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authorAlejandro Piñeiro <[email protected]>2014-03-11 17:51:27 +0100
committerraveit65 <[email protected]>2017-11-27 10:13:51 +0100
commita7b2126e8cf9a082fa7f9190a840b638e0e872db (patch)
tree17c73f964bb78ee804c6fb0c491c6358f21ec9dc /libview/ev-page-accessible.c
parenta1014378dda895fe5d06c364a0f65817bf04101d (diff)
downloadatril-a7b2126e8cf9a082fa7f9190a840b638e0e872db.tar.bz2
atril-a7b2126e8cf9a082fa7f9190a840b638e0e872db.tar.xz
a11y: new EvPageAccessible
Basic skeleton for a new accessible class, that represents each individual page. https://bugzilla.gnome.org/show_bug.cgi?id=724965 origin commit: https://git.gnome.org/browse/evince/commit/?h=gnome-3-14&id=c489d3f
Diffstat (limited to 'libview/ev-page-accessible.c')
-rw-r--r--libview/ev-page-accessible.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/libview/ev-page-accessible.c b/libview/ev-page-accessible.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of atril, a mate document viewer
+ *
+ * Copyright (C) 2014 Igalia S.L.
+ *
+ * Atril 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.
+ *
+ * Atril 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.
+ *
+ * Author: Alejandro Piñeiro Iglesias <[email protected]>
+ */
+
+#include <config.h>
+
+#include "ev-page-accessible.h"
+
+struct _EvPageAccessiblePrivate {
+ EvViewAccessible *view_accessible;
+ gint page;
+};
+
+enum {
+ PROP_0,
+ PROP_VIEW_ACCESSIBLE,
+ PROP_PAGE,
+};
+
+
+G_DEFINE_TYPE (EvPageAccessible, ev_page_accessible, ATK_TYPE_OBJECT)
+
+gint
+ev_page_accessible_get_page (EvPageAccessible *page_accessible)
+{
+ g_return_val_if_fail (EV_IS_PAGE_ACCESSIBLE (page_accessible), -1);
+
+ return page_accessible->priv->page;
+}
+
+EvViewAccessible *
+ev_page_accessible_get_view_accessible (EvPageAccessible *page_accessible)
+{
+ g_return_val_if_fail (EV_IS_PAGE_ACCESSIBLE (page_accessible), NULL);
+
+ return page_accessible->priv->view_accessible;
+}
+
+static AtkObject *
+ev_page_accessible_get_parent (AtkObject *obj)
+{
+ EvPageAccessible *self;
+
+ g_return_val_if_fail (EV_IS_PAGE_ACCESSIBLE (obj), NULL);
+
+ self = EV_PAGE_ACCESSIBLE (obj);
+
+ return ATK_OBJECT (self->priv->view_accessible);
+}
+
+static void
+ev_page_accessible_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvPageAccessible *accessible = EV_PAGE_ACCESSIBLE (object);
+
+ switch (prop_id) {
+ case PROP_VIEW_ACCESSIBLE:
+ accessible->priv->view_accessible = EV_VIEW_ACCESSIBLE (g_value_get_object (value));
+ break;
+ case PROP_PAGE:
+ accessible->priv->page = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_page_accessible_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvPageAccessible *accessible = EV_PAGE_ACCESSIBLE (object);
+
+ switch (prop_id) {
+ case PROP_VIEW_ACCESSIBLE:
+ g_value_set_object (value, ev_page_accessible_get_view_accessible (accessible));
+ break;
+ case PROP_PAGE:
+ g_value_set_int (value, ev_page_accessible_get_page (accessible));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_page_accessible_class_init (EvPageAccessibleClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (EvPageAccessiblePrivate));
+
+ atk_class->get_parent = ev_page_accessible_get_parent;
+
+ g_object_class->get_property = ev_page_accessible_get_property;
+ g_object_class->set_property = ev_page_accessible_set_property;
+
+ g_object_class_install_property (g_object_class,
+ PROP_VIEW_ACCESSIBLE,
+ g_param_spec_object ("view-accessible",
+ "View Accessible",
+ "The view accessible associated to this page",
+ EV_TYPE_VIEW_ACCESSIBLE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (g_object_class,
+ PROP_PAGE,
+ g_param_spec_int ("page",
+ "Page",
+ "Page index this page represents",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+
+}
+
+static void
+ev_page_accessible_init (EvPageAccessible *page)
+{
+ atk_object_set_role (ATK_OBJECT (page), ATK_ROLE_PAGE);
+
+ page->priv = G_TYPE_INSTANCE_GET_PRIVATE (page, EV_TYPE_PAGE_ACCESSIBLE, EvPageAccessiblePrivate);
+}
+
+EvPageAccessible *
+ev_page_accessible_new (EvViewAccessible *view_accessible,
+ gint page)
+{
+ EvPageAccessible *atk_page;
+
+ g_return_val_if_fail (EV_IS_VIEW_ACCESSIBLE (view_accessible), NULL);
+ g_return_val_if_fail (page >= 0, NULL);
+
+ atk_page = g_object_new (EV_TYPE_PAGE_ACCESSIBLE,
+ "view-accessible", view_accessible,
+ "page", page,
+ NULL);
+
+ return EV_PAGE_ACCESSIBLE (atk_page);
+}