[mutter/wip/wayland-work: 58/63] MetaIdleMonitor: add a DBus interface for the idle monitor
- From: Giovanni Campagna <gcampagna src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [mutter/wip/wayland-work: 58/63] MetaIdleMonitor: add a DBus interface for the idle monitor
- Date: Wed, 21 Aug 2013 16:24:46 +0000 (UTC)
commit 27234f908022df1bd15b7a56af36c16b518633e6
Author: Giovanni Campagna <gcampagn redhat com>
Date: Wed Aug 14 13:51:05 2013 +0200
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
src/Makefile.am | 13 ++-
src/core/meta-idle-monitor-private.h | 1 +
src/core/meta-idle-monitor.c | 230 ++++++++++++++++++++++++++++++++++
src/core/screen.c | 3 +
src/idle-monitor.xml | 35 +++++
5 files changed, 281 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index cd9e10d..639c051 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -36,6 +36,7 @@ INCLUDES += \
-DXWAYLAND_PATH='"@XWAYLAND_PATH@"'
mutter_built_sources = \
+ $(dbus_idle_built_sources) \
$(dbus_xrandr_built_sources) \
mutter-enum-types.h \
mutter-enum-types.c \
@@ -377,12 +378,22 @@ 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 \
+ $(srcdir)/idle-monitor.xml
+
wayland/%-protocol.c : $(top_builddir)/protocol/%.xml
mkdir -p wayland
$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
diff --git a/src/core/meta-idle-monitor-private.h b/src/core/meta-idle-monitor-private.h
index f0f5935..40608ff 100644
--- a/src/core/meta-idle-monitor-private.h
+++ b/src/core/meta-idle-monitor-private.h
@@ -28,3 +28,4 @@ void meta_idle_monitor_handle_xevent_all (XEvent *xevent);
void meta_idle_monitor_reset_idletime (MetaIdleMonitor *monitor);
+void meta_idle_monitor_init_dbus (void);
diff --git a/src/core/meta-idle-monitor.c b/src/core/meta-idle-monitor.c
index a2fba4c..4b1ac28 100644
--- a/src/core/meta-idle-monitor.c
+++ b/src/core/meta-idle-monitor.c
@@ -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));
@@ -700,3 +701,232 @@ meta_idle_monitor_reset_idletime (MetaIdleMonitor *monitor)
g_list_foreach (closure.fired_watches, fire_wayland_watch, NULL);
g_list_free (closure.fired_watches);
}
+
+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
+on_device_added (ClutterDeviceManager *device_manager,
+ ClutterInputDevice *device,
+ GDBusObjectManagerServer *manager)
+{
+ MetaDBusIdleMonitor *skeleton;
+ MetaIdleMonitor *monitor;
+ MetaDBusObjectSkeleton *object;
+ int device_id;
+ gboolean is_core;
+ char *path;
+
+ is_core = clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER;
+
+ if (is_core)
+ {
+ monitor = meta_idle_monitor_get_core ();
+ path = g_strdup ("/org/gnome/Mutter/IdleMonitor/Core");
+ }
+ else
+ {
+ 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);
+ }
+
+ 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_bus_acquired (GDBusConnection *connection,
+ const char *name,
+ gpointer user_data)
+{
+ GDBusObjectManagerServer *manager;
+ ClutterDeviceManager *device_manager;
+ GSList *devices, *iter;
+
+ manager = g_dbus_object_manager_server_new ("/org/gnome/Mutter/IdleMonitor");
+
+ 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_dbus_object_manager_server_set_connection (manager, g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL));
+}
+
+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);
+}
+
diff --git a/src/core/screen.c b/src/core/screen.c
index ee91329..ee7e080 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -47,6 +47,7 @@
#include "core.h"
#include "meta-wayland-private.h"
#include "meta-cursor-tracker-private.h"
+#include "meta-idle-monitor-private.h"
#include <X11/extensions/Xinerama.h>
@@ -687,6 +688,8 @@ meta_screen_new (MetaDisplay *display,
&screen->rect.width,
&screen->rect.height);
+ meta_idle_monitor_init_dbus ();
+
screen->current_cursor = -1; /* invalid/unset */
screen->default_xvisual = DefaultVisualOfScreen (screen->xscreen);
screen->default_depth = DefaultDepthOfScreen (screen->xscreen);
diff --git a/src/idle-monitor.xml b/src/idle-monitor.xml
new file mode 100644
index 0000000..34a26dd
--- /dev/null
+++ b/src/idle-monitor.xml
@@ -0,0 +1,35 @@
+<!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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