diff -r cce62ebc198e -r 93c594350b9a fmradio/activeidleengine/inc/fmradioactiveidleengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fmradio/activeidleengine/inc/fmradioactiveidleengine.h	Wed Sep 01 12:30:32 2010 +0100
@@ -0,0 +1,176 @@
+/*
+* 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: Engine component for FMRadio Active Idle plugin.
+*
+*/
+
+
+#ifndef __FMRADIOACTIVEIDLEENGINE_H__
+#define __FMRADIOACTIVEIDLEENGINE_H__
+
+#include <e32base.h>
+#include <fmradiointernalpskeys.h>
+
+#include "fmradiopropertyobserver.h"
+
+class MFMRadioActiveIdleEngineNotifyHandler;
+
+
+/**
+* Engine component for FMRadio Active Idle plugin.
+*
+* This class is responsible for listening to relevant P&S keys and notifying the UI code whenever the listened keys change.
+* The actual listening is done by multiple CFMRadioPropertyObserver objects.
+* 
+* @lib fmradioactiveidleengine200.lib
+* 
+*/
+NONSHARABLE_CLASS(CFMRadioActiveIdleEngine) : public CBase, public MFMRadioPropertyChangeObserver
+    {
+    public:
+        
+        /**
+        * Static constructor.
+        * @param    aObserver   The observer to be notified of the changes in the keys.
+        * @return   The newly created CFMRadioActiveIdleEngine object.
+        */
+        IMPORT_C static CFMRadioActiveIdleEngine* NewL( MFMRadioActiveIdleEngineNotifyHandler& aObserver );
+        
+        /**
+        * Destructor.
+        */
+        IMPORT_C ~CFMRadioActiveIdleEngine();
+        
+        /**
+        * Activates subscription to P&S keys if not already active.
+        * Must be called after CFMRadioActiveIdleEngine::NewL, or after Cancel.
+        */
+        IMPORT_C void ActivateL();
+        
+        /**
+        * Stops subscribing to P&S keys.
+        */
+        IMPORT_C void Cancel();
+                
+        /**
+        * Returns the current volume level of the radio.
+        * @return   The current volume level of the radio.
+        */
+        IMPORT_C TInt RadioVolume() const;
+        
+        /**
+        * Sets the radio volume.
+        * @param    aVolume     The radio volume to set.
+        */
+        IMPORT_C void AdjustRadioVolume( TFMRadioPSAdjustVolume aVolume ) const;
+
+        /**
+        * Returns the current tuning state.
+        * @return   The current tuning state.
+        */
+        IMPORT_C TFMRadioPSTuningState TuningState() const;
+        
+        /**
+        * Returns the current frequency.
+        * @return   The current frequency.
+        */
+        IMPORT_C TInt Frequency() const;
+        
+        /**
+        * Returns the current channel ID.
+        * @return   The current channel ID.
+        */
+        IMPORT_C TInt Channel() const;
+        
+        /**
+        * Returns the current channel name.
+        * @return   The current channel name.
+         */
+        IMPORT_C const TDesC& ChannelName() const;
+        
+        /**
+        * Returns the current mute state.
+        * @return   The current mute state.
+        */
+        IMPORT_C TFMRadioPSRadioMuteState MuteState() const;
+        
+        /**
+        * Sets the mute state.
+        * @param    aMuteState  The mute state to set.
+        */
+        IMPORT_C void SetMuteState( TFMRadioPSRadioMuteState aMuteState ) const;
+        
+        /**
+        * Returns the antenna's current connectivity status. 
+        * @return   The antenna's current connectivity status.
+        */
+        IMPORT_C TFMRadioPSHeadsetStatus AntennaStatus() const;
+        
+        /**
+        * Returns the current frequency decimal count.
+        * @return   The current frequency decimal count.
+        */
+        IMPORT_C TFMRadioPSFrequencyDecimalCount FrequencyDecimalCount() const;
+        
+        /**
+        * Returns FM Radio application's running state.
+        * @return Application's running state.
+        */
+        IMPORT_C TFMRadioPSApplicationRunningState ApplicationRunningState() const;
+        
+        /**
+        * Returns the radio's power state.
+        * @return   The power state.
+        */
+        IMPORT_C TFMRadioPSRadioPowerState PowerState() const;
+        
+        /**
+        * Returns the RDS Program Service information.
+        * @return   RDS Program Service.
+        */
+        IMPORT_C const TDesC& RDSProgramService() const;
+
+    protected: 
+
+		// from base class MFMRadioPropertyChangeObserver
+        void HandlePropertyChangeL( const TUid& aCategory, TUint aKey, TInt aValue );
+        void HandlePropertyChangeL( const TUid& aCategory, TUint aKey, const TDesC8& aValue );
+        void HandlePropertyChangeL( const TUid& aCategory, TUint aKey, const TDesC& aValue );
+        void HandlePropertyChangeErrorL( const TUid& aCategory, TUint aKey, TInt aError );
+        
+    private:
+    
+        /**
+        * Constructor.
+        * @param    aObserver   The observer to be notified of the changes in the keys.
+        */
+        CFMRadioActiveIdleEngine( MFMRadioActiveIdleEngineNotifyHandler& aObserver );
+    
+        /**
+        * Second-phase constructor.
+        */
+        void ConstructL();        
+        
+    protected:
+    
+        /** The observer to be notified of the changes in the listened keys. */
+        MFMRadioActiveIdleEngineNotifyHandler& iObserver;
+        /** Array of status observers. */
+        RPointerArray<CFMRadioPropertyObserver> iPropertyObserverArray;
+
+	private:
+        
+    };
+
+#endif //__FMRADIOACTIVEIDLEENGINE_H__