// 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>

#include <mtp/cmtptypearray.h>

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mmtpobjectmgr.h>

#include <mtp/mtpprotocolconstants.h>

#include <mtp/mmtpstoragemgr.h>

#include <mtp/tmtptyperequest.h>

#include "cmtpimagedpdeleteobject.h"

#include "mtpimagedpconst.h"

#include "mtpimagedppanic.h"

#include "cmtpimagedpobjectpropertymgr.h"

#include "mtpimagedputilits.h"

#include "cmtpimagedp.h"

// Class constants.

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

/**

 Standard c++ constructor

 */

CMTPImageDpDeleteObject::CMTPImageDpDeleteObject(

        MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,

        CMTPImageDataProvider& aDataProvider) :

    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),

    iDataProvider(aDataProvider),

    iResponseCode( EMTPRespCodeOK )

    {

    __FLOG_OPEN(KMTPSubsystem, KComponent);

    __FLOG(_L8(">> CMTPImageDpDeleteObject"));

    __FLOG(_L8("<< CMTPImageDpDeleteObject"));

    }

/**

 Two-phase construction method

 @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* CMTPImageDpDeleteObject::NewL(

        MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,

        CMTPImageDataProvider& aDataProvider)

    {

    CMTPImageDpDeleteObject* self = new (ELeave) CMTPImageDpDeleteObject(

            aFramework, aConnection, aDataProvider);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

void CMTPImageDpDeleteObject::ConstructL()

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::ConstructL"));

    iObjectMeta = CMTPObjectMetaData::NewL();

    __FLOG(_L8("<< CMTPImageDpDeleteObject::ConstructL"));

    }

/**

 Destructor

 */

CMTPImageDpDeleteObject::~CMTPImageDpDeleteObject()

    {

    __FLOG(_L8("~CMTPImageDpDeleteObject - Entry"));

    Cancel();

    delete iObjectMeta;

    iObjectsToDelete.Close();

    __FLOG(_L8("~CMTPImageDpDeleteObject - Exit"));

    __FLOG_CLOSE;

    }

/**

 Verify the request

 @return EMTPRespCodeOK if request is verified, otherwise one of the error response codes

 */

TMTPResponseCode CMTPImageDpDeleteObject::CheckRequestL()

    {

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

    TMTPResponseCode result = EMTPRespCodeOK;

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

    if ( handle != KMTPHandleAll )

        {

        result = CheckStorageL( handle );

        }

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

    return result;

    }

/**

 DeleteObject request handler

 */

void CMTPImageDpDeleteObject::ServiceL()

    {

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

    //begin to find object

    iObjectsToDelete.Reset();

    iResponseCode = EMTPRespCodeOK;

    iObjectsNotDelete = 0;

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

    TUint32 formatCode( Request().Uint32( TMTPTypeRequest::ERequestParameter2 ));

    // Check to see whether the request is to delete all images or a specific image

    if ( objectHandle == KMTPHandleAll )

        {

        //add for test

        __FLOG(_L8("delete all objects"));

        GetObjectHandlesL( KMTPStorageAll, formatCode, KMTPHandleNone );

        iObjectsNotDelete = iObjectsToDelete.Count();

        StartL();

        }

    else

        {

        //add for test

        __FLOG(_L8("delete only one object"));

        iObjectsNotDelete = 1;

        DeleteObjectL( objectHandle );

        SendResponseL();

        }

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

    }

void CMTPImageDpDeleteObject::RunL()

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::RunL"));

    TInt numObjectsToDelete = iObjectsToDelete.Count();

    if ( numObjectsToDelete > 0 )

        {

        DeleteObjectL( iObjectsToDelete[0] );

        iObjectsToDelete.Remove( 0 );

        }

    // Start the process again to read the next row...

    StartL();

    __FLOG(_L8("<< CMTPImageDpDeleteObject::RunL"));

    }

void CMTPImageDpDeleteObject::DoCancel()

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::DoCancel"));

    TRAP_IGNORE( SendResponseL());

    __FLOG(_L8("<< CMTPImageDpDeleteObject::DoCancel"));

    }

/**

 Check whether the store on which the object resides is read only.

