gvc init #2

let MixerControl = null;
let isConnected = false;

const MixerAudio = new Lang.Class({
    Name: 'MixerAudio',

    _init: function () {
        Lib.TalkativeLog('mixer _init');

        MixerControl = this._getMixerControl();

        if (MixerControl) {
            isConnected = true;
            MixerControl.connect("state-changed", Lang.bind(this, this._onChangeStatePAC));
        } else {
            Lib.TalkativeLog('Error lib pulse NOT present or NOT respond');
        }
    },

    _getMixerControl: function () {
        var _mixerTmp;
        if (MixerControl) {
            Lib.TalkativeLog('mixer exist -> ' + MixerControl +
                ' state -> ' + MixerControl.get_state());

            return MixerControl;
        } else {
            Lib.TalkativeLog('mixer create');

            _mixerTmp = new Gvc.MixerControl({
                name: 'ESC Mixer Control'
            });
            _mixerTmp.open();

            return _mixerTmp;
        }
    },

    _onChangeStatePAC: function () {
        Lib.TalkativeLog('mixer state changed');

        switch (MixerControl.get_state()) {
        case Gvc.MixerControlState.CLOSED:
            Lib.TalkativeLog('mixer close');

            isConnected = false;
            break;
        case Gvc.MixerControlState.CONNECTING:
            Lib.TalkativeLog('mixer connecting');
            isConnected = false;
            break;
        case Gvc.MixerControlState.FAILED:
            Lib.TalkativeLog('mixer failed');

            isConnected = false;
            break;
        case Gvc.MixerControlState.READY:
            Lib.TalkativeLog('mixer ready');

            isConnected = true;

            var tmp = MixerControl.get_cards();
            Lib.TalkativeLog('mixer cards -> ' + tmp.length);
            for (let x in tmp) {
                Lib.TalkativeLog('_card index: ' + tmp[x].index);
                Lib.TalkativeLog('_card name: ' + tmp[x].name);
                Lib.TalkativeLog('_card icon: ' + tmp[x].icon_name);
                Lib.TalkativeLog('_card profile: ' + tmp[x].profile);
                Lib.TalkativeLog('_card human profile: ' + tmp[x].human_profile);
            }

            tmp = MixerControl.get_sources();
            Lib.TalkativeLog('mixer sources -> ' + tmp.length);
            for (let x in tmp) {
                Lib.TalkativeLog('_source index: ' + tmp[x].index);
                Lib.TalkativeLog('_source name: ' + tmp[x].name);
                Lib.TalkativeLog('_source icon: ' + tmp[x].icon_name);
                Lib.TalkativeLog('_source description: ' + tmp[x].description);
            }

            tmp = MixerControl.get_source_outputs();
            Lib.TalkativeLog('mixer source output -> ' + tmp.length);
            for (let x in tmp) {
                Lib.TalkativeLog('_sourceouput index: ' + tmp[x].index);
                Lib.TalkativeLog('_sourceouput name: ' + tmp[x].name);
                Lib.TalkativeLog('_sourceoutput icon: ' + tmp[x].icon_name);
                Lib.TalkativeLog('_sourceoutput description: ' + tmp[x].description);
            }

            tmp = MixerControl.get_sink_inputs();
            Lib.TalkativeLog('mixer sink input -> ' + tmp.length);
            for (let x in tmp) {
                Lib.TalkativeLog('_sink index: ' + tmp[x].index);
                Lib.TalkativeLog('_sink name: ' + tmp[x].name);
                Lib.TalkativeLog('_sink icon: ' + tmp[x].icon_name);
                Lib.TalkativeLog('_sink description: ' + tmp[x].description);
            }

            tmp = MixerControl.get_streams();
            Lib.TalkativeLog('mixer stream -> ' + tmp.length);
            for (let x in tmp) {
                Lib.TalkativeLog('_stream index: ' + tmp[x].index);
                Lib.TalkativeLog('_stream name: ' + tmp[x].name);
                Lib.TalkativeLog('_stream icon: ' + tmp[x].icon_name);
                Lib.TalkativeLog('_stream description: ' + tmp[x].description);;
            }

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

            isConnected = false;
            break;
        }
    },

    checkPulseAudio: function () {
        Lib.TalkativeLog('check pulseaudio lib presence: ' + isConnected);

        return isConnected;
    },

    destroy: function () {
        this.destroy();
    }
});