screensaver/snsrplugins/snsrbigclockscreensaverplugin/snsrclockwidgets/src/snsroledclockwidget.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/screensaver/snsrplugins/snsrbigclockscreensaverplugin/snsrclockwidgets/src/snsroledclockwidget.cpp Wed Oct 06 16:06:24 2010 +0300
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2009 - 2010 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: Oled Clock Widget.
+*
+*/
+
+#include "snsroledclockwidget.h"
+#include "snsrlabel.h"
+#include "snsrcolors.h"
+
+#include <QGraphicsSvgItem>
+#include <QTime>
+#include <QDebug>
+#include <QLocale>
+#include <HbExtendedLocale>
+#include <HbStyleLoader>
+#include <HbIconItem>
+#include <HbTextItem>
+
+
+const char *gOledClockCssFilePath = ":/style/snsroledclockwidget.css";
+const char *gOledClockWidgetMLFilePath = ":/style/snsroledclockwidget.widgetml";
+
+/*!
+ \class SnsrOledClockWidget
+ \ingroup group_snsrbigclockscreensaverprovider
+ \brief Screensaver oled clock widget.
+ */
+
+/*!
+ Constructs a new SnsrOledClockWidget.
+ \param parent Parent object.
+ */
+SnsrOledClockWidget::SnsrOledClockWidget(QGraphicsItem* parent):
+ HbWidget(parent),
+ mClockBackground(0), mClockHourHand(0), mClockMinuteHand(0),
+ mClockAmPmLabel(0)
+{
+ HbStyleLoader::registerFilePath(gOledClockCssFilePath);
+ HbStyleLoader::registerFilePath(gOledClockWidgetMLFilePath);
+
+ createPrimitives();
+ updatePrimitives();
+}
+
+void SnsrOledClockWidget::polish( HbStyleParameters& params )
+{
+ // TODO: updatePrimitives might not be needed to be called from here anymore (hb changes)?
+ HbWidget::polish(params);
+ updatePrimitives();
+}
+
+/*!
+ Destructs the class.
+ */
+SnsrOledClockWidget::~SnsrOledClockWidget()
+{
+ HbStyleLoader::unregisterFilePath( gOledClockCssFilePath );
+ HbStyleLoader::unregisterFilePath( gOledClockWidgetMLFilePath );
+
+}
+
+/*!
+ @copydoc HbWidget::resizeEvent()
+ */
+void SnsrOledClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
+{
+ HbWidget::resizeEvent(event);
+ updatePrimitives();
+}
+
+/*!
+ Creates all widget primitives.
+ */
+void SnsrOledClockWidget::createPrimitives()
+{
+ // TODO: final graphics will be named qtg_graf_screensaver_clock_oled_xxx.
+ // not available in platform yet
+
+ if (!mClockBackground) {
+ mClockBackground = new HbIconItem(QLatin1String("qtg_graf_clock_night_bg"), this);
+ HbStyle::setItemName(mClockBackground, QLatin1String("oled_clock_background"));
+ }
+ if (!mClockHourHand) {
+ mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_hour"), this);
+ HbStyle::setItemName(mClockHourHand, QLatin1String("oled_clock_hour_hand"));
+ }
+ if (!mClockMinuteHand) {
+ mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_min"), this);
+ HbStyle::setItemName(mClockMinuteHand, QLatin1String("oled_clock_minute_hand"));
+ }
+ if (!mClockAmPmLabel) {
+ mClockAmPmLabel = new HbTextItem(this);
+ HbStyle::setItemName(mClockAmPmLabel, QLatin1String("oled_clock_am_pm_label"));
+ mClockAmPmLabel->setTextColor(SnsrColors::PowerSaveModeWidgetColor);
+ mClockAmPmLabel->setMinimumLines(1);
+ mClockAmPmLabel->setMaximumLines(1);
+ mClockAmPmLabel->setTextWrapping(Hb::TextNoWrap);
+ HbFontSpec textFont(HbFontSpec::Primary);
+ qreal textHeight = 0;
+ style()->parameter(QLatin1String("hb-param-text-height-tiny"), textHeight);
+ textFont.setTextHeight(textHeight);
+ mClockAmPmLabel->setFontSpec(textFont);
+ }
+}
+
+/*!
+ @copydoc HbWidget::updatePrimitives()
+ */
+void SnsrOledClockWidget::updatePrimitives()
+{
+ if (!mClockHourHand || !mClockMinuteHand || !mClockAmPmLabel) {
+ createPrimitives();
+ }
+ Q_ASSERT( mClockHourHand && mClockMinuteHand && mClockAmPmLabel );
+
+ // Calculate angles for clock hands.
+ // Use granularity of one minute so that minute hand is always exactly
+ // on some minute and not between minutes. OLED clock is not updated more
+ // frequently than once per minute and using finer granularity would cause
+ // the minute hand to be always between even minutes.
+ QTime time = QTime::currentTime();
+ qreal m = 6 * time.minute();
+ 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));
+
+ QString amPmString = (time.hour()<12) ? HbExtendedLocale().amText() : HbExtendedLocale().pmText();
+ mClockAmPmLabel->setText( amPmString );
+}
+
+/*!
+ Updates primitives when time change.
+ */
+void SnsrOledClockWidget::tick()
+{
+ updatePrimitives();
+}