1 /*

     2 * Copyright (c) 2009 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:  CCSconTimeOut header file

    15 *

    16 */

    17 

    18 

    19 #ifndef CSCONTIMEOUT_H

    20 #define CSCONTIMEOUT_H

    21 

    22 #include <e32base.h>	// For CActive, link against: euser.lib

    23 #include <e32std.h>		// For RTimer, link against: euser.lib

    24 

    25 class MTimeOutObserver

    26     {

    27 public:

    28     virtual void TimeOut() = 0;

    29     };

    30 

    31 class CCSconTimeOut : public CActive

    32     {

    33 public:

    34     // Cancel and destroy

    35     ~CCSconTimeOut();

    36 

    37     // Two-phased constructor.

    38     static CCSconTimeOut* NewL( MTimeOutObserver& aTimeOutObserver );

    39     

    40 public:

    41     // New functions

    42     // Function for making the timeout request

    43     void Start(TTimeIntervalMicroSeconds32 aDelay);

    44     

    45 private:

    46     // C++ constructor

    47     CCSconTimeOut( MTimeOutObserver& aTimeOutObserver );

    48     

    49     // Second-phase constructor

    50     void ConstructL();

    51     

    52 private:

    53     // From CActive

    54     // Handle completion

    55     void RunL();

    56     

    57     // How to cancel me

    58     void DoCancel();

    59     

    60     // Override to handle leaves from RunL(). Default implementation causes

    61     // the active scheduler to panic.

    62     TInt RunError(TInt aError);

    63     

    64 private:

    65     enum TCSconTimeOutState

    66         {

    67         EUninitialized, // Uninitialized

    68         EInitialized, // Initalized

    69         EError

    70         // Error condition

    71         };

    72 

    73 private:

    74     TInt iState; // State of the active object

    75     RTimer iTimer; // Provides async timing service

    76     MTimeOutObserver& iTimeOutObserver;

    77     };

    78 

    79 #endif // CSCONTIMEOUT_H