18d670e69f
This object takes over the functionality of meta-idle-monitor-dbus.c, meta-idle-monitor.c and meta-backend.c, all related to higher level management of idle watches etc. The idle D-Bus API is changed to be initialized by the backend instead of MetaDisplay, as it's more of a backend functionality than what MetaDisplay usually deals with. It also takes over the work of implementing "core" idle monitors. The singleton API is replaced with thin wrapper functions on the backend. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1859>
376 lines
12 KiB
C
376 lines
12 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright 2013-2021 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Adapted from gnome-session/gnome-session/gs-idle-monitor.c and
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* from gnome-desktop/libgnome-desktop/gnome-idle-monitor.c
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*/
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#include "config.h"
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#include "backends/meta-idle-manager.h"
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#include "backends/meta-idle-monitor-private.h"
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#include "clutter/clutter.h"
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#include "meta/main.h"
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#include "meta/meta-idle-monitor.h"
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#include "meta/util.h"
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#include "meta-dbus-idle-monitor.h"
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typedef struct _MetaIdleManager
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{
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MetaBackend *backend;
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guint dbus_name_id;
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GHashTable *device_monitors;
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} MetaIdleManager;
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static gboolean
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handle_get_idletime (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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MetaIdleMonitor *monitor)
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{
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guint64 idletime;
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idletime = meta_idle_monitor_get_idletime (monitor);
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meta_dbus_idle_monitor_complete_get_idletime (skeleton, invocation, idletime);
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return TRUE;
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}
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static gboolean
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handle_reset_idletime (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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MetaIdleMonitor *monitor)
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{
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if (!g_getenv ("MUTTER_DEBUG_RESET_IDLETIME"))
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{
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g_dbus_method_invocation_return_error_literal (invocation,
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G_DBUS_ERROR,
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G_DBUS_ERROR_UNKNOWN_METHOD,
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"This method is for testing purposes only. MUTTER_DEBUG_RESET_IDLETIME must be set to use it");
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return TRUE;
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}
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meta_idle_manager_reset_idle_time (meta_idle_monitor_get_manager (monitor));
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meta_dbus_idle_monitor_complete_reset_idletime (skeleton, invocation);
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return TRUE;
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}
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typedef struct {
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MetaDBusIdleMonitor *dbus_monitor;
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MetaIdleMonitor *monitor;
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char *dbus_name;
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guint watch_id;
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guint name_watcher_id;
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} DBusWatch;
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static void
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destroy_dbus_watch (gpointer data)
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{
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DBusWatch *watch = data;
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g_object_unref (watch->dbus_monitor);
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g_object_unref (watch->monitor);
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g_free (watch->dbus_name);
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g_bus_unwatch_name (watch->name_watcher_id);
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g_free (watch);
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}
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static void
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dbus_idle_callback (MetaIdleMonitor *monitor,
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guint watch_id,
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gpointer user_data)
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{
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DBusWatch *watch = user_data;
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GDBusInterfaceSkeleton *skeleton = G_DBUS_INTERFACE_SKELETON (watch->dbus_monitor);
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g_dbus_connection_emit_signal (g_dbus_interface_skeleton_get_connection (skeleton),
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watch->dbus_name,
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g_dbus_interface_skeleton_get_object_path (skeleton),
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"org.gnome.Mutter.IdleMonitor",
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"WatchFired",
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g_variant_new ("(u)", watch_id),
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NULL);
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}
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static void
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name_vanished_callback (GDBusConnection *connection,
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const char *name,
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gpointer user_data)
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{
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DBusWatch *watch = user_data;
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meta_idle_monitor_remove_watch (watch->monitor, watch->watch_id);
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}
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static DBusWatch *
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make_dbus_watch (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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MetaIdleMonitor *monitor)
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{
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DBusWatch *watch;
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watch = g_new0 (DBusWatch, 1);
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watch->dbus_monitor = g_object_ref (skeleton);
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watch->monitor = g_object_ref (monitor);
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watch->dbus_name = g_strdup (g_dbus_method_invocation_get_sender (invocation));
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watch->name_watcher_id = g_bus_watch_name_on_connection (g_dbus_method_invocation_get_connection (invocation),
