mtpdataproviders/mtpfileandfolderdp/inc/cmtpfiledpconfigmgr.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 27 May 2010 13:42:43 +0300
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// Copyright (c) 2006-2009 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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//
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/**
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 @file
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 @internalTechnology
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*/
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#ifndef CMTPFILEDPCONFIGMGR_H
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#define CMTPFILEDPCONFIGMGR_H
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#include <e32base.h>
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#include <badesca.h>
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#include <mtp/mtpprotocolconstants.h>
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class MMTPDataProviderFramework;
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class CMTPFileDpConfigMgr : 
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	public CBase
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	{
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public:
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	enum TParameter
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	    {
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    	/**
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    	The object format code exclusion list parameter.
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    	*/
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    	EFormatExclusionList,
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    	/**
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    	The object format code mappings.
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    	*/
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    	EFormatMappings,
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    	/**
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    	The maximum number of data objects that are enumerated on each 
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    	iteration of the file data provider's object enumerator.
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    	Setting this to a smaller < 128 number will reduce the running time of the
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    	enumerator ActiveObject RunL as to allow other ActiveObjects to run. 
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    	The downside is that the enumerator will take longer to iterate over 
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    	directory entries due less objects being added in each RunL call.
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    	Setting this to a larger number > 128 will increase the running time of the
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    	enumerator ActiveObject RunL decreasing total enumerator running time but
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    	potentially starving out other ActiveObjects.
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    	*/
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    	EEnumerationIterationLength,
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    	};
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public:
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	static CMTPFileDpConfigMgr* NewL(MMTPDataProviderFramework& aFramework);
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	~CMTPFileDpConfigMgr();
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	TUint UintValueL(TParameter aParam) const;
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	void GetArrayValueL(TParameter aParam, RArray<TUint>& aArray) const;
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	static TInt FormatCompare(const TUint& aFirst, const TUint& aSecond);
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private:
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	CMTPFileDpConfigMgr(MMTPDataProviderFramework& aFramework);
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	void ConstructL();
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	void ReadFormatExclusionListL(RArray<TUint>& aArray) const;
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private:
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	MMTPDataProviderFramework& iFramework;
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	TUint iResourceId;
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	TUint iEnumItrLength;
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	RArray<TUint> iExcludedFormats;
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	};
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#endif // CMTPFILEDPCONFIGMGR_H