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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "atkwrapper.hxx"
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <sal/log.hxx>
using namespace ::com::sun::star;
/// @throws uno::RuntimeException
static css::uno::Reference<css::accessibility::XAccessibleSelection>
getSelection( AtkSelection *pSelection )
{
AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pSelection );
if( pWrap )
{
if( !pWrap->mpSelection.is() )
{
pWrap->mpSelection.set(pWrap->mpContext, css::uno::UNO_QUERY);
}
return pWrap->mpSelection;
}
return css::uno::Reference<css::accessibility::XAccessibleSelection>();
}
extern "C" {
static gboolean
selection_add_selection( AtkSelection *selection,
gint i )
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
{
pSelection->selectAccessibleChild( i );
return true;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in selectAccessibleChild()" );
}
return FALSE;
}
static gboolean
selection_clear_selection( AtkSelection *selection )
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
{
pSelection->clearAccessibleSelection();
return true;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in clearAccessibleSelection()" );
}
return FALSE;
}
static AtkObject*
selection_ref_selection( AtkSelection *selection,
gint i )
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
return atk_object_wrapper_ref( pSelection->getSelectedAccessibleChild( i ) );
}
catch(const uno::Exception&) {
g_warning( "Exception in getSelectedAccessibleChild()" );
}
return nullptr;
}
static gint
selection_get_selection_count( AtkSelection *selection)
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
{
sal_Int64 nSelected = pSelection->getSelectedAccessibleChildCount();
if (nSelected > std::numeric_limits<gint>::max())
{
SAL_WARN("vcl.gtk", "selection_get_selection_count: Count exceeds maximum gint value, "
"using max gint.");
nSelected = std::numeric_limits<gint>::max();
}
return nSelected;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in getSelectedAccessibleChildCount()" );
}
return -1;
}
static gboolean
selection_is_child_selected( AtkSelection *selection,
gint i)
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
return pSelection->isAccessibleChildSelected( i );
}
catch(const uno::Exception&) {
g_warning( "Exception in isAccessibleChildSelected()" );
}
return FALSE;
}
static gboolean
selection_remove_selection( AtkSelection *selection,
gint i )
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
{
css::uno::Reference<css::accessibility::XAccessible> xAcc = pSelection->getSelectedAccessibleChild(i);
if (!xAcc.is())
return false;
css::uno::Reference<css::accessibility::XAccessibleContext> xAccContext = xAcc->getAccessibleContext();
const sal_Int64 nChildIndex = xAccContext->getAccessibleIndexInParent();
pSelection->deselectAccessibleChild(nChildIndex);
return true;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in getSelectedAccessibleChild(), getAccessibleIndexInParent() or deselectAccessibleChild()" );
}
return FALSE;
}
static gboolean
selection_select_all_selection( AtkSelection *selection)
{
try {
css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
= getSelection( selection );
if( pSelection.is() )
{
pSelection->selectAllAccessibleChildren();
return true;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in selectAllAccessibleChildren()" );
}
return FALSE;
}
} // extern "C"
void
selectionIfaceInit( gpointer iface_, gpointer)
{
auto const iface = static_cast<AtkSelectionIface *>(iface_);
g_return_if_fail (iface != nullptr);
iface->add_selection = selection_add_selection;
iface->clear_selection = selection_clear_selection;
iface->ref_selection = selection_ref_selection;
iface->get_selection_count = selection_get_selection_count;
iface->is_child_selected = selection_is_child_selected;
iface->remove_selection = selection_remove_selection;
iface->select_all_selection = selection_select_all_selection;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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