hxcbobj.h
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上传日期:2007-06-06
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文件大小:3k
- /* ***** 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 _HXCBOBJ_H_
- #define _HXCBOBJ_H_
- #include "hxengin.h"
- typedef void (*fGenericCBFunc)(void* pParam);
- class CHXGenericCallback : public IHXCallback
- {
- public:
- CHXGenericCallback(void* pParam, fGenericCBFunc pFunc);
- virtual ~CHXGenericCallback();
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- STDMETHOD(Func)(THIS);
- void CallbackScheduled(CallbackHandle hHandle) {m_PendingHandle = hHandle;}
- void CallbackCanceled() {m_PendingHandle = 0;}
- CallbackHandle GetPendingCallback() {return m_PendingHandle;}
- BOOL IsCallbackPending() { return (m_PendingHandle ? TRUE : FALSE); }
- // Helper functions for commonly-used tasks
- void ScheduleRelative(IHXScheduler* pScheduler, UINT32 ulMs);
- void Cancel(IHXScheduler* pScheduler);
- protected:
- LONG32 m_lRefCount;
- fGenericCBFunc m_fpCB;
- void* m_pParam;
- CallbackHandle m_PendingHandle;
- };
- #endif //_HXCBOBJ_H_