/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2007 William Jon McCann * * 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 #include #include #include #include #include #include #include #include #include #include #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.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; 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); }