1 // Copyright (c) 1998-2009 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #if !defined (__MIUTATCH_H__)

    17 #define __MIUTATCH_H__

    18 

    19 

    20 #if !defined (__S32FILE_H__)

    21 #include <s32file.h>

    22 #endif

    23 

    24 const TInt KDataLineBufferLength = 4096;

    25 _LIT(KImcvAttachFormatStr, "%S(%d)%S");

    26 

    27 /**

    28 @internalTechnology

    29 @released

    30 */

    31 enum TImAttachmentFileState

    32 	{ 

    33 	EFileNotOpen, 

    34 	EFileIsOpen, 

    35 	EFileIsClosed,		

    36 	EFileIsCorrupt,		// UU data being decoded is corrupt

    37 	EFileIsIncomplete,	// file write failed

    38 	EFileFailedToOpen,	// can't open attach file

    39 	EFileTopIncomplete	// File is incomplete due to top

    40 	};

    41 

    42 class TImAttachmentFile		// utility class to handle file operations with Email attachments

    43 /**

    44 @internalAll

    45 @released

    46 */

    47     {

    48 public:

    49  	enum TImFileOpenMode

    50 		{

    51 		/**

    52 		File opened for read mode

    53 		*/

    54 		EImFileRead = 0,

    55 		/**

    56 		File opened for write mode

    57 		*/

    58 		EImFileWrite,

    59 		};   

    60 public:

    61     IMPORT_C TImAttachmentFile(RFs& aFileSession);  // constructor

    62     IMPORT_C ~TImAttachmentFile();  // destructor

    63 

    64     IMPORT_C TInt MakeDir (const TDesC& aDirPath);

    65     IMPORT_C TInt OpenFile (const TDesC& aDirPath ,const TDesC& aFileName );

    66     IMPORT_C TInt CreateFile (const TDesC& aDirPath ,const TDesC& aFileName );

    67     IMPORT_C TInt ReadFile (TDes8& rBuffer, TInt aNumBytes );

    68     IMPORT_C TInt WriteFile (const TDesC8& aBuffer);

    69     IMPORT_C TInt WriteFile (const TDesC16& aBuffer);

    70     IMPORT_C TInt CloseFile();

    71 	IMPORT_C TInt DeleteAttachment(const TDesC& aDirPath,const TDesC& aFileName);

    72 	

    73 	IMPORT_C void SetFileHandle(RFile& aFile,TImFileOpenMode aFileMode);

    74 						

    75 	TInt AppendValidFile(const TDesC& aDirPath, const TDesC& aFileName, TFileName& rFullFilePath);

    76 private:

    77 	void Reset();

    78 	TInt WriteFile ();

    79     TInt ReadFile ();

    80 	TInt FlushFile();

    81 	TPtrC8 SelectFileData(TInt& abufLen, TInt& aDataLen);

    82 

    83 private:

    84     RFs&		    iFileSession;

    85 	RFile			iFile;

    86 	TFileText		iFileText;

    87 	TFileName		iFullFilePath;

    88 	TBuf8<KDataLineBufferLength>		iDataLine;

    89 	TBool			iWritingToFile;

    90 	TInt			iSpaceOnCache;

    91 	TInt			iPositionInCache;

    92     };

    93 

    94 #endif