diff -r ee64f059b8e1 -r 0930554dc389 qtinternetradio/irqsystemeventhandler/src/irpropertyobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqsystemeventhandler/src/irpropertyobserver.cpp	Thu May 27 12:46:34 2010 +0300
@@ -0,0 +1,113 @@
+/*
+* 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:
+*
+*/
+
+//head files for symbian 
+#include <e32def.h>  
+#include <e32std.h>  
+#include <eikdef.h>
+#include <ctsydomainpskeys.h>
+
+//private head files
+#include "irsystemeventobserverinterface.h"
+#include "irpropertyobserver.h" 
+#include "irpropertychangeao.h"
+#include "irqlogger.h"
+
+ 
+CIRPropertyObserver::CIRPropertyObserver(MIRPropertyObserverInterface* aObserver) :
+    iCallStatusObserver(NULL),iIsCallActive(EFalse),iPropertyObserver(aObserver)
+{
+    LOG_METHOD;
+    Q_ASSERT(aObserver!=NULL);
+}
+ 
+void CIRPropertyObserver::ConstructL()
+{    
+    LOG_METHOD;
+    
+    TInt  callStatus = 0 ;
+    TBool sucess = EFalse;
+    
+    iCallStatusObserver = CIRPropertyChangeAO::NewL(this, KPSUidCtsyCallInformation, KCTsyCallState);      
+    iCallStatusObserver->ActivateL();
+    
+    sucess = iCallStatusObserver->ValueInt(callStatus);
+    if( sucess )
+    {
+        iIsCallActive = ( callStatus > EPSCTsyCallStateNone );
+    }
+    else
+    {
+        iIsCallActive = EFalse;
+    }     
+}
+ 
+CIRPropertyObserver::~CIRPropertyObserver()
+{        
+    delete iCallStatusObserver; 
+    iCallStatusObserver = NULL;
+}
+
+ 
+CIRPropertyObserver* CIRPropertyObserver::NewL(MIRPropertyObserverInterface* aObserver)
+{    
+    LOG_METHOD;
+    CIRPropertyObserver* self = NewLC(aObserver);  
+    CleanupStack::Pop(self);    
+    return self;
+}
+
+CIRPropertyObserver* CIRPropertyObserver::NewLC(MIRPropertyObserverInterface* aObserver)
+{
+    CIRPropertyObserver* self = new (ELeave) CIRPropertyObserver(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+}
+
+TBool CIRPropertyObserver::IsCallActive() const
+{
+    return iIsCallActive;            
+}
+
+void CIRPropertyObserver::HandlePropertyChangeL(const TUid& aCategory,
+        const TUint aKey, const TInt aValue)
+{         
+    LOG_FORMAT( "HandlePropertyChangeL_ENTRY. aKey = %d, aValue = %d", aKey, aValue);
+    if (aCategory == KPSUidCtsyCallInformation && aKey == KCTsyCallState)
+    {
+        if ((!iIsCallActive) && (aValue > EPSCTsyCallStateNone))
+        { 
+            iIsCallActive = ETrue;
+            iPropertyObserver->callIsActivated();
+        }
+        else if ((iIsCallActive) && (aValue <= EPSCTsyCallStateNone))
+        {
+            iIsCallActive = EFalse;
+            iPropertyObserver->callIsDeactivated();
+        }
+    }
+}
+
+void CIRPropertyObserver::HandlePropertyChangeErrorL(const TUid& aCategory,
+        const TUint aKey, const TInt aError)
+{
+    LOG_METHOD;
+    Q_UNUSED(aCategory);
+    Q_UNUSED(aKey);
+    iPropertyObserver->errorCallback(aError);
+}