Commit 387b5397 authored by Giovanni Campagna's avatar Giovanni Campagna
Browse files

MetaIdleMonitor: add a DBus interface for the idle monitor

To allow other clients (gnome-session, gnome-settings-daemon)
to monitor user activity, introduce a DBus interface for the
idle monitor inside mutter.

https://bugzilla.gnome.org/show_bug.cgi?id=706005
parent c63e5f75
......@@ -30,8 +30,9 @@ INCLUDES= \
-DGETTEXT_PACKAGE=\"$(GETTEXT_PACKAGE)\"
mutter_built_sources = \
$(dbus_idle_built_sources) \
$(dbus_xrandr_built_sources) \
mutter-enum-types.h \
mutter-enum-types.h \
mutter-enum-types.c
libmutter_la_SOURCES = \
......@@ -342,8 +343,18 @@ mutter-enum-types.c: stamp-mutter-enum-types.h mutter-enum-types.c.in
dbus_xrandr_built_sources = meta-dbus-xrandr.c meta-dbus-xrandr.h
$(dbus_xrandr_built_sources) : Makefile.am xrandr.xml
$(AM_V_GEN)gdbus-codegen \
$(AM_V_GEN)gdbus-codegen \
--interface-prefix org.gnome.Mutter \
--c-namespace MetaDBus \
--generate-c-code meta-dbus-xrandr \
$(srcdir)/xrandr.xml
dbus_idle_built_sources = meta-dbus-idle-monitor.c meta-dbus-idle-monitor.h
$(dbus_idle_built_sources) : Makefile.am idle-monitor.xml
$(AM_V_GEN)gdbus-codegen \
--interface-prefix org.gnome.Mutter \
--c-namespace MetaDBus \
--generate-c-code meta-dbus-idle-monitor \
--c-generate-object-manager \
idle-monitor.xml
......@@ -975,8 +975,10 @@ meta_display_open (void)
meta_error_trap_pop (the_display);
}
meta_display_ungrab (the_display);
meta_idle_monitor_init_dbus ();
meta_display_ungrab (the_display);
/* Done opening new display */
the_display->display_opening = FALSE;
......@@ -2265,8 +2267,8 @@ event_callback (XEvent *event,
meta_window_update_sync_request_counter (alarm_window, new_counter_value);
filter_out_event = TRUE; /* GTK doesn't want to see this really */
}
meta_idle_monitor_handle_xevent_all (event);
else
meta_idle_monitor_handle_xevent_all (event);
}
#endif /* HAVE_XSYNC */
......
......@@ -27,3 +27,4 @@
void meta_idle_monitor_handle_xevent_all (XEvent *xevent);
void meta_idle_monitor_init_dbus (void);
......@@ -40,6 +40,7 @@
#include <meta/meta-idle-monitor.h>
#include "display-private.h"
#include "meta-idle-monitor-private.h"
#include "meta-dbus-idle-monitor.h"
G_STATIC_ASSERT(sizeof(unsigned long) == sizeof(gpointer));
......@@ -596,3 +597,261 @@ meta_idle_monitor_get_idletime (MetaIdleMonitor *monitor)
return _xsyncvalue_to_int64 (value);
}
static gboolean
handle_get_idletime (MetaDBusIdleMonitor *skeleton,
GDBusMethodInvocation *invocation,
MetaIdleMonitor *monitor)
{
guint64 idletime;
idletime = meta_idle_monitor_get_idletime (monitor);
meta_dbus_idle_monitor_complete_get_idletime (skeleton, invocation, idletime);
return TRUE;
}
typedef struct {
MetaDBusIdleMonitor *dbus_monitor;
MetaIdleMonitor *monitor;
char *dbus_name;
guint watch_id;
guint name_watcher_id;
} DBusWatch;
static void
destroy_dbus_watch (gpointer data)
{
DBusWatch *watch = data;
g_object_unref (watch->dbus_monitor);
g_object_unref (watch->monitor);
g_free (watch->dbus_name);
g_bus_unwatch_name (watch->name_watcher_id);
g_slice_free (DBusWatch, watch);
}
static void
dbus_idle_callback (MetaIdleMonitor *monitor,
guint watch_id,
gpointer user_data)
{
DBusWatch *watch = user_data;
GDBusInterfaceSkeleton *skeleton = G_DBUS_INTERFACE_SKELETON (watch->dbus_monitor);
