1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtQuick module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
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 https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
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)
68public:
69 QQuickPropertyChanges();
70 ~QQuickPropertyChanges();
71
72 QObject *object() const;
73 void setObject(QObject *);
74
75 bool restoreEntryValues() const;
76 void setRestoreEntryValues(bool);
77
78 bool isExplicit() const;
79 void setIsExplicit(bool);
80
81 ActionList actions() override;
82
83 bool containsProperty(const QString &name) const;
84 bool containsValue(const QString &name) const;
85 bool containsExpression(const QString &name) const;
86 void changeValue(const QString &name, const QVariant &value);
87 void changeExpression(const QString &name, const QString &expression);
88 void removeProperty(const QString &name);
89 QVariant value(const QString &name) const;
90 QString expression(const QString &name) const;
91
92 void detachFromState();
93 void attachToState();
94
95 QVariant property(const QString &name) const;
96};
97
98class QQuickPropertyChangesParser : public QQmlCustomParser
99{
100public:
101 QQuickPropertyChangesParser()
102 : QQmlCustomParser(AcceptsAttachedProperties) {}
103
104 void verifyList(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QV4::CompiledData::Binding *binding);
105
106 void verifyBindings(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &props) override;
107 void applyBindings(QObject *obj, const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &bindings) override;
108};
109
110
111QT_END_NAMESPACE
112
113QML_DECLARE_TYPE(QQuickPropertyChanges)
114
115#endif // QQUICKPROPERTYCHANGES_H
116