// 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/cmtpsvcgetobjectproplist.cpp
#include <mtp/cmtpobjectmetadata.h>
#include <mtp/cmtptypeobjectproplist.h>
#include <mtp/mmtpdataproviderframework.h>
#include <mtp/mmtpobjectmgr.h>
#include <mtp/mtpdatatypeconstants.h>
#include "cmtpsvcgetobjectproplist.h"
#include "mtpsvcdpconst.h"
#include "mmtpservicedataprovider.h"
#include "mmtpsvcobjecthandler.h"
// Class constants.
__FLOG_STMT(_LIT8(KComponent,"SvcGetObjPL");)
EXPORT_C MMTPRequestProcessor* CMTPSvcGetObjectPropList::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, MMTPServiceDataProvider& aDataProvider)
{
CMTPSvcGetObjectPropList* self = new (ELeave) CMTPSvcGetObjectPropList(aFramework, aConnection, aDataProvider);
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop(self);
return self;
}
EXPORT_C CMTPSvcGetObjectPropList::~CMTPSvcGetObjectPropList()
{
__FLOG(_L8("~CMTPSvcGetObjectPropList - Entry"));
delete iPropertyList;
delete iReceivedObjectMetaData;
iObjectHandles.Close();
__FLOG(_L8("~CMTPSvcGetObjectPropList - Exit"));
__FLOG_CLOSE;
}
CMTPSvcGetObjectPropList::CMTPSvcGetObjectPropList(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, MMTPServiceDataProvider& aDataProvider) :
CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
iError(KErrNone),
iDataProvider(aDataProvider),
iResponseCode(EMTPRespCodeOK)
{
}
void CMTPSvcGetObjectPropList::ConstructL()
{
__FLOG_OPEN(KMTPSubsystem, KComponent);
__FLOG(_L8("ConstructL - Entry"));
iPropertyList = CMTPTypeObjectPropList::NewL();
__FLOG(_L8("ConstructL - Exit"));
}
TMTPResponseCode CMTPSvcGetObjectPropList::CheckRequestL()
{
__FLOG(_L8("CheckRequestL - Entry"));
TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
if (EMTPRespCodeOK == responseCode)
{
responseCode = CheckObjectHandleAndFormatL();
}
if (EMTPRespCodeOK == responseCode)
{
responseCode = CheckDepth();
}
__FLOG_VA((_L8("CheckRequestL - Exit with responseCode = 0x%04X"), responseCode));
return responseCode;
}
TMTPResponseCode CMTPSvcGetObjectPropList::CheckObjectHandleAndFormatL()
{
__FLOG(_L8("CheckObjectHandleAndFormatL - Entry"));
TMTPResponseCode responseCode = EMTPRespCodeOK;
TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
TUint32 formatCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
iPropCode = Request().Uint32(TMTPTypeRequest::ERequestParameter3);
iReceivedObjectMetaData = CMTPObjectMetaData::NewL();
// Object is a specified handle
if (objectHandle != KMTPHandleAll && objectHandle != KMTPHandleAllRootLevel)
{
MMTPObjectMgr& objects(iFramework.ObjectMgr());
//Check whether object handle is valid
if (objects.ObjectL(objectHandle, *iReceivedObjectMetaData))
{
if (iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EDataProviderId) != iFramework.DataProviderId())
{
responseCode = EMTPRespCodeInvalidObjectHandle;
__FLOG(_L8("CheckRequestL - DataProviderId dismatch"));
}
else
{
// If handle is ok, ignore format code parameter
formatCode = iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EFormatCode);
iObjectHandler = iDataProvider.ObjectHandler(formatCode);
if (!iObjectHandler)
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
else
{
responseCode = CheckPropertyCodeForFormatL(formatCode);
}
}
}
else
{
responseCode = EMTPRespCodeInvalidObjectHandle;
}
}
// If object handle is 0x0000000 or 0xFFFFFFFF
else
{
// A formatCode value of 0x00000000 indicates that this parameter is not being used and properties
// of all Object Formats are desired.
if (formatCode != KMTPNotSpecified32)
{
iObjectHandler = iDataProvider.ObjectHandler(formatCode);
if (!iObjectHandler)
{
responseCode = EMTPRespCodeSpecificationByFormatUnsupported;
}
else
{
responseCode = CheckPropertyCodeForFormatL(formatCode);
}
}
}
__FLOG_VA((_L8("CheckObjectHandleAndFormatL - Exit with response code = 0x%04X"), responseCode));
return responseCode;
}
TMTPResponseCode CMTPSvcGetObjectPropList::CheckPropertyCodeForFormatL(TUint32 aFormatCode) const
{
__FLOG(_L8("CheckPropertyCodeForFormatL - Entry"));
TMTPResponseCode responseCode = EMTPRespCodeOK;
if (iPropCode != KMTPObjectPropCodeAll && iPropCode != KMTPNotSpecified32)
{
if (!iDataProvider.IsValidObjectPropCodeL(aFormatCode, iPropCode))
{
responseCode = EMTPRespCodeInvalidObjectPropCode;
}
}
__FLOG_VA((_L8("CheckPropertyCodeForFormatL - Exit with response code = 0x%04X"), responseCode));
return responseCode;
}
/**
Ensures that the requested object depth is one we support.
