14 * Description: Track List Widget for Music Player Media Wall. |
14 * Description: Track List Widget for Music Player Media Wall. |
15 * |
15 * |
16 */ |
16 */ |
17 |
17 |
18 |
18 |
19 #include <QGraphicsLinearLayout> |
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20 #include <QGraphicsSceneMouseEvent> |
19 #include <QGraphicsSceneMouseEvent> |
21 #include <QBrush> |
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22 |
20 |
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21 #include <hbinstance.h> |
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22 #include <hblistview.h> |
23 #include <hbframeitem.h> |
23 #include <hbframeitem.h> |
24 #include <hbinstance.h> |
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25 #include <hbmainwindow.h> |
24 #include <hbmainwindow.h> |
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25 #include <hbstyleloader.h> |
26 |
26 |
27 |
27 |
28 #include "mptracklistwidget.h" |
28 #include "mptracklistwidget.h" |
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29 #include "mpreflectioneffect.h" |
29 |
30 |
30 const int swipeAngleTolerance = 30; // angle is from 0 to 360 |
31 const int swipeAngleTolerance = 30; // angle is from 0 to 360 |
31 |
32 |
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33 /*! |
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34 \class MpTrackListWidget |
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35 \brief Widget with a list of tracks for Media Wall. |
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36 |
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37 This widget provides a list with custom style and a background. |
32 |
38 |
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39 */ |
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40 |
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41 /*! |
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42 \fn void closed() |
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43 |
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44 This signal is emitted when the track list is closed by the user with a |
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45 left swipe gesture. |
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46 */ |
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47 |
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48 |
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49 /*! |
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50 Creates the MpTrackListWidget. |
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51 */ |
33 MpTrackListWidget::MpTrackListWidget( QGraphicsItem *parent ) : HbWidget( parent ) |
52 MpTrackListWidget::MpTrackListWidget( QGraphicsItem *parent ) : HbWidget( parent ) |
34 { |
53 { |
35 mList = new HbListView( ); |
54 // Register the custorm css path for the list items. |
36 QGraphicsLinearLayout *layout = new QGraphicsLinearLayout( ); |
55 HbStyleLoader::registerFilePath(":/css/mpcustomlistitem.css"); |
37 layout->addItem( mList ); |
56 HbStyleLoader::registerFilePath(":/css/mpcustomlistitem.hblistviewitem.widgetml"); |
38 setLayout( layout ); |
57 mList = new HbListView( this ); |
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58 // set layout name that matches the custom list item layout. |
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59 mList->setLayoutName("mpmwtracklist"); |
39 |
60 |
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61 //grab the gesture for close. |
40 grabGesture(Qt::SwipeGesture); |
62 grabGesture(Qt::SwipeGesture); |
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63 |
41 mFrameItem = new HbFrameItem( this ); |
64 mFrameItem = new HbFrameItem( this ); |
42 mFrameItem->frameDrawer().setFrameType( HbFrameDrawer::NinePieces ); |
65 mFrameItem->frameDrawer().setFrameType( HbFrameDrawer::NinePieces ); |
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66 mFrameItem->frameDrawer().setFrameGraphicsName( "qtg_fr_multimedia_trans" ); |
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67 mFrameItem->setZValue(-1); |
43 |
68 |
44 //TODO: REMOVE PAINT and enable frame drawer when graphic is delibered. |
69 MpReflectionEffect *effect = new MpReflectionEffect(this); |
45 //mFrameItem->frameDrawer().setFrameGraphicsName( "qtg_fr_popup" ); |
70 setGraphicsEffect(effect); |
46 mFrameItem->setZValue(-1); |
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47 } |
71 } |
48 |
72 |
49 /*! |
73 /*! |
50 \reimp |
74 Destructs the track list widget. |
51 */ |
75 */ |
52 void MpTrackListWidget::resizeEvent(QGraphicsSceneResizeEvent *event) |
76 MpTrackListWidget::~MpTrackListWidget() |
53 { |
77 { |
54 mFrameItem->setGeometry( rect() ); |
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55 HbWidget::resizeEvent( event ); |
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56 } |
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57 |
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58 |
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59 /*! |
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60 \reimp |
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61 */ |
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62 void MpTrackListWidget::paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget ) |
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63 { |
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64 Q_UNUSED( widget ) |
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65 Q_UNUSED( option ) |
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66 painter->setPen(Qt::darkGray); |
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67 painter->setBrush(QBrush(Qt::gray )); |
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68 painter->drawRoundedRect( rect(), 4.0 , 4.0 ); |
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69 } |
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70 |
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71 /*! |
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72 \reimp |
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73 */ |
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74 void MpTrackListWidget::gestureEvent(QGestureEvent *event) |
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75 { |
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76 QGesture* gesture = event->gesture(Qt::SwipeGesture); |
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77 if (gesture) { |
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78 QSwipeGesture* swipe = static_cast<QSwipeGesture *>(gesture); |
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79 if (swipe->state() == Qt::GestureFinished && |
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80 swipeAngleToDirection (swipe->swipeAngle()) == QSwipeGesture::Left ) { |
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81 //Left gesture is the direction in wich the track list slides to close. |
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82 emit close(); |
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83 event->accept(Qt::SwipeGesture); |
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84 } |
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85 } |
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86 } |
78 } |
87 |
79 |
88 /*! |
80 /*! |
89 Returns the HbListView instance. |
81 Returns the HbListView instance. |
90 */ |
82 */ |
92 { |
84 { |
93 return mList; |
85 return mList; |
94 } |
86 } |
