// 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);

		}

	}