/*

* Copyright (c) 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:  DigitalClockWidget

*

*/

// System includes

#include <HbStyleLoader>

#include <HbLabel>

#include <HbTextItem>

#include <hbextendedlocale>

#include <QGraphicsSceneMouseEvent>

#include <QSizePolicy>

#include <QTimer>

#include <QTime>

// User includes

#include "digitalclockwidget.h"

// Constants

const int clockUpdateInterval  (60000); // msec

/*!

    \class DigitalClockWidget

    This class implements the digitalclock widget which gets displayed

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

*/

/*!

    Constructor.

    \param useAmPm bool for setting 12 hour format

    \param parent The parent of type QGraphicsItem.

*/

DigitalClockWidget::DigitalClockWidget(bool useAmPm, QGraphicsItem *parent)

  : HbWidget(parent),

    mUseAmPm(useAmPm)

{

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

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

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

    createPrimitives();

    mTimer = new QTimer(this);

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

    QTime time = QTime::currentTime();

    int initialIntervalTime = (clockUpdateInterval - ( time.msec() + (time.second() * 1000)));

    mTimer->start(initialIntervalTime);

}

/*!

    Destructor.

*/

DigitalClockWidget::~DigitalClockWidget()

{   

    mTimer->stop();

    HbStyleLoader::unregisterFilePath(":/resource/digitalclockwidget.widgetml");

    HbStyleLoader::unregisterFilePath(":/resource/digitalclockwidget.css");

    HbStyleLoader::unregisterFilePath(":/resource/digitalclockwidget_color.css");

}

/*!

    Updates clock visualization according to current time

 */

void DigitalClockWidget::tick()

{

    mTimer->setInterval(clockUpdateInterval);

    updatePrimitives();

    update();

}

/*!

    Toggles time format

 */

void DigitalClockWidget::setAmPm(bool useAmPm)

{

    bool old = mUseAmPm;

    mUseAmPm = useAmPm;

    if (mUseAmPm != old) { // change am/pm label

	    QTime time = QTime::currentTime();

	    QString timeString;

	    if (mUseAmPm) {

	    	mAmPmLabel->setText(time.toString("ap")); // set am/pm label

	    } else {

	    	mAmPmLabel->setText(""); // set am/pm label as null

	    }

    }

}

/*!

    @copydoc HbWidget::resizeEvent()

 */

void DigitalClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)

{

    HbWidget::resizeEvent(event);

}

/*!

    Creates all widget primitives.

 */

void DigitalClockWidget::createPrimitives()

{

    mClockLabel = new HbTextItem(this);    

    mClockLabel->setTextWrapping( Hb::TextNoWrap );

    HbStyle::setItemName(mClockLabel, QLatin1String("clockLabel"));

    mAmPmLabel = new HbTextItem(this);

    mClockLabel->setTextWrapping( Hb::TextNoWrap );

    HbStyle::setItemName(mAmPmLabel, QLatin1String("amPmLabel"));

}

/*!

    @copydoc HbWidget::updatePrimitives()

    updates all widget primitives

 */

void DigitalClockWidget::updatePrimitives()

{

    QTime time = QTime::currentTime();

    QString timeString;

    if (mUseAmPm) {

	    timeString = time.toString("hh:ap"); // covert time in 12 hours format

	    timeString = timeString.section(":", 0, 0); // it would remove :ap section from timeString

	    mAmPmLabel->setText(time.toString("ap")); // set am/pm label

	} else {

	    mAmPmLabel->setText(""); // set am/pm label as null

	    timeString = time.toString("hh"); // append hour part

    }

    int index(1);

    HbExtendedLocale locale;

    QChar timeSeparator(locale.timeSeparator(index)) ;

    timeString.append(timeSeparator); // append time separator

    timeString.append(time.toString("mm")); //append minute part

    mClockLabel->setText(timeString);

}