95 |
87 |
96 /*! |
88 /*! |
97 Maps swipe angle to SwipeDirection based on a tolerance parameter and orientation. |
89 \reimp |
98 */ |
90 */ |
99 QSwipeGesture::SwipeDirection MpTrackListWidget::swipeAngleToDirection( |
91 void MpTrackListWidget::resizeEvent(QGraphicsSceneResizeEvent *event) |
100 int angle) |
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101 { |
92 { |
102 int delta = swipeAngleTolerance; |
93 mFrameItem->setGeometry( rect() ); |
103 if ( hbInstance->allMainWindows()[0]->orientation() == Qt::Horizontal ) { |
94 qreal margin = 0.0; |
104 //correction for transformation on rotation. |
95 style()->parameter(QString("var(hb-param-margin-gene-middle-vertical)"), margin); |
105 angle += ( angle < 90 ) ? 270 : -90; |
96 mList->setGeometry( rect().adjusted( margin, margin, -margin, -margin ) ); |
106 } |
97 HbWidget::resizeEvent( event ); |
107 QSwipeGesture::SwipeDirection direction(QSwipeGesture::NoDirection); |
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108 if ((angle > 90-delta) && (angle < 90+delta)) { |
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109 direction = QSwipeGesture::Up; |
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110 } else if ((angle > 270-delta) && (angle < 270+delta)) { |
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111 direction = QSwipeGesture::Down; |
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112 } else if (((angle >= 0) && (angle < delta)) |
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113 || ((angle > 360-delta) && (angle <= 360))) { |
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114 direction = QSwipeGesture::Right; |
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115 } else if ((angle > 180-delta) && (angle < 180+delta)) { |
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116 direction = QSwipeGesture::Left; |
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117 } |
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118 return direction; |
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119 } |
98 } |
120 |
99 |
121 /*! |
100 /*! |
122 \reimp |
101 \reimp |
123 */ |
102 */ |
142 else { |
121 else { |
143 event->ignore(); |
122 event->ignore(); |
144 } |
123 } |
145 } |
124 } |
146 |
125 |
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126 /*! |
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127 \reimp |
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128 */ |
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129 void MpTrackListWidget::gestureEvent(QGestureEvent *event) |
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130 { |
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131 QGesture* gesture = event->gesture(Qt::SwipeGesture); |
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132 if (gesture) { |
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133 QSwipeGesture* swipe = static_cast<QSwipeGesture *>(gesture); |
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134 if (swipe->state() == Qt::GestureFinished && |
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135 swipeAngleToDirection (swipe->swipeAngle()) == QSwipeGesture::Left ) { |
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136 //Left gesture is the direction in wich the track list slides to close. |
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137 emit closed(); |
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138 event->accept(Qt::SwipeGesture); |
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139 } |
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140 } |
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141 } |
147 |
142 |
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143 /*! |
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144 Maps swipe \a angle to QSwipeGesture::SwipeDirection based on a tolerance |
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145 parameter and orientation. This funtions helps to identify a swipe even |
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146 if it is not sharp movement from 180 to 0 degrees on the righ swipe |
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147 gesture for instance. Since gesture events are mesured on device |
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148 cordinates this also helps to correct the gesture to local cordinates |
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149 bases on device orientation, wich is done using QT transformations, |
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150 meaning local cordinates and device cordinates are not always aligned. |
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151 */ |
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152 QSwipeGesture::SwipeDirection MpTrackListWidget::swipeAngleToDirection( |
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153 int angle ) |
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154 { |
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155 int delta = swipeAngleTolerance; |
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156 if ( hbInstance->allMainWindows()[0]->orientation() == Qt::Horizontal ) { |
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157 //correction for transformation on rotation. |
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158 #ifdef __WINS__ //wincw with forced rotation is to the right. |
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159 angle += ( angle < 90 ) ? 270 : -90; |
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160 #else//currently hardware rotations is to the left. |
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161 angle += 90; |
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162 if ( angle > 360 ) { |
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163 angle -= 360; |
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164 } |
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165 #endif |
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166 |
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167 } |
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168 QSwipeGesture::SwipeDirection direction( QSwipeGesture::NoDirection ); |
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169 if ( ( angle > 90 - delta) && ( angle < 90 + delta ) ) { |
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170 direction = QSwipeGesture::Up; |
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171 } else if ( ( angle > 270 - delta ) && (angle < 270 + delta ) ) { |
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172 direction = QSwipeGesture::Down; |
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173 } else if ( ( ( angle >= 0 ) && ( angle < delta ) ) |
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174 || ( ( angle > 360 - delta ) && ( angle <= 360 ) ) ) { |
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175 direction = QSwipeGesture::Right; |
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176 } else if ( ( angle > 180 - delta ) && ( angle < 180 + delta ) ) { |
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177 direction = QSwipeGesture::Left; |
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178 } |
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179 return direction; |
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180 } |
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181 |
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182 //EOF |