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authorPerberos <[email protected]>2011-12-01 23:53:21 -0300
committerPerberos <[email protected]>2011-12-01 23:53:21 -0300
commit505cabbd3036081f26586cabc64c26e7769c0ec9 (patch)
tree09e0498bf572128f5c9ab551531cb28d6d75e992 /mate-settings-daemon/mate-settings-manager.c
downloadmate-settings-daemon-505cabbd3036081f26586cabc64c26e7769c0ec9.tar.bz2
mate-settings-daemon-505cabbd3036081f26586cabc64c26e7769c0ec9.tar.xz
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'mate-settings-daemon/mate-settings-manager.c')
-rw-r--r--mate-settings-daemon/mate-settings-manager.c557
1 files changed, 557 insertions, 0 deletions
diff --git a/mate-settings-daemon/mate-settings-manager.c b/mate-settings-daemon/mate-settings-manager.c
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+++ b/mate-settings-daemon/mate-settings-manager.c
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+/* -*- 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 <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib-object.h>
+#define DBUS_API_SUBJECT_TO_CHANGE
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <mateconf/mateconf-client.h>
+
+#include "mate-settings-plugin-info.h"
+#include "mate-settings-manager.h"
+#include "mate-settings-manager-glue.h"
+#include "mate-settings-profile.h"
+
+#define GSD_MANAGER_DBUS_PATH "/org/mate/SettingsDaemon"
+
+#define DEFAULT_SETTINGS_PREFIX "/apps/mate_settings_daemon/plugins"
+
+#define PLUGIN_EXT ".mate-settings-plugin"
+
+#define MATE_SETTINGS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MATE_TYPE_SETTINGS_MANAGER, MateSettingsManagerPrivate))
+
+struct MateSettingsManagerPrivate
+{
+ DBusGConnection *connection;
+ MateConfClient *mateconf_client;
+ char *settings_prefix;
+ GSList *plugins;
+};
+
+enum {
+ PROP_0,
+ PROP_SETTINGS_PREFIX,
+};
+
+enum {
+ PLUGIN_ACTIVATED,
+ PLUGIN_DEACTIVATED,
+ LAST_SIGNAL
+};
+
+static guint signals [LAST_SIGNAL] = { 0, };
+
+static void mate_settings_manager_class_init (MateSettingsManagerClass *klass);
+static void mate_settings_manager_init (MateSettingsManager *settings_manager);
+static void mate_settings_manager_finalize (GObject *object);
+
+G_DEFINE_TYPE (MateSettingsManager, mate_settings_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+GQuark
+mate_settings_manager_error_quark (void)
+{
+ static GQuark ret = 0;
+ if (ret == 0) {
+ ret = g_quark_from_static_string ("mate_settings_manager_error");
+ }
+
+ return ret;
+}
+
+static void
+maybe_activate_plugin (MateSettingsPluginInfo *info, gpointer user_data)
+{
+ if (mate_settings_plugin_info_get_enabled (info)) {
+ gboolean res;
+ res = mate_settings_plugin_info_activate (info);
+ if (res) {
+ g_debug ("Plugin %s: active", mate_settings_plugin_info_get_location (info));
+ } else {
+ g_debug ("Plugin %s: activation failed", mate_settings_plugin_info_get_location (info));
+ }
+ } else {
+ g_debug ("Plugin %s: inactive", mate_settings_plugin_info_get_location (info));
+ }
+}
+
+static gint
+compare_location (MateSettingsPluginInfo *a,
+ MateSettingsPluginInfo *b)
+{
+ const char *loc_a;
+ const char *loc_b;
+
+ loc_a = mate_settings_plugin_info_get_location (a);
+ loc_b = mate_settings_plugin_info_get_location (b);
