diff --git a/src/Makefile.am b/src/Makefile.am index 638a3cddb..639f18bbd 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -115,6 +115,8 @@ libmutter_la_SOURCES = \ core/main.c \ core/meta-cursor-tracker.c \ core/meta-cursor-tracker-private.h \ + core/meta-idle-monitor.c \ + core/meta-idle-monitor-private.h \ core/meta-xrandr-shared.h \ core/monitor.c \ core/monitor-config.c \ @@ -189,6 +191,7 @@ libmutterinclude_base_headers = \ meta/meta-background-group.h \ meta/meta-background.h \ meta/meta-cursor-tracker.h \ + meta/meta-idle-monitor.h \ meta/meta-plugin.h \ meta/meta-shaped-texture.h \ meta/meta-shadow-factory.h \ diff --git a/src/core/display.c b/src/core/display.c index e192d3f19..491d80760 100644 --- a/src/core/display.c +++ b/src/core/display.c @@ -53,6 +53,7 @@ #include #include #include "mutter-enum-types.h" +#include "meta-idle-monitor-private.h" #ifdef HAVE_RANDR #include @@ -2264,6 +2265,8 @@ 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); } #endif /* HAVE_XSYNC */ diff --git a/src/core/meta-idle-monitor-private.h b/src/core/meta-idle-monitor-private.h new file mode 100644 index 000000000..39f3c8e76 --- /dev/null +++ b/src/core/meta-idle-monitor-private.h @@ -0,0 +1,29 @@ +/* -*- 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * Adapted from gnome-session/gnome-session/gs-idle-monitor.c and + * from gnome-desktop/libgnome-desktop/gnome-idle-monitor.c + */ + +#include + +void meta_idle_monitor_handle_xevent_all (XEvent *xevent); + + diff --git a/src/core/meta-idle-monitor.c b/src/core/meta-idle-monitor.c new file mode 100644 index 000000000..eace00b39 --- /dev/null +++ b/src/core/meta-idle-monitor.c @@ -0,0 +1,598 @@ +/* -*- 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * 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 +#include +#include +#include + +#include +#include +#include +#include "display-private.h" +#include "meta-idle-monitor-private.h" + +G_STATIC_ASSERT(sizeof(unsigned long) == sizeof(gpointer)); + +struct _MetaIdleMonitor +{ + GObject parent_instance; + + GHashTable *watches; + GHashTable *alarms; + int device_id; + + /* X11 implementation */ + Display *display; + int sync_event_base; + XSyncCounter counter; + XSyncAlarm user_active_alarm; +}; + +struct _MetaIdleMonitorClass +{ + GObjectClass parent_class; +}; + +typedef struct +{ + MetaIdleMonitor *monitor; + guint id; + MetaIdleMonitorWatchFunc callback; + gpointer user_data; + GDestroyNotify notify; + guint64 timeout_msec; + + /* x11 */ + XSyncAlarm xalarm; +} MetaIdleMonitorWatch; + +enum +{ + PROP_0, + PROP_DEVICE_ID, + PROP_LAST, +}; + +static GParamSpec *obj_props[PROP_LAST]; + +G_DEFINE_TYPE (MetaIdleMonitor, meta_idle_monitor, G_TYPE_OBJECT) + +static MetaIdleMonitor *device_monitors[256]; +static int device_id_max; + +static gint64 +_xsyncvalue_to_int64 (XSyncValue value) +{ + return ((guint64) XSyncValueHigh32 (value)) << 32 + | (guint64) XSyncValueLow32 (value); +} + +#define GUINT64_TO_XSYNCVALUE(value, ret) XSyncIntsToValue (ret, (value) & 0xFFFFFFFF, ((guint64)(value)) >> 32) + +static void +fire_watch (MetaIdleMonitorWatch *watch) +{ + MetaIdleMonitor *monitor; + + monitor = watch->monitor; + g_object_ref (monitor); + + if (watch->callback) + { + watch->callback (watch->monitor, + watch->id, + watch->user_data); + } + + if (watch->timeout_msec == 0) + meta_idle_monitor_remove_watch (watch->monitor, watch->id); + + g_object_unref (monitor); +} + +static XSyncAlarm +_xsync_alarm_set (MetaIdleMonitor *monitor, + XSyncTestType test_type, + guint64 interval, + gboolean want_events) +{ + XSyncAlarmAttributes attr; + XSyncValue delta; + guint flags; + + flags = XSyncCACounter | XSyncCAValueType | XSyncCATestType | + XSyncCAValue | XSyncCADelta | XSyncCAEvents; + + XSyncIntToValue (&delta, 0); + attr.trigger.counter = monitor->counter; + attr.trigger.value_type = XSyncAbsolute; + attr.delta = delta; + attr.events = want_events; + + GUINT64_TO_XSYNCVALUE (interval, &attr.trigger.wait_value); + attr.trigger.test_type = test_type; + return XSyncCreateAlarm (monitor->display, flags, &attr); +} + +static void +ensure_alarm_rescheduled (Display *dpy, + XSyncAlarm alarm) +{ + XSyncAlarmAttributes attr; + + /* Some versions of Xorg have an issue where alarms aren't + * always rescheduled. Calling XSyncChangeAlarm, even + * without any attributes, will reschedule the alarm. */ + XSyncChangeAlarm (dpy, alarm, 0, &attr); +} + +static void +set_alarm_enabled (Display *dpy, + XSyncAlarm alarm, + gboolean enabled) +{ + XSyncAlarmAttributes attr; + attr.events = enabled; + XSyncChangeAlarm (dpy, alarm, XSyncCAEvents, &attr); +} + +static void +check_x11_watch (gpointer data, + gpointer user_data) +{ + MetaIdleMonitorWatch *watch = data; + XSyncAlarm alarm = (XSyncAlarm) user_data; + + if (watch->xalarm != alarm) + return; + + fire_watch (watch); +} + +static void +meta_idle_monitor_handle_xevent (MetaIdleMonitor *monitor, + XSyncAlarmNotifyEvent *alarm_event) +{ + XSyncAlarm alarm; + GList *watches; + gboolean has_alarm; + + if (alarm_event->state != XSyncAlarmActive) + return; + + alarm = alarm_event->alarm; + + has_alarm = FALSE; + + if (alarm == monitor->user_active_alarm) + { + set_alarm_enabled (monitor->display, + alarm, + FALSE); + has_alarm = TRUE; + } + else if (g_hash_table_contains (monitor->alarms, (gpointer) alarm)) + { + ensure_alarm_rescheduled (monitor->display, + alarm); + has_alarm = TRUE; + } + + if (has_alarm) + { + watches = g_hash_table_get_values (monitor->watches); + + g_list_foreach (watches, check_x11_watch, (gpointer) alarm); + g_list_free (watches); + } +} + +void +meta_idle_monitor_handle_xevent_all (XEvent *xevent) +{ + int i; + + for (i = 0; i < device_id_max; i++) + if (device_monitors[i]) + meta_idle_monitor_handle_xevent (device_monitors[i], (XSyncAlarmNotifyEvent*)xevent); +} + +static char * +counter_name_for_device (int device_id) +{ + if (device_id > 0) + return g_strdup_printf ("DEVICEIDLETIME %d", device_id); + + return g_strdup ("IDLETIME"); +} + +static XSyncCounter +find_idletime_counter (MetaIdleMonitor *monitor) +{ + int i; + int ncounters; + XSyncSystemCounter *counters; + XSyncCounter counter = None; + char *counter_name; + + counter_name = counter_name_for_device (monitor->device_id); + counters = XSyncListSystemCounters (monitor->display, &ncounters); + for (i = 0; i < ncounters; i++) + { + if (counters[i].name != NULL && strcmp (counters[i].name, counter_name) == 0) + { + counter = counters[i].counter; + break; + } + } + XSyncFreeSystemCounterList (counters); + g_free (counter_name); + + return counter; +} + +static guint32 +get_next_watch_serial (void) +{ + static guint32 serial = 0; + g_atomic_int_inc (&serial); + return serial; +} + +static void +idle_monitor_watch_free (MetaIdleMonitorWatch *watch) +{ + MetaIdleMonitor *monitor; + + if (watch == NULL) + return; + + monitor = watch->monitor; + + if (watch->notify != NULL) + watch->notify (watch->user_data); + + if (watch->xalarm != monitor->user_active_alarm && + watch->xalarm != None) + { + XSyncDestroyAlarm (monitor->display, watch->xalarm); + g_hash_table_remove (monitor->alarms, (gpointer) watch->xalarm); + } + + g_slice_free (MetaIdleMonitorWatch, watch); +} + +static void +init_xsync (MetaIdleMonitor *monitor) +{ + monitor->counter = find_idletime_counter (monitor); + /* IDLETIME counter not found? */ + if (monitor->counter == None) + { + meta_warning ("IDLETIME counter not found\n"); + return; + } + + monitor->user_active_alarm = _xsync_alarm_set (monitor, XSyncNegativeTransition, 1, FALSE); +} + +static void +meta_idle_monitor_dispose (GObject *object) +{ + MetaIdleMonitor *monitor; + + monitor = META_IDLE_MONITOR (object); + + g_clear_pointer (&monitor->watches, g_hash_table_destroy); + g_clear_pointer (&monitor->alarms, g_hash_table_destroy); + + if (monitor->user_active_alarm != None) + { + XSyncDestroyAlarm (monitor->display, monitor->user_active_alarm); + monitor->user_active_alarm = None; + } + + 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_constructed (GObject *object) +{ + MetaIdleMonitor *monitor = META_IDLE_MONITOR (object); + + monitor->display = meta_get_display ()->xdisplay; + init_xsync (monitor); +} + +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->constructed = meta_idle_monitor_constructed; + 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) +{ + monitor->watches = g_hash_table_new_full (NULL, + NULL, + NULL, + (GDestroyNotify)idle_monitor_watch_free); + + monitor->alarms = g_hash_table_new (NULL, NULL); +} + +static void +ensure_device_monitor (int device_id) +{ + if (device_monitors[device_id]) + return; + + device_monitors[device_id] = g_object_new (META_TYPE_IDLE_MONITOR, "device-id", device_id, NULL); + device_id_max = MAX (device_id_max, device_id); +} + +/** + * 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) +{ + ensure_device_monitor (0); + return device_monitors[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) +{ + g_return_val_if_fail (device_id > 0 && device_id < 256, NULL); + + ensure_device_monitor (device_id); + return device_monitors[device_id]; +} + +static MetaIdleMonitorWatch * +make_watch (MetaIdleMonitor *monitor, + guint64 timeout_msec, + MetaIdleMonitorWatchFunc callback, + gpointer user_data, + GDestroyNotify notify) +{ + MetaIdleMonitorWatch *watch; + + watch = g_slice_new0 (MetaIdleMonitorWatch); + watch->monitor = monitor; + watch->id = get_next_watch_serial (); + watch->callback = callback; + watch->user_data = user_data; + watch->notify = notify; + watch->timeout_msec = timeout_msec; + + if (timeout_msec != 0) + { + watch->xalarm = _xsync_alarm_set (monitor, XSyncPositiveTransition, timeout_msec, TRUE); + + g_hash_table_add (monitor->alarms, (gpointer) watch->xalarm); + } + else + { + watch->xalarm = monitor->user_active_alarm; + + set_alarm_enabled (monitor->display, monitor->user_active_alarm, TRUE); + } + + 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: (allow-none): The callback to call when the user has + * accumulated @interval_msec milliseconds of idle time. + * @user_data: (allow-none): 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: (allow-none): The callback to call when the user is + * active again. + * @user_data: (allow-none): 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_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); +} diff --git a/src/meta/meta-idle-monitor.h b/src/meta/meta-idle-monitor.h new file mode 100644 index 000000000..883827373 --- /dev/null +++ b/src/meta/meta-idle-monitor.h @@ -0,0 +1,62 @@ +/* -*- 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#ifndef META_IDLE_MONITOR_H +#define META_IDLE_MONITOR_H + +#include +#include + +#define META_TYPE_IDLE_MONITOR (meta_idle_monitor_get_type ()) +#define META_IDLE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_IDLE_MONITOR, MetaIdleMonitor)) +#define META_IDLE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_IDLE_MONITOR, MetaIdleMonitorClass)) +#define META_IS_IDLE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_IDLE_MONITOR)) +#define META_IS_IDLE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_IDLE_MONITOR)) +#define META_IDLE_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_IDLE_MONITOR, MetaIdleMonitorClass)) + +typedef struct _MetaIdleMonitor MetaIdleMonitor; +typedef struct _MetaIdleMonitorClass MetaIdleMonitorClass; + +GType meta_idle_monitor_get_type (void); + +typedef void (*MetaIdleMonitorWatchFunc) (MetaIdleMonitor *monitor, + guint watch_id, + gpointer user_data); + +MetaIdleMonitor *meta_idle_monitor_get_core (void); +MetaIdleMonitor *meta_idle_monitor_get_for_device (int device_id); + +guint meta_idle_monitor_add_idle_watch (MetaIdleMonitor *monitor, + guint64 interval_msec, + MetaIdleMonitorWatchFunc callback, + gpointer user_data, + GDestroyNotify notify); + +guint meta_idle_monitor_add_user_active_watch (MetaIdleMonitor *monitor, + MetaIdleMonitorWatchFunc callback, + gpointer user_data, + GDestroyNotify notify); + +void meta_idle_monitor_remove_watch (MetaIdleMonitor *monitor, + guint id); +gint64 meta_idle_monitor_get_idletime (MetaIdleMonitor *monitor); + +#endif