--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/dputility/src/cmtpsetobjectpropvalue.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,334 @@
+// Copyright (c) 2006-2009 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:
+//
+
+#include <bautils.h>
+#include <f32file.h>
+#include <mtp/tmtptyperequest.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mtpprotocolconstants.h>
+#include <mtp/cmtptypestring.h>
+#include <mtp/mmtpobjectmgr.h>
+
+#include "cmtpsetobjectpropvalue.h"
+#include "mtpdpconst.h"
+#include "mtpdppanic.h"
+#include "cmtpdataprovidercontroller.h"
+#include "mtpframeworkconst.h"
+#include "rmtpdpsingletons.h"
+#include "rmtputility.h"
+
+/**
+Verification data for the SetObjectPropValue request
+*/
+const TMTPRequestElementInfo KMTPSetObjectPropValuePolicy[] = 
+    {
+    	{TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrWrite, 0, 0, 0},   	
+     };
+     
+/**
+Two-phase construction method
+@param aPlugin	The data provider plugin
+@param aFramework	The data provider framework
+@param aConnection	The connection from which the request comes
+@return a pointer to the created request processor object
+*/ 
+EXPORT_C MMTPRequestProcessor* CMTPSetObjectPropValue::NewL(
+											MMTPDataProviderFramework& aFramework,
+											MMTPConnection& aConnection)
+	{
+	CMTPSetObjectPropValue* self = new (ELeave) CMTPSetObjectPropValue(aFramework, aConnection);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Destructor
+*/	
+EXPORT_C CMTPSetObjectPropValue::~CMTPSetObjectPropValue()
+	{	
+	delete iMTPTypeString;
+	iSingleton.Close();
+	iDpSingletons.Close();
+	delete iObjMeta;
+	}
+
+/**
+Standard c++ constructor
+*/	
+CMTPSetObjectPropValue::CMTPSetObjectPropValue(
+									MMTPDataProviderFramework& aFramework,
+									MMTPConnection& aConnection)
+	:CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPSetObjectPropValuePolicy)/sizeof(TMTPRequestElementInfo), KMTPSetObjectPropValuePolicy),
+	iRfs(aFramework.Fs())
+	{
+	}
+	
+	
+/**
+A helper function of CheckRequestL. To check whether the object property code is readonly.
+@param aObjectPropCode the object property code passed in.
+@return ETrue if the object property code is readonly. Otherwise EFalse.
+*/	
+TBool CMTPSetObjectPropValue::IsPropCodeReadonly(TUint32 aObjectPropCode)
+	{
+	TBool returnCode = EFalse;
+	if(aObjectPropCode == EMTPObjectPropCodeStorageID
+		|| aObjectPropCode == EMTPObjectPropCodeObjectFormat
+		|| aObjectPropCode == EMTPObjectPropCodeProtectionStatus
+		|| aObjectPropCode == EMTPObjectPropCodeObjectSize
+		|| aObjectPropCode == EMTPObjectPropCodeParentObject
+		|| aObjectPropCode == EMTPObjectPropCodePersistentUniqueObjectIdentifier)
+		{
+		returnCode = ETrue;
+		}
+	return returnCode;
+	}
+
+/**
+Verify request
+*/
+TMTPResponseCode CMTPSetObjectPropValue::CheckRequestL()
+	{
+	TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
+
+    TUint32 handle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+    CMTPObjectMetaData* meta = iRequestChecker->GetObjectInfo(handle);
+    __ASSERT_DEBUG(meta, Panic(EMTPDpObjectNull));
+    
+	if(responseCode == EMTPRespCodeOK)
+		{
+		TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+		
+		if(propCode != EMTPObjectPropCodeAssociationType && propCode != EMTPObjectPropCodeAssociationDesc)
+			{
+			const TInt count = sizeof(KMTPDpSupportedProperties) / sizeof(TUint16);
+			TInt i = 0;
+			for(i = 0; i < count; i++)
+				{
+				if(KMTPDpSupportedProperties[i] == propCode
+					&& IsPropCodeReadonly(propCode))
+					// Object property code supported, but cann't be set.
+					{
+					responseCode = EMTPRespCodeAccessDenied;
+					break;
+					}
+				else if(KMTPDpSupportedProperties[i] == propCode)
+					// Object property code supported and can be set.
+					{
+					break;
+					}
+				}
+			if(i == count)
+				{
+				responseCode = EMTPRespCodeInvalidObjectPropCode;
+				}
+			}
+		else if(meta->Uint(CMTPObjectMetaData::EFormatCode) != EMTPFormatCodeAssociation)
+			{
+			responseCode = EMTPRespCodeInvalidObjectFormatCode;
+			}
+		}
+	else
+	    {
+	    const TDesC& suid(meta->DesC(CMTPObjectMetaData::ESuid));
+	    TEntry entry;
+	    User::LeaveIfError( iFramework.Fs().Entry(suid, entry) );
+        
+	    //According to spec, there are 4 statuses: No Protection; Read-only; Read-only data; Non-transferrable data
+	    //Currently, we only use FS's Read-only attribute to support No Protection and Read-only statuses.
+	    //so if the attribute is read-only, we will return EMTPRespCodeAccessDenied.
