Issue MoonchildProductions/UXP#1578 - Add global menubar support for GTK

widget/gtk/nsMenuItem.h

@@ -0,0 +1,77 @@
+/* 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 __nsMenuItem_h__
+#define __nsMenuItem_h__
+
+#include "mozilla/Attributes.h"
+#include "nsCOMPtr.h"
+
+#include "nsDbusmenu.h"
+#include "nsMenuObject.h"
+
+#include <glib.h>
+
+class nsIAtom;
+class nsIContent;
+class nsStyleContext;
+class nsMenuBar;
+class nsMenuContainer;
+
+/*
+ * This class represents 3 main classes of menuitems: labels, checkboxes and
+ * radio buttons (with/without an icon)
+ */
+class nsMenuItem final : public nsMenuObject {
+public:
+    nsMenuItem(nsMenuContainer* aParent, nsIContent* aContent);
+    ~nsMenuItem() override;
+
+    nsMenuObject::EType Type() const override;
+
+private:
+    friend class nsMenuItemUncheckSiblingsRunnable;
+
+    enum {
+        eMenuItemFlag_ToggleState = (1 << 0)
+    };
+
+    enum EMenuItemType {
+        eMenuItemType_Normal,
+        eMenuItemType_Radio,
+        eMenuItemType_CheckBox
+    };
+
+    bool IsCheckboxOrRadioItem() const;
+
+    static void item_activated_cb(DbusmenuMenuitem* menuitem,
+                                  guint timestamp,
+                                  gpointer user_data);
+    void Activate(uint32_t aTimestamp);
+
+    void CopyAttrFromNodeIfExists(nsIContent* aContent, nsIAtom* aAtom);
+    void UpdateState();
+    void UpdateTypeAndState();
+    void UpdateAccel();
+    nsMenuBar* MenuBar();
+    void UncheckSiblings();
+
+    void InitializeNativeData() override;
+    void UpdateContentAttributes() override;
+    void Update(nsStyleContext* aStyleContext) override;
+    bool IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const override;
+    nsMenuObject::PropertyFlags SupportedProperties() const override;
+
+    void OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) override;
+
+    EMenuItemType mType;
+
+    bool mIsChecked;
+
+    bool mNeedsUpdate;
+
+    nsCOMPtr<nsIContent> mKeyContent;
+};
+
+#endif /* __nsMenuItem_h__ */