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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 "qwinrtuiaselectionitemprovider.h"
#include "qwinrtuiamainprovider.h"
#include "qwinrtuiametadatacache.h"
#include "qwinrtuiautils.h"
#include <QtGui/QAccessible>
#include <QtGui/QAccessibleInterface>
#include <QtCore/QLoggingCategory>
#include <QtCore/QString>
#include <QtCore/private/qeventdispatcher_winrt_p.h>
QT_BEGIN_NAMESPACE
using namespace QWinRTUiAutomation;
using namespace ABI::Windows::UI::Xaml::Automation;
using namespace ABI::Windows::UI::Xaml::Automation::Provider;
using namespace ABI::Windows::UI::Xaml::Automation::Peers;
QWinRTUiaSelectionItemProvider::QWinRTUiaSelectionItemProvider(QAccessible::Id id) :
QWinRTUiaBaseProvider(id)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
QWinRTUiaSelectionItemProvider::~QWinRTUiaSelectionItemProvider()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
// Returns true if element is currently selected.
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionItemProvider::get_IsSelected(boolean *value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
if (metadata->role() == QAccessible::RadioButton)
*value = metadata->state().checked;
else
*value = metadata->state().selected;
return S_OK;
}
// Returns the provider for the container element (e.g., the list for the list item).
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionItemProvider::get_SelectionContainer(IIRawElementProviderSimple **value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
*value = nullptr;
auto accid = id();
auto elementId = QSharedPointer<QAccessible::Id>(new QAccessible::Id(0));
auto ptrElementId = new QSharedPointer<QAccessible::Id>(elementId);
if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, ptrElementId]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
// Radio buttons do not require a container.
if (accessible->role() == QAccessible::ListItem) {
if (QAccessibleInterface *parent = accessible->parent()) {
if (parent->role() == QAccessible::List) {
**ptrElementId = idForAccessible(parent);
}
}
}
}
delete ptrElementId;
return S_OK;
}))) {
return E_FAIL;
}
if (!*elementId)
return S_OK;
return QWinRTUiaMainProvider::rawProviderForAccessibleId(*elementId, value);
}
// Adds the element to the list of selected elements.
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionItemProvider::AddToSelection()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
auto accid = id();
QEventDispatcherWinRT::runOnMainThread([accid]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
if (QAccessibleActionInterface *actionInterface = accessible->actionInterface()) {
if (accessible->role() == QAccessible::RadioButton) {
// For radio buttons we invoke the selection action.
actionInterface->doAction(QAccessibleActionInterface::pressAction());
} else {
// Toggle list item if not already selected.
if (!accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
}
}
}
QWinRTUiaMetadataCache::instance()->load(accid);
return S_OK;
}, 0);
return S_OK;
}
// Removes a list item from selection.
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionItemProvider::RemoveFromSelection()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
auto accid = id();
QEventDispatcherWinRT::runOnMainThread([accid]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
if (QAccessibleActionInterface *actionInterface = accessible->actionInterface()) {
if (accessible->role() != QAccessible::RadioButton) {
if (accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
}
}
}
QWinRTUiaMetadataCache::instance()->load(accid);
return S_OK;
}, 0);
return S_OK;
}
// Selects the element (deselecting all others).
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionItemProvider::Select()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
auto accid = id();
QEventDispatcherWinRT::runOnMainThread([accid]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
if (QAccessibleActionInterface *actionInterface = accessible->actionInterface()) {
if (accessible->role() == QAccessible::RadioButton) {
// For radio buttons we just invoke the selection action; others are automatically deselected.
actionInterface->doAction(QAccessibleActionInterface::pressAction());
} else {
// Toggle list item if not already selected. It must be done first to support all selection modes.
if (!accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
// Toggle selected siblings.
if (QAccessibleInterface *parent = accessible->parent()) {
for (int i = 0; i < parent->childCount(); ++i) {
if (QAccessibleInterface *sibling = parent->child(i)) {
if ((sibling != accessible) && (sibling->state().selected)) {
if (QAccessibleActionInterface *siblingAction = sibling->actionInterface()) {
siblingAction->doAction(QAccessibleActionInterface::toggleAction());
}
}
}
}
}
}
}
}
QWinRTUiaMetadataCache::instance()->load(accid);
return S_OK;
}, 0);
return S_OK;
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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