mixercontrol

let _mixerControl;

function getMixerControl() {
    if (_mixerControl) {
        Lib.TalkativeLog('_mixer exist');
        return _mixerControl;
    } else {
        Lib.TalkativeLog('_mixer create');

        //_mixerControl = Main.panel.statusArea.aggregateMenu._volume._control;
        _mixerControl = new Gvc.MixerControl({
            name: 'ESC Mixer Control'
        });
        _mixerControl.open();

        while (_mixerControl.get_state() === Gvc.MixerControlState.CONNECTING) {
            switch (_mixerControl.get_state()) {
            case Gvc.MixerControlState.CLOSED:
                Lib.TalkativeLog('_mixer close');

                break;
            case Gvc.MixerControlState.CONNECTING:
                Lib.TalkativeLog('_mixer connecting');
                _mixerControl.open();
                break;
            case Gvc.MixerControlState.FAILED:
                Lib.TalkativeLog('_mixer failed');

                break;
            case Gvc.MixerControlState.READY:
                Lib.TalkativeLog('_mixer ready');

                break;
            default:
                Lib.TalkativeLog('_mixer UNK');
                break;

            }
        }
    }

    return _mixerControl;
}