// 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 <bautils.h>  // FileExists

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/cmtptypeopaquedata.h>

#include <thumbnailmanager.h>

#include "cmtpimagedpgetthumb.h"

#include "mtpimagedppanic.h"

#include "mtpimagedputilits.h"

#include "cmtpimagedpthumbnailcreator.h"

#include "cmtpimagedpobjectpropertymgr.h"

#include "cmtpimagedp.h"

// Class constants.

__FLOG_STMT(_LIT8(KComponent,"ImageDpGetThumb");)

/**

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

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

/**

Destructor

*/	

CMTPImageDpGetThumb::~CMTPImageDpGetThumb()

    {

    __FLOG(_L8(">> CMTPImageDpGetThumb::~CMTPImageDpGetThumb"));

    delete iThumb;    

    delete iObjectMeta;

    __FLOG(_L8("<< CMTPImageDpGetThumb::~CMTPImageDpGetThumb"));

    __FLOG_CLOSE;

    }

/**

Standard c++ constructor

*/	

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

    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),imgDp(aDataProvider)

    {

    }

/**

Second-phase constructor.

*/        

void CMTPImageDpGetThumb::ConstructL()

    {

    __FLOG_OPEN(KMTPSubsystem, KComponent);

    __FLOG(_L8("CMTPImageDpGetThumb::ConstructL"));

    iThumb = CMTPTypeOpaqueData::NewL();    

    iObjectMeta = CMTPObjectMetaData::NewL();

    __FLOG(_L8("CMTPImageDpGetThumb::ConstructL"));

    }

TMTPResponseCode CMTPImageDpGetThumb::CheckRequestL()

    {

    __FLOG(_L8(">> CMTPImageDpGetThumb::CheckRequestL"));

    TMTPResponseCode result = MTPImageDpUtilits::VerifyObjectHandleL(iFramework, Request().Uint32(TMTPTypeRequest::ERequestParameter1), *iObjectMeta);

    __FLOG(_L8("<< CMTPImageDpGetThumb::CheckRequestL"));

    return result;	

    }

/**

GetObject request handler

*/

void CMTPImageDpGetThumb::ServiceL()

    {

    __FLOG(_L8(">> CMTPImageDpGetThumb::ServiceL"));

    TInt err = KErrNone;

    //at first, try to query thumbnail from property manager

    HBufC8* thumbnailData = imgDp.PropertyMgr().Thumbnail(iObjectMeta->Uint(CMTPObjectMetaData::EHandle));

    if (thumbnailData == NULL)

        {

        __FLOG(_L8("CMTPImageDpGetThumb::ServiceL-  fail to query thumbnail from cache"));

        TEntry fileEntry;

        User::LeaveIfError(iFramework.Fs().Entry(iObjectMeta->DesC(CMTPObjectMetaData::ESuid), fileEntry));

            {

            }

        }

    SendDataL(*iThumb);

    __FLOG(_L8("<< CMTPImageDpGetThumb::ServiceL"));

    }

TBool CMTPImageDpGetThumb::DoHandleCompletingPhaseL()

    {

    return CMTPRequestProcessor::DoHandleCompletingPhaseL();

    }

// End Of File