screensaver/screensaverplugins/snsrbigclockscreensaverplugin/snsrclockwidgets/src/snsranalogclockwidget.cpp
/*
* 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: Analog Clock Widget.
*
*/
#include "snsranalogclockwidget.h"
#include <QGraphicsSvgItem>
#include <QTime>
#include <QDebug>
#include <HbStyleLoader>
#include <HbIconItem>
const char *gClockCssFilePath =":/style/snsranalogclockwidget.css";
const char *gClockWidgetMLFilePath = ":/style/snsranalogclockwidget.widgetml";
/*!
\class SnsrAnalogClockWidget
\ingroup group_snsrbigclockscreensaverprovider
\brief Screensaver analog clock widget.
*/
/*!
Constructs a new SnsrAnalogClockWidget.
\param parent Parent object.
*/
SnsrAnalogClockWidget::SnsrAnalogClockWidget(QGraphicsItem* parent):
HbWidget(parent),
mClockBackground(0), mClockHourHand(0),
mClockMinuteHand(0), mClockSecondHand(0)
{
HbStyleLoader::registerFilePath(gClockCssFilePath);
HbStyleLoader::registerFilePath(gClockWidgetMLFilePath);
createPrimitives();
updatePrimitives();
}
/*!
Destructs the class.
*/
SnsrAnalogClockWidget::~SnsrAnalogClockWidget()
{
HbStyleLoader::unregisterFilePath( gClockCssFilePath );
HbStyleLoader::unregisterFilePath( gClockWidgetMLFilePath );
}
void SnsrAnalogClockWidget::polish( HbStyleParameters& params )
{
// TODO: updatePrimitives might not be needed to be called from here anymore (hb changes)?
HbWidget::polish(params);
updatePrimitives();
}
/*!
@copydoc HbWidget::resizeEvent()
*/
void SnsrAnalogClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
{
HbWidget::resizeEvent(event);
updatePrimitives();
}
/*!
Creates all widget primitives.
*/
void SnsrAnalogClockWidget::createPrimitives()
{
// TODO: when final graphics are available in platform (qtg_graf_screensaver_clock_xxx)
// use them instead. Also am/pm label should be added into the clock face.
if (!mClockBackground) {
mClockBackground = new HbIconItem(QLatin1String("qtg_graf_clock_day_bg"), this);
HbStyle::setItemName(mClockBackground, QLatin1String("analog_clock_background"));
}
if (!mClockHourHand) {
mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_hour"), this);
HbStyle::setItemName(mClockHourHand, QLatin1String("analog_clock_hour_hand"));
}
if (!mClockMinuteHand) {
mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_min"), this);
HbStyle::setItemName(mClockMinuteHand, QLatin1String("analog_clock_minute_hand"));
}
if (!mClockSecondHand) {
mClockSecondHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_sec"), this);
HbStyle::setItemName(mClockSecondHand, QLatin1String("analog_clock_second_hand"));
}
}
/*!
@copydoc HbWidget::updatePrimitives()
*/
void SnsrAnalogClockWidget::updatePrimitives()
{
if (!mClockHourHand || !mClockMinuteHand || !mClockSecondHand) {
createPrimitives();
}
// 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);
int x = mClockHourHand->preferredSize().width()/2;
int y = mClockHourHand->preferredSize().height()/2;
mClockHourHand->setTransform(QTransform().translate(x, y).rotate(h).translate(-x, -y));
x = mClockMinuteHand->preferredSize().width()/2;
y = mClockMinuteHand->preferredSize().height()/2;
mClockMinuteHand->setTransform(QTransform().translate(x, y).rotate(m).translate(-x, -y));
x = mClockSecondHand->preferredSize().width()/2;
y = mClockSecondHand->preferredSize().height()/2;
mClockSecondHand->setTransform(QTransform().translate(x, y).rotate(s).translate(-x, -y));
}
/*!
Updates primitives when time change.
*/
void SnsrAnalogClockWidget::tick()
{
updatePrimitives();
}