g_dbus_connection_emit_signal (g_dbus_interface_skeleton_get_connection (skeleton),
watch->dbus_name,
g_dbus_interface_skeleton_get_object_path (skeleton),
"org.gnome.Mutter.IdleMonitor",
"WatchFired",
g_variant_new ("(u)", watch_id),
NULL);
}
static void
name_vanished_callback (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
DBusWatch *watch = user_data;
meta_idle_monitor_remove_watch (watch->monitor, watch->watch_id);
}
static DBusWatch *
make_dbus_watch (MetaDBusIdleMonitor *skeleton,
GDBusMethodInvocation *invocation,
MetaIdleMonitor *monitor)
{
DBusWatch *watch;
watch = g_slice_new (DBusWatch);
watch->dbus_monitor = g_object_ref (skeleton);
watch->monitor = g_object_ref (monitor);
watch->dbus_name = g_strdup (g_dbus_method_invocation_get_sender (invocation));
watch->name_watcher_id = g_bus_watch_name_on_connection (g_dbus_method_invocation_get_connection (invocation),
watch->dbus_name,
G_BUS_NAME_WATCHER_FLAGS_NONE,
NULL, /* appeared */
name_vanished_callback,
watch, NULL);
return watch;
}
static gboolean
handle_add_idle_watch (MetaDBusIdleMonitor *skeleton,
GDBusMethodInvocation *invocation,
guint64 interval,
MetaIdleMonitor *monitor)
{
DBusWatch *watch;
watch = make_dbus_watch (skeleton, invocation, monitor);
watch->watch_id = meta_idle_monitor_add_idle_watch (monitor, interval,
dbus_idle_callback, watch, destroy_dbus_watch);
meta_dbus_idle_monitor_complete_add_idle_watch (skeleton, invocation, watch->watch_id);
return TRUE;
}
static gboolean
handle_add_user_active_watch (MetaDBusIdleMonitor *skeleton,
GDBusMethodInvocation *invocation,
MetaIdleMonitor *monitor)
{
DBusWatch *watch;
watch = make_dbus_watch (skeleton, invocation, monitor);
watch->watch_id = meta_idle_monitor_add_user_active_watch (monitor,
dbus_idle_callback, watch,
destroy_dbus_watch);
meta_dbus_idle_monitor_complete_add_user_active_watch (skeleton, invocation, watch->watch_id);
return TRUE;
}
static gboolean
handle_remove_watch (MetaDBusIdleMonitor *skeleton,
GDBusMethodInvocation *invocation,
guint id,
MetaIdleMonitor *monitor)
{
meta_idle_monitor_remove_watch (monitor, id);
meta_dbus_idle_monitor_complete_remove_watch (skeleton, invocation);
return TRUE;
}
static void
create_monitor_skeleton (GDBusObjectManagerServer *manager,
MetaIdleMonitor *monitor,
const char *path)
{
MetaDBusIdleMonitor *skeleton;
MetaDBusObjectSkeleton *object;
skeleton = meta_dbus_idle_monitor_skeleton_new ();
g_signal_connect_object (skeleton, "handle-add-idle-watch",
G_CALLBACK (handle_add_idle_watch), monitor, 0);
g_signal_connect_object (skeleton, "handle-add-user-active-watch",
G_CALLBACK (handle_add_user_active_watch), monitor, 0);
g_signal_connect_object (skeleton, "handle-remove-watch",
G_CALLBACK (handle_remove_watch), monitor, 0);
g_signal_connect_object (skeleton, "handle-get-idletime",
G_CALLBACK (handle_get_idletime), monitor, 0);
object = meta_dbus_object_skeleton_new (path);
meta_dbus_object_skeleton_set_idle_monitor (object, skeleton);
g_dbus_object_manager_server_export (manager, G_DBUS_OBJECT_SKELETON (object));
}
static void
on_device_added (ClutterDeviceManager *device_manager,
ClutterInputDevice *device,
GDBusObjectManagerServer *manager)
{
MetaIdleMonitor *monitor;
int device_id;
char *path;
