Add service that adheres to the new indicator protocol

This is the one that gets built now.  It doesn't do anything interesting yet,
though.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/service.vala b/src/service.vala
new file mode 100644
index 0000000..fc35dd7
--- /dev/null
+++ b/src/service.vala
@@ -0,0 +1,84 @@
+
+public class IndicatorSound.Service {
+	public Service () {
+	}
+
+	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, "('', 'audio-volume-high-panel', '', true)", null },
+		{ "mute", activate_mute, null, "false", null },
+		{ "volume", null, null, "0", volume_changed },
+		{ "settings", activate_settings, null, null, null }
+	};
+
+	MainLoop loop;
+	SimpleActionGroup actions;
+	Menu menu;
+
+	void activate_mute (SimpleAction action, Variant? param) {
+		bool muted = action.get_state ().get_boolean ();
+	}
+
+	void volume_changed (SimpleAction action, Variant val) {
+	}
+
+	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_base_menu () {
+		var submenu = new Menu ();
+		submenu.append ("Mute", "indicator.mute");
+
+		var slider = new MenuItem ("null", "indicator.volume");
+		slider.set_attribute ("x-canonical-type", "s", "com.canonical.unity.slider");
+		submenu.append_item (slider);
+
+		submenu.append ("Sound Settings…", "indicator.settings");
+
+		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;
+	}
+
+	void bus_acquired (DBusConnection connection, string name) {
+		this.actions = new SimpleActionGroup ();
+		this.actions.add_entries (action_entries, this);
+
+		this.menu = create_base_menu ();
+
+		try {
+			connection.export_action_group ("/com/canonical/indicator/sound", this.actions);
+			connection.export_menu_model ("/com/canonical/indicator/sound/desktop", this.menu);
+		} catch (Error e) {
+			critical ("%s", e.message);
+		}
+	}
+
+	void name_lost (DBusConnection connection, string name) {
+		this.loop.quit ();
+	}
+}