summaryrefslogtreecommitdiffstats
path: root/src/gui/accessible/qaccessiblecache_p.h
blob: 5f62f43b6af0b31bb971460923925a9a3cf88738 (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
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui 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 QACCESSIBLECACHE_P
#define QACCESSIBLECACHE_P

//
//  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 <QtGui/private/qtguiglobal_p.h>
#include <QtCore/qobject.h>
#include <QtCore/qhash.h>

#include "qaccessible.h"

#ifndef QT_NO_ACCESSIBILITY

Q_FORWARD_DECLARE_OBJC_CLASS(QT_MANGLE_NAMESPACE(QMacAccessibilityElement));

QT_BEGIN_NAMESPACE

class Q_GUI_EXPORT QAccessibleCache  :public QObject
{
    Q_OBJECT

public:
    static QAccessibleCache *instance();
    QAccessibleInterface *interfaceForId(QAccessible::Id id) const;
    QAccessible::Id insert(QObject *object, QAccessibleInterface *iface) const;
    void deleteInterface(QAccessible::Id id, QObject *obj = 0);

#ifdef Q_OS_MAC
    QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *elementForId(QAccessible::Id axid) const;
    void insertElement(QAccessible::Id axid, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *element) const;
#endif

private Q_SLOTS:
    void objectDestroyed(QObject *obj);

private:
    QAccessible::Id acquireId() const;

    mutable QHash<QAccessible::Id, QAccessibleInterface *> idToInterface;
    mutable QHash<QObject *, QAccessible::Id> objectToId;

#ifdef Q_OS_MAC
    void removeCocoaElement(QAccessible::Id axid);
    mutable QHash<QAccessible::Id, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *> cocoaElements;
#endif

    friend class QAccessible;
    friend class QAccessibleInterface;
};

QT_END_NAMESPACE

#endif // QT_NO_ACCESSIBILITY

#endif