www.pudn.com > 2DGameAnimS60C_v1_0.zip > GameTimer.cpp

//////////////////////////////////////////////////////////////////////// 
// 
// GameTimer.cpp 
// 
// Copyright (c) 2003 Nokia Mobile Phones Ltd.  All rights reserved. 
// 
//////////////////////////////////////////////////////////////////////// 
 
#include "GameTimer.h" 
 
 
#include  
#include  
 
#include "GameTimerObserver.h" 
 
const TInt KCallbackInterval = 10000; 
 
CGameTimer* CGameTimer::NewLC(MGameTimerObserver& aObserver) 
	{ 
	CGameTimer* self = new (ELeave) CGameTimer(aObserver); 
	CleanupStack::PushL(self); 
	self->ConstructL(); 
	return self; 
	} 
 
CGameTimer* CGameTimer::NewL(MGameTimerObserver& aObserver) 
	{ 
	CGameTimer* self = CGameTimer::NewLC(aObserver); 
	CleanupStack::Pop(); 
	return self; 
	} 
 
CGameTimer::CGameTimer(MGameTimerObserver& aObserver): 
	iObserver(aObserver) 
	{ 
	} 
 
void CGameTimer::ConstructL() 
	{ 
	iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityIdle); 
//	iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityLow); 
	} 
 
void CGameTimer::Restart() 
	{ 
	iPeriodicTimer->Start(0,KCallbackInterval,TCallBack(CGameTimer::TimerCompleted,this)); 
	} 
 
void CGameTimer::CancelTimer() 
	{ 
	iPeriodicTimer->Cancel(); 
	} 
 
TBool CGameTimer::IsActive() 
	{ 
	return iPeriodicTimer->IsActive(); 
	} 
 
CGameTimer::~CGameTimer() 
	{ 
	delete iPeriodicTimer; 
	iPeriodicTimer = 0; 
	} 
 
TInt CGameTimer::TimerCompleted(TAny* aObject) 
	{ 
	return ((CGameTimer*)aObject)->HandleGameTimerCompleted(); 
	} 
 
TInt CGameTimer::HandleGameTimerCompleted() 
	{ 
	TInt result = iObserver.DoGameFrame(); 
	if(result == StopTicking) 
		{ 
		iPeriodicTimer->Cancel(); 
		} 
	return result; 
	}