1 /*!

     2 * Copyright (c) 2009 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:  Animated icon.

    15 *

    16 */

    17 

    18 #include <QTimer>

    19 #include <QGraphicsSceneResizeEvent>

    20 #include "bubbleanimiconitem.h"

    21 

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

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

    24 {

    25     reset();

    26 }

    27 

    28 BubbleAnimIconItem::~BubbleAnimIconItem()

    29 {

    30     reset();

    31 }

    32 

    33 void BubbleAnimIconItem::appendIcon( const QString& iconName )

    34 {

    35     HbIcon* icon = new HbIcon(iconName);

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

    37     mFrames.append(icon);

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

    39         setIcon(*icon); // initial frame

    40     }

    41 }

    42 

    43 void BubbleAnimIconItem::startAnimation(int interval)

    44 {

    45     mAnimationTimerId = startTimer(interval);

    46 }

    47 

    48 void BubbleAnimIconItem::stopAnimation()

    49 {

    50      if ( mAnimationTimerId ) {

    51          killTimer(mAnimationTimerId);

    52          mAnimationTimerId = 0;

    53      }

    54 }

    55 

    56 void BubbleAnimIconItem::reset()

    57 {

    58     stopAnimation();

    59     foreach (HbIcon* icon, mFrames) {

    60         delete icon;

    61     }

    62     mFrames.clear();

    63     mCurrentFrame = 0;

    64 }

    65 

    66 void BubbleAnimIconItem::timerEvent(QTimerEvent *event)

    67 {

    68    Q_UNUSED(event)

    69    

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

    71    setIcon(*mFrames.at(mCurrentFrame));

    72    update();

    73 }

    74 

    75 void BubbleAnimIconItem::paint(

    76     QPainter *painter,

    77     const QStyleOptionGraphicsItem *option,

    78     QWidget *widget )

    79 {

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

    81 

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

    83         startAnimation(mInterval); // begin animation

    84     }

    85 }

    86 

    87 QVariant BubbleAnimIconItem::itemChange(

    88     GraphicsItemChange change,

    89     const QVariant& value )

    90 {

    91     if (change==QGraphicsItem::ItemVisibleHasChanged) {

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

    93             stopAnimation(); // stop animation when going invisible

    94         }

    95     }

    96 

    97     return HbIconItem::itemChange( change, value );

    98 }

    99 

   100 void BubbleAnimIconItem::resizeEvent(QGraphicsSceneResizeEvent *event)

   101 {

   102     HbIconItem::resizeEvent(event);

   103     foreach (HbIcon* icon, mFrames) {

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

   105     }

   106 }