/*

* 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:    Provides a comfort noise generator class

*

*/

#ifndef SENDSTATEMACHINE_H

#define SENDSTATEMACHINE_H

//  INCLUDES

#include <e32base.h>

#include <e32std.h>

#include <mmfformat.h>

// DATA TYPES

// Send states.

// CLASS DECLARATION

class MSendStateObserver 

    {

    public:

        virtual void TimerExpiredL() = 0;

    };

/**

*  Sendstate machine

*/

class CSendStateMachine : public CBase

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CSendStateMachine* NewL( MSendStateObserver* aClient );

        /**

        * Destructor.

        */

        virtual ~CSendStateMachine() ;

    public: // New functions

	     // Starts the timer.

	    void Start  ();

	    // Cancels the timer.

	    void Cancel ();

	    void SetTimeOut(TTimeIntervalMicroSeconds32 aValue);

    private: // Functions from base classes

    	static TInt IdleCallBackL (TAny* aPtr);

    private:

        /**

        * C++ default constructor.

        */

        CSendStateMachine( MSendStateObserver* aClient );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private: // Data

        // Client who uses this state machine

        MSendStateObserver* iClient;

        CPeriodic*  iPeriodic; 

        TTimeIntervalMicroSeconds32 iTimeOutValue;

    };