aboutsummaryrefslogtreecommitdiff
path: root/src/sound-menu.vala
blob: 896b7d27a12af87a617d90949a5f98341daa26fd (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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
/*
 * 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>
 */

public class SoundMenu: Object
{
	public enum DisplayFlags {
		NONE = 0,
		SHOW_MUTE = 1,
		HIDE_INACTIVE_PLAYERS = 2,
		HIDE_PLAYERS = 4,
		GREETER_PLAYERS = 8,
		SHOW_SILENT_MODE = 16, 
		HIDE_INACTIVE_PLAYERS_PLAY_CONTROLS = 32
	}

	public enum PlayerSectionPosistion {
		LABEL = 0,
		PLAYER_CONTROLS = 1,
		PLAYLIST = 2
	}

	const string PLAYBACK_ITEM_TYPE = "com.canonical.unity.playback-item";

	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");
		if ((flags & DisplayFlags.SHOW_SILENT_MODE) != 0) {
			var item = new MenuItem(_("Silent Mode"), "indicator.silent-mode");
			item.set_attribute("x-canonical-type", "s", "com.canonical.indicator.switch");
			volume_section.append_item(item);
		}

		volume_section.append_item (this.create_slider_menu_item (_("Volume"), "indicator.volume(0)", 0.0, 1.0, 0.01,
																  "audio-volume-low-zero-panel",
																  "audio-volume-high-panel", true));

		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_attribute ("submenu-action", "s", "indicator.indicator-shown");
		root_item.set_submenu (this.menu);

		this.root = new Menu ();
		root.append_item (root_item);

		this.hide_players = (flags & DisplayFlags.HIDE_PLAYERS) != 0;
		this.hide_inactive = (flags & DisplayFlags.HIDE_INACTIVE_PLAYERS) != 0;
		this.hide_inactive_player_controls = (flags & DisplayFlags.HIDE_INACTIVE_PLAYERS_PLAY_CONTROLS) != 0;
		this.notify_handlers = new HashTable<MediaPlayer, ulong> (direct_hash, direct_equal);

		this.greeter_players = (flags & DisplayFlags.GREETER_PLAYERS) != 0;

	}

	~SoundMenu () {
		if (export_id != 0) {
			bus.unexport_menu_model(export_id);
			export_id = 0;
		}
	}

	DBusConnection? bus = null;
	uint export_id = 0;

	public void export (DBusConnection connection, string object_path) {
		bus = connection;
		try {
			export_id = bus.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 (_("Microphone Volume"), "indicator.mic-volume", 0.0, 1.0, 0.01,
														   "audio-input-microphone-low-zero-panel",
														   "audio-input-microphone-high-panel", false);
				volume_section.append_item (slider);
				this.mic_volume_shown = true;
			}
			else if (!value && this.mic_volume_shown) {
				int location = -1;
				while ((location = find_action(this.volume_section, "indicator.mic-volume")) != -1) {
					this.volume_section.remove (location);
				}
				this.mic_volume_shown = false;
			}
		}
	}

	public bool show_high_volume_warning {
		get {
			return this.high_volume_warning_shown;
		}
		set {
			if (value && !this.high_volume_warning_shown) {
				/* NOTE: Action doesn't really exist, just used to find below when removing */
				var item = new MenuItem(_("High volume can damage your hearing."), "indicator.high-volume-warning-item");
				volume_section.append_item (item);
				this.high_volume_warning_shown = true;
			}
			else if (!value && this.high_volume_warning_shown) {
				int location = -1;
				while ((location = find_action(this.volume_section, "indicator.high-volume-warning-item")) != -1) {
					this.volume_section.remove (location);
				}
				this.high_volume_warning_shown = false;
			}
		}
	}

	int find_action (Menu menu, string in_action) {
		int n = menu.get_n_items ();
		for (int i = 0; i < n; i++) {
			string action;
			menu.get_item_attribute (i, "action", "s", out action);
			if (in_action == action)
				return i;
		}

		return -1;
	}

	public void update_all_players_play_section() {
		foreach (var player_stored in notify_handlers.get_keys ()) {
			int index = this.find_player_section(player_stored);
			if (index != -1) {
				// just update to verify if we must hide the player controls
				update_player_section (player_stored, index);
			}
		}
	}

	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 ( () => {
			int index = this.find_player_section(player);
			if (player.is_running) {
				if (index == -1) {
					this.insert_player_section (player);
				}
				else {
					update_player_section (player, index);
				}
				number_of_running_players++;
			}
			else {
				number_of_running_players--;
				if (this.hide_inactive)
					this.remove_player_section (player);
				else {
					if (index != -1) {
						// just update to verify if we must hide the player controls
						update_player_section (player, index);
					}
				}
			}
			this.update_playlists (player);

			// we need to update the rest of players, because we might have
			// a non running player still showing the playback controls
			update_all_players_play_section();
		});
		this.notify_handlers.insert (player, handler_id);

		player.playlists_changed.connect (this.update_playlists);
		player.playbackstatus_changed.connect (this.update_playbackstatus);
	}

	public void remove_player (MediaPlayer player) {
		this.remove_player_section (player);

		var id = this.notify_handlers.lookup(player);
		if (id != 0) {
			player.disconnect(id);
		}

		player.playlists_changed.disconnect (this.update_playlists);

