diff options
Diffstat (limited to 'src/plugins/platforms/winrt/uiautomation/qwinrtuiametadatacache.cpp')
-rw-r--r-- | src/plugins/platforms/winrt/uiautomation/qwinrtuiametadatacache.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/plugins/platforms/winrt/uiautomation/qwinrtuiametadatacache.cpp b/src/plugins/platforms/winrt/uiautomation/qwinrtuiametadatacache.cpp new file mode 100644 index 0000000000..442ff184a8 --- /dev/null +++ b/src/plugins/platforms/winrt/uiautomation/qwinrtuiametadatacache.cpp @@ -0,0 +1,112 @@ +/**************************************************************************** +** +** 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) + |