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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwinrtuiaselectionprovider.h"
#include "qwinrtuiametadatacache.h"
#include "qwinrtuiamainprovider.h"
#include "qwinrtuiautils.h"
#include <QtGui/QAccessible>
#include <QtGui/QAccessibleInterface>
#include <QtCore/QLoggingCategory>
#include <QtCore/QString>
#include <QtCore/private/qeventdispatcher_winrt_p.h>
#include <memory>
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;
QWinRTUiaSelectionProvider::QWinRTUiaSelectionProvider(QAccessible::Id id) :
QWinRTUiaBaseProvider(id)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
QWinRTUiaSelectionProvider::~QWinRTUiaSelectionProvider()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionProvider::get_CanSelectMultiple(boolean *value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
*value = (metadata->state().multiSelectable != 0);
return S_OK;
}
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionProvider::get_IsSelectionRequired(boolean *value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
*value = false;
auto accid = id();
auto selectionRequired = std::make_shared<bool>(false);
if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, selectionRequired]() {
// Initially returns false if none are selected. After the first selection, it may be required.
bool anySelected = false;
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
int childCount = accessible->childCount();
for (int i = 0; i < childCount; ++i) {
if (QAccessibleInterface *childAcc = accessible->child(i)) {
if (childAcc->state().selected) {
anySelected = true;
break;
}
}
}
*selectionRequired = anySelected && !accessible->state().multiSelectable && !accessible->state().extSelectable;
}
return S_OK;
}))) {
return E_FAIL;
}
*value = *selectionRequired;
return S_OK;
}
// Returns an array of providers with the selected items.
HRESULT STDMETHODCALLTYPE QWinRTUiaSelectionProvider::GetSelection(UINT32 *returnValueSize, IIRawElementProviderSimple ***returnValue)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!returnValueSize || !returnValue)
return E_INVALIDARG;
*returnValueSize = 0;
*returnValue = nullptr;
auto accid = id();
auto elementIds = std::make_shared<QVarLengthArray<QAccessible::Id>>();
if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, elementIds]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
int childCount = accessible->childCount();
for (int i = 0; i < childCount; ++i) {
if (QAccessibleInterface *childAcc = accessible->child(i)) {
if (childAcc->state().selected) {
QAccessible::Id childId = idForAccessible(childAcc);
QWinRTUiaMetadataCache::instance()->load(childId);
elementIds->append(childId);
}
}
}
}
return S_OK;
}))) {
return E_FAIL;
}
return QWinRTUiaMainProvider::rawProviderArrayForAccessibleIdList(*elementIds, returnValueSize, returnValue);
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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