Merge pull request #3 from haxar/master

gsd to msd complete rename patch by NiceandGently

1 files changed, 1347 insertions, 0 deletions

diff --git a/plugins/a11y-keyboard/msd-a11y-keyboard-manager.c b/plugins/a11y-keyboard/msd-a11y-keyboard-manager.c
new file mode 100644
index 0000000..7505b14
--- /dev/null
+++ b/plugins/a11y-keyboard/msd-a11y-keyboard-manager.c
@@ -0,0 +1,1347 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright © 2001 Ximian, Inc.
+ * 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 <mateconf/mateconf-client.h>
+
+#include <X11/XKBlib.h>
+#include <X11/extensions/XKBstr.h>
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/XIproto.h>
+#endif
+
+#ifdef HAVE_LIBMATENOTIFY
+#include <libmatenotify/notify.h>
+#endif /* HAVE_LIBMATENOTIFY */
+
+#include "mate-settings-profile.h"
+#include "msd-a11y-keyboard-manager.h"
+#include "msd-a11y-preferences-dialog.h"
+
+#define CONFIG_ROOT "/desktop/mate/accessibility/keyboard"
+#define NOTIFICATION_TIMEOUT 30
+
+#define MSD_A11Y_KEYBOARD_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_A11Y_KEYBOARD_MANAGER, MsdA11yKeyboardManagerPrivate))
+
+struct MsdA11yKeyboardManagerPrivate
+{
+        int        xkbEventBase;
+        gboolean   stickykeys_shortcut_val;
+        gboolean   slowkeys_shortcut_val;
+        GtkWidget *stickykeys_alert;
+        GtkWidget *slowkeys_alert;
+        GtkWidget *preferences_dialog;
+        GtkStatusIcon *status_icon;
+        XkbDescRec *original_xkb_desc;
+
+        guint      mateconf_notify;
+
+#ifdef HAVE_LIBMATENOTIFY
+        NotifyNotification *notification;
+#endif /* HAVE_LIBMATENOTIFY */
+};
+
+static void     msd_a11y_keyboard_manager_class_init  (MsdA11yKeyboardManagerClass *klass);
+static void     msd_a11y_keyboard_manager_init        (MsdA11yKeyboardManager      *a11y_keyboard_manager);
+static void     msd_a11y_keyboard_manager_finalize    (GObject             *object);
+static void     msd_a11y_keyboard_manager_ensure_status_icon (MsdA11yKeyboardManager *manager);
+static void     set_server_from_mateconf (MsdA11yKeyboardManager *manager,
+				       MateConfClient            *client);
+
+G_DEFINE_TYPE (MsdA11yKeyboardManager, msd_a11y_keyboard_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+#undef DEBUG_ACCESSIBILITY
+#ifdef DEBUG_ACCESSIBILITY
+#define d(str)          g_debug (str)
+#else
+#define d(str)          do { } while (0)
+#endif
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static GdkFilterReturn
+devicepresence_filter (GdkXEvent *xevent,
+                       GdkEvent  *event,
+                       gpointer   data)
+{
+        XEvent *xev = (XEvent *) xevent;
+        XEventClass class_presence;
+        int xi_presence;
+
+        DevicePresence (gdk_x11_get_default_xdisplay (), xi_presence, class_presence);
+
+        if (xev->type == xi_presence)
+        {
+            XDevicePresenceNotifyEvent *dpn = (XDevicePresenceNotifyEvent *) xev;
+            if (dpn->devchange == DeviceEnabled) {
+                MateConfClient *client;
+		client = mateconf_client_get_default ();
+		set_server_from_mateconf (data, client);
+                g_object_unref (client);
+	    }
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static gboolean
+supports_xinput_devices (void)
+{
+        gint op_code, event, error;
+
+        return XQueryExtension (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                                "XInputExtension",
+                                &op_code,
+                                &event,
+                                &error);
+}
+
+static void
+set_devicepresence_handler (MsdA11yKeyboardManager *manager)
+{
+        Display *display;
+        XEventClass class_presence;
+        int xi_presence;
+
+        if (!supports_xinput_devices ())
+                return;
+
+        display = gdk_x11_get_default_xdisplay ();
+
+        gdk_error_trap_push ();
+        DevicePresence (display, xi_presence, class_presence);
+        /* FIXME:
+         * Note that this might overwrite other events, see:
+         * https://bugzilla.gnome.org/show_bug.cgi?id=610245#c2
+         **/
+        XSelectExtensionEvent (display,
+                               RootWindow (display, DefaultScreen (display)),
+                               &class_presence, 1);
+
+        gdk_flush ();
+        if (!gdk_error_trap_pop ())
+                gdk_window_add_filter (NULL, devicepresence_filter, manager);
+}
+#endif
+
+static gboolean
+xkb_enabled (MsdA11yKeyboardManager *manager)
+{
+        gboolean have_xkb;
+        int opcode, errorBase, major, minor;
+
+        have_xkb = XkbQueryExtension (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                                      &opcode,
+                                      &manager->priv->xkbEventBase,
+                                      &errorBase,
+                                      &major,
+                                      &minor)
+                && XkbUseExtension (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &major, &minor);
+
+        return have_xkb;
+}
+
+static XkbDescRec *
+get_xkb_desc_rec (MsdA11yKeyboardManager *manager)
+{
+        XkbDescRec *desc;
+        Status      status = Success;
+
+        gdk_error_trap_push ();
+        desc = XkbGetMap (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), XkbAllMapComponentsMask, XkbUseCoreKbd);
+        if (desc != NULL) {
+                desc->ctrls = NULL;
+                status = XkbGetControls (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), XkbAllControlsMask, desc);
+        }
+        gdk_error_trap_pop ();
+
+        g_return_val_if_fail (desc != NULL, NULL);
+        g_return_val_if_fail (desc->ctrls != NULL, NULL);
+        g_return_val_if_fail (status == Success, NULL);
+
+        return desc;
+}
+
+static int
+get_int (MateConfClient *client,
+         char const  *key)
+{
+        int res = mateconf_client_get_int  (client, key, NULL);
+        if (res <= 0) {
+                res = 1;
