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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwinrtuiametadatacache.h"
#include "qwinrtuiautils.h"
#include <QtCore/QLoggingCategory>
#include <QtCore/private/qeventdispatcher_winrt_p.h>
QT_BEGIN_NAMESPACE
using namespace QWinRTUiAutomation;
// Private constructor
QWinRTUiaMetadataCache::QWinRTUiaMetadataCache()
{
}
// shared instance
QWinRTUiaMetadataCache *QWinRTUiaMetadataCache::instance()
{
static QWinRTUiaMetadataCache metadataCache;
return &metadataCache;
}
// Returns the cached metadata associated with the ID, or an instance with default values.
QSharedPointer<QWinRTUiaControlMetadata> QWinRTUiaMetadataCache::metadataForId(QAccessible::Id id)
{
QSharedPointer<QWinRTUiaControlMetadata> metadata;
m_mutex.lock();
if (m_metadataTable.contains(id))
metadata = m_metadataTable[id];
else
metadata = QSharedPointer<QWinRTUiaControlMetadata>(new QWinRTUiaControlMetadata);
m_mutex.unlock();
return metadata;
}
// Caches metadata from the accessibility framework within the main thread.
bool QWinRTUiaMetadataCache::load(QAccessible::Id id)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([id]() {
QWinRTUiaMetadataCache::instance()->insert(id, QSharedPointer<QWinRTUiaControlMetadata>(new QWinRTUiaControlMetadata(id)));
return S_OK;
}))) {
return false;
}
return true;
}
// Inserts metadata in the cache and associates it with an accessibility ID.
void QWinRTUiaMetadataCache::insert(QAccessible::Id id, const QSharedPointer<QWinRTUiaControlMetadata> &metadata)
{
m_mutex.lock();
m_metadataTable[id] = metadata;
m_mutex.unlock();
}
// Removes metadata with a given id from the cache.
void QWinRTUiaMetadataCache::remove(QAccessible::Id id)
{
m_mutex.lock();
m_metadataTable.remove(id);
m_mutex.unlock();
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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