		/* this'll drop our ref to it */
		this.notify_handlers.remove (player);
	}

	public void update_volume_slider (VolumeControl.ActiveOutput active_output) {
		int index = find_action (this.volume_section, "indicator.volume");
		if (index != -1) {
			string label = "Volume";
			switch (active_output) {
				case VolumeControl.ActiveOutput.SPEAKERS:
					label = _("Volume");
					break;
				case VolumeControl.ActiveOutput.HEADPHONES:
					label = _("Volume (Headphones)");
					break;
				case VolumeControl.ActiveOutput.BLUETOOTH_SPEAKER:
					label = _("Volume (Bluetooth)");
					break;
				case VolumeControl.ActiveOutput.USB_SPEAKER:
					label = _("Volume (Usb)");
					break;
				case VolumeControl.ActiveOutput.HDMI_SPEAKER:
					label = _("Volume (HDMI)");
					break;
				case VolumeControl.ActiveOutput.BLUETOOTH_HEADPHONES:
					label = _("Volume (Bluetooth headphones)");
					break;
				case VolumeControl.ActiveOutput.USB_HEADPHONES:
					label = _("Volume (Usb headphones)");
					break;
				case VolumeControl.ActiveOutput.HDMI_HEADPHONES:
					label = _("Volume (HDMI headphones)");
					break;
			}
			this.volume_section.remove (index);
			this.volume_section.insert_item (index, this.create_slider_menu_item (_(label), "indicator.volume(0)", 0.0, 1.0, 0.01,
																  "audio-volume-low-zero-panel",
																  "audio-volume-high-panel", true));
		}
	}

	public Menu root;
	public Menu menu;
	Menu volume_section;
	bool mic_volume_shown;
	bool settings_shown = false;
	bool high_volume_warning_shown = false;
	bool hide_inactive;
	bool hide_players = false;
	bool hide_inactive_player_controls = false;
	HashTable<MediaPlayer, ulong> notify_handlers;
	bool greeter_players = false;
	int number_of_running_players = 0;

	/* 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 ();
		for (int i = 0; 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;
	}

	int find_player_playback_controls_section (Menu player_menu) {
		int n = player_menu.get_n_items ();
		for (int i = 0; i < n; i++) {
			string type;
			player_menu.get_item_attribute (i, "x-canonical-type", "s", out type);
			if (type == PLAYBACK_ITEM_TYPE)
				return i;
		}

		return -1;
	}

	MenuItem create_playback_menu_item (MediaPlayer player) {
		var playback_item = new MenuItem (null, null);
		playback_item.set_attribute ("x-canonical-type", "s", "com.canonical.unity.playback-item");
		if (player.is_running) {
			if (player.can_do_play) {
				playback_item.set_attribute ("x-canonical-play-action", "s", "indicator.play." + player.id);
			}
			if (player.can_do_next) {
				playback_item.set_attribute ("x-canonical-next-action", "s", "indicator.next." + player.id);
			}
			if (player.can_do_prev) {
				playback_item.set_attribute ("x-canonical-previous-action", "s", "indicator.previous." + player.id);
			}
		}
		return playback_item;
	}

	void insert_player_section (MediaPlayer player) {
		if (this.hide_players)
			return;

		var section = new Menu ();
		Icon icon;

		debug("Adding section for player: %s (%s)", player.id, player.is_running ? "running" : "not running");

		icon = player.icon;
		if (icon == null)
			icon = new ThemedIcon.with_default_fallbacks ("application-default-icon");

		var base_action = "indicator." + player.id;
		if (this.greeter_players)
			base_action += ".greeter";

		var player_item = new MenuItem (player.name, base_action);
		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 = create_playback_menu_item (player);
		if (player.is_running|| !this.hide_inactive_player_controls) {
			section.insert_item (PlayerSectionPosistion.PLAYER_CONTROLS, 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) {
		if (this.hide_players)
			return;

		int index = this.find_player_section (player);
		if (index >= 0)
			this.menu.remove (index);
	}

	void update_player_section (MediaPlayer player, int index) {
		var player_section = this.menu.get_item_link(index, Menu.LINK_SECTION) as Menu;

		int play_control_index = find_player_playback_controls_section (player_section);
		if (player.is_running || !this.hide_inactive_player_controls) {
			MenuItem playback_item = create_playback_menu_item (player);
			if (play_control_index != -1) {
				player_section.remove (PlayerSectionPosistion.PLAYER_CONTROLS);	
			}
			player_section.insert_item (PlayerSectionPosistion.PLAYER_CONTROLS, playback_item);
		} else {
			if (play_control_index != -1 && number_of_running_players >= 1) {
				// remove both, playlist and play controls
				player_section.remove (PlayerSectionPosistion.PLAYLIST);
				player_section.remove (PlayerSectionPosistion.PLAYER_CONTROLS);	
			}
		}
	}

	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);
	}
	
	void update_playbackstatus (MediaPlayer player) {
		int index = find_player_section (player);
		if (index != -1) {
			update_player_section (player, index);	
		}
	}

	MenuItem create_slider_menu_item (string label, string action, double min, double max, double step, string min_icon_name, string max_icon_name, bool sync_action) {
		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 (label, 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);
		if (sync_action) {
			slider.set_attribute ("x-canonical-sync-action", "s", "indicator.volume-sync");
		}

		return slider;
	}
}