summaryrefslogtreecommitdiffstats
path: root/src/quick/util/qquickpropertychanges_p.h
blob: 82a6ebffac5df747a81672f6fe40cb6c9f553be3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQUICKPROPERTYCHANGES_H
#define QQUICKPROPERTYCHANGES_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qquickstatechangescript_p.h"
#include <private/qqmlcustomparser_p.h>

QT_BEGIN_NAMESPACE

class QQuickPropertyChangesPrivate;
class Q_QUICK_PRIVATE_EXPORT QQuickPropertyChanges : public QQuickStateOperation
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QQuickPropertyChanges)

    Q_PROPERTY(QObject *target READ object WRITE setObject)
    Q_PROPERTY(bool restoreEntryValues READ restoreEntryValues WRITE setRestoreEntryValues)
    Q_PROPERTY(bool explicit READ isExplicit WRITE setIsExplicit)
public:
    QQuickPropertyChanges();
    ~QQuickPropertyChanges();

    QObject *object() const;
    void setObject(QObject *);

    bool restoreEntryValues() const;
    void setRestoreEntryValues(bool);

    bool isExplicit() const;
    void setIsExplicit(bool);

    ActionList actions() override;

    bool containsProperty(const QString &name) const;
    bool containsValue(const QString &name) const;
    bool containsExpression(const QString &name) const;
    void changeValue(const QString &name, const QVariant &value);
    void changeExpression(const QString &name, const QString &expression);
    void removeProperty(const QString &name);
    QVariant value(const QString &name) const;
    QString expression(const QString &name) const;

    void detachFromState();
    void attachToState();

    QVariant property(const QString &name) const;
};

class QQuickPropertyChangesParser : public QQmlCustomParser
{
public:
    QQuickPropertyChangesParser()
    : QQmlCustomParser(AcceptsAttachedProperties) {}

    void verifyList(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QV4::CompiledData::Binding *binding);

    void verifyBindings(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &props) override;
    void applyBindings(QObject *obj, const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &bindings) override;
};


QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickPropertyChanges)

#endif // QQUICKPROPERTYCHANGES_H