device_id = clutter_input_device_get_device_id (device);
monitor = meta_idle_monitor_get_for_device (device_id);
path = g_strdup_printf ("/org/gnome/Mutter/IdleMonitor/Device%d", device_id);
create_monitor_skeleton (manager, monitor, path);
g_free (path);
}
static void
on_device_removed (ClutterDeviceManager *device_manager,
ClutterInputDevice *device,
GDBusObjectManagerServer *manager)
{
int device_id;
char *path;
device_id = clutter_input_device_get_device_id (device);
path = g_strdup_printf ("/org/gnome/Mutter/IdleMonitor/Device%d", device_id);
g_dbus_object_manager_server_unexport (manager, path);
g_free (path);
g_clear_object (&device_monitors[device_id]);
if (device_id == device_id_max)
device_id_max--;
}
static void
on_bus_acquired (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
GDBusObjectManagerServer *manager;
ClutterDeviceManager *device_manager;
MetaIdleMonitor *monitor;
GSList *devices, *iter;
char *path;
manager = g_dbus_object_manager_server_new ("/org/gnome/Mutter/IdleMonitor");
/* We never clear the core monitor, as that's supposed to cumulate idle times from
all devices */
monitor = meta_idle_monitor_get_core ();
path = g_strdup ("/org/gnome/Mutter/IdleMonitor/Core");
create_monitor_skeleton (manager, monitor, path);
g_free (path);
device_manager = clutter_device_manager_get_default ();
devices = clutter_device_manager_list_devices (device_manager);
for (iter = devices; iter; iter = iter->next)
on_device_added (device_manager, iter->data, manager);
g_signal_connect_object (device_manager, "device-added",
G_CALLBACK (on_device_added), manager, 0);
g_signal_connect_object (device_manager, "device-removed",
G_CALLBACK (on_device_removed), manager, 0);
g_dbus_object_manager_server_set_connection (manager, connection);
}
static void
on_name_acquired (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
meta_verbose ("Acquired name %s\n", name);
}
static void
on_name_lost (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
meta_verbose ("Lost or failed to acquire name %s\n", name);
}
void
meta_idle_monitor_init_dbus (void)
{
static int dbus_name_id;
if (dbus_name_id > 0)
return;
dbus_name_id = g_bus_own_name (G_BUS_TYPE_SESSION,
"org.gnome.Mutter.IdleMonitor",
G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
(meta_get_replace_current_wm () ?
G_BUS_NAME_OWNER_FLAGS_REPLACE : 0),
on_bus_acquired,
on_name_acquired,
on_name_lost,
NULL, NULL);
}
<!DOCTYPE node PUBLIC
'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'
'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>
<node>
<!--
org.gnome.Mutter.IdleMonitor:
@short_description: idle monitor interface
This interface is used by gnome-desktop to implement
user activity monitoring.
-->
<interface name="org.gnome.Mutter.IdleMonitor">
<method name="GetIdletime">
<arg name="idletime" direction="out" type="t"/>
</method>
<method name="AddIdleWatch">
<arg name="interval" direction="in" type="t" />
<arg name="id" direction="out" type="u" />
</method>
<method name="AddUserActiveWatch">
<arg name="id" direction="out" type="u" />
</method>
<method name="RemoveWatch">
<arg name="id" direction="in" type="u" />
</method>
<signal name="WatchFired">
<arg name="id" direction="out" type="u" />
</signal>
</interface>
</node>
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