1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef CMTPFILEDPCONFIGMGR_H

    22 #define CMTPFILEDPCONFIGMGR_H

    23 

    24 #include <e32base.h>

    25 #include <badesca.h>

    26 

    27 #include <mtp/mtpprotocolconstants.h>

    28 

    29 class MMTPDataProviderFramework;

    30 

    31 class CMTPFileDpConfigMgr : 

    32 	public CBase

    33 	{

    34 public:

    35 	enum TParameter

    36 	    {

    37     	/**

    38     	The object format code exclusion list parameter.

    39     	*/

    40     	EFormatExclusionList,

    41     	

    42     	/**

    43     	The object format code mappings.

    44     	*/

    45     	EFormatMappings,

    46  

    47     	/**

    48     	The maximum number of data objects that are enumerated on each 

    49     	iteration of the file data provider's object enumerator.

    50     	

    51     	Setting this to a smaller < 128 number will reduce the running time of the

    52     	enumerator ActiveObject RunL as to allow other ActiveObjects to run. 

    53     	The downside is that the enumerator will take longer to iterate over 

    54     	directory entries due less objects being added in each RunL call.

    55     	

    56     	Setting this to a larger number > 128 will increase the running time of the

    57     	enumerator ActiveObject RunL decreasing total enumerator running time but

    58     	potentially starving out other ActiveObjects.

    59     	*/

    60     	EEnumerationIterationLength,

    61     	};

    62 	

    63 public:

    64 	static CMTPFileDpConfigMgr* NewL(MMTPDataProviderFramework& aFramework);

    65 	~CMTPFileDpConfigMgr();

    66 	

    67 	TUint UintValueL(TParameter aParam) const;

    68 	

    69 	void GetArrayValueL(TParameter aParam, RArray<TUint>& aArray) const;

    70 	

    71 	static TInt FormatCompare(const TUint& aFirst, const TUint& aSecond);

    72 	

    73 private:

    74 	CMTPFileDpConfigMgr(MMTPDataProviderFramework& aFramework);

    75 	void ConstructL();

    76 	

    77 	void ReadFormatExclusionListL(RArray<TUint>& aArray) const;

    78 	

    79 private:

    80 	MMTPDataProviderFramework& iFramework;

    81 	TUint iResourceId;

    82 	

    83 	TUint iEnumItrLength;

    84 	RArray<TUint> iExcludedFormats;

    85 	};

    86 

    87 #endif // CMTPFILEDPCONFIGMGR_H