1 // Copyright (c) 2003-2009 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 __ICL_CLIENT_RECOGNIZER_H__

    17 #define __ICL_CLIENT_RECOGNIZER_H__

    18 

    19 #include <e32base.h>

    20 #include <apmrec.h>

    21 #include <apmstd.h>

    22 

    23 #include <imageconversion.h>

    24 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    25 #include <iclrecognizerutil.h>

    26 #endif

    27 

    28 const int KRecIclDllUidValue = 0x101f7c0b;

    29 

    30 class CImgDisplayMimeTypeRecognizer;

    31 

    32 /**

    33  * @internalComponent

    34  *

    35  * Class owned by the CApaIclRecognizer recognizer class.

    36  * maintains a list of MIME-types supported and

    37  * an instance of the CIclRecognizerUtil class which contains

    38  * ECOM-derived information about the header data to match against.

    39  * Both the ImageDecoder and ImageDisplay plug-ins are used to determine

    40  * Mime type. ImageDecoder plug-ins are used first.

    41  * 

    42  */

    43 class CIclRecognizer : public CBase

    44 	{

    45 public:

    46 	enum TMatchMethod

    47 		{

    48 		ENotMatched,

    49 		EByName,

    50 		EBySignature

    51 		};

    52 public:

    53 	static CIclRecognizer* NewL();	

    54 	virtual ~CIclRecognizer();

    55 

    56 	void BuildListL();

    57 

    58 	TMatchMethod MatchL(const TDesC8& aBuffer, const TDesC& aFileName);

    59 	

    60 	const TDesC8& MimeString() const;

    61 

    62 	const TDesC8& SupportedDataTypeL(TInt aIndex) const;

    63 	TInt NumMimeTypes() const;

    64 

    65 private:

    66 	CIclRecognizer();

    67 	void ConstructL();

    68 

    69 private:

    70 	RFileExtensionMIMETypeArray iFileExtensionMIMETypeArray;	

    71 	TBuf8<KMaxDataTypeLength> iMimeString;

    72 	CIclRecognizerUtil* iIclRecognizerUtil;	// owned

    73 	CImgDisplayMimeTypeRecognizer* iImgDisplayRecognizer;

    74 	};

    75 

    76 /**

    77  * @internalAll

    78  *

    79  * Concrete implementation of the recognizer API

    80  * Used to recognize non-native files supported by the

    81  * Image conversion library. e.g .BMP files etc.

    82  */

    83 class CApaIclRecognizer : public CApaDataRecognizerType 

    84 	{

    85 public: 

    86 	static CApaIclRecognizer* NewL();		

    87 	~CApaIclRecognizer();

    88 

    89 	TDataType SupportedDataTypeL(TInt aIndex) const;

    90 	TUint PreferredBufSize();	

    91 	void DoRecognizeL(const TDesC& aName, const TDesC8& aBuffer);

    92 

    93 private: 

    94 	CApaIclRecognizer();

    95 	void ConstructL();

    96 

    97 private:

    98 	CIclRecognizer* iIclRecognizer;

    99 	};

   100 

   101 

   102 #endif