ImagePrint/ImagePrintEngine/ImagePrintServer/inc/cserverjobguard.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:45:53 +0200
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/*
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* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  
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*
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*/
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#ifndef CSERVERJOBGUARD_H
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#define CSERVERJOBGUARD_H
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#include <e32base.h>
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#include "imageprint.h"
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#include "tjobguarddata.h"
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class CImagePrintBody;
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class TMessageWrp2;
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class CServerJobGuard : public CBase, public MPrintEventObserver
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	{
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	public:
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		/**
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		 *	2-phase constructor
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		 *
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		 *	@param aEngine printing engine
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		 *	@return new object
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		 */
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		static CServerJobGuard* NewL( CImagePrintBody& aEngine );
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		/**
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		 *	Destructor		 
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		 */
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		~CServerJobGuard();
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	private: // from MPrintEventObserver
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		void PrintJobProgressEvent(TInt aStatus, TInt aPercentCompletion, TInt aJobStateCode);
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		void PrintJobErrorEvent(TInt aError, TInt aErrorStringCode);
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		void PrinterStatusEvent(TInt aError, TInt aErrorStringCode);
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		void PreviewImageEvent(TInt aFsBitmapHandle);
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		void ShowMessageL(TInt aMsgLine1Code, TInt aMsgLine2Code);
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		TBool AskYesNoQuestionL(TInt aMsgLine1Code, TInt aMsgLine2Code);
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		const TDesC& AskForInputL(TInt aMsgLine1Code, TInt aMsgLine2Code);
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	public:
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		/**
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		 *	Prepare print job by copying image file name into internal buffer
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		 *
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		 *	@param aMessage message contains file name of one image. 
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		 */
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		void PrepareL( TMessageWrp2& aMessage );
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		/**
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		 *	Create print job and set this object as print job events observer
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		 *
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		 *	@param aMessage message contains printer id
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		 */
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		TInt CreateL( TMessageWrp2& aMessage );
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		/**
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		 *	Continue waiting for print job events
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		 *
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		 *	@param aMessage message completed upon event arrival
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		 */
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		void ContinueCreateL( TMessageWrp2& aMessage );
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		/**
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		 *	Stop waiting for print job events. Cancel waiting message
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		 */
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		void Stop();
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	private:
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		CServerJobGuard( CImagePrintBody& aEngine );
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		void ConstructL();
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		void Process( TInt aErr = KErrNone );
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		void DoProcessL();
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		void DoPreProcessL( const TJobGuardData& aData );
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	private: // data
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		CImagePrintBody& iEngine;
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		TMessageWrp2* iMessage;
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		RArray<TJobGuardData> iBuffer;
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		RPointerArray<TDesC> iImages;
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		TBool iRequestActive;
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	};
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#endif // CSERVERJOBGUARD_H
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//  End of File