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39
40#ifndef QQUICKPROPERTYCHANGES_H
41#define QQUICKPROPERTYCHANGES_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 "qquickstatechangescript_p.h"
55#include <private/qqmlcustomparser_p.h>
56
57QT_BEGIN_NAMESPACE
58
59class QQuickPropertyChangesPrivate;
60class Q_QUICK_PRIVATE_EXPORT QQuickPropertyChanges : public QQuickStateOperation
61{
62 Q_OBJECT
63 Q_DECLARE_PRIVATE(QQuickPropertyChanges)
64
65 Q_PROPERTY(QObject *target READ object WRITE setObject)
66 Q_PROPERTY(bool restoreEntryValues READ restoreEntryValues WRITE setRestoreEntryValues)
67 Q_PROPERTY(bool explicit READ isExplicit WRITE setIsExplicit)
68 QML_NAMED_ELEMENT(PropertyChanges)
69
70public:
71 QQuickPropertyChanges();
72 ~QQuickPropertyChanges();
73
74 QObject *object() const;
75 void setObject(QObject *);
76
77 bool restoreEntryValues() const;
78 void setRestoreEntryValues(bool);
79
80 bool isExplicit() const;
81 void setIsExplicit(bool);
82
83 ActionList actions() override;
84
85 bool containsProperty(const QString &name) const;
86 bool containsValue(const QString &name) const;
87 bool containsExpression(const QString &name) const;
88 void changeValue(const QString &name, const QVariant &value);
89 void changeExpression(const QString &name, const QString &expression);
90 void removeProperty(const QString &name);
91 QVariant value(const QString &name) const;
92 QString expression(const QString &name) const;
93
94 void detachFromState();
95 void attachToState();
96
97 QVariant property(const QString &name) const;
98};
99
100class QQuickPropertyChangesParser : public QQmlCustomParser
101{
102public:
103 QQuickPropertyChangesParser()
104 : QQmlCustomParser(AcceptsAttachedProperties) {}
105
106 void verifyList(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QV4::CompiledData::Binding *binding);
107
108 void verifyBindings(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &props) override;
109 void applyBindings(QObject *obj, const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &bindings) override;
110};
111
112template<>
113inline QQmlCustomParser *qmlCreateCustomParser<QQuickPropertyChanges>()
114{
115 return new QQuickPropertyChangesParser;
116}
117
118QT_END_NAMESPACE
119
120QML_DECLARE_TYPE(QQuickPropertyChanges)
121
122#endif // QQUICKPROPERTYCHANGES_H
123

source code of qtdeclarative/src/quick/util/qquickpropertychanges_p.h