1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/* -*- 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, atk_noop_object_wrapper_new());
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 atk_noop_object_wrapper_new();
}
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: */
|
