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39
40#ifndef QQMLOPENMETAOBJECT_H
41#define QQMLOPENMETAOBJECT_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 <QtCore/QMetaObject>
55#include <QtCore/QObject>
56
57#include <private/qqmlrefcount_p.h>
58#include <private/qqmlcleanup_p.h>
59#include <private/qtqmlglobal_p.h>
60#include <private/qobject_p.h>
61
62QT_BEGIN_NAMESPACE
63
64
65class QQmlEngine;
66class QMetaPropertyBuilder;
67class QQmlOpenMetaObjectTypePrivate;
68class Q_QML_PRIVATE_EXPORT QQmlOpenMetaObjectType : public QQmlRefCount, public QQmlCleanup
69{
70public:
71 QQmlOpenMetaObjectType(const QMetaObject *base, QQmlEngine *engine);
72 ~QQmlOpenMetaObjectType() override;
73
74 void createProperties(const QVector<QByteArray> &names);
75 int createProperty(const QByteArray &name);
76
77 int propertyOffset() const;
78 int signalOffset() const;
79
80 int propertyCount() const;
81 QByteArray propertyName(int) const;
82 QMetaObject *metaObject() const;
83
84protected:
85 virtual void propertyCreated(int, QMetaPropertyBuilder &);
86 void clear() override;
87
88private:
89 QQmlOpenMetaObjectTypePrivate *d;
90 friend class QQmlOpenMetaObject;
91 friend class QQmlOpenMetaObjectPrivate;
92};
93
94class QQmlOpenMetaObjectPrivate;
95class Q_QML_PRIVATE_EXPORT QQmlOpenMetaObject : public QAbstractDynamicMetaObject
96{
97public:
98 QQmlOpenMetaObject(QObject *, const QMetaObject * = nullptr, bool = true);
99 QQmlOpenMetaObject(QObject *, QQmlOpenMetaObjectType *, bool = true);
100 ~QQmlOpenMetaObject() override;
101
102 QVariant value(const QByteArray &) const;
103 bool setValue(const QByteArray &, const QVariant &, bool force = false);
104 QVariant value(int) const;
105 void setValue(int, const QVariant &);
106 QVariant &valueRef(const QByteArray &);
107 bool hasValue(int) const;
108
109 int count() const;
110 QByteArray name(int) const;
111
112 QObject *object() const;
113 virtual QVariant initialValue(int);
114
115 // Be careful - once setCached(true) is called createProperty() is no
116 // longer automatically called for new properties.
117 void setCached(bool);
118
119 QQmlOpenMetaObjectType *type() const;
120
121 void emitPropertyNotification(const QByteArray &propertyName);
122
123protected:
124 int metaCall(QObject *o, QMetaObject::Call _c, int _id, void **_a) override;
125 int createProperty(const char *, const char *) override;
126
127 virtual void propertyRead(int);
128 virtual void propertyWrite(int);
129 virtual QVariant propertyWriteValue(int, const QVariant &);
130 virtual void propertyWritten(int);
131 virtual void propertyCreated(int, QMetaPropertyBuilder &);
132
133 QAbstractDynamicMetaObject *parent() const;
134
135private:
136 QQmlOpenMetaObjectPrivate *d;
137 friend class QQmlOpenMetaObjectType;
138};
139
140QT_END_NAMESPACE
141
142#endif // QQMLOPENMETAOBJECT_H
143