1 /*

     2 * Copyright (c) 2008 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:  Clock widget

    15 *

    16 */

    17 

    18 #include "hsanalogclockwidget.h"

    19 #include <QGraphicsGridLayout>

    20 #include <QTime>

    21 #include <QDir>

    22 

    23 namespace

    24 {

    25     const char PLUGIN_PATH[] = "/hsresources/plugins/styleplugins/hsanalogclockstyleplugin.dll";

    26 }

    27 

    28 /*!

    29     \class HsAnalogClockWidget

    30     \ingroup group_hsclockwidgetplugin

    31     \brief Homescreen themable analog clock widget.

    32 

    33 */

    34 

    35 /*!

    36     \fn HsAnalogClockWidget::HsAnalogClockWidget(QGraphicsItem *parent, Qt::WindowFlags flags)

    37 

    38     Constructs widget.

    39 */

    40 HsAnalogClockWidget::HsAnalogClockWidget(const QString &stylePluginName, QGraphicsItem *parent)

    41     : HbWidget(parent),

    42       mClockBackground(0), 

    43       mClockHourHand(0), 

    44       mClockMinuteHand(0)

    45 {

    46     if (stylePluginName.isEmpty()) {

    47         mStylePluginName = QDir::currentPath() + PLUGIN_PATH;

    48     } else {

    49         mStylePluginName = stylePluginName;

    50     }

    51     setPluginBaseId(style()->registerPlugin(mStylePluginName));

    52 

    53     createPrimitives();

    54     updatePrimitives();

    55 }

    56 

    57 /*!

    58     \fn HsAnalogClockWidget::~HsAnalogClockWidget()

    59 

    60     Destructor.

    61 */

    62 HsAnalogClockWidget::~HsAnalogClockWidget()

    63 {

    64     delete mClockBackground;

    65     delete mClockHourHand;

    66     delete mClockMinuteHand;

    67 

    68     style()->unregisterPlugin(mStylePluginName);    

    69 }

    70 

    71 /*!

    72     @copydoc HbWidget::resizeEvent()

    73  */

    74 void HsAnalogClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)

    75 {

    76     QGraphicsWidget::resizeEvent(event);

    77     updatePrimitives();   

    78 }

    79 

    80 /*!

    81     Creates all widget primitives.

    82  */

    83 void HsAnalogClockWidget::createPrimitives()

    84 {

    85     if (pluginBaseId()==-1) {

    86         return;

    87     }

    88     if (!mClockBackground) {

    89         mClockBackground = style()->createPrimitive((HbStyle::Primitive)(pluginBaseId()), this);

    90     }

    91     if (!mClockHourHand) {

    92         mClockHourHand = style()->createPrimitive((HbStyle::Primitive)(pluginBaseId()+hourHandItemIndex), this);

    93     }

    94     if (!mClockMinuteHand) {

    95         mClockMinuteHand = style()->createPrimitive((HbStyle::Primitive)(pluginBaseId()+minuteHandItemIndex), this);

    96     }

    97 }

    98 

    99 /*!

   100     @copydoc HbWidget::updatePrimitives()

   101  */

   102 void HsAnalogClockWidget::updatePrimitives()

   103 {

   104     if (pluginBaseId()==-1) {

   105         return;

   106     }

   107 

   108     // Calculate angles for clock hands.

   109     QTime time = QTime::currentTime();

   110     qreal s = 6 * time.second();

   111     qreal m = 6 * (time.minute() + s/360);

   112     qreal h = 30 * ((time.hour() % 12) + m/360)-90;

   113     HsAnalogClockStyleOption option;

   114     initStyleOption(&option);

   115     option.mM = m;

   116     option.mH = h;

   117 

   118     if (mClockBackground) {

   119         style()->updatePrimitive(mClockBackground, (HbStyle::Primitive)(pluginBaseId()), &option);

   120     }

   121     if (mClockHourHand) {

   122         style()->updatePrimitive(mClockHourHand, (HbStyle::Primitive)(pluginBaseId()+hourHandItemIndex), &option);

   123     }

   124     if (mClockMinuteHand) {

   125         style()->updatePrimitive(mClockMinuteHand, (HbStyle::Primitive)(pluginBaseId()+minuteHandItemIndex), &option);

   126     }

   127 }

   128 

   129 /*!

   130     Updates clock visualization according to current time

   131  */

   132 void HsAnalogClockWidget::tick()

   133 {

   134     updatePrimitives();

   135     update();

   136 }

   137 

   138 /*!

   139     Update primitives also here because a problem in Hb - to be removed later on

   140  */

   141 void HsAnalogClockWidget::polish( HbStyleParameters& params ) 

   142 {  

   143     HbWidget::polish(params); 

   144     updatePrimitives();

   145 }