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Viewing changes to gnome-settings-daemon/gnome-settings-plugin.h

  • Committer: Package Import Robot
  • Author(s): Robert Ancell
  • Date: 2014-02-07 11:44:36 UTC
  • Revision ID: package-import@ubuntu.com-20140207114436-7t5u3yvwc4ul7w3e
Tags: upstream-14.04.0
Import upstream version 14.04.0

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gnome-settings-daemon/gnome-settings-plugin.h
 
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 
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 *
 
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 * Copyright (C) 2002-2005 Paolo Maggi
 
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 * Copyright (C) 2007      William Jon McCann <mccann@jhu.edu>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330,
 
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 * Boston, MA 02111-1307, USA.
 
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 */
 
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#ifndef __GNOME_SETTINGS_PLUGIN_H__
 
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#define __GNOME_SETTINGS_PLUGIN_H__
 
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#include <glib-object.h>
 
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#include <gmodule.h>
 
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G_BEGIN_DECLS
 
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#define GNOME_TYPE_SETTINGS_PLUGIN              (gnome_settings_plugin_get_type())
 
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#define GNOME_SETTINGS_PLUGIN(obj)              (G_TYPE_CHECK_INSTANCE_CAST((obj), GNOME_TYPE_SETTINGS_PLUGIN, GnomeSettingsPlugin))
 
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#define GNOME_SETTINGS_PLUGIN_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass),  GNOME_TYPE_SETTINGS_PLUGIN, GnomeSettingsPluginClass))
 
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#define GNOME_IS_SETTINGS_PLUGIN(obj)           (G_TYPE_CHECK_INSTANCE_TYPE((obj), GNOME_TYPE_SETTINGS_PLUGIN))
 
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#define GNOME_IS_SETTINGS_PLUGIN_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_SETTINGS_PLUGIN))
 
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#define GNOME_SETTINGS_PLUGIN_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS((obj),  GNOME_TYPE_SETTINGS_PLUGIN, GnomeSettingsPluginClass))
 
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typedef struct
 
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{
 
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        GObject parent;
 
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} GnomeSettingsPlugin;
 
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typedef struct
 
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{
 
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        GObjectClass parent_class;
 
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        /* Virtual public methods */
 
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        void            (*activate)                     (GnomeSettingsPlugin *plugin);
 
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        void            (*deactivate)                   (GnomeSettingsPlugin *plugin);
 
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} GnomeSettingsPluginClass;
 
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GType            gnome_settings_plugin_get_type           (void) G_GNUC_CONST;
 
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void             gnome_settings_plugin_activate           (GnomeSettingsPlugin *plugin);
 
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void             gnome_settings_plugin_deactivate         (GnomeSettingsPlugin *plugin);
 
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#define GSD_DBUS_NAME "org.gnome.SettingsDaemon"
 
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#define GSD_DBUS_PATH "/org/gnome/SettingsDaemon"
 
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#define GSD_DBUS_BASE_INTERFACE "org.gnome.SettingsDaemon"
 
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/*
 
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 * Utility macro used to register plugins
 
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 *
 
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 * use: GNOME_SETTINGS_PLUGIN_REGISTER (PluginName, plugin_name)
 
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 */
 
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#define GNOME_SETTINGS_PLUGIN_REGISTER(PluginName, plugin_name)                \
 
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typedef struct {                                                               \
 
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        PluginName##Manager *manager;                                          \
 
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} PluginName##PluginPrivate;                                                   \
 
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typedef struct {                                                               \
 
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        GnomeSettingsPlugin    parent;                                         \
 
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        PluginName##PluginPrivate *priv;                                       \
 
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} PluginName##Plugin;                                                          \
 
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typedef struct {                                                               \
 
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        GnomeSettingsPluginClass parent_class;                                 \
 
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} PluginName##PluginClass;                                                     \
 
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GType plugin_name##_plugin_get_type (void) G_GNUC_CONST;                       \
 
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G_MODULE_EXPORT GType register_gnome_settings_plugin (GTypeModule *module);    \
 
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                                                                               \
 