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watch->dbus_name,
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G_BUS_NAME_WATCHER_FLAGS_NONE,
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NULL, /* appeared */
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name_vanished_callback,
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watch, NULL);
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return watch;
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}
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static gboolean
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handle_add_idle_watch (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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guint64 interval,
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MetaIdleMonitor *monitor)
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{
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DBusWatch *watch;
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watch = make_dbus_watch (skeleton, invocation, monitor);
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watch->watch_id = meta_idle_monitor_add_idle_watch (monitor, interval,
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dbus_idle_callback, watch, destroy_dbus_watch);
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meta_dbus_idle_monitor_complete_add_idle_watch (skeleton, invocation, watch->watch_id);
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return TRUE;
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}
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static gboolean
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handle_add_user_active_watch (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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MetaIdleMonitor *monitor)
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{
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DBusWatch *watch;
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watch = make_dbus_watch (skeleton, invocation, monitor);
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watch->watch_id = meta_idle_monitor_add_user_active_watch (monitor,
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dbus_idle_callback, watch,
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destroy_dbus_watch);
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meta_dbus_idle_monitor_complete_add_user_active_watch (skeleton, invocation, watch->watch_id);
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return TRUE;
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}
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static gboolean
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handle_remove_watch (MetaDBusIdleMonitor *skeleton,
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GDBusMethodInvocation *invocation,
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guint id,
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MetaIdleMonitor *monitor)
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{
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meta_idle_monitor_remove_watch (monitor, id);
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meta_dbus_idle_monitor_complete_remove_watch (skeleton, invocation);
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return TRUE;
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}
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static void
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create_monitor_skeleton (GDBusObjectManagerServer *manager,
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MetaIdleMonitor *monitor,
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const char *path)
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{
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MetaDBusIdleMonitor *skeleton;
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MetaDBusObjectSkeleton *object;
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skeleton = meta_dbus_idle_monitor_skeleton_new ();
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g_signal_connect (skeleton, "handle-add-idle-watch",
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G_CALLBACK (handle_add_idle_watch), monitor);
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g_signal_connect (skeleton, "handle-add-user-active-watch",
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G_CALLBACK (handle_add_user_active_watch), monitor);
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g_signal_connect (skeleton, "handle-remove-watch",
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G_CALLBACK (handle_remove_watch), monitor);
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g_signal_connect (skeleton, "handle-reset-idletime",
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G_CALLBACK (handle_reset_idletime), monitor);
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g_signal_connect (skeleton, "handle-get-idletime",
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G_CALLBACK (handle_get_idletime), monitor);
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object = meta_dbus_object_skeleton_new (path);
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meta_dbus_object_skeleton_set_idle_monitor (object, skeleton);
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g_dbus_object_manager_server_export (manager, G_DBUS_OBJECT_SKELETON (object));
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g_object_unref (skeleton);
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g_object_unref (object);
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}
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static void
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on_bus_acquired (GDBusConnection *connection,
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const char *name,
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gpointer user_data)
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{
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MetaIdleManager *manager = user_data;
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GDBusObjectManagerServer *object_manager;
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MetaIdleMonitor *monitor;
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char *path;
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object_manager = g_dbus_object_manager_server_new ("/org/gnome/Mutter/IdleMonitor");
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/* We never clear the core monitor, as that's supposed to cumulate idle times from
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all devices */
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monitor = meta_idle_manager_get_core_monitor (manager);
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path = g_strdup ("/org/gnome/Mutter/IdleMonitor/Core");
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create_monitor_skeleton (object_manager, monitor, path);
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g_free (path);
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g_dbus_object_manager_server_set_connection (object_manager, connection);
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}
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static void
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on_name_acquired (GDBusConnection *connection,
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const char *name,
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gpointer user_data)
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{
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meta_verbose ("Acquired name %s", name);
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}
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static void
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on_name_lost (GDBusConnection *connection,
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const char *name,
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gpointer user_data)
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{
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meta_verbose ("Lost or failed to acquire name %s", name);
