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 __MMF_CLIENT_RECOGNIZER_H__

    17 #define __MMF_CLIENT_RECOGNIZER_H__

    18 

    19 #include <e32base.h>

    20 #include <apmrec.h>

    21 #include <apmstd.h>

    22 #include "mmfcontrollerpluginresolver.h"

    23 

    24 const int KRecMmfDllUidValue = 0x101f7c0c;

    25 

    26 typedef	TBuf8<KMaxDataTypeLength> TMimeDataType;

    27 

    28 /**

    29  * @internalComponent

    30  *

    31  * Class owned by the CApaMmfRecognizer recognizer class.

    32  * maintains a list of MIME-types supported and

    33  * an instance of the CMmfRecognizerUtil class which contains

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

    35  * 

    36  */

    37 class CMmfRecognizer : public CBase

    38 	{

    39 public:

    40 	enum TMatchMethod

    41 		{

    42 		ENotMatched,

    43 		EByName,

    44 		EBySignature

    45 		};

    46 public:

    47 	static CMmfRecognizer* NewL();

    48 	virtual ~CMmfRecognizer();

    49 

    50 	void BuildListL();

    51 

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

    53 	

    54 	const TDesC8& MimeString() const;

    55 

    56 	const TPtrC8 SupportedDataTypeL(TInt aIndex) const;

    57 	TInt NumMimeTypes() const;

    58 

    59 private:

    60 	CMmfRecognizer();

    61 	void ConstructL();

    62 

    63 private:

    64 	CDesC8Array* iMimeTypes;				// owned

    65 	TBuf8<KMaxDataTypeLength> iMimeString;

    66 	CMmfRecognizerUtil* iMmfRecognizerUtil;	// owned 

    67 	};

    68 

    69 /**

    70  * @internalAll

    71  *

    72  * Concrete implementation of the recognizer API

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

    74  * Multimedia framework. e.g. .WAV files, .AU files etc

    75  */

    76 class CApaMmfRecognizer : public CApaDataRecognizerType 

    77 	{

    78 public: 

    79 	static CApaMmfRecognizer* NewL();	

    80 	~CApaMmfRecognizer();

    81 

    82 	TDataType SupportedDataTypeL(TInt aIndex) const;

    83 	TUint PreferredBufSize();	

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

    85 

    86 private: 

    87 	CApaMmfRecognizer();

    88 	void ConstructL();

    89 

    90 private:

    91 	CMmfRecognizer* iMmfRecognizer;

    92 	};

    93 

    94 

    95 #endif