/*

* 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 own presence subscription implementation.

*

*/

#ifndef CPSCOWNPRESENCESUBSCRIPTIONITEM_H

#define CPSCOWNPRESENCESUBSCRIPTIONITEM_H

#include <e32base.h>

#include "presenceinfoimp.h"

#include "ximpsubscriptionitem.h"

#include "ximpsubscriptionitembase.h"

class MXIMPItemParentBase;

class MXIMPPscContext;

class CPresenceInfoFilterImp;

class COwnPresenceEventImp;

/**

 * PSC own presence subscription implementation

 *

 * @since S60 v3.2

 */

class COwnPresenceSubscriptionItem : public CXIMPSubscriptionItemBase

    {

public: // Construction and destruction

    /**

     * Construction

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

     */

    static COwnPresenceSubscriptionItem* NewLC( MXIMPItemParentBase& aParent );

    /**

     * Destruction

     * - Remember to inform parent about delete.

     */

    virtual ~COwnPresenceSubscriptionItem();

private: // Construction and destruction

    /**

     * Construction

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

     */

    COwnPresenceSubscriptionItem( MXIMPItemParentBase& aParent );

    /**

     * Construction

     */

    void ConstructL();

public: // New methods

    /**

     * Current presence information filter.

     * @return Current presence information filter.

     */

    IMPORT_C CPresenceInfoFilterImp& SubscriptionPif();

    /**

     * Set current presence information filter. Overwrites existing one.

     * Ownership is transferred to callee.

     * @param aPif Current presence information filter.

     */

    IMPORT_C void SetSubscriptionPif( CPresenceInfoFilterImp* aPif );

    /**

     * Collect aggregated presence information filter wihtout given context.

     * @param aContext. Exluded context from aggregated pif.

     * @return Aggregated pif without exluded context.

     */    

    IMPORT_C CPresenceInfoFilterImp* CollectSubscriptionPifWithoutCtxL( 

                                                    MXIMPPscContext* aContext );

    /**

     * Set presence information. Overwrites existing one.

     * @param aPresenceInfo. New presence information.

     */

    IMPORT_C void SetPresenceInfoL( CPresenceInfoImp* aPresenceInfo );

public: // From MXIMPSubscriptionItem

    /**

     * Synthesise own presence information to given context.

     * Presence information is filtered with context pif.

     * @param aContext. Target context for own presence information.

     */    

    void SynthesiseSubscriptionEventToL( MXIMPPscContext* aContext, TBool aForceEvent );

private: // From CXIMPSubscriptionItemBase

    /**

     * @see CXIMPSubscriptionItemBase

     */

    void CleanExpired();        

private: // Data

    /**

     * Current presence information filter.

     */

    CPresenceInfoFilterImp* iPif;

    /**

     * Current presence info

     */

    CPresenceInfoImp* iPresenceInfo;

    };

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

#endif // CPSCOWNPRESENCESUBSCRIPTIONITEM_H