applayerpluginsandutils/uripermissionservices/server/inc/urilistwritestream.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 16:17:02 +0300
branchRCL_3
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// Copyright (c) 2007-2009 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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// uriliststream.h
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// @internalComponent
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// 
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//
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#ifndef __URILISTSTREAM_H_
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#define __URILISTSTREAM_H_
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#include <s32mem.h>
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#include "dbaccessor.h"
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#include <uri8.h>
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#include <ineturilistdef.h>
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class CInetUriImpl;
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class CUriQueryFilter;
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/**
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CUriListStream manages all the server to client data transfer query results via IPC. This class
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reads the result from the storage( via the MDBTransaction object ), packs the data and send it 
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via IPC. The query results contain multiple records and could contain maximum IPC data size. Basically,
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this class is used for transfering query results to the client.
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@internalComponent
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*/
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class CUriListStream : public CBase
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	{
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	public:
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		static CUriListStream* NewL ( CUriQueryFilter* aQueryFilter );
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		virtual ~CUriListStream ();
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		TInt WriteUriListL ( TPtrC8& aData );
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	private:
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		CUriListStream ();
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		void ConstructL ( CUriQueryFilter* aQueryFilter );
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		void PopulateDataFieldsL ();
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		void ResetL ();
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		TInt PendingWriteStreamSizeL ();
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		CUri8* CreateUriL ();
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		void SetUriComponentL ( CUri8& aUri, const TDesC8& aUriComponent, TUriComponent aComponent );
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	private:
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		CBufFlat* 			iIpcBuffer;
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		RBufWriteStream 	iWriteStream;	
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		CInetUriImpl*		iInetUri;
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		CUriQueryFilter*	iQueryFilter;
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	};
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//----------------------------------------
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#endif // __URILISTSTREAM_H_