/*

* Copyright (c) 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 the COsmDelay class.

*

*/

#ifndef Hb0ac1e7a851b4571bffbc4428f4401f4

#define Hb0ac1e7a851b4571bffbc4428f4401f4

#include <e32base.h>

/**

 * Utility for creating delays and timer callbacks.

 * When a delay or timer callback is active, the thread is not stopped

 * and active scheduler events occur normally.

 */

class COsmDelay : public CTimer

    {

public:

    /**

     * Constructor.

     * 

     * @param aCallBack Function that gets called after the timer goes off.

     * @return COsmDelay* Pointer to the created COsmDelay object.

     */

    static COsmDelay* COsmDelay::NewL( TCallBack aCallBack );

    /**

     * Creates a delay of a specified time using CActiveScheduler

     * Start()-Stop() sequence.

     * @param aTime Time in microseconds to wait.

     */

    static void SynchronousWaitL( TInt aTime );

    /**

     * Small wait of 1/100 sec.

     */

    static void SmallWaitL();

    /**

     * Small wait of 1/100 sec. Non-leavable version.

     * @return Error code

     */

    static TInt SmallWait();

private:

    /**

     * Constructor.

     * 

     * @param aCallBack Function that gets called after timer goes off.

     */

    COsmDelay( TCallBack aCallBack );

    /**

     * @see CActive::RunL()

     */

    void RunL();

private:

    /**

     * Callback function

     */

    TCallBack iCallBack;

    };

#endif // Hb0ac1e7a851b4571bffbc4428f4401f4