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2c1b20e15f
When running as a wayland compositor, we can't use the xserver's IDLETIME, because that's updated only in response to X events. But we have all the events ourselves, so we can just run the timer in process. https://bugzilla.gnome.org/show_bug.cgi?id=706005
599 lines
16 KiB
C
599 lines
16 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright 2013 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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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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/**
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* SECTION:idle-monitor
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* @title: MetaIdleMonitor
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* @short_description: Mutter idle counter (similar to X's IDLETIME)
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*/
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#include "config.h"
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#include <string.h>
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#include <clutter/clutter.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/sync.h>
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#include <meta/util.h>
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#include <meta/main.h>
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#include <meta/meta-idle-monitor.h>
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#include "display-private.h"
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#include "meta-idle-monitor-private.h"
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G_STATIC_ASSERT(sizeof(unsigned long) == sizeof(gpointer));
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struct _MetaIdleMonitor
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{
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GObject parent_instance;
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GHashTable *watches;
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GHashTable *alarms;
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int device_id;
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/* X11 implementation */
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Display *display;
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int sync_event_base;
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XSyncCounter counter;
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XSyncAlarm user_active_alarm;
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};
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struct _MetaIdleMonitorClass
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{
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GObjectClass parent_class;
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};
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typedef struct
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{
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MetaIdleMonitor *monitor;
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guint id;
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MetaIdleMonitorWatchFunc callback;
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gpointer user_data;
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GDestroyNotify notify;
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guint64 timeout_msec;
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/* x11 */
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XSyncAlarm xalarm;
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} MetaIdleMonitorWatch;
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enum
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{
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PROP_0,
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PROP_DEVICE_ID,
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PROP_LAST,
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};
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static GParamSpec *obj_props[PROP_LAST];
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G_DEFINE_TYPE (MetaIdleMonitor, meta_idle_monitor, G_TYPE_OBJECT)
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static MetaIdleMonitor *device_monitors[256];
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static int device_id_max;
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static gint64
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_xsyncvalue_to_int64 (XSyncValue value)
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{
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return ((guint64) XSyncValueHigh32 (value)) << 32
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| (guint64) XSyncValueLow32 (value);
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}
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#define GUINT64_TO_XSYNCVALUE(value, ret) XSyncIntsToValue (ret, (value) & 0xFFFFFFFF, ((guint64)(value)) >> 32)
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static void
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fire_watch (MetaIdleMonitorWatch *watch)
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{
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MetaIdleMonitor *monitor;
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monitor = watch->monitor;
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g_object_ref (monitor);
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if (watch->callback)
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{
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watch->callback (watch->monitor,
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watch->id,
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watch->user_data);
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}
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if (watch->timeout_msec == 0)
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meta_idle_monitor_remove_watch (watch->monitor, watch->id);
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g_object_unref (monitor);
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}
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static XSyncAlarm
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_xsync_alarm_set (MetaIdleMonitor *monitor,
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XSyncTestType test_type,
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guint64 interval,
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gboolean want_events)
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{
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XSyncAlarmAttributes attr;
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XSyncValue delta;
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guint flags;
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flags = XSyncCACounter | XSyncCAValueType | XSyncCATestType |
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XSyncCAValue | XSyncCADelta | XSyncCAEvents;
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XSyncIntToValue (&delta, 0);
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attr.trigger.counter = monitor->counter;
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attr.trigger.value_type = XSyncAbsolute;
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attr.delta = delta;
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attr.events = want_events;
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GUINT64_TO_XSYNCVALUE (interval, &attr.trigger.wait_value);
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attr.trigger.test_type = test_type;
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return XSyncCreateAlarm (monitor->display, flags, &attr);
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}
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static void
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ensure_alarm_rescheduled (Display *dpy,
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XSyncAlarm alarm)
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{
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XSyncAlarmAttributes attr;
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/* Some versions of Xorg have an issue where alarms aren't
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* always rescheduled. Calling XSyncChangeAlarm, even
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* without any attributes, will reschedule the alarm. */
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XSyncChangeAlarm (dpy, alarm, 0, &attr);
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}
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static void
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set_alarm_enabled (Display *dpy,
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XSyncAlarm alarm,
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gboolean enabled)
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{
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XSyncAlarmAttributes attr;
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attr.events = enabled;
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XSyncChangeAlarm (dpy, alarm, XSyncCAEvents, &attr);
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}
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static void
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check_x11_watch (gpointer data,
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gpointer user_data)
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{
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MetaIdleMonitorWatch *watch = data;
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XSyncAlarm alarm = (XSyncAlarm) user_data;
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if (watch->xalarm != alarm)
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return;
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fire_watch (watch);
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}
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static void
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meta_idle_monitor_handle_xevent (MetaIdleMonitor *monitor,
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XSyncAlarmNotifyEvent *alarm_event)
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{
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XSyncAlarm alarm;
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GList *watches;
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gboolean has_alarm;
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if (alarm_event->state != XSyncAlarmActive)
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return;