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        G_DEFINE_DYNAMIC_TYPE (PluginName##Plugin,                             \
 
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                               plugin_name##_plugin,                           \
 
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                               GNOME_TYPE_SETTINGS_PLUGIN)                     \
 
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                                                                               \
 
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G_MODULE_EXPORT GType                                                          \
 
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register_gnome_settings_plugin (GTypeModule *type_module)                      \
 
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{                                                                              \
 
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        plugin_name##_plugin_register_type (type_module);                      \
 
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                                                                               \
 
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        return plugin_name##_plugin_get_type();                                \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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plugin_name##_plugin_class_finalize (PluginName##PluginClass * plugin_name##_class) \
 
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{                                                                              \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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plugin_name##_plugin_init (PluginName##Plugin *plugin)                         \
 
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{                                                                              \
 
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        plugin->priv = G_TYPE_INSTANCE_GET_PRIVATE ((plugin),                  \
 
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                plugin_name##_plugin_get_type(), PluginName##PluginPrivate);   \
 
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        g_debug (#PluginName " initializing");                                 \
 
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        plugin->priv->manager = plugin_name##_manager_new ();                  \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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plugin_name##_plugin_finalize (GObject *object)                                \
 
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{                                                                              \
 
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        PluginName##Plugin *plugin;                                            \
 
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        g_return_if_fail (object != NULL);                                     \
 
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        g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (object, plugin_name##_plugin_get_type())); \
 
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        g_debug ("PluginName## finalizing");                                   \
 
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        plugin = G_TYPE_CHECK_INSTANCE_CAST ((object), plugin_name##_plugin_get_type(), PluginName##Plugin); \
 
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        g_return_if_fail (plugin->priv != NULL);                               \
 
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        if (plugin->priv->manager != NULL)                                     \
 
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                g_object_unref (plugin->priv->manager);                        \
 
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        G_OBJECT_CLASS (plugin_name##_plugin_parent_class)->finalize (object);        \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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impl_activate (GnomeSettingsPlugin *plugin)                                    \
 
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{                                                                              \
 
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        GError *error = NULL;                                                  \
 
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        PluginName##Plugin *plugin_cast;                                       \
 
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        g_debug ("Activating %s plugin", G_STRINGIFY(plugin_name));            \
 
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        plugin_cast = G_TYPE_CHECK_INSTANCE_CAST ((plugin), plugin_name##_plugin_get_type(), PluginName##Plugin); \
 
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        if (!plugin_name##_manager_start (plugin_cast->priv->manager, &error)) { \
 
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                g_warning ("Unable to start %s manager: %s", G_STRINGIFY(plugin_name), error->message); \
 
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                g_error_free (error);                                          \
 
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        }                                                                      \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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impl_deactivate (GnomeSettingsPlugin *plugin)                                  \
 
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{                                                                              \
 
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        PluginName##Plugin *plugin_cast;                                       \
 
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        plugin_cast = G_TYPE_CHECK_INSTANCE_CAST ((plugin), plugin_name##_plugin_get_type(), PluginName##Plugin); \
 
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        g_debug ("Deactivating %s plugin", G_STRINGIFY (plugin_name));         \
 
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        plugin_name##_manager_stop (plugin_cast->priv->manager); \
 
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}                                                                              \
 
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                                                                               \
 
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static void                                                                    \
 
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plugin_name##_plugin_class_init (PluginName##PluginClass *klass)               \
 
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{                                                                              \
 
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        GObjectClass           *object_class = G_OBJECT_CLASS (klass);         \
 
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        GnomeSettingsPluginClass *plugin_class = GNOME_SETTINGS_PLUGIN_CLASS (klass); \
 
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                                                                               \
 
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        object_class->finalize = plugin_name##_plugin_finalize;                \
 
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        plugin_class->activate = impl_activate;                                \
 
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        plugin_class->deactivate = impl_deactivate;                            \
 
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        g_type_class_add_private (klass, sizeof (PluginName##PluginPrivate));  \
 
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}
 
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G_END_DECLS
 
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#endif  /* __GNOME_SETTINGS_PLUGIN_H__ */