/*

* Copyright (c) 2002-2006 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:  Class that observer remote controller framework events

*                and forwards them as key events to observe

*

*/

#ifndef __CVRREMCONOBSERVER_H

#define __CVRREMCONOBSERVER_H

//  INCLUDES

#include <e32def.h>

#include <remconcoreapitargetobserver.h>

// FORWARD DECLARATIONS

class MVRVolumeEventObserver;

class CRemConInterfaceSelector;  

class CRemConCoreApiTarget;

// CLASS DECLARATION

/**

*  Class for monitoring side volume key events.

*  Is also responsible for creating repeating keypresses if key is held down

*

*/

NONSHARABLE_CLASS( CVRRemConObserver )

	: public CBase,	public MRemConCoreApiTargetObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CVRRemConObserver* NewL( MVRVolumeEventObserver* aObserver );

        /**

        * Destructor.

        */

        virtual ~CVRRemConObserver();

    protected: // Functions from base classes

        /**

        * @see MRemConCoreApiTargetObserver.

        *

        * 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:

        /**

        * C++ default constructor.

        */

        CVRRemConObserver( MVRVolumeEventObserver* aObserver );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Catch timer event. Volume command is repeated

        @param aAny

        */

        static TInt DoHandleVolumeRepeatL( TAny* aAny );        

    private:    // Data

    	/** Observer to notify about a event. Not owned. **/

		MVRVolumeEventObserver* iObserver;

		/** Remote Controller. Owned */

        CRemConInterfaceSelector* iInterfaceSelector;  

        /** Remote Controller. Not owned. */

        CRemConCoreApiTarget* iCoreTarget;

        /** Timer for counting key press. Owned. */

        CPeriodic *iVolumeRepeatTimer;

        /** Status of volume command */

        TBool iRemConVolumeCommandOk;

        /** Volume change that is repeated */

        TKeyEvent iVolumeChange;

    };

#endif      // CVRRemConObserver_H   

// End of File