1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Declaration of the COsmDelay class.

    15 *

    16 */

    17 

    18 

    19 #ifndef Hb0ac1e7a851b4571bffbc4428f4401f4

    20 #define Hb0ac1e7a851b4571bffbc4428f4401f4

    21 

    22 #include <e32base.h>

    23 

    24 /**

    25  * Utility for creating delays and timer callbacks.

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

    27  * and active scheduler events occur normally.

    28  */

    29 class COsmDelay : public CTimer

    30     {

    31 public:

    32 

    33     /**

    34      * Constructor.

    35      * 

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

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

    38      */

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

    40 

    41     /**

    42      * Creates a delay of a specified time using CActiveScheduler

    43      * Start()-Stop() sequence.

    44      * @param aTime Time in microseconds to wait.

    45      */

    46     static void SynchronousWaitL( TInt aTime );

    47 

    48     /**

    49      * Small wait of 1/100 sec.

    50      */

    51     static void SmallWaitL();

    52 

    53     /**

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

    55      * @return Error code

    56      */

    57     static TInt SmallWait();

    58 

    59 private:

    60 

    61     /**

    62      * Constructor.

    63      * 

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

    65      */

    66     COsmDelay( TCallBack aCallBack );

    67 

    68     /**

    69      * @see CActive::RunL()

    70      */

    71     void RunL();

    72 

    73 private:

    74     /**

    75      * Callback function

    76      */

    77     TCallBack iCallBack;

    78     };

    79 

    80 #endif // Hb0ac1e7a851b4571bffbc4428f4401f4