+        }
+        return res;
+}
+
+static gboolean
+set_int (MateConfClient    *client,
+         MateConfChangeSet *cs,
+         char const     *key,
+         int             val)
+{
+        mateconf_change_set_set_int (cs, key, val);
+#ifdef DEBUG_ACCESSIBILITY
+        if (val != mateconf_client_get_int (client, key, NULL)) {
+                g_warning ("%s changed", key);
+        }
+#endif
+        return val != mateconf_client_get_int (client, key, NULL);
+}
+
+static gboolean
+set_bool (MateConfClient    *client,
+          MateConfChangeSet *cs,
+          char const     *key,
+          int             val)
+{
+        gboolean bval = (val != 0);
+
+        mateconf_change_set_set_bool (cs, key, bval ? TRUE : FALSE);
+#ifdef DEBUG_ACCESSIBILITY
+                if (bval != mateconf_client_get_bool (client, key, NULL)) {
+                        d ("%s changed", key);
+                        return TRUE;
+                }
+#endif
+        return (bval != mateconf_client_get_bool (client, key, NULL));
+}
+
+static unsigned long
+set_clear (gboolean      flag,
+           unsigned long value,
+           unsigned long mask)
+{
+        if (flag) {
+                return value | mask;
+        }
+        return value & ~mask;
+}
+
+static gboolean
+set_ctrl_from_mateconf (XkbDescRec   *desc,
+                     MateConfClient  *client,
+                     char const   *key,
+                     unsigned long mask)
+{
+        gboolean result = mateconf_client_get_bool (client, key, NULL);
+        desc->ctrls->enabled_ctrls = set_clear (result, desc->ctrls->enabled_ctrls, mask);
+        return result;
+}
+
+static void
+set_server_from_mateconf (MsdA11yKeyboardManager *manager,
+                       MateConfClient            *client)
+{
+        XkbDescRec      *desc;
+        gboolean         enable_accessX;
+
+        mate_settings_profile_start (NULL);
+
+        desc = get_xkb_desc_rec (manager);
+        if (!desc) {
+                return;
+        }
+
+        /* general */
+        enable_accessX = mateconf_client_get_bool (client, CONFIG_ROOT "/enable", NULL);
+
+        desc->ctrls->enabled_ctrls = set_clear (enable_accessX,
+                                                desc->ctrls->enabled_ctrls,
+                                                XkbAccessXKeysMask);
+
+        if (set_ctrl_from_mateconf (desc, client, CONFIG_ROOT "/timeout_enable",
+                                 XkbAccessXTimeoutMask)) {
+                desc->ctrls->ax_timeout = get_int (client,
+                                                   CONFIG_ROOT "/timeout");
+                /* disable only the master flag via the server we will disable
+                 * the rest on the rebound without affecting mateconf state
+                 * don't change the option flags at all.
+                 */
+                desc->ctrls->axt_ctrls_mask = XkbAccessXKeysMask | XkbAccessXFeedbackMask;
+                desc->ctrls->axt_ctrls_values = 0;
+                desc->ctrls->axt_opts_mask = 0;
+        }
+
+        desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/feature_state_change_beep", NULL),
+                                             desc->ctrls->ax_options,
+                                             XkbAccessXFeedbackMask | XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask);
+
+        /* bounce keys */
+        if (set_ctrl_from_mateconf (desc,
+                                 client,
+                                 CONFIG_ROOT "/bouncekeys_enable",
+                                 XkbBounceKeysMask)) {
+                desc->ctrls->debounce_delay  = get_int (client,
+                                                        CONFIG_ROOT "/bouncekeys_delay");
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/bouncekeys_beep_reject", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_BKRejectFBMask);
+        }
+
+        /* mouse keys */
+        if (set_ctrl_from_mateconf (desc,
+                                 client,
+                                 CONFIG_ROOT "/mousekeys_enable",
+                                 XkbMouseKeysMask | XkbMouseKeysAccelMask)) {
+                desc->ctrls->mk_interval     = 100;     /* msec between mousekey events */
+                desc->ctrls->mk_curve        = 50;
+
+                /* We store pixels / sec, XKB wants pixels / event */
+                desc->ctrls->mk_max_speed    = get_int (client,
+                        CONFIG_ROOT "/mousekeys_max_speed") / (1000 / desc->ctrls->mk_interval);
+                if (desc->ctrls->mk_max_speed <= 0)
+                        desc->ctrls->mk_max_speed = 1;
+
+                desc->ctrls->mk_time_to_max = get_int (client, /* events before max */
+                                                       CONFIG_ROOT "/mousekeys_accel_time") / desc->ctrls->mk_interval;
+                if (desc->ctrls->mk_time_to_max <= 0)
+                        desc->ctrls->mk_time_to_max = 1;
+
+                desc->ctrls->mk_delay = get_int (client, /* ms before 1st event */
+                                                 CONFIG_ROOT "/mousekeys_init_delay");
+        }
+
+        /* slow keys */
+        if (set_ctrl_from_mateconf (desc,
+                                 client,
+                                 CONFIG_ROOT "/slowkeys_enable",
+                                 XkbSlowKeysMask)) {
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_press", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_SKPressFBMask);
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_accept", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_SKAcceptFBMask);
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_reject", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_SKRejectFBMask);
+                desc->ctrls->slow_keys_delay = get_int (client,
+                                                        CONFIG_ROOT "/slowkeys_delay");
+                /* anything larger than 500 seems to loose all keyboard input */
