/*

* 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 "pulseanimator.h"

#include "../chromesnippet.h"

#include "QTransform"

PulseAnimator::PulseAnimator(ChromeSnippet* m_snippet)

  : AttentionAnimator(m_snippet)

{

    m_timeLine = new QTimeLine(1500); //Default to 1 sec

    m_timeLine->setLoopCount(5);

    m_timeLine->setCurveShape(QTimeLine::SineCurve);

    connect(m_timeLine, SIGNAL(valueChanged(qreal)),

	    this, SLOT(updateAttention(qreal)));

}

PulseAnimator::~PulseAnimator()

{

}

void PulseAnimator::updateAttention(qreal step)

{

#ifdef Q_OS_SYMBIAN

  if(step < 0.1) step = 1.0;

  m_snippet->setOpacity(step);

#else

  QTransform t, m, b;

  step = step/2+ 0.5;

  if(step < 0.55) step = 1.0;

  m.translate(18,18);

  t.scale(step, step);

  b.translate(-18,-18);

  m_snippet->setTransform(b*t*m);

#endif

}