[evince/gnome-3-12] a11y: new EvPageAccessible

[Alejandro Piñeiro Iglesias <apinheiro src gnome org>]

commit 4aae082937e1216f1eba1b0c11b2b10abd2fc0dd
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Tue Mar 11 17:51:27 2014 +0100

    a11y: new EvPageAccessible
    
    Basic skeleton for a new accessible class, that represents
    each individual page.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724965

 libview/Makefile.am          |    2 +
 libview/ev-page-accessible.c |  166 ++++++++++++++++++++++++++++++++++++++++++
 libview/ev-page-accessible.h |   54 ++++++++++++++
 3 files changed, 222 insertions(+), 0 deletions(-)
---
diff --git a/libview/Makefile.am b/libview/Makefile.am
index a548477..8809a70 100644
--- a/libview/Makefile.am
+++ b/libview/Makefile.am
@@ -3,6 +3,7 @@ lib_LTLIBRARIES = libevview3.la
 NOINST_H_SRC_FILES =                   \
        ev-annotation-window.h          \
        ev-link-accessible.h            \
+       ev-page-accessible.h            \
        ev-page-cache.h                 \
        ev-pixbuf-cache.h               \
        ev-timeline.h                   \
@@ -36,6 +37,7 @@ libevview3_la_SOURCES =                       \
        ev-jobs.c                       \
        ev-job-scheduler.c              \
        ev-link-accessible.c            \
+       ev-page-accessible.c            \
        ev-page-cache.c                 \
        ev-pixbuf-cache.c               \
        ev-print-operation.c            \
diff --git a/libview/ev-page-accessible.c b/libview/ev-page-accessible.c
new file mode 100644
index 0000000..c4f4878
--- /dev/null
+++ b/libview/ev-page-accessible.c
@@ -0,0 +1,166 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2014 Igalia S.L.
+ *
+ * Evince 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.
+ *
+ * Evince 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 <apinheiro igalia com>
+ */
+
+#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);
+}
diff --git a/libview/ev-page-accessible.h b/libview/ev-page-accessible.h
new file mode 100644
index 0000000..f826ff7
--- /dev/null
+++ b/libview/ev-page-accessible.h
@@ -0,0 +1,54 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2014 Igalia S.L.
+ *
+ * Evince 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.
+ *
+ * Evince 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 <apinheiro igalia com>
+ */
+
+#ifndef __EV_PAGE_ACCESSIBLE_H__
+#define __EV_PAGE_ACCESSIBLE_H__
+
+#include <gtk/gtk-a11y.h>
+#include "ev-view-accessible.h"
+
+#define EV_TYPE_PAGE_ACCESSIBLE      (ev_page_accessible_get_type ())
+#define EV_PAGE_ACCESSIBLE(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PAGE_ACCESSIBLE, 
EvPageAccessible))
+#define EV_IS_PAGE_ACCESSIBLE(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PAGE_ACCESSIBLE))
+
+typedef struct _EvPageAccessible        EvPageAccessible;
+typedef struct _EvPageAccessibleClass   EvPageAccessibleClass;
+typedef struct _EvPageAccessiblePrivate EvPageAccessiblePrivate;
+
+struct _EvPageAccessible {
+        AtkObject parent;
+
+        EvPageAccessiblePrivate *priv;
+};
+
+struct _EvPageAccessibleClass {
+        AtkObjectClass parent_class;
+};
+
+GType             ev_page_accessible_get_type            (void) G_GNUC_CONST;
+EvPageAccessible *ev_page_accessible_new                 (EvViewAccessible *view_accessible,
+                                                         gint              page);
+gint              ev_page_accessible_get_page            (EvPageAccessible *page_accessible);
+EvViewAccessible *ev_page_accessible_get_view_accessible (EvPageAccessible *page_accessible);
+
+#endif  /* __EV_PAGE_ACCESSIBLE_H__ */
+