Current File : //usr/share/gnome-shell/extensions/ubuntu-appindicators@ubuntu.com/trayIconsManager.js
// This file is part of the AppIndicator/KStatusNotifierItem GNOME Shell extension
//
// 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; either version 2
// of the License, or (at your option) any later version.
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import Shell from 'gi://Shell';
import * as Main from 'resource:///org/gnome/shell/ui/main.js';
import * as Signals from 'resource:///org/gnome/shell/misc/signals.js';
import * as IndicatorStatusIcon from './indicatorStatusIcon.js';
import * as Util from './util.js';
import * as SettingsManager from './settingsManager.js';
let trayIconsManager;
export class TrayIconsManager extends Signals.EventEmitter {
static initialize() {
if (!trayIconsManager)
trayIconsManager = new TrayIconsManager();
return trayIconsManager;
}
static destroy() {
trayIconsManager.destroy();
}
constructor() {
super();
if (trayIconsManager)
throw new Error('TrayIconsManager is already constructed');
this._changedId = SettingsManager.getDefaultGSettings().connect(
'changed::legacy-tray-enabled', () => this._toggle());
this._toggle();
}
_toggle() {
if (SettingsManager.getDefaultGSettings().get_boolean('legacy-tray-enabled'))
this._enable();
else
this._disable();
}
_enable() {
if (this._tray)
return;
this._tray = new Shell.TrayManager();
Util.connectSmart(this._tray, 'tray-icon-added', this, this.onTrayIconAdded);
Util.connectSmart(this._tray, 'tray-icon-removed', this, this.onTrayIconRemoved);
this._tray.manage_screen(Main.panel);
}
_disable() {
if (!this._tray)
return;
IndicatorStatusIcon.getTrayIcons().forEach(i => i.destroy());
if (this._tray.unmanage_screen) {
this._tray.unmanage_screen();
this._tray = null;
} else {
// FIXME: This is very ugly, but it's needed by old shell versions
this._tray = null;
imports.system.gc(); // force finalizing tray to unmanage screen
}
}
onTrayIconAdded(_tray, icon) {
const trayIcon = new IndicatorStatusIcon.IndicatorStatusTrayIcon(icon);
IndicatorStatusIcon.addIconToPanel(trayIcon);
}
onTrayIconRemoved(_tray, icon) {
try {
const [trayIcon] = IndicatorStatusIcon.getTrayIcons().filter(i => i.icon === icon);
trayIcon.destroy();
} catch (e) {
Util.Logger.warning(`No icon container found for ${icon.title} (${icon})`);
}
}
destroy() {
this.emit('destroy');
SettingsManager.getDefaultGSettings().disconnect(this._changedId);
this._disable();
trayIconsManager = null;
}
}
Mini Shell