1 files changed, 105 insertions, 0 deletions
diff --git a/widget/cocoa/nsMenuItemX.h b/widget/cocoa/nsMenuItemX.h
new file mode 100644
index 0000000000..980105e123
--- /dev/null
+++ b/widget/cocoa/nsMenuItemX.h
@@ -0,0 +1,105 @@
+/* -*- 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 nsMenuItemX_h_
+#define nsMenuItemX_h_
+
+#include "mozilla/RefPtr.h"
+#include "nsISupports.h"
+#include "nsMenuGroupOwnerX.h"
+#include "nsMenuItemIconX.h"
+#include "nsChangeObserver.h"
+#include "nsStringFwd.h"
+
+#import <Cocoa/Cocoa.h>
+
+class nsMenuItemIconX;
+class nsMenuX;
+class nsMenuParentX;
+
+namespace mozilla {
+namespace dom {
+class Element;
+}
+}  // namespace mozilla
+
+enum {
+  knsMenuItemNoModifier = 0,
+  knsMenuItemShiftModifier = (1 << 0),
+  knsMenuItemAltModifier = (1 << 1),
+  knsMenuItemControlModifier = (1 << 2),
+  knsMenuItemCommandModifier = (1 << 3)
+};
+
+enum EMenuItemType {
+  eRegularMenuItemType = 0,
+  eCheckboxMenuItemType,
+  eRadioMenuItemType,
+  eSeparatorMenuItemType
+};
+
+// Once instantiated, this object lives until its DOM node or its parent window
+// is destroyed. Do not hold references to this, they can become invalid any
+// time the DOM node can be destroyed.
+class nsMenuItemX final : public nsChangeObserver,
+                          public nsMenuItemIconX::Listener {
+ public:
+  nsMenuItemX(nsMenuX* aParent, const nsString& aLabel, EMenuItemType aItemType,
+              nsMenuGroupOwnerX* aMenuGroupOwner, nsIContent* aNode);
+
+  bool IsVisible() const { return mIsVisible; }
+
+  // Unregisters nsMenuX from the nsMenuGroupOwner, and nulls out the group
+  // owner pointer. This is needed because nsMenuX is reference-counted and can
+  // outlive its owner, and the menu group owner asserts that everything has
+  // been unregistered when it is destroyed.
+  void DetachFromGroupOwner();
+
+  // Nulls out our reference to the parent.
+  // This is needed because nsMenuX is reference-counted and can outlive its
+  // parent.
+  void DetachFromParent() { mMenuParent = nullptr; }
+
+  NS_INLINE_DECL_REFCOUNTING(nsMenuItemX)
+
+  NS_DECL_CHANGEOBSERVER
+
+  // nsMenuItemIconX::Listener
+  void IconUpdated() override;
+
+  // nsMenuItemX
+  nsresult SetChecked(bool aIsChecked);
+  EMenuItemType GetMenuItemType();
+  void DoCommand(NSEventModifierFlags aModifierFlags, int16_t aButton);
+  nsresult DispatchDOMEvent(const nsString& eventName,
+                            bool* preventDefaultCalled);
+  void SetupIcon();
+  nsMenuX* ParentMenu() { return mMenuParent; }
+  nsIContent* Content() { return mContent; }
+  NSMenuItem* NativeNSMenuItem() { return mNativeMenuItem; }
+
+  void Dump(uint32_t aIndent) const;
+
+ protected:
+  virtual ~nsMenuItemX();
+
+  void UncheckRadioSiblings(nsIContent* aCheckedElement);
+  void SetKeyEquiv();
+
+  nsCOMPtr<nsIContent> mContent;  // XUL <menuitem> or <menuseparator>
+
+  EMenuItemType mType;
+
+  // nsMenuItemX objects should always have a valid native menu item.
+  NSMenuItem* mNativeMenuItem = nil;             // [strong]
+  nsMenuX* mMenuParent = nullptr;                // [weak]
+  nsMenuGroupOwnerX* mMenuGroupOwner = nullptr;  // [weak]
+  RefPtr<mozilla::dom::Element> mCommandElement;
+  mozilla::UniquePtr<nsMenuItemIconX> mIcon;  // always non-null
+  bool mIsChecked = false;
+  bool mIsVisible = false;
+};
+
+#endif  // nsMenuItemX_h_