JavaScript→Flash→JavaScript : ExternalInterfaceを使う

AS RUBY

http://storehouse.sakura.ne.jp/as/ex_if.html
Flashのバージョンごとの普及具合がいまいち不明…

import flash.external.ExternalInterface;

class ExIf {
  static function main() {
    ExternalInterface.addCallback('fs_func', null, function(msg) {
      ExternalInterface.call('js_func', msg);
    });
  };
}




~$ mtasc -version 8 -swf ex_if.swf -main ex_if.as -header 0:0:0

<html>
  <head>
    <script type="text/javascript">
      function $M(movieName) {
        return (navigator.appName.indexOf("Microsoft") != -1) ? window[movieName] : document[movieName];
      }

      function js_func(msg) {
        alert(msg);
      }
    </script>
  </head>
  <body>
    <object id="myflash" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="0" height="0">
      <param NAME="movie" VALUE="ex_if.swf">
      <embed name="myflash" src="ex_if.swf" width="0" height="0"></embed>
    </object>
    <input type="button" value="Click" onclick="$M('myflash').fs_func('call from javascript.');">
  </body>
</html>