mirror of
https://github.com/brl/mutter.git
synced 2024-11-27 10:30:47 -05:00
7d54631ebf
This moves meta-backend.h under meta/ and, for now, just exposes to introspection the methods that we actually need in gnome-shell. https://bugzilla.gnome.org/show_bug.cgi?id=734301
319 lines
9.3 KiB
C
319 lines
9.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/*
|
|
* Copyright 2013 Red Hat, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Adapted from gnome-session/gnome-session/gs-idle-monitor.c and
|
|
* from gnome-desktop/libgnome-desktop/gnome-idle-monitor.c
|
|
*/
|
|
|
|
/**
|
|
* SECTION:idle-monitor
|
|
* @title: MetaIdleMonitor
|
|
* @short_description: Mutter idle counter (similar to X's IDLETIME)
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
#include <clutter/clutter.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/extensions/sync.h>
|
|
|
|
#include <meta/util.h>
|
|
#include <meta/main.h>
|
|
#include <meta/meta-idle-monitor.h>
|
|
#include "meta-idle-monitor-private.h"
|
|
#include "meta-idle-monitor-dbus.h"
|
|
#include "meta-backend-private.h"
|
|
|
|
G_STATIC_ASSERT(sizeof(unsigned long) == sizeof(gpointer));
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_DEVICE_ID,
|
|
PROP_LAST,
|
|
};
|
|
|
|
static GParamSpec *obj_props[PROP_LAST];
|
|
|
|
G_DEFINE_TYPE (MetaIdleMonitor, meta_idle_monitor, G_TYPE_OBJECT)
|
|
|
|
void
|
|
_meta_idle_monitor_watch_fire (MetaIdleMonitorWatch *watch)
|
|
{
|
|
MetaIdleMonitor *monitor;
|
|
guint id;
|
|
gboolean is_user_active_watch;
|
|
|
|
monitor = watch->monitor;
|
|
g_object_ref (monitor);
|
|
|
|
if (watch->idle_source_id)
|
|
{
|
|
g_source_remove (watch->idle_source_id);
|
|
watch->idle_source_id = 0;
|
|
}
|
|
|
|
id = watch->id;
|
|
is_user_active_watch = (watch->timeout_msec == 0);
|
|
|
|
if (watch->callback)
|
|
watch->callback (monitor, id, watch->user_data);
|
|
|
|
if (is_user_active_watch)
|
|
meta_idle_monitor_remove_watch (monitor, id);
|
|
|
|
g_object_unref (monitor);
|
|
}
|
|
|
|
static void
|
|
meta_idle_monitor_dispose (GObject *object)
|
|
{
|
|
MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
|
|
|
|
g_clear_pointer (&monitor->watches, g_hash_table_destroy);
|
|
|
|
G_OBJECT_CLASS (meta_idle_monitor_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
meta_idle_monitor_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_DEVICE_ID:
|
|
g_value_set_int (value, monitor->device_id);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
meta_idle_monitor_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
|
|
switch (prop_id)
|
|
{
|
|
case PROP_DEVICE_ID:
|
|
monitor->device_id = g_value_get_int (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
meta_idle_monitor_class_init (MetaIdleMonitorClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->dispose = meta_idle_monitor_dispose;
|
|
object_class->get_property = meta_idle_monitor_get_property;
|
|
object_class->set_property = meta_idle_monitor_set_property;
|
|
|
|
/**
|
|
* MetaIdleMonitor:device_id:
|
|
*
|
|
* The device to listen to idletime on.
|
|
*/
|
|
obj_props[PROP_DEVICE_ID] =
|
|
g_param_spec_int ("device-id",
|
|
"Device ID",
|
|
"The device to listen to idletime on",
|
|
0, 255, 0,
|
|
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
|
|
g_object_class_install_property (object_class, PROP_DEVICE_ID, obj_props[PROP_DEVICE_ID]);
|
|
}
|
|
|
|
static void
|
|
meta_idle_monitor_init (MetaIdleMonitor *monitor)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_get_core:
|
|
*
|
|
* Returns: (transfer none): the #MetaIdleMonitor that tracks the server-global
|
|
* idletime for all devices. To track device-specific idletime,
|
|
* use meta_idle_monitor_get_for_device().
|
|
*/
|
|
MetaIdleMonitor *
|
|
meta_idle_monitor_get_core (void)
|
|
{
|
|
MetaBackend *backend = meta_get_backend ();
|
|
return meta_backend_get_idle_monitor (backend, 0);
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_get_for_device:
|
|
* @device_id: the device to get the idle time for.
|
|
*
|
|
* Returns: (transfer none): a new #MetaIdleMonitor that tracks the
|
|
* device-specific idletime for @device. To track server-global idletime
|
|
* for all devices, use meta_idle_monitor_get_core().