+
+ if (loc_a == NULL || loc_b == NULL) {
+ return -1;
+ }
+
+ return strcmp (loc_a, loc_b);
+}
+
+static int
+compare_priority (MateSettingsPluginInfo *a,
+ MateSettingsPluginInfo *b)
+{
+ int prio_a;
+ int prio_b;
+
+ prio_a = mate_settings_plugin_info_get_priority (a);
+ prio_b = mate_settings_plugin_info_get_priority (b);
+
+ return prio_a - prio_b;
+}
+
+static void
+on_plugin_activated (MateSettingsPluginInfo *info,
+ MateSettingsManager *manager)
+{
+ const char *name;
+ name = mate_settings_plugin_info_get_location (info);
+ g_debug ("MateSettingsManager: emitting plugin-activated %s", name);
+ g_signal_emit (manager, signals [PLUGIN_ACTIVATED], 0, name);
+}
+
+static void
+on_plugin_deactivated (MateSettingsPluginInfo *info,
+ MateSettingsManager *manager)
+{
+ const char *name;
+ name = mate_settings_plugin_info_get_location (info);
+ g_debug ("MateSettingsManager: emitting plugin-deactivated %s", name);
+ g_signal_emit (manager, signals [PLUGIN_DEACTIVATED], 0, name);
+}
+
+static void
+_load_file (MateSettingsManager *manager,
+ const char *filename)
+{
+ MateSettingsPluginInfo *info;
+ char *key_name;
+ int priority;
+ GError *error;
+ GSList *l;
+
+ g_debug ("Loading plugin: %s", filename);
+ mate_settings_profile_start ("%s", filename);
+
+ info = mate_settings_plugin_info_new_from_file (filename);
+ if (info == NULL) {
+ goto out;
+ }
+
+ l = g_slist_find_custom (manager->priv->plugins,
+ info,
+ (GCompareFunc) compare_location);
+ if (l != NULL) {
+ goto out;
+ }
+
+ manager->priv->plugins = g_slist_prepend (manager->priv->plugins,
+ g_object_ref (info));
+
+ g_signal_connect (info, "activated",
+ G_CALLBACK (on_plugin_activated), manager);
+ g_signal_connect (info, "deactivated",
+ G_CALLBACK (on_plugin_deactivated), manager);
+
+ key_name = g_strdup_printf ("%s/%s/active",
+ manager->priv->settings_prefix,
+ mate_settings_plugin_info_get_location (info));
+ mate_settings_plugin_info_set_enabled_key_name (info, key_name);
+ g_free (key_name);
+
+ key_name = g_strdup_printf ("%s/%s/priority",
+ manager->priv->settings_prefix,
+ mate_settings_plugin_info_get_location (info));
+ error = NULL;
+ priority = mateconf_client_get_int (manager->priv->mateconf_client, key_name, &error);
+ if (error == NULL) {
+ if (priority > 0) {
+ mate_settings_plugin_info_set_priority (info, priority);
+ }
+ } else {
+ g_error_free (error);
+ }
+ g_free (key_name);
+
+ out:
+ if (info != NULL) {
+ g_object_unref (info);
+ }
+
+ mate_settings_profile_end ("%s", filename);
+}
+
+static void
+_load_dir (MateSettingsManager *manager,
+ const char *path)
+{
+ GError *error;
+ GDir *d;
+ const char *name;
+
+ g_debug ("Loading settings plugins from dir: %s", path);
+ mate_settings_profile_start (NULL);
+
+ error = NULL;
+ d = g_dir_open (path, 0, &error);
+ if (d == NULL) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return;
+ }
+
+ while ((name = g_dir_read_name (d))) {
+ char *filename;
+
+ if (!g_str_has_suffix (name, PLUGIN_EXT)) {
+ continue;
+ }
+
+ filename = g_build_filename (path, name, NULL);
+ if (g_file_test (filename, G_FILE_TEST_IS_REGULAR)) {
+ _load_file (manager, filename);
+ }
+ g_free (filename);
+ }
+
+ g_dir_close (d);
+
+ mate_settings_profile_end (NULL);
