/*

* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

#ifndef CSERVERIDLEGUARD_H

#define CSERVERIDLEGUARD_H

#include <e32base.h>

#include "imageprint.h"

#include "tidleguarddata.h"

class TEvent;

class CImagePrintBody;

class TMessageWrp2;

class CServerIdleGuard : public CBase, public MIdleObserver

	{

	public:

		/**

		 *	2-phase constructor

		 *

		 *	@param aEngine printing engine

		 *	@return new object

		 */

		static CServerIdleGuard* NewL( CImagePrintBody& aEngine );

		/**

		 *	Destructor		 

		 */

		~CServerIdleGuard();

	private: // from MIdleObserver

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

	public:

		/**

		 *	Start and continue waiting for idle events

		 *

		 *	@param aMessage message completed upon event arrival

		 */

		void Guard( TMessageWrp2& aMessage );

		/**

		 *	Stop waiting for idle events. Cancel waiting message

		 */

		void Stop();

	private:

		CServerIdleGuard( CImagePrintBody& aEngine );

		void ConstructL();

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

		void Process( TInt aErr = KErrNone );

		void DoProcessL();

	private: // data

		CImagePrintBody& iEngine;

		TMessageWrp2* iMessage;

		RArray<TIdleGuardData> iBuffer;

		TBool iRequestActive;

	};

#endif // CSERVERIDLEGUARD_H

//  End of File