+        if (entry.IsReadOnly())
+             {
+             responseCode = EMTPRespCodeAccessDenied;
+             }        
+	    }
+	
+	return responseCode;	
+	}
+		
+/**
+SetObjectPropValue request handler
+*/	
+void CMTPSetObjectPropValue::ServiceL()
+	{
+	__ASSERT_DEBUG(iRequestChecker, Panic(EMTPDpRequestCheckNull));
+	TUint32 handle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+	TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+	
+	iFramework.ObjectMgr().ObjectL(TMTPTypeUint32(handle), *iObjMeta);
+	User::LeaveIfError(iRfs.Entry(iObjMeta->DesC(CMTPObjectMetaData::ESuid), iFileEntry));
+	
+	delete iMTPTypeString;
+	iMTPTypeString = NULL;
+	iMTPTypeString = CMTPTypeString::NewL();
+	switch(propCode)
+		{	
+		case EMTPObjectPropCodeDateModified:
+		case EMTPObjectPropCodeObjectFileName:
+		case EMTPObjectPropCodeName:
+			 ReceiveDataL(*iMTPTypeString);
+			break;
+		case EMTPObjectPropCodeNonConsumable:
+			ReceiveDataL(iMTPTypeUint8);
+			break;
+		case EMTPObjectPropCodeAssociationType:
+			{
+			ReceiveDataL(iMTPTypeUint16);
+			}
+			break;
+		case EMTPObjectPropCodeAssociationDesc:
+			{
+			ReceiveDataL(iMTPTypeUint32);
+			}
+			break;
+			
+		case EMTPObjectPropCodeStorageID:
+		case EMTPObjectPropCodeObjectFormat:
+		case EMTPObjectPropCodeProtectionStatus:
+		case EMTPObjectPropCodeObjectSize:		
+		case EMTPObjectPropCodeParentObject:
+		case EMTPObjectPropCodePersistentUniqueObjectIdentifier:
+			{
+			//!!! Never come here, it should be blocked on CheckRequestL()
+			// and EMTPRespCodeAccessDenied will be reported.
+			//No break sentance, goto Panic
+			}
+		default:
+			Panic(EMTPDpUnsupportedProperty);
+		}	
+	}
+
+/**
+Apply the references to the specified object
+@return EFalse
+*/	
+TBool CMTPSetObjectPropValue::DoHandleResponsePhaseL()
+	{
+	TMTPResponseCode responseCode = EMTPRespCodeInvalidObjectPropFormat;
+	TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+	
+	switch(propCode)
+		{
+		case EMTPObjectPropCodeDateModified:
+			{
+			TTime modifiedTime;
+			if( iDpSingletons.MTPUtility().MTPTimeStr2TTime(iMTPTypeString->StringChars(), modifiedTime) )
+				{
+				iRfs.SetModified( iObjMeta->DesC(CMTPObjectMetaData::ESuid), modifiedTime );
+				responseCode = EMTPRespCodeOK;
+				
+				}
+			else
+				{
+				responseCode = EMTPRespCodeInvalidObjectPropValue;
+				}
+			}
+			break;
+			
+		case EMTPObjectPropCodeObjectFileName:
+			{
+
+			TRAPD(err, iDpSingletons.MTPUtility().RenameObjectL(iObjMeta->Uint(CMTPObjectMetaData::EHandle),iMTPTypeString->StringChars())) ;
+			if( KErrNone == err )
+				{
+				responseCode = EMTPRespCodeOK;
+				}
+			else if(KErrNotFound == err)
+				{
+				responseCode = EMTPRespCodeInvalidObjectHandle;
+				}
+			else if( KErrAlreadyExists == err)
+				{
+				responseCode = EMTPRespCodeInvalidObjectPropValue;
+				}
+			else 
+				{
+				responseCode = EMTPRespCodeAccessDenied;
+				}
+			}
+			break;
+		case EMTPObjectPropCodeName:
+			{			
+			//Might need to consider to save this name into meta-data base.
+			//Notify all the Data Providers if the Owner of the object is DeviceDP
+			const TDesC& name = iMTPTypeString->StringChars();
+			if(name != iFileEntry.iName)
+				{
+				iObjMeta->SetDesCL( CMTPObjectMetaData::EName, name);
+				iFramework.ObjectMgr().ModifyObjectL(*iObjMeta);
+				}
+			responseCode = EMTPRespCodeOK;
+			}
+			break;
+		case EMTPObjectPropCodeNonConsumable:
+			{
+			iObjMeta->SetUint( CMTPObjectMetaData::ENonConsumable, iMTPTypeUint8.Value());
+			iFramework.ObjectMgr().ModifyObjectL(*iObjMeta);
+			responseCode = EMTPRespCodeOK;
+			}
+			break;
+		case EMTPObjectPropCodeAssociationType:
+			{
+		    if (EModeMTP != iFramework.Mode())
+		    	{
+		    	responseCode = EMTPRespCodeOK;	
+		    	}
+		    else if( iMTPTypeUint16.Value() != EMTPAssociationTypeGenericFolder )
+				{
+				responseCode = EMTPRespCodeInvalidObjectPropValue;
+				}
+			else
+				{
+				responseCode = EMTPRespCodeOK;
+				}
+			}
+			break;
+		case EMTPObjectPropCodeAssociationDesc:
+			{
+			if(TUint32(iMTPTypeUint32.Value()) == 0 )
+				{
+				responseCode = EMTPRespCodeOK;
+				}
+			else
+				responseCode = EMTPRespCodeInvalidObjectPropValue;
+			}	
+			break;
+			
+			
+		default:
+			Panic(EMTPDpUnsupportedProperty);
+		}
+
+	SendResponseL(responseCode);
+	return EFalse;	
+	}
+	
+TBool CMTPSetObjectPropValue::HasDataphase() const
+	{
+	return ETrue;
+	}
+	
+/**
+Second-phase construction
+*/			
+void CMTPSetObjectPropValue::ConstructL()
+	{	
+	iSingleton.OpenL();
+	iObjMeta = CMTPObjectMetaData::NewL();
+	iDpSingletons.OpenL(iFramework);
+	}
+