Long live Qt 4.5!

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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qaccessiblebridge.h"
+
+#ifndef QT_NO_ACCESSIBILITY
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QAccessibleBridge
+    \brief The QAccessibleBridge class is the base class for
+    accessibility back-ends.
+
+    \ingroup accessibility
+
+    Qt supports Microsoft Active Accessibility (MSAA), Mac OS X
+    Accessibility, and the Unix/X11 AT-SPI standard. By subclassing
+    QAccessibleBridge, you can support other backends than the
+    predefined ones.
+
+    Currently, custom bridges are only supported on Unix. We might
+    add support for them on other platforms as well if there is
+    enough demand.
+
+    \sa QAccessible, QAccessibleBridgePlugin
+*/
+
+/*!
+    \fn QAccessibleBridge::~QAccessibleBridge()
+
+    Destroys the accessibility bridge object.
+*/
+
+/*!
+    \fn void QAccessibleBridge::setRootObject(QAccessibleInterface *object)
+
+    This function is called by Qt at application startup to set the
+    root accessible object of the application to \a object. All other
+    accessible objects in the application can be reached by the
+    client using object navigation.
+*/
+
+/*!
+    \fn void QAccessibleBridge::notifyAccessibilityUpdate(int reason, QAccessibleInterface *interface, int child)
+
+    This function is called by Qt to notify the bridge about a change
+    in the accessibility information for object wrapped by the given
+    \a interface.
+
+    \a reason specifies the cause of the change. It can take values
+    of type QAccessible::Event.
+
+    \a child is the (1-based) index of the child element that has
+    changed. When \a child is 0, the object itself has changed.
+
+    \sa QAccessible::updateAccessibility()
+*/
+
+/*!
+    \class QAccessibleBridgePlugin
+    \brief The QAccessibleBridgePlugin class provides an abstract
+    base for accessibility bridge plugins.
+
+    \ingroup plugins
+    \ingroup accessibility
+
+    Writing an accessibility bridge plugin is achieved by subclassing
+    this base class, reimplementing the pure virtual functions keys()
+    and create(), and exporting the class with the
+    Q_EXPORT_PLUGIN2() macro.
+
+    \sa QAccessibleBridge, QAccessiblePlugin, {How to Create Qt Plugins}
+*/
+
+/*!
+    Constructs an accessibility bridge plugin with the given \a
+    parent. This is invoked automatically by the Q_EXPORT_PLUGIN2()
+    macro.
+*/
+QAccessibleBridgePlugin::QAccessibleBridgePlugin(QObject *parent)
+    : QObject(parent)
+{
+
+}
+
+/*!
+    Destroys the accessibility bridge plugin.
+
+    You never have to call this explicitly. Qt destroys a plugin
+    automatically when it is no longer used.
+*/
+QAccessibleBridgePlugin::~QAccessibleBridgePlugin()
+{
+
+}
+
+/*!
+    \fn QStringList QAccessibleBridgePlugin::keys() const
+
+    Returns the list of keys this plugins supports.
+
+    These keys must be the names of the bridges that this
+    plugin provides.
+
+    \sa create()
+*/
+
+/*!
+    \fn QAccessibleBridge *QAccessibleBridgePlugin::create(const QString &key)
+
+    Creates and returns the QAccessibleBridge object corresponding to
+    the given \a key. Keys are case sensitive.
+
+    \sa keys()
+*/
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_ACCESSIBILITY