diff -r 000000000000 -r 5e5d6b214f4f instantmessagesalert/src/cimalertnotifierimpl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/instantmessagesalert/src/cimalertnotifierimpl.cpp	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,148 @@
+/*
+* 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:  Publish and subscribe implementation.
+*
+*/
+
+// INCLUDE FILES
+#include    "cimalertnotifierimpl.h"
+#include    "mimalertnotifierkeyobserver.h"
+#include    "cimalertpropertyobserver.h"
+#include    <e32property.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::CIMAlertNotifierImpl
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CIMAlertNotifierImpl::CIMAlertNotifierImpl( MIMAlertNotifierKeyObserver* aObserver )
+:iObserver( aObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CIMAlertNotifierImpl* CIMAlertNotifierImpl::NewL( MIMAlertNotifierKeyObserver* aObserver )
+    {
+    CIMAlertNotifierImpl* self = new( ELeave ) CIMAlertNotifierImpl( aObserver );
+    return self;
+    }
+
+    
+// Destructor
+CIMAlertNotifierImpl::~CIMAlertNotifierImpl()
+    {
+    delete iPropWatcher;
+    }
+
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::SetInt
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CIMAlertNotifierImpl::SetInt( TNotifyKey aKey, TInt aValue )
+	{
+	TInt err = KErrNone;
+	switch ( aKey ) 
+		{
+		case EMSGToneQuitKey:	
+		    err = RProperty::Set( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );
+			break;
+		default:
+			{
+			return KErrNotFound;
+			}
+		}	
+	return err;
+	}    
+
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::GetInt
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CIMAlertNotifierImpl::GetInt( TNotifyKey aKey, TInt& aValue )
+	{
+	TInt err = KErrNone;
+	switch ( aKey ) 
+		{
+		case EMSGToneQuitKey:
+			{
+			err = RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );		
+			break;
+			}
+		default:
+			{
+			err = KErrNotFound;	
+			break;
+			}
+		}
+	return err;
+	}
+	
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::ListenKeyChanges
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CIMAlertNotifierImpl::ListenKeyChanges( TNotifyKey aKey )
+	{
+	TInt err = KErrNone;
+	delete iPropWatcher;
+	iPropWatcher = NULL;
+	switch ( aKey ) 
+		{
+		case EMSGToneQuitKey:
+			{
+			TRAP( err, iPropWatcher = CIMAlertPropertyObserver::NewL( *this ) );
+			if( !err )
+			    {
+			    TRAP( err, iPropWatcher->ObservePropertyChangeL( 
+			                KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit ) );
+			    }
+			break;
+			}
+		default:
+			{
+			err = KErrNotFound;
+			break;
+			}
+		}
+	return err;
+	}
+
+// -----------------------------------------------------------------------------
+// CIMAlertNotifierImpl::HandlePropertyNotificationEventL
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIMAlertNotifierImpl::HandlePropertyNotificationEventL( TUid /* aCategory */, TUint aKey )
+    {
+    TInt value( 0 );
+    User::LeaveIfError( 
+          RProperty::Get( KPSUidCoreApplicationUIs, aKey, value ) );
+    TUpdatedKey key;
+    key.iUid = KPSUidCoreApplicationUIs;
+    key.iKey = aKey;
+    key.iValue = value;
+    iObserver->HandleKeyChange( key );
+    }
+
+//  End of File