/*

* Copyright (c) 2004-2008 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:  CCFDelay class declaration.

*

*/

#ifndef C_CFDELAY_H

#define C_CFDELAY_H

#include <e32base.h>

#include <cfcontextobject.h>

#include "cfdelayexpired.h"

/**

* Delays the call to expiration interface.

*

* @lib -

* @since S60 5.0

*/

NONSHARABLE_CLASS( CCFDelay ) : public CTimer

    {

public:

    /**

    * Two phased constructors.

    *

    * @since S60 5.0

    * @param

    * @return CCFDelay*

    */

    static CCFDelay* NewL( MCFDelayExpired& aDelayer );

    static CCFDelay* NewLC( MCFDelayExpired& aDelayer );

    // Destructor

    ~CCFDelay();

public: // New methods

    /**

    * Starts the delay.

    * If there is an ongoing delay it will be automatically cancelled and

    * new delay is started.

    *

    * @since S60 5.0

    * @param aDelay defines the delay in microseconds.

    * @return None.

    */

    void Delay( const TTimeIntervalMicroSeconds32& aDelay );

private: // From base classes

    // @see CActive

    void RunL();

    // @see CActive

    TInt RunError( TInt aError );

private:

    CCFDelay( MCFDelayExpired& aDelayer );

    void ConstructL();

private: // Data

    /** Interface to be called when the delay has expired. */

    MCFDelayExpired& iDelayer;

    /** Stores the required delay. */

    TInt iDelay;

    /** Stores the time when delay was started. */

    TTime iDelayStartTime;

    };

#endif // C_CFDELAY_H