const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const St = imports.gi.St;
const Shell = imports.gi.Shell;
const Main = imports.ui.main;

function OnScreenKeyboardButton() {
    this._init();
}

OnScreenKeyboardButton.prototype = {
    _init: function() {
        label = GLib.markup_escape_text('Keyboard', -1);
        this.actor = new St.Button ({ label: label });
        this.actor.connect("clicked", Lang.bind(this, this._toggleShowOnScreenKeyboard));
    },

    _toggleShowOnScreenKeyboard: function() {
        if (Main.keyboard && Main.keyboard._visible) {
		Main.keyboard.hide();
        } else {
		Main.keyboard.show();
        }
    },
};

let button;

function init() {
    button = new OnScreenKeyboardButton();
}

function enable() {
	let _children = Main.panel._centerBox.get_children();
        Main.panel._centerBox.insert_actor(button.actor, _children.length - 1);
        Main.panel._centerBox.add(button.actor);
}

function disable() {
	Main.panel._centerBoxBox.remove_actor(button.actor);
}