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36 
37 #include "qquickpopupanchors_p.h"
38 #include "qquickpopupanchors_p_p.h"
39 #include "qquickpopup_p_p.h"
40 
41 QT_BEGIN_NAMESPACE
42 
QQuickPopupAnchors(QQuickPopup * popup)43 QQuickPopupAnchors::QQuickPopupAnchors(QQuickPopup *popup)
44     : QObject(*(new QQuickPopupAnchorsPrivate), popup)
45 {
46     Q_D(QQuickPopupAnchors);
47     d->popup = popup;
48 }
49 
~QQuickPopupAnchors()50 QQuickPopupAnchors::~QQuickPopupAnchors()
51 {
52     Q_D(const QQuickPopupAnchors);
53     if (d->centerIn) {
54         auto centerInPrivate = QQuickItemPrivate::get(d->centerIn);
55         centerInPrivate->removeItemChangeListener(this, QQuickItemPrivate::Destroyed);
56     }
57 }
58 
centerIn() const59 QQuickItem *QQuickPopupAnchors::centerIn() const
60 {
61     Q_D(const QQuickPopupAnchors);
62     return d->centerIn;
63 }
64 
setCenterIn(QQuickItem * item)65 void QQuickPopupAnchors::setCenterIn(QQuickItem *item)
66 {
67     Q_D(QQuickPopupAnchors);
68     if (item == d->centerIn)
69         return;
70 
71     if (d->centerIn) {
72         auto centerInPrivate = QQuickItemPrivate::get(d->centerIn);
73         centerInPrivate->removeItemChangeListener(this, QQuickItemPrivate::Destroyed);
74     }
75 
76     d->centerIn = item;
77 
78     if (d->centerIn) {
79         auto centerInPrivate = QQuickItemPrivate::get(d->centerIn);
80         centerInPrivate->addItemChangeListener(this, QQuickItemPrivate::Destroyed);
81     }
82 
83     QQuickPopupPrivate::get(d->popup)->reposition();
84 
85     emit centerInChanged();
86 }
87 
resetCenterIn()88 void QQuickPopupAnchors::resetCenterIn()
89 {
90     setCenterIn(nullptr);
91 }
92 
itemDestroyed(QQuickItem *)93 void QQuickPopupAnchors::itemDestroyed(QQuickItem *)
94 {
95     resetCenterIn();
96 }
97 
98 QT_END_NAMESPACE
99