1 files changed, 77 insertions, 0 deletions
diff --git a/dom/debugger/CallbackDebuggerNotification.h b/dom/debugger/CallbackDebuggerNotification.h
new file mode 100644
index 0000000000..8059ac9ed4
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+++ b/dom/debugger/CallbackDebuggerNotification.h
@@ -0,0 +1,77 @@
+/* -*- 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 mozilla_dom_CallbackDebuggerNotification_h
+#define mozilla_dom_CallbackDebuggerNotification_h
+
+#include "DebuggerNotification.h"
+#include "DebuggerNotificationManager.h"
+
+namespace mozilla::dom {
+
+class CallbackDebuggerNotification : public DebuggerNotification {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CallbackDebuggerNotification,
+                                           DebuggerNotification)
+
+  CallbackDebuggerNotification(nsIGlobalObject* aDebuggeeGlobal,
+                               DebuggerNotificationType aType,
+                               CallbackDebuggerNotificationPhase aPhase,
+                               nsIGlobalObject* aOwnerGlobal = nullptr)
+      : DebuggerNotification(aDebuggeeGlobal, aType, aOwnerGlobal),
+        mPhase(aPhase) {}
+
+  // nsWrapperCache
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  already_AddRefed<DebuggerNotification> CloneInto(
+      nsIGlobalObject* aNewOwner) const override;
+
+  CallbackDebuggerNotificationPhase Phase() const { return mPhase; }
+
+ protected:
+  ~CallbackDebuggerNotification() = default;
+
+  CallbackDebuggerNotificationPhase mPhase;
+};
+
+class MOZ_RAII CallbackDebuggerNotificationGuard final {
+ public:
+  MOZ_CAN_RUN_SCRIPT CallbackDebuggerNotificationGuard(
+      nsIGlobalObject* aDebuggeeGlobal, DebuggerNotificationType aType)
+      : mDebuggeeGlobal(aDebuggeeGlobal), mType(aType) {
+    Dispatch(CallbackDebuggerNotificationPhase::Pre);
+  }
+  CallbackDebuggerNotificationGuard(const CallbackDebuggerNotificationGuard&) =
+      delete;
+  CallbackDebuggerNotificationGuard(CallbackDebuggerNotificationGuard&&) =
+      delete;
+  CallbackDebuggerNotificationGuard& operator=(
+      const CallbackDebuggerNotificationGuard&) = delete;
+  CallbackDebuggerNotificationGuard& operator=(
+      CallbackDebuggerNotificationGuard&&) = delete;
+
+  MOZ_CAN_RUN_SCRIPT ~CallbackDebuggerNotificationGuard() {
+    Dispatch(CallbackDebuggerNotificationPhase::Post);
+  }
+
+ private:
+  MOZ_CAN_RUN_SCRIPT void Dispatch(CallbackDebuggerNotificationPhase aPhase) {
+    auto manager = DebuggerNotificationManager::ForDispatch(mDebuggeeGlobal);
+    if (MOZ_UNLIKELY(manager)) {
+      manager->Dispatch<CallbackDebuggerNotification>(mType, aPhase);
+    }
+  }
+
+  nsIGlobalObject* mDebuggeeGlobal;
+  DebuggerNotificationType mType;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_CallbackDebuggerNotification_h