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/****************************************************************************
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** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
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** This file is part of the accessibility module of the Qt Toolkit.
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.QPL included in the packaging of this file.
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for QPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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** Contact info@trolltech.com if any conditions of this licensing are
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
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#include "qaccessible.h"
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#include "qaccessiblebridge.h"
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#ifndef QT_NO_ACCESSIBILITY
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#include "qcoreapplication.h"
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#include "private/qfactoryloader_p.h"
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#ifndef QT_NO_COMPONENT
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Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
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(QAccessibleBridgeFactoryInterface_iid, QCoreApplication::libraryPaths(), "/accessiblebridge"))
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Q_GLOBAL_STATIC(QVector<QAccessibleBridge *>, bridges)
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static bool isInit = false;
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void QAccessible::initialize()
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if (qgetenv("QT_ACCESSIBILITY") != "1")
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#ifndef QT_NO_COMPONENT
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const QStringList l = loader()->keys();
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for (int i = 0; i < l.count(); ++i) {
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if (QAccessibleBridgeFactoryInterface *factory =
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qobject_cast<QAccessibleBridgeFactoryInterface*>(loader()->instance(l.at(i)))) {
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QAccessibleBridge * bridge = factory->create(l.at(i));
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bridges()->append(bridge);
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void QAccessible::cleanup()
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qDeleteAll(*bridges());
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void QAccessible::updateAccessibility(QObject *o, int who, Event reason)
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updateHandler(o, who, reason);
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if (bridges()->isEmpty())
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QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o);
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for (int i = 0; i < bridges()->count(); ++i)
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bridges()->at(i)->notifyAccessibilityUpdate(reason, iface, who);
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void QAccessible::setRootObject(QObject *o)
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if (rootObjectHandler) {
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if (bridges()->isEmpty())
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for (int i = 0; i < bridges()->count(); ++i) {
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QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o);
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bridges()->at(i)->setRootObject(iface);