hxglobalmgr.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 GLOBAL_MAN_H
- #define GLOBAL_MAN_H
- #include "hxtypes.h"
- #include "hxcom.h"
- typedef const void* GlobalID;
- typedef void* GlobalType;
- typedef GlobalType* GlobalPtr;
- typedef GlobalType& GlobalRef;
- typedef void (*HXGlobalDestroyFunc)(GlobalType pObj);
- class HXGlobalManager
- {
- public:
- static HXGlobalManager* Instance();
- // add a global, return TRUE on success (or if it already exists)
- GlobalPtr Add(GlobalID id,
- GlobalType pObj = NULL,
- HXGlobalDestroyFunc fpDestroy = NULL);
- GlobalPtr Get(GlobalID id) const;
- void Remove(GlobalID id);
- void Shutdown();
- private:
- const int* Context();
- virtual GlobalPtr DoAdd(const int* pContext, GlobalID id, GlobalType pObj,
- HXGlobalDestroyFunc fpDestroy) = 0;
- virtual GlobalPtr DoGet(GlobalID id) const = 0;
- virtual void DoRemove(GlobalID id) = 0;
- virtual void DoShutdown(const int* pContext) = 0;
- static const int zm_context;
- };
- inline
- GlobalPtr HXGlobalManager::Add(GlobalID id, GlobalType pObj,
- HXGlobalDestroyFunc fpDestroy)
- {
- return DoAdd(Context(), id, pObj, fpDestroy);
- }
- inline
- GlobalPtr HXGlobalManager::Get(GlobalID id) const
- {
- return DoGet(id);
- }
- inline
- void HXGlobalManager::Remove(GlobalID id)
- {
- DoRemove(id);
- }
- inline
- void HXGlobalManager::Shutdown()
- {
- DoShutdown(Context());
- }
- inline
- const int* HXGlobalManager::Context()
- {
- return &zm_context;
- }
- #endif /* GLOBAL_MAN_H */