/*

* 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: Oled Clock Widget.

*

*/

#include "snsroledclockwidget.h"

#include "snsrlabel.h"

#include <QGraphicsSvgItem>

#include <QTime>

#include <QDebug>

#include <QLocale>

#include <HbStyleLoader>

#include <HbIconItem>

#include <HbTextItem>

const char *gOledClockCssFilePath = ":/style/snsroledclockwidget.css";

const char *gOledClockWidgetMLFilePath = ":/style/snsroledclockwidget.widgetml";

const char *gDateFormatStr = "ddd d"; // this is Qt format string, not Hb format like the others

/*!

    \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)

    //,mClockDateFrame(0), mClockDateLabel(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()

{

    // TODO: deleted by parent?

  /*  delete mClockBackground;

    delete mClockHourHand;

    delete mClockMinuteHand;

    delete mClockDateFrame;

    delete mClockDateLabel;*/

    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

    // Also am/pm label should be added into the clock face and date label

    // be removed (=replace date with am/pm) ?

    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 (!mClockDateFrame) {

        mClockDateFrame = new HbIconItem(QLatin1String("oled-clock-date-frame"), this);

        HbStyle::setItemName(mClockDateFrame, QLatin1String("oled_clock_date_frame"));

    }

    if (!mClockDateLabel) {

        mClockDateLabel = new SnsrLabel(this);

        HbStyle::setItemName(mClockDateLabel, QLatin1String("oled_clock_date_label"));

    }*/

}

/*!

    @copydoc HbWidget::updatePrimitives()

 */

void SnsrOledClockWidget::updatePrimitives()

{

    if (!mClockHourHand || !mClockMinuteHand /*|| !mClockDateLabel*/) {

        createPrimitives();

    }

    Q_ASSERT( mClockHourHand && mClockMinuteHand /*&& mClockDateLabel */);

    // 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));

   // QString dateString = QLocale().toString(QDate::currentDate(), gDateFormatStr);

   // mClockDateLabel->setPlainText(dateString);

}

/*!

    Updates primitives when time change.

 */

void SnsrOledClockWidget::tick()

{

    updatePrimitives();

}