/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "slideanimator.h"

#include "../chromesnippet.h"

#include <QList>

SlideAnimator::SlideAnimator(ChromeSnippet* snippet) 

  : VisibilityAnimator(snippet),

    m_snippet(snippet),

    m_direction(slideUp)

{

  QPointF pos = snippet->pos();

  if(snippet->anchor() == "AnchorBottom"){

    m_direction = slideDown;

    m_visiblePosition = pos.y();

    m_invisiblePosition = m_visiblePosition + snippet->geometry().height() + snippet->anchorOffset();

  }

  else if(snippet->anchor() == "AnchorLeft"){

    m_direction = slideLeft;

    m_visiblePosition = pos.x();

    m_invisiblePosition = m_visiblePosition - snippet->geometry().width() - snippet->anchorOffset();  

  }

  else if (snippet->anchor() == "AnchorRight"){

    m_direction = slideRight;

    m_visiblePosition = pos.x();

    m_invisiblePosition = m_visiblePosition + snippet->geometry().width() + snippet->anchorOffset();

  }

  else {

    m_visiblePosition = pos.y();

    m_invisiblePosition = m_visiblePosition - snippet->geometry().height() - snippet->anchorOffset();

  }

  m_moveBy = m_invisiblePosition - m_visiblePosition;

}

SlideAnimator::~SlideAnimator()

{

}

void SlideAnimator::updateVisibility(qreal step)

{

  qreal p = step*m_moveBy + m_visiblePosition;

  if((m_direction == slideDown) || (m_direction == slideUp)){

    if(step < 0.05){

      m_snippet->setPos(m_snippet->pos().x(), m_visiblePosition);

    }

    else if(step > 0.95){

       m_snippet->setPos(m_snippet->pos().x(), m_invisiblePosition);

     }

    else{

       m_snippet->setPos(m_snippet->pos().x(), p);

    }

  }

  else {

    if(step < 0.05){

      m_snippet->setPos(m_visiblePosition, m_snippet->pos().y());

    }

    else if(step > 0.95){

      m_snippet->setPos(m_invisiblePosition, m_snippet->pos().y());

    }

    else{

      m_snippet->setPos(p,m_snippet->pos().y());

    }

  }

}