+++ /dev/null
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-/*
- * Copyright (C) 2010 Igalia, S.L.
- *
- * Author: Alejandro Piñeiro Iglesias <apinheiro@igalia.com>
- *
- * 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 <string.h>
-#include <gmodule.h>
-#include <clutter/clutter.h>
-
-#include "shell-a11y.h"
-
-#define INIT_METHOD "gnome_accessibility_module_init"
-#define DESKTOP_SCHEMA "org.gnome.desktop.interface"
-#define ACCESSIBILITY_ENABLED_KEY "toolkit-accessibility"
-#define AT_SPI_SCHEMA "org.a11y.atspi"
-#define ATK_BRIDGE_LOCATION_KEY "atk-bridge-location"
-
-static gboolean
-should_enable_a11y (void)
-{
- GSettings *desktop_settings = NULL;
- gboolean value = FALSE;
-
- desktop_settings = g_settings_new (DESKTOP_SCHEMA);
- value = g_settings_get_boolean (desktop_settings, ACCESSIBILITY_ENABLED_KEY);
-
- g_object_unref (desktop_settings);
-
- return value;
-}
-
-static char*
-get_atk_bridge_path (void)
-{
- GSettings *atspi_settings = NULL;
- GVariant *variant = NULL;
- char *value = NULL;
- const char * const *schemas = NULL;
- gboolean found = FALSE;
- int i = 0;
-
- schemas = g_settings_list_schemas ();
-
- for (i = 0; schemas [i]; i++)
- {
- if (!strcmp (schemas[i], AT_SPI_SCHEMA))
- {
- found = TRUE;
- break;
- }
- }
-
- if (!found)
- {
- g_warning ("Accessibility: %s schema not found. Are you sure that at-spi or"
- " at-spi2 is installed on your system?", AT_SPI_SCHEMA);
- return NULL;
- }
-
- atspi_settings = g_settings_new (AT_SPI_SCHEMA);
- variant = g_settings_get_value (atspi_settings, ATK_BRIDGE_LOCATION_KEY);
- value = g_variant_dup_bytestring (variant, NULL);
- g_variant_unref (variant);
- g_object_unref (atspi_settings);
-
- return value;
-}
-
-static gboolean
-a11y_invoke_module (const char *module_path)
-{
- GModule *handle;
- void (*invoke_fn) (void);
-
- if (!module_path)
- {
- g_warning ("Accessibility: invalid module path (NULL)");
-
- return FALSE;
- }
-
- if (!(handle = g_module_open (module_path, 0)))
- {
- g_warning ("Accessibility: failed to load module '%s': '%s'",
- module_path, g_module_error ());
-
- return FALSE;
- }
-
- if (!g_module_symbol (handle, INIT_METHOD, (gpointer *)&invoke_fn))
- {
- g_warning ("Accessibility: error library '%s' does not include "
- "method '%s' required for accessibility support",
- module_path, INIT_METHOD);
- g_module_close (handle);
-
- return FALSE;
- }
-
- invoke_fn ();
-
- return TRUE;
-}
-
-/*
- * It loads the atk-bridge if required. It checks:
- * * If the proper gsetting key is set
- * * If clutter has already enabled the accessibility
- *
- * You need to ensure that the atk-bridge was not loaded before this
- * call, because in that case the application would be already
- * registered on at-spi using the AtkUtil implementation on that
- * moment (if any, although without anyone the application would
- * crash). Anyway this is the reason of NO_AT_BRIDGE.
- *
- */
-void
-shell_a11y_init (void)
-{
- char *bridge_path = NULL;
-
- if (!should_enable_a11y ())
- return;
-
- if (clutter_get_accessibility_enabled () == FALSE)
- {
- g_warning ("Accessibility: clutter has no accessibility enabled"
- " skipping the atk-bridge load");
- return;
- }
-
- bridge_path = get_atk_bridge_path ();
-
- if (a11y_invoke_module (bridge_path) == FALSE)
- {
- g_warning ("Accessibility: error loading the atk-bridge. Although the"
- " accessibility on the system is enabled and clutter"
- " accessibility is also enabled, accessibility support on"
- " GNOME Shell will not work");
- }
-
- /* NOTE: We avoid to load gail module, as gail-cally interaction is
- * not fully supported right now.
- */
-
- g_free (bridge_path);
-}
+++ /dev/null
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-/*
- * Copyright (C) 2010 Igalia, S.L.
- *
- * Author: Alejandro Piñeiro Iglesias <apinheiro@igalia.com>
- *
- * 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.
- *
- */
-
-#ifndef __SHELL_A11Y_H_
-#define __SHELL_A11Y_H_
-
-G_BEGIN_DECLS
-
-void shell_a11y_init (void);
-
-G_END_DECLS
-
-#endif /* __SHELL_A11Y_H_ */
projects / gnome-shell.git / commitdiff