+                if (desc->ctrls->slow_keys_delay > 500)
+                        desc->ctrls->slow_keys_delay = 500;
+        }
+
+        /* sticky keys */
+        if (set_ctrl_from_mateconf (desc,
+                                 client,
+                                 CONFIG_ROOT "/stickykeys_enable",
+                                 XkbStickyKeysMask)) {
+                desc->ctrls->ax_options |= XkbAX_LatchToLockMask;
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/stickykeys_two_key_off", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_TwoKeysMask);
+                desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/stickykeys_modifier_beep", NULL),
+                                                     desc->ctrls->ax_options,
+                                                     XkbAccessXFeedbackMask | XkbAX_StickyKeysFBMask);
+        }
+
+        /* toggle keys */
+        desc->ctrls->ax_options = set_clear (mateconf_client_get_bool (client, CONFIG_ROOT "/togglekeys_enable", NULL),
+                                             desc->ctrls->ax_options,
+                                             XkbAccessXFeedbackMask | XkbAX_IndicatorFBMask);
+
+        /*
+        g_debug ("CHANGE to : 0x%x", desc->ctrls->enabled_ctrls);
+        g_debug ("CHANGE to : 0x%x (2)", desc->ctrls->ax_options);
+        */
+
+        gdk_error_trap_push ();
+        XkbSetControls (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                        XkbSlowKeysMask         |
+                        XkbBounceKeysMask       |
+                        XkbStickyKeysMask       |
+                        XkbMouseKeysMask        |
+                        XkbMouseKeysAccelMask   |
+                        XkbAccessXKeysMask      |
+                        XkbAccessXTimeoutMask   |
+                        XkbAccessXFeedbackMask  |
+                        XkbControlsEnabledMask,
+                        desc);
+
+        XkbFreeKeyboard (desc, XkbAllComponentsMask, True);
+
+        XSync (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), FALSE);
+        gdk_error_trap_pop ();
+
+        mate_settings_profile_end (NULL);
+}
+
+static gboolean
+ax_response_callback (MsdA11yKeyboardManager *manager,
+                      GtkWindow              *parent,
+                      gint                    response_id,
+                      guint                   revert_controls_mask,
+                      gboolean                enabled)
+{
+        MateConfClient *client;
+        GdkScreen *screen;
+        GError *err;
+
+        switch (response_id) {
+        case GTK_RESPONSE_DELETE_EVENT:
+        case GTK_RESPONSE_REJECT:
+        case GTK_RESPONSE_CANCEL:
+
+                client = mateconf_client_get_default ();
+
+                /* we're reverting, so we invert sense of 'enabled' flag */
+                d ("cancelling AccessX request");
+                if (revert_controls_mask == XkbStickyKeysMask) {
+                        mateconf_client_set_bool (client,
+                                               CONFIG_ROOT "/stickykeys_enable",
+                                               !enabled,
+                                               NULL);
+                }
+                else if (revert_controls_mask == XkbSlowKeysMask) {
+                        mateconf_client_set_bool (client,
+                                               CONFIG_ROOT "/slowkeys_enable",
+                                               !enabled,
+                                               NULL);
+                }
+                mateconf_client_suggest_sync (client, NULL);
+                set_server_from_mateconf (manager, client);
+
+                g_object_unref (client);
+
+                break;
+
+        case GTK_RESPONSE_HELP:
+                if (!parent)
+                        screen = gdk_screen_get_default ();
+                else
+                        screen = gtk_widget_get_screen (GTK_WIDGET (parent));
+
+                err = NULL;
+                if (!gtk_show_uri (screen,
+                                   "ghelp:user-guide#goscustaccess-6",
+                                   gtk_get_current_event_time(),
+                                   &err)) {
+                        GtkWidget *error_dialog = gtk_message_dialog_new (parent,
+                                                                          0,
+                                                                          GTK_MESSAGE_ERROR,
+                                                                          GTK_BUTTONS_CLOSE,
+                                                                          _("There was an error displaying help: %s"),
+                                                                          err->message);
+                        g_signal_connect (error_dialog, "response",
+                                          G_CALLBACK (gtk_widget_destroy), NULL);
+                        gtk_window_set_resizable (GTK_WINDOW (error_dialog), FALSE);
+                        gtk_widget_show (error_dialog);
+                        g_error_free (err);
+                }
+                return FALSE;
+        default:
+                break;
+        }
+        return TRUE;
+}
+
+static void
+ax_stickykeys_response (GtkDialog              *dialog,
+                        gint                    response_id,
+                        MsdA11yKeyboardManager *manager)
+{
+        if (ax_response_callback (manager, GTK_WINDOW (dialog),
+                                  response_id, XkbStickyKeysMask,
+                                  manager->priv->stickykeys_shortcut_val)) {
+                gtk_widget_destroy (GTK_WIDGET (dialog));
+        }
+}
+
+static void
+ax_slowkeys_response (GtkDialog              *dialog,
+                      gint                    response_id,
+                      MsdA11yKeyboardManager *manager)
+{
+        if (ax_response_callback (manager, GTK_WINDOW (dialog),
