/*

* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:    Observer VoD content downloading*

*/

#ifndef CIPTVVODCONTENTUPDATEOBSERVER_H

#define CIPTVVODCONTENTUPDATEOBSERVER_H

// INCLUDES

#include <e32std.h>

// FORWARD DECLARATIONS

class MIptvVodContentClientObserver;

class RIptvClientSession;

/**

*  VoD ECG content API

*

*  @lib IptvClientApi.lib

*  @since Engine 1.0

*/

// CLASS DECLARATION

class CIptvVodContentUpdateObserver : public CActive

    {

    public:

        /**

         * Two-phased constructor.

         * @param 

         */

        IMPORT_C static CIptvVodContentUpdateObserver* NewL(MIptvVodContentClientObserver& aObserver, RIptvClientSession& aSession, TIptvServiceId aServiceId);

        /**

         * Destructor.

         */

        virtual ~CIptvVodContentUpdateObserver();

    public:

        /**

         * Handles an active object’s request completion event.

         */

        void RunL();

        /**

         * Implements cancellation of an outstanding request.

         */

        void DoCancel();

    private: // New functions           

        /**

        * C++ default constructor.

        */

        CIptvVodContentUpdateObserver(MIptvVodContentClientObserver& aObserver, RIptvClientSession& aSession, TIptvServiceId aServiceId);

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param 

        */

        void ConstructL();

    private:

        /**

        * Send observer request to server.

        */

        void SendObserverRequestL();

    private: // Data members

        /**

        * Reference to MIptvVodContentClientObserver.

        */

        MIptvVodContentClientObserver& iObserver;

        /**

        * Reference to RIptvClientSession.

        */

        RIptvClientSession& iSession;

        /**

        * iObserverMsg Heap object to restore memory for IPC messaging.

        */

        HBufC8* iObserverMsg;

        /**

        * iObserverMsgPtr Passed to RIptvClientSession object to store the sent and received data.

        * Points to iData heap object.

        */

        TPtr8 iObserverMsgPtr;

        /**

        * Service id.

        */

        TIptvServiceId iServiceId;

    };

#endif  // CIPTVVODCONTENTUPDATEOBSERVER_H