1 files changed, 82 insertions, 0 deletions
diff --git a/dom/xul/nsXULCommandDispatcher.h b/dom/xul/nsXULCommandDispatcher.h
new file mode 100644
index 0000000000..1f988c752e
--- /dev/null
+++ b/dom/xul/nsXULCommandDispatcher.h
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+/*
+
+   This is the focus manager for XUL documents.
+
+*/
+
+#ifndef nsXULCommandDispatcher_h__
+#define nsXULCommandDispatcher_h__
+
+#include "nsCOMPtr.h"
+#include "nsIDOMXULCommandDispatcher.h"
+#include "nsWeakReference.h"
+#include "nsString.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsTArray.h"
+#include "mozilla/RefPtr.h"
+
+class nsPIDOMWindowOuter;
+class nsPIWindowRoot;
+
+namespace mozilla::dom {
+class Document;
+class Element;
+}  // namespace mozilla::dom
+
+class nsXULCommandDispatcher : public nsIDOMXULCommandDispatcher,
+                               public nsSupportsWeakReference {
+  using Document = mozilla::dom::Document;
+  using Element = mozilla::dom::Element;
+
+ public:
+  explicit nsXULCommandDispatcher(Document* aDocument);
+
+  // nsISupports
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULCommandDispatcher,
+                                           nsIDOMXULCommandDispatcher)
+
+  // nsIDOMXULCommandDispatcher interface
+  NS_DECL_NSIDOMXULCOMMANDDISPATCHER
+
+  void Disconnect();
+
+ protected:
+  virtual ~nsXULCommandDispatcher();
+
+  already_AddRefed<nsPIWindowRoot> GetWindowRoot();
+
+  Element* GetRootFocusedContentAndWindow(nsPIDOMWindowOuter** aWindow);
+  nsresult MoveFocusIntoSubtree(Element*, bool aForward);
+
+  RefPtr<Document> mDocument;
+
+  class Updater {
+   public:
+    Updater(Element* aElement, const nsAString& aEvents,
+            const nsAString& aTargets)
+        : mElement(aElement),
+          mEvents(aEvents),
+          mTargets(aTargets),
+          mNext(nullptr) {}
+
+    RefPtr<Element> mElement;
+    nsString mEvents;
+    nsString mTargets;
+    Updater* mNext;
+  };
+
+  Updater* mUpdaters;
+
+  bool Matches(const nsString& aList, const nsAString& aElement);
+
+  bool mLocked;
+  nsTArray<nsString> mPendingUpdates;
+};
+
+#endif  // nsXULCommandDispatcher_h__