+                                  response_id, XkbSlowKeysMask,
+                                  manager->priv->slowkeys_shortcut_val)) {
+                gtk_widget_destroy (GTK_WIDGET (dialog));
+        }
+}
+
+static void
+maybe_show_status_icon (MsdA11yKeyboardManager *manager)
+{
+        gboolean     show;
+        MateConfClient *client;
+
+        /* for now, show if accessx is enabled */
+        client = mateconf_client_get_default ();
+        show = mateconf_client_get_bool (client, CONFIG_ROOT "/enable", NULL);
+        g_object_unref (client);
+
+        if (!show && manager->priv->status_icon == NULL)
+                return;
+
+        msd_a11y_keyboard_manager_ensure_status_icon (manager);
+        gtk_status_icon_set_visible (manager->priv->status_icon, show);
+}
+
+#ifdef HAVE_LIBMATENOTIFY
+static void
+on_notification_closed (NotifyNotification     *notification,
+                        MsdA11yKeyboardManager *manager)
+{
+        g_object_unref (manager->priv->notification);
+        manager->priv->notification = NULL;
+}
+
+static void
+on_slow_keys_action (NotifyNotification     *notification,
+                     const char             *action,
+                     MsdA11yKeyboardManager *manager)
+{
+        gboolean res;
+        int      response_id;
+
+        g_assert (action != NULL);
+
+        if (strcmp (action, "accept") == 0) {
+                response_id = GTK_RESPONSE_ACCEPT;
+        } else if (strcmp (action, "reject") == 0) {
+                response_id = GTK_RESPONSE_REJECT;
+        } else {
+                return;
+        }
+
+        res = ax_response_callback (manager, NULL,
+                                    response_id, XkbSlowKeysMask,
+                                    manager->priv->slowkeys_shortcut_val);
+        if (res) {
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+}
+
+static void
+on_sticky_keys_action (NotifyNotification     *notification,
+                       const char             *action,
+                       MsdA11yKeyboardManager *manager)
+{
+        gboolean res;
+        int      response_id;
+
+        g_assert (action != NULL);
+
+        if (strcmp (action, "accept") == 0) {
+                response_id = GTK_RESPONSE_ACCEPT;
+        } else if (strcmp (action, "reject") == 0) {
+                response_id = GTK_RESPONSE_REJECT;
+        } else {
+                return;
+        }
+
+        res = ax_response_callback (manager, NULL,
+                                    response_id, XkbStickyKeysMask,
+                                    manager->priv->stickykeys_shortcut_val);
+        if (res) {
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+}
+
+#endif /* HAVE_LIBMATENOTIFY */
+
+static gboolean
+ax_slowkeys_warning_post_bubble (MsdA11yKeyboardManager *manager,
+                                 gboolean                enabled)
+{
+#ifdef HAVE_LIBMATENOTIFY
+        gboolean    res;
+        const char *title;
+        const char *message;
+        GError     *error;
+
+        title = enabled ?
+                _("Do you want to activate Slow Keys?") :
+                _("Do you want to deactivate Slow Keys?");
+        message = _("You just held down the Shift key for 8 seconds.  This is the shortcut "
+                    "for the Slow Keys feature, which affects the way your keyboard works.");
+
+        if (manager->priv->status_icon == NULL || ! gtk_status_icon_is_embedded (manager->priv->status_icon)) {
+                return FALSE;
+        }
+
+        if (manager->priv->slowkeys_alert != NULL) {
+                gtk_widget_destroy (manager->priv->slowkeys_alert);
+        }
+
+        if (manager->priv->notification != NULL) {
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+
+        msd_a11y_keyboard_manager_ensure_status_icon (manager);
+        manager->priv->notification = notify_notification_new (title,
+                                                               message,
+                                                               "preferences-desktop-accessibility",
+                                                               NULL);
+        notify_notification_attach_to_status_icon (manager->priv->notification, manager->priv->status_icon);
+        notify_notification_set_timeout (manager->priv->notification, NOTIFICATION_TIMEOUT * 1000);
+
+        notify_notification_add_action (manager->priv->notification,
+                                        "reject",
+                                        enabled ? _("Don't activate") : _("Don't deactivate"),
+                                        (NotifyActionCallback) on_slow_keys_action,
+                                        manager,
+                                        NULL);
+        notify_notification_add_action (manager->priv->notification,
+                                        "accept",
+                                        enabled ? _("Activate") : _("Deactivate"),
+                                        (NotifyActionCallback) on_slow_keys_action,
+                                        manager,
+                                        NULL);
+
+        g_signal_connect (manager->priv->notification,
+                          "closed",
+                          G_CALLBACK (on_notification_closed),
+                          manager);
+
+        error = NULL;
+        res = notify_notification_show (manager->priv->notification, &error);
+        if (! res) {
+                g_warning ("MsdA11yKeyboardManager: unable to show notification: %s", error->message);
+                g_error_free (error);
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+
+        return res;
+#else
+        return FALSE;
+#endif /* HAVE_LIBMATENOTIFY */
+}
+
+
+static void
+ax_slowkeys_warning_post_dialog (MsdA11yKeyboardManager *manager,
+                                 gboolean                enabled)
+{
+        const char *title;
+        const char *message;
+
+        title = enabled ?