 @return ETrue if the store is read only, EFalse if read-write

 */

TMTPResponseCode CMTPImageDpDeleteObject::CheckStorageL(TUint32 aObjectHandle)

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::CheckStorageL"));

    TMTPResponseCode result = MTPImageDpUtilits::VerifyObjectHandleL(

            iFramework, aObjectHandle, *iObjectMeta);

    if (EMTPRespCodeOK == result)

        {

        TDriveNumber drive= static_cast<TDriveNumber>(iFramework.StorageMgr().DriveNumber(

                                                      iObjectMeta->Uint(CMTPObjectMetaData::EStorageId)));

        User::LeaveIfError(drive);

        TVolumeInfo volumeInfo;

        User::LeaveIfError(iFramework.Fs().Volume(volumeInfo, drive));

        if (volumeInfo.iDrive.iMediaAtt == KMediaAttWriteProtected)

            {

            result = EMTPRespCodeStoreReadOnly;

            }

        }

    __FLOG(_L8("<< CMTPImageDpDeleteObject::CheckStorageL"));

    return result;

    }

void CMTPImageDpDeleteObject::GetObjectHandlesL( TUint32 aStorageId, TUint32 aFormatCode, TUint32 aParentHandle )

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::GetObjectHandlesL"));

    RMTPObjectMgrQueryContext context;

    RArray<TUint> handles;

    TMTPObjectMgrQueryParams params( aStorageId, aFormatCode, aParentHandle, iFramework.DataProviderId());

    CleanupClosePushL( context ); // + context

    CleanupClosePushL( handles ); // + handles

    do

        {

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

        for ( TInt i = 0; i < handles.Count(); i++)

            {

            iObjectsToDelete.Append( handles[i] );

            }

        }

    while ( !context.QueryComplete() );

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

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

    __FLOG(_L8("<< CMTPImageDpDeleteObject::GetObjectHandlesL"));

    }

void CMTPImageDpDeleteObject::DeleteObjectL( TUint32 aHandle )

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::DeleteObjectL"));

    iFramework.ObjectMgr().ObjectL( aHandle, *iObjectMeta);

    iDataProvider.PropertyMgr().SetCurrentObjectL(*iObjectMeta, EFalse);

    TUint16 protectionStatus = EMTPProtectionNoProtection;

    iDataProvider.PropertyMgr().GetPropertyL(EMTPObjectPropCodeProtectionStatus, protectionStatus);

    if(EMTPProtectionNoProtection == protectionStatus)

        {

        TInt err = iFramework.Fs().Delete(iObjectMeta->DesC(CMTPObjectMetaData::ESuid));

        __FLOG_1(_L8("delete file error is %d"), err );

        switch ( err )

            {

            case KErrInUse:

            case KErrAccessDenied:

                //add for test 

                __FLOG_1(_L8("err:%d"), err);

                //add Suid to deleteobjectlist

                iDataProvider.AppendDeleteObjectsArrayL(iObjectMeta->DesC(CMTPObjectMetaData::ESuid));

            case KErrNone:

                //add for test

                __FLOG(_L8("KErrNone"));

                iFramework.ObjectMgr().RemoveObjectL( iObjectMeta->Uint(CMTPObjectMetaData::EHandle ));

                iObjectsNotDelete--;

                iResponseCode = EMTPRespCodePartialDeletion;

                break;

            default:

                //add for test

                __FLOG(_L8("default"));

                User::LeaveIfError( err );

                break;

            }

        }

    else if ( iResponseCode != EMTPRespCodePartialDeletion )

        {

        iResponseCode = EMTPRespCodeObjectWriteProtected;

        }

    __FLOG(_L8("<< CMTPImageDpDeleteObject::DeleteObjectL"));

    }

void CMTPImageDpDeleteObject::StartL()

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::StartL"));

    TInt numObjectsToDelete = iObjectsToDelete.Count();

    if ( numObjectsToDelete > 0 )

        {

        //Set the active object going to delete the file

        TRequestStatus* status = &iStatus;

        User::RequestComplete( status, KErrNone );

        SetActive();

        }

    else

        {

        SendResponseL();

        }

    __FLOG(_L8("<< CMTPImageDpDeleteObject::StartL"));

    }

void CMTPImageDpDeleteObject::SendResponseL()

    {

    __FLOG(_L8(">> CMTPImageDpDeleteObject::SendResponseL"));

    if ( iResponseCode == EMTPRespCodePartialDeletion && iObjectsNotDelete == 0 )

        {

        iResponseCode = EMTPRespCodeOK;

        }

    CMTPRequestProcessor::SendResponseL( iResponseCode );

    __FLOG(_L8("<< CMTPImageDpDeleteObject::SendResponseL"));

    }