--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/policymanagement/dmutilserver/src/DMUtilObserver.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,312 @@
+/*
+* Copyright (c) 2000 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: Implementation of policymanagement components
+*
+*/
+
+
+// INCLUDES
+
+#include "DMUtilObserver.h"
+#include "DMUtilActiveObserver.h"
+#include "PMUtilInternalCRKeys.h"
+#include "policymnginternalpskeys.h"
+#include "debug.h"
+
+#include <s32file.h>
+#include <centralrepository.h>
+#include <e32property.h>
+
+
+// CONSTANTS
+
+_LIT( KPolicyChangeCounterIni, "pcounter.ini");
+_LIT( KRFSCounterIni, "rfscounter.ini");
+
+// MACROS
+// DATA TYPES
+// FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+
+namespace ObserverUtils
+{
+	TBool CheckValueL( const TDesC& aFile, const TUint32& aCentRepKey)
+	{
+		TBool retVal = EFalse;
+		CRepository* repository = CRepository::NewLC( KCRUidPolicyManagementUtilInternalKeys);
+					
+		//get counter value from central repository			
+		TInt counterPreValue(0);
+		TInt counterRealValue(0);
+		User::LeaveIfError( repository->Get( aCentRepKey, counterRealValue));			
+		CleanupStack::PopAndDestroy( repository);
+					
+		//create binary presentation for values
+		TPckg<TInt> realCounterPack( counterRealValue);			
+		TPckg<TInt> preCounterPack( counterPreValue);			
+				
+		//Open file	
+		RFs rfs;
+		User::LeaveIfError( rfs.Connect());			
+		CleanupClosePushL( rfs);
+		
+		RFile file;
+		CleanupClosePushL( file);
+		TBuf<100> fullName;
+		User::LeaveIfError( rfs.PrivatePath( fullName));
+		fullName.Append( aFile);	
+		
+		TInt err = file.Open( rfs, fullName, EFileRead|EFileWrite);
+		
+		if ( err == KErrPathNotFound)
+		{
+			//create private path if not exists
+			User::LeaveIfError( rfs.CreatePrivatePath( EDriveC));
+			err = KErrNotFound;
+		}
+		
+		if ( err == KErrNotFound)
+		{
+			//create file with current counter value
+			User::LeaveIfError( file.Create( rfs, fullName, EFileRead|EFileWrite));			
+			User::LeaveIfError( file.Write( realCounterPack));
+			User::LeaveIfError( file.Flush());
+		}
+		else
+		{
+			//read pre-counter value
+			User::LeaveIfError( err);
+			User::LeaveIfError( file.Read( preCounterPack));
+			
+			
+			if ( counterPreValue != counterRealValue)
+			{
+				//if counter values has changed, changes return value and update pre-value...
+				retVal = ETrue;
+				TInt offset(0);
+				User::LeaveIfError( file.Seek( ESeekStart, offset));
+				User::LeaveIfError( file.Write( realCounterPack));
+				User::LeaveIfError( file.Flush());
+			}
+			 	
+		}
+	
+		//close sessions				
+		CleanupStack::PopAndDestroy( 2, &rfs);			
+		
+		return retVal;
+	}
+}
+
+// -----------------------------------------------------------------------------
+// TDMUtilPassiveObserver::IsPolicyChangedL
+// -----------------------------------------------------------------------------
+//
+
+EXPORT_C TBool TDMUtilPassiveObserver::IsPolicyChangedL()
+{
+	return ObserverUtils::CheckValueL( KPolicyChangeCounterIni, KPolicyChangeCounter);		
+}
+
+// -----------------------------------------------------------------------------
+// TDMUtilStaticObserver::IsRFSPerformedL
+// -----------------------------------------------------------------------------
+//
+
+EXPORT_C TBool TDMUtilPassiveObserver::IsRFSPerformedL()
+{
+	return ObserverUtils::CheckValueL( KRFSCounterIni, KRFSCounterKey );		
+}
+
+
+// -----------------------------------------------------------------------------
+// CDMUtilActiveObserver::CDMUtilActiveObserver
+// -----------------------------------------------------------------------------
+//
+
+CDMUtilActiveObserver::CDMUtilActiveObserver()
+	: iActiveObserver(0)
+{
+	
+}
+
+// -----------------------------------------------------------------------------
+// CDMUtilActiveObserver::~CDMUtilActiveObserver
+// -----------------------------------------------------------------------------
+//
+
