| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QACCESSIBLECACHE_P |
| 5 | #define QACCESSIBLECACHE_P |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtGui/private/qtguiglobal_p.h> |
| 19 | #include <QtCore/qobject.h> |
| 20 | #include <QtCore/qhash.h> |
| 21 | |
| 22 | #include "qaccessible.h" |
| 23 | |
| 24 | #if QT_CONFIG(accessibility) |
| 25 | |
| 26 | Q_FORWARD_DECLARE_OBJC_CLASS(QT_MANGLE_NAMESPACE(QMacAccessibilityElement)); |
| 27 | |
| 28 | QT_BEGIN_NAMESPACE |
| 29 | |
| 30 | class Q_GUI_EXPORT QAccessibleCache :public QObject |
| 31 | { |
| 32 | Q_OBJECT |
| 33 | |
| 34 | public: |
| 35 | ~QAccessibleCache() override; |
| 36 | static QAccessibleCache *instance(); |
| 37 | QAccessibleInterface *interfaceForId(QAccessible::Id id) const; |
| 38 | QAccessible::Id idForInterface(QAccessibleInterface *iface) const; |
| 39 | QAccessible::Id idForObject(QObject *obj) const; |
| 40 | bool containsObject(QObject *obj) const; |
| 41 | QAccessible::Id insert(QObject *object, QAccessibleInterface *iface) const; |
| 42 | void deleteInterface(QAccessible::Id id, QObject *obj = nullptr); |
| 43 | |
| 44 | #ifdef Q_OS_MAC |
| 45 | QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *elementForId(QAccessible::Id axid) const; |
| 46 | void insertElement(QAccessible::Id axid, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *element) const; |
| 47 | #endif |
| 48 | |
| 49 | private Q_SLOTS: |
| 50 | void objectDestroyed(QObject *obj); |
| 51 | |
| 52 | private: |
| 53 | QAccessible::Id acquireId() const; |
| 54 | |
| 55 | mutable QHash<QAccessible::Id, QAccessibleInterface *> idToInterface; |
| 56 | mutable QHash<QAccessibleInterface *, QAccessible::Id> interfaceToId; |
| 57 | mutable QMultiHash<QObject *, QPair<QAccessible::Id, const QMetaObject*>> objectToId; |
| 58 | |
| 59 | #ifdef Q_OS_MAC |
| 60 | void removeCocoaElement(QAccessible::Id axid); |
| 61 | mutable QHash<QAccessible::Id, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *> cocoaElements; |
| 62 | #endif |
| 63 | |
| 64 | friend class QAccessible; |
| 65 | friend class QAccessibleInterface; |
| 66 | }; |
| 67 | |
| 68 | QT_END_NAMESPACE |
| 69 | |
| 70 | #endif // QT_CONFIG(accessibility) |
| 71 | |
| 72 | #endif |
| 73 |