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Diffstat (limited to 'src/widgets/accessible/qaccessible_unix.cpp')
-rw-r--r-- | src/widgets/accessible/qaccessible_unix.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/widgets/accessible/qaccessible_unix.cpp b/src/widgets/accessible/qaccessible_unix.cpp new file mode 100644 index 0000000000..a6b7ec3345 --- /dev/null +++ b/src/widgets/accessible/qaccessible_unix.cpp @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** 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 + |