/*

* 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: Declaration of CPhoneHandlerCallState class.

*

*

*/

#ifndef CPHONEHANDLERCALLSTATE_H

#define CPHONEHANDLERCALLSTATE_H

// INCLUDES

#include <e32base.h>

#include <e32property.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CPhoneHandlerControl;

// CLASS DECLARATION

/**

*  Active object that listens to S60 call states.

*

*  @lib RemConAsy

*  @since S60 3.1

*/

NONSHARABLE_CLASS( CPhoneHandlerCallState ) : public CActive

	{

	public:	// Constructors and destructor

		/**

        * Two-phased constructor.

        */

		static CPhoneHandlerCallState* NewL( CPhoneHandlerControl& aControl );

		/**

        * Destructor.

        */

		~CPhoneHandlerCallState();

	public: // New functions

	public: // Functions from base classes

	protected:  // New functions

    protected:  // Functions from base classes

    	/**

        * From CActive. Handles S60 start up state change event.

        */

    	void RunL();

		/**

        * From CActive. Implements cancellation of an outstanding Subscibe() 

        * request.

        */

		void DoCancel();

	private:

		/**

        * C++ default constructor.

        */

		CPhoneHandlerCallState( CPhoneHandlerControl& aControl );

		/**

        * By default Symbian 2nd phase constructor is private.

        */

		void ConstructL();

		/**

      	* Starts to listen change in S60 start up state.

     	**/

     	void Subscribe();

	public:     // Data

    protected:  // Data

    private:    // Data

    	// Publish and Subscribe handle used to listen changes in call states 

    	RProperty iProperty;

		// reference to control

        CPhoneHandlerControl& iControl;

	public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

	};

#endif // CPHONEHANDLERCALLSTATE_H

// End of File