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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 <unx/gtk/gtkframe.hxx>
#include <vcl/window.hxx>
#include "atkwrapper.hxx"
#include "atkfactory.hxx"
#include "atkregistry.hxx"
using namespace ::com::sun::star;
extern "C" {
/*
* Instances of this dummy object class are returned whenever we have to
* create an AtkObject, but can't touch the OOo object anymore since it
* is already disposed.
*/
static AtkStateSet *
noop_wrapper_ref_state_set( AtkObject * )
{
AtkStateSet *state_set = atk_state_set_new();
atk_state_set_add_state( state_set, ATK_STATE_DEFUNCT );
return state_set;
}
static void
atk_noop_object_wrapper_class_init(AtkNoOpObjectClass *klass)
{
AtkObjectClass *atk_class = ATK_OBJECT_CLASS( klass );
atk_class->ref_state_set = noop_wrapper_ref_state_set;
}
static GType
atk_noop_object_wrapper_get_type()
{
static GType type = 0;
if (!type)
{
static const GTypeInfo typeInfo =
{
sizeof (AtkNoOpObjectClass),
nullptr,
nullptr,
reinterpret_cast<GClassInitFunc>(atk_noop_object_wrapper_class_init),
nullptr,
nullptr,
sizeof (AtkObjectWrapper),
0,
nullptr,
nullptr
} ;
type = g_type_register_static (ATK_TYPE_OBJECT, "OOoAtkNoOpObj", &typeInfo, GTypeFlags(0)) ;
}
return type;
}
static AtkObject*
atk_noop_object_wrapper_new()
{
AtkObject *accessible;
accessible = static_cast<AtkObject *>(g_object_new (atk_noop_object_wrapper_get_type(), nullptr));
g_return_val_if_fail (accessible != nullptr, nullptr);
accessible->role = ATK_ROLE_INVALID;
accessible->layer = ATK_LAYER_INVALID;
return accessible;
}
/*
* The wrapper factory
*/
static GType
wrapper_factory_get_accessible_type()
{
return atk_object_wrapper_get_type();
}
static AtkObject*
wrapper_factory_create_accessible( GObject *obj )
{
GtkWidget* pEventBox = gtk_widget_get_parent(GTK_WIDGET(obj));
// gail_container_real_remove_gtk tries to re-instantiate an accessible
// for a widget that is about to vanish ..
if (!pEventBox)
return atk_noop_object_wrapper_new();
GtkWidget* pTopLevelGrid = gtk_widget_get_parent(pEventBox);
if (!pTopLevelGrid)
return atk_noop_object_wrapper_new();
GtkWidget* pTopLevel = gtk_widget_get_parent(pTopLevelGrid);
if (!pTopLevel)
return atk_noop_object_wrapper_new();
GtkSalFrame* pFrame = GtkSalFrame::getFromWindow(pTopLevel);
g_return_val_if_fail( pFrame != nullptr, nullptr );
vcl::Window* pFrameWindow = pFrame->GetWindow();
if( pFrameWindow )
{
vcl::Window* pWindow = pFrameWindow;
// skip accessible objects already exposed by the frame objects
if( WindowType::BORDERWINDOW == pWindow->GetType() )
pWindow = pFrameWindow->GetAccessibleChildWindow(0);
if( pWindow )
{
uno::Reference< accessibility::XAccessible > xAccessible = pWindow->GetAccessible();
if( xAccessible.is() )
{
AtkObject *accessible = ooo_wrapper_registry_get( xAccessible );
if( accessible )
g_object_ref( G_OBJECT(accessible) );
else
accessible = atk_object_wrapper_new( xAccessible, gtk_widget_get_accessible(pTopLevel) );
return accessible;
}
}
}
return nullptr;
}
AtkObject* ooo_fixed_get_accessible(GtkWidget *obj)
{
return wrapper_factory_create_accessible(G_OBJECT(obj));
}
static void
wrapper_factory_class_init( AtkObjectFactoryClass *klass )
{
klass->create_accessible = wrapper_factory_create_accessible;
klass->get_accessible_type = wrapper_factory_get_accessible_type;
}
GType
wrapper_factory_get_type()
{
static GType t = 0;
if (!t) {
static const GTypeInfo tinfo =
{
sizeof (AtkObjectFactoryClass),
nullptr, nullptr, reinterpret_cast<GClassInitFunc>(wrapper_factory_class_init),
nullptr, nullptr, sizeof (AtkObjectFactory), 0, nullptr, nullptr
};
t = g_type_register_static (
ATK_TYPE_OBJECT_FACTORY, "OOoAtkObjectWrapperFactory",
&tinfo, GTypeFlags(0));
}
return t;
}
} // extern C
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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