--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/IMPSAlwaysOnlinePlugin/src/CPEngAOCallObserver.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2004 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:  Resolves the network registration state and listens to the
+*				 registration state changes
+*
+*/
+
+
+
+#ifndef __CPENGAOCALLOBSERVER_H
+#define __CPENGAOCALLOBSERVER_H
+
+//  INCLUDES
+#include "MIMPSSystemNotifierObserver.h"
+
+#include <e32base.h>
+#include <e32std.h>
+
+// FORWARD DECLARATIONS
+class MPEngAOCallObserver;
+class MIMPSSystemNotifier;
+
+// CLASS DECLARATION
+
+/**
+*  Network observer class for getting the current network status and getting
+*  the events of network registration change.
+*  @lib PEngAOPlugin.lib
+*  @since 2.1
+*/
+class CPEngAOCallObserver : public CBase,
+            public MIMPSSystemNotifierObserver
+    {
+
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CPEngAOCallObserver* NewL();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CPEngAOCallObserver();
+
+    public: // New functions
+
+        /**
+        * Checks if there's an active call currently. And if there is, calls
+        * StartObserving to start the observing of the call and
+        * sets the observer to which the notify about the call events is
+        * given.
+        * @param aObserver Call observer
+        * @return TBool ETrue if there's an active call, else EFalse
+        */
+        TBool CallActive( MPEngAOCallObserver* aObserver );
+
+        /**
+         * Stops observing call state
+         */
+        void StopObserving();
+
+        /**
+        * Mark the testing class a friend, because this class is not "public" class
+        */
+        friend class T_CPEngAOCallObserver; // CSI: 36 # Only used for testing
+
+    protected:  // From MIMPSSystemNotifierObserver
+
+        /**
+        * @see MIMPSSystemNotifierObserver
+        */
+        void HandleSystemNotifierEventL( TUid aKey, TInt aValue );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CPEngAOCallObserver();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private: // helpers
+
+        /**
+        * Calls HandleCallEndedL for all observers
+        * @param TBool Whether the call ended already or not
+        */
+        void HandleCallEndedL( TBool aEnded );
+
+    private:    // Data
+        /// system events observer
+        MIMPSSystemNotifier* iSystemNotifier;
+
+        /// call observing object.
+        MPEngAOCallObserver* iObserver;
+
+        /// Reserved pointer for future extension
+        TAny* iReserved;
+
+
+    };
+
+#endif      // __CPENGAOCALLOBSERVER_H
+
+// End of File