sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Implements used to process RUpsManagement::UpdateDecisionL.
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0: */
sl@0: 
sl@0: #include "upsserver.h"
sl@0: #include <ups/upsdbw.h>
sl@0: #include "updateevaluator.h"
sl@0: 
sl@0: namespace UserPromptService
sl@0: {
sl@0: inline CUpsSession *CUpdateEvaluator::UpsSession()
sl@0: 	{
sl@0: 	return static_cast<CUpsSession*>(iSession);
sl@0: 	}
sl@0: 
sl@0: inline CUpsServer *CUpdateEvaluator::UpsServer()
sl@0: 	{
sl@0: 	return static_cast<CUpsServer *>(
sl@0: 		&static_cast<CUpsSession*>(iSession)->iServer);
sl@0: 	}
sl@0: 
sl@0: CUpdateEvaluator* CUpdateEvaluator::NewLC(CUpsSession* aSession, const RMessage2& aMessage)
sl@0: 	{
sl@0: 	CUpdateEvaluator* self = new(ELeave) CUpdateEvaluator(aSession, aMessage);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aMessage);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CUpdateEvaluator::~CUpdateEvaluator()
sl@0: /**
sl@0: 	Normally cleanup should be done when DoCleanup function is called by the framework.
sl@0: 	Sometime later, possibly after our parent CUpsSession has been deleted, this
sl@0: 	destructor will be run. In this case the framework will have cleared our iSession variable
sl@0: 	and we must do NOTHING.
sl@0: 
sl@0: 	Unfortunately there is a special case where this object fails inside ConstructL, when we must do 
sl@0: 	some cleanup. We can detect this be seeing iSession (and hence UpsServer()) is non-NULL.
sl@0: */
sl@0: 	{
sl@0: 	CUpsSession *session = UpsSession();
sl@0: 	if(session)
sl@0: 		{
sl@0: 		/*lint -save -e1506*/ // ignore warning about calling a virtual function in a destructor
sl@0: 		DoCleanup();
sl@0: 		/*lint -restore*/
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CUpdateEvaluator::StartUpdate()
sl@0: 	/// Starts evaluating the database view
sl@0: 	{
sl@0: 	iUpdateView->EvaluateView(iStatus);
sl@0: 	SetActive();
sl@0: 	}
sl@0: 
sl@0: CUpdateEvaluator::CUpdateEvaluator(CUpsSession* aSession, const RMessage2& aMessage)
sl@0: 	:	CAsyncRequest(aSession, 0, aMessage),
sl@0: 		iUpdateDbHandle(UpsServer()->iDbHandle, this)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CUpdateEvaluator::ConstructL(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	// Read record id and new yes/no decision from client
sl@0: 	TUint32 recordId = aMessage.Int0();
sl@0: 	iNewResult = (aMessage.Int1() != 0);
sl@0: 
sl@0: 	CDecisionFilter *filter= CDecisionFilter::NewLC();
sl@0: 	filter->SetRecordId(recordId, EEqual);
sl@0: 	
sl@0: 	// Create the CDecisionView object
sl@0: 	iUpdateView = iUpdateDbHandle->CreateViewL(*filter);
sl@0: 
sl@0: 	CleanupStack::PopAndDestroy(filter);
sl@0: }
sl@0: 
sl@0: 
sl@0: void CUpdateEvaluator::DoCleanup()
sl@0: /// implement CAsyncRequest
sl@0: 	{
sl@0: 	Cancel();
sl@0: 
sl@0: 	delete iUpdateView;
sl@0: 	iUpdateView = 0;
sl@0: 
sl@0: 	iUpdateDbHandle.Close();
sl@0: 	}
sl@0: 
sl@0: void CUpdateEvaluator::DoCancel()
sl@0: 	/// implement CActive - Cancel the database CreateView
sl@0: 	{
sl@0: 	ASSERT(iUpdateView != 0);
sl@0: 	iUpdateView->Cancel();
sl@0: 	}
sl@0: 
sl@0: 	
sl@0: void CUpdateEvaluator::RunL()
sl@0: 	/// implement CActive, override CAsyncRequset
sl@0: 	{
sl@0: 	User::LeaveIfError(iStatus.Int());
sl@0: 
sl@0: 	// We have created the view, which should have matched a single record.....
sl@0: 	CDecisionRecord *record = iUpdateView->NextDecisionL();
sl@0: 	CleanupStack::PushL(record);
sl@0: 	if(record == 0)
sl@0: 		{
sl@0: 		User::Leave(KErrNotFound);
sl@0: 		}
sl@0: 
sl@0: 	// Update the result
sl@0: 	record->iResult = iNewResult;
sl@0: 
sl@0: 	// Prepare a filter with our complete key in it.
sl@0: 	CDecisionFilter *filter = CDecisionFilter::NewLC(record->iClientSid,
sl@0: 													 record->iEvaluatorId,
sl@0: 													 record->iServiceId,
sl@0: 													 record->iServerSid,
sl@0: 													 record->iFingerprint,
sl@0: 													 record->iClientEntity,
sl@0: 													 record->iMajorPolicyVersion);
sl@0: 
sl@0: 
sl@0: 	// Update the record
sl@0: 	iUpdateDbHandle->UpdateDecisionL(*filter, *record);
sl@0: 
sl@0: 	// Cleanup	
sl@0: 	CleanupStack::PopAndDestroy(filter);
sl@0: 	CleanupStack::PopAndDestroy(record);
sl@0: 
sl@0: 	CompleteAndMarkForDeletion(KErrNone);
sl@0: 	}
sl@0: 
sl@0: TInt CUpdateEvaluator::RunError(TInt aError)
sl@0: 	{
sl@0: 	iUpdateDbHandle.CloseMaster();
sl@0: 	return CAsyncRequest::RunError(aError);
sl@0: 	}
sl@0: 
sl@0: void CUpdateEvaluator::DbHandleAboutToBeDeleted()
sl@0: /**
sl@0: 	Called just before the master database handle is shut.
sl@0: 	Need to cancel and cleanup/delete our view and fail the client request.
sl@0: */
sl@0: 	{
sl@0: 	// Make sure our request is cancelled
sl@0: 	Cancel();
sl@0: 
sl@0: 	// Cleanup/delete our view object
sl@0: 	DoCleanup();
sl@0: 	
sl@0: 	// Abort the client view request.
sl@0: 	CompleteAndMarkForDeletion(KErrAbort);
sl@0: 	}
sl@0: 
sl@0: } // End of namespace UserPromptServer
sl@0: // End of file