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 CSERVERIDLEGUARD_H

    20 #define CSERVERIDLEGUARD_H

    21 

    22 #include <e32base.h>

    23 

    24 #include "imageprint.h"

    25 #include "tidleguarddata.h"

    26 

    27 class TEvent;

    28 class CImagePrintBody;

    29 class TMessageWrp2;

    30 

    31 class CServerIdleGuard : public CBase, public MIdleObserver

    32 	{

    33 	public:

    34 		

    35 		/**

    36 		 *	2-phase constructor

    37 		 *

    38 		 *	@param aEngine printing engine

    39 		 *	@return new object

    40 		 */

    41 		static CServerIdleGuard* NewL( CImagePrintBody& aEngine );

    42 		

    43 		/**

    44 		 *	Destructor		 

    45 		 */

    46 		~CServerIdleGuard();

    47 

    48 	private: // from MIdleObserver

    49 		

    50 		void StatusEvent(const TEvent &aEvent, TInt aError, TInt aMsgCode);

    51 		

    52 	public:

    53 	

    54 		/**

    55 		 *	Start and continue waiting for idle events

    56 		 *

    57 		 *	@param aMessage message completed upon event arrival

    58 		 */

    59 		void Guard( TMessageWrp2& aMessage );

    60 		

    61 		/**

    62 		 *	Stop waiting for idle events. Cancel waiting message

    63 		 */

    64 		void Stop();

    65 

    66 	private:

    67 

    68 		CServerIdleGuard( CImagePrintBody& aEngine );

    69 		void ConstructL();

    70 		void DoStatusEventL( const TEvent &aEvent, TInt aError, TInt aMsgCode );

    71 		void Process( TInt aErr = KErrNone );

    72 		void DoProcessL();

    73 		

    74 	private: // data

    75 	

    76 		CImagePrintBody& iEngine;

    77 		TMessageWrp2* iMessage;

    78 		RArray<TIdleGuardData> iBuffer;

    79 		TBool iRequestActive;

    80 	};

    81 

    82 

    83 #endif // CSERVERIDLEGUARD_H

    84 

    85 //  End of File