From 9da0c6c713c9cba1ddef33d599888fce16b79482 Mon Sep 17 00:00:00 2001
From: Will Thompson <will.thompson@collabora.co.uk>
Date: Fri, 23 Sep 2011 12:24:36 +0100
Subject: Connectivity: go offline when laptop suspends.

Woop woop.
---
 src/Makefile.am            |  5 +++-
 src/connectivity-monitor.c | 70 +++++++++++++++++++++++++++++++++++++++++++++-
 src/kludge-transport.c     |  2 +-
 3 files changed, 74 insertions(+), 3 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 61de2bde..781bdef3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,6 +4,7 @@ INCLUDES = \
 	   $(GLIB_CFLAGS) \
 	   $(NETWORK_MANAGER_CFLAGS) \
 	   $(CONNMAN_CFLAGS) \
+	   $(UPOWER_GLIB_CFLAGS) \
 	   -DG_LOG_DOMAIN=\"mcd\" \
 	   -DMCD_PLUGIN_LOADER_DIR=\"@libdir@/mission-control-plugins.@MCP_ABI_VERSION@\" \
 	   -DMC_DISABLE_DEPRECATED -I$(top_srcdir)
@@ -101,7 +102,9 @@ libmcd_convenience_la_LIBADD = \
 	$(DBUS_LIBS) \
 	$(GLIB_LIBS) \
 	$(NETWORK_MANAGER_LIBS) \
-	$(CONNMAN_LIBS)
+	$(CONNMAN_LIBS) \
+	$(UPOWER_GLIB_LIBS) \
+	$(NULL)
 
 if ENABLE_GNOME_KEYRING
 libmcd_convenience_la_LIBADD += $(GNOME_KEYRING_LIBS)
diff --git a/src/connectivity-monitor.c b/src/connectivity-monitor.c
index 3235f776..0756d5a9 100644
--- a/src/connectivity-monitor.c
+++ b/src/connectivity-monitor.c
@@ -38,6 +38,10 @@
 #include <dbus/dbus-glib.h>
 #endif
 
+#ifdef HAVE_UPOWER
+#include <upower.h>
+#endif
+
 #include <telepathy-glib/util.h>
 
 #include "mcd-debug.h"
@@ -52,8 +56,15 @@ struct _McdConnectivityMonitorPrivate {
   DBusGProxy *proxy;
 #endif
 
+#ifdef HAVE_UPOWER
+  UpClient *upower_client;
+#endif
+
   gboolean connected;
   gboolean use_conn;
+
+  /* TRUE if the device is not suspended; FALSE while it is. */
+  gboolean awake;
 };
 
 enum {
@@ -85,7 +96,23 @@ connectivity_monitor_change_state (McdConnectivityMonitor *connectivity_monitor,
   priv->connected = new_state;
 
   g_signal_emit (connectivity_monitor, signals[STATE_CHANGE], 0,
-      priv->connected);
+      priv->connected && priv->awake);
+}
+
+static void
+connectivity_monitor_set_awake (
+    McdConnectivityMonitor *self,
+    gboolean awake)
+{
+  McdConnectivityMonitorPrivate *priv = self->priv;
+
+  if (priv->awake == awake)
+    return;
+
+  priv->awake = awake;
+
+  g_signal_emit (self, signals[STATE_CHANGE], 0,
+      priv->connected && priv->awake);
 }
 
 #ifdef HAVE_NM
@@ -181,6 +208,32 @@ connectivity_monitor_connman_check_state (McdConnectivityMonitor *connectivity_m
 }
 #endif
 
+#ifdef HAVE_UPOWER
+static void
+notify_sleep_cb (
+    UpClient *upower_client,
+    UpSleepKind sleep_kind,
+    gpointer user_data)
+{
+  McdConnectivityMonitor *self = MCD_CONNECTIVITY_MONITOR (user_data);
+
+  DEBUG ("about to sleep! sleep_kind=%s", up_sleep_kind_to_string (sleep_kind));
+  connectivity_monitor_set_awake (self, FALSE);
+}
+
+static void
+notify_resume_cb (
+    UpClient *upower_client,
+    UpSleepKind sleep_kind,
+    gpointer user_data)
+{
+  McdConnectivityMonitor *self = MCD_CONNECTIVITY_MONITOR (user_data);
+
+  DEBUG ("woke up! sleep_kind=%s", up_sleep_kind_to_string (sleep_kind));
+  connectivity_monitor_set_awake (self, TRUE);
+}
+#endif
+
 static void
 mcd_connectivity_monitor_init (McdConnectivityMonitor *connectivity_monitor)
 {
@@ -196,6 +249,7 @@ mcd_connectivity_monitor_init (McdConnectivityMonitor *connectivity_monitor)
   connectivity_monitor->priv = priv;
 
   priv->use_conn = TRUE;
+  priv->awake = TRUE;
 
 #ifdef HAVE_NM
   priv->nm_client = nm_client_new ();
@@ -244,6 +298,16 @@ mcd_connectivity_monitor_init (McdConnectivityMonitor *connectivity_monitor)
 #if !defined(HAVE_NM) && !defined(HAVE_CONNMAN)
   priv->connected = TRUE;
 #endif
+
+#ifdef HAVE_UPOWER
+  priv->upower_client = up_client_new ();
+  tp_g_signal_connect_object (priv->upower_client,
+      "notify-sleep", G_CALLBACK (notify_sleep_cb), connectivity_monitor,
+      G_CONNECT_AFTER);
+  tp_g_signal_connect_object (priv->upower_client,
+      "notify-resume", G_CALLBACK (notify_resume_cb), connectivity_monitor,
+      G_CONNECT_AFTER);
+#endif
 }
 
 static void
@@ -277,6 +341,10 @@ connectivity_monitor_finalize (GObject *object)
     }
 #endif
 
+#ifdef HAVE_UPOWER
+  tp_clear_object (&priv->upower_client);
+#endif
+
   G_OBJECT_CLASS (mcd_connectivity_monitor_parent_class)->finalize (object);
 }
 
diff --git a/src/kludge-transport.c b/src/kludge-transport.c
index 54717bb4..67d5b234 100644
--- a/src/kludge-transport.c
+++ b/src/kludge-transport.c
@@ -75,7 +75,7 @@ mcd_kludge_transport_constructed (GObject *object)
 
   priv->minotaur = mcd_connectivity_monitor_new ();
   tp_g_signal_connect_object (priv->minotaur, "state-change",
-      (GCallback) monitor_state_changed_cb, self, G_CONNECT_AFTER);
+      (GCallback) monitor_state_changed_cb, self, 0);
 
   /* We just use ourself as the McdTransport pointer... */
   priv->transports = g_list_prepend (NULL, self);
-- 
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