Method _subscribeToMenuStackClosed

src/cdk/menu/menu-trigger.ts:357–365

Subscribe to the MenuStack closed events.

()

  /** Subscribe to the MenuStack closed events. */
  private _subscribeToMenuStackClosed() {
    if (!this._parentMenu) {
      this.menuStack.closed.subscribe(({focusParentTrigger}) => {
        if (focusParentTrigger && !this.menuStack.length()) {
          this._elementRef.nativeElement.focus();
        }
      });
    }
  }

  /** Sets the role attribute for this trigger if needed. */
  private _setRole() {