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-rw-r--r--src/clock.cpp79
1 files changed, 67 insertions, 12 deletions
diff --git a/src/clock.cpp b/src/clock.cpp
index 748174b..6831732 100644
--- a/src/clock.cpp
+++ b/src/clock.cpp
@@ -18,6 +18,7 @@
*/
#include <datetime/clock.h>
+#include <datetime/dbus-shared.h>
#include <glib.h>
#include <gio/gio.h>
@@ -49,6 +50,14 @@ public:
on_login1_vanished,
this, nullptr);
m_watched_names.insert(tag);
+
+ tag = g_bus_watch_name(G_BUS_TYPE_SYSTEM,
+ BUS_POWERD_NAME,
+ G_BUS_NAME_WATCHER_FLAGS_NONE,
+ on_powerd_appeared,
+ on_powerd_vanished,
+ this, nullptr);
+ m_watched_names.insert(tag);
}
@@ -60,19 +69,18 @@ public:
private:
- void remember_subscription(const std::string& name,
- GDBusConnection* bus,
- guint tag)
+ void remember_subscription(const std::string & name,
+ GDBusConnection * bus,
+ guint tag)
{
- auto subscription = std::shared_ptr<GDBusConnection>(
- G_DBUS_CONNECTION(g_object_ref(bus)),
- [tag](GDBusConnection* bus){
- g_dbus_connection_signal_unsubscribe(bus, tag);
- g_object_unref(G_OBJECT(bus));
- }
- );
-
- m_subscriptions[name].push_back(subscription);
+ g_object_ref(bus);
+
+ auto deleter = [tag](GDBusConnection* bus){
+ g_dbus_connection_signal_unsubscribe(bus, tag);
+ g_object_unref(G_OBJECT(bus));
+ };
+
+ m_subscriptions[name].push_back(std::shared_ptr<GDBusConnection>(bus, deleter));
}
/**
@@ -115,6 +123,53 @@ private:
GVariant* /*parameters*/,
gpointer gself)
{
+ g_debug("firing clock.minute_changed() due to PrepareForSleep");
+ static_cast<Impl*>(gself)->m_owner.minute_changed();
+ }
+
+ /**
+ *** DBus Chatter: com.canonical.powerd
+ ***
+ *** Fire Clock::minute_changed() signal when powerd says the system's
+ *** has awoken from sleep -- the old timestamp is likely out-of-date
+ **/
+
+ static void on_powerd_appeared(GDBusConnection * bus,
+ const gchar * name,
+ const gchar * name_owner,
+ gpointer gself)
+ {
+ auto tag = g_dbus_connection_signal_subscribe(bus,
+ name_owner,
+ BUS_POWERD_INTERFACE,
+ "Wakeup", // signal name
+ BUS_POWERD_PATH,
+ nullptr, // arg0
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ on_wakeup,
+ gself, // user_data
+ nullptr); // user_data closure
+
+
+ static_cast<Impl*>(gself)->remember_subscription(name, bus, tag);
+ }
+
+ static void on_powerd_vanished(GDBusConnection * /*bus*/,
+ const gchar * name,
+ gpointer gself)
+ {
+ static_cast<Impl*>(gself)->m_subscriptions[name].clear();
+ }
+
+ static void on_wakeup(GDBusConnection* /*connection*/,
+ const gchar* /*sender_name*/,
+ const gchar* /*object_path*/,
+ const gchar* /*interface_name*/,
+ const gchar* /*signal_name*/,
+ GVariant* /*parameters*/,
+ gpointer gself)
+ {
+ g_debug("firing clock.minute_changed() due to powerd.Wakeup");
static_cast<Impl*>(gself)->m_owner.minute_changed();
}