// Copyright (c) 2008-2009 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:
// mw/remoteconn/mtpfws/mtpfw/dataproviders/dputility/src/cmtpsvcdeleteobjectproplist.cpp
#include <mtp/mmtpdataproviderframework.h>
#include <mtp/mmtpobjectmgr.h>
#include <mtp/cmtpobjectmetadata.h>
#include <mtp/cmtptypedeleteobjectproplist.h>
#include <mtp/tmtptypedatapair.h>
#include "cmtpsvcdeleteobjectproplist.h"
#include "mmtpservicedataprovider.h"
#include "mmtpsvcobjecthandler.h"
// Class constants.
__FLOG_STMT(_LIT8(KComponent,"SvcDelObjPropList");)
EXPORT_C MMTPRequestProcessor* CMTPSvcDeleteObjectPropList::NewL(MMTPDataProviderFramework& aFramework,
MMTPConnection& aConnection,
MMTPServiceDataProvider& aDataProvider)
{
CMTPSvcDeleteObjectPropList* self = new (ELeave) CMTPSvcDeleteObjectPropList(aFramework, aConnection, aDataProvider);
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop(self);
return self;
}
EXPORT_C CMTPSvcDeleteObjectPropList::~CMTPSvcDeleteObjectPropList()
{
__FLOG(_L8("~CMTPSvcDeleteObjectPropList - Entry"));
delete iPropertyList;
delete iReceivedObjectMetaData;
__FLOG(_L8("~CMTPSvcDeleteObjectPropList - Exit"));
__FLOG_CLOSE;
}
CMTPSvcDeleteObjectPropList::CMTPSvcDeleteObjectPropList(MMTPDataProviderFramework& aFramework,
MMTPConnection& aConnection,
MMTPServiceDataProvider& aDataProvider) :
CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
iDataProvider(aDataProvider)
{
}
void CMTPSvcDeleteObjectPropList::ConstructL()
{
__FLOG_OPEN(KMTPSubsystem, KComponent);
__FLOG(_L8("ConstructL - Entry"));
iPropertyList = CMTPTypeDeleteObjectPropList::NewL();
__FLOG(_L8("ConstructL - Exit"));
}
TMTPResponseCode CMTPSvcDeleteObjectPropList::CheckRequestL()
{
__FLOG(_L8("CheckRequestL - Entry"));
TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
if (EMTPRespCodeOK == responseCode)
{
TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
iReceivedObjectMetaData = CMTPObjectMetaData::NewL();
// Check object handle
if (objectHandle != KMTPHandleAll)
{
MMTPObjectMgr& objMgr(iFramework.ObjectMgr());
// Check whether object handle is valid
if (objMgr.ObjectL(objectHandle, *iReceivedObjectMetaData))
{
// Check whether the owner of this object is correct service data provider
if (iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EDataProviderId) != iFramework.DataProviderId())
{
responseCode = EMTPRespCodeInvalidObjectHandle;
__FLOG(_L8("CheckRequestL - DataProviderId dismatch"));
}
else
{
// Check format code
TUint16 formatCode = iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EFormatCode);
if (!iDataProvider.ObjectHandler(formatCode))
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
}
}
else
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
}
else
{
iReceivedObjectMetaData->SetUint(CMTPObjectMetaData::EHandle, KMTPHandleAll);
}
}
__FLOG_VA((_L8("CheckRequestL - Exit with responseCode = 0x%04X"), responseCode));
return responseCode;
}
void CMTPSvcDeleteObjectPropList::ServiceL()
{
__FLOG(_L8("ServiceL - Entry"));
ReceiveDataL(*iPropertyList);
__FLOG(_L8("ServiceL - Exit"));
}
TBool CMTPSvcDeleteObjectPropList::DoHandleResponsePhaseL()
{
__FLOG(_L8("DoHandleResponsePhaseL - Entry"));
TUint32 parameter(0);
TMTPResponseCode responseCode = EMTPRespCodeOK;
responseCode = DeleteObjectPropListL(*iReceivedObjectMetaData, *iPropertyList, parameter);
SendResponseL(responseCode, 1, ¶meter);
__FLOG_VA((_L8("DeleteObjectPropListL responseCode = 0x%x, failed index = %u"), responseCode, parameter));
return EFalse;
}
TBool CMTPSvcDeleteObjectPropList::HasDataphase() const
{
return ETrue;
}
TMTPResponseCode CMTPSvcDeleteObjectPropList::DeleteObjectPropListL(CMTPObjectMetaData& aObjectMetaData,
const CMTPTypeDeleteObjectPropList& aPropList,
TUint32& aParameter)
{
__FLOG(_L8("DeleteObjectPropList- Entry"));
TMTPResponseCode responseCode = EMTPRespCodeOK;
TUint handle = aObjectMetaData.Uint(CMTPObjectMetaData::EHandle);
MMTPSvcObjectHandler* lastHandler = NULL;
TUint errIndex = 0;
if (handle == KMTPHandleAll)
{
TUint32 lastHandle = 0;
// In this case, all object handles specified in the dataset, can be multiple objects
const TUint count(aPropList.NumberOfElements());
CMTPObjectMetaData* objectMetaData = CMTPObjectMetaData::NewL();
CleanupStack::PushL(objectMetaData);
for (TUint i = 0; i < count; i++)
{
TMTPTypeDataPair& element = aPropList.ElementL(i);
TUint32 handle = element.Uint32(TMTPTypeDataPair::EOwnerHandle);
// Get object handle every time for multiple objects.
