#include "stdafx.h"
#include "SInterpolatorView.h"

namespace SOUI
{
	SInterpolatorView::SInterpolatorView(void):m_nSpeed(5),m_iFrame(0),m_fTime(0.0f)
	{
	}

	SInterpolatorView::~SInterpolatorView(void)
	{
	}

	void SInterpolatorView::OnNextFrame()
	{
		if(m_interpolator && IsVisible(TRUE))
		{
			m_iFrame++;
			if(m_iFrame%m_nSpeed==0)
			{
				m_fTime += 0.02f;

				if(m_fTime>=1.0f)
				{
					m_fTime = 0.0f;
				}

				float fValue = m_interpolator->getInterpolation(m_fTime);

				int nValue = m_nMinValue + (int)((m_nMaxValue - m_nMinValue)*fValue);
				SetValue(nValue);

				m_iFrame = 0;
			}

		}
	}

	void SInterpolatorView::SetInterpolator(IInterpolator *pInterpolator)
	{
		m_interpolator = pInterpolator;
		m_iFrame = 0;
	}

	int SInterpolatorView::OnCreate(void*)
	{
		int nRet = __super::OnCreate(NULL);
		if(nRet == 0)
		{
			GetContainer()->RegisterTimelineHandler(this);
		}
		return nRet;
	}

	void SInterpolatorView::OnDestroy()
	{
		GetContainer()->UnregisterTimelineHandler(this);
		__super::OnDestroy();
	}
}