ncdengine/debuglogger/inc/OsmDelay.h
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     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