+                _("Do you want to activate Slow Keys?") :
+                _("Do you want to deactivate Slow Keys?");
+        message = _("You just held down the Shift key for 8 seconds.  This is the shortcut "
+                    "for the Slow Keys feature, which affects the way your keyboard works.");
+
+        if (manager->priv->slowkeys_alert != NULL) {
+                gtk_widget_show (manager->priv->slowkeys_alert);
+                return;
+        }
+
+        manager->priv->slowkeys_alert = gtk_message_dialog_new (NULL,
+                                                                0,
+                                                                GTK_MESSAGE_WARNING,
+                                                                GTK_BUTTONS_NONE,
+                                                                "%s", title);
+
+        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (manager->priv->slowkeys_alert),
+                                                  "%s", message);
+
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->slowkeys_alert),
+                               GTK_STOCK_HELP,
+                               GTK_RESPONSE_HELP);
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->slowkeys_alert),
+                               enabled ? _("Do_n't activate") : _("Do_n't deactivate"),
+                               GTK_RESPONSE_REJECT);
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->slowkeys_alert),
+                               enabled ? _("_Activate") : _("_Deactivate"),
+                               GTK_RESPONSE_ACCEPT);
+
+        gtk_window_set_title (GTK_WINDOW (manager->priv->slowkeys_alert),
+                              _("Slow Keys Alert"));
+        gtk_window_set_icon_name (GTK_WINDOW (manager->priv->slowkeys_alert),
+                                  "input-keyboard");
+        gtk_dialog_set_default_response (GTK_DIALOG (manager->priv->slowkeys_alert),
+                                         GTK_RESPONSE_ACCEPT);
+
+        g_signal_connect (manager->priv->slowkeys_alert,
+                          "response",
+                          G_CALLBACK (ax_slowkeys_response),
+                          manager);
+        gtk_widget_show (manager->priv->slowkeys_alert);
+
+        g_object_add_weak_pointer (G_OBJECT (manager->priv->slowkeys_alert),
+                                   (gpointer*) &manager->priv->slowkeys_alert);
+}
+
+static void
+ax_slowkeys_warning_post (MsdA11yKeyboardManager *manager,
+                          gboolean                enabled)
+{
+
+        manager->priv->slowkeys_shortcut_val = enabled;
+
+        /* alway try to show something */
+        if (! ax_slowkeys_warning_post_bubble (manager, enabled)) {
+                ax_slowkeys_warning_post_dialog (manager, enabled);
+        }
+}
+
+static gboolean
+ax_stickykeys_warning_post_bubble (MsdA11yKeyboardManager *manager,
+                                   gboolean                enabled)
+{
+#ifdef HAVE_LIBMATENOTIFY
+        gboolean    res;
+        const char *title;
+        const char *message;
+        GError     *error;
+
+        title = enabled ?
+                _("Do you want to activate Sticky Keys?") :
+                _("Do you want to deactivate Sticky Keys?");
+        message = enabled ?
+                _("You just pressed the Shift key 5 times in a row.  This is the shortcut "
+                  "for the Sticky Keys feature, which affects the way your keyboard works.") :
+                _("You just pressed two keys at once, or pressed the Shift key 5 times in a row.  "
+                  "This turns off the Sticky Keys feature, which affects the way your keyboard works.");
+
+        if (manager->priv->status_icon == NULL || ! gtk_status_icon_is_embedded (manager->priv->status_icon)) {
+                return FALSE;
+        }
+
+        if (manager->priv->slowkeys_alert != NULL) {
+                gtk_widget_destroy (manager->priv->slowkeys_alert);
+        }
+
+        if (manager->priv->notification != NULL) {
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+
+        msd_a11y_keyboard_manager_ensure_status_icon (manager);
+        manager->priv->notification = notify_notification_new (title,
+                                                               message,
+                                                               "preferences-desktop-accessibility",
+                                                               NULL);
+        notify_notification_attach_to_status_icon (manager->priv->notification, manager->priv->status_icon);
+        notify_notification_set_timeout (manager->priv->notification, NOTIFICATION_TIMEOUT * 1000);
+
+        notify_notification_add_action (manager->priv->notification,
+                                        "reject",
+                                        enabled ? _("Don't activate") : _("Don't deactivate"),
+                                        (NotifyActionCallback) on_sticky_keys_action,
+                                        manager,
+                                        NULL);
+        notify_notification_add_action (manager->priv->notification,
+                                        "accept",
+                                        enabled ? _("Activate") : _("Deactivate"),
+                                        (NotifyActionCallback) on_sticky_keys_action,
+                                        manager,
+                                        NULL);
+
+        g_signal_connect (manager->priv->notification,
+                          "closed",
+                          G_CALLBACK (on_notification_closed),
+                          manager);
+
+        error = NULL;
+        res = notify_notification_show (manager->priv->notification, &error);
+        if (! res) {
+                g_warning ("MsdA11yKeyboardManager: unable to show notification: %s", error->message);
+                g_error_free (error);
+                notify_notification_close (manager->priv->notification, NULL);
+        }
+
+        return res;
+#else
+        return FALSE;
+#endif /* HAVE_LIBMATENOTIFY */
+}
+
+static void
+ax_stickykeys_warning_post_dialog (MsdA11yKeyboardManager *manager,
+                                   gboolean                enabled)
+{
+        const char *title;
+        const char *message;
+
+        title = enabled ?
+                _("Do you want to activate Sticky Keys?") :
+                _("Do you want to deactivate Sticky Keys?");
+        message = enabled ?