@return EMTPRespCodeOK, or EMTPRespCodeSpecificationByDepthUnsupported if the depth is unsupported
*/
TMTPResponseCode CMTPSvcGetObjectPropList::CheckDepth() const
{
__FLOG(_L8("CheckDepth - Entry"));
TMTPResponseCode responseCode = EMTPRespCodeSpecificationByDepthUnsupported;
// Support depth 0 or 1 or 0xFFFFFFFF
TUint32 handle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
TUint32 depth = Request().Uint32(TMTPTypeRequest::ERequestParameter5);
if (depth == 0 || depth == 1 || depth == KMTPHandleNoParent)
{
responseCode = EMTPRespCodeOK;
}
__FLOG_VA((_L8("CheckDepth - Exit with response code = 0x%04X"), responseCode));
return responseCode;
}
void CMTPSvcGetObjectPropList::ServiceL()
{
__FLOG(_L8("ServiceL - Entry"));
TUint32 handle(Request().Uint32(TMTPTypeRequest::ERequestParameter1));
TUint32 formatCode(Request().Uint32(TMTPTypeRequest::ERequestParameter2));
TUint32 depth(Request().Uint32(TMTPTypeRequest::ERequestParameter5));
iGroupId = Request().Uint32(TMTPTypeRequest::ERequestParameter4);
// Get all objects or root objects
if (handle == KMTPHandleAll || handle == KMTPHandleAllRootLevel)
{
// For service DP, the two cases are the same, need all handles with format code.
RMTPObjectMgrQueryContext context;
CleanupClosePushL(context);
do
{
TUint32 storageId = iDataProvider.StorageId();
TMTPObjectMgrQueryParams params(storageId, formatCode, KMTPHandleNoParent);
iFramework.ObjectMgr().GetObjectHandlesL(params, context, iObjectHandles);
}
while (!context.QueryComplete());
CleanupStack::PopAndDestroy(&context);
iHandleIndex = 0;
CompleteSelf(KErrNone);
}
else
{
GetObjectPropertyHelperL();
SendDataL(*iPropertyList);
}
__FLOG(_L8("ServiceL - Exit"));
}
/**
Handle the response phase of the current request
@return EFalse
*/
TBool CMTPSvcGetObjectPropList::DoHandleResponsePhaseL()
{
__FLOG(_L8("DoHandleResponsePhaseL - Entry"));
TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : iResponseCode);
SendResponseL(responseCode);
__FLOG_VA((_L8("DoHandleResponsePhaseL - Exit with response code = 0x%04X"), responseCode));
return EFalse;
}
void CMTPSvcGetObjectPropList::RunL()
{
__FLOG(_L8("RunL - Entry"));
__FLOG_VA((_L8("the number of objects to be queried is %d, iHandleIndex is %d"), iObjectHandles.Count(), iHandleIndex));
TInt count = iObjectHandles.Count();
const TUint32 granularity = iDataProvider.OperationGranularity();
for (TInt i = 0; iHandleIndex < count && i < granularity; i++)
{
TUint handle = iObjectHandles[iHandleIndex++];
iFramework.ObjectMgr().ObjectL(handle, *iReceivedObjectMetaData);
// Process for each object
TUint16 formatCode = iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EFormatCode);
iObjectHandler = iDataProvider.ObjectHandler(formatCode);
if (iObjectHandler)
{
GetObjectPropertyHelperL();
}
else
{
// An unsupport object got from object mgr.
iResponseCode = EMTPRespCodeInvalidObjectHandle;
}
__FLOG_VA((_L8("Get a object property list, SUID:%S, response code: 0x%4x"), &(iReceivedObjectMetaData->DesC(CMTPObjectMetaData::ESuid)), iResponseCode));
}
if (iHandleIndex >= count)
{
ProcessFinalPhaseL();
}
else
{
CompleteSelf(KErrNone);
}
__FLOG(_L8("RunL - Exit"));
}
TInt CMTPSvcGetObjectPropList::RunError(TInt aError)
{
__FLOG(_L8("RunError - Entry"));
CompleteSelf(aError);
__FLOG(_L8("RunError - Exit"));
return KErrNone;
}
/**
Complete myself
*/
void CMTPSvcGetObjectPropList::CompleteSelf(TInt aError)
{
__FLOG(_L8("CompleteSelf - Entry"));
SetActive();
TRequestStatus* status = &iStatus;
*status = KRequestPending;
User::RequestComplete(status, aError);
__FLOG(_L8("CompleteSelf - Exit"));
}
/**
Signal to the initiator that the deletion operation has finished with or without error
*/
void CMTPSvcGetObjectPropList::ProcessFinalPhaseL()
{
__FLOG(_L8("ProcessFinalPhaseL - Entry"));
SendDataL(*iPropertyList);
__FLOG(_L8("ProcessFinalPhaseL - Exit"));
}
void CMTPSvcGetObjectPropList::GetObjectPropertyHelperL()
{
if (iPropCode == KMTPObjectPropCodeAll)
{
// A value of 0xFFFFFFFF indicates that all properties are requested except those
// with a group code of 0xFFFFFFFF
iGroupId = 0; // Get all object prop codes
}
if (iPropCode == KMTPNotSpecified32 || iPropCode == KMTPObjectPropCodeAll)
{
// A value of 0x00000000 in the third parameter indicates that the fourth
// parameter should be used
RArray<TUint32> objectPropCodes;
CleanupClosePushL(objectPropCodes);
iResponseCode = iObjectHandler->GetAllObjectPropCodeByGroupL(iGroupId, objectPropCodes);
if (iResponseCode == EMTPRespCodeOK)
{
TInt count = objectPropCodes.Count();
for (TInt i = 0; i < count && iResponseCode == EMTPRespCodeOK; i++)
{
iResponseCode = iObjectHandler->GetObjectPropertyL(*iReceivedObjectMetaData, objectPropCodes[i], *iPropertyList);
}
}
CleanupStack::PopAndDestroy(&objectPropCodes);
}
else
{
// Get one prop info into objectproplist.
iResponseCode = iObjectHandler->GetObjectPropertyL(*iReceivedObjectMetaData, iPropCode, *iPropertyList);
}
}