// 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:

//

/**

 @file

 @internalTechnology

*/

#include <f32file.h>

#include <centralrepository.h>

#include <mtp/cmtptypefile.h>

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mmtpobjectmgr.h>

#include <mtp/mmtpstoragemgr.h>

#include <mtp/mtpprotocolconstants.h>

#include <mtp/tmtptyperequest.h>

#include "cmtpimagedpgetobject.h"

#include "mtpimagedppanic.h"

#include "cmtpimagedp.h"

#include "mtpimagedpconst.h"

#include "mtpimagedputilits.h"

/**

Verification data for the GetNumObjects request

*/

const TMTPRequestElementInfo KMTPGetObjectPolicy[] = 

    {

        {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFile, 0, 0, 0}

    };

/**

Two-phase construction method

@param aPlugin	The data provider plugin

@param aFramework	The data provider framework

@param aConnection	The connection from which the request comes

@return a pointer to the created request processor object

*/     

MMTPRequestProcessor* CMTPImageDpGetObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, CMTPImageDataProvider& aDataProvider)

    {

    CMTPImageDpGetObject* self = new (ELeave) CMTPImageDpGetObject(aFramework, aConnection, aDataProvider);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

/**

Destructor

*/	

CMTPImageDpGetObject::~CMTPImageDpGetObject()

    {

    delete iFileObject;

    }

/**

Standard c++ constructor

*/	

CMTPImageDpGetObject::CMTPImageDpGetObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, CMTPImageDataProvider& aDataProvider) : 

    CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetObjectPolicy),

    iFramework(aFramework),

    iDataProvider(aDataProvider)

    {

    }

/**

Second-phase constructor.

*/        

void CMTPImageDpGetObject::ConstructL()

    {

    }

TMTPResponseCode CMTPImageDpGetObject::CheckRequestL()

    {    

    TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();

    TUint32 handle(Request().Uint32(TMTPTypeRequest::ERequestParameter1));

    if ( handle != KMTPHandleAll )

        {

        CMTPObjectMetaData* ObjectMeta = CMTPObjectMetaData::NewL();

        responseCode = MTPImageDpUtilits::VerifyObjectHandleL(

                iFramework, handle, *ObjectMeta);

        delete ObjectMeta;

        }

    return responseCode;

    }

/**

GetObject request handler

*/		

void CMTPImageDpGetObject::ServiceL()

    {

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

    //does not take ownership    

    CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle);

    __ASSERT_DEBUG(objectInfo, Panic(EMTPImageDpObjectNull));

    BuildFileObjectL(objectInfo->DesC(CMTPObjectMetaData::ESuid));

    SendDataL(*iFileObject);    

    }

/**

Build the file object data set for the file requested

@param aFileName	The file name of the requested object

*/

void CMTPImageDpGetObject::BuildFileObjectL(const TDesC& aFileName)

    {

    delete iFileObject;

    iFileObject = NULL;

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

    }

TBool CMTPImageDpGetObject::DoHandleCompletingPhaseL()

    {

    /**

     * end-user does not cancel the operation, we think the getobject operation is successful.

     */

    if (!iCancelled)

        {

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

        CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle);    

        if (MTPImageDpUtilits::IsNewPicture(*objectInfo))

            {       

            //update new picture status            

            MTPImageDpUtilits::UpdateObjectStatusToOldL(iFramework, *objectInfo);

            iDataProvider.ResetNewPictures();

            }

        }

    return CMTPRequestProcessor::DoHandleCompletingPhaseL();

    }