--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqsystemeventhandler/inc/irpropertyobserver.h	Thu May 27 12:46:34 2010 +0300
@@ -0,0 +1,66 @@
+/*
+* 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:
+*
+*/
+
+#ifndef IRPROPERTYOBSERVER_H
+#define IRPROPERTYOBSERVER_H 
+
+#include <e32base.h>
+
+//This is an symbian interface.  
+class MIRPropertyChangeObserverInterface
+{
+
+public:
+
+    virtual void HandlePropertyChangeL(const TUid& aCategory, const TUint aKey, const TInt aValue) = 0;
+    virtual void HandlePropertyChangeErrorL(const TUid& aCategory, const TUint aKey, TInt aError) = 0;
+};
+
+class MIRPropertyObserverInterface;
+class CIRPropertyChangeAO;
+
+class CIRPropertyObserver : public CBase, public MIRPropertyChangeObserverInterface
+{
+public:
+
+    //only two-phase constructor is permit to use
+    static  CIRPropertyObserver* NewL(MIRPropertyObserverInterface* aObserver);
+    static  CIRPropertyObserver* NewLC(MIRPropertyObserverInterface* aObserver);
+    ~CIRPropertyObserver();
+    TBool    IsCallActive() const;
+
+protected:
+
+    //from base class MIRPropertyChangeObserverInterface
+    void HandlePropertyChangeL(const TUid& aCategory, const TUint aKey, const TInt aValue);
+    void HandlePropertyChangeErrorL(const TUid& aCategory, const TUint aKey, TInt aError);
+
+private:
+
+    void ConstructL();
+    CIRPropertyObserver(MIRPropertyObserverInterface* aObserver);
+
+private: 
+    
+    CIRPropertyChangeAO* iCallStatusObserver;
+    TBool                iIsCallActive;
+    
+    MIRPropertyObserverInterface* iPropertyObserver;
+};
+ 
+#endif	//IRPROPERTYOBSERVER_H
+