/*!

* Copyright (c) 2009 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:  Animated icon.

*

*/

#include <QTimer>

#include <QGraphicsSceneResizeEvent>

#include "bubbleanimiconitem.h"

BubbleAnimIconItem::BubbleAnimIconItem( int interval, QGraphicsItem* parent )

    : HbIconItem( parent ), mInterval(interval), mAnimationTimerId(0)

{

    reset();

}

BubbleAnimIconItem::~BubbleAnimIconItem()

{

    reset();

}

void BubbleAnimIconItem::appendIcon( const QString& iconName )

{

    HbIcon* icon = new HbIcon(iconName);

    icon->setSize(rect().size());

    mFrames.append(icon);

    if (mFrames.count()==1) {

        setIcon(*icon); // initial frame

    }

}

void BubbleAnimIconItem::startAnimation(int interval)

{

    mAnimationTimerId = startTimer(interval);

}

void BubbleAnimIconItem::stopAnimation()

{

     if ( mAnimationTimerId ) {

         killTimer(mAnimationTimerId);

         mAnimationTimerId = 0;

     }

}

void BubbleAnimIconItem::reset()

{

    stopAnimation();

    foreach (HbIcon* icon, mFrames) {

        delete icon;

    }

    mFrames.clear();

    mCurrentFrame = 0;

}

void BubbleAnimIconItem::timerEvent(QTimerEvent *event)

{

   Q_UNUSED(event)

   mCurrentFrame = (mCurrentFrame + 1) % mFrames.count();

   setIcon(*mFrames.at(mCurrentFrame));

   update();

}

void BubbleAnimIconItem::paint(

    QPainter *painter,

    const QStyleOptionGraphicsItem *option,

    QWidget *widget )

{

    HbIconItem::paint( painter, option, widget );

    if ( mFrames.count() && mAnimationTimerId == 0 ) {

        startAnimation(mInterval); // begin animation

    }

}

QVariant BubbleAnimIconItem::itemChange(

    GraphicsItemChange change,

    const QVariant& value )

{

    if (change==QGraphicsItem::ItemVisibleHasChanged) {

        if (mAnimationTimerId && value.toBool()==false) {

            stopAnimation(); // stop animation when going invisible

        }

    }

    return HbIconItem::itemChange( change, value );

}

void BubbleAnimIconItem::resizeEvent(QGraphicsSceneResizeEvent *event)

{

    HbIconItem::resizeEvent(event);

    foreach (HbIcon* icon, mFrames) {

        icon->setSize(event->newSize());

    }

}