hxplugindll.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef HXPLUGINDLL_H__
- #define HXPLUGINDLL_H__
- #include "hxstring.h"
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "unkimp.h"
- #include "hxslist.h"
- class HXPluginManager;
- class HXPluginArchiveReader;
- class HXPluginArchiveWriter;
- typedef HX_RESULT (HXEXPORT_PTR FPCREATEINSTANCE) (IUnknown** /*OUT*/ ppIUnknown);
- typedef HX_RESULT (HXEXPORT_PTR FPSHUTDOWN) ();
- typedef HX_RESULT (HXEXPORT_PTR FPCANUNLOAD2) ();
- //
- // used to identify plugin type when plugin object is written to/read from archive
- //
- enum
- {
- ARCHIVE_ID_OTHER_DLL = 1,
- ARCHIVE_ID_PLUGIN_DLL
- };
- // class HXOtherDLL
- class HXOtherDLL
- : public CUnknownIMP
- {
- public:
- DECLARE_UNKNOWN_NOCREATE(HXPluginDLL)
- public:
- HXOtherDLL(const char* pszFileName, const char* pszMountPoint);
- HXOtherDLL(const char* pszMountPoint, HXPluginArchiveReader& ar);
- const CHXString& GetMountPoint() const;
- const CHXString& GetFileName() const;
- void Archive(HXPluginArchiveWriter& ar);
- private:
- CHXString m_strFileName;
- CHXString m_strMountPoint;
- };
- inline
- const CHXString& HXOtherDLL::GetMountPoint() const { return m_strMountPoint; }
- inline
- const CHXString& HXOtherDLL::GetFileName() const { return m_strFileName; }
- // class HXPluginDLL
- class HXPluginDLL
- : public CUnknownIMP
- {
- public:
- DECLARE_UNKNOWN_NOCREATE(HXPluginDLL)
- public:
- HXPluginDLL(IUnknown* pContext, const char* pszFileName, const char* pszMountPoint);
- HXPluginDLL(IUnknown* pContext, const char* pszMountPoint, HXPluginArchiveReader& ar);
- ~HXPluginDLL();
- void Archive(HXPluginArchiveWriter& ar);
- HX_RESULT Load();
- HX_RESULT Unload(bool bForce = false);
- BOOL IsLoaded();
- HX_RESULT CreateInstance( IUnknown** ppUnk, UINT32 uIndex );
- const CHXString& GetMountPoint() const;
- const CHXString& GetFileName() const;
- UINT32 GetNumPlugins();
- void AddPlugins(CHXSimpleList& list);
-
- private:
- // implementation
- void Init(IUnknown* pContext);
- HX_RESULT CreatePlugins();
- void CreateComponentPlugins(IHXComponentPlugin* pComponentPlugin);
- private:
- FPCREATEINSTANCE m_fpCreateInstance;
- FPSHUTDOWN m_fpShutdown;
- FPCANUNLOAD2 m_fCanUnload;
- CHXString m_strMountPoint;
- CHXString m_strFileName;
-
- UINT16 m_pluginCount;
- bool m_bHasFactory;
- bool m_bLoaded;
- DLLAccess* m_pDLLAccess;
- CHXSimpleList m_plugins;
- IUnknown* m_pContext;
- IHXCommonClassFactory* m_pClassFactory;
- };
- inline
- const CHXString& HXPluginDLL::GetMountPoint() const
- {
- return m_strMountPoint;
- }
- inline
- const CHXString& HXPluginDLL::GetFileName() const
- {
- return m_strFileName;
- }
- inline
- UINT32 HXPluginDLL::GetNumPlugins()
- {
- return m_pluginCount;
- }
- #endif /* HXPLUGINDLL_H__ */