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/* GAIL - The GNOME Accessibility Implementation Library
* 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 "config.h"
#include <gtk/gtk.h>
#include "gailhtmlbox.h"
#include "gailhtmlview.h"
#include <libgtkhtml/layout/htmlbox.h>
static void gail_html_box_class_init (GailHtmlBoxClass *klass);
static void gail_html_box_initialize (AtkObject *obj,
gpointer data);
static gint gail_html_box_get_index_in_parent (AtkObject *obj);
static AtkStateSet* gail_html_box_ref_state_set (AtkObject *obj);
static void gail_html_box_component_interface_init (AtkComponentIface *iface);
static guint gail_html_box_add_focus_handler (AtkComponent *component,
AtkFocusHandler handler);
static void gail_html_box_get_extents (AtkComponent *component,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coord_type);
static gboolean gail_html_box_grab_focus (AtkComponent *component);
static void gail_html_box_remove_focus_handler (AtkComponent *component,
guint handler_id);
G_DEFINE_TYPE_WITH_CODE (GailHtmlBox, gail_html_box, ATK_TYPE_GOBJECT,
G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, gail_html_box_component_interface_init))
static void
gail_html_box_class_init (GailHtmlBoxClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->get_index_in_parent = gail_html_box_get_index_in_parent;
class->ref_state_set = gail_html_box_ref_state_set;
class->initialize = gail_html_box_initialize;
}
static void
gail_html_box_initialize (AtkObject *obj,
gpointer data)
{
HtmlBox *box;
ATK_OBJECT_CLASS (gail_html_box_parent_class)->initialize (obj, data);
obj->role = ATK_ROLE_UNKNOWN;
box = HTML_BOX (data);
/*
* We do not set the parent here for the root node of a HtmlView
*/
if (box->parent)
{
atk_object_set_parent (obj,
atk_gobject_get_accessible (G_OBJECT (box->parent)));
}
}
static gint
gail_html_box_get_index_in_parent (AtkObject *obj)
{
AtkObject *parent;
AtkGObject *atk_gobj;
HtmlBox *box;
HtmlBox *parent_box;
gint n_children = 0;
GObject *g_obj;
g_return_val_if_fail (GAIL_IS_HTML_BOX (obj), -1);
atk_gobj = ATK_GOBJECT (obj);
g_obj = atk_gobject_get_object (atk_gobj);
if (g_obj == NULL)
return -1;
g_return_val_if_fail (HTML_IS_BOX (g_obj), -1);
box = HTML_BOX (g_obj);
parent = atk_object_get_parent (obj);
if (GAIL_IS_HTML_VIEW (parent))
{
return 0;
}
else if (ATK_IS_GOBJECT (parent))
{
parent_box = HTML_BOX (atk_gobject_get_object (ATK_GOBJECT (parent)));
}
else
{
g_assert_not_reached ();
return -1;
}
if (parent_box)
{
HtmlBox *child;
child = parent_box->children;
while (child)
{
if (child == box)
return n_children;
n_children++;
child = child->next;
}
}
return -1;
}
static AtkStateSet*
gail_html_box_ref_state_set (AtkObject *obj)
{
AtkGObject *atk_gobj;
GObject *g_obj;
AtkStateSet *state_set;
g_return_val_if_fail (GAIL_IS_HTML_BOX (obj), NULL);
atk_gobj = ATK_GOBJECT (obj);
state_set = ATK_OBJECT_CLASS (gail_html_box_parent_class)->ref_state_set (obj);
g_obj = atk_gobject_get_object (atk_gobj);
if (g_obj == NULL)
{
/* Object is defunct */
atk_state_set_add_state (state_set, ATK_STATE_DEFUNCT);
}
else
{
HtmlBox *box;
box = HTML_BOX (g_obj);
if (HTML_BOX_GET_STYLE (box)->display != HTML_DISPLAY_NONE)
{
atk_state_set_add_state (state_set, ATK_STATE_VISIBLE);
atk_state_set_add_state (state_set, ATK_STATE_SHOWING);
}
}
return state_set;
}
static void
gail_html_box_component_interface_init (AtkComponentIface *iface)
{
/*
* Use default implementation for contains and get_position
*/
iface->contains = NULL;
iface->get_position = NULL;
iface->add_focus_handler = gail_html_box_add_focus_handler;
iface->get_extents = gail_html_box_get_extents;
iface->get_size = NULL;
iface->grab_focus = gail_html_box_grab_focus;
iface->remove_focus_handler = gail_html_box_remove_focus_handler;
iface->set_extents = NULL;
iface->set_position = NULL;
iface->set_size = NULL;
}
static guint
gail_html_box_add_focus_handler (AtkComponent *component,
AtkFocusHandler handler)
{
return g_signal_connect_closure (component,
"focus-event",
g_cclosure_new (
G_CALLBACK (handler), NULL,
(GClosureNotify) NULL),
FALSE);
}
static void
gail_html_box_get_extents (AtkComponent *component,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coord_type)
{
AtkGObject *atk_gobj;
HtmlBox *box;
GObject *g_obj;
g_return_if_fail (GAIL_IS_HTML_BOX (component));
atk_gobj = ATK_GOBJECT (component);
g_obj = atk_gobject_get_object (atk_gobj);
if (g_obj == NULL)
return;
g_return_if_fail (HTML_IS_BOX (g_obj));
box = HTML_BOX (g_obj);
*x = html_box_get_absolute_x (box);
*y = html_box_get_absolute_y (box);
*width = box->width;
*height = box->height;
g_print ("%d %d %d %d\n",
html_box_get_absolute_x (box),
html_box_get_absolute_y (box),
html_box_get_containing_block_width (box),
html_box_get_containing_block_height (box));
}
static gboolean
gail_html_box_grab_focus (AtkComponent *component)
{
return TRUE;
}
static void
gail_html_box_remove_focus_handler (AtkComponent *component,
guint handler_id)
{
g_signal_handler_disconnect (ATK_OBJECT (component), handler_id);
}
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