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39
40#include "qqmlvaluetypeproxybinding_p.h"
41
42QT_BEGIN_NAMESPACE
43
44QQmlValueTypeProxyBinding::QQmlValueTypeProxyBinding(QObject *o, QQmlPropertyIndex index)
45 : QQmlAbstractBinding(),
46 m_bindings(nullptr)
47{
48 m_target = o;
49 m_targetIndex = index;
50}
51
52QQmlValueTypeProxyBinding::~QQmlValueTypeProxyBinding()
53{
54 QQmlAbstractBinding *binding = m_bindings.data();
55 while (binding) {
56 binding->setAddedToObject(false);
57 binding = binding->nextBinding();
58 }
59}
60
61void QQmlValueTypeProxyBinding::setEnabled(bool e, QQmlPropertyData::WriteFlags flags)
62{
63 QQmlAbstractBinding *b = m_bindings.data();
64 while (b) {
65 b->setEnabled(e, f: flags);
66 b = b->nextBinding();
67 }
68}
69
70bool QQmlValueTypeProxyBinding::isValueTypeProxy() const
71{
72 return true;
73}
74
75QQmlAbstractBinding *QQmlValueTypeProxyBinding::subBindings() const
76{
77 return m_bindings.data();
78}
79
80QQmlAbstractBinding *QQmlValueTypeProxyBinding::binding(QQmlPropertyIndex propertyIndex) const
81{
82 QQmlAbstractBinding *binding = m_bindings.data();
83
84 while (binding && binding->targetPropertyIndex() != propertyIndex)
85 binding = binding->nextBinding();
86
87 return binding;
88}
89
90/*!
91Removes a collection of bindings, corresponding to the set bits in \a mask.
92*/
93void QQmlValueTypeProxyBinding::removeBindings(quint32 mask)
94{
95 QQmlAbstractBinding *binding = m_bindings.data();
96 QQmlAbstractBinding *lastBinding = nullptr;
97
98 while (binding) {
99 const int valueTypeIndex = binding->targetPropertyIndex().valueTypeIndex();
100 if (valueTypeIndex != -1 && (mask & (1 << valueTypeIndex))) {
101 QQmlAbstractBinding *remove = binding;
102 remove->setAddedToObject(false);
103 binding = remove->nextBinding();
104
105 if (lastBinding == nullptr)
106 m_bindings = remove->nextBinding();
107 else
108 lastBinding->setNextBinding(remove->nextBinding());
109 } else {
110 lastBinding = binding;
111 binding = binding->nextBinding();
112 }
113 }
114}
115
116QT_END_NAMESPACE
117

source code of qtdeclarative/src/qml/qml/qqmlvaluetypeproxybinding.cpp