// 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 <mtp/mmtpdataproviderframework.h>

#include <mtp/mmtpobjectmgr.h>

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/tmtptypeuint32.h>

#include "cmtpimagedprenameobject.h"

#include "cmtpimagedp.h"

const TInt KMmMtpRArrayGranularity = 4;

const TInt KUpdateThreshold = 30;

const TInt KMaxFileNameLength = 260;

CMTPImageDpRenameObject* CMTPImageDpRenameObject::NewL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider)

    {

    CMTPImageDpRenameObject* self = new ( ELeave ) CMTPImageDpRenameObject(aFramework, aDataProvider);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CMTPImageDpRenameObject::CMTPImageDpRenameObject

// Standard C++ Constructor

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

//

CMTPImageDpRenameObject::CMTPImageDpRenameObject(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider) :

    CActive(EPriorityStandard),

    iFramework(aFramework),

    iDataProvider(aDataProvider),

    iObjectHandles(KMmMtpRArrayGranularity)

    }

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

// CMTPImageDpRenameObject::~CMTPImageDpRenameObject

// destructor

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

//

CMTPImageDpRenameObject::~CMTPImageDpRenameObject()

    {

    Cancel();

    iObjectHandles.Close();

    delete iObjectInfo;

    delete iParentObjectInfo;

    iNewFileName.Close();

    delete iRenameWaiter;

    }

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

// CMTPImageDpRenameObject::StartL

//

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

//

void CMTPImageDpRenameObject::StartL(const TUint32 aParentHandle, const TDesC& /*aOldFolderName*/)

    {

    iObjectHandles.Reset();

    GenerateObjectHandleListL(aParentHandle);

    iCount = iObjectHandles.Count();

    if (iCount > 0)

        {

        iIndex = 0;

        TRequestStatus* status = &iStatus;

        User::RequestComplete( status, iStatus.Int() );

        SetActive();

        iRenameWaiter->Start();

        iObjectHandles.Reset();

        }

    }

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

// CMTPImageDpRenameObject::DoCancel()

// Cancel the rename object process

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

//

void CMTPImageDpRenameObject::DoCancel()

    {

    }

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

// CMTPImageDpRenameObject::RunL

//

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

//

void CMTPImageDpRenameObject::RunL()

    {

    if (iIndex < iCount)

        {

        TInt threshold = KUpdateThreshold;

        for (;iIndex < iCount && threshold > 0; ++iIndex, --threshold)

            {

            if (iFramework.ObjectMgr().ObjectL(iObjectHandles[iIndex], *iObjectInfo))

                {

                //get parent object info

                if (iFramework.ObjectMgr().ObjectL(iObjectInfo->Uint(CMTPObjectMetaData::EParentHandle), *iParentObjectInfo))

                    {                    

                    TParsePtrC objectUri = TParsePtrC(iObjectInfo->DesC(CMTPObjectMetaData::ESuid));

                    TParsePtrC parentUri = TParsePtrC(iParentObjectInfo->DesC(CMTPObjectMetaData::ESuid));

                    iNewFileName.Zero();

                    iNewFileName.Append(parentUri.DriveAndPath());

                    iNewFileName.Append(objectUri.NameAndExt());

                    iNewFileName.Trim();

                    // update framework metadata DB

                    iObjectInfo->SetDesCL(CMTPObjectMetaData::ESuid, iNewFileName);

                    iObjectInfo->SetUint(CMTPObjectMetaData::EObjectMetaDataUpdate, 1);

                    iFramework.ObjectMgr().ModifyObjectL(*iObjectInfo);                  

                    }                

                }         

            }

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status, iStatus.Int());

        SetActive();

        }

    else

        {

        if(iRenameWaiter->IsStarted())

            iRenameWaiter->AsyncStop();

        }

    }

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

// CMTPImageDpRenameObject::RunError

//

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

//

TInt CMTPImageDpRenameObject::RunError( TInt aError )

    {

    if (aError != KErrNone)

    return KErrNone;

    }

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

// CMTPImageDpRenameObject::ConstructL

//

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

//

void CMTPImageDpRenameObject::ConstructL()

    {

    CActiveScheduler::Add( this );

    iObjectInfo = CMTPObjectMetaData::NewL();

    iParentObjectInfo = CMTPObjectMetaData::NewL();

    iNewFileName.CreateL(KMaxFileNameLength);

    iRenameWaiter = new( ELeave ) CActiveSchedulerWait;

    }

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

// CMTPImageDpRenameObject::GenerateObjectHandleListL

//

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

//

void CMTPImageDpRenameObject::GenerateObjectHandleListL(TUint32 aParentHandle)

    {

    RMTPObjectMgrQueryContext context;

    RArray<TUint> handles;

    CleanupClosePushL(context); // + context

    CleanupClosePushL(handles); // + handles

    TMTPObjectMgrQueryParams params(KMTPStorageAll, KMTPFormatsAll, aParentHandle);

    do

        {

        iFramework.ObjectMgr().GetObjectHandlesL(params, context, handles);

        TInt numberOfObjects = handles.Count();

        for (TInt i = 0; i < numberOfObjects; i++)

            {

            if (iFramework.ObjectMgr().ObjectOwnerId(handles[i]) == iFramework.DataProviderId())

                {

                iObjectHandles.AppendL(handles[i]);

                continue;

                }

            // Folder

            // TODO: need to modify, should not know device dp id

            if (iFramework.ObjectMgr().ObjectOwnerId(handles[i]) == 0) // We know that the device dp id is always 0, otherwise the whole MTP won't work.

                {

                GenerateObjectHandleListL(handles[i]);

                }

            }

        }

    while (!context.QueryComplete());

    CleanupStack::PopAndDestroy(&handles); // - handles

    CleanupStack::PopAndDestroy(&context); // - context

    }

//end of file