/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qaccessible.h" | |
#include "qaccessiblebridge.h" | |
#ifndef QT_NO_ACCESSIBILITY | |
#include "qcoreapplication.h" | |
#include "qmutex.h" | |
#include "qvector.h" | |
#include "private/qfactoryloader_p.h" | |
#include <stdlib.h> | |
QT_BEGIN_NAMESPACE | |
#ifndef QT_NO_LIBRARY | |
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, | |
(QAccessibleBridgeFactoryInterface_iid, QLatin1String("/accessiblebridge"))) | |
#endif | |
Q_GLOBAL_STATIC(QVector<QAccessibleBridge *>, bridges) | |
static bool isInit = false; | |
void QAccessible::initialize() | |
{ | |
if (isInit) | |
return; | |
isInit = true; | |
if (qgetenv("QT_ACCESSIBILITY") != "1") | |
return; | |
#ifndef QT_NO_LIBRARY | |
const QStringList l = loader()->keys(); | |
for (int i = 0; i < l.count(); ++i) { | |
if (QAccessibleBridgeFactoryInterface *factory = | |
qobject_cast<QAccessibleBridgeFactoryInterface*>(loader()->instance(l.at(i)))) { | |
QAccessibleBridge * bridge = factory->create(l.at(i)); | |
if (bridge) | |
bridges()->append(bridge); | |
} | |
} | |
#endif | |
} | |
void QAccessible::cleanup() | |
{ | |
qDeleteAll(*bridges()); | |
} | |
void QAccessible::updateAccessibility(QObject *o, int who, Event reason) | |
{ | |
Q_ASSERT(o); | |
if (updateHandler) { | |
updateHandler(o, who, reason); | |
return; | |
} | |
initialize(); | |
if (bridges()->isEmpty()) | |
return; | |
QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o); | |
if (!iface) | |
return; | |
for (int i = 0; i < bridges()->count(); ++i) | |
bridges()->at(i)->notifyAccessibilityUpdate(reason, iface, who); | |
delete iface; | |
} | |
void QAccessible::setRootObject(QObject *o) | |
{ | |
if (rootObjectHandler) { | |
rootObjectHandler(o); | |
return; | |
} | |
initialize(); | |
if (bridges()->isEmpty()) | |
return; | |
if (!o) | |
return; | |
for (int i = 0; i < bridges()->count(); ++i) { | |
QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o); | |
bridges()->at(i)->setRootObject(iface); | |
} | |
} | |
QT_END_NAMESPACE | |
#endif // QT_NO_ACCESSIBILITY | |