/*

 * Copyright (c) 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 : Content Arsenal client session

 *

 */

#ifndef CACLIENTSUBSESSION_H_

#define CACLIENTSUBSESSION_H_

#include <e32base.h>

#include "cadef.h"

class RCaClientNotifierSession;

class CCaClientNotifier;

class IDataObserver;

class CCaInnerNotifierFilter;

class CCaInnerEntry;

class RCaClientSubSession: public RSubSessionBase

    {

public:

    RCaClientSubSession( const RCaClientNotifierSession* aSession,

            const IDataObserver* aObserver,

            const CCaInnerNotifierFilter* aInnerNotifierFilter );

    /**

     * Create subsession.

     */

    void CreateL();

    /**

     * Close subsession

     */

    void Close();

    /**

     * Sends request for notification reqistering.

     * @param aStatus status.

     */

    void RegisterForNotificationsL( TRequestStatus& aStatus ) const;

    /**

     * Send request for notification unregistering.

     */

    void UnregisterForNotifications() const;

    /**

     * Sends request for getting change information.

     */

    void GetChangeInfoAndNotifyObserverL() const;

private:

    /**

     * Notify observer.

     * @param aEntry pointer to inner entry.

     * @param aChangeType change type.

     */

    void NotifyObserver(

            CCaInnerEntry* aEntry,

            TChangeType aChangeType ) const;

private:

    /**

     * Not own.

     */

    const RCaClientNotifierSession* iSession;

    /**

     * Not own.

     */

    const IDataObserver* iObserver;

    /**

     * Not own.

     */

    const CCaInnerNotifierFilter* iInnerNotifierFilter;

    /**

     * Own.

     */

    CCaClientNotifier* iNotifier;

    /**

     * Own.

     */

    TPckgBuf<TInt>* iMessageSize;

    };

#endif /* CACLIENTSUBSESSION_H_ */