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/*
* Copyright (C) 2012 Igalia S.L.
*
* 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; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitWebViewBaseAccessible.h"
#include "WebKitPrivate.h"
#include <gtk/gtk.h>
struct _WebKitWebViewBaseAccessiblePrivate {
GtkWidget* widget;
};
WEBKIT_DEFINE_TYPE(WebKitWebViewBaseAccessible, webkit_web_view_base_accessible, ATK_TYPE_SOCKET)
static void webkitWebViewBaseAccessibleWidgetDestroyed(GtkWidget* widget, WebKitWebViewBaseAccessible* accessible)
{
accessible->priv->widget = 0;
atk_object_notify_state_change(ATK_OBJECT(accessible), ATK_STATE_DEFUNCT, TRUE);
}
static void webkitWebViewBaseAccessibleInitialize(AtkObject* atkObject, gpointer data)
{
if (ATK_OBJECT_CLASS(webkit_web_view_base_accessible_parent_class)->initialize)
ATK_OBJECT_CLASS(webkit_web_view_base_accessible_parent_class)->initialize(atkObject, data);
if (data && GTK_IS_WIDGET(data)) {
WebKitWebViewBaseAccessible* accessible = WEBKIT_WEB_VIEW_BASE_ACCESSIBLE(atkObject);
accessible->priv->widget = GTK_WIDGET(data);
g_signal_connect_after(accessible->priv->widget, "destroy",
G_CALLBACK(webkitWebViewBaseAccessibleWidgetDestroyed), atkObject);
}
atk_object_set_role(atkObject, ATK_ROLE_FILLER);
}
static AtkStateSet* webkitWebViewBaseAccessibleRefStateSet(AtkObject* atkObject)
{
WebKitWebViewBaseAccessible* accessible = WEBKIT_WEB_VIEW_BASE_ACCESSIBLE(atkObject);
AtkStateSet* stateSet;
if (accessible->priv->widget) {
// Use the implementation of AtkSocket if the widget is still alive.
stateSet = ATK_OBJECT_CLASS(webkit_web_view_base_accessible_parent_class)->ref_state_set(atkObject);
} else {
// If the widget is no longer alive, save some remote calls
// (because of AtkSocket's implementation of ref_state_set())
// and just return that this AtkObject is defunct.
stateSet = atk_state_set_new();
atk_state_set_add_state(stateSet, ATK_STATE_DEFUNCT);
}
return stateSet;
}
static gint webkitWebViewBaseAccessibleGetIndexInParent(AtkObject* atkObject)
{
AtkObject* atkParent = atk_object_get_parent(atkObject);
if (!atkParent)
return -1;
guint count = atk_object_get_n_accessible_children(atkParent);
for (guint i = 0; i < count; ++i) {
AtkObject* child = atk_object_ref_accessible_child(atkParent, i);
bool childIsObject = child == atkObject;
g_object_unref(child);
if (childIsObject)
return i;
}
return -1;
}
static void webkit_web_view_base_accessible_class_init(WebKitWebViewBaseAccessibleClass* klass)
{
// No need to implement get_n_children() and ref_child() here
// since this is a subclass of AtkSocket and all the logic related
// to those functions will be implemented by the ATK bridge.
AtkObjectClass* atkObjectClass = ATK_OBJECT_CLASS(klass);
atkObjectClass->initialize = webkitWebViewBaseAccessibleInitialize;
atkObjectClass->ref_state_set = webkitWebViewBaseAccessibleRefStateSet;
atkObjectClass->get_index_in_parent = webkitWebViewBaseAccessibleGetIndexInParent;
}
WebKitWebViewBaseAccessible* webkitWebViewBaseAccessibleNew(GtkWidget* widget)
{
AtkObject* object = ATK_OBJECT(g_object_new(WEBKIT_TYPE_WEB_VIEW_BASE_ACCESSIBLE, NULL));
atk_object_initialize(object, widget);
return WEBKIT_WEB_VIEW_BASE_ACCESSIBLE(object);
}
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