/*

* 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:  Container for oled digital clock.

*

*/

#include "snsroleddigitalclockcontainer.h"

#include <QDebug>

#include <QGraphicsLinearLayout>

#include <QTime>

#include <QTimer>

#include <hblabel.h>

#include <hbextendedlocale.h>

#include "snsrindicatorwidget.h"

/*!

    \class SnsrOledDigitalClockContainer

    \ingroup group_snsrbigclockscreensaverplugin

    \brief Container used for preparing layout for oled digital clock.

 */

const char *gOledDigitalLayoutDocml = ":/xml/snsrbigclockscreensaveroleddigital.docml";

extern const char *gPortraitSectionName;

extern const char *gLandscapeSectionName;

extern const char *gMainViewName;

extern const char *gMainContainerName;

extern const char *gClockContainerName;

extern const char *gTimeLabelName;

extern const char *gAmPmLabelName;

extern const char *gDateLabelName;

extern const char *gDateFormatVerticalStr;

extern const char *gDateFormatHorizontalStr;

extern const char *gTimeFormatStr;

extern const char *gAmPmFormatStr;

extern const char *gIndicatorWidgetName;

/*!

    Constructs a new SnsrOledDigitalClockContainer.

 */

SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer() :

    SnsrBigClockContainer(), mClockContainer(0), mTimeLabel(0),

    mDateLabel(0), mAmPmLabel(0), mDestPosition(QPointF()), mInitialize(false)

{

    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")

    bool ok(false);

    qDebug() << gOledDigitalLayoutDocml;

    // load digital clock

    mDocumentObjects = mDocumentLoader.load(gOledDigitalLayoutDocml, &ok);

    Q_ASSERT_X(ok, gOledDigitalLayoutDocml, "Invalid DocML file.");

    if (ok) {

        mMainView = mDocumentLoader.findWidget(gMainViewName);

        mMainContainer = mDocumentLoader.findWidget(gMainContainerName);

        mClockContainer = mDocumentLoader.findWidget(gClockContainerName);

        mDateLabel = qobject_cast<HbLabel *>(

                mDocumentLoader.findWidget(gDateLabelName));

        mTimeLabel = qobject_cast<HbLabel *>(

                mDocumentLoader.findWidget(gTimeLabelName));

        mAmPmLabel = qobject_cast<HbLabel *>(

                mDocumentLoader.findWidget(gAmPmLabelName));

        mIndicatorWidget = qobject_cast<SnsrIndicatorWidget *>(

                mDocumentLoader.findWidget(gIndicatorWidgetName));

        Q_ASSERT_X(

                mMainView && mMainContainer && mClockContainer 

                && mDateLabel && mTimeLabel && mAmPmLabel

                && mIndicatorWidget,

                gOledDigitalLayoutDocml, "Objects not found in DocML file."

                );

        mIndicatorWidget->setLayoutType(SnsrIndicatorWidget::IndicatorsCentered);

        mBackgroundContainerLayout->addItem(mMainView);

    }

    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")

}

/*!

    Destructs the class.

 */

SnsrOledDigitalClockContainer::~SnsrOledDigitalClockContainer()

{

    //mTimeLabel, mAmPmLabel, mDateLabel, mMoveTimer - deleted by the parent

}

/*!

    Updates OLED digital clock widget position.

 */

void SnsrOledDigitalClockContainer::updatePosition()

{

    QSizeF containerSize = mMainContainer->size();

    // Container must have a valid size to enable calculating the 

    // destination position for the clock.

    if ( containerSize.width() > 0 && containerSize.height() > 0 ) {

        containerSize -= mClockContainer->boundingRect().size();

        QRectF containerRect( mMainContainer->pos(), containerSize );

        if ( mInitialize ) {

            QPointF clockPos = nextRandomPosition( mClockContainer->pos(), mDestPosition, containerRect );

            mClockContainer->setPos( clockPos );

        }

        else {

            mDestPosition = randomPosition( containerRect );

            mInitialize = true;

        }

    }

}

/*!

    Updates displayed time and date.

 */

void SnsrOledDigitalClockContainer::update()

{

    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::update")

    // time

    mTimeLabel->setPlainText(

        HbExtendedLocale().format(QTime::currentTime(), gTimeFormatStr)

        );

    mAmPmLabel->setPlainText(

        HbExtendedLocale().format(QTime::currentTime(), gAmPmFormatStr)

        );

    // date

    if (mCurrentOrientation == Qt::Vertical) {

        mDateLabel->setPlainText(

            HbExtendedLocale().format(

                QDate::currentDate(), gDateFormatVerticalStr)

            );

    } else {

        mDateLabel->setPlainText(

            HbExtendedLocale().format(

                QDate::currentDate(), gDateFormatHorizontalStr)

            );

    }

    updatePosition();

    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::update")

}

/*!

    Changes screensaver layout basing on orientation changes.

    \param orientation Current orientation.

 */

void SnsrOledDigitalClockContainer::changeLayout(Qt::Orientation orientation)

{

    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::changeLayout")

    if (mCurrentOrientation != orientation) {

        mCurrentOrientation = orientation;

        // hide controls to avoid screen flickering

        mMainView->hide();

        QString sectionToLoad("");

        if (mCurrentOrientation == Qt::Horizontal) {

            sectionToLoad = gLandscapeSectionName;

        }

        qDebug() << "loading: " << gOledDigitalLayoutDocml << ", section: "

            << sectionToLoad;

        bool ok(false);

        mDocumentLoader.load(gOledDigitalLayoutDocml, sectionToLoad, &ok);

        Q_ASSERT_X(ok, gOledDigitalLayoutDocml, "Invalid section in DocML file.");

        // disconnect container from parent layout,

        // connected container resets its position to the one defined in docml

        // after label text updates

        mClockContainer->setParentLayoutItem(0);

        // update labels before showing the view

        update();

        // view is rebuilt and ready to show

        mMainView->show();

    }

    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::changeLayout")

}

int SnsrOledDigitalClockContainer::updateIntervalInMilliseconds()

{

    return 60*1000;

}

// end of file