/*

* Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

* Kanrikogaku Kenkyusho, Ltd. - Initial contribution

*

* Contributors:

*

* Description:  

*

*/

#ifndef DIRECTPRINTSERVERJOBGUARD_H

#define DIRECTPRINTSERVERJOBGUARD_H

#include <e32base.h>

#include "imageprint.h"

#include "directprintjobguarddata.h"

class CDirectPrintBody;

class TDpMessage;

class CDirectPrintServerJobGuard : public CBase, public MPrintEventObserver

	{

	public:

		/**

		 *	2-phase constructor

		 *

		 *	@param aEngine printing engine

		 *	@return new object

		 */

		static CDirectPrintServerJobGuard* NewL( CDirectPrintBody& aEngine );

		/**

		 *	Destructor

		 */

		~CDirectPrintServerJobGuard();

	private: // from MPrintEventObserver

		void PrintJobProgressEvent(TInt aStatus, TInt aPercentCompletion, TInt aJobStateCode);

		void PrintJobErrorEvent(TInt aError, TInt aErrorStringCode);

		void PrinterStatusEvent(TInt aError, TInt aErrorStringCode);

		void PreviewImageEvent(TInt aFsBitmapHandle);

		void ShowMessageL(TInt aMsgLine1Code, TInt aMsgLine2Code);

		TBool AskYesNoQuestionL(TInt aMsgLine1Code, TInt aMsgLine2Code);

		const TDesC& AskForInputL(TInt aMsgLine1Code, TInt aMsgLine2Code);

	public:

		/**

		 *	Prepare print job by copying image file name into internal buffer

		 *

		 *	@param aMessage message contains file name of one image. 

		 */

		void PrepareL( TDpMessage& aMessage );

		/**

		 *	Create print job and set this object as print job events observer

		 *

		 *	@param aMessage message contains printer id

		 */

		TInt CreateL( TDpMessage& aMessage );

		/**

		 *	Continue waiting for print job events

		 *

		 *	@param aMessage message completed upon event arrival

		 */

		void ContinueCreateL( TDpMessage& aMessage );

		/**

		 *	Stop waiting for print job events. Cancel waiting message

		 */

		void Stop();

	private:

		CDirectPrintServerJobGuard( CDirectPrintBody& aEngine );

		void ConstructL();

		void Process( TInt aErr = KErrNone );

		void DoProcessL();

		void DoPreProcessL( const TDirectPrintJobGuardData& aData );

	private: // data

		CDirectPrintBody& iEngine;

		TDpMessage* iMessage;

		RArray<TDirectPrintJobGuardData> iBuffer;

		RPointerArray<TDesC> iImages;

		TBool iRequestActive;

	};

#endif // DIRECTPRINTSERVERJOBGUARD_H

//  End of File