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
|
/* -*- Mode:Vala; indent-tabs-mode:nil; tab-width:4 -*-
*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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/>.
*
* Authored by: Michael Terry <michael.terry@canonical.com>
*/
public class SettingsDaemon : Object
{
private int logind_inhibit_fd = -1;
private ScreenSaverInterface screen_saver;
private SessionManagerInterface session_manager;
private int n_names = 0;
public void start ()
{
string[] disabled = { "org.mate.settings-daemon.plugins.background",
"org.mate.settings-daemon.plugins.clipboard",
"org.mate.settings-daemon.plugins.housekeeping",
"org.mate.settings-daemon.plugins.keybindings",
"org.mate.settings-daemon.plugins.keyboard",
"org.mate.settings-daemon.plugins.media-keys",
"org.mate.settings-daemon.plugins.mouse",
"org.mate.settings-daemon.plugins.mpris",
"org.mate.settings-daemon.plugins.smartcard",
"org.mate.settings-daemon.plugins.sound",
"org.mate.settings-daemon.plugins.typing-break",
"org.mate.settings-daemon.plugins.xrdb" };
string[] enabled = { "org.mate.settings-daemon.plugins.a11y-keyboard",
"org.mate.settings-daemon.plugins.a11y-settings",
"org.mate.settings-daemon.plugins.media-keys",
"org.mate.settings-daemon.plugins.xrandr",
"org.mate.settings-daemon.plugins.xsettings" };
foreach (var schema in disabled)
set_plugin_enabled (schema, false);
foreach (var schema in enabled)
set_plugin_enabled (schema, true);
/* Pretend to be MATE/GNOME session */
session_manager = new SessionManagerInterface ();
n_names++;
GLib.Bus.own_name (BusType.SESSION, "org.gnome.SessionManager", BusNameOwnerFlags.NONE,
(c) =>
{
try
{
c.register_object ("/org/gnome/SessionManager", session_manager);
}
catch (Error e)
{
warning ("Failed to register /org/gnome/SessionManager: %s", e.message);
}
},
() =>
{
debug ("Acquired org.gnome.SessionManager");
start_settings_daemon ();
},
() => debug ("Failed to acquire name org.gnome.SessionManager"));
/* The power plugin does the screen saver screen blanking and disables
* the builtin X screen saver. It relies on gnome-screensaver to generate
* the event to trigger this (which actually comes from gnome-session).
* We implement the gnome-screensaver inteface and start the settings
* daemon once it is registered on the bus so gnome-screensaver is not
* started when it accesses this interface */
screen_saver = new ScreenSaverInterface ();
n_names++;
GLib.Bus.own_name (BusType.SESSION, "org.gnome.ScreenSaver", BusNameOwnerFlags.NONE,
(c) =>
{
try
{
c.register_object ("/org/gnome/ScreenSaver", screen_saver);
}
catch (Error e)
{
warning ("Failed to register /org/gnome/ScreenSaver: %s", e.message);
}
},
() =>
{
debug ("Acquired org.gnome.ScreenSaver");
start_settings_daemon ();
},
() => debug ("Failed to acquire name org.gnome.ScreenSaver"));
/* The media-keys plugin inhibits the power key, but we don't want
all the other keys doing things. So inhibit it ourselves */
/* NOTE: We are using the synchronous method here since there is a bug in Vala/GLib in that
* g_dbus_connection_call_with_unix_fd_list_finish and g_dbus_proxy_call_with_unix_fd_list_finish
* don't have the GAsyncResult as the second argument.
* https://bugzilla.gnome.org/show_bug.cgi?id=688907
*/
try
{
var b = Bus.get_sync (BusType.SYSTEM);
UnixFDList fd_list;
var result = b.call_with_unix_fd_list_sync ("org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"Inhibit",
new Variant ("(ssss)",
"handle-power-key",
Environment.get_user_name (),
"Arctica Greeter handling keypresses",
"block"),
new VariantType ("(h)"),
DBusCallFlags.NONE,
-1,
null,
out fd_list);
int32 index = -1;
result.get ("(h)", &index);
logind_inhibit_fd = fd_list.get (index);
}
catch (Error e)
{
warning ("Failed to inhibit power keys: %s", e.message);
}
}
private void set_plugin_enabled (string schema_name, bool enabled)
{
var source = SettingsSchemaSource.get_default ();
var schema = source.lookup (schema_name, false);
if (schema != null)
{
var settings = new Settings (schema_name);
settings.set_boolean ("active", enabled);
}
}
private void start_settings_daemon ()
{
n_names--;
if (n_names != 0)
return;
debug ("All bus names acquired, starting %s", Config.SD_BINARY);
try
{
Process.spawn_command_line_async (Config.SD_BINARY);
}
catch (SpawnError e)
{
debug ("Could not start %s: %s", Config.SD_BINARY, e.message);
}
}
}
[DBus (name="org.gnome.ScreenSaver")]
public class ScreenSaverInterface : Object
{
public signal void active_changed (bool value);
private IdleMonitor idle_monitor;
private bool _active = false;
private uint idle_watch = 0;
public ScreenSaverInterface ()
{
idle_monitor = new IdleMonitor ();
_set_active (false);
}
private void _set_active (bool value)
{
_active = value;
if (idle_watch != 0)
idle_monitor.remove_watch (idle_watch);
idle_watch = 0;
if (value)
idle_monitor.add_user_active_watch (() => set_active (false));
else
{
var timeout = AGSettings.get_integer (AGSettings.KEY_IDLE_TIMEOUT);
if (timeout > 0)
idle_watch = idle_monitor.add_idle_watch (timeout * 1000, () => set_active (true));
}
}
public void set_active (bool value)
{
if (_active == value)
return;
if (value)
debug ("Screensaver activated");
else
debug ("Screensaver disabled");
_set_active (value);
active_changed (value);
}
public bool get_active ()
{
return _active;
}
public uint32 get_active_time () { return 0; }
public void lock () {}
public void show_message (string summary, string body, string icon) {}
public void simulate_user_activity () {}
}
[DBus (name="org.gnome.SessionManager")]
public class SessionManagerInterface : Object
{
public bool session_is_active { get { return true; } }
public string session_name { get { return "ubuntu"; } }
public uint32 inhibited_actions { get { return 0; } }
}
|