if (iFramework.ObjectMgr().ObjectL(handle, *objectMetaData))
{
TUint16 formatCode = objectMetaData->Uint(CMTPObjectMetaData::EFormatCode);
TUint16 propCode = element.Uint16(TMTPTypeDataPair::EDataCode);
MMTPSvcObjectHandler* pHandler = iDataProvider.ObjectHandler(formatCode);
if (pHandler)
{
// If the handler is not the last handle, need commit all properties now
if (lastHandle != 0 && lastHandler && lastHandle != handle)
{
// Performance can be improved here
TRAPD(err, lastHandler->CommitL());
if (KErrNone != err)
{
lastHandler->RollBack();
responseCode = EMTPRespCodeInvalidObjectHandle;
aParameter = errIndex;
break;
}
// Record the next segment's first index number
errIndex = i;
}
lastHandler = pHandler;
lastHandle = handle;
responseCode = pHandler->DeleteObjectPropertyL(*objectMetaData, propCode);
}
else
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
}
else
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
if (responseCode != EMTPRespCodeOK)
{
aParameter = i;
// All properties prior to the failed property will be updated.
if (i != errIndex && lastHandler)
{
TRAPD(err, lastHandler->CommitL());
if (KErrNone != err)
{
lastHandler->RollBack();
aParameter = errIndex;
}
}
break;
}
}
CleanupStack::PopAndDestroy(objectMetaData);
}
else
{
// The element object handle fields should be either 0x00000000 or match with parameter 1.
TUint16 formatCode = aObjectMetaData.Uint(CMTPObjectMetaData::EFormatCode);
const TUint count(aPropList.NumberOfElements());
for (TUint i = 0; i < count; i++)
{
TMTPTypeDataPair& element = aPropList.ElementL(i);
TUint32 handle = element.Uint32(TMTPTypeDataPair::EOwnerHandle);
// Check dataset according to spec
if (handle != aObjectMetaData.Uint(CMTPObjectMetaData::EHandle) && handle != KMTPHandleNone)
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
else
{
TUint16 propCode = element.Uint16(TMTPTypeDataPair::EDataCode);
MMTPSvcObjectHandler* pHandler = iDataProvider.ObjectHandler(formatCode);
if (pHandler)
{
responseCode = pHandler->DeleteObjectPropertyL(aObjectMetaData, propCode);
if (!lastHandler)
{
lastHandler = pHandler;
}
}
else
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
}
if (responseCode != EMTPRespCodeOK)
{
aParameter = i;
if (i != 0 && lastHandler)
{
TRAPD(err, lastHandler->CommitL());
if (KErrNone != err)
{
lastHandler->RollBack();
aParameter = errIndex;
}
}
break;
}
}
}
// Commint for each case
if (responseCode == EMTPRespCodeOK && lastHandler)
{
TRAPD(err, lastHandler->CommitL());
if (KErrNone != err)
{
lastHandler->RollBack();
responseCode = EMTPRespCodeInvalidObjectHandle;
aParameter = errIndex;
}
}
__FLOG_VA((_L8("DeleteObjectPropList - Exit with responseCode = 0x%04X"), responseCode));
return responseCode;
}