moving from https://github.com/perberos/mate-desktop-environment

author: Perberos <[email protected]> 2011-12-01 22:56:10 -0300
committer: Perberos <[email protected]> 2011-12-01 22:56:10 -0300
commit: c51ef797a707f4e2c6f9688d4378f2b0e9898a66 (patch)
tree: 019ae92bb53c19b30077545cb14743cbd1b57aef /mate-panel/panel-lockdown.c
download: mate-panel-c51ef797a707f4e2c6f9688d4378f2b0e9898a66.tar.bz2
mate-panel-c51ef797a707f4e2c6f9688d4378f2b0e9898a66.tar.xz
1 files changed, 442 insertions, 0 deletions
diff --git a/mate-panel/panel-lockdown.c b/mate-panel/panel-lockdown.c
new file mode 100644
index 00000000..e484b016
--- /dev/null
+++ b/mate-panel/panel-lockdown.c
@@ -0,0 +1,442 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2004 Sun Microsystems, Inc.
+ *
+ * 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.
+ *
+ * Authors:
+ * Matt Keenan <[email protected]>
+ * Mark McLoughlin <[email protected]>
+ */
+
+#include <config.h>
+
+#include "panel-lockdown.h"
+
+#include <string.h>
+#include "panel-mateconf.h"
+
+#define N_LISTENERS 6
+
+#define PANEL_GLOBAL_LOCKDOWN_DIR "/apps/panel/global"
+#define DESKTOP_MATE_LOCKDOWN_DIR "/desktop/mate/lockdown"
+#define PANEL_GLOBAL_LOCKED_DOWN_KEY PANEL_GLOBAL_LOCKDOWN_DIR "/locked_down"
+#define DISABLE_COMMAND_LINE_KEY DESKTOP_MATE_LOCKDOWN_DIR "/disable_command_line"
+#define DISABLE_LOCK_SCREEN_KEY DESKTOP_MATE_LOCKDOWN_DIR "/disable_lock_screen"
+#define DISABLE_LOG_OUT_KEY PANEL_GLOBAL_LOCKDOWN_DIR "/disable_log_out"
+#define DISABLE_FORCE_QUIT_KEY PANEL_GLOBAL_LOCKDOWN_DIR "/disable_force_quit"
+#define DISABLED_APPLETS_KEY PANEL_GLOBAL_LOCKDOWN_DIR "/disabled_applets"
+
+typedef struct {
+ guint initialized : 1;
+
+ guint locked_down : 1;
+ guint disable_command_line : 1;
+ guint disable_lock_screen : 1;
+ guint disable_log_out : 1;
+ guint disable_force_quit : 1;
+
+ GSList *disabled_applets;
+
+ guint listeners [N_LISTENERS];
+
+ GSList *closures;
+} PanelLockdown;
+
+static PanelLockdown panel_lockdown = { 0, };
+
+
+static inline void
+panel_lockdown_invoke_closures (PanelLockdown *lockdown)
+{
+ GSList *l;
+
+ for (l = lockdown->closures; l; l = l->next)
+ g_closure_invoke (l->data, NULL, 0, NULL, NULL);
+}
+
+static void
+locked_down_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ if (!entry->value || entry->value->type != MATECONF_VALUE_BOOL)
+ return;
+
+ lockdown->locked_down = mateconf_value_get_bool (entry->value);
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static void
+disable_command_line_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ if (!entry->value || entry->value->type != MATECONF_VALUE_BOOL)
+ return;
+
+ lockdown->disable_command_line = mateconf_value_get_bool (entry->value);
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static void
+disable_lock_screen_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ if (!entry->value || entry->value->type != MATECONF_VALUE_BOOL)
+ return;
+
+ lockdown->disable_lock_screen = mateconf_value_get_bool (entry->value);
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static void
+disable_log_out_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ if (!entry->value || entry->value->type != MATECONF_VALUE_BOOL)
+ return;
+
+ lockdown->disable_log_out = mateconf_value_get_bool (entry->value);
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static void
+disable_force_quit_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ if (!entry->value || entry->value->type != MATECONF_VALUE_BOOL)
+ return;
+