+                _("You just pressed the Shift key 5 times in a row.  This is the shortcut "
+                  "for the Sticky Keys feature, which affects the way your keyboard works.") :
+                _("You just pressed two keys at once, or pressed the Shift key 5 times in a row.  "
+                  "This turns off the Sticky Keys feature, which affects the way your keyboard works.");
+
+        if (manager->priv->stickykeys_alert != NULL) {
+                gtk_widget_show (manager->priv->stickykeys_alert);
+                return;
+        }
+
+        manager->priv->stickykeys_alert = gtk_message_dialog_new (NULL,
+                                                                  0,
+                                                                  GTK_MESSAGE_WARNING,
+                                                                  GTK_BUTTONS_NONE,
+                                                                  "%s", title);
+
+        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (manager->priv->stickykeys_alert),
+                                                  "%s", message);
+
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->stickykeys_alert),
+                               GTK_STOCK_HELP,
+                               GTK_RESPONSE_HELP);
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->stickykeys_alert),
+                               enabled ? _("Do_n't activate") : _("Do_n't deactivate"),
+                               GTK_RESPONSE_REJECT);
+        gtk_dialog_add_button (GTK_DIALOG (manager->priv->stickykeys_alert),
+                               enabled ? _("_Activate") : _("_Deactivate"),
+                               GTK_RESPONSE_ACCEPT);
+
+        gtk_window_set_title (GTK_WINDOW (manager->priv->stickykeys_alert),
+                              _("Sticky Keys Alert"));
+        gtk_window_set_icon_name (GTK_WINDOW (manager->priv->stickykeys_alert),
+                                  "input-keyboard");
+        gtk_dialog_set_default_response (GTK_DIALOG (manager->priv->stickykeys_alert),
+                                         GTK_RESPONSE_ACCEPT);
+
+        g_signal_connect (manager->priv->stickykeys_alert,
+                          "response",
+                          G_CALLBACK (ax_stickykeys_response),
+                          manager);
+        gtk_widget_show (manager->priv->stickykeys_alert);
+
+        g_object_add_weak_pointer (G_OBJECT (manager->priv->stickykeys_alert),
+                                   (gpointer*) &manager->priv->stickykeys_alert);
+}
+
+static void
+ax_stickykeys_warning_post (MsdA11yKeyboardManager *manager,
+                            gboolean                enabled)
+{
+
+        manager->priv->stickykeys_shortcut_val = enabled;
+
+        /* alway try to show something */
+        if (! ax_stickykeys_warning_post_bubble (manager, enabled)) {
+                ax_stickykeys_warning_post_dialog (manager, enabled);
+        }
+}
+
+static void
+set_mateconf_from_server (MsdA11yKeyboardManager *manager)
+{
+        MateConfClient    *client;
+        MateConfChangeSet *cs;
+        XkbDescRec     *desc;
+        gboolean        changed = FALSE;
+        gboolean        slowkeys_changed;
+        gboolean        stickykeys_changed;
+
+        cs = mateconf_change_set_new ();
+        desc = get_xkb_desc_rec (manager);
+        if (! desc) {
+                return;
+        }
+
+        client = mateconf_client_get_default ();
+
+        /*
+          fprintf (stderr, "changed to : 0x%x\n", desc->ctrls->enabled_ctrls);
+          fprintf (stderr, "changed to : 0x%x (2)\n", desc->ctrls->ax_options);
+        */
+
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/enable",
+                             desc->ctrls->enabled_ctrls & XkbAccessXKeysMask);
+
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/feature_state_change_beep",
+                             desc->ctrls->ax_options & (XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask));
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/timeout_enable",
+                             desc->ctrls->enabled_ctrls & XkbAccessXTimeoutMask);
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/timeout",
+                            desc->ctrls->ax_timeout);
+
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/bouncekeys_enable",
+                             desc->ctrls->enabled_ctrls & XkbBounceKeysMask);
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/bouncekeys_delay",
+                            desc->ctrls->debounce_delay);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/bouncekeys_beep_reject",
+                             desc->ctrls->ax_options & XkbAX_BKRejectFBMask);
+
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/mousekeys_enable",
+                             desc->ctrls->enabled_ctrls & XkbMouseKeysMask);
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/mousekeys_max_speed",
+                            desc->ctrls->mk_max_speed * (1000 / desc->ctrls->mk_interval));
+        /* NOTE : mk_time_to_max is measured in events not time */
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/mousekeys_accel_time",
+                            desc->ctrls->mk_time_to_max * desc->ctrls->mk_interval);
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/mousekeys_init_delay",
+                            desc->ctrls->mk_delay);
+
+        slowkeys_changed = set_bool (client,
+                                     cs,
+                                     CONFIG_ROOT "/slowkeys_enable",
+                                     desc->ctrls->enabled_ctrls & XkbSlowKeysMask);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/slowkeys_beep_press",
+                             desc->ctrls->ax_options & XkbAX_SKPressFBMask);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/slowkeys_beep_accept",
+                             desc->ctrls->ax_options & XkbAX_SKAcceptFBMask);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/slowkeys_beep_reject",
+                             desc->ctrls->ax_options & XkbAX_SKRejectFBMask);
+        changed |= set_int (client,
+                            cs,
+                            CONFIG_ROOT "/slowkeys_delay",
+                            desc->ctrls->slow_keys_delay);
+
+        stickykeys_changed = set_bool (client,
+                                       cs,
+                                       CONFIG_ROOT "/stickykeys_enable",
+                                       desc->ctrls->enabled_ctrls & XkbStickyKeysMask);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/stickykeys_two_key_off",
+                             desc->ctrls->ax_options & XkbAX_TwoKeysMask);
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/stickykeys_modifier_beep",
+                             desc->ctrls->ax_options & XkbAX_StickyKeysFBMask);
+
+        changed |= set_bool (client,
+                             cs,
+                             CONFIG_ROOT "/togglekeys_enable",
+                             desc->ctrls->ax_options & XkbAX_IndicatorFBMask);
+
+        if (!changed && stickykeys_changed ^ slowkeys_changed) {
+                /*
+                 * sticky or slowkeys has changed, singly, without our intervention.
+                 * 99% chance this is due to a keyboard shortcut being used.
+                 * we need to detect via this hack until we get
+                 *  XkbAXN_AXKWarning notifications working (probable XKB bug),
+                 *  at which time we can directly intercept such shortcuts instead.
+                 * See cb_xkb_event_filter () below.
