1 /*

     2 * Copyright (c) 2004-2007 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:  

    15 *

    16 */

    17 

    18 

    19 #ifndef CIDLEGUARD_H

    20 #define CIDLEGUARD_H

    21 

    22 #include <e32base.h>

    23 

    24 class RImagePrintClient;

    25 class MIdleObserver;

    26 class TIdleGuardData;

    27 

    28 class CIdleGuard : public CActive

    29 	{

    30 	public:

    31 

    32 		/**

    33          *	2-phase constructor

    34          *	

    35 		 *	@param aClient client for communication with server process 

    36          *  @return new object

    37          */

    38 		IMPORT_C static CIdleGuard* NewL( RImagePrintClient& aClient );

    39 		

    40 		/**

    41          *	Destructor         

    42          */

    43 		IMPORT_C ~CIdleGuard();	

    44 		

    45 	public:

    46 	

    47 		/**

    48          *	Start watching for idle events

    49          *	

    50 		 *	@param aObserver observer for notifications about idle events

    51          */

    52 		IMPORT_C void Guard( MIdleObserver* aObserver );

    53 

    54 	private:

    55 

    56 		CIdleGuard( RImagePrintClient& aClient );

    57 		void ConstructL();

    58 		

    59 	private: // from CActive

    60 	

    61 		void RunL();

    62 		void DoCancel();

    63 		

    64 	private: // data

    65 	

    66 		RImagePrintClient& iClient;

    67 		MIdleObserver* iObserver;

    68 		TIdleGuardData* iData;

    69 	};

    70 

    71 

    72 #endif // CIDLEGUARD_H

    73 

    74 //  End of File