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minifileobj.h
Package: 142_61_thumb_advanced.rar [view]
Upload User: dangjiwu
Upload Date: 2013-07-19
Package Size: 42019k
Code Size: 7k
Category:
Symbian
Development Platform:
Visual C++
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: minifileobj.h,v 1.2.32.1 2004/07/09 02:04:12 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 _MINIFILEOBJ_H_
- #define _MINIFILEOBJ_H_
- /****************************************************************************
- * Includes
- */
- #include "hxfiles.h" /* IHXFileObject, IHXRequestHandler, etc. */
- #if defined (_WINDOWS ) && defined (_WIN32)
- #include <winbase.h>
- #endif
- /****************************************************************************
- *
- * CHXMiniFileObject Class
- *
- * This class inherits the interfaces required to create a File Object,
- * which is used by the File System plug-in to handle file I/O. This class
- * implements the IHXFileObject interface which handles the actual low
- * level file access. The IHXRequestHandler interface is used to obtain
- * the requested URL; while the IHXFileExists interface determines if the
- * requested file actually exists. Since we are using COM, this class also
- * inherits COM's IUnknown interface to handle reference counting and
- * interface query.
- */
- class CHXMiniFileObject : public IHXFileObject,
- public IHXDirHandler,
- public IHXRequestHandler,
- public IHXFileExists,
- public IHXFileStat,
- public IHXGetFileFromSamePool
- {
- public:
- CHXMiniFileObject(IHXCommonClassFactory* pClassFactory,
- const char* pBasePath);
- ~CHXMiniFileObject(void);
- /************************************************************************
- * IHXFileObject Interface Methods
- */
- STDMETHOD(Init ) (THIS_ UINT32 access,IHXFileResponse* pFileResp);
- STDMETHOD(GetFilename) (THIS_ REF(const char*) pFileName);
- STDMETHOD(Read ) (THIS_ UINT32 byteCount);
- STDMETHOD(Write ) (THIS_ IHXBuffer* pDataToWrite);
- STDMETHOD(Seek ) (THIS_ UINT32 offset, BOOL bRelative);
- STDMETHOD(Advise ) (THIS_ UINT32 useage);
- STDMETHOD(Close ) (THIS);
- /************************************************************************
- * IHXRequestHandler Interface Methods
- */
- STDMETHOD(SetRequest) (THIS_ IHXRequest* pRequest);
- STDMETHOD(GetRequest) (THIS_ REF(IHXRequest*) pRequest);
- /************************************************************************
- * IHXFileExists Interface Methods
- */
- STDMETHOD(DoesExist)(THIS_ const char* pFilePath,
- IHXFileExistsResponse* pFileResponse);
- /************************************************************************
- * IUnknown COM Interface Methods
- */
- STDMETHOD (QueryInterface ) (THIS_ REFIID ID, void** ppInterfaceObj);
- STDMETHOD_(UINT32, AddRef ) (THIS);
- STDMETHOD_(UINT32, Release) (THIS);
- /************************************************************************
- * IHXFileStat Interface Methods
- */
- STDMETHOD(Stat)(THIS_ IHXFileStatResponse* pFileStatResponse);
- /************************************************************************
- * IHXDirHandler Interface Methods
- */
- STDMETHOD(InitDirHandler)(THIS_ IHXDirHandlerResponse* pDirResponse);
- /************************************************************************
- * IHXDirHandler Interface Methods
- */
- STDMETHOD(CloseDirHandler) (THIS);
- /************************************************************************
- * IHXDirHandler Interface Methods
- */
- STDMETHOD(MakeDir) (THIS);
- /************************************************************************
- * IHXDirHandler Interface Methods
- */
- STDMETHOD(ReadDir) (THIS);
- /************************************************************************
- * IHXGetFileFromSamePool Interface Methods
- */
- STDMETHOD(GetFileObjectFromPool) (THIS_ IHXGetFileFromSamePoolResponse* response);
- private:
- /****** Private Class Variables ****************************************/
- INT32 m_RefCount; // Object's reference count
- IHXCommonClassFactory* m_pClassFactory; // Creates common classes
- IHXFileResponse* m_pFileResponse; // Provides completion notif.
- FILE* m_pFile; // Actual file pointer
- char* m_pFilename; // Object's copy of file name
- IHXRequest* m_pRequest; // Used to get requested URL
- char* m_pBasePath; // Platform's root path
- UINT32 m_FileAccessMode; // Current file access mode
- IHXDirHandlerResponse* m_pDirResponse; // Target for dir functions
- #if defined (_WINDOWS ) && defined (_WIN32)
- HANDLE m_hFileHandle; // Used for WIN32 ReadDir()
- WIN32_FIND_DATA m_FileInfo; // Used for WIN32 ReadDir()
- #endif
- BOOL m_bInReadDone;
- IHXBuffer* m_pPendingReadBuf;
- /****** Private Class Methods ******************************************/
- STDMETHOD(OpenFile) (THIS_ UINT32 fileMode);
- STDMETHOD(ConvertToPlatformPath)(THIS_ REF(char*) pFilePathPlatform,
- const char* pFilePath);
- };
- #endif /* _MINIFILEOBJ_H_ */