function _enable() {
    if (this._enabled)
      return;
    this._enabled = true;

    dump('AccessFu enable');
    this.addPresenter(new VisualPresenter());

    // Implicitly add the Android presenter on Android.
    if (Services.appinfo.OS == 'Android')
      this.addPresenter(new AndroidPresenter());

    VirtualCursorController.attach(this.chromeWin);

    Services.obs.addObserver(this, 'accessible-event', false);
    this.chromeWin.addEventListener('DOMActivate', this, true);
    this.chromeWin.addEventListener('resize', this, true);
    this.chromeWin.addEventListener('scroll', this, true);
    this.chromeWin.addEventListener('TabOpen', this, true);
    this.chromeWin.addEventListener('focus', this, true);
  }
/**
   * Start AccessFu mode, this primarily means controlling the virtual cursor
   * with arrow keys.
   */
Start AccessFu mode, this primarily means controlling the virtual cursor
with arrow keys.
Start AccessFu mode this primarily means controlling the virtual cursor with arrow keys .
function _enable() {
    if (this._enabled)
      return;
    this._enabled = true;
    dump('AccessFu enable');
    this.addPresenter(new VisualPresenter());
    if (Services.appinfo.OS == 'Android')
      this.addPresenter(new AndroidPresenter());
    VirtualCursorController.attach(this.chromeWin);
    Services.obs.addObserver(this, 'accessible-event', false);
    this.chromeWin.addEventListener('DOMActivate', this, true);
    this.chromeWin.addEventListener('resize', this, true);
    this.chromeWin.addEventListener('scroll', this, true);
    this.chromeWin.addEventListener('TabOpen', this, true);
    this.chromeWin.addEventListener('focus', this, true);
  }
function _enable ( ) { if ( this . _enabled ) return ; this . _enabled = true ; dump ( 'AccessFu enable' ) ; this . addPresenter ( new VisualPresenter ( ) ) ; if ( Services . appinfo . OS == 'Android' ) this . addPresenter ( new AndroidPresenter ( ) ) ; VirtualCursorController . attach ( this . chromeWin ) ; Services . obs . addObserver ( this , 'accessible-event' , false ) ; this . chromeWin . addEventListener ( 'DOMActivate' , this , true ) ; this . chromeWin . addEventListener ( 'resize' , this , true ) ; this . chromeWin . addEventListener ( 'scroll' , this , true ) ; this . chromeWin . addEventListener ( 'TabOpen' , this , true ) ; this . chromeWin . addEventListener ( 'focus' , this , true ) ; }
Start AccessFu mode, this primarily means controlling the virtual cursor
 with arrow keys.
Start AccessFu mode this primarily means controlling the virtual cursor with arrow keys .
// Implicitly add the Android presenter on Android.