this.loadRequiredFiles = function (callback) {
var scripts = ['version.js', 'global.js', 'JsHttpRequest.js', 'keydown.keycodes.js', 'keydown.observer.js', 'watchdog.js', 'usbdisk.js', 'load_bar.js', 'xpcom.common.js', 'xpcom.webkit.js', 'blocking.js', 'player.js'];
var filesloaded = 0;
var filestoload = scripts.length;
var i = 0;
onLoadScript();
function finishLoad() {
//console.log('Loading finish');
if (filesloaded === filestoload) {
//console.log('Load callback');
callback();
}
}
function onLoadScript() {
if ( i < scripts.length){
//console.log('Loading script ' + scripts[i]);
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = scripts[i];
script.onload = function () {
//console.log('Loaded script ' + scripts[i]);
filesloaded++; // (This means increment, i.e. add one)
i++;
onLoadScript();
};
document.head.appendChild(script);
} else {
finishLoad();
}
}
};