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
|
/*
* 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 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/>.
*
* Authors:
* Lars Uebernickel <lars.uebernickel@canonical.com>
*/
class SoundMenu: Object
{
public enum DisplayFlags {
NONE = 0,
SHOW_MUTE = 1,
HIDE_INACTIVE_PLAYERS = 2
}
public SoundMenu (string? settings_action, DisplayFlags flags) {
/* A sound menu always has at least two sections: the volume section (this.volume_section)
* at the start of the menu, and the settings section at the end. Between those two,
* it has a dynamic amount of player sections, one for each registered player.
*/
this.volume_section = new Menu ();
if ((flags & DisplayFlags.SHOW_MUTE) != 0)
volume_section.append (_("Mute"), "indicator.mute");
volume_section.append_item (this.create_slider_menu_item ("indicator.volume(0)", 0.0, 1.0, 0.01,
"audio-volume-low-zero-panel",
"audio-volume-high-panel"));
this.menu = new Menu ();
this.menu.append_section (null, volume_section);
if (settings_action != null) {
settings_shown = true;
this.menu.append (_("Sound Settings…"), settings_action);
}
var root_item = new MenuItem (null, "indicator.root");
root_item.set_attribute ("x-canonical-type", "s", "com.canonical.indicator.root");
root_item.set_attribute ("x-canonical-scroll-action", "s", "indicator.scroll");
root_item.set_attribute ("x-canonical-secondary-action", "s", "indicator.mute");
root_item.set_submenu (this.menu);
this.root = new Menu ();
root.append_item (root_item);
this.hide_inactive = (flags & DisplayFlags.HIDE_INACTIVE_PLAYERS) != 0;
this.notify_handlers = new HashTable<MediaPlayer, ulong> (direct_hash, direct_equal);
}
public void export (DBusConnection connection, string object_path) {
try {
connection.export_menu_model (object_path, this.root);
} catch (Error e) {
critical ("%s", e.message);
}
}
public bool show_mic_volume {
get {
return this.mic_volume_shown;
}
set {
if (value && !this.mic_volume_shown) {
var slider = this.create_slider_menu_item ("indicator.mic-volume", 0.0, 1.0, 0.01,
"audio-input-microphone-low-zero-panel",
"audio-input-microphone-high-panel");
volume_section.append_item (slider);
this.mic_volume_shown = true;
}
else if (!value && this.mic_volume_shown) {
this.volume_section.remove (this.volume_section.get_n_items () -1);
this.mic_volume_shown = false;
}
}
}
public void add_player (MediaPlayer player) {
if (this.notify_handlers.contains (player))
return;
if (player.is_running || !this.hide_inactive)
this.insert_player_section (player);
this.update_playlists (player);
var handler_id = player.notify["is-running"].connect ( () => {
if (this.hide_inactive) {
if (player.is_running)
this.insert_player_section (player);
else
this.remove_player_section (player);
}
this.update_playlists (player);
});
this.notify_handlers.insert (player, handler_id);
player.playlists_changed.connect (this.update_playlists);
}
public void remove_player (MediaPlayer player) {
this.remove_player_section (player);
this.notify_handlers.remove (player);
}
Menu root;
Menu menu;
Menu volume_section;
bool mic_volume_shown;
bool settings_shown = false;
bool hide_inactive;
HashTable<MediaPlayer, ulong> notify_handlers;
/* returns the position in this.menu of the section that's associated with @player */
int find_player_section (MediaPlayer player) {
debug("Looking for player: %s", player.id);
string action_name = @"indicator.$(player.id)";
int n = this.menu.get_n_items () -1;
for (int i = 1; i < n; i++) {
var section = this.menu.get_item_link (i, Menu.LINK_SECTION);
if (section == null) continue;
string action;
section.get_item_attribute (0, "action", "s", out action);
if (action == action_name)
return i;
}
debug("Unable to find section for player: %s", player.id);
return -1;
}
void insert_player_section (MediaPlayer player) {
var section = new Menu ();
Icon icon;
debug("Adding section for player: %s", player.id);
icon = player.icon;
if (icon == null)
icon = new ThemedIcon.with_default_fallbacks ("application-default-icon");
var player_item = new MenuItem (player.name, "indicator." + player.id);
player_item.set_attribute ("x-canonical-type", "s", "com.canonical.unity.media-player");
if (icon != null)
player_item.set_attribute_value ("icon", icon.serialize ());
section.append_item (player_item);
var playback_item = new MenuItem (null, null);
playback_item.set_attribute ("x-canonical-type", "s", "com.canonical.unity.playback-item");
playback_item.set_attribute ("x-canonical-play-action", "s", "indicator.play." + player.id);
playback_item.set_attribute ("x-canonical-next-action", "s", "indicator.next." + player.id);
playback_item.set_attribute ("x-canonical-previous-action", "s", "indicator.previous." + player.id);
section.append_item (playback_item);
/* Add new players to the end of the player sections, just before the settings */
if (settings_shown) {
this.menu.insert_section (this.menu.get_n_items () -1, null, section);
} else {
this.menu.append_section (null, section);
}
}
void remove_player_section (MediaPlayer player) {
int index = this.find_player_section (player);
if (index >= 0)
this.menu.remove (index);
}
void update_playlists (MediaPlayer player) {
int index = find_player_section (player);
if (index < 0)
return;
var player_section = this.menu.get_item_link (index, Menu.LINK_SECTION) as Menu;
/* if a section has three items, the playlists menu is in it */
if (player_section.get_n_items () == 3)
player_section.remove (2);
if (!player.is_running)
return;
var count = player.get_n_playlists ();
if (count == 0)
return;
var playlists_section = new Menu ();
for (int i = 0; i < count; i++) {
var playlist_id = player.get_playlist_id (i);
playlists_section.append (player.get_playlist_name (i),
@"indicator.play-playlist.$(player.id)::$playlist_id");
}
var submenu = new Menu ();
submenu.append_section (null, playlists_section);
player_section.append_submenu (_("Choose Playlist"), submenu);
}
MenuItem create_slider_menu_item (string action, double min, double max, double step, string min_icon_name, string max_icon_name) {
var min_icon = new ThemedIcon.with_default_fallbacks (min_icon_name);
var max_icon = new ThemedIcon.with_default_fallbacks (max_icon_name);
var slider = new MenuItem (null, action);
slider.set_attribute ("x-canonical-type", "s", "com.canonical.unity.slider");
slider.set_attribute_value ("min-icon", min_icon.serialize ());
slider.set_attribute_value ("max-icon", max_icon.serialize ());
slider.set_attribute ("min-value", "d", min);
slider.set_attribute ("max-value", "d", max);
slider.set_attribute ("step", "d", step);
return slider;
}
}
|
