// 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 <mtp/cmtpobjectmetadata.h>
#include <mtp/cmtptypearray.h>
#include <mtp/tmtptyperequest.h>
#include <mtp/mmtpdataproviderframework.h>
#include <mtp/mmtpobjectmgr.h>
#include <mtp/mmtpreferencemgr.h>
#include <mtp/mtpdatatypeconstants.h>
#include "cmtpsetreferences.h"
#include "mtpdppanic.h"
/**
Verification data for the SetReferences request
*/
const TMTPRequestElementInfo KMTPSetReferencesPolicy[] =
{
{TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrNone, 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* CMTPSetReferences::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)
{
CMTPSetReferences* self = new (ELeave) CMTPSetReferences(aFramework, aConnection);
return self;
}
/**
Destructor
*/
EXPORT_C CMTPSetReferences::~CMTPSetReferences()
{
delete iReferences;
}
/**
Standard c++ constructor
*/
CMTPSetReferences::CMTPSetReferences(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :
CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPSetReferencesPolicy)/sizeof(TMTPRequestElementInfo), KMTPSetReferencesPolicy)
{
}
/**
SetReferences request handler
start receiving reference data from the initiator
*/
void CMTPSetReferences::ServiceL()
{
delete iReferences;
iReferences = NULL;
iReferences = CMTPTypeArray::NewL(EMTPTypeAUINT32);
ReceiveDataL(*iReferences);
}
/**
Apply the references to the specified object
@return EFalse
*/
TBool CMTPSetReferences::DoHandleResponsePhaseL()
{
if(!VerifyReferenceHandlesL())
{
SendResponseL(EMTPRespCodeInvalidObjectReference);
}
else
{
MMTPReferenceMgr& referenceMgr = iFramework.ReferenceMgr();
TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
referenceMgr.SetReferencesL(TMTPTypeUint32(objectHandle), *iReferences);
SendResponseL(EMTPRespCodeOK);
}
return EFalse;
}
TBool CMTPSetReferences::HasDataphase() const
{
return ETrue;
}
/**
Verify if the references are valid handles to objects
@return ETrue if all the references are good, otherwise, EFalse
*/
TBool CMTPSetReferences::VerifyReferenceHandlesL() const
{
__ASSERT_DEBUG(iReferences, User::Invariant());
TBool result = ETrue;
TInt count = iReferences->NumElements();
CMTPObjectMetaData* object(CMTPObjectMetaData::NewLC());
MMTPObjectMgr& objectMgr = iFramework.ObjectMgr();
for(TInt i = 0; i < count; i++)
{
TMTPTypeUint32 handle;
iReferences->ElementL(i, handle);
if(!objectMgr.ObjectL(handle, *object))
{
result = EFalse;
break;
}
}
CleanupStack::PopAndDestroy(object);
return result;
}