/*

* Copyright (c) 2009 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:  Implement the operation: GetObject

*

*/

#include <mtp/cmtptypefile.h>

#include "cgetobject.h"

#include "mmmtpdputility.h"

#include "mmmtpdplogger.h"

// -----------------------------------------------------------------------------

// Verification data for the GetNumObjects request

// -----------------------------------------------------------------------------

//

const TMTPRequestElementInfo KMTPGetObjectPolicy[] =

    {

        {

        TMTPTypeRequest::ERequestParameter1,

        EMTPElementTypeObjectHandle,

        EMTPElementAttrFile,

        0,

        0,

        0

        }

    };

// -----------------------------------------------------------------------------

// CGetObject::NewL

// Two-phase construction method

// -----------------------------------------------------------------------------

//

EXPORT_C MMmRequestProcessor* CGetObject::NewL( MMTPDataProviderFramework& aFramework,

    MMTPConnection& aConnection,

    MMmMtpDpConfig& /*aDpConfig*/ )

    {

    CGetObject* self = new ( ELeave ) CGetObject( aFramework, aConnection );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

// CGetObject::ConstructL

// Two-phase construction method

// -----------------------------------------------------------------------------

//

void CGetObject::ConstructL()

    {

    }

// -----------------------------------------------------------------------------

// CGetObject::~CGetObject

// Destructor

// -----------------------------------------------------------------------------

//

EXPORT_C CGetObject::~CGetObject()

    {

    PRINT( _L( "MM MTP => CGetObject::~CGetObject" ) );

    delete iFileObject;

    PRINT( _L( "MM MTP <= CGetObject::~CGetObject" ) );

    }

// -----------------------------------------------------------------------------

// CGetObject::CGetObject

// Standard c++ constructor

// -----------------------------------------------------------------------------

//

CGetObject::CGetObject( MMTPDataProviderFramework& aFramework,

    MMTPConnection& aConnection ) :

        CRequestProcessor( aFramework,

            aConnection,

            sizeof( KMTPGetObjectPolicy ) / sizeof( TMTPRequestElementInfo ),

            KMTPGetObjectPolicy ),

        iError( EMTPRespCodeOK )

    {

    PRINT( _L( "Operation: GetObject(0x1009)" ) );

    }

// -----------------------------------------------------------------------------

// CGetObject::ServiceL

// GetObject request handler

// -----------------------------------------------------------------------------

//

void CGetObject::ServiceL()

    {

    PRINT( _L( "MM MTP => CGetObject::ServiceL" ) );

    MmMtpDpUtility::SetPSStatus(EMtpPSStatusActive);

    // Get the objectinfo

    TUint32 objectHandle = Request().Uint32( TMTPTypeRequest::ERequestParameter1 );

    PRINT1( _L( "MM MTP <> CGetObject::ServiceL objectHandle = 0x%x" ), objectHandle );

    // NOTE: shouldn't be deleted in destructor, don't have the ownership

    iObjectInfo = iRequestChecker->GetObjectInfo( objectHandle );

    if ( iObjectInfo != NULL )

        {

        // Get the file

        GetObjectL( iObjectInfo->DesC( CMTPObjectMetaData::ESuid  ) );

        // Send the data (file)

        SendDataL( *iFileObject );

        }

    else

        {

        // The object handle has already been checked, so an invalid handle can

        // only occur if it was invalidated during a context switch between

        // the validation time and now.

        iError = EMTPRespCodeInvalidObjectHandle;

        }

    PRINT1( _L( "MM MTP <= CGetObject::ServiceL iError = 0x%x" ), iError );

    }

// -----------------------------------------------------------------------------

// CGetObject::GetObjectL

//

// -----------------------------------------------------------------------------

//

void CGetObject::GetObjectL( const TDesC& aFileName )

    {

    PRINT( _L( "MM MTP => CGetObject::GetObjectL" ) );

    // Create the file object

    delete iFileObject;

    iFileObject = NULL;

    iFileObject = CMTPTypeFile::NewL( iFramework.Fs(), aFileName, EFileRead  );

    PRINT( _L( "MM MTP <= CGetObject::GetObjectL" ) );

    }

// -----------------------------------------------------------------------------

// CGetObject::DoHandleResponsePhaseL

// Handle the response phase of the current request

// -----------------------------------------------------------------------------

//

TBool CGetObject::DoHandleResponsePhaseL()

    {

    PRINT( _L( "MM MTP => CGetObject::DoHandleResponsePhaseL" ) )

    TMTPResponseCode responseCode = ( iCancelled ? EMTPRespCodeIncompleteTransfer : iError );

    SendResponseL( responseCode );

    PRINT1( _L( "MM MTP <= CGetObject::DoHandleResponsePhaseL responseCode = 0x%x" ),  responseCode );

    return EFalse;

    }

// end of file