/*
 *  This file is part of Deliantra clientV.
 *
 *  Copyright (©) 2017 Marek Olszewski <m.olszewski@wit.edu.pl>
 *
 *  Deliantra clientV is free software: you can redistribute it and/or
 *  modify it under the terms of the Affero GNU General Public License as
 *  published by the Free Software Foundation, either version 3 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 Affero GNU General Public Licens
 *  and the GNU General Public License along with this program. If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 *  The authors can be reached via e-mail to <support@deliantra.net>
 */

function CLoader () {
}
CLoader.prototype.toLoad      = [];
CLoader.prototype.totalCount  = 0;
CLoader.prototype.loadedCount = 0;
CLoader.prototype.loadCb      = function () {};
CLoader.prototype.add         = function (src) {
    /* /
    src = 'js/' + src + '.js?t=' + (new Date());
    /*/
    src = "js/" + src + ".js";
    //* /
    this.toLoad.push (src);
    this.totalCount++;
    
    return this;
};
CLoader.prototype.start = function (cb) {
    var self = this;

    self.loadCb = cb || function () {};
    this.loadNext ();
};
CLoader.prototype.loadNext = function () {
    var self = this;
    var i    = this.loadedCount;
    var sc   = document.createElement ("script");

    sc.addEventListener ("load", function () {
        self.onScriptLoad (sc);
    });
    sc.src = this.toLoad[i];
    document.head.appendChild (sc);
};
CLoader.prototype.onScriptLoad = function () {
    if (++this.loadedCount >= this.totalCount) {
        this.loadCb ();
    }
    this.loadNext ();
};
var Loader = new CLoader ();