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
|
/*
* Copyright 2013 Canonical Ltd.
*
* 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; version 3.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Lars Uebernickel <lars.uebernickel@canonical.com>
*/
/* Icon.serialize() is not yet in gio-2.0.vapi; remove this when it is */
extern Variant? g_icon_serialize (Icon icon);
public class IndicatorSound.Service {
public Service () {
this.settings = new Settings ("com.canonical.indicator.sound");
this.volume_control = new VolumeControl ();
this.players = new MediaPlayerList ();
this.players.player_added.connect (this.player_added);
this.players.player_removed.connect (this.player_removed);
this.actions = new SimpleActionGroup ();
this.actions.add_entries (action_entries, this);
this.actions.add_action (this.create_mute_action ());
this.actions.add_action (this.create_volume_action ());
this.menu = create_menu ();
this.root_menu = create_root_menu (this.menu);
this.players.sync (settings.get_strv ("preferred-media-players"));
this.settings.changed["preferred-media-players"].connect ( () => {
this.players.sync (settings.get_strv ("preferred-media-players"));
});
}
public int run () {
if (this.loop != null) {
warning ("service is already running");
return 1;
}
Bus.own_name (BusType.SESSION, "com.canonical.indicator.sound", BusNameOwnerFlags.NONE,
this.bus_acquired, null, this.name_lost);
this.loop = new MainLoop (null, false);
this.loop.run ();
return 0;
}
const ActionEntry[] action_entries = {
{ "root", null, null, "{ 'icon': <'audio-volume-high-panel'> }", null },
{ "settings", activate_settings, null, null, null }
};
MainLoop loop;
SimpleActionGroup actions;
Menu root_menu;
Menu menu;
Settings settings;
VolumeControl volume_control;
MediaPlayerList players;
uint player_action_update_id;
void activate_settings (SimpleAction action, Variant? param) {
try {
Process.spawn_command_line_async ("gnome-control-center sound");
} catch (Error e) {
warning ("unable to launch sound settings: %s", e.message);
}
}
static Menu create_root_menu (Menu submenu) {
var root = new MenuItem (null, "indicator.root");
root.set_attribute ("x-canonical-type", "s", "com.canonical.indicator.root");
root.set_submenu (submenu);
var menu = new Menu ();
menu.append_item (root);
return menu;
}
static Menu create_menu () {
var volume_section = new Menu ();
volume_section.append ("Mute", "indicator.mute");
var slider = new MenuItem (null, "indicator.volume");
slider.set_attribute ("x-canonical-type", "s", "com.canonical.unity.slider");
slider.set_attribute_value ("min-icon", g_icon_serialize (new ThemedIcon ("audio-volume-low-zero-panel")));
slider.set_attribute_value ("max-icon", g_icon_serialize (new ThemedIcon ("audio-volume-high-panel")));
slider.set_attribute ("min-value", "d", 0.0);
slider.set_attribute ("max-value", "d", 1.0);
slider.set_attribute ("step", "d", 0.01);
volume_section.append_item (slider);
var menu = new Menu ();
menu.append_section (null, volume_section);
menu.append ("Sound Settings…", "indicator.settings");
return menu;
}
Action create_mute_action () {
var mute_action = new SimpleAction.stateful ("mute", null, this.volume_control.mute);
mute_action.activate.connect ( (action, param) => {
action.change_state (!action.get_state ().get_boolean ());
});
mute_action.change_state.connect ( (action, val) => {
volume_control.set_mute (val.get_boolean ());
});
this.volume_control.notify["mute"].connect ( () => {
mute_action.set_state (this.volume_control.mute);
});
return mute_action;
}
Action create_volume_action () {
var volume_action = new SimpleAction.stateful ("volume", null, this.volume_control.get_volume ());
volume_action.change_state.connect ( (action, val) => {
volume_control.set_volume (val.get_double ());
});
this.volume_control.volume_changed.connect ( (volume) => {
volume_action.set_state (volume);
});
this.volume_control.bind_property ("ready", volume_action, "enabled", BindingFlags.SYNC_CREATE);
return volume_action;
}
void bus_acquired (DBusConnection connection, string name) {
try {
connection.export_action_group ("/com/canonical/indicator/sound", this.actions);
connection.export_menu_model ("/com/canonical/indicator/sound/desktop", this.root_menu);
} catch (Error e) {
critical ("%s", e.message);
}
}
void name_lost (DBusConnection connection, string name) {
this.loop.quit ();
}
Variant action_state_for_player (MediaPlayer player) {
var builder = new VariantBuilder (new VariantType ("a{sv}"));
builder.add ("{sv}", "running", new Variant ("b", player.is_running));
builder.add ("{sv}", "state", new Variant ("s", player.state));
if (player.current_track != null) {
builder.add ("{sv}", "title", new Variant ("s", player.current_track.title));
builder.add ("{sv}", "artist", new Variant ("s", player.current_track.artist));
builder.add ("{sv}", "album", new Variant ("s", player.current_track.album));
builder.add ("{sv}", "art-url", new Variant ("s", player.current_track.art_url));
}
return builder.end ();
}
bool update_player_actions () {
foreach (var player in this.players) {
SimpleAction? action = this.actions.lookup (player.id) as SimpleAction;
if (action != null)
action.set_state (this.action_state_for_player (player));
}
this.player_action_update_id = 0;
return false;
}
void eventually_update_player_actions () {
if (player_action_update_id == 0)
this.player_action_update_id = Idle.add (this.update_player_actions);
}
void update_preferred_players () {
var builder = new VariantBuilder (VariantType.STRING_ARRAY);
foreach (var player in this.players)
builder.add ("s", player.id);
this.settings.set_value ("preferred-media-players", builder.end ());
}
void player_added (MediaPlayer player) {
var player_item = new MenuItem (player.name, "indicator." + player.id);
player_item.set_attribute ("x-canonical-type", "s", "com.canonical.unity.media-player");
player_item.set_attribute_value ("icon", g_icon_serialize (player.icon));
var section = new Menu ();
section.append_item (player_item);
this.menu.insert_section (this.menu.get_n_items () -1, null, section);
SimpleAction action = new SimpleAction.stateful (player.id, null, this.action_state_for_player (player));
action.activate.connect ( () => { player.launch (); });
this.actions.insert (action);
player.notify.connect (this.eventually_update_player_actions);
this.update_preferred_players ();
}
void player_removed (MediaPlayer player) {
this.actions.remove (player.id);
int n = this.menu.get_n_items ();
for (int i = 0; i < n; i++) {
var section = this.menu.get_item_link (i, Menu.LINK_SECTION);
string action;
section.get_item_attribute (0, "action", "s", out action);
if (action == player.id) {
this.menu.remove (i);
break;
}
}
this.update_preferred_players ();
}
}
|
