eventmanager.h

270的linux说明

/*

Copyright (c) 2008, Intel Corporation. 

All rights reserved.

 

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:


    * Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation and/or 
other materials provided with the distribution.

    * Neither the name of Intel Corporation nor the names of its contributors 
may be used to endorse or promote products derived from this software without 
specific prior written permission.

 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

*/

#ifndef _EVENTMANAGER_H
#define _EVENTMANAGER_H

#include <map>
#include <list>
#include "base_Event.h"
#include "inc/framework/win2linux.h"

using namespace Intel::Mobile::BaseAPI;
using namespace std;

class EventClientImpl;
class ObserverImpl;

/****************************************************************************************
Class CObserversOnSameEvent is to maintain all observers that registered 
on a same event. 
There are multiple instances of CObserversOnSameEvent, each for one event type.
****************************************************************************************/
/*
typedef list<ObserverImpl *> ListObservers;

typedef struct _Event2Observers
{
	Intel::Mobile::BaseAPI::Event m_theEvent;
	ListObservers m_lstObservers;
}Event2Observers;
*/

class CObserversOnSameEvent  
{
public:
	bool NotifyAllObservers();
	int GetObserverCount();
	void RemoveObserver(ObserverImpl *pObserver, BOOL bOnce = TRUE);
	void AddObserver(ObserverImpl *pObserver);
	CObserversOnSameEvent(EventClientImpl *pCltImpl, Intel::Mobile::BaseAPI::Event::EventType eType);
	virtual ~CObserversOnSameEvent();
	const ObserverImpl* GetObserver(unsigned int nIndex);

	void RemoveObservers();
	bool SetTheEvent( Intel::Mobile::BaseAPI::Event & event);

protected:
	typedef list<ObserverImpl *> ListObservers;
	ListObservers m_lstObservers;
	CRITICAL_SECTION m_csProtectList;
	Intel::Mobile::BaseAPI::Event *m_pTheEvent;
};


class CClientImplEventManager  
{
public:
	static CClientImplEventManager & GetClientImplEventManagerInst();

	bool RemoveObserver( Intel::Mobile::BaseAPI::Event::EventType eType, ObserverImpl *pObserver, EventClientImpl *pCltImpl, BOOL &bRemoveEvent);
	bool AddObserver(Intel::Mobile::BaseAPI::Event::EventType eType, ObserverImpl *pObserver, EventClientImpl *pCltImpl);
	bool FireEvent(Intel::Mobile::BaseAPI::Event::EventType eType, void *pSvrObj);

	bool HasAddedObserver(Intel::Mobile::BaseAPI::Event::EventType eType, EventClientImpl *pCltImpl);
	bool UpdateEvent( Intel::Mobile::BaseAPI::Event::EventType eType, Intel::Mobile::BaseAPI::Event &event, EventClientImpl *pCltImpl);
	unsigned int GetObserverCount(Intel::Mobile::BaseAPI::Event::EventType eType, EventClientImpl *pCltImpl);
	ObserverImpl* GetObserver(Intel::Mobile::BaseAPI::Event::EventType eType, unsigned int nIndex, EventClientImpl *pCltImpl);
	bool RemoveObservers( Intel::Mobile::BaseAPI::Event::EventType eType, EventClientImpl *pCltImpl);

	CClientImplEventManager();
	virtual ~CClientImplEventManager();

protected:
	//void*(ServerObject *) -> MapEventType2Observers
	typedef map<Intel::Mobile::BaseAPI::Event::EventType, CObserversOnSameEvent*> MapEventType2Observers;
	typedef map<void*, MapEventType2Observers*> MapSvrObj2CliEvents;
	MapSvrObj2CliEvents m_mapSvrObj2CliEvents;
	CRITICAL_SECTION m_cs;
};

extern CClientImplEventManager s_ClientImplEventManagerInst;//the only instance

#endif