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
|
/*
* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* relation.c : implements the Relation interface */
#include <config.h>
#include <stdio.h>
#include <libspi/accessible.h>
#include <libspi/relation.h>
static gboolean
spi_init_relation_type_table (Accessibility_RelationType *types)
{
gint i;
for (i = 0; i < ATK_RELATION_LAST_DEFINED; i++)
types[i] = Accessibility_RELATION_NULL;
types[ATK_RELATION_CONTROLLED_BY] = Accessibility_RELATION_CONTROLLED_BY;
types[ATK_RELATION_CONTROLLER_FOR] = Accessibility_RELATION_CONTROLLER_FOR;
types[ATK_RELATION_LABEL_FOR] = Accessibility_RELATION_LABEL_FOR;
types[ATK_RELATION_LABELLED_BY] = Accessibility_RELATION_LABELLED_BY;
types[ATK_RELATION_MEMBER_OF] = Accessibility_RELATION_MEMBER_OF;
types[ATK_RELATION_NODE_CHILD_OF] = Accessibility_RELATION_NODE_CHILD_OF;
types[ATK_RELATION_FLOWS_TO] = Accessibility_RELATION_FLOWS_TO;
types[ATK_RELATION_FLOWS_FROM] = Accessibility_RELATION_FLOWS_FROM;
types[ATK_RELATION_SUBWINDOW_OF] = Accessibility_RELATION_SUBWINDOW_OF;
types[ATK_RELATION_EMBEDS] = Accessibility_RELATION_EMBEDS;
types[ATK_RELATION_EMBEDDED_BY] = Accessibility_RELATION_EMBEDDED_BY;
types[ATK_RELATION_POPUP_FOR] = Accessibility_RELATION_POPUP_FOR;
types[ATK_RELATION_PARENT_WINDOW_OF] = Accessibility_RELATION_PARENT_WINDOW_OF;
return TRUE;
}
static Accessibility_RelationType
spi_relation_type_from_atk_relation_type (AtkRelationType type)
{
static gboolean is_initialized = FALSE;
static Accessibility_RelationType spi_relation_type_table [ATK_RELATION_LAST_DEFINED];
Accessibility_RelationType spi_type;
if (!is_initialized)
is_initialized = spi_init_relation_type_table (spi_relation_type_table);
if (type > ATK_RELATION_NULL && type < ATK_RELATION_LAST_DEFINED)
spi_type = spi_relation_type_table[type];
else
spi_type = Accessibility_RELATION_EXTENDED;
return spi_type;
}
static AtkRelation *
get_relation_from_servant (PortableServer_Servant servant)
{
SpiBase *base = SPI_BASE (bonobo_object_from_servant(servant));
g_return_val_if_fail (base, NULL);
return ATK_RELATION(base->gobj);
}
static Accessibility_RelationType
impl_getRelationType (PortableServer_Servant servant,
CORBA_Environment * ev)
{
AtkRelation *relation = get_relation_from_servant (servant);
AtkRelationType type;
g_return_val_if_fail (relation != NULL, 0);
type = atk_relation_get_relation_type (relation);
return spi_relation_type_from_atk_relation_type (type);
}
static CORBA_short
impl_getNTargets (PortableServer_Servant servant,
CORBA_Environment * ev)
{
AtkRelation *relation = get_relation_from_servant(servant);
g_return_val_if_fail (relation != NULL, 0);
return relation->target ? relation->target->len : 0;
}
static CORBA_Object
impl_getTarget (PortableServer_Servant servant,
const CORBA_short index,
CORBA_Environment * ev)
{
AtkObject *atk_object;
AtkRelation *relation = get_relation_from_servant (servant);
g_return_val_if_fail (relation, NULL);
if (!relation->target ||
index < 0 ||
index >= relation->target->len)
return CORBA_OBJECT_NIL;
atk_object = g_ptr_array_index (relation->target, index);
if (!atk_object)
return CORBA_OBJECT_NIL;
return spi_accessible_new_return (atk_object, FALSE, ev);
}
SpiRelation *
spi_relation_new (AtkRelation *obj)
{
SpiRelation *new_relation = g_object_new (SPI_RELATION_TYPE, NULL);
spi_base_construct (SPI_BASE (new_relation), G_OBJECT (obj));
return new_relation;
}
static void
spi_relation_class_init (SpiRelationClass *klass)
{
POA_Accessibility_Relation__epv *epv = &klass->epv;
epv->getRelationType = impl_getRelationType;
epv->getNTargets = impl_getNTargets;
epv->getTarget = impl_getTarget;
}
static void
spi_relation_init (SpiRelation *relation)
{
}
BONOBO_TYPE_FUNC_FULL (SpiRelation,
Accessibility_Relation,
SPI_TYPE_BASE,
spi_relation)
|
