--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/dputility/src/cmtpsvcdeleteobject.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,267 @@
+// 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/cmtpsvcdeleteobject.cpp
+
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/cmtpobjectmetadata.h>
+#include <mtp/mmtpobjectmgr.h>
+
+#include "cmtpsvcdeleteobject.h"
+#include "mtpdpconst.h"
+#include "mmtpservicedataprovider.h"
+#include "mmtpsvcobjecthandler.h"
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"SvcDeleteObject");)
+
+EXPORT_C MMTPRequestProcessor* CMTPSvcDeleteObject::NewL(MMTPDataProviderFramework& aFramework, 
+												MMTPConnection& aConnection, 
+												MMTPServiceDataProvider& aDataProvider)
+	{
+	CMTPSvcDeleteObject* self = new (ELeave) CMTPSvcDeleteObject(aFramework, aConnection, aDataProvider);
+	return self;
+	}
+
+EXPORT_C CMTPSvcDeleteObject::~CMTPSvcDeleteObject()
+	{
+	__FLOG(_L8("~CMTPSvcDeleteObject - Entry"));
+	iObjectHandles.Close();
+	delete iReceivedObjectMetaData;
+	__FLOG(_L8("~CMTPSvcDeleteObject - Exit"));
+	__FLOG_CLOSE;
+	}
+
+CMTPSvcDeleteObject::CMTPSvcDeleteObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, MMTPServiceDataProvider& aDataProvider) :
+	CMTPRequestProcessor(aFramework, aConnection, 0, NULL), iDataProvider(aDataProvider), iDeleteError(KErrNone)
+	{
+	__FLOG_OPEN(KMTPSubsystem, KComponent);
+	__FLOG(_L8("CMTPSvcDeleteObject - Constructed"));
+	}
+
+/**
+DeleteObject request handler
+*/
+void CMTPSvcDeleteObject::LoadAllObjHandlesL(TUint32 aParentHandle)
+	{
+	__FLOG(_L8("LoadAllObjHandlesL - Entry"));
+	const TUint32 KFormatCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+	RMTPObjectMgrQueryContext context;
+	CleanupClosePushL(context);
+
+	do
+		{ // Append all object handles with service dp's storage id.
+		TUint32 storageId = iDataProvider.StorageId();
+		TMTPObjectMgrQueryParams  params(storageId, KFormatCode, aParentHandle);
+		iFramework.ObjectMgr().GetObjectHandlesL(params, context, iObjectHandles);
+		}
+	while (!context.QueryComplete());
+	CleanupStack::PopAndDestroy(&context);
+	__FLOG(_L8("LoadAllObjHandlesL - Exit"));
+	}
+
+void CMTPSvcDeleteObject::ServiceL()
+	{
+	__FLOG(_L8("ServiceL - Entry"));
+	if (iFormatCode == EMTPFormatCodeAssociation)
+		{
+		// Framework may send deleteobject for a directory, allow framework do this.
+		SendResponseL(EMTPRespCodeOK);
+		return;
+		}
+	
+	const TUint32 KHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+	
+	if (KHandle == KMTPHandleAll)
+		{
+		LoadAllObjHandlesL(KMTPHandleNoParent);
+		iDeleteIndex = 0;
+		iSuccessDeletion = EFalse;
+		CompleteSelf(KErrNone);
+		}
+	else
+		{
+		TMTPResponseCode responseCode = iObjectHandler->DeleteObjectL(*iReceivedObjectMetaData);
+		// Remove from framework.
+		iFramework.ObjectMgr().RemoveObjectL(iReceivedObjectMetaData->DesC(CMTPObjectMetaData::ESuid));
+		SendResponseL(responseCode);
+		__FLOG_VA((_L8("Delete single object exit with response code = 0x%04X"), responseCode));
+		}
+	__FLOG(_L8("ServiceL - Exit"));
+	}
+
+void CMTPSvcDeleteObject::RunL()
+	{
+	__FLOG(_L8("RunL - Entry"));
+	__FLOG_VA((_L8("the number of objects to be deleted is %d, iDeleteIndex is %d"), iObjectHandles.Count(), iDeleteIndex));
+
+	if (iStatus != KErrNone)
+		{
+		iDeleteError = iStatus.Int();
+		}
+
+	CDesCArray* objectDeleted = new (ELeave) CDesCArrayFlat(KMTPDriveGranularity);
+	CleanupStack::PushL(objectDeleted);
+	
+	TInt errCount = 0;
+	TInt count = iObjectHandles.Count();
+	const TUint32 granularity = iDataProvider.OperationGranularity();
+	for (TInt i = 0; iDeleteIndex < count && i < granularity; ++i)
+		{
+		TUint handle = iObjectHandles[iDeleteIndex++];
+		iFramework.ObjectMgr().ObjectL(handle, *iReceivedObjectMetaData);
+		if (DeleteObjectL(*iReceivedObjectMetaData) == EMTPRespCodeOK)
+			{
+			objectDeleted->AppendL(iReceivedObjectMetaData->DesC(CMTPObjectMetaData::ESuid));
+			iSuccessDeletion = ETrue;
+			}
+		else
+			{
+			++errCount;
+			__FLOG_VA((_L8("Delete object failed, SUID:%S"), &(iReceivedObjectMetaData->DesC(CMTPObjectMetaData::ESuid))));
+			}
+		}
+
+	// Remove object from framework
+	iFramework.ObjectMgr().RemoveObjectsL(*objectDeleted);
+	CleanupStack::PopAndDestroy(objectDeleted);
+
+	if (iDeleteIndex >= count)
+		{
+		ProcessFinalPhaseL();
+		}
+	else 
+		{
+		TInt err = (errCount > 0) ? KErrGeneral : KErrNone;
+		CompleteSelf(err);
+		}
+	__FLOG(_L8("RunL - Exit")); 
+	}
+
+/**
+Handle an error in the delete loop by storing the error code and continuing deleting.
