nsMenuParentX.h - mozsearch

Enable keyboard shortcuts

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsMenuParentX_h_

#define nsMenuParentX_h_

#include "mozilla/RefPtr.h"

#include "mozilla/Variant.h"

class nsMenuX;

class nsMenuBarX;

class nsMenuItemX;

// A base class for objects that can be the parent of an nsMenuX or nsMenuItemX.

class nsMenuParentX {

 public:

  using MenuChild = mozilla::Variant<RefPtr<nsMenuX>, RefPtr<nsMenuItemX>>;

  // XXXmstange double-check that this is still needed

  virtual nsMenuBarX* AsMenuBar() { return nullptr; }

  // Called when aChild becomes visible or hidden, so that the parent can insert

  // or remove the child's native menu item from its NSMenu and update its state

  // of visible items.

  virtual void MenuChildChangedVisibility(const MenuChild& aChild,

                                          bool aIsVisible) = 0;

};

#endif  // nsMenuParentX_h_