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-rw-r--r--widget/cocoa/nsMenuItemX.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/widget/cocoa/nsMenuItemX.h b/widget/cocoa/nsMenuItemX.h
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+/* -*- 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_