+                 */
+
+                /* sanity check: are keyboard shortcuts available? */
+                if (desc->ctrls->enabled_ctrls & XkbAccessXKeysMask) {
+                        if (slowkeys_changed) {
+                                ax_slowkeys_warning_post (manager,
+                                                          desc->ctrls->enabled_ctrls & XkbSlowKeysMask);
+                        } else {
+                                ax_stickykeys_warning_post (manager,
+                                                            desc->ctrls->enabled_ctrls & XkbStickyKeysMask);
+                        }
+                }
+        }
+
+        XkbFreeKeyboard (desc, XkbAllComponentsMask, True);
+
+        changed |= (stickykeys_changed | slowkeys_changed);
+
+        if (changed) {
+                mateconf_client_commit_change_set (client, cs, FALSE, NULL);
+                mateconf_client_suggest_sync (client, NULL);
+        }
+        mateconf_change_set_unref (cs);
+
+        g_object_unref (client);
+}
+
+static GdkFilterReturn
+cb_xkb_event_filter (GdkXEvent              *xevent,
+                     GdkEvent               *ignored1,
+                     MsdA11yKeyboardManager *manager)
+{
+        XEvent   *xev   = (XEvent *) xevent;
+        XkbEvent *xkbEv = (XkbEvent *) xevent;
+
+        if (xev->xany.type == (manager->priv->xkbEventBase + XkbEventCode) &&
+            xkbEv->any.xkb_type == XkbControlsNotify) {
+                d ("XKB state changed");
+                set_mateconf_from_server (manager);
+        } else if (xev->xany.type == (manager->priv->xkbEventBase + XkbEventCode) &&
+                   xkbEv->any.xkb_type == XkbAccessXNotify) {
+                if (xkbEv->accessx.detail == XkbAXN_AXKWarning) {
+                        d ("About to turn on an AccessX feature from the keyboard!");
+                        /*
+                         * TODO: when XkbAXN_AXKWarnings start working, we need to
+                         * invoke ax_keys_warning_dialog_run here instead of in
+                         * set_mateconf_from_server().
+                         */
+                }
+        }
+
+        return GDK_FILTER_CONTINUE;
+}
+
+static void
+keyboard_callback (MateConfClient            *client,
+                   guint                   cnxn_id,
+                   MateConfEntry             *entry,
+                   MsdA11yKeyboardManager *manager)
+{
+        set_server_from_mateconf (manager, client);
+        maybe_show_status_icon (manager);
+}
+
+static void
+register_config_callback (MsdA11yKeyboardManager  *manager,
+                          MateConfClient             *client,
+                          const char              *path,
+                          MateConfClientNotifyFunc    func,
+                          guint                   *notify)
+{
+        mateconf_client_add_dir (client, path, MATECONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+        *notify = mateconf_client_notify_add (client, path, func, manager, NULL, NULL);
+}
+
+static gboolean
+start_a11y_keyboard_idle_cb (MsdA11yKeyboardManager *manager)
+{
+        guint        event_mask;
+        MateConfClient *client;
+
+        g_debug ("Starting a11y_keyboard manager");
+        mate_settings_profile_start (NULL);
+
+        if (!xkb_enabled (manager))
+                goto out;
+
+        client = mateconf_client_get_default ();
+
+        register_config_callback (manager,
+                                  client,
+                                  CONFIG_ROOT,
+                                  (MateConfClientNotifyFunc) keyboard_callback,
+                                  &manager->priv->mateconf_notify);
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+	set_devicepresence_handler (manager);
+#endif
+
+        /* Save current xkb state so we can restore it on exit
+         */
+        manager->priv->original_xkb_desc = get_xkb_desc_rec (manager);
+
+        event_mask = XkbControlsNotifyMask;
+#ifdef DEBUG_ACCESSIBILITY
+        event_mask |= XkbAccessXNotifyMask; /* make default when AXN_AXKWarning works */
+#endif
+
+        /* be sure to init before starting to monitor the server */
+        set_server_from_mateconf (manager, client);
+        g_object_unref (client);
+
+        XkbSelectEvents (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                         XkbUseCoreKbd,
+                         event_mask,
+                         event_mask);
+
+        gdk_window_add_filter (NULL,
+                               (GdkFilterFunc) cb_xkb_event_filter,
+                               manager);
+
+        maybe_show_status_icon (manager);
+
+ out:
+        mate_settings_profile_end (NULL);
+
+        return FALSE;
+}
+
+
+gboolean
+msd_a11y_keyboard_manager_start (MsdA11yKeyboardManager *manager,
+                                 GError                **error)
+{
+        mate_settings_profile_start (NULL);
+
+        g_idle_add ((GSourceFunc) start_a11y_keyboard_idle_cb, manager);
+
+        mate_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+static void
+restore_server_xkb_config (MsdA11yKeyboardManager *manager)
+{
+        gdk_error_trap_push ();
+        XkbSetControls (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                        XkbSlowKeysMask         |
+                        XkbBounceKeysMask       |
+                        XkbStickyKeysMask       |
+                        XkbMouseKeysMask        |
+                        XkbMouseKeysAccelMask   |
+                        XkbAccessXKeysMask      |
+                        XkbAccessXTimeoutMask   |
+                        XkbAccessXFeedbackMask  |
+                        XkbControlsEnabledMask,
+                        manager->priv->original_xkb_desc);
+
+        XkbFreeKeyboard (manager->priv->original_xkb_desc,
+                         XkbAllComponentsMask, True);
+
+        XSync (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), FALSE);
+        gdk_error_trap_pop ();
+
+        manager->priv->original_xkb_desc = NULL;
+}
+
+void
+msd_a11y_keyboard_manager_stop (MsdA11yKeyboardManager *manager)
+{
+        MsdA11yKeyboardManagerPrivate *p = manager->priv;
+
+        g_debug ("Stopping a11y_keyboard manager");
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        gdk_window_remove_filter (NULL, devicepresence_filter, manager);
+#endif
+
+        if (p->status_icon)
+                gtk_status_icon_set_visible (p->status_icon, FALSE);
+
+        if (p->mateconf_notify != 0) {
