--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/uiinc/irsystemeventdetector.h	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2004-2008 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:  Header file for CIRSystemEventDetector.
+*
+*/
+
+
+#ifndef IRSYSTEMEVENTDETECTOR_H
+#define IRSYSTEMEVENTDETECTOR_H
+
+#include <e32base.h>
+
+#include "irpropertyobserver2.h"
+
+class MIRSystemEventDetectorObserver;
+
+/**
+* Catches notification of the call and network state changes.
+*
+* Class provides implementation to detect system events and notify UI components of the event,
+* Class keeps several instances of CVPropertyObserver, and those instances send event notifications 
+* about the particular system component state change. 
+*/
+NONSHARABLE_CLASS( CIRSystemEventDetector ) : public CBase, public MIRPropertyChangeObserver2
+    {
+    public:
+
+        /**
+        * Two-phased constructor.
+        * @param aObserver a reference to the observer interface implementer
+        */
+        static CIRSystemEventDetector* NewL(MIRSystemEventDetectorObserver&  aObserver);
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CIRSystemEventDetector();
+
+		/**
+		* Returns network coverage state (wlan or mobile).
+		*/
+		TBool IsNetworkCoverage() const;
+
+		/**
+		* Returns mobile network coverage state.
+		*/
+		TBool IsMobileNetworkCoverage() const;
+
+		/**
+		* Returns current call state.
+		*/
+		TBool IsCallActive() const;
+		
+		/**
+		* Returns current audio resources state.
+		* @return audio resources state 
+		*/
+		TBool IsAudioResourcesAvailable() const;
+		
+		/**
+		* Returns current Voice UI state.
+		* @return ETrue if Voice UI is active, EFalse otherwise
+		*/
+		TBool IsVoiceUiActive() const;
+
+    protected:
+    
+// from base class MIRPropertyChangeObserver2
+	    void HandlePropertyChangeL(const TUid& aCategory, const TUint aKey, const TInt aValue);
+	    void HandlePropertyChangeL(const TUid& aCategory, const TUint aKey, const TDesC8& aValue);
+	    void HandlePropertyChangeL(const TUid& aCategory, const TUint aKey, const TDesC& aValue);
+	    void HandlePropertyChangeErrorL(const TUid& aCategory, const TUint aKey, TInt aError);
+   
+    private:
+
+        /**
+        * By default EPOC constructor is private.
+        */
+        void ConstructL();
+        
+        /**
+        * Used internally to change network coverage status and report it to observer.
+        **/
+        void CIRSystemEventDetector::SetNetworkCoverageL( const TBool aIsMobileNetworkCoverage,
+        		 const TBool aIsWlanCoverage );
+
+        /**
+        * C++ default constructor.
+        * @param aObserver a reference to the observer interface implementer     
+        */
+        CIRSystemEventDetector(MIRSystemEventDetectorObserver&  aObserver);
+    
+	private:    // Data
+    
+        /**Observer which will be notified of the call and network state changes*/
+		MIRSystemEventDetectorObserver&  iObserver;
+	
+        /** handler to Publish & Subscribe interface*/        		
+        CIRPropertyObserver2*    iCallStatusObserver;
+        /** handler to Publish & Subscribe interface*/        		
+        CIRPropertyObserver2*    iNetworkStatusObserver;
+        /** handler to Publish & Subscribe interface*/        		
+        CIRPropertyObserver2*    iVoiceUiObserver;
+        /** handler to Publish & Subscribe interface*/        		
+        CIRPropertyObserver2*    iAudioPolicyObserver;
+        /** handler to Publish & Subscribe interface*/        		
+        CIRPropertyObserver2*    iWlanObserver;
+
+		/**Indicator for the mobile network status*/
+		TBool iIsMobileNetworkCoverage;
+
+		/**Indicator for the wlan network status*/
+		TBool iIsWlanCoverage;
+		
+		/**Indicator for the call status*/
+		TBool iIsCallActive;
+        
+        /** Array of audio policy categories that VR must not resume after. */
+        RArray<TInt> iNoAutoResumeAudioCategories;
+        
+        /** Indicator for audio resource status. */
+		TBool iIsAudioResourcesAvailable;
+		
+		/** Indicator for Voice UI status. */
+		TBool iIsVoiceUiActive;
+    };
+
+#endif   // IRSYSTEMEVENTDETECTOR_H   
+