[gnome-settings-daemon] power: Create an idletime watcher to track X idle status

[Richard Hughes <rhughes src gnome org>]

commit 95807b3467dd96997d2f1c5c1ca403774ad9b1ee
Author: Richard Hughes <richard hughsie com>
Date:   Wed Jul 6 13:57:50 2011 +0100

    power: Create an idletime watcher to track X idle status

 plugins/power/Makefile.am         |    2 ++
 plugins/power/gsd-power-manager.c |   33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/plugins/power/Makefile.am b/plugins/power/Makefile.am
index f71dca2..97968dd 100644
--- a/plugins/power/Makefile.am
+++ b/plugins/power/Makefile.am
@@ -8,6 +8,8 @@ libpower_la_SOURCES = 					\
 	gpm-common.h					\
 	gpm-phone.c					\
 	gpm-phone.h					\
+	gpm-idletime.c					\
+	gpm-idletime.h					\
 	gsd-power-manager.c				\
 	gsd-power-manager.h				\
 	gsd-power-plugin.c				\
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index b1d758f..6856c71 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -35,6 +35,7 @@
 
 #include "gpm-common.h"
 #include "gpm-phone.h"
+#include "gpm-idletime.h"
 #include "gnome-settings-profile.h"
 #include "gsd-enums.h"
 #include "gsd-power-manager.h"
@@ -73,6 +74,8 @@
 #define GSD_POWER_MANAGER_CRITICAL_ALERT_TIMEOUT        5 /* seconds */
 #define GSD_POWER_MANAGER_RECALL_DELAY                  30 /* seconds */
 
+#define GSD_POWER_IDLETIME_ID                           1 /* counter id */
+
 static const gchar introspection_xml[] =
 "<node>"
   "<interface name='org.gnome.SettingsDaemon.Power'>"
@@ -159,6 +162,8 @@ struct GsdPowerManagerPrivate
         GDBusProxy              *screensaver_proxy;
         GDBusProxy              *session_proxy;
         GDBusProxy              *session_presence_proxy;
+        GpmIdletime             *idletime;
+        gboolean                 x_idle;
 };
 
 enum {
@@ -2312,6 +2317,23 @@ upower_notify_resume_cb (UpClient *client,
 }
 
 static void
+idle_idletime_alarm_expired_cb (GpmIdletime *idletime,
+                                guint alarm_id,
+                                GsdPowerManager *manager)
+{
+        g_debug ("idletime alarm: %i", alarm_id);
+        manager->priv->x_idle = TRUE;
+}
+
+static void
+idle_idletime_reset_cb (GpmIdletime *idletime,
+                        GsdPowerManager *manager)
+{
+        g_debug ("idletime reset");
+        manager->priv->x_idle = FALSE;
+}
+
+static void
 gsd_power_manager_init (GsdPowerManager *manager)
 {
         manager->priv = GSD_POWER_MANAGER_GET_PRIVATE (manager);
@@ -2418,6 +2440,13 @@ gsd_power_manager_init (GsdPowerManager *manager)
         /* we can disable this if the time remaining is inaccurate or just plain wrong */
         manager->priv->use_time_primary = g_settings_get_boolean (manager->priv->settings,
                                                                   "use-time-for-policy");
+
+        /* create IDLETIME watcher */
+        manager->priv->idletime = gpm_idletime_new ();
+        g_signal_connect (manager->priv->idletime, "reset",
+                          G_CALLBACK (idle_idletime_reset_cb), manager);
+        g_signal_connect (manager->priv->idletime, "alarm-expired",
+                          G_CALLBACK (idle_idletime_alarm_expired_cb), manager);
 }
 
 static void
@@ -2454,6 +2483,10 @@ gsd_power_manager_finalize (GObject *object)
         if (manager->priv->critical_alert_timeout_id > 0)
                 g_source_remove (manager->priv->critical_alert_timeout_id);
 
+        gpm_idletime_alarm_remove (manager->priv->idletime,
+                                   GSD_POWER_IDLETIME_ID);
+        g_object_unref (manager->priv->idletime);
+
         G_OBJECT_CLASS (gsd_power_manager_parent_class)->finalize (object);
 }