+}
+
+static void
+_load_all (MateSettingsManager *manager)
+{
+ mate_settings_profile_start (NULL);
+
+ /* load system plugins */
+ _load_dir (manager, MATE_SETTINGS_PLUGINDIR G_DIR_SEPARATOR_S);
+
+ manager->priv->plugins = g_slist_sort (manager->priv->plugins, (GCompareFunc) compare_priority);
+ g_slist_foreach (manager->priv->plugins, (GFunc) maybe_activate_plugin, NULL);
+ mate_settings_profile_end (NULL);
+}
+
+static void
+_unload_plugin (MateSettingsPluginInfo *info, gpointer user_data)
+{
+ if (mate_settings_plugin_info_get_enabled (info)) {
+ mate_settings_plugin_info_deactivate (info);
+ }
+ g_object_unref (info);
+}
+
+static void
+_unload_all (MateSettingsManager *manager)
+{
+ g_slist_foreach (manager->priv->plugins, (GFunc) _unload_plugin, NULL);
+ g_slist_free (manager->priv->plugins);
+ manager->priv->plugins = NULL;
+}
+
+/*
+ Example:
+ dbus-send --session --dest=org.mate.SettingsDaemon \
+ --type=method_call --print-reply --reply-timeout=2000 \
+ /org/mate/SettingsDaemon \
+ org.mate.SettingsDaemon.Awake
+*/
+gboolean
+mate_settings_manager_awake (MateSettingsManager *manager,
+ GError **error)
+{
+ g_debug ("Awake called");
+ return mate_settings_manager_start (manager, error);
+}
+
+static gboolean
+register_manager (MateSettingsManager *manager)
+{
+ GError *error = NULL;
+
+ manager->priv->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
+ if (manager->priv->connection == NULL) {
+ if (error != NULL) {
+ g_critical ("error getting system bus: %s", error->message);
+ g_error_free (error);
+ }
+ return FALSE;
+ }
+
+ dbus_g_connection_register_g_object (manager->priv->connection, GSD_MANAGER_DBUS_PATH, G_OBJECT (manager));
+
+ return TRUE;
+}
+
+gboolean
+mate_settings_manager_start (MateSettingsManager *manager,
+ GError **error)
+{
+ gboolean ret;
+
+ g_debug ("Starting settings manager");
+
+ ret = FALSE;
+
+ mate_settings_profile_start (NULL);
+
+ if (!g_module_supported ()) {
+ g_warning ("mate-settings-daemon is not able to initialize the plugins.");
+ g_set_error (error,
+ MATE_SETTINGS_MANAGER_ERROR,
+ MATE_SETTINGS_MANAGER_ERROR_GENERAL,
+ "Plugins not supported");
+
+ goto out;
+ }
+
+ manager->priv->mateconf_client = mateconf_client_get_default ();
+
+ mate_settings_profile_start ("preloading mateconf keys");
+ mateconf_client_add_dir (manager->priv->mateconf_client,
+ manager->priv->settings_prefix,
+ MATECONF_CLIENT_PRELOAD_RECURSIVE,
+ NULL);
+ mate_settings_profile_end ("preloading mateconf keys");
+
+ _load_all (manager);
+
+ ret = TRUE;
+ out:
+ mate_settings_profile_end (NULL);
+
+ return ret;
+}
+
+gboolean
+mate_settings_manager_start_with_settings_prefix (MateSettingsManager *manager,
+ const char *settings_prefix,
+ GError **error)
+{
+ g_object_set (manager, "settings-prefix", settings_prefix, NULL);
+
+ return mate_settings_manager_start (manager, error);
+}
+
+void
+mate_settings_manager_stop (MateSettingsManager *manager)
+{
+ g_debug ("Stopping settings manager");
+
+#ifdef ENABLE_PYTHON
+ /* Note: that this may cause finalization of objects by
+ * running the garbage collector. Since some of the plugin may
+ * have installed callbacks upon object finalization it must
+ * run before we get rid of the plugins.
