1 files changed, 99 insertions, 0 deletions
diff --git a/dom/base/nsWindowRoot.h b/dom/base/nsWindowRoot.h
new file mode 100644
index 0000000000..821095d2c9
--- /dev/null
+++ b/dom/base/nsWindowRoot.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 nsWindowRoot_h__
+#define nsWindowRoot_h__
+
+class nsIGlobalObject;
+
+#include "mozilla/Attributes.h"
+#include "mozilla/EventListenerManager.h"
+#include "nsIWeakReferenceUtils.h"
+#include "nsPIWindowRoot.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsTHashSet.h"
+#include "nsHashKeys.h"
+
+class nsWindowRoot final : public nsPIWindowRoot {
+ public:
+  explicit nsWindowRoot(nsPIDOMWindowOuter* aWindow);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_IMETHOD_(void) DeleteCycleCollectable() override;
+
+  mozilla::EventListenerManager* GetExistingListenerManager() const override;
+  mozilla::EventListenerManager* GetOrCreateListenerManager() override;
+
+  bool ComputeDefaultWantsUntrusted(mozilla::ErrorResult& aRv) final;
+
+  // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230)
+  MOZ_CAN_RUN_SCRIPT_BOUNDARY bool DispatchEvent(
+      mozilla::dom::Event& aEvent, mozilla::dom::CallerType aCallerType,
+      mozilla::ErrorResult& aRv) override;
+
+  void GetEventTargetParent(mozilla::EventChainPreVisitor& aVisitor) override;
+
+  nsresult PostHandleEvent(mozilla::EventChainPostVisitor& aVisitor) override;
+
+  // nsPIWindowRoot
+
+  nsPIDOMWindowOuter* GetWindow() override;
+
+  nsresult GetControllers(bool aForVisibleWindow,
+                          nsIControllers** aResult) override;
+  nsresult GetControllerForCommand(const char* aCommand, bool aForVisibleWindow,
+                                   nsIController** _retval) override;
+
+  void GetEnabledDisabledCommands(
+      nsTArray<nsCString>& aEnabledCommands,
+      nsTArray<nsCString>& aDisabledCommands) override;
+
+  already_AddRefed<nsINode> GetPopupNode() override;
+  void SetPopupNode(nsINode* aNode) override;
+
+  void SetParentTarget(mozilla::dom::EventTarget* aTarget) override {
+    mParent = aTarget;
+  }
+  mozilla::dom::EventTarget* GetParentTarget() override { return mParent; }
+  nsPIDOMWindowOuter* GetOwnerGlobalForBindingsInternal() override;
+  nsIGlobalObject* GetOwnerGlobal() const override;
+
+  nsIGlobalObject* GetParentObject();
+
+  JSObject* WrapObject(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
+
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsWindowRoot)
+
+  void AddBrowser(nsIRemoteTab* aBrowser) override;
+  void RemoveBrowser(nsIRemoteTab* aBrowser) override;
+  void EnumerateBrowsers(BrowserEnumerator aEnumFunc, void* aArg) override;
+
+ protected:
+  virtual ~nsWindowRoot();
+
+  void GetEnabledDisabledCommandsForControllers(
+      nsIControllers* aControllers, nsTHashSet<nsCString>& aCommandsHandled,
+      nsTArray<nsCString>& aEnabledCommands,
+      nsTArray<nsCString>& aDisabledCommands);
+
+  // Members
+  nsCOMPtr<nsPIDOMWindowOuter> mWindow;
+  // We own the manager, which owns event listeners attached to us.
+  RefPtr<mozilla::EventListenerManager> mListenerManager;  // [Strong]
+  nsWeakPtr mPopupNode;
+
+  nsCOMPtr<mozilla::dom::EventTarget> mParent;
+
+  // The BrowserParents that are currently registered with this top-level
+  // window.
+  using WeakBrowserTable = nsTHashSet<RefPtr<nsIWeakReference>>;
+  WeakBrowserTable mWeakBrowsers;
+};
+
+extern already_AddRefed<mozilla::dom::EventTarget> NS_NewWindowRoot(
+    nsPIDOMWindowOuter* aWindow);
+
+#endif