aboutsummaryrefslogtreecommitdiff
path: root/src/session-service.c
blob: 50e0f13b5cdccc0de8019581041ccd471322eef2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235

#include <glib/gi18n.h>

#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-bindings.h>

#include <libdbusmenu-glib/server.h>
#include <libdbusmenu-glib/menuitem.h>

#include "dbus-shared-names.h"

#define DKP_ADDRESS    "org.freedesktop.DeviceKit.Power"
#define DKP_OBJECT     "/org/freedesktop/DeviceKit/Power"
#define DKP_INTERFACE  "org.freedesktop.DeviceKit.Power"

static DbusmenuMenuitem * root_menuitem = NULL;
static GMainLoop * mainloop = NULL;
static DBusGProxy * dkp_main_proxy = NULL;
static DBusGProxy * dkp_prop_proxy = NULL;

static DBusGProxyCall * suspend_call = NULL;
static DBusGProxyCall * hibernate_call = NULL;

/* Let's put this machine to sleep, with some info on how
   it should sleep.  */
static void
sleep (DbusmenuMenuitem * mi, gpointer userdata)
{
	gchar * type = (gchar *)userdata;

	if (dkp_main_proxy == NULL) {
		g_warning("Can not %s as no DeviceKit Power Proxy", type);
	}

	dbus_g_proxy_call_no_reply(dkp_main_proxy,
	                           type,
	                           G_TYPE_INVALID,
	                           G_TYPE_INVALID);

	return;
}

static void
suspend_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
{
	suspend_call = NULL;

}

static void
hibernate_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
{
	hibernate_call = NULL;

}

/* A signal that we need to recheck to ensure we can still
   hibernate and/or suspend */
static void
dpk_changed_cb (DBusGProxy * proxy, gpointer user_data)
{
	/* Start Async call to see if we can hibernate */
	if (suspend_call == NULL) {
		suspend_call = dbus_g_proxy_begin_call(dkp_prop_proxy,
		"Get",
		suspend_prop_cb,
		NULL,
		NULL,
		G_TYPE_STRING,
		DKP_INTERFACE,
		G_TYPE_STRING,
		"can-suspend",
		G_TYPE_INVALID,
		G_TYPE_BOOLEAN,
		G_TYPE_INVALID);

	}

	/* Start Async call to see if we can suspend */
	if (hibernate_call == NULL) {
		hibernate_call = dbus_g_proxy_begin_call(dkp_prop_proxy,
		"Get",
		hibernate_prop_cb,
		NULL,
		NULL,
		G_TYPE_STRING,
		DKP_INTERFACE,
		G_TYPE_STRING,
		"can-hibernate",
		G_TYPE_INVALID,
		G_TYPE_BOOLEAN,
		G_TYPE_INVALID);


	}

	return;
}

/* This function goes through and sets up what we need for
   DKp checking.  We're even setting up the calls for the props
   we need */
static void
setup_dkp (void) {
	DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
	g_return_if_fail(bus != NULL);

	if (dkp_main_proxy == NULL) {
		dkp_main_proxy = dbus_g_proxy_new_for_name(bus,
		                                           DKP_ADDRESS,
		                                           DKP_OBJECT,
		                                           DKP_INTERFACE);
	}
	g_return_if_fail(dkp_main_proxy != NULL);

	if (dkp_prop_proxy == NULL) {
		dkp_prop_proxy = dbus_g_proxy_new_for_name(bus,
		                                           DKP_ADDRESS,
		                                           DKP_OBJECT,
		                                           DBUS_INTERFACE_PROPERTIES);
	}
	g_return_if_fail(dkp_prop_proxy != NULL);

	/* Connect to changed signal */
	dbus_g_proxy_add_signal(dkp_main_proxy,
	                        "Changed",
	                        G_TYPE_INVALID);

	dbus_g_proxy_connect_signal(dkp_main_proxy,
	                            "Changed",
	                            G_CALLBACK(dpk_changed_cb),
	                            NULL,
	                            NULL);

	/* Force an original "changed" event */
	dpk_changed_cb(dkp_main_proxy, NULL);

	return;
}

/* This is the function to show a dialog on actions that
   can destroy data.  Currently it just calls the GTK version
   but it seems that in the future it should figure out
   what's going on and something better. */
static void
show_dialog (DbusmenuMenuitem * mi, gchar * type)
{
	gchar * helper = g_build_filename(LIBEXECDIR, "gtk-logout-helper", NULL);
	gchar * dialog_line = g_strdup_printf("%s --%s", helper, type);
	g_free(helper);

	g_debug("Showing dialog '%s'", dialog_line);

	GError * error = NULL;
	if (!g_spawn_command_line_async(dialog_line, &error)) {
		g_warning("Unable to show dialog: %s", error->message);
		g_error_free(error);
	}

	g_free(dialog_line);

	return;
}

/* This function creates all of the menuitems that the service
   provides in the UI.  It also connects them to the callbacks. */
static void
create_items (DbusmenuMenuitem * root) {
	DbusmenuMenuitem * mi = NULL;

	mi = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(mi, "label", _("Log Out"));
	dbusmenu_menuitem_child_append(root, mi);
	g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "logout");

	mi = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(mi, "label", _("Suspend"));
	dbusmenu_menuitem_child_append(root, mi);
	g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(sleep), "Suspend");

	mi = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(mi, "label", _("Hibernate"));
	dbusmenu_menuitem_child_append(root, mi);
	g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(sleep), "Hibernate");

	mi = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(mi, "label", _("Restart"));
	dbusmenu_menuitem_child_append(root, mi);
	g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "restart");

	mi = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(mi, "label", _("Shutdown"));
	dbusmenu_menuitem_child_append(root, mi);
	g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "shutdown");

	return;
}

/* Main, is well, main.  It brings everything up and throws
   us into the mainloop of no return. */
int
main (int argc, char ** argv)
{
    g_type_init();

    DBusGConnection * connection = dbus_g_bus_get(DBUS_BUS_SESSION, NULL);
    DBusGProxy * bus_proxy = dbus_g_proxy_new_for_name(connection, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
    GError * error = NULL;
    guint nameret = 0;

    if (!org_freedesktop_DBus_request_name(bus_proxy, INDICATOR_SESSION_DBUS_NAME, 0, &nameret, &error)) {
        g_error("Unable to call to request name");
        return 1;
    }   

    if (nameret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
        g_error("Unable to get name");
        return 1;
    }   

    root_menuitem = dbusmenu_menuitem_new();
	g_debug("Root ID: %d", dbusmenu_menuitem_get_id(root_menuitem));

	create_items(root_menuitem);
	setup_dkp();

    DbusmenuServer * server = dbusmenu_server_new(INDICATOR_SESSION_DBUS_OBJECT);
    dbusmenu_server_set_root(server, root_menuitem);

    mainloop = g_main_loop_new(NULL, FALSE);
    g_main_loop_run(mainloop);

    return 0;
}