--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpx/playbackframework/playbackengine/inc/mpxaccessoryobserver.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,195 @@
+/*
+* Copyright (c) 2006 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:  Accessory observer
+*
+*/
+
+
+#ifndef CMPXACCESSORYOBSERVER_H
+#define CMPXACCESSORYOBSERVER_H
+
+//  INCLUDES
+#ifdef __ACCESSORY_FW
+#include <AccessoryMode.h>
+#include <AccessoryServer.h>
+#include <AccPolAccessoryMode.h>
+#else
+#include <e32base.h>
+#include <DosSvrServices.h>
+#endif // __ACCESSORY_FW
+
+#include <mpxplaybackframeworkdefs.h>
+
+// FORWARD DECLARATIONS
+#ifndef __ACCESSORY_FW
+class RDosServer;
+#endif // __ACCESSORY_FW
+
+/**
+*  Interface for handling accessory event
+*/
+NONSHARABLE_CLASS(MMPXAccessoryEventObserver)
+    {
+public:
+    /**
+    *   Handle accessory event
+    *
+    *   @param aMode playback accessory mode
+    */
+    virtual void HandleAccesoryEventL(TMPXPlaybackAccessoryMode aMode)=0;
+    };
+
+
+#ifdef __ACCESSORY_FW
+
+NONSHARABLE_CLASS( CMPXAccessoryObserver ): public CActive
+    {
+    public: // constructor & destructor
+
+        /** 
+        * Two phase constructor
+        * @param aObs  Reference to an event observer
+        */
+        static CMPXAccessoryObserver* NewL(MMPXAccessoryEventObserver& aObs);
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMPXAccessoryObserver();
+
+    public: 
+
+        /**
+        * Starts listening to Accessory events.
+        * @param None
+        * @return None
+        */
+        void StartL();
+        
+        /*
+        * Gets current accessory mode
+        */
+        TMPXPlaybackAccessoryMode AccessoryModeL();
+        
+    private:    // New functions
+    
+        /**
+        * Converts from accessory mode to internal MPX mode enum
+        * @param aMode Accessory framework mode
+        * @ret MPX Accessory Mode
+        */
+        TMPXPlaybackAccessoryMode ConvertToMpxMode( 
+            TAccPolAccessoryMode& aMode );
+        
+    private: // from CActive
+        /** @see CActive::RunL */
+        void RunL();
+
+        /** @see CActive::DoCancel */
+        void DoCancel();
+        
+    private: // Constructor
+        
+        /**
+        * C++ default constructor.
+        * @param aObs  Reference to an event observer
+        */
+        CMPXAccessoryObserver(MMPXAccessoryEventObserver& aObs);
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private:
+        // Event observer
+        MMPXAccessoryEventObserver& iObs;
+        // Accessory Server session 
+        RAccessoryServer     iServer;
+        // Accessory mode 
+        RAccessoryMode       iMode;
+        TAccPolAccessoryMode iAccessory_mode;
+        
+    };
+
+#else
+/**
+*  Accessary event observer
+*/
+NONSHARABLE_CLASS(CMPXAccessoryObserver): public CDosEventListenerBase
+    {
+public: 
+
+    /**
+    *  Two-phased constructor
+    *
+    *  @param aObs observer
+    *  @return object of constructed
+    */
+    static CMPXAccessoryObserver* NewL(MMPXAccessoryEventObserver& aObs);
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CMPXAccessoryObserver();
+    
+public: // from CDosEventListenerBase
+    /**
+    *  From CDosEventListenerBase
+    *  Accessory mode changed
+    *
+    *  @param aState accessory state
+    */
+    void AccessoryModeChangedL(TDosAccessoryMode aState);
+    
+    /**
+    *  From CDosEventListenerBase
+    *  Start monitoring
+    */
+    void StartL();
+
+    /*
+    * Gets current accessory mode
+    */
+    TMPXPlaybackAccessoryMode AccessoryModeL();
+        
+private:    // New functions
+
+    /**
+    * Converts from accessory mode to internal MPX mode enum
+    * @param aMode Dos Accessory framework mode
+    * @ret MPX Accessory Mode
+    */
+    TMPXPlaybackAccessoryMode ConvertToMpxMode( 
+        TDosAccessoryMode& aMode );
+        
+private: 
+
+    /**
+    *  C++ constructor
+    *
+    *  @param aObs observer
+    */
+    CMPXAccessoryObserver(MMPXAccessoryEventObserver& aObs);
+
+    /**
+    *  2nd phase constructor
+    */
+    void ConstructL();
+private:
+    MMPXAccessoryEventObserver& iObs;
+    };
+#endif // __ACCESSORY_FW
+    
+#endif      // CMPXACCESSORYOBSERVER_H