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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qplatformaccessibility.h"
#include <private/qfactoryloader_p.h>
#include "qaccessibleplugin.h"
#include "qaccessibleobject.h"
#include "qaccessiblebridge.h"
#include <QtGui/QGuiApplication>
#include <QDebug>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
#ifndef QT_NO_ACCESSIBILITY
/* accessiblebridge plugin discovery stuff */
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, bridgeloader,
(QAccessibleBridgeFactoryInterface_iid, "/accessiblebridge"_L1))
Q_GLOBAL_STATIC(QList<QAccessibleBridge *>, bridges)
/*!
\class QPlatformAccessibility
\since 5.0
\internal
\preliminary
\ingroup qpa
\ingroup accessibility
\brief The QPlatformAccessibility class is the base class for
integrating accessibility backends
\sa QAccessible
*/
QPlatformAccessibility::QPlatformAccessibility()
: m_active(false)
{
}
QPlatformAccessibility::~QPlatformAccessibility()
{
}
void QPlatformAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event)
{
initialize();
if (!bridges() || bridges()->isEmpty())
return;
for (int i = 0; i < bridges()->count(); ++i)
bridges()->at(i)->notifyAccessibilityUpdate(event);
}
void QPlatformAccessibility::setRootObject(QObject *o)
{
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);
}
}
void QPlatformAccessibility::initialize()
{
static bool isInit = false;
if (isInit)
return;
isInit = true; // ### not atomic
typedef QMultiMap<int, QString> PluginKeyMap;
typedef PluginKeyMap::const_iterator PluginKeyMapConstIterator;
const PluginKeyMap keyMap = bridgeloader()->keyMap();
QAccessibleBridgePlugin *factory = nullptr;
int i = -1;
const PluginKeyMapConstIterator cend = keyMap.constEnd();
for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cend; ++it) {
if (it.key() != i) {
i = it.key();
factory = qobject_cast<QAccessibleBridgePlugin*>(bridgeloader()->instance(i));
}
if (factory)
if (QAccessibleBridge *bridge = factory->create(it.value()))
bridges()->append(bridge);
}
}
void QPlatformAccessibility::cleanup()
{
qDeleteAll(*bridges());
}
void QPlatformAccessibility::setActive(bool active)
{
m_active = active;
QAccessible::setActive(active);
}
#endif // QT_NO_ACCESSIBILITY
QT_END_NAMESPACE
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