1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #include "pulseanimator.h"

    20 #include "../chromesnippet.h"

    21 #include "QTransform"

    22 

    23 PulseAnimator::PulseAnimator(ChromeSnippet* m_snippet)

    24   : AttentionAnimator(m_snippet)

    25 {

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

    27     m_timeLine->setLoopCount(5);

    28     m_timeLine->setCurveShape(QTimeLine::SineCurve);

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

    30 	    this, SLOT(updateAttention(qreal)));

    31 

    32 }

    33 

    34 PulseAnimator::~PulseAnimator()

    35 {

    36 }

    37 

    38 void PulseAnimator::updateAttention(qreal step)

    39 {

    40 #ifdef Q_OS_SYMBIAN

    41   if(step < 0.1) step = 1.0;

    42   m_snippet->setOpacity(step);

    43 #else

    44   QTransform t, m, b;

    45   step = step/2+ 0.5;

    46   if(step < 0.55) step = 1.0;

    47   m.translate(18,18);

    48   t.scale(step, step);

    49   b.translate(-18,-18);

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

    51 #endif

    52 }