+                MateConfClient *client = mateconf_client_get_default ();
+                mateconf_client_remove_dir (client, CONFIG_ROOT, NULL);
+                mateconf_client_notify_remove (client, p->mateconf_notify);
+                g_object_unref (client);
+                p->mateconf_notify = 0;
+        }
+
+        gdk_window_remove_filter (NULL,
+                                  (GdkFilterFunc) cb_xkb_event_filter,
+                                  manager);
+
+        /* Disable all the AccessX bits
+         */
+        restore_server_xkb_config (manager);
+
+        if (p->slowkeys_alert != NULL)
+                gtk_widget_destroy (p->slowkeys_alert);
+
+        if (p->stickykeys_alert != NULL)
+                gtk_widget_destroy (p->stickykeys_alert);
+
+        p->slowkeys_shortcut_val = FALSE;
+        p->stickykeys_shortcut_val = FALSE;
+}
+
+static void
+msd_a11y_keyboard_manager_set_property (GObject        *object,
+                                        guint           prop_id,
+                                        const GValue   *value,
+                                        GParamSpec     *pspec)
+{
+        MsdA11yKeyboardManager *self;
+
+        self = MSD_A11Y_KEYBOARD_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+msd_a11y_keyboard_manager_get_property (GObject        *object,
+                                        guint           prop_id,
+                                        GValue         *value,
+                                        GParamSpec     *pspec)
+{
+        MsdA11yKeyboardManager *self;
+
+        self = MSD_A11Y_KEYBOARD_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static GObject *
+msd_a11y_keyboard_manager_constructor (GType                  type,
+                                       guint                  n_construct_properties,
+                                       GObjectConstructParam *construct_properties)
+{
+        MsdA11yKeyboardManager      *a11y_keyboard_manager;
+        MsdA11yKeyboardManagerClass *klass;
+
+        klass = MSD_A11Y_KEYBOARD_MANAGER_CLASS (g_type_class_peek (MSD_TYPE_A11Y_KEYBOARD_MANAGER));
+
+        a11y_keyboard_manager = MSD_A11Y_KEYBOARD_MANAGER (G_OBJECT_CLASS (msd_a11y_keyboard_manager_parent_class)->constructor (type,
+                                                                                                      n_construct_properties,
+                                                                                                      construct_properties));
+
+        return G_OBJECT (a11y_keyboard_manager);
+}
+
+static void
+msd_a11y_keyboard_manager_dispose (GObject *object)
+{
+        MsdA11yKeyboardManager *a11y_keyboard_manager;
+
+        a11y_keyboard_manager = MSD_A11Y_KEYBOARD_MANAGER (object);
+
+        G_OBJECT_CLASS (msd_a11y_keyboard_manager_parent_class)->dispose (object);
+}
+
+static void
+msd_a11y_keyboard_manager_class_init (MsdA11yKeyboardManagerClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->get_property = msd_a11y_keyboard_manager_get_property;
+        object_class->set_property = msd_a11y_keyboard_manager_set_property;
+        object_class->constructor = msd_a11y_keyboard_manager_constructor;
+        object_class->dispose = msd_a11y_keyboard_manager_dispose;
+        object_class->finalize = msd_a11y_keyboard_manager_finalize;
+
+        g_type_class_add_private (klass, sizeof (MsdA11yKeyboardManagerPrivate));
+}
+
+static void
+on_preferences_dialog_response (GtkDialog              *dialog,
+                                int                     response,
+                                MsdA11yKeyboardManager *manager)
+{
+        g_signal_handlers_disconnect_by_func (dialog,
+                                              on_preferences_dialog_response,
+                                              manager);
+
+        gtk_widget_destroy (GTK_WIDGET (dialog));
+        manager->priv->preferences_dialog = NULL;
+}
+
+static void
+on_status_icon_activate (GtkStatusIcon          *status_icon,
+                         MsdA11yKeyboardManager *manager)
+{
+        if (manager->priv->preferences_dialog == NULL) {
+                manager->priv->preferences_dialog = msd_a11y_preferences_dialog_new ();
+                g_signal_connect (manager->priv->preferences_dialog,
+                                  "response",
+                                  G_CALLBACK (on_preferences_dialog_response),
+                                  manager);
+
+                gtk_window_present (GTK_WINDOW (manager->priv->preferences_dialog));
+        } else {
+                g_signal_handlers_disconnect_by_func (manager->priv->preferences_dialog,
+                                                      on_preferences_dialog_response,
+                                                      manager);
+                gtk_widget_destroy (GTK_WIDGET (manager->priv->preferences_dialog));
+                manager->priv->preferences_dialog = NULL;
+        }
+}
+
+static void
+msd_a11y_keyboard_manager_ensure_status_icon (MsdA11yKeyboardManager *manager)
+{
+        mate_settings_profile_start (NULL);
+
+        if (!manager->priv->status_icon) {
+
+                manager->priv->status_icon = gtk_status_icon_new_from_icon_name ("preferences-desktop-accessibility");
+                g_signal_connect (manager->priv->status_icon,
+                                  "activate",
+                                  G_CALLBACK (on_status_icon_activate),
+                                  manager);
+        }
+
+        mate_settings_profile_end (NULL);
+}
+
+static void
+msd_a11y_keyboard_manager_init (MsdA11yKeyboardManager *manager)
+{
+        manager->priv = MSD_A11Y_KEYBOARD_MANAGER_GET_PRIVATE (manager);
+
+#ifdef HAVE_LIBMATENOTIFY
+        notify_init ("mate-settings-daemon");
+#endif /* HAVE_LIBMATENOTIFY */
+}
+
+static void
+msd_a11y_keyboard_manager_finalize (GObject *object)
+{
+        MsdA11yKeyboardManager *a11y_keyboard_manager;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (MSD_IS_A11Y_KEYBOARD_MANAGER (object));
+
+        a11y_keyboard_manager = MSD_A11Y_KEYBOARD_MANAGER (object);
+
+        g_return_if_fail (a11y_keyboard_manager->priv != NULL);
+
+        G_OBJECT_CLASS (msd_a11y_keyboard_manager_parent_class)->finalize (object);
+}
+
+MsdA11yKeyboardManager *
+msd_a11y_keyboard_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (MSD_TYPE_A11Y_KEYBOARD_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+        }
+
+        return MSD_A11Y_KEYBOARD_MANAGER (manager_object);
+}