oggds/PersistPropertyBag.h

   1 /*******************************************************************************
   2 *                                                                              *
   3 * This file is part of the Ogg Vorbis DirectShow filter collection             *
   4 *                                                                              *
   5 * Copyright (c) 2001, Tobias Waldvogel                                         *
   6 * All rights reserved.                                                         *
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   8 * Redistribution and use in source and binary forms, with or without           *
   9 * modification, are permitted provided that the following conditions are met:  *
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  11 *  - Redistributions of source code must retain the above copyright notice,    *
  12 *    this list of conditions and the following disclaimer.                     *
  13 *                                                                              *
  14 *  - Redistributions in binary form must reproduce the above copyright notice, *
  15 *    this list of conditions and the following disclaimer in the documentation *
  16 *    and/or other materials provided with the distribution.                    *
  17 *                                                                              *
  18 *  - The names of the contributors may not be used to endorse or promote       *
  19 *    products derived from this software without specific prior written        *
  20 *    permission.                                                               *
  21 *                                                                              *
  22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  *
  23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE    *
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  25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE     *
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  28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS     *
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  34 *******************************************************************************/
  35
  36 #ifndef __CPERSIST_PROPERTY_BAG__
  37 #define __CPERSIST_PROPERTY_BAG__
  38
  39 #include <streams.h>
  40 #include <ogg/ogg.h>
  41
  42 class CRegistryStuff
  43 {
  44 private:
  45         const GUID*             m_pClsID;
  46 public:
  47         CRegistryStuff(const GUID* pClsID);
  48         HKEY    OpenRegistry();
  49         HRESULT SaveToRegistry(const char* szName, bool bVal);
  50         HRESULT SaveToRegistry(const char* szName, __int32 iVal);
  51         HRESULT SaveToRegistry(const char* szName, unsigned __int32 iVal);
  52         HRESULT SaveToRegistry(const char* szName, float fVal);
  53         HRESULT SaveToRegistry(const char* szName, char* szVal);
  54         HRESULT SaveToRegistry(const char* szName, wchar_t* wzVal);
  55         HRESULT LoadFromRegistry(const char* szName, bool* pbVal, bool bDefault);
  56         HRESULT LoadFromRegistry(const char* szName, __int32* piVal, __int32 iDefault);
  57         HRESULT LoadFromRegistry(const char* szName, unsigned __int32* piVal, unsigned __int32 iDefault);
  58         HRESULT LoadFromRegistry(const char* szName, float* pfVal, float fDefault);
  59 };
  60
  61
  62 class CPersistPropertyBag       : public IPersistPropertyBag
  63 {
  64 private:
  65         int                             m_iProps;
  66         const char**    m_arProps;
  67         const GUID*             m_pClsID;
  68 public:
  69         CPersistPropertyBag(const char** arProps, int iProps, const GUID* pClsID);
  70
  71         HRESULT STDMETHODCALLTYPE                       InitNew(void);
  72         HRESULT STDMETHODCALLTYPE                       GetClassID(CLSID *pClsID);
  73         HRESULT STDMETHODCALLTYPE                       Load(IPropertyBag *pPropBag, IErrorLog *pErrorLog);
  74         HRESULT STDMETHODCALLTYPE                       Save(IPropertyBag *pPropBag, BOOL fClearDirty,
  75                                                                                  BOOL fSaveAllProperties);
  76
  77         virtual HRESULT STDMETHODCALLTYPE Read(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog) = 0;
  78         virtual HRESULT STDMETHODCALLTYPE Write(LPCOLESTR pszPropName, VARIANT *pVar) = 0;
  79 };
  80
  81 #endif