/*

* 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:  Presence Store Entry adapter for presence attributes.

*

*/

#ifndef CPENGMODELSTOREENTRYADAPTER_H

#define CPENGMODELSTOREENTRYADAPTER_H

//  INCLUDES

#include "CPEngStoreEntry.h"

//FORWARD DECLARATIONS

class CPEngPresenceAttrModel;

class MPEngStorageManager;

// CLASS DECLARATION

/**

 * Presence Store Entry adapter for presence attributes.

 *

 * @since 3.0

 */

NONSHARABLE_CLASS( CPEngModelStoreEntryAdapter ) : public CPEngStoreEntry

    {

public:  // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CPEngModelStoreEntryAdapter* NewL(

        HBufC* aStoreId,

        MPEngStorageManager& aStorageManager,

        TPEngStorageType aStorageType,

        CPEngPresenceAttrModel& aAttributeModel );

    /**

     * Destructor.

     */

    virtual ~CPEngModelStoreEntryAdapter();

private: // Constructors.

    /**

     * C++ default constructor.

     */

    CPEngModelStoreEntryAdapter( TPEngStorageType aStorageType,

                                 HBufC* aStoreId,

                                 CPEngPresenceAttrModel& aAttributeModel );

public: // New access functions

    /**

     * Access to Storage Manager used by the

     * CPEngModelStoreEntryAdapter.

     *

     * Both const and non const overload.

     * @return Reference to MPEngStorageManager.

     */

    MPEngStorageManager& StorageManager();

    const MPEngStorageManager& StorageManager() const;

private: // Functions from the CPEngStoreEntry

    /**

     * From CPEngStoreEntry.

     *

     * Externalizes the referenced

     * CPEngPresenceAttrModel data to Presence Storage.

     *

     * @since 3.0

     * @param aStream stream to write to

     * @param aStorageType storage type to externalized

     */

    void ExternalizeL( RWriteStream& aStream,

                       TPEngStorageType aStorageType ) const;

    /**

     * From CPEngStoreEntry.

     *

     * Externalizes the referenced

     * CPEngPresenceAttrModel data to Presence Storage.

     *

     * @since 3.0

     * @param aStream stream to read from

     * @param aStorageType storage type to internalized

     */

    void InternalizeL( RReadStream& aStream,

                       TPEngStorageType aStorageType );

    /**

     * From CPEngStoreEntry.

     *

     * @since 3.0

     * @return ID.

     */

    const TDesC& StorageId() const;

    /**

     * From CPEngStoreEntry.

     *

     * Returns required storage size for

     * storing this entry to Presence Storage.

     *

     * @since 3.0

     * @return Size.

     */

    TUint32 EntrySize() const;

private:    // Data

    //OWN: Store id for storing this entry.

    HBufC*  iStoreId;

    //REF: Attribute model to store

    CPEngPresenceAttrModel&     iAttributeModel;

    };

#endif      // CPENGMODELSTOREENTRYADAPTER_H

// End of File