1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: http://www.qt.io/licensing/
5**
6** This file is part of the QtLocation module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL3$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see http://www.qt.io/terms-conditions. For further
15** information use the contact form at http://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPLv3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or later as published by the Free
28** Software Foundation and appearing in the file LICENSE.GPL included in
29** the packaging of this file. Please review the following information to
30** ensure the GNU General Public License version 2.0 requirements will be
31** met: http://www.gnu.org/licenses/gpl-2.0.html.
32**
33** $QT_END_LICENSE$
34**
35****************************************************************************/
36
37#include "qparameterizableobject_p.h"
38#include "qdeclarativegeomapparameter_p.h"
39#include <QtLocation/private/qgeomapparameter_p.h>
40#include <private/qobject_p.h>
41
42QT_BEGIN_NAMESPACE
43
44void QParameterizableObject::appendChild(QObject *v)
45{
46 m_children.append(t: v);
47}
48
49void QParameterizableObject::clearChildren()
50{
51 m_children.clear();
52}
53
54QQmlListProperty<QObject> QParameterizableObject::declarativeChildren()
55{
56 return QQmlListProperty<QObject>(this, nullptr,
57 &QParameterizableObject::append,
58 &QParameterizableObject::count,
59 &QParameterizableObject::at,
60 &QParameterizableObject::clear);
61}
62
63void QParameterizableObject::append(QQmlListProperty<QObject> *p, QObject *v)
64{
65 QParameterizableObject *object = static_cast<QParameterizableObject*>(p->object);
66 object->appendChild(v);
67}
68
69int QParameterizableObject::count(QQmlListProperty<QObject> *p)
70{
71 return static_cast<QParameterizableObject*>(p->object)->m_children.count();
72}
73
74QObject *QParameterizableObject::at(QQmlListProperty<QObject> *p, int idx)
75{
76 return static_cast<QParameterizableObject*>(p->object)->m_children.at(i: idx);
77}
78
79void QParameterizableObject::clear(QQmlListProperty<QObject> *p)
80{
81 QParameterizableObject *object = static_cast<QParameterizableObject*>(p->object);
82 object->clearChildren();
83}
84
85class QParameterizableObjectData: public QAbstractDeclarativeData
86{
87public:
88 QParameterizableObjectData()
89 {
90 init();
91 }
92
93 static inline void init() {
94 static bool initialized = false;
95 if (!initialized) {
96 initialized = true;
97 QAbstractDeclarativeData::parentChanged = parentChanged;
98 }
99 }
100
101 static void parentChanged(QAbstractDeclarativeData *d, QObject *o, QObject *p);
102};
103
104Q_GLOBAL_STATIC(QParameterizableObjectData, parametrizableObjectData)
105
106QParameterizableObject::QParameterizableObject(QObject *parent)
107 : QObject(parent)
108{
109 QObjectPrivate::get(o: this)->declarativeData = parametrizableObjectData;
110}
111
112void QParameterizableObjectData::parentChanged(QAbstractDeclarativeData *d, QObject *o, QObject *p)
113{
114 Q_UNUSED(p)
115 Q_UNUSED(d)
116 QParameterizableObject *po = qobject_cast<QParameterizableObject *>(object: o);
117 if (po)
118 po->parentChanged();
119}
120
121QT_END_NAMESPACE
122

source code of qtlocation/src/location/declarativemaps/qparameterizableobject.cpp