/*

* Copyright (c) 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:  Attribute list model implementation

*

*/

#ifndef __CPENGATTRIBUTELISTMODEL_H__

#define __CPENGATTRIBUTELISTMODEL_H__

//  INCLUDES

#include <e32base.h>

#include "MPEngAttributeList2.h"

// FORWARD DECLARATIONS

class   MPEngPresenceAttrManager;

// CLASS DECLARATION

/**

 * Attribute list model

 *

 * @lib PEngListLib2

 * @since 3.0

 */

NONSHARABLE_CLASS( CPEngAttributeListModel ): public CBase,

        public MPEngAttributeList2

    {

public:

    /**

     * Two-phased constructor.

     */

    static CPEngAttributeListModel* NewL(

        MPEngPresenceAttrManager*   aAttributeManager );

    static CPEngAttributeListModel* NewLC(

        MPEngPresenceAttrManager* aAttributeManager );

    /**

     * Two-phased constructor.

     */

    static CPEngAttributeListModel* NewL(

        MPEngPresenceAttrManager*   aAttributeManager,

        const RArray<TUint32>& aPresenceAttributes );

    static CPEngAttributeListModel* NewLC(

        MPEngPresenceAttrManager* aAttributeManager,

        const RArray<TUint32>& aPresenceAttributes );

    /**

     * Destructor.

     */

    ~CPEngAttributeListModel();

public: // From MPEngAttributeList2

    /**

     * Adds a presence attribute into the attribute list.

     * @see <MPEngAttributeList2.h>

     */

    void AddPresenceAttributeL( TUint32 aPresenceAttribute );

    /**

     * Removes the presence attribute from the attribute list.

     * @see <MPEngAttributeList2.h>

     */

    TInt RemovePresenceAttribute( TUint32 aPresenceAttribute );

    /**

     * Removes all presence attributes from the attribute list

     * @see <MPEngAttributeList2.h>

     */

    void RemoveAllAttributes();

    /**

     * Checks is the presence attribute valid and can it be added

     * @see <MPEngAttributeList2.h>

     */

    TInt ConfirmPresenceAttribute( TUint32 aPresenceAttribute ) const;

    /**

     * Current set of presence attributes in the attribute list.

     * @see <MPEngAttributeList2.h>

     */

    TArray<TUint32> ListOfAttributes() const;

    /**

     *  Generic attribute list extension interface.

     *  @see <MPEngAttributeList2.h>

     *  @since 3.0

     */

    MPEngAttributeListExt2* Extension()

        {

        return NULL;

        }

    /**

     * Presence Engine internal attribute list interface.

     * @see <MPEngAttributeList2.h>

     * @since 3.0

     */

    const MPEngAdvancedAttributeList2* Advanced() const

        {

        return NULL;

        }

    MPEngAdvancedAttributeList2* Advanced()

        {

        return NULL;

        }

    /**

     * Close reference to the object

     *

     * @since 3.0

     */

    void Close();

public: // New functions

    /**

     * Reference to the array of the attributes

     *

     * @since 3.0

     * @return array of presence attributes

     */

    const RArray<TUint32>& PresenceAttributes() const;

private:    // constructors

    /**

     * Symbian constructor.

     */

    void ConstructL( const RArray<TUint32>& aPresenceAttributes );

    /**

     * C++ constructor.

     */

    CPEngAttributeListModel( MPEngPresenceAttrManager* aAttributeManager );

private:    // Data

    /// OWN: List of presence attributes

    RArray<TUint32>             iListOfAttributes;

    /// REF: Attribute manager

    MPEngPresenceAttrManager*   iAttributeManager;

    };

#endif //   __CPENGATTRIBUTELISTMODEL_H__

// End of File