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/* -*- 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
*/
#include "config.h"
#include "meta-idle-monitor-native.h"
#include "meta-idle-monitor-private.h"
#include <meta/util.h>
#include "display-private.h"
#include <string.h>
struct _MetaIdleMonitorNative
{
MetaIdleMonitor parent;
guint64 last_event_time;
};
struct _MetaIdleMonitorNativeClass
{
MetaIdleMonitorClass parent_class;
};
typedef struct {
MetaIdleMonitorWatch base;
GSource *timeout_source;
} MetaIdleMonitorWatchNative;
G_DEFINE_TYPE (MetaIdleMonitorNative, meta_idle_monitor_native, META_TYPE_IDLE_MONITOR)
static gint64
meta_idle_monitor_native_get_idletime (MetaIdleMonitor *monitor)
{
MetaIdleMonitorNative *monitor_native = META_IDLE_MONITOR_NATIVE (monitor);
return (g_get_monotonic_time () - monitor_native->last_event_time) / 1000;
}
static guint32
get_next_watch_serial (void)
{
static guint32 serial = 0;
g_atomic_int_inc (&serial);
return serial;
}
static gboolean
native_dispatch_timeout (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
MetaIdleMonitorWatchNative *watch_native = user_data;
MetaIdleMonitorWatch *watch = (MetaIdleMonitorWatch *) watch_native;
_meta_idle_monitor_watch_fire (watch);
g_source_set_ready_time (watch_native->timeout_source, -1);
return TRUE;
}
static GSourceFuncs native_source_funcs = {
NULL, /* prepare */
NULL, /* check */
native_dispatch_timeout,
NULL, /* finalize */
};
static void
free_watch (gpointer data)
{
MetaIdleMonitorWatchNative *watch_native = data;
MetaIdleMonitorWatch *watch = (MetaIdleMonitorWatch *) watch_native;
MetaIdleMonitor *monitor = watch->monitor;
g_object_ref (monitor);
if (watch->idle_source_id)
{
g_source_remove (watch->idle_source_id);
watch->idle_source_id = 0;
}
if (watch->notify != NULL)
watch->notify (watch->user_data);
if (watch_native->timeout_source != NULL)
g_source_destroy (watch_native->timeout_source);
g_object_unref (monitor);
g_slice_free (MetaIdleMonitorWatchNative, watch_native);
}
static MetaIdleMonitorWatch *
meta_idle_monitor_native_make_watch (MetaIdleMonitor *monitor,
guint64 timeout_msec,
MetaIdleMonitorWatchFunc callback,
gpointer user_data,
GDestroyNotify notify)
{
MetaIdleMonitorWatchNative *watch_native;
MetaIdleMonitorWatch *watch;
MetaIdleMonitorNative *monitor_native = META_IDLE_MONITOR_NATIVE (monitor);
watch_native = g_slice_new0 (MetaIdleMonitorWatchNative);
watch = (MetaIdleMonitorWatch *) watch_native;
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)
{
GSource *source = g_source_new (&native_source_funcs, sizeof (GSource));
g_source_set_callback (source, NULL, watch, NULL);
g_source_set_ready_time (source, monitor_native->last_event_time + timeout_msec * 1000);
g_source_attach (source, NULL);
g_source_unref (source);
watch_native->timeout_source = source;
}
return watch;
}
static void
meta_idle_monitor_native_class_init (MetaIdleMonitorNativeClass *klass)
{
MetaIdleMonitorClass *idle_monitor_class = META_IDLE_MONITOR_CLASS (klass);
idle_monitor_class->get_idletime = meta_idle_monitor_native_get_idletime;
idle_monitor_class->make_watch = meta_idle_monitor_native_make_watch;
}
static void
meta_idle_monitor_native_init (MetaIdleMonitorNative *monitor_native)
{
MetaIdleMonitor *monitor = META_IDLE_MONITOR (monitor_native);
monitor->watches = g_hash_table_new_full (NULL, NULL, NULL, free_watch);
monitor_native->last_event_time = g_get_monotonic_time ();
}
void
meta_idle_monitor_native_reset_idletime (MetaIdleMonitor *monitor)
{
MetaIdleMonitorNative *monitor_native = META_IDLE_MONITOR_NATIVE (monitor);
GList *node, *watch_ids;
monitor_native->last_event_time = g_get_monotonic_time ();
watch_ids = g_hash_table_get_keys (monitor->watches);
for (node = watch_ids; node != NULL; node = node->next)
{
guint watch_id = GPOINTER_TO_UINT (node->data);
MetaIdleMonitorWatchNative *watch;
watch = g_hash_table_lookup (monitor->watches, GUINT_TO_POINTER (watch_id));
if (!watch)
continue;
if (watch->base.timeout_msec == 0)
{
_meta_idle_monitor_watch_fire ((MetaIdleMonitorWatch *) watch);
}
else
{
g_source_set_ready_time (watch->timeout_source,
monitor_native->last_event_time +
watch->base.timeout_msec * 1000);
}
}
g_list_free (watch_ids);
}
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