1 files changed, 192 insertions, 0 deletions
diff --git a/plugins/a11y-settings/msd-a11y-settings-manager.c b/plugins/a11y-settings/msd-a11y-settings-manager.c
new file mode 100644
index 0000000..45469be
--- /dev/null
+++ b/plugins/a11y-settings/msd-a11y-settings-manager.c
@@ -0,0 +1,192 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <[email protected]>
+ *
+ * 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 <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "mate-settings-profile.h"
+#include "msd-a11y-settings-manager.h"
+
+#define MSD_A11Y_SETTINGS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_A11Y_SETTINGS_MANAGER, MsdA11ySettingsManagerPrivate))
+
+struct MsdA11ySettingsManagerPrivate
+{
+ GSettings *interface_settings;
+ GSettings *a11y_apps_settings;
+};
+
+enum {
+ PROP_0,
+};
+
+static void msd_a11y_settings_manager_class_init (MsdA11ySettingsManagerClass *klass);
+static void msd_a11y_settings_manager_init (MsdA11ySettingsManager *a11y_settings_manager);
+static void msd_a11y_settings_manager_finalize (GObject *object);
+
+G_DEFINE_TYPE (MsdA11ySettingsManager, msd_a11y_settings_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+static void
+apps_settings_changed (GSettings *settings,
+ 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.mate.applications-at");
+
+ 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;
+
+ g_type_class_add_private (klass, sizeof (MsdA11ySettingsManagerPrivate));
+}
+
+static void
+msd_a11y_settings_manager_init (MsdA11ySettingsManager *manager)
+{
+ manager->priv = MSD_A11Y_SETTINGS_MANAGER_GET_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);
+}