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}
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MetaIdleMonitor *
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meta_idle_manager_get_monitor (MetaIdleManager *idle_manager,
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ClutterInputDevice *device)
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{
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return g_hash_table_lookup (idle_manager->device_monitors, device);
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}
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MetaIdleMonitor *
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meta_idle_manager_get_core_monitor (MetaIdleManager *idle_manager)
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{
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MetaBackend *backend = meta_get_backend ();
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ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
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ClutterSeat *seat = clutter_backend_get_default_seat (clutter_backend);
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return meta_backend_get_idle_monitor (backend,
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clutter_seat_get_pointer (seat));
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}
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void
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meta_idle_manager_reset_idle_time (MetaIdleManager *idle_manager)
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{
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MetaIdleMonitor *core_monitor;
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core_monitor = meta_idle_manager_get_core_monitor (idle_manager);
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meta_idle_monitor_reset_idletime (core_monitor);
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}
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static void
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create_device_monitor (MetaIdleManager *idle_manager,
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ClutterInputDevice *device)
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{
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MetaIdleMonitor *idle_monitor;
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if (g_hash_table_contains (idle_manager->device_monitors, device))
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return;
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idle_monitor = meta_idle_monitor_new (idle_manager, device);
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g_hash_table_insert (idle_manager->device_monitors, device, idle_monitor);
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}
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static void
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on_device_added (ClutterSeat *seat,
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ClutterInputDevice *device,
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gpointer user_data)
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{
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MetaIdleManager *idle_manager = user_data;
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create_device_monitor (idle_manager, device);
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}
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static void
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on_device_removed (ClutterSeat *seat,
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ClutterInputDevice *device,
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gpointer user_data)
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{
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MetaIdleManager *idle_manager = user_data;
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g_hash_table_remove (idle_manager->device_monitors, device);
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}
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static void
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create_device_monitors (MetaIdleManager *idle_manager,
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ClutterSeat *seat)
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{
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GList *l, *devices;
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create_device_monitor (idle_manager, clutter_seat_get_pointer (seat));
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create_device_monitor (idle_manager, clutter_seat_get_keyboard (seat));
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devices = clutter_seat_list_devices (seat);
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for (l = devices; l; l = l->next)
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{
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ClutterInputDevice *device = l->data;
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create_device_monitor (idle_manager, device);
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}
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g_list_free (devices);
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}
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MetaIdleManager *
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meta_idle_manager_new (MetaBackend *backend)
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{
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ClutterSeat *seat = meta_backend_get_default_seat (backend);
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MetaIdleManager *idle_manager;
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idle_manager = g_new0 (MetaIdleManager, 1);
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idle_manager->backend = backend;
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idle_manager->dbus_name_id =
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g_bus_own_name (G_BUS_TYPE_SESSION,
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"org.gnome.Mutter.IdleMonitor",
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G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
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(meta_get_replace_current_wm () ?
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G_BUS_NAME_OWNER_FLAGS_REPLACE : 0),
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on_bus_acquired,
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on_name_acquired,
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on_name_lost,
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idle_manager,
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NULL);
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idle_manager->device_monitors =
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g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify) g_object_unref);
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g_signal_connect (seat, "device-added",
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G_CALLBACK (on_device_added), idle_manager);
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g_signal_connect_after (seat, "device-removed",
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G_CALLBACK (on_device_removed), idle_manager);
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create_device_monitors (idle_manager, seat);
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return idle_manager;
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}
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void
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meta_idle_manager_free (MetaIdleManager *idle_manager)
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{
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g_clear_pointer (&idle_manager->device_monitors, g_hash_table_destroy);
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g_bus_unown_name (idle_manager->dbus_name_id);
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g_free (idle_manager);
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}
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