+ lockdown->disable_force_quit = mateconf_value_get_bool (entry->value);
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static void
+disabled_applets_notify (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ PanelLockdown *lockdown)
+{
+ GSList *l;
+
+ if (!entry->value || entry->value->type != MATECONF_VALUE_LIST ||
+ mateconf_value_get_list_type (entry->value) != MATECONF_VALUE_STRING)
+ return;
+
+ for (l = lockdown->disabled_applets; l; l = l->next)
+ g_free (l->data);
+ g_slist_free (lockdown->disabled_applets);
+ lockdown->disabled_applets = NULL;
+
+ for (l = mateconf_value_get_list (entry->value); l; l = l->next) {
+ const char *iid = mateconf_value_get_string (l->data);
+
+ lockdown->disabled_applets =
+ g_slist_prepend (lockdown->disabled_applets,
+ g_strdup (iid));
+ }
+
+ panel_lockdown_invoke_closures (lockdown);
+}
+
+static gboolean
+panel_lockdown_load_bool (PanelLockdown *lockdown,
+ MateConfClient *client,
+ const char *key,
+ MateConfClientNotifyFunc notify_func,
+ int listener)
+{
+ GError *error = NULL;
+ gboolean retval;
+
+ retval = mateconf_client_get_bool (client, key, &error);
+ if (error) {
+ g_warning ("Error getting value of '%s': %s\n",
+ key, error->message);
+ retval = FALSE;
+ }
+
+ lockdown->listeners [listener] =
+ mateconf_client_notify_add (client,
+ key,
+ notify_func,
+ lockdown,
+ NULL, NULL);
+
+ return retval;
+}
+
+static GSList *
+panel_lockdown_load_disabled_applets (PanelLockdown *lockdown,
+ MateConfClient *client,
+ int listener)
+{
+ GSList *retval;
+
+ retval = mateconf_client_get_list (client,
+ DISABLED_APPLETS_KEY,
+ MATECONF_VALUE_STRING,
+ NULL);
+
+ lockdown->listeners [listener] =
+ mateconf_client_notify_add (client,
+ DISABLED_APPLETS_KEY,
+ (MateConfClientNotifyFunc) disabled_applets_notify,
+ lockdown,
+ NULL, NULL);
+
+ return retval;
+}
+
+void
+panel_lockdown_init (void)
+{
+ MateConfClient *client;
+ int i = 0;
+
+ client = panel_mateconf_get_client ();
+
+ mateconf_client_add_dir (client,
+ DESKTOP_MATE_LOCKDOWN_DIR,
+ MATECONF_CLIENT_PRELOAD_ONELEVEL,
+ NULL);
+
+ mateconf_client_add_dir (client,
+ PANEL_GLOBAL_LOCKDOWN_DIR,
+ MATECONF_CLIENT_PRELOAD_ONELEVEL,
+ NULL);
+
+ panel_lockdown.locked_down =
+ panel_lockdown_load_bool (&panel_lockdown,
+ client,
+ PANEL_GLOBAL_LOCKED_DOWN_KEY,
+ (MateConfClientNotifyFunc) locked_down_notify,
+ i++);
+
+ panel_lockdown.disable_command_line =
+ panel_lockdown_load_bool (&panel_lockdown,
+ client,
+ DISABLE_COMMAND_LINE_KEY,
+ (MateConfClientNotifyFunc) disable_command_line_notify,
+ i++);
+ 
+ panel_lockdown.disable_lock_screen =
+ panel_lockdown_load_bool (&panel_lockdown,
+ client,
+ DISABLE_LOCK_SCREEN_KEY,
+ (MateConfClientNotifyFunc) disable_lock_screen_notify,
+ i++);
+
+ panel_lockdown.disable_log_out =
+ panel_lockdown_load_bool (&panel_lockdown,
+ client,
+ DISABLE_LOG_OUT_KEY,
+ (MateConfClientNotifyFunc) disable_log_out_notify,
+ i++);
+
+ panel_lockdown.disable_force_quit =
+ panel_lockdown_load_bool (&panel_lockdown,
+ client,
+ DISABLE_FORCE_QUIT_KEY,
+ (MateConfClientNotifyFunc) disable_force_quit_notify,
+ i++);
+
+ panel_lockdown.disabled_applets =
+ panel_lockdown_load_disabled_applets (&panel_lockdown,
+ client,
+ i++);
+
+ g_assert (i == N_LISTENERS);
+
+ panel_lockdown.initialized = TRUE;
+}
+
+void
+panel_lockdown_finalize (void)
+{
+ MateConfClient *client;
+ GSList *l;
+ int i;
+
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ client = panel_mateconf_get_client ();
+
+ for (l = panel_lockdown.disabled_applets; l; l = l->next)
