1 // Copyright (c) 2001-2009 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 __CHTMLTOCRTCONVCHARSETCONVERT_H__

    17 #define __CHTMLTOCRTCONVCHARSETCONVERT_H__

    18 

    19 #include <f32file.h>

    20 #include <charconv.h>

    21 

    22 _LIT(KHtmlToCrtRequestCharset, "content-type: charset?");

    23 

    24 class CHtmlToCrtConvBuffer;

    25 class MHtmlToCrtConvResourceFile;

    26 class MConverterUiObserver;

    27 

    28 class CHtmlToCrtConvCharsetConvert : public CBase

    29 	{

    30 	public:

    31 		static CHtmlToCrtConvCharsetConvert* NewL(CHtmlToCrtConvBuffer& aBuffer, RFs& aFsSession, CCnvCharacterSetConverter& aCnvCharacterSetConverter, MHtmlToCrtConvResourceFile& aResourceFile, MConverterUiObserver* aObserver=NULL);

    32 		~CHtmlToCrtConvCharsetConvert();

    33 

    34 	/**

    35 		@fn		TBool GetCharSetFromPasswordL()

    36 		Intended Usage	:	attempts to get the character set from the mime message header

    37 		@return	TBool ETrue if successful, else EFalse

    38 	 */

    39 		TBool GetCharSetFromPasswordL();

    40 	/**

    41 		@fn		TBool GetCharSetFromMetaTagL()

    42 		Intended Usage	:	attempts to get the character set from the html meta tag

    43 		@return	TBool ETrue if successful, else EFalse

    44 	 */	

    45 		TBool GetCharSetFromMetaTagL();

    46 	/**

    47 		@fn		TBool GetCharSetUsingAutoDetectL()

    48 		Intended Usage	:	attempts to determine the character set by reading a sample of the text

    49 							from the file, and passes this to CCnvCharacterSetConverter::AutoDetectCharacterSetL()

    50 		@return	TBool ETrue if successful, else EFalse

    51 	 */

    52 		TBool GetCharSetUsingAutoDetectL();

    53 		void PrepareForConvertToUnicodeL();

    54 

    55 	private:

    56 		CHtmlToCrtConvCharsetConvert(CHtmlToCrtConvBuffer& aBuffer, MConverterUiObserver* aObserver, RFs& aFsSession, CCnvCharacterSetConverter& aCnvCharacterSetConverter, MHtmlToCrtConvResourceFile& aResourceFile);

    57 		void ConstructL();

    58 

    59 		TInt FindAndDeleteString(TDes8& aBuffer, const TDesC8& aString);

    60 		void ParseCharsetValue(TDes8& aBuffer);

    61 		void ConvertFromUnicodeL(const TDesC& aUnicode, HBufC8& aNarrow);

    62 

    63 	private:

    64 		CCnvCharacterSetConverter& iCnvCharacterSetConverter;

    65 		CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iArrayOfCharacterSetsAvailable;

    66 		

    67 		TUint iCharacterSetIdentifier;

    68 		CHtmlToCrtConvBuffer& iBuffer;

    69 		MConverterUiObserver* iObserver;

    70 		MHtmlToCrtConvResourceFile& iResourceFile;

    71 		RFs& iFsSession;

    72 	};

    73 

    74 #endif