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hxfilerecognizer.h
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Upload Date: 2013-07-19
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Code Size: 3k
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Symbian

Development Platform:

Visual C++

hxfilerecognizer.h：Code Content
  1. #ifndef _HXFILERECOGNIZER_H_
  2. #define _HXFILERECOGNIZER_H_
  4. typedef _INTERFACE IHXFileRecognizer IHXFileRecognizer;
  5. typedef _INTERFACE IHXFileRecognizerResponse IHXFileRecognizerResponse;
  7. /****************************************************************************
  8.  * 
  9.  *  Interface:
  10.  * 
  11.  * IHXFileRecognizer
  12.  * 
  13.  *  Purpose:
  14.  * 
  15.  *     Attemps to determine the MIME type of the given file. 
  16.  * 
  17.  *  IID_IHXFileRecognizer:
  18.  * 
  19.  * {00000220-0901-11d1-8B06-00A024406D59}
  20.  * 
  21.  */
  23. DEFINE_GUID(IID_IHXFileRecognizer, 0x00000220, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
  24. 0xa0, 0x24, 0x40, 0x6d, 0x59);
  26. #undef  INTERFACE
  27. #define INTERFACE   IHXFileRecognizer
  29. DECLARE_INTERFACE_(IHXFileRecognizer, IUnknown)
  30. {
  31.     /*
  32.      * IUnknown methods
  33.      */
  34.     STDMETHOD(QueryInterface) (THIS_
  35. REFIID riid,
  36. void** ppvObj) PURE;
  38.     STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
  40.     STDMETHOD_(ULONG32,Release) (THIS) PURE;
  42.     /*
  43.      * IHXFileRecognizer methods
  44.      */
  46.     /************************************************************************
  47.      * Method:
  48.      *     IHXFileRecognizer::GetMimeType
  49.      * Purpose:
  50.      */
  51.     STDMETHOD(GetMimeType) (THIS_
  52.     IHXFileObject* /*IN*/ pFile, 
  53.     IHXFileRecognizerResponse* /*IN*/ pFileRecognizerResponse
  54.     ) PURE;
  55. };
  58. /****************************************************************************
  59.  * 
  60.  *  Interface:
  61.  * 
  62.  * IHXFileRecognizerResponse
  63.  * 
  64.  *  Purpose:
  65.  * 
  66.  * Response interface for IHXFileRecognizer.
  67.  * Optional interface.
  68.  * 
  69.  *  IID_IHXFileRecognizerResponse:
  70.  * 
  71.  * {00000221-0901-11d1-8B06-00A024406D59}
  72.  * 
  73.  */
  74. DEFINE_GUID(IID_IHXFileRecognizerResponse, 0x00000221, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
  75. 0xa0, 0x24, 0x40, 0x6d, 0x59);
  77. #undef  INTERFACE
  78. #define INTERFACE   IHXFileRecognizerResponse
  80. DECLARE_INTERFACE_(IHXFileRecognizerResponse, IUnknown)
  81. {
  82.     /*
  83.      * IUnknown methods
  84.      */
  85.     STDMETHOD(QueryInterface) (THIS_
  86. REFIID riid,
  87. void** ppvObj) PURE;
  89.     STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
  91.     STDMETHOD_(ULONG32,Release) (THIS) PURE;
  93.     /*
  94.      * IHXFileRecognizerResponse methods
  95.      */
  97.     /************************************************************************
  98.      * Method:
  99.      *     IHXFileRecognizerResponse::GetMimeTypeDone
  100.      * Purpose:
  101.      *     Notification interface provided by users of the IHXFileRecognizer
  102.      *     interface.  Note, you must copy the mimeType before this  
  103.      *      method scope exits.
  104.      *     
  105.      */
  106.     STDMETHOD(GetMimeTypeDone) (THIS_
  107. HX_RESULT status,
  108. IHXBuffer* pMimeType) PURE;
  109. };
  111. #endif // _HXFILERECOGNIZER_H_