// 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:

//

#include <f32file.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 "cmtppictbridgedpgetobject.h"

#include "cmtppictbridgeprinter.h"

#include "mtppictbridgedppanic.h"

#include "cmtprequestchecker.h"

#include "cptpserver.h"

/**

Verification data for the GetNumObjects request

*/

const TMTPRequestElementInfo KMTPGetObjectPolicy[] = 

    {

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

    };

//=============================================================================

//

//=============================================================================

MMTPRequestProcessor* CMTPPictBridgeDpGetObject::NewL(

	MMTPDataProviderFramework& aFramework,

	MMTPConnection& aConnection,

	CMTPPictBridgeDataProvider& aDataProvider)

    {       

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);         

    return self;

    }

/**

Destructor

*/  

CMTPPictBridgeDpGetObject::~CMTPPictBridgeDpGetObject()

    {   

    __FLOG(_L8("~CMTPPictBridgeDpGetObject"));          

    delete iFileObject;

    __FLOG_CLOSE;

    }

/**

Standard c++ constructor

*/  

CMTPPictBridgeDpGetObject::CMTPPictBridgeDpGetObject(

	MMTPDataProviderFramework& aFramework,

	MMTPConnection& aConnection,

	CMTPPictBridgeDataProvider& aDataProvider): 

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

    iPictBridgeDP(aDataProvider),

    iError(EMTPRespCodeOK)

    {    

    }

/**

Second-phase constructor.

*/        

void CMTPPictBridgeDpGetObject::ConstructL()

    {

    __FLOG_OPEN(KMTPSubsystem, KComponent);

    }

/**

GetObject request handler

*/      

void CMTPPictBridgeDpGetObject::ServiceL()

    {

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

    __ASSERT_DEBUG(iRequestChecker, Panic(EMTPPictBridgeDpRequestCheckNull));

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

    //does not take ownership

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

    if (!objectInfo)

        {

        __FLOG_VA((_L8(">> CMTPPictBridgeDpGetObject::ServiceL no object info for objectHandle %d"), objectHandle));

        // 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;

        iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrBadHandle);

        }

    else

        {

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

        SendDataL(*iFileObject);

        iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrNone);

        }

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

    }

//=============================================================================

//

//=============================================================================

void CMTPPictBridgeDpGetObject::BuildFileObjectL(const TDesC& aFileName)

    {

    __FLOG(_L8(">> CMTPPictBridgeDpGetObject::BuildFileObjectL"));            

    delete iFileObject;

    iFileObject = NULL;

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

    __FLOG(_L8("<< CMTPPictBridgeDpGetObject::BuildFileObjectL"));            

    }

//=============================================================================

//

//=============================================================================

TBool CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL()

    {

    __FLOG(_L8(">> CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL"));            

    TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : iError);

    SendResponseL(responseCode);

    __FLOG(_L8("<< CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL"));

    return EFalse;

    }