/*

* Copyright (c) 2007-2010 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:  Observer class for remote control keys

 *

*/

#ifndef SYSAPREMCONOBSERVER_H

#define SYSAPREMCONOBSERVER_H

//  INCLUDES

#include <remconcoreapitargetobserver.h>

// FORWARD DECLARATIONS

class CRemConInterfaceSelector;  

class CRemConCoreApiTarget;

class CSysApAppUi;

// CLASS DECLARATION

/**

*  Class for monitoring side volume key events.

*

*  When FM TX is active the user is not allowed to adjust the volume. This class

*  monitors volume key events and displays a note to the user, informing that

*  it is not possible to adjust the volume.

*

*  @lib None.

*  @since 3.2

*/

NONSHARABLE_CLASS( CSysApRemConObserver ) : public CBase,

                                         public MRemConCoreApiTargetObserver

    {

    public:  // Constructor and destructor

        /**

        * Two-phased constructor.

        */

        static CSysApRemConObserver* NewL( CSysApAppUi& aSysApAppUi );

        /**

        * Destructor.

        */

        virtual ~CSysApRemConObserver();

        /**

         * Open remcon interface and reserve the volume keys

         */

        /**

         * close the remcon interface and release the volume keys

         */

        void StopRemconInterface();

    protected: // Functions from base classes

        /**

        * @see SysApemConCoreApiTargetObserver.

        *

        * A command has been received. 

        * @param aOperationId The operation ID of the command.

        * @param aButtonAct The button action associated with the command.

        */

        void MrccatoCommand( TRemConCoreApiOperationId aOperationId, 

                             TRemConCoreApiButtonAction aButtonAct);

    private: // Functions

        /**

        * C++ default constructor.

        * Not accessible. 

        */

        CSysApRemConObserver();

        /**

        * Constructor.

        */

        CSysApRemConObserver( CSysApAppUi& aSysApAppUi );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private: // Data

		/**

		* Remote Controller interface selector.

		* Own.

		*/

        CRemConInterfaceSelector* iInterfaceSelector;  

        /** 

        * Remote Controller target. 

        * Not own.

        */

        CRemConCoreApiTarget* iCoreTarget;

        /**

        * SysAp application UI class. 

        * Used for showign the UI note.

        */

        CSysApAppUi& iSysApAppUi;

    };

#endif // SYSAPREMCONOBSERVER_H

// End of File