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alarm = alarm_event->alarm;
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has_alarm = FALSE;
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if (alarm == monitor->user_active_alarm)
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{
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set_alarm_enabled (monitor->display,
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alarm,
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FALSE);
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has_alarm = TRUE;
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}
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else if (g_hash_table_contains (monitor->alarms, (gpointer) alarm))
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{
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ensure_alarm_rescheduled (monitor->display,
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alarm);
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has_alarm = TRUE;
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}
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if (has_alarm)
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{
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watches = g_hash_table_get_values (monitor->watches);
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g_list_foreach (watches, check_x11_watch, (gpointer) alarm);
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g_list_free (watches);
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}
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}
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void
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meta_idle_monitor_handle_xevent_all (XEvent *xevent)
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{
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int i;
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for (i = 0; i < device_id_max; i++)
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if (device_monitors[i])
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meta_idle_monitor_handle_xevent (device_monitors[i], (XSyncAlarmNotifyEvent*)xevent);
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}
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static char *
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counter_name_for_device (int device_id)
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{
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if (device_id > 0)
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return g_strdup_printf ("DEVICEIDLETIME %d", device_id);
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return g_strdup ("IDLETIME");
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}
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static XSyncCounter
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find_idletime_counter (MetaIdleMonitor *monitor)
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{
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int i;
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int ncounters;
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XSyncSystemCounter *counters;
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XSyncCounter counter = None;
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char *counter_name;
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counter_name = counter_name_for_device (monitor->device_id);
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counters = XSyncListSystemCounters (monitor->display, &ncounters);
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for (i = 0; i < ncounters; i++)
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{
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if (counters[i].name != NULL && strcmp (counters[i].name, counter_name) == 0)
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{
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counter = counters[i].counter;
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break;
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}
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}
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XSyncFreeSystemCounterList (counters);
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g_free (counter_name);
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return counter;
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}
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static guint32
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get_next_watch_serial (void)
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{
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static guint32 serial = 0;
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g_atomic_int_inc (&serial);
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return serial;
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}
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static void
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idle_monitor_watch_free (MetaIdleMonitorWatch *watch)
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{
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MetaIdleMonitor *monitor;
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if (watch == NULL)
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return;
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monitor = watch->monitor;
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if (watch->notify != NULL)
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watch->notify (watch->user_data);
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if (watch->xalarm != monitor->user_active_alarm &&
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watch->xalarm != None)
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{
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XSyncDestroyAlarm (monitor->display, watch->xalarm);
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g_hash_table_remove (monitor->alarms, (gpointer) watch->xalarm);
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}
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g_slice_free (MetaIdleMonitorWatch, watch);
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}
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static void
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init_xsync (MetaIdleMonitor *monitor)
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{
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monitor->counter = find_idletime_counter (monitor);
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/* IDLETIME counter not found? */
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if (monitor->counter == None)
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{
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meta_warning ("IDLETIME counter not found\n");
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return;
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}
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monitor->user_active_alarm = _xsync_alarm_set (monitor, XSyncNegativeTransition, 1, FALSE);
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}
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static void
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meta_idle_monitor_dispose (GObject *object)
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{
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MetaIdleMonitor *monitor;
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monitor = META_IDLE_MONITOR (object);
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g_clear_pointer (&monitor->watches, g_hash_table_destroy);
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g_clear_pointer (&monitor->alarms, g_hash_table_destroy);
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if (monitor->user_active_alarm != None)
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{
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XSyncDestroyAlarm (monitor->display, monitor->user_active_alarm);
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monitor->user_active_alarm = None;
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}
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G_OBJECT_CLASS (meta_idle_monitor_parent_class)->dispose (object);
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}
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static void
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meta_idle_monitor_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
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switch (prop_id)
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{
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case PROP_DEVICE_ID:
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g_value_set_int (value, monitor->device_id);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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meta_idle_monitor_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
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switch (prop_id)
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{
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case PROP_DEVICE_ID:
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monitor->device_id = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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meta_idle_monitor_constructed (GObject *object)
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{
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MetaIdleMonitor *monitor = META_IDLE_MONITOR (object);
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monitor->display = meta_get_display ()->xdisplay;
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init_xsync (monitor);
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}
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static void
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meta_idle_monitor_class_init (MetaIdleMonitorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = meta_idle_monitor_dispose;
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object_class->constructed = meta_idle_monitor_constructed;
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object_class->get_property = meta_idle_monitor_get_property;
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object_class->set_property = meta_idle_monitor_set_property;
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/**
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* MetaIdleMonitor:device_id:
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*
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* The device to listen to idletime on.
