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207 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/* this file is part of lector, a cafe document viewer
*
* Copyright (C) 2014 Igalia
* Author: Joanmarie Diggs <jdiggs@igalia.com>
*
* Lector is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Lector 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include "ev-image-accessible.h"
#include "ev-view-private.h"
struct _EvImageAccessiblePrivate {
EvPageAccessible *page;
EvImage *image;
EvRectangle area;
};
static void ev_image_accessible_component_iface_init (AtkComponentIface *iface);
static void ev_image_accessible_image_iface_init (AtkImageIface *iface);
G_DEFINE_TYPE_WITH_CODE (EvImageAccessible, ev_image_accessible, ATK_TYPE_OBJECT,<--- There is an unknown macro here somewhere. Configuration is required. If G_DEFINE_TYPE_WITH_CODE is a macro then please configure it.
G_ADD_PRIVATE (EvImageAccessible)
G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, ev_image_accessible_component_iface_init)
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, ev_image_accessible_image_iface_init))
static void
ev_image_accessible_get_atk_rect (AtkObject *atk_object,
AtkCoordType coord_type,
EvRectangle *atk_rect)
{
EvImageAccessible *image;
EvViewAccessible *view_accessible;
gint page;
image = EV_IMAGE_ACCESSIBLE (atk_object);
view_accessible = ev_page_accessible_get_view_accessible (image->priv->page);
page = ev_page_accessible_get_page (image->priv->page);
_transform_doc_rect_to_atk_rect (view_accessible, page, &image->priv->area, atk_rect, coord_type);
}
static void
ev_image_accessible_get_extents (AtkComponent *atk_component,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coord_type)
{
EvRectangle atk_rect;
ev_image_accessible_get_atk_rect (ATK_OBJECT (atk_component), coord_type, &atk_rect);
*x = atk_rect.x1;
*y = atk_rect.y1;
*width = atk_rect.x2 - atk_rect.x1;
*height = atk_rect.y2 - atk_rect.y1;
}
static void
ev_image_accessible_component_iface_init (AtkComponentIface *iface)
{
iface->get_extents = ev_image_accessible_get_extents;
}
static const gchar *
ev_image_accessible_get_image_description (AtkImage *image)
{
/* This will be obtainable for tagged PDFs */
return NULL;
}
static const gchar *
ev_image_accessible_get_image_locale (AtkImage *atk_image)
{
/* This will be obtainable for tagged PDFs */
return NULL;
}
static void
ev_image_accessible_get_image_size (AtkImage *atk_image,
int *width,
int *height)
{
EvRectangle atk_rect;
ev_image_accessible_get_atk_rect (ATK_OBJECT (atk_image), ATK_XY_WINDOW, &atk_rect);
*width = atk_rect.x2 - atk_rect.x1;
*height = atk_rect.y2 - atk_rect.y1;
}
static void
ev_image_accessible_get_image_position (AtkImage *atk_image,
gint *x,
gint *y,
AtkCoordType coord_type)
{
EvRectangle atk_rect;
ev_image_accessible_get_atk_rect (ATK_OBJECT (atk_image), ATK_XY_WINDOW, &atk_rect);
*x = atk_rect.x1;
*y = atk_rect.y1;
}
static AtkStateSet *
ev_image_accessible_ref_state_set (AtkObject *atk_object)
{
AtkStateSet *state_set;
AtkStateSet *copy_set;
AtkStateSet *page_accessible_state_set;
EvImageAccessible *self;
EvViewAccessible *view_accessible;
gint page;
self = EV_IMAGE_ACCESSIBLE (atk_object);
state_set = ATK_OBJECT_CLASS (ev_image_accessible_parent_class)->ref_state_set (atk_object);
atk_state_set_clear_states (state_set);
page_accessible_state_set = atk_object_ref_state_set (ATK_OBJECT (self->priv->page));
copy_set = atk_state_set_or_sets (state_set, page_accessible_state_set);
atk_state_set_remove_state (copy_set, ATK_STATE_FOCUSABLE);
atk_state_set_remove_state (copy_set, ATK_STATE_FOCUSED);
view_accessible = ev_page_accessible_get_view_accessible (self->priv->page);
page = ev_page_accessible_get_page (self->priv->page);
if (!ev_view_accessible_is_doc_rect_showing (view_accessible, page, &self->priv->area))
atk_state_set_remove_state (copy_set, ATK_STATE_SHOWING);
g_object_unref (state_set);
g_object_unref (page_accessible_state_set);
return copy_set;
}
static AtkObject *
ev_image_accessible_get_parent (AtkObject *atk_object)
{
EvImageAccessiblePrivate *priv = EV_IMAGE_ACCESSIBLE (atk_object)->priv;
return ATK_OBJECT (priv->page);
}
static void
ev_image_accessible_finalize (GObject *object)
{
EvImageAccessiblePrivate *priv = EV_IMAGE_ACCESSIBLE (object)->priv;
g_object_unref (priv->image);
G_OBJECT_CLASS (ev_image_accessible_parent_class)->finalize (object);
}
static void
ev_image_accessible_class_init (EvImageAccessibleClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
object_class->finalize = ev_image_accessible_finalize;
atk_class->get_parent = ev_image_accessible_get_parent;
atk_class->ref_state_set = ev_image_accessible_ref_state_set;
}
static void
ev_image_accessible_init (EvImageAccessible *image)
{
atk_object_set_role (ATK_OBJECT (image), ATK_ROLE_IMAGE);
image->priv = ev_image_accessible_get_instance_private (image);
}
static void
ev_image_accessible_image_iface_init (AtkImageIface *iface)
{
iface->get_image_description = ev_image_accessible_get_image_description;
iface->get_image_locale = ev_image_accessible_get_image_locale;
iface->get_image_position = ev_image_accessible_get_image_position;
iface->get_image_size = ev_image_accessible_get_image_size;
}
EvImageAccessible *
ev_image_accessible_new (EvPageAccessible *page,
EvImage *image,
EvRectangle *area)
{
EvImageAccessible *atk_image;
atk_image = g_object_new (EV_TYPE_IMAGE_ACCESSIBLE, NULL);
atk_image->priv->page = page;
atk_image->priv->image = g_object_ref (image);
atk_image->priv->area = *area;
return EV_IMAGE_ACCESSIBLE (atk_image);
}
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