| /**************************************************************************** |
| ** |
| ** 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 |
| |