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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
* Copyright (C) 2012-2021 MATE Developers
*
* This program 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.
*
* This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "config.h"
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <locale.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include "mate-settings-profile.h"
#include "msd-a11y-settings-manager.h"
struct MsdA11ySettingsManagerPrivate
{
GSettings *interface_settings;
GSettings *a11y_apps_settings;
};
enum {
PROP_0,
};
static void msd_a11y_settings_manager_finalize (GObject *object);
G_DEFINE_TYPE_WITH_PRIVATE (MsdA11ySettingsManager, msd_a11y_settings_manager, G_TYPE_OBJECT)
static gpointer manager_object = NULL;
static void
apps_settings_changed (GSettings *settings G_GNUC_UNUSED,
const char *key,
MsdA11ySettingsManager *manager)
{
gboolean screen_reader, keyboard;
if (g_str_equal (key, "screen-reader-enabled") == FALSE &&
g_str_equal (key, "screen-keyboard-enabled") == FALSE)
return;
g_debug ("screen reader or OSK enablement changed");
screen_reader = g_settings_get_boolean (manager->priv->a11y_apps_settings, "screen-reader-enabled");
keyboard = g_settings_get_boolean (manager->priv->a11y_apps_settings, "screen-keyboard-enabled");
if (screen_reader || keyboard) {
g_debug ("Enabling accessibility, screen reader or OSK enabled");
g_settings_set_boolean (manager->priv->interface_settings, "accessibility", TRUE);
} else if (screen_reader == FALSE && keyboard == FALSE) {
g_debug ("Disabling accessibility, screen reader and OSK disabled");
g_settings_set_boolean (manager->priv->interface_settings, "accessibility", FALSE);
}
}
gboolean
msd_a11y_settings_manager_start (MsdA11ySettingsManager *manager,
GError **error)
{
g_debug ("Starting a11y_settings manager");
mate_settings_profile_start (NULL);
manager->priv->interface_settings = g_settings_new ("org.mate.interface");
manager->priv->a11y_apps_settings = g_settings_new ("org.gnome.desktop.a11y.applications");
g_signal_connect (G_OBJECT (manager->priv->a11y_apps_settings), "changed",
G_CALLBACK (apps_settings_changed), manager);
/* If any of the screen reader or on-screen keyboard are enabled,
* make sure a11y is enabled for the toolkits.
* We don't do the same thing for the reverse so it's possible to
* enable AT-SPI for the toolkits without using an a11y app */
if (g_settings_get_boolean (manager->priv->a11y_apps_settings, "screen-keyboard-enabled") ||
g_settings_get_boolean (manager->priv->a11y_apps_settings, "screen-reader-enabled"))
g_settings_set_boolean (manager->priv->interface_settings, "accessibility", TRUE);
mate_settings_profile_end (NULL);
return TRUE;
}
void
msd_a11y_settings_manager_stop (MsdA11ySettingsManager *manager)
{
if (manager->priv->interface_settings) {
g_object_unref (manager->priv->interface_settings);
manager->priv->interface_settings = NULL;
}
if (manager->priv->a11y_apps_settings) {
g_object_unref (manager->priv->a11y_apps_settings);
manager->priv->a11y_apps_settings = NULL;
}
g_debug ("Stopping a11y_settings manager");
}
static GObject *
msd_a11y_settings_manager_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
MsdA11ySettingsManager *a11y_settings_manager;
a11y_settings_manager = MSD_A11Y_SETTINGS_MANAGER (G_OBJECT_CLASS (msd_a11y_settings_manager_parent_class)->constructor (type,
n_construct_properties,
construct_properties));
return G_OBJECT (a11y_settings_manager);
}
static void
msd_a11y_settings_manager_dispose (GObject *object)
{
G_OBJECT_CLASS (msd_a11y_settings_manager_parent_class)->dispose (object);
}
static void
msd_a11y_settings_manager_class_init (MsdA11ySettingsManagerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructor = msd_a11y_settings_manager_constructor;
object_class->dispose = msd_a11y_settings_manager_dispose;
object_class->finalize = msd_a11y_settings_manager_finalize;
}
static void
msd_a11y_settings_manager_init (MsdA11ySettingsManager *manager)
{
manager->priv = msd_a11y_settings_manager_get_instance_private (manager);
}
static void
msd_a11y_settings_manager_finalize (GObject *object)
{
MsdA11ySettingsManager *a11y_settings_manager;
g_return_if_fail (object != NULL);
g_return_if_fail (MSD_IS_A11Y_SETTINGS_MANAGER (object));
a11y_settings_manager = MSD_A11Y_SETTINGS_MANAGER (object);
g_return_if_fail (a11y_settings_manager->priv != NULL);
G_OBJECT_CLASS (msd_a11y_settings_manager_parent_class)->finalize (object);
}
MsdA11ySettingsManager *
msd_a11y_settings_manager_new (void)
{
if (manager_object != NULL) {
g_object_ref (manager_object);
} else {
manager_object = g_object_new (MSD_TYPE_A11Y_SETTINGS_MANAGER, NULL);
g_object_add_weak_pointer (manager_object,
(gpointer *) &manager_object);
}
return MSD_A11Y_SETTINGS_MANAGER (manager_object);
}
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