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39 
40 #ifndef QQUICKFXVIEWITEM_P_P_H
41 #define QQUICKFXVIEWITEM_P_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtQuick/private/qtquickglobal_p.h>
55 #include <QtQuick/private/qquickitem_p.h>
56 #include <QtQuick/private/qquickitemviewtransition_p.h>
57 #include <private/qanimationjobutil_p.h>
58 
59 QT_REQUIRE_CONFIG(quick_itemview);
60 
61 QT_BEGIN_NAMESPACE
62 
63 class Q_QUICK_PRIVATE_EXPORT QQuickItemViewFxItem
64 {
65 public:
66     QQuickItemViewFxItem(QQuickItem *item, bool ownItem, QQuickItemChangeListener *changeListener);
67     virtual ~QQuickItemViewFxItem();
68 
69     qreal itemX() const;
70     qreal itemY() const;
itemWidth()71     inline qreal itemWidth() const { return item ? item->width() : 0; }
itemHeight()72     inline qreal itemHeight() const { return item ? item->height() : 0; }
73 
74     void moveTo(const QPointF &pos, bool immediate);
75     void setVisible(bool visible);
76     void trackGeometry(bool track);
77 
78     QRectF geometry() const;
79     void setGeometry(const QRectF &geometry);
80 
81     QQuickItemViewTransitioner::TransitionType scheduledTransitionType() const;
82     bool transitionScheduledOrRunning() const;
83     bool transitionRunning() const;
84     bool isPendingRemoval() const;
85 
86     void transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget);
87     bool prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds);
88     void startTransition(QQuickItemViewTransitioner *transitioner);
89 
90     // these are positions and sizes along the current direction of scrolling/flicking
91     virtual qreal position() const = 0;
92     virtual qreal endPosition() const = 0;
93     virtual qreal size() const = 0;
94     virtual qreal sectionSize() const = 0;
95 
96     virtual bool contains(qreal x, qreal y) const = 0;
97 
98     SelfDeletable m_selfDeletable;
99     QPointer<QQuickItem> item;
100     QQuickItemChangeListener *changeListener;
101     QQuickItemViewTransitionableItem *transitionableItem;
102     int index = -1;
103     bool ownItem : 1;
104     bool releaseAfterTransition : 1;
105     bool trackGeom : 1;
106 };
107 
108 QT_END_NAMESPACE
109 
110 #endif // QQUICKFXVIEWITEM_P_P_H
111