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*/
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obj_props[PROP_DEVICE_ID] =
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g_param_spec_int ("device-id",
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"Device ID",
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"The device to listen to idletime on",
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0, 255, 0,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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g_object_class_install_property (object_class, PROP_DEVICE_ID, obj_props[PROP_DEVICE_ID]);
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}
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static void
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meta_idle_monitor_init (MetaIdleMonitor *monitor)
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{
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monitor->watches = g_hash_table_new_full (NULL,
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NULL,
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NULL,
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(GDestroyNotify)idle_monitor_watch_free);
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monitor->alarms = g_hash_table_new (NULL, NULL);
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}
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static void
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ensure_device_monitor (int device_id)
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{
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if (device_monitors[device_id])
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return;
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device_monitors[device_id] = g_object_new (META_TYPE_IDLE_MONITOR, "device-id", device_id, NULL);
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device_id_max = MAX (device_id_max, device_id);
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}
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/**
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* meta_idle_monitor_get_core:
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*
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* Returns: (transfer none): the #MetaIdleMonitor that tracks the server-global
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* idletime for all devices. To track device-specific idletime,
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* use meta_idle_monitor_get_for_device().
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*/
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MetaIdleMonitor *
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meta_idle_monitor_get_core (void)
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{
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ensure_device_monitor (0);
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return device_monitors[0];
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}
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/**
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* meta_idle_monitor_get_for_device:
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* @device_id: the device to get the idle time for.
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*
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* Returns: (transfer none): a new #MetaIdleMonitor that tracks the
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* device-specific idletime for @device. To track server-global idletime
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* for all devices, use meta_idle_monitor_get_core().
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*/
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MetaIdleMonitor *
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meta_idle_monitor_get_for_device (int device_id)
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{
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g_return_val_if_fail (device_id > 0 && device_id < 256, NULL);
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ensure_device_monitor (device_id);
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return device_monitors[device_id];
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}
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static MetaIdleMonitorWatch *
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make_watch (MetaIdleMonitor *monitor,
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guint64 timeout_msec,
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MetaIdleMonitorWatchFunc callback,
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gpointer user_data,
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GDestroyNotify notify)
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{
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MetaIdleMonitorWatch *watch;
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watch = g_slice_new0 (MetaIdleMonitorWatch);
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watch->monitor = monitor;
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watch->id = get_next_watch_serial ();
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watch->callback = callback;
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watch->user_data = user_data;
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watch->notify = notify;
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watch->timeout_msec = timeout_msec;
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if (timeout_msec != 0)
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{
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watch->xalarm = _xsync_alarm_set (monitor, XSyncPositiveTransition, timeout_msec, TRUE);
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g_hash_table_add (monitor->alarms, (gpointer) watch->xalarm);
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}
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else
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{
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watch->xalarm = monitor->user_active_alarm;
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set_alarm_enabled (monitor->display, monitor->user_active_alarm, TRUE);
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}
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g_hash_table_insert (monitor->watches,
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GUINT_TO_POINTER (watch->id),
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watch);
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return watch;
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}
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/**
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* meta_idle_monitor_add_idle_watch:
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* @monitor: A #MetaIdleMonitor
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* @interval_msec: The idletime interval, in milliseconds
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* @callback: (allow-none): The callback to call when the user has
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* accumulated @interval_msec milliseconds of idle time.
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* @user_data: (allow-none): The user data to pass to the callback
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* @notify: A #GDestroyNotify
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*
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* Returns: a watch id
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*
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* Adds a watch for a specific idle time. The callback will be called
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* when the user has accumulated @interval_msec milliseconds of idle time.
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* This function will return an ID that can either be passed to
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* meta_idle_monitor_remove_watch(), or can be used to tell idle time
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* watches apart if you have more than one.
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*
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* Also note that this function will only care about positive transitions
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* (user's idle time exceeding a certain time). If you want to know about
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* when the user has become active, use
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* meta_idle_monitor_add_user_active_watch().
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*/
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guint
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meta_idle_monitor_add_idle_watch (MetaIdleMonitor *monitor,
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guint64 interval_msec,
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MetaIdleMonitorWatchFunc callback,
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gpointer user_data,
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GDestroyNotify notify)
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{
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MetaIdleMonitorWatch *watch;
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g_return_val_if_fail (META_IS_IDLE_MONITOR (monitor), 0);
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g_return_val_if_fail (interval_msec > 0, 0);
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watch = make_watch (monitor,
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interval_msec,
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callback,
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user_data,
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notify);
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return watch->id;
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}
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/**
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* meta_idle_monitor_add_user_active_watch:
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* @monitor: A #MetaIdleMonitor
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* @callback: (allow-none): The callback to call when the user is
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* active again.
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* @user_data: (allow-none): The user data to pass to the callback
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* @notify: A #GDestroyNotify
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*
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* Returns: a watch id
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*
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* Add a one-time watch to know when the user is active again.
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* Note that this watch is one-time and will de-activate after the
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* function is called, for efficiency purposes. It's most convenient
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* to call this when an idle watch, as added by
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* meta_idle_monitor_add_idle_watch(), has triggered.
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|
*/
|
|
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_hash_table_remove (monitor->watches,
|
|
GUINT_TO_POINTER (id));
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
XSyncValue value;
|
|
|
|
if (!XSyncQueryCounter (monitor->display, monitor->counter, &value))
|
|
return -1;
|
|
|
|
return _xsyncvalue_to_int64 (value);
|
|
}
|