/*

* Copyright (c) 2008 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:  AnalogClockWidget

*

*/

// System includes

#include <HbIconItem>

#include <HbStyleLoader>

#include <QTime>

#include <QTimer>

// User includes

#include "analogclockwidget.h"

// Constants

const int clockUpdateInterval  (1000); // msec

/*!

    \class AnalogClockWidget

    This class implements the analogclock widget which gets displayed

    in the clockmainview when the clocktype is set to analog type.

*/

/*!

    Constructor.

    \param parent The parent of type QGraphicsItem.

*/

AnalogClockWidget::AnalogClockWidget(QGraphicsItem *parent)

    : HbWidget(parent)

{

    bool result = HbStyleLoader::registerFilePath(":/resource/analogclockwidget.widgetml");

    result = HbStyleLoader::registerFilePath(":/resource/analogclockwidget.css");

    updatePrimitives();

    mTimer = new QTimer(this);

    connect(mTimer, SIGNAL(timeout()), SLOT(tick()));

    mTimer->start(clockUpdateInterval);

}

/*!

    Destructor.

 */

AnalogClockWidget::~AnalogClockWidget()

{    

    mTimer->stop(); 

    HbStyleLoader::unregisterFilePath(":/resource");

}

/*!

    Handles resize event from HbWidget

 */

void AnalogClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)

{

    QGraphicsWidget::resizeEvent(event);

    updatePrimitives();   

}

/*!

    @copydoc HbWidget::updatePrimitives()

 */

void AnalogClockWidget::updatePrimitives()

{

    if (!mClockBackground) {

        mClockBackground = new HbIconItem(QLatin1String("qtg_graf_clock_day_bg"), this);

        HbStyle::setItemName(mClockBackground, QLatin1String("clock_background"));

    }

    // Calculate angles for clock hands.

    QTime time = QTime::currentTime();

    qreal s = 6 * time.second();

    qreal m = 6 * (time.minute() + s/360);

    qreal h = 30 * ((time.hour() % 12) + m/360);

	if (!mClockHourHand) {

        mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_hour"), this);

        HbStyle::setItemName(mClockHourHand, QLatin1String("clock_hour_hand"));

    }

    int x = mClockHourHand->geometry().width()/2;

    int y = mClockHourHand->geometry().height()/2;

    mClockHourHand->setTransform(QTransform().translate(x, y).rotate(h).translate(-x, -y));

	if (!mClockMinuteHand) {

        mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_min"), this);

        HbStyle::setItemName(mClockMinuteHand, QLatin1String("clock_minute_hand"));

    }

    x = mClockMinuteHand->geometry().width()/2;

    y = mClockMinuteHand->geometry().height()/2;

    mClockMinuteHand->setTransform(QTransform().translate(x, y).rotate(m).translate(-x, -y));

    if (!mClockSecondHand) {

         mClockSecondHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_sec"), this);

        HbStyle::setItemName(mClockSecondHand, QLatin1String("clock_second_hand"));

        }

    x = mClockSecondHand->geometry().width()/2;

    y = mClockSecondHand->geometry().height()/2;

    mClockSecondHand->setTransform(QTransform().translate(x, y).rotate(s).translate(-x, -y));

}

/*!

    Updates clock visualization according to current time

 */

void AnalogClockWidget::tick()

{

    updatePrimitives();

    update();

}

/*!

    Handles polish event

 */

void AnalogClockWidget::polish( HbStyleParameters& params ) 

{  

    HbWidget::polish(params); 

    updatePrimitives();

} 

// End of file  --Don't remove this.