/*

* 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:  Presence Service Connection group list subscription implementation.

*

*/

#ifndef CPSCGROUPLISTSUBSCRIPTIONITEM_H

#define CPSCGROUPLISTSUBSCRIPTIONITEM_H

#include <e32base.h>

#include "presenceinfoimp.h"

#include "ximpsubscriptionitem.h"

#include "presencetypehelpers.h"

#include "ximpsubscriptionitembase.h"

class MXIMPItemParentBase;

class MXIMPPscContext;

class CDesC16Array;

class CPresentityGroupInfoImp;

/**

 * PSC group list subscription implementation

 *

 * @since S60 v3.2

 */

class CGroupListSubscriptionItem : public CXIMPSubscriptionItemBase

    {

public: // Construction and destruction

    /**

     * Construction

     * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.

     */

    static CGroupListSubscriptionItem* NewLC( MXIMPItemParentBase& aParent );

    /**

     * Destruction

     * - Remember to inform parent about delete.

     */

    ~CGroupListSubscriptionItem();

private: // Construction and destruction

    /**

     * Construction

     * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.

     */

    CGroupListSubscriptionItem( MXIMPItemParentBase& aParent );

    /**

     * Construction

     */

    void ConstructL();

public: // New methods

    /**

     * Set the new list of groups. Will create and set

     * the temporary lists for created, deleted and updated lists.

     * Ownership is transferred!

     * @param aGroupList The list of groups

     */

    IMPORT_C void SetNewListL( RPrGrpInfoImpArray* aGroupList );

    /**

     * Set the created list of groups. Will set

     * other lists accordingly. If there are no new elements (=no created groups),

     * will simply update the display names of the existing groups, i.e.

     * HandlePresentityGroupDisplayNameUpdatedL call handling.

     * Ownership is transferred!

     * @param aGroupList The list of groups

     */

    IMPORT_C void SetCreatedListL( RPrGrpInfoImpArray* aGroupList );

    /**

     * Set the deleted list of groups. Will set

     * other lists accordingly.

     * Ownership is transferred!

     * @param aGroupList The list of groups

     */

    IMPORT_C void SetDeletedListL( RPrGrpInfoImpArray* aGroupList );

    /**

     * Remove the temporary lists.

     */

    IMPORT_C void Clean();

public: // From MXIMPSubscriptionItem        

    /**

     * @see MXIMPSubscriptionItem

     */

    void SynthesiseSubscriptionEventToL( MXIMPPscContext* aContext, TBool aForceEvent );

private: // From CXIMPSubscriptionItemBase

    /**

     * @see CXIMPSubscriptionItemBase

     */

    void CleanExpired();        

private: // Data

    /**

     * Current list of groups.

     * Owned.

     */

    RPrGrpInfoImpArray* iCurrentList;

    /**

     * List of created groups (new since last update).

     * Owned.

     */

    RPrGrpInfoImpArray* iCreated;

    /**

     * List of deleted groups (removed since last update).

     * Owned.

     */

    RPrGrpInfoImpArray* iDeleted;

    /**

     * List of updated groups (same as in last update).

     * Owned.

     */

    RPrGrpInfoImpArray* iUpdated;

    };

/* ======================================================================== */

#endif // CPSCGROUPLISTSUBSCRIPTIONITEM_H