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/* ATK - Accessibility Toolkit
* Copyright 2001 Sun Microsystems Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#include "atkhyperlink.h"
static void atk_hyperlink_class_init (AtkHyperlinkClass *klass);
static void atk_hyperlink_init (AtkHyperlink *link,
AtkHyperlinkClass *klass);
static void atk_hyperlink_action_iface_init (AtkActionIface *iface);
static gpointer parent_class = NULL;
GType
atk_hyperlink_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo typeInfo =
{
sizeof (AtkHyperlinkClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) atk_hyperlink_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (AtkHyperlink),
0,
(GInstanceInitFunc) atk_hyperlink_init,
} ;
static const GInterfaceInfo action_info =
{
(GInterfaceInitFunc) atk_hyperlink_action_iface_init,
(GInterfaceFinalizeFunc) NULL,
NULL
};
type = g_type_register_static (G_TYPE_OBJECT, "AtkHyperlink", &typeInfo, 0) ;
g_type_add_interface_static (type, ATK_TYPE_ACTION, &action_info);
}
return type;
}
static void
atk_hyperlink_class_init (AtkHyperlinkClass *klass)
{
parent_class = g_type_class_peek_parent (klass);
}
static void
atk_hyperlink_init (AtkHyperlink *link,
AtkHyperlinkClass *klass)
{
}
/**
* atk_hyperlink_get_uri:
* @link: an #AtkHyperlink
* @i: a (zero-index) integer specifying the desired anchor
*
* Get a the URI associated with the anchor specified
* by @i of @link.
*
* Multiple anchors are primarily used by client-side image maps.
*
* Returns: a string specifying the URI
**/
gchar*
atk_hyperlink_get_uri (AtkHyperlink *link,
gint i)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), NULL);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->get_uri)
return (klass->get_uri) (link, i);
else
return NULL;
}
/**
* atk_hyperlink_get_object:
* @link: an #AtkHyperlink
* @i: a (zero-index) integer specifying the desired anchor
*
* Returns the item associated with this hyperlinks nth anchor.
* For instance, the returned #AtkObject will implement #AtkText
* if @link is a text hyperlink, #AtkImage if @link is an image
* hyperlink etc.
*
* Multiple anchors are primarily used by client-side image maps.
*
* Returns: an #AtkObject associated with this hyperlinks i-th anchor
**/
AtkObject*
atk_hyperlink_get_object (AtkHyperlink *link,
gint i)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), NULL);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->get_object)
return (klass->get_object) (link, i);
else
return NULL;
}
/**
* atk_hyperlink_get_end_index:
* @link: an #AtkHyperlink
*
* Gets the index with the hypertext document at which this link ends.
*
* Returns: the index with the hypertext document at which this link ends
**/
gint
atk_hyperlink_get_end_index (AtkHyperlink *link)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->get_end_index)
return (klass->get_end_index) (link);
else
return 0;
}
/**
* atk_hyperlink_get_start_index:
* @link: an #AtkHyperlink
*
* Gets the index with the hypertext document at which this link begins.
*
* Returns: the index with the hypertext document at which this link begins
**/
gint
atk_hyperlink_get_start_index (AtkHyperlink *link)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->get_start_index)
return (klass->get_start_index) (link);
else
return 0;
}
/**
* atk_hyperlink_is_valid:
* @link: an #AtkHyperlink
*
* Since the document that a link is associated with may have changed
* this method returns %TRUE if the link is still valid (with
* respect to the document it references) and %FALSE otherwise.
*
* Returns: whether or not this link is still valid
**/
gboolean
atk_hyperlink_is_valid (AtkHyperlink *link)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), FALSE);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->is_valid)
return (klass->is_valid) (link);
else
return FALSE;
}
/**
* atk_hyperlink_get_n_anchors:
* @link: an #AtkHyperlink
*
* Gets the number of anchors associated with this hyperlink.
*
* Returns: the number of anchors associated with this hyperlink
**/
gint
atk_hyperlink_get_n_anchors (AtkHyperlink *link)
{
AtkHyperlinkClass *klass;
g_return_val_if_fail (ATK_IS_HYPERLINK (link), 0);
klass = ATK_HYPERLINK_GET_CLASS (link);
if (klass->get_n_anchors)
return (klass->get_n_anchors) (link);
else
return 0;
}
static void atk_hyperlink_action_iface_init (AtkActionIface *iface)
{
/*
* We do nothing here
*
* When we come to derive a class from AtkHyperlink we will provide an
* implementation of the AtkAction interface.
*
* This depends on being able to override an interface in a derived class
* which currently (March 2001) is not implemented but will be in GTK+ 2.0.
*/
}
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