/*

* Copyright (c) 2007-2008 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:   CIAUpdateDownloadOperation 

*

*/

#ifndef IA_UPDATE_DOWNLOAD_OPERATION_H

#define IA_UPDATE_DOWNLOAD_OPERATION_H

#include <ncddownloadoperationobserver.h>

#include "iaupdatenormalcontentoperation.h"

class CIAUpdateNode;

/**

 * CIAUpdateDownloadOperation handles downloading of node content.

 */

class CIAUpdateDownloadOperation : public CIAUpdateNormalContentOperation,

                                   public MNcdDownloadOperationObserver

    {

public:

    /**

     * @see CIAUpdateDownloadOperation::CIAUpdateDownloadOperation

     * @return CIAUpdateDownloadOperation* Created object.

     * Ownership is transferred.

     */

    static CIAUpdateDownloadOperation* NewL(

        CIAUpdateNode& aNode,

        MIAUpdateContentOperationObserver& aObserver );

    /**

     * @see CIAUpdateDownloadOperation::NewL

     */ 

    static CIAUpdateDownloadOperation* NewLC(

        CIAUpdateNode& aNode,

        MIAUpdateContentOperationObserver& aObserver );

    /**

     * Destructor

     */

    virtual ~CIAUpdateDownloadOperation();

public: // MNcdDownloadOperationObserver

    /**

     * @see MNcdDownloadOperationObserver::DownloadProgress    

     */

    virtual void DownloadProgress( 

        MNcdDownloadOperation& aOperation, TNcdProgress aProgress );

    /**

     * @see MNcdDownloadOperationObserver::QueryReceived

     */

    virtual void QueryReceived( 

        MNcdDownloadOperation& aOperation, MNcdQuery* aQuery );

    /**

     * @see MNcdDownloadOperationObserver::OperationComplete

     */

    virtual void OperationComplete( 

        MNcdDownloadOperation& aOperation, TInt aError );    

protected: // CIAUpdateNormalContentOperation

    /**

     * @see CIAUpdateContentOperation::HandleContentL

     */ 

    virtual MNcdOperation* HandleContentL();

private:

    // Prevent these if not implemented

    CIAUpdateDownloadOperation( const CIAUpdateDownloadOperation& aObject );

    CIAUpdateDownloadOperation& operator =( const CIAUpdateDownloadOperation& aObject );

    /**

     * @see CIAUpdateNormalContentOperation::CIAUpdateNormalContentOperation

     */

    CIAUpdateDownloadOperation(

        CIAUpdateNode& aNode,

        MIAUpdateContentOperationObserver& aObserver );

    /**

     * ConstructL

     */

    void ConstructL();

    /** 

     * Starts the download operation for given node.

     *

     * @return MNcdOperation* Operation that is started.

     */

    MNcdOperation* DownloadL();

private: // data

    };

#endif // IA_UPDATE_DOWNLOAD_OPERATION_H