--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpimagedp/src/cmtpimagedpgetpartialobject.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,158 @@
+// Copyright (c) 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:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#include <f32file.h>
+
+#include <mtp/tmtptyperequest.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mtpprotocolconstants.h>
+#include <mtp/mmtpobjectmgr.h>
+#include <mtp/cmtpobjectmetadata.h>
+#include <mtp/cmtptypefile.h>
+
+#include "cmtpimagedpgetpartialobject.h"
+#include "mtpimagedppanic.h"
+#include "mtpimagedpconst.h"
+#include "cmtpimagedp.h"
+#include "mtpimagedputilits.h"
+#include "cmtpimagedpobjectpropertymgr.h"
+
+__FLOG_STMT(_LIT8(KComponent,"ImageDpGetPartialObject");)
+/**
+Verification data for the GetPartialObject request
+*/
+
+/**
+Two-phase construction method
+@param aFramework	The data provider framework
+@param aConnection	The connection from which the request comes
+@return a pointer to the created request processor object
+*/ 
+MMTPRequestProcessor* CMTPImageDpGetPartialObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider)
+    {
+    CMTPImageDpGetPartialObject* self = new (ELeave) CMTPImageDpGetPartialObject(aFramework, aConnection, aDataProvider);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+    
+/**
+Destructor
+*/	
+CMTPImageDpGetPartialObject::~CMTPImageDpGetPartialObject()
+    {
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::~CMTPImageDpGetPartialObject"));
+    delete iFileObject;
+    delete iObjectMeta;
+    __FLOG(_L8("<< CMTPImageDpGetPartialObject::~CMTPImageDpGetPartialObject"));
+    __FLOG_CLOSE;
+    }
+    
+/**
+Standard c++ constructor
+@param aFramework	The data provider framework
+@param aConnection	The connection from which the request comes
+*/	
+CMTPImageDpGetPartialObject::CMTPImageDpGetPartialObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, CMTPImageDataProvider& /*aDataProvider*/)
+    :CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
+    iFs(iFramework.Fs())
+    {
+    }
+
+/**
+Second-phase construction
+*/  
+void CMTPImageDpGetPartialObject::ConstructL()
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::ConstructL"));
+    iObjectMeta = CMTPObjectMetaData::NewL();
+    __FLOG(_L8("<< CMTPImageDpGetPartialObject::ConstructL"));
+    }
+    
+/**
+Check the GetPartialObject reqeust
+@return EMTPRespCodeOK if the request is good, otherwise, one of the error response codes
+*/	
+TMTPResponseCode CMTPImageDpGetPartialObject::CheckRequestL()
+    {
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::CheckRequestL"));
+    TMTPResponseCode result = CMTPRequestProcessor::CheckRequestL();
+    if(result == EMTPRespCodeOK)
+        {
+        result = MTPImageDpUtilits::VerifyObjectHandleL(iFramework, Request().Uint32(TMTPTypeRequest::ERequestParameter1), *iObjectMeta);
+        }
+    if(result == EMTPRespCodeOK && !VerifyParametersL())
+        {
+        result = EMTPRespCodeInvalidParameter;
+        }
+    __FLOG_VA((_L8("<< CMTPImageDpGetPartialObject::CheckRequestL 0x%x"), result));
+    __FLOG(_L8("<< CMTPImageDpGetPartialObject::CheckRequestL"));
+    return result;	
+    }
+    
+/**
+Verify if the parameter of the request (i.e. offset) is good.
+@return ETrue if the parameter is good, otherwise, EFalse
+*/		
+TBool CMTPImageDpGetPartialObject::VerifyParametersL()
+    {
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::VerifyParametersL"));
+    TBool result = EFalse;
+    iOffset = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+    iMaxLength = Request().Uint32(TMTPTypeRequest::ERequestParameter3);
+
+    TEntry fileEntry;
+    User::LeaveIfError(iFs.Entry(iObjectMeta->DesC(CMTPObjectMetaData::ESuid), fileEntry));
+    if((iOffset < fileEntry.iSize)) 
+        {
+        result = ETrue;
+        }
+    __FLOG_VA((_L8("<< CMTPImageDpGetPartialObject::VerifyParametersL %d"), result));
+    return result;	
+    }
+/**
+GetPartialObject request handler
+Send the partial object data to the initiator
+*/	
+void CMTPImageDpGetPartialObject::ServiceL()
+    {
+    // Get file information
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::ServiceL"));
+        // Pass the complete file back to the host
+    iFileObject = CMTPTypeFile::NewL(iFramework.Fs(), iObjectMeta->DesC(CMTPObjectMetaData::ESuid), (TFileMode)(EFileRead | EFileShareReadersOnly), iMaxLength, iOffset);
+    SendDataL(*iFileObject);	
+    __FLOG(_L8("<< CMTPImageDpGetPartialObject::ServiceL"));
+    }
+    
+    
+/**
+Signal to the initiator how much data has been sent
+@return EFalse
+*/
+TBool CMTPImageDpGetPartialObject::DoHandleResponsePhaseL()
+    {
+    __FLOG(_L8(">> CMTPImageDpGetPartialObject::DoHandleResponsePhaseL"));
+    TUint32 dataLength = iFileObject->GetByteSent();
+    SendResponseL(EMTPRespCodeOK, 1, &dataLength);
+    __FLOG(_L8("<< CMTPImageDpGetPartialObject::DoHandleResponsePhaseL"));
+    return EFalse;
+    }