xref: /aoo41x/main/vcl/unx/gtk/a11y/atkselection.cxx (revision 9f62ea84)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include "atkwrapper.hxx"

#include <com/sun/star/accessibility/XAccessibleSelection.hpp>

#include <stdio.h>

using namespace ::com::sun::star;

static accessibility::XAccessibleSelection*
    getSelection( AtkSelection *pSelection ) throw (uno::RuntimeException)
{
    AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pSelection );
    if( pWrap )
    {
        if( !pWrap->mpSelection && pWrap->mpContext )
        {
            uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleSelection::static_type(NULL) );
            pWrap->mpSelection = reinterpret_cast< accessibility::XAccessibleSelection * > (any.pReserved);
            pWrap->mpSelection->acquire();
        }

        return pWrap->mpSelection;
    }

    return NULL;
}

extern "C" {

static gboolean
selection_add_selection( AtkSelection *selection,
                         gint          i )
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
        {
            pSelection->selectAccessibleChild( i );
            return TRUE;
        }
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in selectAccessibleChild()" );
    }

    return FALSE;
}

static gboolean
selection_clear_selection( AtkSelection *selection )
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
        {
            pSelection->clearAccessibleSelection();
            return TRUE;
        }
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in selectAccessibleChild()" );
    }

    return FALSE;
}

static AtkObject*
selection_ref_selection( AtkSelection *selection,
                         gint          i )
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
            return atk_object_wrapper_ref( pSelection->getSelectedAccessibleChild( i ) );
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in getSelectedAccessibleChild()" );
    }

    return NULL;
}

static gint
selection_get_selection_count( AtkSelection   *selection)
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
            return pSelection->getSelectedAccessibleChildCount();
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in getSelectedAccessibleChildCount()" );
    }

    return -1;
}

static gboolean
selection_is_child_selected( AtkSelection   *selection,
                              gint           i)
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
            return pSelection->isAccessibleChildSelected( i );
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in getSelectedAccessibleChildCount()" );
    }

    return FALSE;
}

static gboolean
selection_remove_selection( AtkSelection *selection,
                            gint           i )
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
        {
            pSelection->deselectAccessibleChild( i );
            return TRUE;
        }
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in getSelectedAccessibleChildCount()" );
    }

    return FALSE;
}

static gboolean
selection_select_all_selection( AtkSelection   *selection)
{
    try {
        accessibility::XAccessibleSelection* pSelection = getSelection( selection );
        if( pSelection )
        {
            pSelection->selectAllAccessibleChildren();
            return TRUE;
        }
    }
    catch(const uno::Exception& e) {
        g_warning( "Exception in getSelectedAccessibleChildCount()" );
    }

    return FALSE;
}

} // extern "C"

void
selectionIfaceInit( AtkSelectionIface *iface)
{
  g_return_if_fail (iface != NULL);

  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;
}