#include "GUIControl.h"

CGUIControl::CGUIControl()
{
  m_invalidated = true;
  m_visible = true;
  m_forceUpdateFinalTransform = true;
}

bool CGUIControl::Update(const TransformMatrix &origin, bool originChanged, CDrawRegion &region, const float &frameTime)
{
  if (m_invalidated)
  {
    m_invalidated = false;
    m_lastRender = m_currentRender;
    m_currentRender.Reset();
    if (originChanged || Animate(frameTime) || m_forceUpdateFinalTransform)
    {
      m_finalTransform = origin * m_relativeTransform;
      m_forceUpdateFinalTransform = false;
    }

    // Add old region to clean up
    region.AddRegion(m_lastRender);

    UpdateVisibility();

    // If control is visible, add new region for redraw
    if (m_visible)
      m_currentRender = region.AddRegion(m_finalTransform, m_width, m_height);

    m_temporaryRender = CDrawRegion(m_lastRender);
    m_temporaryRender.AddRegion(m_currentRender);

    return true;
  }

  return false;
}

bool CGUIControl::Animate(const float &frameTime)
{
  return false;
}

void CGUIControl::Draw(CGraphicContext &context, CDrawRegion &region)
{
//  if (m_temporaryRegion.Intersect(region).ContainsRegion())
//  {
  InternalDraw(context);

/*
  Old temporaryRender could have contained old clearing viewport so now its surely
  cleared so we force temporaryRender to only contain the currentRenderer.
*/
  m_temporaryRender = m_lastRender = m_currentRender;
//  }
}

void CGUIControl::Invalidate(float scheduledTime)
{
//  if (scheduledTime == SCHEDULE_ASAP)
  m_invalidated = true;
//  else
//    m_root.Invalidate(this, scheduledTime);
}

void CGUIControl::SetOrigin(const TransformMatrix &origin)
{
  m_origin = origin;
  m_relativeTransform = m_origin;
  m_forceUpdateFinalTransform = true;
  Invalidate();
}

void CGUIControl::UpdateVisibility()
{
}