/*

* 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 CPSCWATCHERLISTSUBSCRIPTIONITEM_H

#define CPSCWATCHERLISTSUBSCRIPTIONITEM_H

#include <e32base.h>

#include "presenceinfoimp.h"

#include "ximpsubscriptionitem.h"

#include "presencetypehelpers.h"

#include "ximpsubscriptionitembase.h"

class MXIMPItemParentBase;

class MXIMPPscContext;

class CDesC16Array;

class CPresenceWatcherInfoImp;

/**

 * PSC group list subscription implementation

 *

 * @since S60 v3.2

 */

class CWatcherListSubscriptionItem : public CXIMPSubscriptionItemBase

    {

public: // Construction and destruction

    /**

     * Construction

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

     */

    static CWatcherListSubscriptionItem* NewLC( MXIMPItemParentBase& aParent );

    /**

     * Destruction

     * - Remember to inform parent about delete.

     */

    ~CWatcherListSubscriptionItem();

private: // Construction and destruction

    /**

     * Construction

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

     */

    CWatcherListSubscriptionItem( MXIMPItemParentBase& aParent );

    /**

     * Construction

     */

    void ConstructL();

public: // New methods

    /**

     * Resolve deltas and replace old current with new list.

     * @param aList New current list.

     */

    IMPORT_C void SetNewListL( RPrWatLstInfoImpArray* aList );

    /**

     * 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.

     */

    RPrWatLstInfoImpArray* iCurrentList;

    /**

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

     * Owned.

     */

    RPrWatLstInfoImpArray* iNewWatchers;

    /**

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

     * Owned.

     */

    RPrWatLstInfoImpArray* iDisappeared;

    };

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

#endif // CPSCWATCHERLISTSUBSCRIPTIONITEM_H