/*

* 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 <HbExtendedLocale>

#include <HbMainWindow>

#include "snsrlabel.h"

#include "snsrindicatorwidget.h"

#include "snsroledtimelabel.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 *gOledTimeLabelName = "oledTimeLabel";

extern const char *gAmPmLabelName;

extern const char *gDateLabelName;

extern const char *gDateFormatStr;

extern const char *gTimeFormatStr;

extern const char *gIndicatorWidgetName;

/*!

    Constructs a new SnsrOledDigitalClockContainer.

 */

SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer() :

    SnsrBigClockContainer(), mClockContainer(0), mAmPmLabel(0),

    mTimeLabel(0), mDateLabel(0), mDestPosition(QPointF()),

    mInitialize(false)

{

    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")

    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")

}

/*!

    Destructs the class.

 */

SnsrOledDigitalClockContainer::~SnsrOledDigitalClockContainer()

{

    resetIndicatorConnections();

    //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 ) {

            // disconnect container from parent layout,

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

            // after label text updates

            mClockContainer->setParentLayoutItem(0);

            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")

    HbExtendedLocale locale = HbExtendedLocale::system();

    // time

    mTimeLabel->setText(

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

        );

    // don't use %B here as some extra space might be added if it's used as an

    // isolated format string

    QString amPmString("");

    if (locale.timeStyle() == HbExtendedLocale::Time12 ) {

        amPmString = (QTime::currentTime().hour()<12) ? locale.amText() : locale.pmText();

    }

    mAmPmLabel->setPlainText( amPmString );

    // date

    mDateLabel->setPlainText(

        locale.format(QDate::currentDate(), gDateFormatStr)

        );

    updatePosition();

    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::update")

}

int SnsrOledDigitalClockContainer::updateIntervalInMilliseconds()

{

    return 60*1000;

}

/*!

    @copydoc Screensaver::DisplayPowerMode()

 */

Screensaver::ScreenPowerMode SnsrOledDigitalClockContainer::displayPowerMode()

{

    return Screensaver::ScreenModeLowPower;

}

/*!

    @copydoc SnsrBigClockContainer::getActiveScreenRows()

 */

void SnsrOledDigitalClockContainer::getActiveScreenRows(int *firstActiveRow, int *lastActiveRow)

{

    if ( mClockContainer ) {

        QRect clockRect( mClockContainer->pos().toPoint(), 

                         mClockContainer->size().toSize() );

        if ( mCurrentOrientation == Qt::Vertical ) {

            *firstActiveRow = clockRect.top();

            *lastActiveRow = clockRect.bottom() + 1;

        }

        else {

            *firstActiveRow = clockRect.left();

            *lastActiveRow = clockRect.right() + 1;

        }

    }

}

/*!

    Orientation is locked in power save mode as sensors are off anyway,

    at least after some timeout.

 */

bool SnsrOledDigitalClockContainer::isOrientationLocked()

{

    return true;

}

void SnsrOledDigitalClockContainer::loadWidgets()

{

    // reset widget pointers, any previous widgets are already deleted by now

    mMainView = 0;

    mMainContainer = 0;

    mClockContainer = 0;

    mDateLabel = 0;

    mTimeLabel = 0;

    mAmPmLabel = 0;

    mIndicatorWidget = 0;

    mInitialize = false;

    // load widgets from docml

    bool ok(false);

    qDebug() << gOledDigitalLayoutDocml;

    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<SnsrLabel *>(

                mDocumentLoader.findWidget(gDateLabelName));

        mTimeLabel = qobject_cast<SnsrOledTimeLabel *>(

                mDocumentLoader.findWidget(gOledTimeLabelName));

        mAmPmLabel = qobject_cast<SnsrLabel *>(

                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."

                );

        // In case of landscape layout, read also the landscape delta section

        if ( mCurrentOrientation == Qt::Horizontal ) {

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

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

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

        }

        mIndicatorWidget->setIconColorType(SnsrIndicatorWidget::FixedColorForPowerSaveMode);

        connectIndicatorWidgetToModel();

        mDateLabel->setTextColorType(SnsrLabel::FixedColorForPowerSaveMode);

        mAmPmLabel->setTextColorType(SnsrLabel::FixedColorForPowerSaveMode);

        mBackgroundContainerLayout->addItem(mMainView);

    }

}

// end of file