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 //

    15 

    16 #ifndef __CMESSAGECONVERTERMANAGER_H__

    17 #define __CMESSAGECONVERTERMANAGER_H__

    18 

    19 //  Header files

    20 #include <e32base.h>// CBase

    21 #include <e32std.h>	// TBuf

    22 #include "f32file.h"

    23 #include "msvdbadapter.h"

    24 #include "msvmessagedbadapter.h"

    25 

    26 

    27 

    28 // fwd declarations

    29 class CMsvVersion0Version1Converter;

    30 class CMsvVersion1Version2Converter;

    31 class CMsvDBAdapter;

    32 

    33 

    34 //constants

    35 const TUid KUidMsvSmsMtm 			= { 0x1000102c };

    36 const TUid KUidMsgTypePOP3			= {0x10001029};	// 268439593

    37 const TUid KUidMsgTypeIMAP4			= {0x1000102A};	// 268439594

    38 const TUid KUidMsgTypeSMTP			= {0x10001028};	// 268439592

    39 

    40 //Literals

    41 _LIT(KIndexFilePath,"\\Private\\1000484b\\Mail2\\Index");

    42 

    43 

    44 /**

    45 TConversionResumeStatus

    46 A structure having fields as member variables that are required to mainatin and communicate

    47 caonversion status information

    48 

    49 @internalAll 

    50 @released

    51 */

    52 struct TConversionResumeStatus

    53 	{

    54 	TMsvId lastId;

    55 	TMsvId serviceId;

    56 	TInt sourceVersion;

    57 	TInt targetVersion;

    58 	TUid mtmId;

    59 	TInt remainingCount;

    60 	};

    61 

    62 /**

    63 MMsvMessageStoreConverter

    64 A pure virtual class that acts a base class for different version message store conversion

    65 classes. Any class that converts messages from one verion to another must inherit from this.

    66 

    67 @internalAll 

    68 @released

    69 */

    70 class MMsvMessageStoreConverter

    71 	{

    72 public:

    73 	virtual void ConvertMessageStoreL() = 0;

    74 	virtual ~MMsvMessageStoreConverter()

    75 		{

    76 		};

    77 	};

    78 

    79 

    80 /**

    81 CMessageConverterManager

    82 This class manages the conversion of message store from one version to another.

    83 Starts a new conversion or resumes a conversion from the last point.

    84 Owns and initiates conversion of version 0 and version 1 message store.

    85 

    86 @internalAll 

    87 @released

    88 */

    89 NONSHARABLE_CLASS (CMessageConverterManager) : public CBase 

    90 	{

    91 	public:

    92 		static CMessageConverterManager* NewL(TDriveNumber aDriveNumber);

    93 		static TInt StartConversion(TAny* aDrive);

    94 		~CMessageConverterManager();

    95 		void DoConversionL() ;

    96 		

    97 	private: 

    98 		CMessageConverterManager(TDriveNumber aDriveNumber);

    99 		void ConstructL();

   100 		TBool ResumeConversionL();	

   101 		void InitialiseMessageStoreConversionL();

   102 		void RemoveIndexFileL(TDriveNumber aDrive);

   103 		void RollBackVersion0Version1ConversionL();

   104 		void RollBackVersion1Version2ConversionL();		

   105 	private: 

   106 		 RFs ifsSession;

   107 		 CMsvDBAdapter* iDbAdapter;

   108 		 CMsvMessageDBAdapter* iMessageDbAdapter;

   109 		 CMsvVersion0Version1Converter* iIndexFileConverter;

   110 		 CMsvVersion1Version2Converter* iMessageConverter;

   111 		 

   112 		 TDriveNumber iDrive;

   113 		 TInt iConversionVersion;

   114 		 TConversionResumeStatus iResumeStatus;

   115 		 TBool iConversionResume;

   116 		 TBool iConversionTablePresent;

   117 		 TBuf<64> iFilePath;

   118 		 TFileName iDBFileName;

   119 		 TInt iInitialVersion;

   120 		 TInt iDeleteDatabase;

   121 	

   122 #if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)	

   123 	friend class CTestMessageConverterManager;

   124 #endif

   125 	};

   126 

   127 #endif  // __CMESSAGECONVERTERMANAGER_H__

   128 

   129 

   130 

   131 

   132   

   133 

   134 	

   135