+CDMUtilActiveObserver::~CDMUtilActiveObserver()
+{
+	delete iActiveObserver;
+}
+
+// -----------------------------------------------------------------------------
+// CDMUtilActiveObserver::NewL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CDMUtilActiveObserver* CDMUtilActiveObserver::NewL( TPolicyManagementEventTypes aType)
+{
+	CDMUtilActiveObserver* self = new (ELeave) CDMUtilActiveObserver();
+	CleanupStack::PushL( self);
+	self->iActiveObserver = CActiveObserver::NewL( aType);
+	
+	CleanupStack::Pop( self);
+	return self;
+}
+	
+// -----------------------------------------------------------------------------
+// CDMUtilActiveObserver::SubscribeEventL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDMUtilActiveObserver::SubscribeEventL( MActiveCallBackObserver* aDynamicCallBackObserver)
+{
+	iActiveObserver->SubscribeEventL( aDynamicCallBackObserver);
+}
+
+// -----------------------------------------------------------------------------
+// CDMUtilActiveObserver::UnSubscribeEventL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDMUtilActiveObserver::UnSubscribeEvent()
+{
+	iActiveObserver->UnSubscribeEvent();
+}
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::CActiveObserver
+// -----------------------------------------------------------------------------
+//
+
+CActiveObserver::CActiveObserver( TPolicyManagementEventTypes aType) 
+	: CActive(0), type( aType), iSubscribed( 0)
+{
+	
+}
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::~CActiveObserver
+// -----------------------------------------------------------------------------
+//
+
+CActiveObserver::~CActiveObserver()
+{
+	iProperty.Close();
+	iSubcribers.Close();
+	Deque();
+}
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::NewL
+// -----------------------------------------------------------------------------
+//
+
+CActiveObserver* CActiveObserver::NewL( TPolicyManagementEventTypes aType)
+{
+	CActiveObserver* self = new (ELeave) CActiveObserver( aType);
+	return self;
+}
+	
+// -----------------------------------------------------------------------------
+// CActiveObserver::SubscribeEventL
+// -----------------------------------------------------------------------------
+//
+void CActiveObserver::SubscribeEventL( MActiveCallBackObserver* aDynamicCallBackObserver)
+{
+	//add subsribers info to list
+	iSubcribers.Append( aDynamicCallBackObserver);
+	
+	if ( !iSubscribed)
+	{
+		//subscribe event 
+		TUint32 key = SubscribeKey( type);
+		iProperty.Attach( KPolicyMngProperty, key);
+		iProperty.Subscribe( iStatus);
+	
+		//init....
+		CActiveScheduler::Add( this);
+		SetActive();
+	}
+	
+	iSubscribed = ETrue;
+}
+
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::UnSubscribeEventL
+// -----------------------------------------------------------------------------
+//
+TUint32 CActiveObserver::SubscribeKey( TPolicyManagementEventTypes aType)
+{
+	TUint32 retVal = 0;
+
+	switch ( aType)
+	{
+		case EPolicyChangedEvent:
+			retVal = KPolicyChangedCounter;
+		break;
+		default:
+		break;
+	}
+	
+	return retVal;
+}
+
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::UnSubscribeEventL
+// -----------------------------------------------------------------------------
+//
+void CActiveObserver::UnSubscribeEvent()
+{
+	DoCancel();
+	iSubscribed = EFalse;
+}
+
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::UnSubscribeEventL
+// -----------------------------------------------------------------------------
+//
+void CActiveObserver::RunL()
+{	
+	//notify subscribers....
+	for ( TInt i(0); i < iSubcribers.Count(); i++)
+	{
+		iSubcribers[i]->EventLaunchedL();
+	}
+
+	//subscribe again...	
+	SetActive();
+	iProperty.Subscribe( iStatus);	
+}
+
+// -----------------------------------------------------------------------------
+// CActiveObserver::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CActiveObserver::DoCancel()
+{
+	iProperty.Close();
+	iSubcribers.Reset();
+}
+
+
+
+
+
+
+
+
+
+