1 /*

     2 * Copyright (c) 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:  Swipe Widget.

    15 *

    16 */

    17 

    18 #include <QDebug>

    19 #include <HbStyleLoader>

    20 #include <hbeffect.h>

    21 #include <hblabel.h>

    22 #include <HbIconItem>

    23 #include <HbIconAnimationManager>

    24 

    25 #include <hbiconitem.h>

    26 #include <hbiconanimator.h>

    27 

    28 #include "snsrbigclockcontainer.h"

    29 #include "snsranalogclockcontainer.h"

    30 #include "snsrswipewidget.h"

    31 

    32 const char *gSwipeCssFilePath =":/style/snsrswipewidget.css";

    33 const char *gSwipeWidgetMLFilePath = ":/style/snsrswipewidget.widgetml";

    34 const char *gSwipeColorCssFilePath = ":/style/snsrswipewidget_color.css";

    35 const char *gSwipeIcon = ":/xml/qtg_anim_swipe.axml";

    36 const qreal gSwipeDownAngle = 270;

    37 const qreal gLandscapeSwipeDownAngle = 180;

    38 const qreal gSwipeAngleTolerance = 25;

    39 

    40 /*!

    41     \class SnsrSwipeWidget

    42     \ingroup group_snsrbigclockscreensaverplugins

    43     \brief Screensaver swipe widget.

    44  */

    45 

    46 /*!

    47     Constructs a new SnsrSwipeWidget.

    48     \param parent Parent object.

    49  */

    50 SnsrSwipeWidget::SnsrSwipeWidget(QGraphicsItem* parent):

    51     HbWidget(parent),

    52     mSlideLabel(0), mIconItem(0),mCurrentOrientation(-1)

    53 {

    54     HbStyleLoader::registerFilePath(gSwipeCssFilePath);

    55     HbStyleLoader::registerFilePath(gSwipeWidgetMLFilePath);

    56     HbStyleLoader::registerFilePath(gSwipeColorCssFilePath);

    57     

    58     setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);

    59 

    60     createPrimitives();

    61 

    62     grabGesture(Qt::SwipeGesture);

    63 }

    64 

    65 /*!

    66     Destructs the class.

    67  */

    68 SnsrSwipeWidget::~SnsrSwipeWidget()

    69 {

    70     HbStyleLoader::unregisterFilePath( gSwipeCssFilePath );

    71     HbStyleLoader::unregisterFilePath( gSwipeWidgetMLFilePath );

    72     HbStyleLoader::unregisterFilePath( gSwipeColorCssFilePath );

    73 

    74 }

    75 

    76 /*!

    77     Creates all widget primitives.

    78  */

    79 void SnsrSwipeWidget::createPrimitives()

    80 {

    81     if (!mSlideLabel) {

    82         mSlideLabel = new HbLabel(this);

    83         mSlideLabel->setPlainText(hbTrId("txt_screensaver_swipe"));

    84         mSlideLabel->setAlignment(Qt::AlignCenter);

    85         HbStyle::setItemName(mSlideLabel, QLatin1String("slideLabel"));

    86     }

    87     if (!mIconItem) {

    88         HbIconAnimationManager::global()->addDefinitionFile(gSwipeIcon);

    89         mIconItem = new HbIconItem(QString("qtg_anim_swipe"),this);

    90         HbStyle::setItemName(mIconItem, QLatin1String("slideIcon"));

    91         mIconItem->show();

    92         mIconItem->animator().startAnimation();

    93         mIconItem->setAlignment(Qt::AlignCenter);

    94     }

    95 }

    96 

    97 /*!

    98     \reimp

    99  */

   100 

   101 void SnsrSwipeWidget::gestureEvent(QGestureEvent *event)

   102 {

   103     SCREENSAVER_TEST_FUNC_ENTRY("SnsrSwipeWidget::gestureEvent")

   104 

   105     QGesture *gesture = event->gesture(Qt::SwipeGesture);

   106     QSwipeGesture *swipe = static_cast<QSwipeGesture *>(gesture);

   107 

   108     if ( swipe && swipe->state() == Qt::GestureStarted ) {

   109         event->accept(Qt::SwipeGesture);

   110         mIconItem->animator().startAnimation();

   111     }

   112     else if ( swipe && swipe->state() == Qt::GestureFinished ) {

   113         // unclock with downward swipe

   114         qreal downAngle = (mCurrentOrientation == Qt::Vertical) ? 

   115             gSwipeDownAngle : gLandscapeSwipeDownAngle;

   116         qreal swipeAngle = swipe->swipeAngle();

   117         if ( abs(swipeAngle - downAngle) < gSwipeAngleTolerance ) {

   118             emit swipeDownDetected();

   119             event->accept(Qt::SwipeGesture);

   120         }

   121     }

   122     else { 

   123         event->ignore(Qt::SwipeGesture);

   124     }

   125 

   126     SCREENSAVER_TEST_FUNC_EXIT("SnsrSwipeWidget::gestureEvent")

   127 }

   128 

   129 void SnsrSwipeWidget::setCurrentOrientation(int orientation)

   130 {

   131     mCurrentOrientation = orientation;

   132 }

   133 

   134