Check if a TLF Text textflow has fonts embedded

[Bindable]
public var details:String;

protected function getTextDetails(event:MouseEvent):void {

    // will return device, embedded or embeddedCFF
    var fontLookup:String = Object(event.currentTarget).textFlow.computedFormat.fontLookup;
    var fontFamily:String = Object(event.currentTarget).textFlow.computedFormat.fontFamily;
    var renderingMode:String = Object(event.currentTarget).textFlow.computedFormat.renderingMode;
    var details:String = "Font: "+fontFamily+", Font Lookup: "+fontLookup + ", Rendering Mode: "+renderingMode;
}