moved from Mate-Extra

1 files changed, 347 insertions, 0 deletions

diff --git a/src/gpm-control.c b/src/gpm-control.c
new file mode 100644
index 0000000..50212b8
--- /dev/null
+++ b/src/gpm-control.c
@@ -0,0 +1,347 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2006-2007 Richard Hughes <[email protected]>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <errno.h>
+
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#include <glib/gi18n.h>
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <mate-keyring.h>
+#include <mateconf/mateconf-client.h>
+#include <libupower-glib/upower.h>
+
+#include "egg-debug.h"
+#include "egg-console-kit.h"
+
+#include "gpm-screensaver.h"
+#include "gpm-common.h"
+#include "gpm-control.h"
+#include "gpm-networkmanager.h"
+
+#define GPM_CONTROL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_CONTROL, GpmControlPrivate))
+
+struct GpmControlPrivate
+{
+	MateConfClient		*conf;
+	UpClient		*client;
+};
+
+enum {
+	RESUME,
+	SLEEP,
+	LAST_SIGNAL
+};
+
+static guint signals [LAST_SIGNAL] = { 0 };
+static gpointer gpm_control_object = NULL;
+
+G_DEFINE_TYPE (GpmControl, gpm_control, G_TYPE_OBJECT)
+
+/**
+ * gpm_control_error_quark:
+ * Return value: Our personal error quark.
+ **/
+GQuark
+gpm_control_error_quark (void)
+{
+	static GQuark quark = 0;
+	if (!quark)
+		quark = g_quark_from_static_string ("gpm_control_error");
+	return quark;
+}
+
+/**
+ * gpm_control_shutdown:
+ * @control: This class instance
+ *
+ * Shuts down the computer
+ **/
+gboolean
+gpm_control_shutdown (GpmControl *control, GError **error)
+{
+	gboolean ret;
+	EggConsoleKit *console;
+	console = egg_console_kit_new ();
+	ret = egg_console_kit_stop (console, error);
+	g_object_unref (console);
+	return ret;
+}
+
+/**
+ * gpm_control_get_lock_policy:
+ * @control: This class instance
+ * @policy: The policy mateconf string.
+ *
+ * This function finds out if we should lock the screen when we do an
+ * action. It is required as we can either use the mate-screensaver policy
+ * or the custom policy. See the yelp file for more information.
+ *
+ * Return value: TRUE if we should lock.
+ **/
+gboolean
+gpm_control_get_lock_policy (GpmControl *control, const gchar *policy)
+{
+	gboolean do_lock;
+	gboolean use_ss_setting;
+	/* This allows us to over-ride the custom lock settings set in mateconf
+	   with a system default set in mate-screensaver.
+	   See bug #331164 for all the juicy details. :-) */
+	use_ss_setting = mateconf_client_get_bool (control->priv->conf, GPM_CONF_LOCK_USE_SCREENSAVER, NULL);
+	if (use_ss_setting) {
+		do_lock = mateconf_client_get_bool (control->priv->conf, GS_PREF_LOCK_ENABLED, NULL);
+		egg_debug ("Using ScreenSaver settings (%i)", do_lock);
+	} else {
+		do_lock = mateconf_client_get_bool (control->priv->conf, policy, NULL);
+		egg_debug ("Using custom locking settings (%i)", do_lock);
+	}
+	return do_lock;
+}
+
+/**
+ * gpm_control_suspend:
+ **/
+gboolean
+gpm_control_suspend (GpmControl *control, GError **error)
+{
+	gboolean allowed;
+	gboolean ret = FALSE;
+	gboolean do_lock;
+	gboolean nm_sleep;
+	gboolean lock_mate_keyring;
+	MateKeyringResult keyres;
+	GpmScreensaver *screensaver;
+	guint32 throttle_cookie = 0;
+
+	screensaver = gpm_screensaver_new ();
+
+	g_object_get (control->priv->client,
+		      "can-suspend", &allowed,
+		      NULL);
+	if (!allowed) {
+		egg_debug ("cannot suspend as not allowed from policy");
+		g_set_error_literal (error, GPM_CONTROL_ERROR, GPM_CONTROL_ERROR_GENERAL, "Cannot suspend");
+		goto out;
+	}
+
+	/* we should perhaps lock keyrings when sleeping #375681 */
+	lock_mate_keyring = mateconf_client_get_bool (control->priv->conf, GPM_CONF_LOCK_MATE_KEYRING_SUSPEND, NULL);
+	if (lock_mate_keyring) {
+		keyres = mate_keyring_lock_all_sync ();
+		if (keyres != MATE_KEYRING_RESULT_OK)
+			egg_warning ("could not lock keyring");
+	}
+
+	do_lock = gpm_control_get_lock_policy (control, GPM_CONF_LOCK_ON_SUSPEND);
+	if (do_lock) {
+		throttle_cookie = gpm_screensaver_add_throttle (screensaver, "suspend");
+		gpm_screensaver_lock (screensaver);
+	}
+
+	nm_sleep = mateconf_client_get_bool (control->priv->conf, GPM_CONF_NETWORKMANAGER_SLEEP, NULL);
+	if (nm_sleep)
+		gpm_networkmanager_sleep ();
+
+	/* Do the suspend */
+	egg_debug ("emitting sleep");
+	g_signal_emit (control, signals [SLEEP], 0, GPM_CONTROL_ACTION_SUSPEND);
+
+	ret = up_client_suspend_sync (control->priv->client, NULL, error);
+
