession* iSatSession;

        /// An array of observers. Instances are not owned.

        RPointerArray<MSimRefreshObject> iObjects;

        /// The number of object that have completed refresh

        TInt iRefreshedObjects;

        /// ETrue if some object has read other than SAT-defined EFs.

        TBool iAdditionalEFsRead;        

    };

} // namespace VPbkSimStoreImpl

#endif      // VPBKSIMSTOREIMPL_CSATREFRESHNOTIFIER_H

// End of File