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39
40#include "qquickitemviewfxitem_p_p.h"
41#include "qquickitem_p.h"
42#include "qquickitemview_p_p.h"
43
44QT_BEGIN_NAMESPACE
45
46QQuickItemViewFxItem::QQuickItemViewFxItem(QQuickItem *item, bool ownItem, QQuickItemChangeListener* changeListener)
47 : item(item)
48 , changeListener(changeListener)
49 , transitionableItem(nullptr)
50 , ownItem(ownItem)
51 , releaseAfterTransition(false)
52 , trackGeom(false)
53{
54}
55
56QQuickItemViewFxItem::~QQuickItemViewFxItem()
57{
58 delete transitionableItem;
59 transitionableItem = nullptr;
60
61 if (ownItem && item) {
62 trackGeometry(track: false);
63 item->setParentItem(0);
64 item->deleteLater();
65 }
66}
67
68qreal QQuickItemViewFxItem::itemX() const
69{
70 return transitionableItem ? transitionableItem->itemX() : (item ? item->x() : 0);
71}
72
73qreal QQuickItemViewFxItem::itemY() const
74{
75 return transitionableItem ? transitionableItem->itemY() : (item ? item->y() : 0);
76}
77
78void QQuickItemViewFxItem::moveTo(const QPointF &pos, bool immediate)
79{
80 if (transitionableItem)
81 transitionableItem->moveTo(pos, immediate);
82 else if (item)
83 item->setPosition(pos);
84}
85
86void QQuickItemViewFxItem::setVisible(bool visible)
87{
88 if (!visible && transitionableItem && transitionableItem->transitionScheduledOrRunning())
89 return;
90 if (item)
91 QQuickItemPrivate::get(item)->setCulled(!visible);
92}
93
94void QQuickItemViewFxItem::trackGeometry(bool track)
95{
96 if (track) {
97 if (!trackGeom) {
98 if (item) {
99 QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item);
100 itemPrivate->addItemChangeListener(listener: changeListener, types: QQuickItemPrivate::Geometry);
101 }
102 trackGeom = true;
103 }
104 } else {
105 if (trackGeom) {
106 if (item) {
107 QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item);
108 itemPrivate->removeItemChangeListener(changeListener, types: QQuickItemPrivate::Geometry);
109 }
110 trackGeom = false;
111 }
112 }
113}
114
115QRectF QQuickItemViewFxItem::geometry() const
116{
117 return QRectF(item->position(), item->size());
118}
119
120void QQuickItemViewFxItem::setGeometry(const QRectF &geometry)
121{
122 item->setPosition(geometry.topLeft());
123 item->setSize(geometry.size());
124}
125
126QQuickItemViewTransitioner::TransitionType QQuickItemViewFxItem::scheduledTransitionType() const
127{
128 return transitionableItem ? transitionableItem->nextTransitionType : QQuickItemViewTransitioner::NoTransition;
129}
130
131bool QQuickItemViewFxItem::transitionScheduledOrRunning() const
132{
133 return transitionableItem ? transitionableItem->transitionScheduledOrRunning() : false;
134}
135
136bool QQuickItemViewFxItem::transitionRunning() const
137{
138 return transitionableItem ? transitionableItem->transitionRunning() : false;
139}
140
141bool QQuickItemViewFxItem::isPendingRemoval() const
142{
143 return transitionableItem ? transitionableItem->isPendingRemoval() : false;
144}
145
146void QQuickItemViewFxItem::transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget)
147{
148 if (!transitioner)
149 return;
150 if (!transitionableItem)
151 transitionableItem = new QQuickItemViewTransitionableItem(item);
152 transitioner->transitionNextReposition(item: transitionableItem, type, isTarget: asTarget);
153}
154
155bool QQuickItemViewFxItem::prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds)
156{
157 return transitionableItem ? transitionableItem->prepareTransition(transitioner, index, viewBounds) : false;
158}
159
160void QQuickItemViewFxItem::startTransition(QQuickItemViewTransitioner *transitioner)
161{
162 if (transitionableItem)
163 transitionableItem->startTransition(transitioner, index);
164}
165
166QT_END_NAMESPACE
167
168

source code of qtdeclarative/src/quick/items/qquickitemviewfxitem.cpp