/*

* Copyright (c) 2005 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: 

*      Declaration of class RFotaSaver.   

*      

*

*/

#ifndef FOTA_SAVER_H

#define FOTA_SAVER_H

// INCLUDE FILES

#include <e32base.h>

#include <fotaengine.h>

#include "CodSaver.h"

// CLASS DECLARATION

/**

* FOTA saver. FOTA update package is downloaded to dedicated FOTA store.

* Installation is do-nothing (COD just downloads).

*/

NONSHARABLE_CLASS( CFotaSaver ): public CCodSaver

    {

    public:     // Construct / destruct

        /**

        * Two phase constructor. Leaves on failure.

        * @param aType Data type.

        * @param aPkgId FOTA package id.

        * @return The constructed response.

        */      

        static CFotaSaver* NewL( const TDesC8& aType, TInt aPkgId );

        /**

        * Destructor.

        */

        virtual ~CFotaSaver();

    public:     // from CCodSaver

        /**

        * Open temporary store for download.

        */

        virtual void OpenStoreL();

        /**

        * Append data to store.

        * @param aData Data to append.

        * @return Error code.

        */

        virtual TInt AppendData( const TDesC8& aData );

        /**

        * Download finished, close temporary store.

        */

        virtual void CloseStore();

        /**

        * Check if attributes of received content match descriptor data.

        * Leaves with KErrCodAttributeMismatch in case of mismatch.

        * @param aData Data to match.

        */

        virtual void CheckResponseAttributesL( const CCodData& aData );

        /**

        * Install downloaded content.

        * @param aStatus Completes when done.

        * @param aName Preferred name.

        */

        virtual void InstallL( TRequestStatus* aStatus, const TDesC& aName, const TBool aAttached );

        /**

        * BulkInstallL - No support for FOTA

        */

        virtual void BulkInstallL( TRequestStatus* /*aStatus*/, const CCodData &/*aData*/, const TBool /*aAttached*/ ){}

        /**

        * Cancel installation.

        */

        virtual void CancelInstall();

        /**

        * Release content (take ownership of content from saver).

        * @param aFname File name of content returned here.

        * @param aHandler Handler UID returned here.

        */

        virtual void ReleaseContent( TFileName& aFname, TUid& aHandler );

        /**

        * Get the downloaded file size.

        */

        virtual TInt DownloadedFileSize();

        /**

        * Discard the old contents

        */        

        virtual void ResetL();

        /**

        * Clean up.

        */

        virtual void Cleanup( TBool aDeleteFile  );        

        /**

        * Release file name (take ownership of content from saver).

        * @param aFname File name of content returned here.

        */

        virtual void ReleaseFileName( TFileName& aFname );

    protected:  // Construct / destruct

        /**

        * Constructor.

        * @param aType Data type.

        * @param aPkgId FOTA package id.

        */      

        CFotaSaver( const TDesC8& aType, TInt aPkgId );

    private:    // data

        RFotaEngineSession iEng;    ///< FOTA Engine. Owned.

        RWriteStream* iStore;       ///< FOTA Store. Not owned.

        TInt iPkgId;                ///< FOTA package id.

    };

#endif /* def FOTA_SAVER_H */