+ g_free (l->data);
+ g_slist_free (panel_lockdown.disabled_applets);
+ panel_lockdown.disabled_applets = NULL;
+
+ for (i = 0; i < N_LISTENERS; i++) {
+ if (panel_lockdown.listeners [i])
+ mateconf_client_notify_remove (client,
+ panel_lockdown.listeners [i]);
+ panel_lockdown.listeners [i] = 0;
+ }
+
+ mateconf_client_remove_dir (client,
+ PANEL_GLOBAL_LOCKDOWN_DIR,
+ NULL);
+
+ mateconf_client_remove_dir (client,
+ DESKTOP_MATE_LOCKDOWN_DIR,
+ NULL);
+
+ for (l = panel_lockdown.closures; l; l = l->next)
+ g_closure_unref (l->data);
+ g_slist_free (panel_lockdown.closures);
+ panel_lockdown.closures = NULL;
+
+ panel_lockdown.initialized = FALSE;
+}
+
+gboolean
+panel_lockdown_get_locked_down (void)
+{
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ return panel_lockdown.locked_down;
+}
+
+gboolean
+panel_lockdown_get_disable_command_line (void)
+{
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ return panel_lockdown.disable_command_line;
+}
+
+gboolean
+panel_lockdown_get_disable_lock_screen (void)
+{
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ return panel_lockdown.disable_lock_screen;
+}
+
+gboolean
+panel_lockdown_get_disable_log_out (void)
+{
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ return panel_lockdown.disable_log_out;
+}
+
+gboolean
+panel_lockdown_get_disable_force_quit (void)
+{
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ return panel_lockdown.disable_force_quit;
+}
+
+gboolean
+panel_lockdown_is_applet_disabled (const char *iid)
+{
+ GSList *l;
+
+ g_assert (panel_lockdown.initialized != FALSE);
+
+ for (l = panel_lockdown.disabled_applets; l; l = l->next)
+ if (!strcmp (l->data, iid))
+ return TRUE;
+
+ return FALSE;
+}
+
+static GClosure *
+panel_lockdown_notify_find (GSList *closures,
+ GCallback callback_func,
+ gpointer user_data)
+{
+ GSList *l;
+
+ for (l = closures; l; l = l->next) {
+ GCClosure *cclosure = l->data;
+ GClosure *closure = l->data;
+
+ if (closure->data == user_data &&
+ cclosure->callback == callback_func)
+ return closure;
+ }
+
+ return NULL;
+}
+
+static void
+marshal_user_data (GClosure *closure,
+ GValue *return_value,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer invocation_hint,
+ gpointer marshal_data)
+{
+ GCClosure *cclosure = (GCClosure*) closure;
+
+ g_return_if_fail (cclosure->callback != NULL);
+ g_return_if_fail (n_param_values == 0);
+
+ ((void (*) (gpointer *))cclosure->callback) (closure->data);
+}
+
+void
+panel_lockdown_notify_add (GCallback callback_func,
+ gpointer user_data)
+{
+ GClosure *closure;
+
+ g_assert (panel_lockdown_notify_find (panel_lockdown.closures,
+ callback_func,
+ user_data) == NULL);
+
+ closure = g_cclosure_new (callback_func, user_data, NULL);
+ g_closure_set_marshal (closure, marshal_user_data);
+
+ panel_lockdown.closures = g_slist_append (panel_lockdown.closures,
+ closure);
+}
+
+void
+panel_lockdown_notify_remove (GCallback callback_func,
+ gpointer user_data)
+{
+ GClosure *closure;
+
+ closure = panel_lockdown_notify_find (panel_lockdown.closures,
+ callback_func,
+ user_data);
+
+ g_assert (closure != NULL);
+
+ panel_lockdown.closures = g_slist_remove (panel_lockdown.closures,
+ closure);
+
+ g_closure_unref (closure);
+}
author	Perberos <[email protected]>	2011-12-01 22:56:10 -0300
committer	Perberos <[email protected]>	2011-12-01 22:56:10 -0300
commit	c51ef797a707f4e2c6f9688d4378f2b0e9898a66 (patch)
tree	019ae92bb53c19b30077545cb14743cbd1b57aef /mate-panel/panel-lockdown.c
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