1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtGui module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
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18 ** In addition, as a special exception, Nokia gives you certain additional
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20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qaccessible.h"
43 #include "qaccessiblebridge.h"
45 #ifndef QT_NO_ACCESSIBILITY
47 #include "qcoreapplication.h"
50 #include "private/qfactoryloader_p.h"
57 Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
58 (QAccessibleBridgeFactoryInterface_iid, QLatin1String("/accessiblebridge")))
60 Q_GLOBAL_STATIC(QVector<QAccessibleBridge *>, bridges)
61 static bool isInit = false;
63 void QAccessible::initialize()
69 if (qgetenv("QT_ACCESSIBILITY") != "1")
72 const QStringList l = loader()->keys();
73 for (int i = 0; i < l.count(); ++i) {
74 if (QAccessibleBridgeFactoryInterface *factory =
75 qobject_cast<QAccessibleBridgeFactoryInterface*>(loader()->instance(l.at(i)))) {
76 QAccessibleBridge * bridge = factory->create(l.at(i));
78 bridges()->append(bridge);
84 void QAccessible::cleanup()
86 qDeleteAll(*bridges());
89 void QAccessible::updateAccessibility(QObject *o, int who, Event reason)
94 updateHandler(o, who, reason);
99 if (!bridges() || bridges()->isEmpty())
102 QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o);
106 // updates for List/Table/Tree should send child
108 QAccessibleInterface *child;
109 iface->navigate(QAccessible::Child, who, &child);
117 for (int i = 0; i < bridges()->count(); ++i)
118 bridges()->at(i)->notifyAccessibilityUpdate(reason, iface, who);
122 void QAccessible::setRootObject(QObject *o)
124 if (rootObjectHandler) {
125 rootObjectHandler(o);
130 if (bridges()->isEmpty())
136 for (int i = 0; i < bridges()->count(); ++i) {
137 QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o);
138 bridges()->at(i)->setRootObject(iface);
144 #endif // QT_NO_ACCESSIBILITY