eventmgr.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 ***** */
- #if defined(HELIX_FEATURE_EVENTMANAGER)
- #ifndef EVENTMGR_H
- #define EVENTMGR_H
- // Forward declarations
- typedef _INTERFACE IHXScheduler IHXScheduler;
- typedef _INTERFACE IHXEventSink IHXEventSink;
- typedef _INTERFACE IHXEventManager IHXEventManager;
- typedef _INTERFACE IHXValues IHXValues;
- typedef _INTERFACE IHXBuffer IHXBuffer;
- typedef _INTERFACE IHXMutex IHXMutex;
- class CRendererEventManager;
- class CEventSinkFilterRule;
- class CRendererEventCallback;
- class CRendererEvent;
- class CHXSimpleList;
- class CHXMapPtrToPtr;
- class CHXGenericCallback;
- class CRendererEventManager : public IHXEventManager,
- public IHXCallback
- {
- public:
- CRendererEventManager(IUnknown* pContext);
- virtual ~CRendererEventManager();
- // IUnknown methods
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- // IHXEventManager methods
- STDMETHOD(AddEventSink) (THIS_ IHXEventSink* pSink);
- STDMETHOD(RemoveEventSink) (THIS_ IHXEventSink* pSink);
- STDMETHOD(AddEventSinkFilterRule) (THIS_ IHXEventSink* pSink,
- IHXValues* pRule);
- STDMETHOD(RemoveEventSinkFilterRule) (THIS_ IHXEventSink* pSink,
- IHXValues* pRule);
- STDMETHOD(FireEvent) (THIS_ IHXBuffer* pURLStr,
- IHXBuffer* pFragmentStr,
- IHXBuffer* pEventNameStr,
- IHXValues* pOtherValues);
- // IHXCallback methods
- STDMETHOD(Func) (THIS);
- // CRendererEventManager methods
- STDMETHOD(Close) (THIS);
- static void RendererEventCallback(void* pParam);
- protected:
- INT32 m_lRefCount;
- IUnknown* m_pContext;
- IHXScheduler* m_pScheduler;
- CHXSimpleList* m_pSinkList;
- CHXMapPtrToPtr* m_pSinkToFilterMap;
- CHXGenericCallback* m_pCallback;
- CHXSimpleList* m_pEventQueue;
- IHXMutex* m_pEventQueueMutex;
- void ClearSinks();
- BOOL IsSinkInList(IHXEventSink* pSink);
- void ClearEventQueue();
- BOOL ShouldSinkGetEvent(IHXEventSink* pSink, CRendererEvent* pEvent);
- BOOL PassFilter(CHXSimpleList* pFilter, CRendererEvent* pEvent);
- BOOL PassFilterRule(CEventSinkFilterRule* pRule,
- CRendererEvent* pEvent);
- BOOL PassFilterRuleString(const char* pszRule, const char* pszEvent);
- void ClearSinkFilterList(CHXSimpleList* pList);
- };
- class CEventSinkFilterRule
- {
- public:
- CEventSinkFilterRule(IHXValues* pRule);
- ~CEventSinkFilterRule();
- BOOL Same(CEventSinkFilterRule* pRule);
- const char* GetURL() const;
- const char* GetFragment() const;
- const char* GetEventName() const;
- protected:
- IHXValues* m_pRule;
- static BOOL SameString(const char* pszA, const char* pszB);
- static const char* GetString(IHXValues* pValues, const char* pszName);
- };
- class CRendererEvent
- {
- public:
- CRendererEvent(IHXBuffer* pURLStr,
- IHXBuffer* pFragmentStr,
- IHXBuffer* pEventNameStr,
- IHXValues* pOtherValues);
- ~CRendererEvent();
- HX_RESULT Fire(IHXEventSink* pSink);
- const char* GetURL() const;
- const char* GetFragment() const;
- const char* GetEventName() const;
- protected:
- IHXBuffer* m_pURLStr;
- IHXBuffer* m_pFragmentStr;
- IHXBuffer* m_pEventNameStr;
- IHXValues* m_pOtherValues;
- };
- #endif /* #ifdef EVENTMGR_H */
- #endif /* #if defined(HELIX_FEATURE_EVENTMANAGER) */