#include "SingleTimer.h"

UINT WINAPI TimerWaitThread(LPVOID pM);
HANDLE hWaitEvent = NULL;

SingleTimer::SingleTimer() 
{
	m_isRunning = false;
	hWaitEvent = CreateEventA(NULL, TRUE, FALSE, 0); //手动设置，初始状态为无信号
	
	m_hWaitThread = NULL;
	m_waitMS = 3000;
}

SingleTimer:: ~SingleTimer()
{
	if (hWaitEvent)
	{
		CloseHandle(hWaitEvent);
		hWaitEvent = NULL;
	}
	if (m_hWaitThread)
	{
		WaitForSingleObject(m_hWaitThread, INFINITE); //等待线程执行完
		CloseHandle(m_hWaitThread);
		m_hWaitThread = NULL;
	}
}

void SingleTimer::start()
{
	if(isRunning())
		return;

	m_isRunning = TRUE;
	m_hWaitThread = (HANDLE)_beginthreadex(NULL, 0, TimerWaitThread, this, 0, NULL);
}

void SingleTimer::stop()
{
	m_isRunning = FALSE;
}

bool SingleTimer::isRunning() const
{
	return m_isRunning;
}

void SingleTimer::setWaitTime(int wTime)
{
	m_waitMS = wTime;
}

int SingleTimer::waitTime() const
{
	return m_waitMS;
}

//等待线程
UINT WINAPI TimerWaitThread(LPVOID pM)
{
	SingleTimer *timer = (SingleTimer*)pM;

	DWORD dwRet = WaitForSingleObject(hWaitEvent, timer->waitTime()); //挂起线程
	
	timer->stop();
	
	return 0;
}