+ */
+ mate_settings_python_shutdown ();
+#endif
+
+ _unload_all (manager);
+
+ mateconf_client_remove_dir (manager->priv->mateconf_client,
+ manager->priv->settings_prefix,
+ NULL);
+ g_object_unref (manager->priv->mateconf_client);
+ manager->priv->mateconf_client = NULL;
+}
+
+static void
+_set_settings_prefix (MateSettingsManager *self,
+ const char *prefix)
+{
+ g_free (self->priv->settings_prefix);
+ self->priv->settings_prefix = g_strdup (prefix);
+}
+
+static void
+mate_settings_manager_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MateSettingsManager *self;
+
+ self = MATE_SETTINGS_MANAGER (object);
+
+ switch (prop_id) {
+ case PROP_SETTINGS_PREFIX:
+ _set_settings_prefix (self, g_value_get_string (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+mate_settings_manager_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MateSettingsManager *self;
+
+ self = MATE_SETTINGS_MANAGER (object);
+
+ switch (prop_id) {
+ case PROP_SETTINGS_PREFIX:
+ g_value_set_string (value, self->priv->settings_prefix);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+mate_settings_manager_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ MateSettingsManager *manager;
+ MateSettingsManagerClass *klass;
+
+ klass = MATE_SETTINGS_MANAGER_CLASS (g_type_class_peek (MATE_TYPE_SETTINGS_MANAGER));
+
+ manager = MATE_SETTINGS_MANAGER (G_OBJECT_CLASS (mate_settings_manager_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ return G_OBJECT (manager);
+}
+
+static void
+mate_settings_manager_dispose (GObject *object)
+{
+ MateSettingsManager *manager;
+
+ manager = MATE_SETTINGS_MANAGER (object);
+
+ mate_settings_manager_stop (manager);
+
+ G_OBJECT_CLASS (mate_settings_manager_parent_class)->dispose (object);
+}
+
+static void
+mate_settings_manager_class_init (MateSettingsManagerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = mate_settings_manager_get_property;
+ object_class->set_property = mate_settings_manager_set_property;
+ object_class->constructor = mate_settings_manager_constructor;
+ object_class->dispose = mate_settings_manager_dispose;
+ object_class->finalize = mate_settings_manager_finalize;
+
+ signals [PLUGIN_ACTIVATED] =
+ g_signal_new ("plugin-activated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (MateSettingsManagerClass, plugin_activated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE,
+ 1, G_TYPE_STRING);
+ signals [PLUGIN_DEACTIVATED] =
+ g_signal_new ("plugin-deactivated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (MateSettingsManagerClass, plugin_deactivated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE,
+ 1, G_TYPE_STRING);
+
+ g_object_class_install_property (object_class,
+ PROP_SETTINGS_PREFIX,
+ g_param_spec_string ("settings-prefix",
+ "settings-prefix",
+ "settings-prefix",
+ DEFAULT_SETTINGS_PREFIX,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ g_type_class_add_private (klass, sizeof (MateSettingsManagerPrivate));
+
+ dbus_g_object_type_install_info (MATE_TYPE_SETTINGS_MANAGER, &dbus_glib_mate_settings_manager_object_info);
+}
+
+static void
+mate_settings_manager_init (MateSettingsManager *manager)
+{
+
+ manager->priv = MATE_SETTINGS_MANAGER_GET_PRIVATE (manager);
+}
+
+static void
+mate_settings_manager_finalize (GObject *object)
+{
+ MateSettingsManager *manager;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (MATE_IS_SETTINGS_MANAGER (object));
+
+ manager = MATE_SETTINGS_MANAGER (object);
+
+ g_return_if_fail (manager->priv != NULL);
+
+ g_free (manager->priv->settings_prefix);
+
+ G_OBJECT_CLASS (mate_settings_manager_parent_class)->finalize (object);
+}
+
+MateSettingsManager *
+mate_settings_manager_new (void)
+{
+ if (manager_object != NULL) {
+ g_object_ref (manager_object);
+ } else {
+ gboolean res;
+
+ manager_object = g_object_new (MATE_TYPE_SETTINGS_MANAGER,
+ NULL);
+ g_object_add_weak_pointer (manager_object,
+ (gpointer *) &manager_object);
+ res = register_manager (manager_object);
+ if (! res) {
+ g_object_unref (manager_object);
+ return NULL;
+ }
+ }
+
+ return MATE_SETTINGS_MANAGER (manager_object);
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-05 20:28:37 +0000