Add base gnome extensions

gnome/.local/share/extensions/appindicatorsupport@rgcjonas.gmail.com/trayIconsManager.js

@@ -0,0 +1,104 @@
+// 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;
+    }
+}