+*/
+TInt CMTPSvcDeleteObject::RunError(TInt aError)
+	{
+	__FLOG(_L8("RunError - Entry")); 
+	CompleteSelf(aError);
+	__FLOG(_L8("RunError - Exit"));
+	return KErrNone;
+	}
+
+/**
+Complete myself
+*/
+void CMTPSvcDeleteObject::CompleteSelf(TInt aError)
+	{
+	__FLOG(_L8("CompleteSelf - Entry"));
+	SetActive();
+	TRequestStatus* status = &iStatus;
+	*status = KRequestPending;
+	User::RequestComplete(status, aError);
+	__FLOG(_L8("CompleteSelf - Exit"));
+	}
+
+TMTPResponseCode CMTPSvcDeleteObject::CheckRequestL()
+	{
+	__FLOG(_L8("CheckRequestL - Entry"));
+	TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
+	if (EMTPRespCodeOK == responseCode)
+		{
+		TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+		iReceivedObjectMetaData = CMTPObjectMetaData::NewL();
+		// Check object handle with dataprovider id, if handle is valid, then ignore format code in parameter 2.
+		if (objectHandle != KMTPHandleAll)
+			{
+			MMTPObjectMgr& objects = iFramework.ObjectMgr();
+			//Check whether object handle is valid
+			// Framework may send a handle which is a directory and dp can't check id in this case
+			if (objects.ObjectL(objectHandle, *iReceivedObjectMetaData))
+				{
+				iFormatCode = iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EFormatCode);
+				if (iReceivedObjectMetaData->Uint(CMTPObjectMetaData::EDataProviderId) != iFramework.DataProviderId() && (iFormatCode != EMTPFormatCodeAssociation))
+					{
+					responseCode = EMTPRespCodeInvalidObjectHandle;
+					__FLOG(_L8("DataProviderId dismatch"));
+					}
+				else
+					{
+					responseCode = CheckFmtAndSetHandler(iFormatCode);
+					}
+				}
+			else
+				{
+				responseCode = EMTPRespCodeInvalidObjectHandle;
+				}
+			}
+		else
+			{
+			// Delete all objects for a format
+			iFormatCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+			// Check format code
+			if (iFormatCode != KMTPFormatsAll)
+				{
+				responseCode = CheckFmtAndSetHandler(iFormatCode);
+				}
+			}
+		}
+
+	__FLOG_VA((_L8("CheckRequestL Exit with response code = 0x%04X"), responseCode));
+	return responseCode;
+	}
+
+void CMTPSvcDeleteObject::ProcessFinalPhaseL()
+	{
+	__FLOG(_L8("ProcessFinalPhaseL - Entry"));
+	TMTPResponseCode responseCode = EMTPRespCodeOK;
+	if (iDeleteError != KErrNone)
+		{
+		if (iSuccessDeletion)
+			{
+			responseCode = EMTPRespCodePartialDeletion;
+			}
+		else
+			{
+			responseCode = EMTPRespCodeStoreReadOnly;
+			}
+		}
+	SendResponseL(responseCode);
+	__FLOG_VA((_L8("ProcessFinalPhaseL - Exit with response code = 0x%04X"), responseCode));
+	}
+
+TMTPResponseCode CMTPSvcDeleteObject::CheckFmtAndSetHandler(TUint32 aFormatCode)
+	{
+	__FLOG(_L8("CheckFmtAndSetHandler - Entry")); 
+	TMTPResponseCode responseCode = EMTPRespCodeOK;
+	iObjectHandler = iDataProvider.ObjectHandler(aFormatCode);
+	if (!iObjectHandler)
+		{
+		responseCode = EMTPRespCodeInvalidObjectFormatCode;
+		}
+	__FLOG(_L8("CheckFmtAndSetHandler - Exit"));
+	return responseCode;
+	}
+
+TMTPResponseCode CMTPSvcDeleteObject::DeleteObjectL(const CMTPObjectMetaData& aObjectMetaData)
+	{
+	__FLOG(_L8("DeleteObjectL - Entry"));
+	TMTPResponseCode responseCode = EMTPRespCodeOK;
+	TUint16 formatCode = aObjectMetaData.Uint(CMTPObjectMetaData::EFormatCode);
+	responseCode = CheckFmtAndSetHandler(formatCode);
+	if (EMTPRespCodeOK == responseCode)
+		{
+		responseCode = iObjectHandler->DeleteObjectL(aObjectMetaData);
+		}
+	__FLOG(_L8("DeleteObjectL - Exit"));
+	return responseCode;
+	}