sl@0: // Copyright (c) 2002-2009 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 "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: //
sl@0: 
sl@0: #include "LOGDEL.H"
sl@0: #include "LOGQUERY.H"
sl@0: #include "logservpanic.h"
sl@0: #include "LogServDatabaseTransactionInterface.h"
sl@0: #include "LogServResourceInterpreter.h"
sl@0: #include "LogServCacheTypes.h"
sl@0: #include "LogServDatabaseChangeInterface.h"
sl@0: #include "LogServSqlStrings.h"
sl@0: 
sl@0: CLogDeleteEvent::CLogDeleteEvent(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority)
sl@0: : CLogActive(aPriority), iDatabase(aDatabase)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CLogDeleteEvent::~CLogDeleteEvent()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0: 
sl@0: CLogDeleteEvent* CLogDeleteEvent::NewL(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority)
sl@0: 	{
sl@0: 	return new (ELeave) CLogDeleteEvent(aDatabase, aPriority);
sl@0: 	}
sl@0: 	
sl@0: 
sl@0: void CLogDeleteEvent::StartL(TLogId aId, TRequestStatus& aStatus, const RMessage2& aMessage)
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(!IsActive(), Panic(ELogAlreadyActive6));
sl@0: 	
sl@0: 	iMessage = const_cast<RMessage2*>(&aMessage);	// how to avoid this cast?
sl@0: 	iId = aId;
sl@0: 	
sl@0:     Queue(aStatus);
sl@0:     TRequestStatus* status = &iStatus;
sl@0:     User::RequestComplete(status, KErrNone);
sl@0:     SetActive();
sl@0: 	}
sl@0: 
sl@0: void CLogDeleteEvent::DoRunL()
sl@0: 	{
sl@0: 	RLogEventDbTable tbl;
sl@0: 	tbl.OpenLC(iDatabase.DTIDatabase());
sl@0:     User::LeaveIfError(tbl.SetIndex(KLogNameEventIdx1));
sl@0:     //Find event
sl@0:     if(!tbl.SeekL(TDbSeekKey((TInt)iId)))
sl@0:         {
sl@0:         iMessage->Complete(KErrNotFound);
sl@0:         DoCancel();
sl@0:         User::Leave(KErrNotFound);
sl@0:         }
sl@0:     tbl.GetL();
sl@0:     //Platsec check
sl@0:     TLogTypeId logTypeId = tbl.ColUint8(RLogEventDbTable::iTypeColNo);
sl@0:     const TLogServCacheTypeEntry& entry = iDatabase.DTICacheTypes().FindById(logTypeId);
sl@0:     __ASSERT_DEBUG(entry.iEventTypeId != KLogNullTypeId, Panic(ELogNoEventTypeAtId));
sl@0:     if(!iDatabase.DTIIsAllowed(EWriteOp, *iMessage, entry.iEventType->Uid()))
sl@0:         {
sl@0:         User::Leave(KErrPermissionDenied);
sl@0:         }
sl@0:     User::LeaveIfError(iDatabase.DTIBegin());
sl@0:     //Process duplicates 
sl@0:     ::LogResetDuplicatesL(iDatabase, iId);
sl@0:     //Delete the event
sl@0:     tbl.DeleteL();
sl@0:     iDatabase.DTIChangeInterface().DCISubmitChangedEventContextL(ELogChangeTypeEventDeleted, iId);
sl@0:     //
sl@0:     CleanupStack::PopAndDestroy(&tbl);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CLogDeleteEvent::DoCancel()
sl@0: 	{
sl@0: 	CLogActive::DoCancel();
sl@0: 	}
sl@0: 
sl@0: void CLogDeleteEvent::DoComplete(TInt& aStatus)
sl@0: 	{
sl@0: 	// Attempt to commit the transaction
sl@0: 	if (iDatabase.DTIInTransaction())
sl@0: 		{
sl@0: 		if (aStatus == KErrNone)
sl@0: 			aStatus = iDatabase.DTICommitAndEnd();
sl@0: 
sl@0: 		if (aStatus < KErrNone)
sl@0: 			iDatabase.DTIRollBack();
sl@0: 		}
sl@0: 	}