1 /*

     2 * Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Oled Clock Widget.

    15 *

    16 */

    17 

    18 #include "snsroledclockwidget.h"

    19 #include "snsrlabel.h"

    20 

    21 #include <QGraphicsSvgItem>

    22 #include <QTime>

    23 #include <QDebug>

    24 #include <QLocale>

    25 

    26 #include <HbStyleLoader>

    27 #include <HbIconItem>

    28 #include <HbTextItem>

    29 

    30 

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

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

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

    34 

    35 /*!

    36     \class SnsrOledClockWidget

    37     \ingroup group_snsrbigclockscreensaverprovider

    38     \brief Screensaver oled clock widget.

    39  */

    40 

    41 /*!

    42     Constructs a new SnsrOledClockWidget.

    43     \param parent Parent object.

    44  */

    45 SnsrOledClockWidget::SnsrOledClockWidget(QGraphicsItem* parent):

    46     HbWidget(parent),

    47     mClockBackground(0), mClockHourHand(0), mClockMinuteHand(0)

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

    49 {

    50     HbStyleLoader::registerFilePath(gOledClockCssFilePath);

    51     HbStyleLoader::registerFilePath(gOledClockWidgetMLFilePath);

    52 

    53     createPrimitives();

    54     updatePrimitives();

    55 }

    56 

    57 void SnsrOledClockWidget::polish( HbStyleParameters& params )

    58 {

    59     // TODO: updatePrimitives might not be needed to be called from here anymore (hb changes)?

    60     HbWidget::polish(params);

    61     updatePrimitives();

    62 }

    63 

    64 /*!

    65     Destructs the class.

    66  */

    67 SnsrOledClockWidget::~SnsrOledClockWidget()

    68 {

    69     // TODO: deleted by parent?

    70   /*  delete mClockBackground;

    71     delete mClockHourHand;

    72     delete mClockMinuteHand;

    73     delete mClockDateFrame;

    74     delete mClockDateLabel;*/

    75 

    76     HbStyleLoader::unregisterFilePath( gOledClockCssFilePath );

    77     HbStyleLoader::unregisterFilePath( gOledClockWidgetMLFilePath );

    78 

    79 }

    80 

    81 /*!

    82     @copydoc HbWidget::resizeEvent()

    83  */

    84 void SnsrOledClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)

    85 {

    86     HbWidget::resizeEvent(event);

    87     updatePrimitives();

    88 }

    89 

    90 /*!

    91     Creates all widget primitives.

    92  */

    93 void SnsrOledClockWidget::createPrimitives()

    94 {

    95     // TODO: final graphics will be named qtg_graf_screensaver_clock_oled_xxx.

    96     // not available in platform yet

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

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

    99 

   100     if (!mClockBackground) {

   101         mClockBackground = new HbIconItem(QLatin1String("qtg_graf_clock_night_bg"), this);

   102         HbStyle::setItemName(mClockBackground, QLatin1String("oled_clock_background"));

   103     }

   104     if (!mClockHourHand) {

   105         mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_hour"), this);

   106         HbStyle::setItemName(mClockHourHand, QLatin1String("oled_clock_hour_hand"));

   107     }

   108     if (!mClockMinuteHand) {

   109         mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_night_min"), this);

   110         HbStyle::setItemName(mClockMinuteHand, QLatin1String("oled_clock_minute_hand"));

   111     }

   112   /*

   113     if (!mClockDateFrame) {

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

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

   116     }

   117     if (!mClockDateLabel) {

   118         mClockDateLabel = new SnsrLabel(this);

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

   120     }*/

   121 }

   122 

   123 /*!

   124     @copydoc HbWidget::updatePrimitives()

   125  */

   126 void SnsrOledClockWidget::updatePrimitives()

   127 {

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

   129         createPrimitives();

   130     }

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

   132     

   133     // Calculate angles for clock hands.

   134     // Use granularity of one minute so that minute hand is always exactly

   135     // on some minute and not between minutes. OLED clock is not updated more

   136     // frequently than once per minute and using finer granularity would cause

   137     // the minute hand to be always between even minutes.

   138     QTime time = QTime::currentTime();

   139     qreal m = 6 * time.minute();

   140     qreal h = 30 * ((time.hour() % 12) + m/360);

   141     

   142     int x = mClockHourHand->preferredSize().width()/2;

   143     int y = mClockHourHand->preferredSize().height()/2;

   144     mClockHourHand->setTransform(QTransform().translate(x, y).rotate(h).translate(-x, -y));

   145 

   146     x = mClockMinuteHand->preferredSize().width()/2;

   147     y = mClockMinuteHand->preferredSize().height()/2;

   148     mClockMinuteHand->setTransform(QTransform().translate(x, y).rotate(m).translate(-x, -y));

   149 

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

   151    // mClockDateLabel->setPlainText(dateString);

   152 }

   153 

   154 /*!

   155     Updates primitives when time change.

   156  */

   157 void SnsrOledClockWidget::tick()

   158 {

   159     updatePrimitives();

   160 }