uiservicetab/vimpstengine/inc/cvimpstenginerequestmapper.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:33:36 +0100
branchRCL_3
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/*
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* Copyright (c) 2008 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: implements the request mapper
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*
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*/
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// INCLUDE FILES
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#ifndef CVIMPSTENGINEREQUESTMAPPER_H__
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#define CVIMPSTENGINEREQUESTMAPPER_H__
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#include <e32base.h>
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#include <ximpbase.h>
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#include "tvimpstenums.h"
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// farword declaration
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class CVIMPSTEngineRequest;
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/**
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 *  This class implements the request mapper
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 *
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 *  @lib vimpstengine.lib
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 *  @since S60 5.0
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 */
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NONSHARABLE_CLASS(CVIMPSTEngineRequestMapper) :public CBase
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	{
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	public:  // Two-phased constructors and destructor
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       /**
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		* Two-phased constructor.
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		*/
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		static CVIMPSTEngineRequestMapper* NewL();
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       /**
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		* Two-phased constructor.
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		*/
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		static CVIMPSTEngineRequestMapper* NewLC();
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		/**
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		* destructor
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		*/
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		virtual ~CVIMPSTEngineRequestMapper();
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		/**
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		* CreateRequestL  
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		* create request and start wait if required 
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		* @param aRequestId for request
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		* @param aIsWait, wait or not
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		* @param aType - Request Type defined in tvimpstenums.h
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		* @return pointer to created CVIMPSTEngineRequest
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		*/
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		CVIMPSTEngineRequest* CreateRequestL(TXIMPRequestId& aRequestId, 
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										TBool aIsWait,
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										TXimpOperation aType) ;
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		/**
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		* FindRequestId   
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		* find the request id
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		* @param aRequestId to find
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		* @return the object of found CVIMPSTEngineRequest. If request not found
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		*  this return value contains NULL. The ownership is not transferred to the caller
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		*/
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		CVIMPSTEngineRequest* FindRequestId(const TXIMPRequestId& aRequestId ) ;
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		/**
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		* RemoveRequestId 
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		* Removes the object identified by aRequestId from request array and deletes the handle.
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		* Client must call this method every time XIMP operation has finished.
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		* If matching object is not found, this function does nothing.
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		* @param aRequestId, id to be matched to request handles.
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		* @return None
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		*/      
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		void RemoveRequestId(const TXIMPRequestId& aRequestId) ;
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	private:
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		/**
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		* constructor
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		*/
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		CVIMPSTEngineRequestMapper();
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	private:
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		// own , array of CVIMPSTEngineRequest
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		RPointerArray< CVIMPSTEngineRequest > iRequestArray;
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};
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#endif //CVIMPSTENGINEREQUESTMAPPER_H__
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// end of file