|
|
*/
|
|
MetaIdleMonitor *
|
|
meta_idle_monitor_get_for_device (int device_id)
|
|
{
|
|
MetaBackend *backend = meta_get_backend ();
|
|
return meta_backend_get_idle_monitor (backend, device_id);
|
|
}
|
|
|
|
static MetaIdleMonitorWatch *
|
|
make_watch (MetaIdleMonitor *monitor,
|
|
guint64 timeout_msec,
|
|
MetaIdleMonitorWatchFunc callback,
|
|
gpointer user_data,
|
|
GDestroyNotify notify)
|
|
{
|
|
MetaIdleMonitorWatch *watch;
|
|
|
|
watch = META_IDLE_MONITOR_GET_CLASS (monitor)->make_watch (monitor,
|
|
timeout_msec,
|
|
callback,
|
|
user_data,
|
|
notify);
|
|
|
|
g_hash_table_insert (monitor->watches,
|
|
GUINT_TO_POINTER (watch->id),
|
|
watch);
|
|
return watch;
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_add_idle_watch:
|
|
* @monitor: A #MetaIdleMonitor
|
|
* @interval_msec: The idletime interval, in milliseconds
|
|
* @callback: (nullable): The callback to call when the user has
|
|
* accumulated @interval_msec milliseconds of idle time.
|
|
* @user_data: (nullable): The user data to pass to the callback
|
|
* @notify: A #GDestroyNotify
|
|
*
|
|
* Returns: a watch id
|
|
*
|
|
* Adds a watch for a specific idle time. The callback will be called
|
|
* when the user has accumulated @interval_msec milliseconds of idle time.
|
|
* This function will return an ID that can either be passed to
|
|
* meta_idle_monitor_remove_watch(), or can be used to tell idle time
|
|
* watches apart if you have more than one.
|
|
*
|
|
* Also note that this function will only care about positive transitions
|
|
* (user's idle time exceeding a certain time). If you want to know about
|
|
* when the user has become active, use
|
|
* meta_idle_monitor_add_user_active_watch().
|
|
*/
|
|
guint
|
|
meta_idle_monitor_add_idle_watch (MetaIdleMonitor *monitor,
|
|
guint64 interval_msec,
|
|
MetaIdleMonitorWatchFunc callback,
|
|
gpointer user_data,
|
|
GDestroyNotify notify)
|
|
{
|
|
MetaIdleMonitorWatch *watch;
|
|
|
|
g_return_val_if_fail (META_IS_IDLE_MONITOR (monitor), 0);
|
|
g_return_val_if_fail (interval_msec > 0, 0);
|
|
|
|
watch = make_watch (monitor,
|
|
interval_msec,
|
|
callback,
|
|
user_data,
|
|
notify);
|
|
|
|
return watch->id;
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_add_user_active_watch:
|
|
* @monitor: A #MetaIdleMonitor
|
|
* @callback: (nullable): The callback to call when the user is
|
|
* active again.
|
|
* @user_data: (nullable): The user data to pass to the callback
|
|
* @notify: A #GDestroyNotify
|
|
*
|
|
* Returns: a watch id
|
|
*
|
|
* Add a one-time watch to know when the user is active again.
|
|
* Note that this watch is one-time and will de-activate after the
|
|
* function is called, for efficiency purposes. It's most convenient
|
|
* to call this when an idle watch, as added by
|
|
* meta_idle_monitor_add_idle_watch(), has triggered.
|
|
*/
|
|
guint
|
|
meta_idle_monitor_add_user_active_watch (MetaIdleMonitor *monitor,
|
|
MetaIdleMonitorWatchFunc callback,
|
|
gpointer user_data,
|
|
GDestroyNotify notify)
|
|
{
|
|
MetaIdleMonitorWatch *watch;
|
|
|
|
g_return_val_if_fail (META_IS_IDLE_MONITOR (monitor), 0);
|
|
|
|
watch = make_watch (monitor,
|
|
0,
|
|
callback,
|
|
user_data,
|
|
notify);
|
|
|
|
return watch->id;
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_remove_watch:
|
|
* @monitor: A #MetaIdleMonitor
|
|
* @id: A watch ID
|
|
*
|
|
* Removes an idle time watcher, previously added by
|
|
* meta_idle_monitor_add_idle_watch() or
|
|
* meta_idle_monitor_add_user_active_watch().
|
|
*/
|
|
void
|
|
meta_idle_monitor_remove_watch (MetaIdleMonitor *monitor,
|
|
guint id)
|
|
{
|
|
g_return_if_fail (META_IS_IDLE_MONITOR (monitor));
|
|
|
|
g_object_ref (monitor);
|
|
g_hash_table_remove (monitor->watches,
|
|
GUINT_TO_POINTER (id));
|
|
g_object_unref (monitor);
|
|
}
|
|
|
|
/**
|
|
* meta_idle_monitor_get_idletime:
|
|
* @monitor: A #MetaIdleMonitor
|
|
*
|
|
* Returns: The current idle time, in milliseconds, or -1 for not supported
|
|
*/
|
|
gint64
|
|
meta_idle_monitor_get_idletime (MetaIdleMonitor *monitor)
|
|
{
|
|
return META_IDLE_MONITOR_GET_CLASS (monitor)->get_idletime (monitor);
|
|
}
|