1 // Copyright (c) 2008-2009 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 // mw/remoteconn/mtpfws/mtpfw/dataproviders/dputility/inc/cmtpknowledgehandler.h

    15 

    16 /**

    17  @file

    18  @internalComponent

    19  */

    20 

    21 #ifndef __CMTPKNOWLEDGEHANDLER_H__

    22 #define __CMTPKNOWLEDGEHANDLER_H__

    23 

    24 #include <mtp/cmtptypeserviceproplist.h>

    25 #include <mtp/mtpprotocolconstants.h>

    26 

    27 #include "mtpdebug.h"

    28 #include "mtpsvcdpconst.h"

    29 #include "mmtpsvcobjecthandler.h"

    30 

    31 class CMTPTypeFile;

    32 class CRepository;

    33 

    34 /** 

    35 Controls access to the knowledge object.

    36 @internalComponent

    37 */

    38 class CMTPKnowledgeHandler : public CBase, public MMTPSvcObjectHandler

    39 	{

    40 public:

    41 	// Basic function

    42 	IMPORT_C static CMTPKnowledgeHandler* NewL(MMTPDataProviderFramework& aFramework, TUint16 aFormatCode, CRepository& aReposotry, const TDesC& aKwgSuid);

    43 	IMPORT_C ~CMTPKnowledgeHandler();

    44 

    45 	

    46 	IMPORT_C void SetStorageId(TUint32 aStorageId);

    47 	IMPORT_C void GetObjectSuidL(TDes& aSuid) const;

    48 

    49 protected:

    50 	// MMTPSvcObjectHandler

    51 	TMTPResponseCode SendObjectInfoL(const CMTPTypeObjectInfo& aObjectInfo, TUint32& aParentHandle, TDes& aSuid);

    52 	TMTPResponseCode GetObjectInfoL(const CMTPObjectMetaData& aObjectMetaData, CMTPTypeObjectInfo& aObjectInfo);

    53 

    54 	TMTPResponseCode SendObjectPropListL(TUint64 aObjectSize, const CMTPTypeObjectPropList& aObjectPropList, TUint32& aParentHandle, TDes& aSuid);

    55 	TMTPResponseCode SetObjectPropertyL(const TDesC& aSuid, const CMTPTypeObjectPropListElement& aElement, TMTPOperationCode aOperationCode);

    56 	TMTPResponseCode GetObjectPropertyL(const CMTPObjectMetaData& aObjectMetaData, TUint16 aPropertyCode, CMTPTypeObjectPropList& aPropList);

    57 	TMTPResponseCode DeleteObjectPropertyL(const CMTPObjectMetaData& aObjectMetaData, const TUint16 aPropertyCode);

    58 

    59 	TMTPResponseCode GetBufferForSendObjectL(const CMTPObjectMetaData& aObjectMetaData, MMTPType** aBuffer);

    60 	TMTPResponseCode GetObjectL(const CMTPObjectMetaData& aObjectMetaData, MMTPType** aBuffer);

    61 	TMTPResponseCode DeleteObjectL(const CMTPObjectMetaData& aObjectMetaData);

    62 

    63 	TMTPResponseCode GetObjectSizeL(const TDesC& aSuid, TUint64& aObjectSize);

    64 	TMTPResponseCode GetAllObjectPropCodeByGroupL(TUint32 aGroupId, RArray<TUint32>& aPropCodes);

    65 	

    66 	void CommitL();

    67 	void CommitForNewObjectL(TDes& aSuid);

    68 	void RollBack();

    69 	void ReleaseObjectBuffer();	

    70 

    71 	enum TCacheStatus

    72 		{

    73 		EOK,

    74 		EDirty,

    75 		EDeleted

    76 		};

    77 	//key of central repository

    78 	enum TMTPKnowledgeStoreKeyNum

    79 		{

    80 		ESize = 0x10001, 

    81 		EDateModified = 0x10002,

    82 		EName = 0x10003,

    83 		ELastAuthorProxyID = 0x10004

    84 		};

    85 	

    86 	TMTPResponseCode SetColumnType128Value(TMTPKnowledgeStoreKeyNum aColumnNum, TMTPTypeUint128& aNewData);

    87 

    88 private:

    89 	CMTPKnowledgeHandler(MMTPDataProviderFramework& aFramework,TUint16 aFormatCode, CRepository& aReposotry, const TDesC& aKwgSuid);

    90 	void ConstructL();

    91 	

    92 	/**

    93 	Get the value from the central repository

    94 	@leave One of the system wide error codes, if repository get value fail

    95 	*/

    96 	void LoadKnowledgeObjPropertiesL();

    97 	/**

    98 	Cleanup Item operation for drop all knowledge properties

    99 	*/

   100 	static void DropCacheWrapper(TAny* aObject);

   101 	void DropKnowledgeObjPropertiesCache();

   102 	/**

   103 	Helper for GetObjectInfo request handling

   104 	*/

   105 	void BuildObjectInfoL(CMTPTypeObjectInfo& aObjectInfo) const;

   106 	/**

   107 	Delete knowledge object properties and content

   108 	@leave One of the system wide error codes, if repository set value fail

   109 	*/

   110 	void DeleteAllObjectPropertiesL();

   111 	

   112 private:

   113 	MMTPDataProviderFramework&  iFramework;

   114 	CRepository&                iRepository;

   115 	TUint32                     iStorageID;

   116 	TUint16                     iKnowledgeFormatCode;

   117 	TUint64                     iKnowledgeObjectSize; 

   118 	HBufC*                      iDateModified;

   119 	HBufC*                      iName;

   120 	TMTPTypeUint128             iLastAuthorProxyID;

   121 	TCacheStatus                iCacheStatus;

   122 	TCacheStatus                iCacheStatusFlag;

   123 	TFileName                   iKnowObjFileName;

   124 	TFileName                   iKnowObjSwpFileName;

   125 	// Knowledge object content file

   126 	CMTPTypeFile*               iKnowledgeObj;

   127 	// Knowledge object swap file

   128 	CMTPTypeFile*               iKnowledgeSwpBuffer;

   129 	const TDesC&               iSuid;

   130 	/**

   131 	FLOGGER debug trace member variable.

   132 	*/

   133 	__FLOG_DECLARATION_MEMBER_MUTABLE;

   134 	};

   135 

   136 #endif // __CMTPKNOWLEDGEHANDLER_H__