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/*
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* Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Oled Clock Widget.
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*
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*/
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#include "snsroledclockwidget.h"
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#include "snsrlabel.h"
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#include "snsrcolors.h"
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#include <QGraphicsSvgItem>
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#include <QTime>
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#include <QDebug>
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#include <QLocale>
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#include <HbExtendedLocale>
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#include <HbStyleLoader>
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#include <HbIconItem>
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#include <HbTextItem>
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const char *gOledClockCssFilePath = ":/style/snsroledclockwidget.css";
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const char *gOledClockWidgetMLFilePath = ":/style/snsroledclockwidget.widgetml";
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/*!
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\class SnsrOledClockWidget
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\ingroup group_snsrbigclockscreensaverprovider
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\brief Screensaver oled clock widget.
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*/
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/*!
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Constructs a new SnsrOledClockWidget.
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\param parent Parent object.
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*/
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SnsrOledClockWidget::SnsrOledClockWidget(QGraphicsItem* parent):
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HbWidget(parent),
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mClockBackground(0), mClockHourHand(0), mClockMinuteHand(0),
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mClockAmPmLabel(0)
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{
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HbStyleLoader::registerFilePath(gOledClockCssFilePath);
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HbStyleLoader::registerFilePath(gOledClockWidgetMLFilePath);
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createPrimitives();
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updatePrimitives();
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}
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void SnsrOledClockWidget::polish( HbStyleParameters& params )
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{
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// TODO: updatePrimitives might not be needed to be called from here anymore (hb changes)?
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HbWidget::polish(params);
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updatePrimitives();
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}
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/*!
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Destructs the class.
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*/
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SnsrOledClockWidget::~SnsrOledClockWidget()
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{
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HbStyleLoader::unregisterFilePath( gOledClockCssFilePath );
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HbStyleLoader::unregisterFilePath( gOledClockWidgetMLFilePath );
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}
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/*!
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@copydoc HbWidget::resizeEvent()
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*/
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void SnsrOledClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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HbWidget::resizeEvent(event);
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updatePrimitives();
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}
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/*!
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Creates all widget primitives.
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*/
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void SnsrOledClockWidget::createPrimitives()
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{
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// TODO: final graphics will be named qtg_graf_screensaver_clock_oled_xxx.
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// not available in platform yet
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if (!mClockBackground) {
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mClockBackground = new HbIconItem(QLatin1String("qtg_graf_clock_night_bg"), this);
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HbStyle::setItemName(mClockBackground, QLatin1String("oled_clock_background"));
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}
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if (!mClockHourHand) {
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mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_hour"), this);
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HbStyle::setItemName(mClockHourHand, QLatin1String("oled_clock_hour_hand"));
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}
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if (!mClockMinuteHand) {
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mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_min"), this);
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HbStyle::setItemName(mClockMinuteHand, QLatin1String("oled_clock_minute_hand"));
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}
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if (!mClockAmPmLabel) {
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mClockAmPmLabel = new HbTextItem(this);
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HbStyle::setItemName(mClockAmPmLabel, QLatin1String("oled_clock_am_pm_label"));
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mClockAmPmLabel->setTextColor(SnsrColors::PowerSaveModeWidgetColor);
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mClockAmPmLabel->setMinimumLines(1);
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mClockAmPmLabel->setMaximumLines(1);
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mClockAmPmLabel->setTextWrapping(Hb::TextNoWrap);
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HbFontSpec textFont(HbFontSpec::Primary);
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qreal textHeight = 0;
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style()->parameter(QLatin1String("hb-param-text-height-tiny"), textHeight);
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textFont.setTextHeight(textHeight);
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mClockAmPmLabel->setFontSpec(textFont);
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}
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}
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/*!
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@copydoc HbWidget::updatePrimitives()
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*/
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void SnsrOledClockWidget::updatePrimitives()
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{
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if (!mClockHourHand || !mClockMinuteHand || !mClockAmPmLabel) {
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createPrimitives();
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}
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Q_ASSERT( mClockHourHand && mClockMinuteHand && mClockAmPmLabel );
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// Calculate angles for clock hands.
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// Use granularity of one minute so that minute hand is always exactly
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// on some minute and not between minutes. OLED clock is not updated more
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// frequently than once per minute and using finer granularity would cause
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// the minute hand to be always between even minutes.
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QTime time = QTime::currentTime();
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qreal m = 6 * time.minute();
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qreal h = 30 * ((time.hour() % 12) + m/360);
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int x = mClockHourHand->preferredSize().width()/2;
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int y = mClockHourHand->preferredSize().height()/2;
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mClockHourHand->setTransform(QTransform().translate(x, y).rotate(h).translate(-x, -y));
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x = mClockMinuteHand->preferredSize().width()/2;
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y = mClockMinuteHand->preferredSize().height()/2;
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mClockMinuteHand->setTransform(QTransform().translate(x, y).rotate(m).translate(-x, -y));
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QString amPmString = (time.hour()<12) ? HbExtendedLocale().amText() : HbExtendedLocale().pmText();
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mClockAmPmLabel->setText( amPmString );
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}
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/*!
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Updates primitives when time change.
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*/
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void SnsrOledClockWidget::tick()
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{
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updatePrimitives();
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}
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