1 /* ATK - Accessibility Toolkit
2 * Copyright 2001 Sun Microsystems Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "atkhyperlink.h"
23 static void atk_hyperlink_class_init (AtkHyperlinkClass *klass);
24 static void atk_hyperlink_init (AtkHyperlink *link,
25 AtkHyperlinkClass *klass);
27 static void atk_hyperlink_action_iface_init (AtkActionIface *iface);
29 static gpointer parent_class = NULL;
32 atk_hyperlink_get_type (void)
34 static GType type = 0;
38 static const GTypeInfo typeInfo =
40 sizeof (AtkHyperlinkClass),
42 (GBaseFinalizeFunc) NULL,
43 (GClassInitFunc) atk_hyperlink_class_init,
44 (GClassFinalizeFunc) NULL,
48 (GInstanceInitFunc) atk_hyperlink_init,
51 static const GInterfaceInfo action_info =
53 (GInterfaceInitFunc) atk_hyperlink_action_iface_init,
54 (GInterfaceFinalizeFunc) NULL,
58 type = g_type_register_static (G_TYPE_OBJECT, "AtkHyperlink", &typeInfo, 0) ;
59 g_type_add_interface_static (type, ATK_TYPE_ACTION, &action_info);
65 atk_hyperlink_class_init (AtkHyperlinkClass *klass)
67 parent_class = g_type_class_ref (G_TYPE_OBJECT);
72 atk_hyperlink_init (AtkHyperlink *link,
73 AtkHyperlinkClass *klass)
78 * atk_hyperlink_get_uri:
79 * @link: an #AtkHyperlink
80 * @i: a (zero-index) integer specifying the desired anchor
82 * Get a the URI associated with the anchor specified
85 * Multiple anchors are primarily used by client-side image maps.
87 * Returns: a string specifying the URI
90 atk_hyperlink_get_uri (AtkHyperlink *link,
93 AtkHyperlinkClass *klass;
95 g_return_val_if_fail ((link != NULL), NULL);
96 g_return_val_if_fail (ATK_IS_HYPERLINK (link), NULL);
98 klass = ATK_HYPERLINK_GET_CLASS (link);
99 g_return_val_if_fail ((klass->get_uri != NULL), NULL);
101 return (klass->get_uri) (link, i);
105 * atk_hyperlink_get_object:
106 * @link: an #AtkHyperlink
107 * @i: a (zero-index) integer specifying the desired anchor
109 * Returns the item associated with this hyperlinks nth anchor. For instance,
110 * the returned #AtkObject will implement #AtkText if @link is a text hyperlink,
111 * #AtkImage if @link is an image hyperlink etc.
113 * Multiple anchors are primarily used by client-side image maps.
115 * Returns: an #AtkObject associated with this hyperlinks i-th anchor.
118 atk_hyperlink_get_object (AtkHyperlink *link,
121 AtkHyperlinkClass *klass;
123 g_return_val_if_fail ((link != NULL), NULL);
124 g_return_val_if_fail (ATK_IS_HYPERLINK (link), NULL);
126 klass = ATK_HYPERLINK_GET_CLASS (link);
127 g_return_val_if_fail ((klass->get_object != NULL), NULL);
129 return (klass->get_object) (link, i);
133 * atk_hyperlink_get_end_index:
134 * @link: an #AtkHyperlink
136 * Gets the index with the hypertext document at which this link ends
138 * Returns: the index with the hypertext document at which this link ends
141 atk_hyperlink_get_end_index (AtkHyperlink *link)
143 AtkHyperlinkClass *klass;
145 g_return_val_if_fail ((link != NULL), 0);
146 g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
148 klass = ATK_HYPERLINK_GET_CLASS (link);
149 g_return_val_if_fail ((klass->get_end_index != NULL), 0);
151 return (klass->get_end_index) (link);
155 * atk_hyperlink_get_start_index:
156 * @link: an #AtkHyperlink
158 * Gets the index with the hypertext document at which this link begins
160 * Returns: the index with the hypertext document at which this link begins
163 atk_hyperlink_get_start_index (AtkHyperlink *link)
165 AtkHyperlinkClass *klass;
167 g_return_val_if_fail ((link != NULL), 0);
168 g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
170 klass = ATK_HYPERLINK_GET_CLASS (link);
171 g_return_val_if_fail ((klass->get_start_index != NULL), 0);
173 return (klass->get_start_index) (link);
177 * atk_hyperlink_is_valid:
178 * @link: an #AtkHyperlink
180 * Since the document a link is associated with may have changed, this
181 * method returns whether or not this link is still valid (with respect
182 * to the document is references)
184 * Returns: whether or not this link is still valid.
187 atk_hyperlink_is_valid (AtkHyperlink *link)
189 AtkHyperlinkClass *klass;
191 g_return_val_if_fail ((link != NULL), FALSE);
192 g_return_val_if_fail (ATK_IS_HYPERLINK (link), FALSE);
194 klass = ATK_HYPERLINK_GET_CLASS (link);
195 g_return_val_if_fail ((klass->is_valid != NULL), FALSE);
197 return (klass->is_valid) (link);
201 * atk_hyperlink_get_n_anchors:
202 * @link: an #AtkHyperlink
204 * Gets the number of anchors associated with this hyperlink
206 * Returns: the number of anchors associated with this hyperlink
209 atk_hyperlink_get_n_anchors (AtkHyperlink *link)
211 AtkHyperlinkClass *klass;
213 g_return_val_if_fail ((link != NULL), 0);
214 g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
216 klass = ATK_HYPERLINK_GET_CLASS (link);
217 g_return_val_if_fail ((klass->get_n_anchors != NULL), 0);
219 return (klass->get_n_anchors) (link);
222 static void atk_hyperlink_action_iface_init (AtkActionIface *iface)
227 * When we come to derive a class from AtkHyperlink we will provide an
228 * implementation of the AtkAction interface.
230 * This depends on being able to override an interface in a derived class
231 * which currently (March 2001) is not implemented but will be in GTK+ 2.0.