--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessoryservices/headsetstatusapi/Inc/CHeadsetStatusObserver.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2005 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: 
+*     CHeadsetStatusObserver functionality.
+*
+*/
+
+
+#ifndef __HEADSETOBSERVER_H__
+#define __HEADSETOBSERVER_H__
+
+#ifdef __ACCESSORY_FW
+
+// INCLUDES
+#include <e32base.h>
+#include <AccPolAccessoryMode.h>
+
+// FORWARD DECLARATIONS
+class MHeadsetStatusObserver;
+class RAccessoryMode;
+
+// CLASS DECLARATION
+
+/**
+*   Active object for receiving asynchronous requests
+*   from accessory mode change events.
+*   Only enabled with __ACCESSORY_FW flag set.
+*/
+NONSHARABLE_CLASS( CHeadsetStatusObserver ): public CActive
+    {
+    public:     // Constructors & destructors
+       
+        /**
+        * Destructor 
+        */
+        ~CHeadsetStatusObserver();
+
+        /**
+        * Symbian two phased constructor.
+        */
+        static CHeadsetStatusObserver* NewL( RAccessoryMode& aAccMode );
+
+    public:     // New methods
+    
+        /**
+        * Sets observer through headset status notifications are received.
+        * @param    aObserver: Observer
+        * @return   None
+        */
+        void SetObserver( MHeadsetStatusObserver* aObserver );
+        
+        /**
+        * Activates observing through RAccessoryMode.
+        * Method will panic if already active.
+        * @param    None
+        * @return   None
+        */
+        void StartObserving();
+        
+    private:  // From base classes
+    
+        // From CActive
+        void RunL();
+        
+        // From CActive
+        void DoCancel();
+    
+        // From CActive
+        TInt RunError( TInt aError );
+        
+    private:    // New methods
+    
+        // Notifies observer from headset status change
+        void NotifyObserverL();
+        
+        // Notifies observer from error
+        void NotifyObserverError( TInt aError );
+                
+    private: 
+        
+        /**
+        * Default Constructor 
+        */
+        CHeadsetStatusObserver( RAccessoryMode& aAccMode );
+        
+        /**
+        * Symbian OS 2nd phase constructor 
+        */
+        void ConstructL();  
+               
+    private:
+    
+        // headset status observer, not owned
+        MHeadsetStatusObserver* iObserver;
+        
+        // reference to RAccessoryMode, not owned
+        RAccessoryMode& iAccMode;
+        
+        // accessory mode
+        TAccPolAccessoryMode iAccPolMode;
+    };
+    
+#endif //__ACCESSORY_FW
+
+#endif //__HEADSETCONTAINER_H__
+
+// End of File