#ifndef TIMER__H_
#define TIMER__H_

#ifdef _WIN32
#pragma once
#endif

#include <list>


#define HTIMER_INTERVAL_TIME			100		// 100 ms
#define HTIMER_TERMINATE_WAIT_TIME		300		// 300 ms

#define HTIMER()		(&g_timerGlobal)

#define ON_TIMER(CLASS_NAME, FN_CALLBACK)		\
	inline bool SetTimer(unsigned int nTimerID, unsigned int nElapse) { return HTIMER()->SetTimer(nTimerID, nElapse, TimerCallBack##FN_CALLBACK, this); }		\
	inline bool KillTimer(unsigned int nTimerID) { return HTIMER()->KillTimer(nTimerID); }	\
	static void TimerCallBack##FN_CALLBACK(unsigned int nTimerID, void * pParam) { static_cast<CLASS_NAME *>(pParam)->FN_CALLBACK(nTimerID); }	\
	void FN_CALLBACK(unsigned int nTimerID);



struct HTimerObject
{
	unsigned int nTimerID;
	unsigned int nElapse;
	unsigned int dwLastCheckTime;
	bool bDelete;
	void (*fnOnTimerCallBack)(unsigned int, void *);
	void * pOnTimerCallBackParam;
};

typedef std::list<struct HTimerObject *> LIST_TIMER_OBJECT;


class HTimer : public HThread
{
public:
	HTimer();
	~HTimer();

	inline void Terminate() { m_bTerminate = true; Sleep(HTIMER_TERMINATE_WAIT_TIME); }

	void GetSystemTime(PSYSTEMTIME pSystemTime);
	inline unsigned int GetTickCount() { return m_nTickCount; }

	LIST_TIMER_OBJECT * GetTimerList() { return &m_listTimer; }

	bool SetTimer(unsigned int nTimerID, unsigned int nElapse, void (*fnCallBack)(unsigned int, void *), void * pParam);
	bool KillTimer(unsigned int nTimerID);
	void RemoveAllTimer();

protected:
	void Main();

private:
	volatile bool m_bThreadStarted;
	volatile bool m_bTerminate;

#ifndef SINGLE_THREADED_MODEL
	HSyncObject m_sync;
	HSyncObject m_syncSystemTime;
#endif
	volatile SYSTEMTIME m_systemTime;
	volatile DWORD m_nTickCount;

	LIST_TIMER_OBJECT m_listTimer;
};

extern HTimer g_timerGlobal;

#endif	// TIMER__H_