function AppQuitObserver() {
  this.runner = null;

  Services.obs.addObserver(this, "quit-application-requested", false);
}
/**
 * Observer for notifications when the application is going to shutdown
 */
Observer for notifications when the application is going to shutdown
Observer for notifications when the application is going to shutdown
function AppQuitObserver() {
  this.runner = null;
  Services.obs.addObserver(this, "quit-application-requested", false);
}
function AppQuitObserver ( ) { this . runner = null ; Services . obs . addObserver ( this , "quit-application-requested" , false ) ; }
Observer for notifications when the application is going to shutdown
Observer for notifications when the application is going to shutdown