/*

* Copyright (c) 2006, 2007 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:  Implementation of MPresenceWatching

*

*/

#ifndef CPRESENCEWATCHINGIMP_H

#define CPRESENCEWATCHINGIMP_H

#include <presencewatching.h>

#include "ximpapiobjbase.h"

#include "presenceapiobjbase.h"

class MXIMPContextInternal;

class MXIMPIdentity;

class MPresenceInfoFilter;

/**

 * MPresencePublishing API object implementation.

 *

 * @lib ximpmanager.dll

 * @since S60 v3.2

 */

NONSHARABLE_CLASS( CPresenceWatchingImp ): public CXIMPApiObjBase,

                                               public MPresenceWatching

    {

    public:

    /** The class ID. */

    enum { KClassId = PRIMP_CLSID_CPRESENCEWATCHINGIMP };

public:

    static CPresenceWatchingImp* NewL( MXIMPContextInternal& aContext );

    ~CPresenceWatchingImp();

public:

    CPresenceWatchingImp( MXIMPContextInternal& aContext );

public: // From MXIMPBase

    /**

     * Implementation of MXIMPBase interface methods

     * @see MXIMPBase

     */

    XIMPIMP_DECLARE_IF_BASE_METHODS

public: //From MPresenceWatching

    TXIMPRequestId SubscribePresentityPresenceL( const MXIMPIdentity& aPresentityId,

                                                 const MPresenceInfoFilter& aPif );

    TXIMPRequestId UnsubscribePresentityPresenceL( const MXIMPIdentity& aPresentityId );

    TXIMPRequestId SubscribePresentityGroupMembersPresenceL( const MXIMPIdentity& aGroupId,

                                                             const MPresenceInfoFilter& aPif );

    TXIMPRequestId UnsubscribePresentityGroupMembersPresenceL( const MXIMPIdentity& aGroupId );

private: //Helpers

    HBufC8* PackPresentityLC( const MXIMPIdentity& aIdentity );

    HBufC8* PackFilterLC( const MPresenceInfoFilter& aFilter );

private: // data

    /**

     * Context session proxy for accessing context server.

     * Ref.

     */

    MXIMPContextInternal& iContext;

    };

#endif // CPRESENCEWATCHINGIMP_H