1 /*

     2 * Copyright (c) 2005 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 the License "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:  Waits for request to complete

    15 *

    16 */

    17 

    18 

    19 #ifndef WAITER_H

    20 #define WAITER_H

    21 

    22 #include <e32std.h>

    23 #include <e32base.h>

    24 

    25 NONSHARABLE_CLASS(CWaiter) : public CActive

    26 	{

    27 public://Instantition and Destructor

    28 

    29 	/**

    30 	 * Instantiation

    31 	 */

    32 	static CWaiter* NewL();

    33 

    34 	/**

    35 	 * Destructor.

    36 	 */

    37 	virtual ~CWaiter();

    38 

    39 protected://Construction and destruction

    40 

    41 	/**

    42 	 * Default constructor.

    43 	 */

    44 	CWaiter();

    45 

    46 	/**

    47 	 * 2nd phase constructor

    48 	 */

    49 	void ConstructL();

    50 

    51 public:

    52 

    53 	/**

    54 	 * A sync function which will start waiting. 

    55 	 * This function inturn calls CActiveSchedulerWait::Wait

    56 	 *

    57 	 * @param void

    58 	 * @return void

    59 	 */

    60 	TInt Wait();

    61 

    62 public://From CActive

    63 

    64 	/**

    65 	 * RunL function from CActive

    66 	 * 

    67 	 * @param void

    68 	 * @return void

    69 	 */

    70 	void RunL();

    71 

    72 	/**

    73 	 * Cancel API from CActive

    74 	 *

    75 	 * @param void

    76 	 * @return void

    77 	 */

    78 	void DoCancel();

    79 

    80 	/**

    81 	 * Completes Request

    82 	 * 

    83 	 * @param aStatus This value will be used to complete active object request

    84 	 * @return ETrue is Request is completed otherwise EFalse

    85 	 */

    86 	TBool RequestComplete(TInt aStatus);

    87 

    88 private://Data

    89 

    90 	CActiveSchedulerWait iSyncWait;

    91 	TBool iIsWaiting;

    92 	

    93 	};

    94 #endif /*WAITER_H*/