+	egg_debug ("emitting resume");
+	g_signal_emit (control, signals [RESUME], 0, GPM_CONTROL_ACTION_SUSPEND);
+
+	if (do_lock) {
+		gpm_screensaver_poke (screensaver);
+		if (throttle_cookie)
+			gpm_screensaver_remove_throttle (screensaver, throttle_cookie);
+	}
+
+	nm_sleep = mateconf_client_get_bool (control->priv->conf, GPM_CONF_NETWORKMANAGER_SLEEP, NULL);
+	if (nm_sleep)
+		gpm_networkmanager_wake ();
+
+out:
+	g_object_unref (screensaver);
+	return ret;
+}
+
+/**
+ * gpm_control_hibernate:
+ **/
+gboolean
+gpm_control_hibernate (GpmControl *control, GError **error)
+{
+	gboolean allowed;
+	gboolean ret = FALSE;
+	gboolean do_lock;
+	gboolean nm_sleep;
+	gboolean lock_mate_keyring;
+	MateKeyringResult keyres;
+	GpmScreensaver *screensaver;
+	guint32 throttle_cookie = 0;
+
+	screensaver = gpm_screensaver_new ();
+
+	g_object_get (control->priv->client,
+		      "can-hibernate", &allowed,
+		      NULL);
+	if (!allowed) {
+		egg_debug ("cannot hibernate as not allowed from policy");
+		g_set_error_literal (error, GPM_CONTROL_ERROR, GPM_CONTROL_ERROR_GENERAL, "Cannot hibernate");
+		goto out;
+	}
+
+	/* we should perhaps lock keyrings when sleeping #375681 */
+	lock_mate_keyring = mateconf_client_get_bool (control->priv->conf, GPM_CONF_LOCK_MATE_KEYRING_HIBERNATE, NULL);
+	if (lock_mate_keyring) {
+		keyres = mate_keyring_lock_all_sync ();
+		if (keyres != MATE_KEYRING_RESULT_OK) {
+			egg_warning ("could not lock keyring");
+		}
+	}
+
+	do_lock = gpm_control_get_lock_policy (control, GPM_CONF_LOCK_ON_HIBERNATE);
+	if (do_lock) {
+		throttle_cookie = gpm_screensaver_add_throttle (screensaver, "hibernate");
+		gpm_screensaver_lock (screensaver);
+	}
+
+	nm_sleep = mateconf_client_get_bool (control->priv->conf, GPM_CONF_NETWORKMANAGER_SLEEP, NULL);
+	if (nm_sleep)
+		gpm_networkmanager_sleep ();
+
+	egg_debug ("emitting sleep");
+	g_signal_emit (control, signals [SLEEP], 0, GPM_CONTROL_ACTION_HIBERNATE);
+
+	ret = up_client_hibernate_sync (control->priv->client, NULL, error);
+
+	egg_debug ("emitting resume");
+	g_signal_emit (control, signals [RESUME], 0, GPM_CONTROL_ACTION_HIBERNATE);
+
+	if (do_lock) {
+		gpm_screensaver_poke (screensaver);
+		if (throttle_cookie)
+			gpm_screensaver_remove_throttle (screensaver, throttle_cookie);
+	}
+
+	nm_sleep = mateconf_client_get_bool (control->priv->conf, GPM_CONF_NETWORKMANAGER_SLEEP, NULL);
+	if (nm_sleep)
+		gpm_networkmanager_wake ();
+
+out:
+	g_object_unref (screensaver);
+	return ret;
+}
+
+/**
+ * gpm_control_finalize:
+ **/
+static void
+gpm_control_finalize (GObject *object)
+{
+	GpmControl *control;
+
+	g_return_if_fail (object != NULL);
+	g_return_if_fail (GPM_IS_CONTROL (object));
+	control = GPM_CONTROL (object);
+
+	g_object_unref (control->priv->conf);
+	g_object_unref (control->priv->client);
+
+	g_return_if_fail (control->priv != NULL);
+	G_OBJECT_CLASS (gpm_control_parent_class)->finalize (object);
+}
+
+/**
+ * gpm_control_class_init:
+ **/
+static void
+gpm_control_class_init (GpmControlClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	object_class->finalize = gpm_control_finalize;
+
+	signals [RESUME] =
+		g_signal_new ("resume",
+			      G_TYPE_FROM_CLASS (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      G_STRUCT_OFFSET (GpmControlClass, resume),
+			      NULL,
+			      NULL,
+			      g_cclosure_marshal_VOID__INT,
+			      G_TYPE_NONE, 1, G_TYPE_INT);
+	signals [SLEEP] =
+		g_signal_new ("sleep",
+			      G_TYPE_FROM_CLASS (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      G_STRUCT_OFFSET (GpmControlClass, sleep),
+			      NULL,
+			      NULL,
+			      g_cclosure_marshal_VOID__INT,
+			      G_TYPE_NONE, 1, G_TYPE_INT);
+
+	g_type_class_add_private (klass, sizeof (GpmControlPrivate));
+}
+
+/**
+ * gpm_control_init:
+ * @control: This control class instance
+ **/
+static void
+gpm_control_init (GpmControl *control)
+{
+	control->priv = GPM_CONTROL_GET_PRIVATE (control);
+
+	control->priv->client = up_client_new ();
+	control->priv->conf = mateconf_client_get_default ();
+}
+
+/**
+ * gpm_control_new:
+ * Return value: A new control class instance.
+ **/
+GpmControl *
+gpm_control_new (void)
+{
+	if (gpm_control_object != NULL) {
+		g_object_ref (gpm_control_object);
+	} else {
+		gpm_control_object = g_object_new (GPM_TYPE_CONTROL, NULL);
+		g_object_add_weak_pointer (gpm_control_object, &gpm_control_object);
+	}
+	return GPM_CONTROL (gpm_control_object);
+}
+