#ifndef __TIMER_H__
#define __TIMER_H__
//=======================================================================================================================
/// Timer 努貳膠
/**
	@history
			- 2005.2.28 : Timer based time 欄肺 官操菌促!
*/
//=======================================================================================================================
#pragma once

namespace util
{
class Timer
{
public: 
	Timer():m_dwExpireTime(0),m_dwIntervalTime(0),m_bCheckTime(FALSE) {}
	~Timer(){}

public: 

	inline void SetTimer( DWORD dwIntervalTime )
	{
		m_dwIntervalTime	= dwIntervalTime;
		Reset();
	}

	inline DWORD GetIntervalTime() { return m_dwIntervalTime;	}
	// m_dwIntervalTime 矯埃 埃拜闌 弊措肺 蠟瘤竅絆 促矯 鷗撈贛甫 倒赴促.
	inline void Reset(/*m_dwIntervalTime*/)
	{
		m_dwExpireTime		= GetTickCount() + m_dwIntervalTime;
		EnableCheckTime();
	}

	// 鷗撈贛甫 resume
	inline VOID EnableCheckTime()
	{
		m_bCheckTime = TRUE;
	}

	// 鷗撈贛甫 吝瘤茄促.
	inline VOID DisableCheckTime()
	{
		m_bCheckTime = FALSE;
	}
	inline VOID IncreasingExpireTime( DWORD dwExpireTime )
	{
		m_dwExpireTime += dwExpireTime;
	}

	// 父豐鷗烙撈 登扁鱉瘤狼 泅犁 柳青伏
	 float GetProgressRatio()
	{
		
		int dwProgressTime = GetTickCount() - (m_dwExpireTime - m_dwIntervalTime);
		return min(1.0f,((float)dwProgressTime / (float)m_dwIntervalTime));
	}

	// problem : 撈 竊薦甫 啊闡 齲免且 版快 IsExpired() == TRUE啊 登綽 版快啊 積變促.
	// 恐唱擱 1 Tick撈扼檔 坷瞞啊 積扁瘤 臼扁 困秦 IsExpired()齲免茄 矯埃闌 利儈竅瘤 臼綽促.
	// Therefore, 撈凡版快 IsExpired() == TRUE等 饒俊 Reset()甫 茄鍋 齲免秦 霖促!
	inline BOOL IsExpired( BOOL bReset=TRUE )
	{
		DWORD dwCurTime;
		if( m_bCheckTime && ( dwCurTime = GetTickCount() ) >= m_dwExpireTime ) 
		{
			if( bReset )
			{
				m_dwExpireTime = dwCurTime + m_dwIntervalTime;
			}
			return TRUE;
		}
		else 
			return FALSE;
	}

	// 茄鍋父 鷗撈贛甫 倒府扁 困秦
	inline BOOL IsExpiredManual( BOOL bReset=TRUE )
	{
		DWORD dwCurTime;
		if( m_bCheckTime && ( dwCurTime = GetTickCount() ) >= m_dwExpireTime ) 
		{
			if( bReset )
			{
				m_dwExpireTime = dwCurTime + m_dwIntervalTime;
			}
			DisableCheckTime();
			return TRUE;
		}
		else 
			return FALSE;
	}

	void InitCoolTime()
	{
		m_dwExpireTime = 0;
	}

	inline DWORD GetExpireTime()	{ return m_dwExpireTime; }

private:
	BOOL		m_bCheckTime;
	DWORD		m_dwExpireTime;
	DWORD		m_dwIntervalTime;

};

}//End of namespace util

#endif //__TIMER_H__